truffle: src/cpu/sparc/vm/methodHandles

annotate src/cpu/sparc/vm/methodHandles_sparc.cpp @ 4979:18a5539bf19b

More diff vs hsx24 optimizations.

author	Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
date	Mon, 27 Feb 2012 21:43:51 +0100
parents	33df1aeaebbf
children	957c266d8bc5

rev	line source
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1 /*
4818 82e5a84b7436 7120450: complete information dumped by frame_describe bdelsart parents: 4807 diff changeset	2 * Copyright (c) 2008, 2012, Oracle and/or its affiliates. All rights reserved.
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	4 *
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	5 * This code is free software; you can redistribute it and/or modify it
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	6 * under the terms of the GNU General Public License version 2 only, as
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	7 * published by the Free Software Foundation.
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	8 *
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	9 * This code is distributed in the hope that it will be useful, but WITHOUT
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	12 * version 2 for more details (a copy is included in the LICENSE file that
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	13 * accompanied this code).
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	14 *
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	15 * You should have received a copy of the GNU General Public License version
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	16 * 2 along with this work; if not, write to the Free Software Foundation,
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	18 *
1552 c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories trims parents: 1507 diff changeset	19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories trims parents: 1507 diff changeset	20 * or visit www.oracle.com if you need additional information or have any
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories trims parents: 1507 diff changeset	21 * questions.
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	22 *
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	23 */
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	24
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1916 diff changeset	25 #include "precompiled.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1916 diff changeset	26 #include "interpreter/interpreter.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1916 diff changeset	27 #include "memory/allocation.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1916 diff changeset	28 #include "prims/methodHandles.hpp"
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	29
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	30 #define __ _masm->
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	31
1849 5beba6174298 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC twisti parents: 1846 diff changeset	32 #ifdef PRODUCT
5beba6174298 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC twisti parents: 1846 diff changeset	33 #define BLOCK_COMMENT(str) /* nothing */
5beba6174298 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC twisti parents: 1846 diff changeset	34 #else
5beba6174298 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC twisti parents: 1846 diff changeset	35 #define BLOCK_COMMENT(str) __ block_comment(str)
5beba6174298 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC twisti parents: 1846 diff changeset	36 #endif
5beba6174298 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC twisti parents: 1846 diff changeset	37
5beba6174298 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC twisti parents: 1846 diff changeset	38 #define BIND(label) bind(label); BLOCK_COMMENT(#label ":")
5beba6174298 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC twisti parents: 1846 diff changeset	39
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	40 address MethodHandleEntry::start_compiled_entry(MacroAssembler* _masm,
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	41 address interpreted_entry) {
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	42 // Just before the actual machine code entry point, allocate space
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	43 // for a MethodHandleEntry::Data record, so that we can manage everything
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	44 // from one base pointer.
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	45 __ align(wordSize);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	46 address target = __ pc() + sizeof(Data);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	47 while (__ pc() < target) {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	48 __ nop();
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	49 __ align(wordSize);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	50 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	51
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	52 MethodHandleEntry* me = (MethodHandleEntry*) __ pc();
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	53 me->set_end_address(__ pc()); // set a temporary end_address
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	54 me->set_from_interpreted_entry(interpreted_entry);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	55 me->set_type_checking_entry(NULL);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	56
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	57 return (address) me;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	58 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	59
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	60 MethodHandleEntry* MethodHandleEntry::finish_compiled_entry(MacroAssembler* _masm,
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	61 address start_addr) {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	62 MethodHandleEntry* me = (MethodHandleEntry*) start_addr;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	63 assert(me->end_address() == start_addr, "valid ME");
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	64
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	65 // Fill in the real end_address:
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	66 __ align(wordSize);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	67 me->set_end_address(__ pc());
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	68
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	69 return me;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	70 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	71
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	72 // stack walking support
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	73
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	74 frame MethodHandles::ricochet_frame_sender(const frame& fr, RegisterMap *map) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	75 //RicochetFrame* f = RicochetFrame::from_frame(fr);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	76 // Cf. is_interpreted_frame path of frame::sender
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	77 intptr_t* younger_sp = fr.sp();
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	78 intptr_t* sp = fr.sender_sp();
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	79 map->make_integer_regs_unsaved();
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	80 map->shift_window(sp, younger_sp);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	81 bool this_frame_adjusted_stack = true; // I5_savedSP is live in this RF
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	82 return frame(sp, younger_sp, this_frame_adjusted_stack);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	83 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	84
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	85 void MethodHandles::ricochet_frame_oops_do(const frame& fr, OopClosure* blk, const RegisterMap* reg_map) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	86 ResourceMark rm;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	87 RicochetFrame* f = RicochetFrame::from_frame(fr);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	88
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	89 // pick up the argument type descriptor:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	90 Thread* thread = Thread::current();
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	91 Handle cookie(thread, f->compute_saved_args_layout(true, true));
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	92
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	93 // process fixed part
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	94 blk->do_oop((oop*)f->saved_target_addr());
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	95 blk->do_oop((oop*)f->saved_args_layout_addr());
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	96
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	97 // process variable arguments:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	98 if (cookie.is_null()) return; // no arguments to describe
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	99
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	100 // the cookie is actually the invokeExact method for my target
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	101 // his argument signature is what I'm interested in
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	102 assert(cookie->is_method(), "");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	103 methodHandle invoker(thread, methodOop(cookie()));
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	104 assert(invoker->name() == vmSymbols::invokeExact_name(), "must be this kind of method");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	105 assert(!invoker->is_static(), "must have MH argument");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	106 int slot_count = invoker->size_of_parameters();
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	107 assert(slot_count >= 1, "must include 'this'");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	108 intptr_t* base = f->saved_args_base();
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	109 intptr_t* retval = NULL;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	110 if (f->has_return_value_slot())
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	111 retval = f->return_value_slot_addr();
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	112 int slot_num = slot_count - 1;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	113 intptr_t* loc = &base[slot_num];
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	114 //blk->do_oop((oop*) loc); // original target, which is irrelevant
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	115 int arg_num = 0;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	116 for (SignatureStream ss(invoker->signature()); !ss.is_done(); ss.next()) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	117 if (ss.at_return_type()) continue;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	118 BasicType ptype = ss.type();
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	119 if (ptype == T_ARRAY) ptype = T_OBJECT; // fold all refs to T_OBJECT
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	120 assert(ptype >= T_BOOLEAN && ptype <= T_OBJECT, "not array or void");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	121 slot_num -= type2size[ptype];
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	122 loc = &base[slot_num];
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	123 bool is_oop = (ptype == T_OBJECT && loc != retval);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	124 if (is_oop) blk->do_oop((oop*)loc);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	125 arg_num += 1;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	126 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	127 assert(slot_num == 0, "must have processed all the arguments");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	128 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	129
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	130 // Ricochet Frames
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	131 const Register MethodHandles::RicochetFrame::L1_continuation = L1;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	132 const Register MethodHandles::RicochetFrame::L2_saved_target = L2;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	133 const Register MethodHandles::RicochetFrame::L3_saved_args_layout = L3;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	134 const Register MethodHandles::RicochetFrame::L4_saved_args_base = L4; // cf. Gargs = G4
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	135 const Register MethodHandles::RicochetFrame::L5_conversion = L5;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	136 #ifdef ASSERT
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	137 const Register MethodHandles::RicochetFrame::L0_magic_number_1 = L0;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	138 #endif //ASSERT
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	139
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	140 oop MethodHandles::RicochetFrame::compute_saved_args_layout(bool read_cache, bool write_cache) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	141 if (read_cache) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	142 oop cookie = saved_args_layout();
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	143 if (cookie != NULL) return cookie;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	144 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	145 oop target = saved_target();
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	146 oop mtype = java_lang_invoke_MethodHandle::type(target);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	147 oop mtform = java_lang_invoke_MethodType::form(mtype);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	148 oop cookie = java_lang_invoke_MethodTypeForm::vmlayout(mtform);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	149 if (write_cache) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	150 (*saved_args_layout_addr()) = cookie;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	151 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	152 return cookie;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	153 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	154
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	155 void MethodHandles::RicochetFrame::generate_ricochet_blob(MacroAssembler* _masm,
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	156 // output params:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	157 int* bounce_offset,
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	158 int* exception_offset,
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	159 int* frame_size_in_words) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	160 (*frame_size_in_words) = RicochetFrame::frame_size_in_bytes() / wordSize;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	161
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	162 address start = __ pc();
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	163
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	164 #ifdef ASSERT
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	165 __ illtrap(0); __ illtrap(0); __ illtrap(0);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	166 // here's a hint of something special:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	167 __ set(MAGIC_NUMBER_1, G0);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	168 __ set(MAGIC_NUMBER_2, G0);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	169 #endif //ASSERT
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	170 __ illtrap(0); // not reached
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	171
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	172 // Return values are in registers.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	173 // L1_continuation contains a cleanup continuation we must return
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	174 // to.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	175
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	176 (*bounce_offset) = __ pc() - start;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	177 BLOCK_COMMENT("ricochet_blob.bounce");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	178
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	179 if (VerifyMethodHandles) RicochetFrame::verify_clean(_masm);
4824 5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	180 trace_method_handle(_masm, "return/ricochet_blob.bounce");
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	181
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	182 __ JMP(L1_continuation, 0);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	183 __ delayed()->nop();
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	184 __ illtrap(0);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	185
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	186 DEBUG_ONLY(__ set(MAGIC_NUMBER_2, G0));
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	187
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	188 (*exception_offset) = __ pc() - start;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	189 BLOCK_COMMENT("ricochet_blob.exception");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	190
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	191 // compare this to Interpreter::rethrow_exception_entry, which is parallel code
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	192 // for example, see TemplateInterpreterGenerator::generate_throw_exception
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	193 // Live registers in:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	194 // Oexception (O0): exception
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	195 // Oissuing_pc (O1): return address/pc that threw exception (ignored, always equal to bounce addr)
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	196 __ verify_oop(Oexception);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	197
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	198 // Take down the frame.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	199
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	200 // Cf. InterpreterMacroAssembler::remove_activation.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	201 leave_ricochet_frame(_masm, /recv_reg=/ noreg, I5_savedSP, I7);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	202
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	203 // We are done with this activation frame; find out where to go next.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	204 // The continuation point will be an exception handler, which expects
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	205 // the following registers set up:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	206 //
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	207 // Oexception: exception
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	208 // Oissuing_pc: the local call that threw exception
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	209 // Other On: garbage
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	210 // In/Ln: the contents of the caller's register window
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	211 //
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	212 // We do the required restore at the last possible moment, because we
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	213 // need to preserve some state across a runtime call.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	214 // (Remember that the caller activation is unknown--it might not be
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	215 // interpreted, so things like Lscratch are useless in the caller.)
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	216 __ mov(Oexception, Oexception ->after_save()); // get exception in I0 so it will be on O0 after restore
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	217 __ add(I7, frame::pc_return_offset, Oissuing_pc->after_save()); // likewise set I1 to a value local to the caller
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	218 __ call_VM_leaf(L7_thread_cache,
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	219 CAST_FROM_FN_PTR(address, SharedRuntime::exception_handler_for_return_address),
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	220 G2_thread, Oissuing_pc->after_save());
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	221
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	222 // The caller's SP was adjusted upon method entry to accomodate
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	223 // the callee's non-argument locals. Undo that adjustment.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	224 __ JMP(O0, 0); // return exception handler in caller
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	225 __ delayed()->restore(I5_savedSP, G0, SP);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	226
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	227 // (same old exception object is already in Oexception; see above)
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	228 // Note that an "issuing PC" is actually the next PC after the call
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	229 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	230
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	231 void MethodHandles::RicochetFrame::enter_ricochet_frame(MacroAssembler* _masm,
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	232 Register recv_reg,
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	233 Register argv_reg,
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	234 address return_handler) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	235 // does not include the __ save()
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	236 assert(argv_reg == Gargs, "");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	237 Address G3_mh_vmtarget( recv_reg, java_lang_invoke_MethodHandle::vmtarget_offset_in_bytes());
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	238 Address G3_amh_conversion(recv_reg, java_lang_invoke_AdapterMethodHandle::conversion_offset_in_bytes());
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	239
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	240 // Create the RicochetFrame.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	241 // Unlike on x86 we can store all required information in local
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	242 // registers.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	243 BLOCK_COMMENT("push RicochetFrame {");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	244 __ set(ExternalAddress(return_handler), L1_continuation);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	245 __ load_heap_oop(G3_mh_vmtarget, L2_saved_target);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	246 __ mov(G0, L3_saved_args_layout);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	247 __ mov(Gargs, L4_saved_args_base);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	248 __ lduw(G3_amh_conversion, L5_conversion); // 32-bit field
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	249 // I5, I6, I7 are already set up
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	250 DEBUG_ONLY(__ set((int32_t) MAGIC_NUMBER_1, L0_magic_number_1));
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	251 BLOCK_COMMENT("} RicochetFrame");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	252 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	253
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	254 void MethodHandles::RicochetFrame::leave_ricochet_frame(MacroAssembler* _masm,
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	255 Register recv_reg,
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	256 Register new_sp_reg,
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	257 Register sender_pc_reg) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	258 assert(new_sp_reg == I5_savedSP, "exact_sender_sp already in place");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	259 assert(sender_pc_reg == I7, "in a fixed place");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	260 // does not include the __ ret() & __ restore()
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	261 assert_different_registers(recv_reg, new_sp_reg, sender_pc_reg);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	262 // Take down the frame.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	263 // Cf. InterpreterMacroAssembler::remove_activation.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	264 BLOCK_COMMENT("end_ricochet_frame {");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	265 if (recv_reg->is_valid())
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	266 __ mov(L2_saved_target, recv_reg);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	267 BLOCK_COMMENT("} end_ricochet_frame");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	268 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	269
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	270 // Emit code to verify that FP is pointing at a valid ricochet frame.
4824 5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	271 #ifndef PRODUCT
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	272 enum {
3449 a9b8b43b115f 7052219: JSR 292: Crash in ~BufferBlob::MethodHandles adapters never parents: 3442 diff changeset	273 ARG_LIMIT = 255, SLOP = 45,
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	274 // use this parameter for checking for garbage stack movements:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	275 UNREASONABLE_STACK_MOVE = (ARG_LIMIT + SLOP)
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	276 // the slop defends against false alarms due to fencepost errors
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	277 };
4824 5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	278 #endif
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	279
4824 5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	280 #ifdef ASSERT
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	281 void MethodHandles::RicochetFrame::verify_clean(MacroAssembler* _masm) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	282 // The stack should look like this:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	283 // ... keep1 \| dest=42 \| keep2 \| magic \| handler \| magic \| recursive args \| [RF]
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	284 // Check various invariants.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	285
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	286 Register O7_temp = O7, O5_temp = O5;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	287
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	288 Label L_ok_1, L_ok_2, L_ok_3, L_ok_4;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	289 BLOCK_COMMENT("verify_clean {");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	290 // Magic numbers must check out:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	291 __ set((int32_t) MAGIC_NUMBER_1, O7_temp);
3839 3d42f82cd811 7063628: Use cbcond on T4 kvn parents: 3808 diff changeset	292 __ cmp_and_br_short(O7_temp, L0_magic_number_1, Assembler::equal, Assembler::pt, L_ok_1);
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	293 __ stop("damaged ricochet frame: MAGIC_NUMBER_1 not found");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	294
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	295 __ BIND(L_ok_1);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	296
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	297 // Arguments pointer must look reasonable:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	298 #ifdef _LP64
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	299 Register FP_temp = O5_temp;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	300 __ add(FP, STACK_BIAS, FP_temp);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	301 #else
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	302 Register FP_temp = FP;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	303 #endif
3839 3d42f82cd811 7063628: Use cbcond on T4 kvn parents: 3808 diff changeset	304 __ cmp_and_brx_short(L4_saved_args_base, FP_temp, Assembler::greaterEqualUnsigned, Assembler::pt, L_ok_2);
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	305 __ stop("damaged ricochet frame: L4 < FP");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	306
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	307 __ BIND(L_ok_2);
3451 38fa55e5e792 7055355: JSR 292: crash while throwing WrongMethodTypeException never parents: 3449 diff changeset	308 // Disable until we decide on it's fate
38fa55e5e792 7055355: JSR 292: crash while throwing WrongMethodTypeException never parents: 3449 diff changeset	309 // __ sub(L4_saved_args_base, UNREASONABLE_STACK_MOVE * Interpreter::stackElementSize, O7_temp);
38fa55e5e792 7055355: JSR 292: crash while throwing WrongMethodTypeException never parents: 3449 diff changeset	310 // __ cmp(O7_temp, FP_temp);
38fa55e5e792 7055355: JSR 292: crash while throwing WrongMethodTypeException never parents: 3449 diff changeset	311 // __ br(Assembler::lessEqualUnsigned, false, Assembler::pt, L_ok_3);
38fa55e5e792 7055355: JSR 292: crash while throwing WrongMethodTypeException never parents: 3449 diff changeset	312 // __ delayed()->nop();
38fa55e5e792 7055355: JSR 292: crash while throwing WrongMethodTypeException never parents: 3449 diff changeset	313 // __ stop("damaged ricochet frame: (L4 - UNREASONABLE_STACK_MOVE) > FP");
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	314
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	315 __ BIND(L_ok_3);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	316 extract_conversion_dest_type(_masm, L5_conversion, O7_temp);
3839 3d42f82cd811 7063628: Use cbcond on T4 kvn parents: 3808 diff changeset	317 __ cmp_and_br_short(O7_temp, T_VOID, Assembler::equal, Assembler::pt, L_ok_4);
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	318 extract_conversion_vminfo(_masm, L5_conversion, O5_temp);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	319 __ ld_ptr(L4_saved_args_base, __ argument_offset(O5_temp, O5_temp), O7_temp);
4114 6729bbc1fcd6 7003454: order constants in constant table by number of references in code twisti parents: 4059 diff changeset	320 assert(Assembler::is_simm13(RETURN_VALUE_PLACEHOLDER), "must be simm13");
3839 3d42f82cd811 7063628: Use cbcond on T4 kvn parents: 3808 diff changeset	321 __ cmp_and_brx_short(O7_temp, (int32_t) RETURN_VALUE_PLACEHOLDER, Assembler::equal, Assembler::pt, L_ok_4);
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	322 __ stop("damaged ricochet frame: RETURN_VALUE_PLACEHOLDER not found");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	323 __ BIND(L_ok_4);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	324 BLOCK_COMMENT("} verify_clean");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	325 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	326 #endif //ASSERT
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	327
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	328 void MethodHandles::load_klass_from_Class(MacroAssembler* _masm, Register klass_reg, Register temp_reg, Register temp2_reg) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	329 if (VerifyMethodHandles)
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	330 verify_klass(_masm, klass_reg, SystemDictionaryHandles::Class_klass(), temp_reg, temp2_reg,
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	331 "AMH argument is a Class");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	332 __ load_heap_oop(Address(klass_reg, java_lang_Class::klass_offset_in_bytes()), klass_reg);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	333 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	334
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	335 void MethodHandles::load_conversion_vminfo(MacroAssembler* _masm, Address conversion_field_addr, Register reg) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	336 assert(CONV_VMINFO_SHIFT == 0, "preshifted");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	337 assert(CONV_VMINFO_MASK == right_n_bits(BitsPerByte), "else change type of following load");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	338 __ ldub(conversion_field_addr.plus_disp(BytesPerInt - 1), reg);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	339 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	340
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	341 void MethodHandles::extract_conversion_vminfo(MacroAssembler* _masm, Register conversion_field_reg, Register reg) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	342 assert(CONV_VMINFO_SHIFT == 0, "preshifted");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	343 __ and3(conversion_field_reg, CONV_VMINFO_MASK, reg);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	344 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	345
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	346 void MethodHandles::extract_conversion_dest_type(MacroAssembler* _masm, Register conversion_field_reg, Register reg) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	347 __ srl(conversion_field_reg, CONV_DEST_TYPE_SHIFT, reg);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	348 __ and3(reg, 0x0F, reg);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	349 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	350
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	351 void MethodHandles::load_stack_move(MacroAssembler* _masm,
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	352 Address G3_amh_conversion,
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	353 Register stack_move_reg) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	354 BLOCK_COMMENT("load_stack_move {");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	355 __ ldsw(G3_amh_conversion, stack_move_reg);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	356 __ sra(stack_move_reg, CONV_STACK_MOVE_SHIFT, stack_move_reg);
4059 44ce519bc3d1 7104960: JSR 292: +VerifyMethodHandles in product JVM can overflow buffer never parents: 3905 diff changeset	357 #ifdef ASSERT
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	358 if (VerifyMethodHandles) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	359 Label L_ok, L_bad;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	360 int32_t stack_move_limit = 0x0800; // extra-large
3839 3d42f82cd811 7063628: Use cbcond on T4 kvn parents: 3808 diff changeset	361 __ cmp_and_br_short(stack_move_reg, stack_move_limit, Assembler::greaterEqual, Assembler::pn, L_bad);
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	362 __ cmp(stack_move_reg, -stack_move_limit);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	363 __ br(Assembler::greater, false, Assembler::pt, L_ok);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	364 __ delayed()->nop();
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	365 __ BIND(L_bad);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	366 __ stop("load_stack_move of garbage value");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	367 __ BIND(L_ok);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	368 }
4059 44ce519bc3d1 7104960: JSR 292: +VerifyMethodHandles in product JVM can overflow buffer never parents: 3905 diff changeset	369 #endif
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	370 BLOCK_COMMENT("} load_stack_move");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	371 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	372
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	373 #ifdef ASSERT
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	374 void MethodHandles::RicochetFrame::verify() const {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	375 assert(magic_number_1() == MAGIC_NUMBER_1, "");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	376 if (!Universe::heap()->is_gc_active()) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	377 if (saved_args_layout() != NULL) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	378 assert(saved_args_layout()->is_method(), "must be valid oop");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	379 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	380 if (saved_target() != NULL) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	381 assert(java_lang_invoke_MethodHandle::is_instance(saved_target()), "checking frame value");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	382 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	383 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	384 int conv_op = adapter_conversion_op(conversion());
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	385 assert(conv_op == java_lang_invoke_AdapterMethodHandle::OP_COLLECT_ARGS \|\|
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	386 conv_op == java_lang_invoke_AdapterMethodHandle::OP_FOLD_ARGS \|\|
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	387 conv_op == java_lang_invoke_AdapterMethodHandle::OP_PRIM_TO_REF,
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	388 "must be a sane conversion");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	389 if (has_return_value_slot()) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	390 assert(*return_value_slot_addr() == RETURN_VALUE_PLACEHOLDER, "");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	391 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	392 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	393
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	394 void MethodHandles::verify_argslot(MacroAssembler* _masm, Register argslot_reg, Register temp_reg, const char* error_message) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	395 // Verify that argslot lies within (Gargs, FP].
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	396 Label L_ok, L_bad;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	397 BLOCK_COMMENT("verify_argslot {");
3839 3d42f82cd811 7063628: Use cbcond on T4 kvn parents: 3808 diff changeset	398 __ cmp_and_brx_short(Gargs, argslot_reg, Assembler::greaterUnsigned, Assembler::pn, L_bad);
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	399 __ add(FP, STACK_BIAS, temp_reg); // STACK_BIAS is zero on !_LP64
3839 3d42f82cd811 7063628: Use cbcond on T4 kvn parents: 3808 diff changeset	400 __ cmp_and_brx_short(argslot_reg, temp_reg, Assembler::lessEqualUnsigned, Assembler::pt, L_ok);
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	401 __ BIND(L_bad);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	402 __ stop(error_message);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	403 __ BIND(L_ok);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	404 BLOCK_COMMENT("} verify_argslot");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	405 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	406
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	407 void MethodHandles::verify_argslots(MacroAssembler* _masm,
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	408 RegisterOrConstant arg_slots,
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	409 Register arg_slot_base_reg,
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	410 Register temp_reg,
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	411 Register temp2_reg,
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	412 bool negate_argslots,
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	413 const char* error_message) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	414 // Verify that [argslot..argslot+size) lies within (Gargs, FP).
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	415 Label L_ok, L_bad;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	416 BLOCK_COMMENT("verify_argslots {");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	417 if (negate_argslots) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	418 if (arg_slots.is_constant()) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	419 arg_slots = -1 * arg_slots.as_constant();
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	420 } else {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	421 __ neg(arg_slots.as_register(), temp_reg);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	422 arg_slots = temp_reg;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	423 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	424 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	425 __ add(arg_slot_base_reg, __ argument_offset(arg_slots, temp_reg), temp_reg);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	426 __ add(FP, STACK_BIAS, temp2_reg); // STACK_BIAS is zero on !_LP64
3839 3d42f82cd811 7063628: Use cbcond on T4 kvn parents: 3808 diff changeset	427 __ cmp_and_brx_short(temp_reg, temp2_reg, Assembler::greaterUnsigned, Assembler::pn, L_bad);
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	428 // Gargs points to the first word so adjust by BytesPerWord
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	429 __ add(arg_slot_base_reg, BytesPerWord, temp_reg);
3839 3d42f82cd811 7063628: Use cbcond on T4 kvn parents: 3808 diff changeset	430 __ cmp_and_brx_short(Gargs, temp_reg, Assembler::lessEqualUnsigned, Assembler::pt, L_ok);
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	431 __ BIND(L_bad);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	432 __ stop(error_message);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	433 __ BIND(L_ok);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	434 BLOCK_COMMENT("} verify_argslots");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	435 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	436
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	437 // Make sure that arg_slots has the same sign as the given direction.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	438 // If (and only if) arg_slots is a assembly-time constant, also allow it to be zero.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	439 void MethodHandles::verify_stack_move(MacroAssembler* _masm,
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	440 RegisterOrConstant arg_slots, int direction) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	441 enum { UNREASONABLE_STACK_MOVE = 256 * 4 }; // limit of 255 arguments
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	442 bool allow_zero = arg_slots.is_constant();
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	443 if (direction == 0) { direction = +1; allow_zero = true; }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	444 assert(stack_move_unit() == -1, "else add extra checks here");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	445 if (arg_slots.is_register()) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	446 Label L_ok, L_bad;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	447 BLOCK_COMMENT("verify_stack_move {");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	448 // __ btst(-stack_move_unit() - 1, arg_slots.as_register()); // no need
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	449 // __ br(Assembler::notZero, false, Assembler::pn, L_bad);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	450 // __ delayed()->nop();
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	451 __ cmp(arg_slots.as_register(), (int32_t) NULL_WORD);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	452 if (direction > 0) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	453 __ br(allow_zero ? Assembler::less : Assembler::lessEqual, false, Assembler::pn, L_bad);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	454 __ delayed()->nop();
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	455 __ cmp(arg_slots.as_register(), (int32_t) UNREASONABLE_STACK_MOVE);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	456 __ br(Assembler::less, false, Assembler::pn, L_ok);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	457 __ delayed()->nop();
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	458 } else {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	459 __ br(allow_zero ? Assembler::greater : Assembler::greaterEqual, false, Assembler::pn, L_bad);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	460 __ delayed()->nop();
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	461 __ cmp(arg_slots.as_register(), (int32_t) -UNREASONABLE_STACK_MOVE);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	462 __ br(Assembler::greater, false, Assembler::pn, L_ok);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	463 __ delayed()->nop();
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	464 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	465 __ BIND(L_bad);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	466 if (direction > 0)
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	467 __ stop("assert arg_slots > 0");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	468 else
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	469 __ stop("assert arg_slots < 0");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	470 __ BIND(L_ok);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	471 BLOCK_COMMENT("} verify_stack_move");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	472 } else {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	473 intptr_t size = arg_slots.as_constant();
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	474 if (direction < 0) size = -size;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	475 assert(size >= 0, "correct direction of constant move");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	476 assert(size < UNREASONABLE_STACK_MOVE, "reasonable size of constant move");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	477 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	478 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	479
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	480 void MethodHandles::verify_klass(MacroAssembler* _masm,
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	481 Register obj_reg, KlassHandle klass,
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	482 Register temp_reg, Register temp2_reg,
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	483 const char* error_message) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	484 oop* klass_addr = klass.raw_value();
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	485 assert(klass_addr >= SystemDictionaryHandles::Object_klass().raw_value() &&
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	486 klass_addr <= SystemDictionaryHandles::Long_klass().raw_value(),
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	487 "must be one of the SystemDictionaryHandles");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	488 Label L_ok, L_bad;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	489 BLOCK_COMMENT("verify_klass {");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	490 __ verify_oop(obj_reg);
3839 3d42f82cd811 7063628: Use cbcond on T4 kvn parents: 3808 diff changeset	491 __ br_null_short(obj_reg, Assembler::pn, L_bad);
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	492 __ load_klass(obj_reg, temp_reg);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	493 __ set(ExternalAddress(klass_addr), temp2_reg);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	494 __ ld_ptr(Address(temp2_reg, 0), temp2_reg);
3839 3d42f82cd811 7063628: Use cbcond on T4 kvn parents: 3808 diff changeset	495 __ cmp_and_brx_short(temp_reg, temp2_reg, Assembler::equal, Assembler::pt, L_ok);
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	496 intptr_t super_check_offset = klass->super_check_offset();
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	497 __ ld_ptr(Address(temp_reg, super_check_offset), temp_reg);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	498 __ set(ExternalAddress(klass_addr), temp2_reg);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	499 __ ld_ptr(Address(temp2_reg, 0), temp2_reg);
3839 3d42f82cd811 7063628: Use cbcond on T4 kvn parents: 3808 diff changeset	500 __ cmp_and_brx_short(temp_reg, temp2_reg, Assembler::equal, Assembler::pt, L_ok);
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	501 __ BIND(L_bad);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	502 __ stop(error_message);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	503 __ BIND(L_ok);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	504 BLOCK_COMMENT("} verify_klass");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	505 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	506 #endif // ASSERT
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	507
3808 341a57af9b0a 6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods never parents: 3451 diff changeset	508
341a57af9b0a 6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods never parents: 3451 diff changeset	509 void MethodHandles::jump_from_method_handle(MacroAssembler* _masm, Register method, Register target, Register temp) {
341a57af9b0a 6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods never parents: 3451 diff changeset	510 assert(method == G5_method, "interpreter calling convention");
341a57af9b0a 6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods never parents: 3451 diff changeset	511 __ verify_oop(method);
341a57af9b0a 6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods never parents: 3451 diff changeset	512 __ ld_ptr(G5_method, in_bytes(methodOopDesc::from_interpreted_offset()), target);
341a57af9b0a 6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods never parents: 3451 diff changeset	513 if (JvmtiExport::can_post_interpreter_events()) {
341a57af9b0a 6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods never parents: 3451 diff changeset	514 // JVMTI events, such as single-stepping, are implemented partly by avoiding running
341a57af9b0a 6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods never parents: 3451 diff changeset	515 // compiled code in threads for which the event is enabled. Check here for
341a57af9b0a 6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods never parents: 3451 diff changeset	516 // interp_only_mode if these events CAN be enabled.
341a57af9b0a 6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods never parents: 3451 diff changeset	517 __ verify_thread();
341a57af9b0a 6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods never parents: 3451 diff changeset	518 Label skip_compiled_code;
341a57af9b0a 6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods never parents: 3451 diff changeset	519
341a57af9b0a 6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods never parents: 3451 diff changeset	520 const Address interp_only(G2_thread, JavaThread::interp_only_mode_offset());
341a57af9b0a 6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods never parents: 3451 diff changeset	521 __ ld(interp_only, temp);
341a57af9b0a 6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods never parents: 3451 diff changeset	522 __ tst(temp);
341a57af9b0a 6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods never parents: 3451 diff changeset	523 __ br(Assembler::notZero, true, Assembler::pn, skip_compiled_code);
341a57af9b0a 6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods never parents: 3451 diff changeset	524 __ delayed()->ld_ptr(G5_method, in_bytes(methodOopDesc::interpreter_entry_offset()), target);
341a57af9b0a 6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods never parents: 3451 diff changeset	525 __ bind(skip_compiled_code);
341a57af9b0a 6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods never parents: 3451 diff changeset	526 }
341a57af9b0a 6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods never parents: 3451 diff changeset	527 __ jmp(target, 0);
341a57af9b0a 6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods never parents: 3451 diff changeset	528 __ delayed()->nop();
341a57af9b0a 6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods never parents: 3451 diff changeset	529 }
341a57af9b0a 6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods never parents: 3451 diff changeset	530
341a57af9b0a 6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods never parents: 3451 diff changeset	531
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	532 // Code generation
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	533 address MethodHandles::generate_method_handle_interpreter_entry(MacroAssembler* _masm) {
1916 e62345fd6a46 6997459: JSR 292 after 6994093 getting: on return to interpreted call, restored SP is corrupted twisti parents: 1911 diff changeset	534 // I5_savedSP/O5_savedSP: sender SP (must preserve)
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	535 // G4 (Gargs): incoming argument list (must preserve)
1916 e62345fd6a46 6997459: JSR 292 after 6994093 getting: on return to interpreted call, restored SP is corrupted twisti parents: 1911 diff changeset	536 // G5_method: invoke methodOop
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	537 // G3_method_handle: receiver method handle (must load from sp[MethodTypeForm.vmslots])
1916 e62345fd6a46 6997459: JSR 292 after 6994093 getting: on return to interpreted call, restored SP is corrupted twisti parents: 1911 diff changeset	538 // O0, O1, O2, O3, O4: garbage temps, blown away
e62345fd6a46 6997459: JSR 292 after 6994093 getting: on return to interpreted call, restored SP is corrupted twisti parents: 1911 diff changeset	539 Register O0_mtype = O0;
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	540 Register O1_scratch = O1;
1911 fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC jrose parents: 1901 diff changeset	541 Register O2_scratch = O2;
fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC jrose parents: 1901 diff changeset	542 Register O3_scratch = O3;
1916 e62345fd6a46 6997459: JSR 292 after 6994093 getting: on return to interpreted call, restored SP is corrupted twisti parents: 1911 diff changeset	543 Register O4_argslot = O4;
1911 fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC jrose parents: 1901 diff changeset	544 Register O4_argbase = O4;
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	545
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	546 // emit WrongMethodType path first, to enable back-branch from main path
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	547 Label wrong_method_type;
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	548 __ bind(wrong_method_type);
1911 fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC jrose parents: 1901 diff changeset	549 Label invoke_generic_slow_path;
fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC jrose parents: 1901 diff changeset	550 assert(methodOopDesc::intrinsic_id_size_in_bytes() == sizeof(u1), "");;
fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC jrose parents: 1901 diff changeset	551 __ ldub(Address(G5_method, methodOopDesc::intrinsic_id_offset_in_bytes()), O1_scratch);
fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC jrose parents: 1901 diff changeset	552 __ cmp(O1_scratch, (int) vmIntrinsics::_invokeExact);
fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC jrose parents: 1901 diff changeset	553 __ brx(Assembler::notEqual, false, Assembler::pt, invoke_generic_slow_path);
fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC jrose parents: 1901 diff changeset	554 __ delayed()->nop();
1916 e62345fd6a46 6997459: JSR 292 after 6994093 getting: on return to interpreted call, restored SP is corrupted twisti parents: 1911 diff changeset	555 __ mov(O0_mtype, G5_method_type); // required by throw_WrongMethodType
3451 38fa55e5e792 7055355: JSR 292: crash while throwing WrongMethodTypeException never parents: 3449 diff changeset	556 __ mov(G3_method_handle, G3_method_handle); // already in this register
38fa55e5e792 7055355: JSR 292: crash while throwing WrongMethodTypeException never parents: 3449 diff changeset	557 // O0 will be filled in with JavaThread in stub
38fa55e5e792 7055355: JSR 292: crash while throwing WrongMethodTypeException never parents: 3449 diff changeset	558 __ jump_to(AddressLiteral(StubRoutines::throw_WrongMethodTypeException_entry()), O3_scratch);
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	559 __ delayed()->nop();
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	560
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	561 // here's where control starts out:
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	562 __ align(CodeEntryAlignment);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	563 address entry_point = __ pc();
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	564
1911 fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC jrose parents: 1901 diff changeset	565 // fetch the MethodType from the method handle
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	566 // FIXME: Interpreter should transmit pre-popped stack pointer, to locate base of arg list.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	567 // This would simplify several touchy bits of code.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	568 // See 6984712: JSR 292 method handle calls need a clean argument base pointer
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	569 {
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	570 Register tem = G5_method;
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	571 for (jint* pchase = methodOopDesc::method_type_offsets_chain(); (*pchase) != -1; pchase++) {
1916 e62345fd6a46 6997459: JSR 292 after 6994093 getting: on return to interpreted call, restored SP is corrupted twisti parents: 1911 diff changeset	572 __ ld_ptr(Address(tem, *pchase), O0_mtype);
e62345fd6a46 6997459: JSR 292 after 6994093 getting: on return to interpreted call, restored SP is corrupted twisti parents: 1911 diff changeset	573 tem = O0_mtype; // in case there is another indirection
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	574 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	575 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	576
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	577 // given the MethodType, find out where the MH argument is buried
2357 8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2321 diff changeset	578 __ load_heap_oop(Address(O0_mtype, __ delayed_value(java_lang_invoke_MethodType::form_offset_in_bytes, O1_scratch)), O4_argslot);
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2321 diff changeset	579 __ ldsw( Address(O4_argslot, __ delayed_value(java_lang_invoke_MethodTypeForm::vmslots_offset_in_bytes, O1_scratch)), O4_argslot);
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	580 __ add(__ argument_address(O4_argslot, O4_argslot, 1), O4_argbase);
1911 fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC jrose parents: 1901 diff changeset	581 // Note: argument_address uses its input as a scratch register!
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	582 Address mh_receiver_slot_addr(O4_argbase, -Interpreter::stackElementSize);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	583 __ ld_ptr(mh_receiver_slot_addr, G3_method_handle);
1911 fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC jrose parents: 1901 diff changeset	584
fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC jrose parents: 1901 diff changeset	585 trace_method_handle(_masm, "invokeExact");
fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC jrose parents: 1901 diff changeset	586
1916 e62345fd6a46 6997459: JSR 292 after 6994093 getting: on return to interpreted call, restored SP is corrupted twisti parents: 1911 diff changeset	587 __ check_method_handle_type(O0_mtype, G3_method_handle, O1_scratch, wrong_method_type);
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	588
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	589 // Nobody uses the MH receiver slot after this. Make sure.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	590 DEBUG_ONLY(__ set((int32_t) 0x999999, O1_scratch); __ st_ptr(O1_scratch, mh_receiver_slot_addr));
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	591
1911 fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC jrose parents: 1901 diff changeset	592 __ jump_to_method_handle_entry(G3_method_handle, O1_scratch);
fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC jrose parents: 1901 diff changeset	593
fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC jrose parents: 1901 diff changeset	594 // for invokeGeneric (only), apply argument and result conversions on the fly
fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC jrose parents: 1901 diff changeset	595 __ bind(invoke_generic_slow_path);
fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC jrose parents: 1901 diff changeset	596 #ifdef ASSERT
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	597 if (VerifyMethodHandles) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	598 Label L;
1911 fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC jrose parents: 1901 diff changeset	599 __ ldub(Address(G5_method, methodOopDesc::intrinsic_id_offset_in_bytes()), O1_scratch);
fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC jrose parents: 1901 diff changeset	600 __ cmp(O1_scratch, (int) vmIntrinsics::_invokeGeneric);
fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC jrose parents: 1901 diff changeset	601 __ brx(Assembler::equal, false, Assembler::pt, L);
fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC jrose parents: 1901 diff changeset	602 __ delayed()->nop();
fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC jrose parents: 1901 diff changeset	603 __ stop("bad methodOop::intrinsic_id");
fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC jrose parents: 1901 diff changeset	604 __ bind(L);
fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC jrose parents: 1901 diff changeset	605 }
fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC jrose parents: 1901 diff changeset	606 #endif //ASSERT
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	607
1911 fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC jrose parents: 1901 diff changeset	608 // make room on the stack for another pointer:
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	609 insert_arg_slots(_masm, 2 * stack_move_unit(), O4_argbase, O1_scratch, O2_scratch, O3_scratch);
1911 fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC jrose parents: 1901 diff changeset	610 // load up an adapter from the calling type (Java weaves this)
fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC jrose parents: 1901 diff changeset	611 Register O2_form = O2_scratch;
fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC jrose parents: 1901 diff changeset	612 Register O3_adapter = O3_scratch;
2357 8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2321 diff changeset	613 __ load_heap_oop(Address(O0_mtype, __ delayed_value(java_lang_invoke_MethodType::form_offset_in_bytes, O1_scratch)), O2_form);
3371 fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW twisti parents: 3342 diff changeset	614 __ load_heap_oop(Address(O2_form, __ delayed_value(java_lang_invoke_MethodTypeForm::genericInvoker_offset_in_bytes, O1_scratch)), O3_adapter);
fabcf26ee72f 6998541: JSR 292 implement missing return-type conversion for OP_RETYPE_RAW twisti parents: 3342 diff changeset	615 __ verify_oop(O3_adapter);
1911 fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC jrose parents: 1901 diff changeset	616 __ st_ptr(O3_adapter, Address(O4_argbase, 1 * Interpreter::stackElementSize));
fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC jrose parents: 1901 diff changeset	617 // As a trusted first argument, pass the type being called, so the adapter knows
fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC jrose parents: 1901 diff changeset	618 // the actual types of the arguments and return values.
fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC jrose parents: 1901 diff changeset	619 // (Generic invokers are shared among form-families of method-type.)
1916 e62345fd6a46 6997459: JSR 292 after 6994093 getting: on return to interpreted call, restored SP is corrupted twisti parents: 1911 diff changeset	620 __ st_ptr(O0_mtype, Address(O4_argbase, 0 * Interpreter::stackElementSize));
1911 fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC jrose parents: 1901 diff changeset	621 // FIXME: assert that O3_adapter is of the right method-type.
fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC jrose parents: 1901 diff changeset	622 __ mov(O3_adapter, G3_method_handle);
fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC jrose parents: 1901 diff changeset	623 trace_method_handle(_masm, "invokeGeneric");
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	624 __ jump_to_method_handle_entry(G3_method_handle, O1_scratch);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	625
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	626 return entry_point;
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	627 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	628
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	629 // Workaround for C++ overloading nastiness on '0' for RegisterOrConstant.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	630 static RegisterOrConstant constant(int value) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	631 return RegisterOrConstant(value);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	632 }
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	633
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	634 static void load_vmargslot(MacroAssembler* _masm, Address vmargslot_addr, Register result) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	635 __ ldsw(vmargslot_addr, result);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	636 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	637
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	638 static RegisterOrConstant adjust_SP_and_Gargs_down_by_slots(MacroAssembler* _masm,
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	639 RegisterOrConstant arg_slots,
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	640 Register temp_reg, Register temp2_reg) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	641 // Keep the stack pointer 2*wordSize aligned.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	642 const int TwoWordAlignmentMask = right_n_bits(LogBytesPerWord + 1);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	643 if (arg_slots.is_constant()) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	644 const int offset = arg_slots.as_constant() << LogBytesPerWord;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	645 const int masked_offset = round_to(offset, 2 * BytesPerWord);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	646 const int masked_offset2 = (offset + 1*BytesPerWord) & ~TwoWordAlignmentMask;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	647 assert(masked_offset == masked_offset2, "must agree");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	648 __ sub(Gargs, offset, Gargs);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	649 __ sub(SP, masked_offset, SP );
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	650 return offset;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	651 } else {
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	652 #ifdef ASSERT
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	653 {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	654 Label L_ok;
3839 3d42f82cd811 7063628: Use cbcond on T4 kvn parents: 3808 diff changeset	655 __ cmp_and_br_short(arg_slots.as_register(), 0, Assembler::greaterEqual, Assembler::pt, L_ok);
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	656 __ stop("negative arg_slots");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	657 __ bind(L_ok);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	658 }
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	659 #endif
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	660 __ sll_ptr(arg_slots.as_register(), LogBytesPerWord, temp_reg);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	661 __ add( temp_reg, 1*BytesPerWord, temp2_reg);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	662 __ andn(temp2_reg, TwoWordAlignmentMask, temp2_reg);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	663 __ sub(Gargs, temp_reg, Gargs);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	664 __ sub(SP, temp2_reg, SP );
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	665 return temp_reg;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	666 }
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	667 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	668
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	669 static RegisterOrConstant adjust_SP_and_Gargs_up_by_slots(MacroAssembler* _masm,
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	670 RegisterOrConstant arg_slots,
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	671 Register temp_reg, Register temp2_reg) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	672 // Keep the stack pointer 2*wordSize aligned.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	673 const int TwoWordAlignmentMask = right_n_bits(LogBytesPerWord + 1);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	674 if (arg_slots.is_constant()) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	675 const int offset = arg_slots.as_constant() << LogBytesPerWord;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	676 const int masked_offset = offset & ~TwoWordAlignmentMask;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	677 __ add(Gargs, offset, Gargs);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	678 __ add(SP, masked_offset, SP );
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	679 return offset;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	680 } else {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	681 __ sll_ptr(arg_slots.as_register(), LogBytesPerWord, temp_reg);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	682 __ andn(temp_reg, TwoWordAlignmentMask, temp2_reg);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	683 __ add(Gargs, temp_reg, Gargs);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	684 __ add(SP, temp2_reg, SP );
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	685 return temp_reg;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	686 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	687 }
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	688
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	689 // Helper to insert argument slots into the stack.
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	690 // arg_slots must be a multiple of stack_move_unit() and < 0
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	691 // argslot_reg is decremented to point to the new (shifted) location of the argslot
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	692 // But, temp_reg ends up holding the original value of argslot_reg.
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	693 void MethodHandles::insert_arg_slots(MacroAssembler* _masm,
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	694 RegisterOrConstant arg_slots,
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	695 Register argslot_reg,
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	696 Register temp_reg, Register temp2_reg, Register temp3_reg) {
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	697 // allow constant zero
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	698 if (arg_slots.is_constant() && arg_slots.as_constant() == 0)
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	699 return;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	700
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	701 assert_different_registers(argslot_reg, temp_reg, temp2_reg, temp3_reg,
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	702 (!arg_slots.is_register() ? Gargs : arg_slots.as_register()));
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	703
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	704 BLOCK_COMMENT("insert_arg_slots {");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	705 if (VerifyMethodHandles)
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	706 verify_argslot(_masm, argslot_reg, temp_reg, "insertion point must fall within current frame");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	707 if (VerifyMethodHandles)
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	708 verify_stack_move(_masm, arg_slots, -1);
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	709
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	710 // Make space on the stack for the inserted argument(s).
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	711 // Then pull down everything shallower than argslot_reg.
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	712 // The stacked return address gets pulled down with everything else.
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	713 // That is, copy [sp, argslot) downward by -size words. In pseudo-code:
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	714 // sp -= size;
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	715 // for (temp = sp + size; temp < argslot; temp++)
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	716 // temp[-size] = temp[0]
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	717 // argslot -= size;
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	718
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	719 // offset is temp3_reg in case of arg_slots being a register.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	720 RegisterOrConstant offset = adjust_SP_and_Gargs_up_by_slots(_masm, arg_slots, temp3_reg, temp_reg);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	721 __ sub(Gargs, offset, temp_reg); // source pointer for copy
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	722
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	723 {
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	724 Label loop;
1849 5beba6174298 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC twisti parents: 1846 diff changeset	725 __ BIND(loop);
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	726 // pull one word down each time through the loop
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	727 __ ld_ptr( Address(temp_reg, 0 ), temp2_reg);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	728 __ st_ptr(temp2_reg, Address(temp_reg, offset) );
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	729 __ add(temp_reg, wordSize, temp_reg);
3839 3d42f82cd811 7063628: Use cbcond on T4 kvn parents: 3808 diff changeset	730 __ cmp_and_brx_short(temp_reg, argslot_reg, Assembler::lessUnsigned, Assembler::pt, loop);
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	731 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	732
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	733 // Now move the argslot down, to point to the opened-up space.
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	734 __ add(argslot_reg, offset, argslot_reg);
1849 5beba6174298 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC twisti parents: 1846 diff changeset	735 BLOCK_COMMENT("} insert_arg_slots");
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	736 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	737
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	738
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	739 // Helper to remove argument slots from the stack.
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	740 // arg_slots must be a multiple of stack_move_unit() and > 0
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	741 void MethodHandles::remove_arg_slots(MacroAssembler* _masm,
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	742 RegisterOrConstant arg_slots,
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	743 Register argslot_reg,
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	744 Register temp_reg, Register temp2_reg, Register temp3_reg) {
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	745 // allow constant zero
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	746 if (arg_slots.is_constant() && arg_slots.as_constant() == 0)
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	747 return;
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	748 assert_different_registers(argslot_reg, temp_reg, temp2_reg, temp3_reg,
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	749 (!arg_slots.is_register() ? Gargs : arg_slots.as_register()));
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	750
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	751 BLOCK_COMMENT("remove_arg_slots {");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	752 if (VerifyMethodHandles)
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	753 verify_argslots(_masm, arg_slots, argslot_reg, temp_reg, temp2_reg, false,
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	754 "deleted argument(s) must fall within current frame");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	755 if (VerifyMethodHandles)
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	756 verify_stack_move(_masm, arg_slots, +1);
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	757
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	758 // Pull up everything shallower than argslot.
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	759 // Then remove the excess space on the stack.
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	760 // The stacked return address gets pulled up with everything else.
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	761 // That is, copy [sp, argslot) upward by size words. In pseudo-code:
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	762 // for (temp = argslot-1; temp >= sp; --temp)
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	763 // temp[size] = temp[0]
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	764 // argslot += size;
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	765 // sp += size;
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	766
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	767 RegisterOrConstant offset = __ regcon_sll_ptr(arg_slots, LogBytesPerWord, temp3_reg);
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	768 __ sub(argslot_reg, wordSize, temp_reg); // source pointer for copy
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	769
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	770 {
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	771 Label L_loop;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	772 __ BIND(L_loop);
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	773 // pull one word up each time through the loop
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	774 __ ld_ptr( Address(temp_reg, 0 ), temp2_reg);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	775 __ st_ptr(temp2_reg, Address(temp_reg, offset) );
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	776 __ sub(temp_reg, wordSize, temp_reg);
3839 3d42f82cd811 7063628: Use cbcond on T4 kvn parents: 3808 diff changeset	777 __ cmp_and_brx_short(temp_reg, Gargs, Assembler::greaterEqualUnsigned, Assembler::pt, L_loop);
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	778 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	779
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	780 // And adjust the argslot address to point at the deletion point.
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	781 __ add(argslot_reg, offset, argslot_reg);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	782
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	783 // We don't need the offset at this point anymore, just adjust SP and Gargs.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	784 (void) adjust_SP_and_Gargs_up_by_slots(_masm, arg_slots, temp3_reg, temp_reg);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	785
1849 5beba6174298 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC twisti parents: 1846 diff changeset	786 BLOCK_COMMENT("} remove_arg_slots");
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	787 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	788
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	789 // Helper to copy argument slots to the top of the stack.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	790 // The sequence starts with argslot_reg and is counted by slot_count
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	791 // slot_count must be a multiple of stack_move_unit() and >= 0
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	792 // This function blows the temps but does not change argslot_reg.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	793 void MethodHandles::push_arg_slots(MacroAssembler* _masm,
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	794 Register argslot_reg,
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	795 RegisterOrConstant slot_count,
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	796 Register temp_reg, Register temp2_reg) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	797 // allow constant zero
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	798 if (slot_count.is_constant() && slot_count.as_constant() == 0)
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	799 return;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	800 assert_different_registers(argslot_reg, temp_reg, temp2_reg,
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	801 (!slot_count.is_register() ? Gargs : slot_count.as_register()),
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	802 SP);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	803 assert(Interpreter::stackElementSize == wordSize, "else change this code");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	804
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	805 BLOCK_COMMENT("push_arg_slots {");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	806 if (VerifyMethodHandles)
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	807 verify_stack_move(_masm, slot_count, 0);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	808
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	809 RegisterOrConstant offset = adjust_SP_and_Gargs_down_by_slots(_masm, slot_count, temp2_reg, temp_reg);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	810
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	811 if (slot_count.is_constant()) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	812 for (int i = slot_count.as_constant() - 1; i >= 0; i--) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	813 __ ld_ptr( Address(argslot_reg, i * wordSize), temp_reg);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	814 __ st_ptr(temp_reg, Address(Gargs, i * wordSize));
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	815 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	816 } else {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	817 Label L_plural, L_loop, L_break;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	818 // Emit code to dynamically check for the common cases, zero and one slot.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	819 __ cmp(slot_count.as_register(), (int32_t) 1);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	820 __ br(Assembler::greater, false, Assembler::pn, L_plural);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	821 __ delayed()->nop();
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	822 __ br(Assembler::less, false, Assembler::pn, L_break);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	823 __ delayed()->nop();
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	824 __ ld_ptr( Address(argslot_reg, 0), temp_reg);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	825 __ st_ptr(temp_reg, Address(Gargs, 0));
3839 3d42f82cd811 7063628: Use cbcond on T4 kvn parents: 3808 diff changeset	826 __ ba_short(L_break);
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	827 __ BIND(L_plural);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	828
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	829 // Loop for 2 or more:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	830 // top = &argslot[slot_count]
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	831 // while (top > argslot) (--Gargs) = (--top)
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	832 Register top_reg = temp_reg;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	833 __ add(argslot_reg, offset, top_reg);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	834 __ add(Gargs, offset, Gargs ); // move back up again so we can go down
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	835 __ BIND(L_loop);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	836 __ sub(top_reg, wordSize, top_reg);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	837 __ sub(Gargs, wordSize, Gargs );
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	838 __ ld_ptr( Address(top_reg, 0), temp2_reg);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	839 __ st_ptr(temp2_reg, Address(Gargs, 0));
3839 3d42f82cd811 7063628: Use cbcond on T4 kvn parents: 3808 diff changeset	840 __ cmp_and_brx_short(top_reg, argslot_reg, Assembler::greaterUnsigned, Assembler::pt, L_loop);
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	841 __ BIND(L_break);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	842 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	843 BLOCK_COMMENT("} push_arg_slots");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	844 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	845
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	846 // in-place movement; no change to Gargs
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	847 // blows temp_reg, temp2_reg
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	848 void MethodHandles::move_arg_slots_up(MacroAssembler* _masm,
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	849 Register bottom_reg, // invariant
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	850 Address top_addr, // can use temp_reg
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	851 RegisterOrConstant positive_distance_in_slots, // destroyed if register
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	852 Register temp_reg, Register temp2_reg) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	853 assert_different_registers(bottom_reg,
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	854 temp_reg, temp2_reg,
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	855 positive_distance_in_slots.register_or_noreg());
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	856 BLOCK_COMMENT("move_arg_slots_up {");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	857 Label L_loop, L_break;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	858 Register top_reg = temp_reg;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	859 if (!top_addr.is_same_address(Address(top_reg, 0))) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	860 __ add(top_addr, top_reg);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	861 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	862 // Detect empty (or broken) loop:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	863 #ifdef ASSERT
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	864 if (VerifyMethodHandles) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	865 // Verify that &bottom < &top (non-empty interval)
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	866 Label L_ok, L_bad;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	867 if (positive_distance_in_slots.is_register()) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	868 __ cmp(positive_distance_in_slots.as_register(), (int32_t) 0);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	869 __ br(Assembler::lessEqual, false, Assembler::pn, L_bad);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	870 __ delayed()->nop();
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	871 }
3839 3d42f82cd811 7063628: Use cbcond on T4 kvn parents: 3808 diff changeset	872 __ cmp_and_brx_short(bottom_reg, top_reg, Assembler::lessUnsigned, Assembler::pt, L_ok);
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	873 __ BIND(L_bad);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	874 __ stop("valid bounds (copy up)");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	875 __ BIND(L_ok);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	876 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	877 #endif
3839 3d42f82cd811 7063628: Use cbcond on T4 kvn parents: 3808 diff changeset	878 __ cmp_and_brx_short(bottom_reg, top_reg, Assembler::greaterEqualUnsigned, Assembler::pn, L_break);
4979 18a5539bf19b More diff vs hsx24 optimizations. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: 4970 diff changeset	879 // work top down to bottom, copying contiguous data upwards
18a5539bf19b More diff vs hsx24 optimizations. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: 4970 diff changeset	880 // In pseudo-code:
18a5539bf19b More diff vs hsx24 optimizations. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: 4970 diff changeset	881 // while (--top >= bottom) (top + distance) = (top + 0);
18a5539bf19b More diff vs hsx24 optimizations. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: 4970 diff changeset	882 RegisterOrConstant offset = __ argument_offset(positive_distance_in_slots, positive_distance_in_slots.register_or_noreg());
18a5539bf19b More diff vs hsx24 optimizations. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: 4970 diff changeset	883 __ BIND(L_loop);
18a5539bf19b More diff vs hsx24 optimizations. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: 4970 diff changeset	884 __ sub(top_reg, wordSize, top_reg);
18a5539bf19b More diff vs hsx24 optimizations. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: 4970 diff changeset	885 __ ld_ptr( Address(top_reg, 0 ), temp2_reg);
18a5539bf19b More diff vs hsx24 optimizations. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: 4970 diff changeset	886 __ st_ptr(temp2_reg, Address(top_reg, offset) );
3839 3d42f82cd811 7063628: Use cbcond on T4 kvn parents: 3808 diff changeset	887 __ cmp_and_brx_short(top_reg, bottom_reg, Assembler::greaterUnsigned, Assembler::pt, L_loop);
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	888 assert(Interpreter::stackElementSize == wordSize, "else change loop");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	889 __ BIND(L_break);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	890 BLOCK_COMMENT("} move_arg_slots_up");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	891 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	892
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	893 // in-place movement; no change to rsp
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	894 // blows temp_reg, temp2_reg
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	895 void MethodHandles::move_arg_slots_down(MacroAssembler* _masm,
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	896 Address bottom_addr, // can use temp_reg
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	897 Register top_reg, // invariant
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	898 RegisterOrConstant negative_distance_in_slots, // destroyed if register
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	899 Register temp_reg, Register temp2_reg) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	900 assert_different_registers(top_reg,
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	901 negative_distance_in_slots.register_or_noreg(),
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	902 temp_reg, temp2_reg);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	903 BLOCK_COMMENT("move_arg_slots_down {");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	904 Label L_loop, L_break;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	905 Register bottom_reg = temp_reg;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	906 if (!bottom_addr.is_same_address(Address(bottom_reg, 0))) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	907 __ add(bottom_addr, bottom_reg);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	908 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	909 // Detect empty (or broken) loop:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	910 #ifdef ASSERT
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	911 assert(!negative_distance_in_slots.is_constant() \|\| negative_distance_in_slots.as_constant() < 0, "");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	912 if (VerifyMethodHandles) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	913 // Verify that &bottom < &top (non-empty interval)
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	914 Label L_ok, L_bad;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	915 if (negative_distance_in_slots.is_register()) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	916 __ cmp(negative_distance_in_slots.as_register(), (int32_t) 0);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	917 __ br(Assembler::greaterEqual, false, Assembler::pn, L_bad);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	918 __ delayed()->nop();
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	919 }
3839 3d42f82cd811 7063628: Use cbcond on T4 kvn parents: 3808 diff changeset	920 __ cmp_and_brx_short(bottom_reg, top_reg, Assembler::lessUnsigned, Assembler::pt, L_ok);
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	921 __ BIND(L_bad);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	922 __ stop("valid bounds (copy down)");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	923 __ BIND(L_ok);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	924 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	925 #endif
3839 3d42f82cd811 7063628: Use cbcond on T4 kvn parents: 3808 diff changeset	926 __ cmp_and_brx_short(bottom_reg, top_reg, Assembler::greaterEqualUnsigned, Assembler::pn, L_break);
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	927 // work bottom up to top, copying contiguous data downwards
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	928 // In pseudo-code:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	929 // while (bottom < top) (bottom - distance) = (bottom + 0), bottom++;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	930 RegisterOrConstant offset = __ argument_offset(negative_distance_in_slots, negative_distance_in_slots.register_or_noreg());
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	931 __ BIND(L_loop);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	932 __ ld_ptr( Address(bottom_reg, 0 ), temp2_reg);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	933 __ st_ptr(temp2_reg, Address(bottom_reg, offset) );
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	934 __ add(bottom_reg, wordSize, bottom_reg);
3839 3d42f82cd811 7063628: Use cbcond on T4 kvn parents: 3808 diff changeset	935 __ cmp_and_brx_short(bottom_reg, top_reg, Assembler::lessUnsigned, Assembler::pt, L_loop);
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	936 assert(Interpreter::stackElementSize == wordSize, "else change loop");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	937 __ BIND(L_break);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	938 BLOCK_COMMENT("} move_arg_slots_down");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	939 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	940
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	941 // Copy from a field or array element to a stacked argument slot.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	942 // is_element (ignored) says whether caller is loading an array element instead of an instance field.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	943 void MethodHandles::move_typed_arg(MacroAssembler* _masm,
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	944 BasicType type, bool is_element,
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	945 Address value_src, Address slot_dest,
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	946 Register temp_reg) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	947 assert(!slot_dest.uses(temp_reg), "must be different register");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	948 BLOCK_COMMENT(!is_element ? "move_typed_arg {" : "move_typed_arg { (array element)");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	949 if (type == T_OBJECT \|\| type == T_ARRAY) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	950 __ load_heap_oop(value_src, temp_reg);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	951 __ verify_oop(temp_reg);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	952 __ st_ptr(temp_reg, slot_dest);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	953 } else if (type != T_VOID) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	954 int arg_size = type2aelembytes(type);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	955 bool arg_is_signed = is_signed_subword_type(type);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	956 int slot_size = is_subword_type(type) ? type2aelembytes(T_INT) : arg_size; // store int sub-words as int
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	957 __ load_sized_value( value_src, temp_reg, arg_size, arg_is_signed);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	958 __ store_sized_value(temp_reg, slot_dest, slot_size );
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	959 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	960 BLOCK_COMMENT("} move_typed_arg");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	961 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	962
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	963 // Cf. TemplateInterpreterGenerator::generate_return_entry_for and
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	964 // InterpreterMacroAssembler::save_return_value
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	965 void MethodHandles::move_return_value(MacroAssembler* _masm, BasicType type,
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	966 Address return_slot) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	967 BLOCK_COMMENT("move_return_value {");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	968 // Look at the type and pull the value out of the corresponding register.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	969 if (type == T_VOID) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	970 // nothing to do
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	971 } else if (type == T_OBJECT) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	972 __ verify_oop(O0);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	973 __ st_ptr(O0, return_slot);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	974 } else if (type == T_INT \|\| is_subword_type(type)) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	975 int type_size = type2aelembytes(T_INT);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	976 __ store_sized_value(O0, return_slot, type_size);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	977 } else if (type == T_LONG) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	978 // store the value by parts
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	979 // Note: We assume longs are continguous (if misaligned) on the interpreter stack.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	980 #if !defined(_LP64) && defined(COMPILER2)
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	981 __ stx(G1, return_slot);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	982 #else
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	983 #ifdef _LP64
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	984 __ stx(O0, return_slot);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	985 #else
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	986 if (return_slot.has_disp()) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	987 // The displacement is a constant
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	988 __ st(O0, return_slot);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	989 __ st(O1, return_slot.plus_disp(Interpreter::stackElementSize));
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	990 } else {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	991 __ std(O0, return_slot);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	992 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	993 #endif
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	994 #endif
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	995 } else if (type == T_FLOAT) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	996 __ stf(FloatRegisterImpl::S, Ftos_f, return_slot);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	997 } else if (type == T_DOUBLE) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	998 __ stf(FloatRegisterImpl::D, Ftos_f, return_slot);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	999 } else {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1000 ShouldNotReachHere();
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1001 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1002 BLOCK_COMMENT("} move_return_value");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1003 }
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1004
4824 5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1005 #ifndef PRODUCT
4818 82e5a84b7436 7120450: complete information dumped by frame_describe bdelsart parents: 4807 diff changeset	1006 void MethodHandles::RicochetFrame::describe(const frame* fr, FrameValues& values, int frame_no) {
82e5a84b7436 7120450: complete information dumped by frame_describe bdelsart parents: 4807 diff changeset	1007 RicochetFrame* rf = new RicochetFrame(*fr);
82e5a84b7436 7120450: complete information dumped by frame_describe bdelsart parents: 4807 diff changeset	1008
82e5a84b7436 7120450: complete information dumped by frame_describe bdelsart parents: 4807 diff changeset	1009 // ricochet slots (kept in registers for sparc)
82e5a84b7436 7120450: complete information dumped by frame_describe bdelsart parents: 4807 diff changeset	1010 values.describe(frame_no, rf->register_addr(I5_savedSP), err_msg("exact_sender_sp reg for #%d", frame_no));
82e5a84b7436 7120450: complete information dumped by frame_describe bdelsart parents: 4807 diff changeset	1011 values.describe(frame_no, rf->register_addr(L5_conversion), err_msg("conversion reg for #%d", frame_no));
82e5a84b7436 7120450: complete information dumped by frame_describe bdelsart parents: 4807 diff changeset	1012 values.describe(frame_no, rf->register_addr(L4_saved_args_base), err_msg("saved_args_base reg for #%d", frame_no));
82e5a84b7436 7120450: complete information dumped by frame_describe bdelsart parents: 4807 diff changeset	1013 values.describe(frame_no, rf->register_addr(L3_saved_args_layout), err_msg("saved_args_layout reg for #%d", frame_no));
82e5a84b7436 7120450: complete information dumped by frame_describe bdelsart parents: 4807 diff changeset	1014 values.describe(frame_no, rf->register_addr(L2_saved_target), err_msg("saved_target reg for #%d", frame_no));
82e5a84b7436 7120450: complete information dumped by frame_describe bdelsart parents: 4807 diff changeset	1015 values.describe(frame_no, rf->register_addr(L1_continuation), err_msg("continuation reg for #%d", frame_no));
82e5a84b7436 7120450: complete information dumped by frame_describe bdelsart parents: 4807 diff changeset	1016
82e5a84b7436 7120450: complete information dumped by frame_describe bdelsart parents: 4807 diff changeset	1017 // relevant ricochet targets (in caller frame)
82e5a84b7436 7120450: complete information dumped by frame_describe bdelsart parents: 4807 diff changeset	1018 values.describe(-1, rf->saved_args_base(), err_msg("*saved_args_base for #%d", frame_no));
82e5a84b7436 7120450: complete information dumped by frame_describe bdelsart parents: 4807 diff changeset	1019 values.describe(-1, (intptr_t )(STACK_BIAS+(uintptr_t)rf->exact_sender_sp()), err_msg("exact_sender_sp+STACK_BIAS for #%d", frame_no));
82e5a84b7436 7120450: complete information dumped by frame_describe bdelsart parents: 4807 diff changeset	1020 }
82e5a84b7436 7120450: complete information dumped by frame_describe bdelsart parents: 4807 diff changeset	1021 #endif // ASSERT
82e5a84b7436 7120450: complete information dumped by frame_describe bdelsart parents: 4807 diff changeset	1022
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1023 #ifndef PRODUCT
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1024 extern "C" void print_method_handle(oop mh);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1025 void trace_method_handle_stub(const char* adaptername,
3336 2e038ad0c1d0 7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp never parents: 3277 diff changeset	1026 oopDesc* mh,
4824 5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1027 intptr_t* saved_sp,
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1028 intptr_t* args,
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1029 intptr_t* tracing_fp) {
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1030 bool has_mh = (strstr(adaptername, "return/") == NULL); // return adapters don't have mh
4824 5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1031
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1032 tty->print_cr("MH %s mh="INTPTR_FORMAT " saved_sp=" INTPTR_FORMAT " args=" INTPTR_FORMAT, adaptername, (intptr_t) mh, saved_sp, args);
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1033
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1034 if (Verbose) {
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1035 // dumping last frame with frame::describe
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1036
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1037 JavaThread* p = JavaThread::active();
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1038
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1039 ResourceMark rm;
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1040 PRESERVE_EXCEPTION_MARK; // may not be needed by safer and unexpensive here
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1041 FrameValues values;
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1042
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1043 // Note: We want to allow trace_method_handle from any call site.
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1044 // While trace_method_handle creates a frame, it may be entered
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1045 // without a valid return PC in O7 (e.g. not just after a call).
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1046 // Walking that frame could lead to failures due to that invalid PC.
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1047 // => carefully detect that frame when doing the stack walking
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1048
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1049 // walk up to the right frame using the "tracing_fp" argument
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1050 intptr_t* cur_sp = StubRoutines::Sparc::flush_callers_register_windows_func()();
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1051 frame cur_frame(cur_sp, frame::unpatchable, NULL);
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1052
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1053 while (cur_frame.fp() != (intptr_t *)(STACK_BIAS+(uintptr_t)tracing_fp)) {
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1054 cur_frame = os::get_sender_for_C_frame(&cur_frame);
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1055 }
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1056
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1057 // safely create a frame and call frame::describe
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1058 intptr_t *dump_sp = cur_frame.sender_sp();
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1059 intptr_t *dump_fp = cur_frame.link();
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1060
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1061 bool walkable = has_mh; // whether the traced frame shoud be walkable
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1062
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1063 // the sender for cur_frame is the caller of trace_method_handle
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1064 if (walkable) {
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1065 // The previous definition of walkable may have to be refined
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1066 // if new call sites cause the next frame constructor to start
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1067 // failing. Alternatively, frame constructors could be
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1068 // modified to support the current or future non walkable
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1069 // frames (but this is more intrusive and is not considered as
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1070 // part of this RFE, which will instead use a simpler output).
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1071 frame dump_frame = frame(dump_sp,
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1072 cur_frame.sp(), // younger_sp
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1073 false); // no adaptation
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1074 dump_frame.describe(values, 1);
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1075 } else {
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1076 // Robust dump for frames which cannot be constructed from sp/younger_sp
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1077 // Add descriptions without building a Java frame to avoid issues
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1078 values.describe(-1, dump_fp, "fp for #1 <not parsed, cannot trust pc>");
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1079 values.describe(-1, dump_sp, "sp");
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1080 }
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1081
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1082 bool has_args = has_mh; // whether Gargs is meaningful
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1083
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1084 // mark args, if seems valid (may not be valid for some adapters)
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1085 if (has_args) {
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1086 if ((args >= dump_sp) && (args < dump_fp)) {
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1087 values.describe(-1, args, "*G4_args");
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1088 }
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1089 }
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1090
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1091 // mark saved_sp, if seems valid (may not be valid for some adapters)
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1092 intptr_t unbiased_sp = (intptr_t )(STACK_BIAS+(uintptr_t)saved_sp);
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1093 if ((unbiased_sp >= dump_sp - UNREASONABLE_STACK_MOVE) && (unbiased_sp < dump_fp)) {
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1094 values.describe(-1, unbiased_sp, "*saved_sp+STACK_BIAS");
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1095 }
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1096
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1097 // Note: the unextended_sp may not be correct
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1098 tty->print_cr(" stack layout:");
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1099 values.print(p);
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1100 }
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1101
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1102 if (has_mh) {
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1103 print_method_handle(mh);
4824 5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1104 }
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1105 }
4824 5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1106
1849 5beba6174298 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC twisti parents: 1846 diff changeset	1107 void MethodHandles::trace_method_handle(MacroAssembler* _masm, const char* adaptername) {
5beba6174298 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC twisti parents: 1846 diff changeset	1108 if (!TraceMethodHandles) return;
5beba6174298 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC twisti parents: 1846 diff changeset	1109 BLOCK_COMMENT("trace_method_handle {");
5beba6174298 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC twisti parents: 1846 diff changeset	1110 // save: Gargs, O5_savedSP
4824 5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1111 __ save_frame(16); // need space for saving required FPU state
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1112
1849 5beba6174298 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC twisti parents: 1846 diff changeset	1113 __ set((intptr_t) adaptername, O0);
5beba6174298 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC twisti parents: 1846 diff changeset	1114 __ mov(G3_method_handle, O1);
3336 2e038ad0c1d0 7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp never parents: 3277 diff changeset	1115 __ mov(I5_savedSP, O2);
4824 5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1116 __ mov(Gargs, O3);
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1117 __ mov(I6, O4); // frame identifier for safe stack walking
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1118
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1119 // Save scratched registers that might be needed. Robustness is more
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1120 // important than optimizing the saves for this debug only code.
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1121
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1122 // save FP result, valid at some call sites (adapter_opt_return_float, ...)
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1123 Address d_save(FP, -sizeof(jdouble) + STACK_BIAS);
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1124 __ stf(FloatRegisterImpl::D, Ftos_d, d_save);
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1125 // Safely save all globals but G2 (handled by call_VM_leaf) and G7
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1126 // (OS reserved).
1849 5beba6174298 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC twisti parents: 1846 diff changeset	1127 __ mov(G3_method_handle, L3);
5beba6174298 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC twisti parents: 1846 diff changeset	1128 __ mov(Gargs, L4);
5beba6174298 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC twisti parents: 1846 diff changeset	1129 __ mov(G5_method_type, L5);
4824 5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1130 __ mov(G6, L6);
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1131 __ mov(G1, L1);
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1132
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1133 __ call_VM_leaf(L2 /* for G2 */, CAST_FROM_FN_PTR(address, trace_method_handle_stub));
1849 5beba6174298 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC twisti parents: 1846 diff changeset	1134
5beba6174298 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC twisti parents: 1846 diff changeset	1135 __ mov(L3, G3_method_handle);
5beba6174298 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC twisti parents: 1846 diff changeset	1136 __ mov(L4, Gargs);
5beba6174298 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC twisti parents: 1846 diff changeset	1137 __ mov(L5, G5_method_type);
4824 5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1138 __ mov(L6, G6);
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1139 __ mov(L1, G1);
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1140 __ ldf(FloatRegisterImpl::D, d_save, Ftos_d);
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1141
1849 5beba6174298 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC twisti parents: 1846 diff changeset	1142 __ restore();
5beba6174298 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC twisti parents: 1846 diff changeset	1143 BLOCK_COMMENT("} trace_method_handle");
5beba6174298 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC twisti parents: 1846 diff changeset	1144 }
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1145 #endif // PRODUCT
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1146
1507 cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation jrose parents: 1506 diff changeset	1147 // which conversion op types are implemented here?
cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation jrose parents: 1506 diff changeset	1148 int MethodHandles::adapter_conversion_ops_supported_mask() {
2357 8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2321 diff changeset	1149 return ((1<<java_lang_invoke_AdapterMethodHandle::OP_RETYPE_ONLY)
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2321 diff changeset	1150 \|(1<<java_lang_invoke_AdapterMethodHandle::OP_RETYPE_RAW)
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2321 diff changeset	1151 \|(1<<java_lang_invoke_AdapterMethodHandle::OP_CHECK_CAST)
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2321 diff changeset	1152 \|(1<<java_lang_invoke_AdapterMethodHandle::OP_PRIM_TO_PRIM)
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2321 diff changeset	1153 \|(1<<java_lang_invoke_AdapterMethodHandle::OP_REF_TO_PRIM)
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1154 // OP_PRIM_TO_REF is below...
2357 8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2321 diff changeset	1155 \|(1<<java_lang_invoke_AdapterMethodHandle::OP_SWAP_ARGS)
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2321 diff changeset	1156 \|(1<<java_lang_invoke_AdapterMethodHandle::OP_ROT_ARGS)
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2321 diff changeset	1157 \|(1<<java_lang_invoke_AdapterMethodHandle::OP_DUP_ARGS)
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2321 diff changeset	1158 \|(1<<java_lang_invoke_AdapterMethodHandle::OP_DROP_ARGS)
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1159 // OP_COLLECT_ARGS is below...
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1160 \|(1<<java_lang_invoke_AdapterMethodHandle::OP_SPREAD_ARGS)
4807 15d394228cfa 7111138: delete the obsolete flag -XX:+UseRicochetFrames jrose parents: 4762 diff changeset	1161 \|(
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1162 java_lang_invoke_MethodTypeForm::vmlayout_offset_in_bytes() <= 0 ? 0 :
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1163 ((1<<java_lang_invoke_AdapterMethodHandle::OP_PRIM_TO_REF)
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1164 \|(1<<java_lang_invoke_AdapterMethodHandle::OP_COLLECT_ARGS)
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1165 \|(1<<java_lang_invoke_AdapterMethodHandle::OP_FOLD_ARGS)
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1166 )
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1167 )
1507 cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation jrose parents: 1506 diff changeset	1168 );
cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation jrose parents: 1506 diff changeset	1169 }
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1170
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1171 //------------------------------------------------------------------------------
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1172 // MethodHandles::generate_method_handle_stub
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1173 //
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1174 // Generate an "entry" field for a method handle.
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1175 // This determines how the method handle will respond to calls.
2116 d810e9a3fc33 7010180: JSR 292 InvokeDynamicPrintArgs fails with: assert(_adapter == NULL) failed: init'd to NULL twisti parents: 2088 diff changeset	1176 void MethodHandles::generate_method_handle_stub(MacroAssembler* _masm, MethodHandles::EntryKind ek) {
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1177 MethodHandles::EntryKind ek_orig = ek_original_kind(ek);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1178
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1179 // Here is the register state during an interpreted call,
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1180 // as set up by generate_method_handle_interpreter_entry():
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1181 // - G5: garbage temp (was MethodHandle.invoke methodOop, unused)
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1182 // - G3: receiver method handle
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1183 // - O5_savedSP: sender SP (must preserve)
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1184
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1185 const Register O0_scratch = O0;
2088 8d0b933dda2d 7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot twisti parents: 2009 diff changeset	1186 const Register O1_scratch = O1;
8d0b933dda2d 7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot twisti parents: 2009 diff changeset	1187 const Register O2_scratch = O2;
8d0b933dda2d 7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot twisti parents: 2009 diff changeset	1188 const Register O3_scratch = O3;
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1189 const Register O4_scratch = O4;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1190 const Register G5_scratch = G5;
2088 8d0b933dda2d 7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot twisti parents: 2009 diff changeset	1191
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1192 // Often used names:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1193 const Register O0_argslot = O0;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1194
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1195 // Argument registers for _raise_exception:
2088 8d0b933dda2d 7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot twisti parents: 2009 diff changeset	1196 const Register O0_code = O0;
8d0b933dda2d 7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot twisti parents: 2009 diff changeset	1197 const Register O1_actual = O1;
8d0b933dda2d 7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot twisti parents: 2009 diff changeset	1198 const Register O2_required = O2;
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1199
2357 8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2321 diff changeset	1200 guarantee(java_lang_invoke_MethodHandle::vmentry_offset_in_bytes() != 0, "must have offsets");
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1201
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1202 // Some handy addresses:
2357 8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2321 diff changeset	1203 Address G3_mh_vmtarget( G3_method_handle, java_lang_invoke_MethodHandle::vmtarget_offset_in_bytes());
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1204
2357 8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2321 diff changeset	1205 Address G3_dmh_vmindex( G3_method_handle, java_lang_invoke_DirectMethodHandle::vmindex_offset_in_bytes());
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1206
2357 8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2321 diff changeset	1207 Address G3_bmh_vmargslot( G3_method_handle, java_lang_invoke_BoundMethodHandle::vmargslot_offset_in_bytes());
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2321 diff changeset	1208 Address G3_bmh_argument( G3_method_handle, java_lang_invoke_BoundMethodHandle::argument_offset_in_bytes());
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1209
2357 8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2321 diff changeset	1210 Address G3_amh_vmargslot( G3_method_handle, java_lang_invoke_AdapterMethodHandle::vmargslot_offset_in_bytes());
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2321 diff changeset	1211 Address G3_amh_argument ( G3_method_handle, java_lang_invoke_AdapterMethodHandle::argument_offset_in_bytes());
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2321 diff changeset	1212 Address G3_amh_conversion(G3_method_handle, java_lang_invoke_AdapterMethodHandle::conversion_offset_in_bytes());
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1213
4762 069ab3f976d3 7118863: Move sizeof(klassOopDesc) into the Klass::_offset_in_bytes() functions stefank parents: 4114 diff changeset	1214 const int java_mirror_offset = in_bytes(Klass::java_mirror_offset());
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1215
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1216 if (have_entry(ek)) {
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1217 __ nop(); // empty stubs make SG sick
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1218 return;
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1219 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1220
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1221 address interp_entry = __ pc();
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1222
1849 5beba6174298 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC twisti parents: 1846 diff changeset	1223 trace_method_handle(_masm, entry_name(ek));
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1224
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1225 BLOCK_COMMENT(err_msg("Entry %s {", entry_name(ek)));
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1226
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1227 switch ((int) ek) {
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1228 case _raise_exception:
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1229 {
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1230 // Not a real MH entry, but rather shared code for raising an
3808 341a57af9b0a 6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods never parents: 3451 diff changeset	1231 // exception. For sharing purposes the arguments are passed into registers
341a57af9b0a 6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods never parents: 3451 diff changeset	1232 // and then placed in the intepreter calling convention here.
2116 d810e9a3fc33 7010180: JSR 292 InvokeDynamicPrintArgs fails with: assert(_adapter == NULL) failed: init'd to NULL twisti parents: 2088 diff changeset	1233 assert(raise_exception_method(), "must be set");
2321 1b4e6a5d98e0 7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc twisti parents: 2258 diff changeset	1234 assert(raise_exception_method()->from_compiled_entry(), "method must be linked");
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1235
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1236 __ set(AddressLiteral((address) &_raise_exception_method), G5_method);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1237 __ ld_ptr(Address(G5_method, 0), G5_method);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1238
2088 8d0b933dda2d 7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot twisti parents: 2009 diff changeset	1239 const int jobject_oop_offset = 0;
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1240 __ ld_ptr(Address(G5_method, jobject_oop_offset), G5_method);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1241
3808 341a57af9b0a 6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods never parents: 3451 diff changeset	1242 adjust_SP_and_Gargs_down_by_slots(_masm, 3, noreg, noreg);
341a57af9b0a 6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods never parents: 3451 diff changeset	1243
3848 a19c671188cb 7075623: 6990212 broke raiseException in 64 bit never parents: 3839 diff changeset	1244 __ st (O0_code, __ argument_address(constant(2), noreg, 0));
3808 341a57af9b0a 6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods never parents: 3451 diff changeset	1245 __ st_ptr(O1_actual, __ argument_address(constant(1), noreg, 0));
341a57af9b0a 6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods never parents: 3451 diff changeset	1246 __ st_ptr(O2_required, __ argument_address(constant(0), noreg, 0));
341a57af9b0a 6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods never parents: 3451 diff changeset	1247 jump_from_method_handle(_masm, G5_method, O1_scratch, O2_scratch);
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1248 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1249 break;
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1250
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1251 case _invokestatic_mh:
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1252 case _invokespecial_mh:
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1253 {
1846 d55217dc206f 6829194: JSR 292 needs to support compressed oops twisti parents: 1579 diff changeset	1254 __ load_heap_oop(G3_mh_vmtarget, G5_method); // target is a methodOop
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1255 // Same as TemplateTable::invokestatic or invokespecial,
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1256 // minus the CP setup and profiling:
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1257 if (ek == _invokespecial_mh) {
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1258 // Must load & check the first argument before entering the target method.
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1259 __ load_method_handle_vmslots(O0_argslot, G3_method_handle, O1_scratch);
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1260 __ ld_ptr(__ argument_address(O0_argslot, O0_argslot, -1), G3_method_handle);
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1261 __ null_check(G3_method_handle);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1262 __ verify_oop(G3_method_handle);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1263 }
3808 341a57af9b0a 6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods never parents: 3451 diff changeset	1264 jump_from_method_handle(_masm, G5_method, O1_scratch, O2_scratch);
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1265 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1266 break;
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1267
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1268 case _invokevirtual_mh:
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1269 {
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1270 // Same as TemplateTable::invokevirtual,
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1271 // minus the CP setup and profiling:
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1272
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1273 // Pick out the vtable index and receiver offset from the MH,
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1274 // and then we can discard it:
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1275 Register O2_index = O2_scratch;
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1276 __ load_method_handle_vmslots(O0_argslot, G3_method_handle, O1_scratch);
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1277 __ ldsw(G3_dmh_vmindex, O2_index);
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1278 // Note: The verifier allows us to ignore G3_mh_vmtarget.
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1279 __ ld_ptr(__ argument_address(O0_argslot, O0_argslot, -1), G3_method_handle);
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1280 __ null_check(G3_method_handle, oopDesc::klass_offset_in_bytes());
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1281
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1282 // Get receiver klass:
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1283 Register O0_klass = O0_argslot;
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1284 __ load_klass(G3_method_handle, O0_klass);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1285 __ verify_oop(O0_klass);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1286
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1287 // Get target methodOop & entry point:
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1288 const int base = instanceKlass::vtable_start_offset() * wordSize;
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1289 assert(vtableEntry::size() * wordSize == wordSize, "adjust the scaling in the code below");
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1290
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1291 __ sll_ptr(O2_index, LogBytesPerWord, O2_index);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1292 __ add(O0_klass, O2_index, O0_klass);
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1293 Address vtable_entry_addr(O0_klass, base + vtableEntry::method_offset_in_bytes());
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1294 __ ld_ptr(vtable_entry_addr, G5_method);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1295
3808 341a57af9b0a 6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods never parents: 3451 diff changeset	1296 jump_from_method_handle(_masm, G5_method, O1_scratch, O2_scratch);
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1297 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1298 break;
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1299
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1300 case _invokeinterface_mh:
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1301 {
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1302 // Same as TemplateTable::invokeinterface,
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1303 // minus the CP setup and profiling:
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1304 __ load_method_handle_vmslots(O0_argslot, G3_method_handle, O1_scratch);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1305 Register O1_intf = O1_scratch;
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1306 Register G5_index = G5_scratch;
1846 d55217dc206f 6829194: JSR 292 needs to support compressed oops twisti parents: 1579 diff changeset	1307 __ load_heap_oop(G3_mh_vmtarget, O1_intf);
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1308 __ ldsw(G3_dmh_vmindex, G5_index);
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1309 __ ld_ptr(__ argument_address(O0_argslot, O0_argslot, -1), G3_method_handle);
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1310 __ null_check(G3_method_handle, oopDesc::klass_offset_in_bytes());
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1311
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1312 // Get receiver klass:
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1313 Register O0_klass = O0_argslot;
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1314 __ load_klass(G3_method_handle, O0_klass);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1315 __ verify_oop(O0_klass);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1316
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1317 // Get interface:
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1318 Label no_such_interface;
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1319 __ verify_oop(O1_intf);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1320 __ lookup_interface_method(O0_klass, O1_intf,
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1321 // Note: next two args must be the same:
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1322 G5_index, G5_method,
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1323 O2_scratch,
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1324 O3_scratch,
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1325 no_such_interface);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1326
3808 341a57af9b0a 6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods never parents: 3451 diff changeset	1327 jump_from_method_handle(_masm, G5_method, O1_scratch, O2_scratch);
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1328
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1329 __ bind(no_such_interface);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1330 // Throw an exception.
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1331 // For historical reasons, it will be IncompatibleClassChangeError.
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1332 __ unimplemented("not tested yet");
2088 8d0b933dda2d 7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot twisti parents: 2009 diff changeset	1333 __ ld_ptr(Address(O1_intf, java_mirror_offset), O2_required); // required interface
8d0b933dda2d 7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot twisti parents: 2009 diff changeset	1334 __ mov( O0_klass, O1_actual); // bad receiver
8d0b933dda2d 7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot twisti parents: 2009 diff changeset	1335 __ jump_to(AddressLiteral(from_interpreted_entry(_raise_exception)), O3_scratch);
8d0b933dda2d 7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot twisti parents: 2009 diff changeset	1336 __ delayed()->mov(Bytecodes::_invokeinterface, O0_code); // who is complaining?
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1337 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1338 break;
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1339
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1340 case _bound_ref_mh:
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1341 case _bound_int_mh:
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1342 case _bound_long_mh:
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1343 case _bound_ref_direct_mh:
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1344 case _bound_int_direct_mh:
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1345 case _bound_long_direct_mh:
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1346 {
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1347 const bool direct_to_method = (ek >= _bound_ref_direct_mh);
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1348 BasicType arg_type = ek_bound_mh_arg_type(ek);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1349 int arg_slots = type2size[arg_type];
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1350
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1351 // Make room for the new argument:
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1352 load_vmargslot(_masm, G3_bmh_vmargslot, O0_argslot);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1353 __ add(__ argument_address(O0_argslot, O0_argslot), O0_argslot);
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1354
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1355 insert_arg_slots(_masm, arg_slots * stack_move_unit(), O0_argslot, O1_scratch, O2_scratch, O3_scratch);
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1356
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1357 // Store bound argument into the new stack slot:
1846 d55217dc206f 6829194: JSR 292 needs to support compressed oops twisti parents: 1579 diff changeset	1358 __ load_heap_oop(G3_bmh_argument, O1_scratch);
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1359 if (arg_type == T_OBJECT) {
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1360 __ st_ptr(O1_scratch, Address(O0_argslot, 0));
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1361 } else {
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1362 Address prim_value_addr(O1_scratch, java_lang_boxing_object::value_offset_in_bytes(arg_type));
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1363 move_typed_arg(_masm, arg_type, false,
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1364 prim_value_addr,
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1365 Address(O0_argslot, 0),
4824 5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	1366 O2_scratch); // must be an even register for !_LP64 long moves (uses O2/O3)
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1367 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1368
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1369 if (direct_to_method) {
1846 d55217dc206f 6829194: JSR 292 needs to support compressed oops twisti parents: 1579 diff changeset	1370 __ load_heap_oop(G3_mh_vmtarget, G5_method); // target is a methodOop
3808 341a57af9b0a 6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods never parents: 3451 diff changeset	1371 jump_from_method_handle(_masm, G5_method, O1_scratch, O2_scratch);
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1372 } else {
1846 d55217dc206f 6829194: JSR 292 needs to support compressed oops twisti parents: 1579 diff changeset	1373 __ load_heap_oop(G3_mh_vmtarget, G3_method_handle); // target is a methodOop
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1374 __ verify_oop(G3_method_handle);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1375 __ jump_to_method_handle_entry(G3_method_handle, O1_scratch);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1376 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1377 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1378 break;
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1379
3905 c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency never parents: 3848 diff changeset	1380 case _adapter_opt_profiling:
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency never parents: 3848 diff changeset	1381 if (java_lang_invoke_CountingMethodHandle::vmcount_offset_in_bytes() != 0) {
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency never parents: 3848 diff changeset	1382 Address G3_mh_vmcount(G3_method_handle, java_lang_invoke_CountingMethodHandle::vmcount_offset_in_bytes());
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency never parents: 3848 diff changeset	1383 __ ld(G3_mh_vmcount, O1_scratch);
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency never parents: 3848 diff changeset	1384 __ add(O1_scratch, 1, O1_scratch);
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency never parents: 3848 diff changeset	1385 __ st(O1_scratch, G3_mh_vmcount);
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency never parents: 3848 diff changeset	1386 }
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency never parents: 3848 diff changeset	1387 // fall through
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency never parents: 3848 diff changeset	1388
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1389 case _adapter_retype_only:
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1390 case _adapter_retype_raw:
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1391 // Immediately jump to the next MH layer:
1846 d55217dc206f 6829194: JSR 292 needs to support compressed oops twisti parents: 1579 diff changeset	1392 __ load_heap_oop(G3_mh_vmtarget, G3_method_handle);
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1393 __ verify_oop(G3_method_handle);
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1394 __ jump_to_method_handle_entry(G3_method_handle, O1_scratch);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1395 // This is OK when all parameter types widen.
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1396 // It is also OK when a return type narrows.
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1397 break;
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1398
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1399 case _adapter_check_cast:
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1400 {
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1401 // Check a reference argument before jumping to the next layer of MH:
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1402 load_vmargslot(_masm, G3_amh_vmargslot, O0_argslot);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1403 Address vmarg = __ argument_address(O0_argslot, O0_argslot);
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1404
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1405 // What class are we casting to?
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1406 Register O1_klass = O1_scratch; // Interesting AMH data.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1407 __ load_heap_oop(G3_amh_argument, O1_klass); // This is a Class object!
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1408 load_klass_from_Class(_masm, O1_klass, O2_scratch, O3_scratch);
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1409
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1410 Label L_done;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1411 __ ld_ptr(vmarg, O2_scratch);
3839 3d42f82cd811 7063628: Use cbcond on T4 kvn parents: 3808 diff changeset	1412 __ br_null_short(O2_scratch, Assembler::pn, L_done); // No cast if null.
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1413 __ load_klass(O2_scratch, O2_scratch);
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1414
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1415 // Live at this point:
3342 8d944991dbf9 7041244: JSR 292: Server VM gets a SEGV running a JCK test twisti parents: 3336 diff changeset	1416 // - O0_argslot : argslot index in vmarg; may be required in the failing path
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1417 // - O1_klass : klass required by the target method
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1418 // - O2_scratch : argument klass to test
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1419 // - G3_method_handle: adapter method handle
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1420 __ check_klass_subtype(O2_scratch, O1_klass, O3_scratch, O4_scratch, L_done);
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1421
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1422 // If we get here, the type check failed!
2088 8d0b933dda2d 7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot twisti parents: 2009 diff changeset	1423 __ load_heap_oop(G3_amh_argument, O2_required); // required class
8d0b933dda2d 7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot twisti parents: 2009 diff changeset	1424 __ ld_ptr( vmarg, O1_actual); // bad object
8d0b933dda2d 7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot twisti parents: 2009 diff changeset	1425 __ jump_to(AddressLiteral(from_interpreted_entry(_raise_exception)), O3_scratch);
8d0b933dda2d 7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot twisti parents: 2009 diff changeset	1426 __ delayed()->mov(Bytecodes::_checkcast, O0_code); // who is complaining?
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1427
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1428 __ BIND(L_done);
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1429 // Get the new MH:
1846 d55217dc206f 6829194: JSR 292 needs to support compressed oops twisti parents: 1579 diff changeset	1430 __ load_heap_oop(G3_mh_vmtarget, G3_method_handle);
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1431 __ jump_to_method_handle_entry(G3_method_handle, O1_scratch);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1432 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1433 break;
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1434
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1435 case _adapter_prim_to_prim:
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1436 case _adapter_ref_to_prim:
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1437 // Handled completely by optimized cases.
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1438 __ stop("init_AdapterMethodHandle should not issue this");
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1439 break;
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1440
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1441 case _adapter_opt_i2i: // optimized subcase of adapt_prim_to_prim
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1442 //case _adapter_opt_f2i: // optimized subcase of adapt_prim_to_prim
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1443 case _adapter_opt_l2i: // optimized subcase of adapt_prim_to_prim
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1444 case _adapter_opt_unboxi: // optimized subcase of adapt_ref_to_prim
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1445 {
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1446 // Perform an in-place conversion to int or an int subword.
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1447 load_vmargslot(_masm, G3_amh_vmargslot, O0_argslot);
2009 b856cd7f4e60 7003798: test/compiler/6991596 fails with true != false twisti parents: 1972 diff changeset	1448 Address value;
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1449 Address vmarg;
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1450 bool value_left_justified = false;
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1451
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1452 switch (ek) {
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1453 case _adapter_opt_i2i:
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1454 value = vmarg = __ argument_address(O0_argslot, O0_argslot);
1901 7aff5786cc02 6991596: JSR 292 unimplemented adapter_opt_i2i and adapter_opt_l2i on SPARC twisti parents: 1849 diff changeset	1455 break;
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1456 case _adapter_opt_l2i:
1901 7aff5786cc02 6991596: JSR 292 unimplemented adapter_opt_i2i and adapter_opt_l2i on SPARC twisti parents: 1849 diff changeset	1457 {
7aff5786cc02 6991596: JSR 292 unimplemented adapter_opt_i2i and adapter_opt_l2i on SPARC twisti parents: 1849 diff changeset	1458 // just delete the extra slot
2009 b856cd7f4e60 7003798: test/compiler/6991596 fails with true != false twisti parents: 1972 diff changeset	1459 #ifdef _LP64
b856cd7f4e60 7003798: test/compiler/6991596 fails with true != false twisti parents: 1972 diff changeset	1460 // In V9, longs are given 2 64-bit slots in the interpreter, but the
b856cd7f4e60 7003798: test/compiler/6991596 fails with true != false twisti parents: 1972 diff changeset	1461 // data is passed in only 1 slot.
b856cd7f4e60 7003798: test/compiler/6991596 fails with true != false twisti parents: 1972 diff changeset	1462 // Keep the second slot.
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1463 __ add(__ argument_address(O0_argslot, O0_argslot, -1), O0_argslot);
2009 b856cd7f4e60 7003798: test/compiler/6991596 fails with true != false twisti parents: 1972 diff changeset	1464 remove_arg_slots(_masm, -stack_move_unit(), O0_argslot, O1_scratch, O2_scratch, O3_scratch);
b856cd7f4e60 7003798: test/compiler/6991596 fails with true != false twisti parents: 1972 diff changeset	1465 value = Address(O0_argslot, 4); // Get least-significant 32-bit of 64-bit value.
b856cd7f4e60 7003798: test/compiler/6991596 fails with true != false twisti parents: 1972 diff changeset	1466 vmarg = Address(O0_argslot, Interpreter::stackElementSize);
b856cd7f4e60 7003798: test/compiler/6991596 fails with true != false twisti parents: 1972 diff changeset	1467 #else
b856cd7f4e60 7003798: test/compiler/6991596 fails with true != false twisti parents: 1972 diff changeset	1468 // Keep the first slot.
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1469 __ add(__ argument_address(O0_argslot, O0_argslot), O0_argslot);
1901 7aff5786cc02 6991596: JSR 292 unimplemented adapter_opt_i2i and adapter_opt_l2i on SPARC twisti parents: 1849 diff changeset	1470 remove_arg_slots(_masm, -stack_move_unit(), O0_argslot, O1_scratch, O2_scratch, O3_scratch);
2009 b856cd7f4e60 7003798: test/compiler/6991596 fails with true != false twisti parents: 1972 diff changeset	1471 value = Address(O0_argslot, 0);
b856cd7f4e60 7003798: test/compiler/6991596 fails with true != false twisti parents: 1972 diff changeset	1472 vmarg = value;
b856cd7f4e60 7003798: test/compiler/6991596 fails with true != false twisti parents: 1972 diff changeset	1473 #endif
1901 7aff5786cc02 6991596: JSR 292 unimplemented adapter_opt_i2i and adapter_opt_l2i on SPARC twisti parents: 1849 diff changeset	1474 }
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1475 break;
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1476 case _adapter_opt_unboxi:
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1477 {
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1478 vmarg = __ argument_address(O0_argslot, O0_argslot);
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1479 // Load the value up from the heap.
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1480 __ ld_ptr(vmarg, O1_scratch);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1481 int value_offset = java_lang_boxing_object::value_offset_in_bytes(T_INT);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1482 #ifdef ASSERT
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1483 for (int bt = T_BOOLEAN; bt < T_INT; bt++) {
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1484 if (is_subword_type(BasicType(bt)))
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1485 assert(value_offset == java_lang_boxing_object::value_offset_in_bytes(BasicType(bt)), "");
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1486 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1487 #endif
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1488 __ null_check(O1_scratch, value_offset);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1489 value = Address(O1_scratch, value_offset);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1490 #ifdef _BIG_ENDIAN
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1491 // Values stored in objects are packed.
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1492 value_left_justified = true;
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1493 #endif
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1494 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1495 break;
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1496 default:
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1497 ShouldNotReachHere();
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1498 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1499
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1500 // This check is required on _BIG_ENDIAN
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1501 Register G5_vminfo = G5_scratch;
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1502 __ ldsw(G3_amh_conversion, G5_vminfo);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1503 assert(CONV_VMINFO_SHIFT == 0, "preshifted");
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1504
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1505 // Original 32-bit vmdata word must be of this form:
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1506 // \| MBZ:6 \| signBitCount:8 \| srcDstTypes:8 \| conversionOp:8 \|
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1507 __ lduw(value, O1_scratch);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1508 if (!value_left_justified)
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1509 __ sll(O1_scratch, G5_vminfo, O1_scratch);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1510 Label zero_extend, done;
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1511 __ btst(CONV_VMINFO_SIGN_FLAG, G5_vminfo);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1512 __ br(Assembler::zero, false, Assembler::pn, zero_extend);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1513 __ delayed()->nop();
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1514
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1515 // this path is taken for int->byte, int->short
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1516 __ sra(O1_scratch, G5_vminfo, O1_scratch);
3839 3d42f82cd811 7063628: Use cbcond on T4 kvn parents: 3808 diff changeset	1517 __ ba_short(done);
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1518
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1519 __ bind(zero_extend);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1520 // this is taken for int->char
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1521 __ srl(O1_scratch, G5_vminfo, O1_scratch);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1522
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1523 __ bind(done);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1524 __ st(O1_scratch, vmarg);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1525
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1526 // Get the new MH:
1846 d55217dc206f 6829194: JSR 292 needs to support compressed oops twisti parents: 1579 diff changeset	1527 __ load_heap_oop(G3_mh_vmtarget, G3_method_handle);
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1528 __ jump_to_method_handle_entry(G3_method_handle, O1_scratch);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1529 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1530 break;
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1531
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1532 case _adapter_opt_i2l: // optimized subcase of adapt_prim_to_prim
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1533 case _adapter_opt_unboxl: // optimized subcase of adapt_ref_to_prim
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1534 {
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1535 // Perform an in-place int-to-long or ref-to-long conversion.
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1536 load_vmargslot(_masm, G3_amh_vmargslot, O0_argslot);
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1537
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1538 // On big-endian machine we duplicate the slot and store the MSW
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1539 // in the first slot.
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1540 __ add(__ argument_address(O0_argslot, O0_argslot, 1), O0_argslot);
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1541
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1542 insert_arg_slots(_masm, stack_move_unit(), O0_argslot, O1_scratch, O2_scratch, O3_scratch);
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1543
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1544 Address arg_lsw(O0_argslot, 0);
1506 2338d41fbd81 6943304: remove tagged stack interpreter twisti parents: 1503 diff changeset	1545 Address arg_msw(O0_argslot, -Interpreter::stackElementSize);
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1546
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1547 switch (ek) {
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1548 case _adapter_opt_i2l:
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1549 {
2382 3ef1a1866a60 7027232: JSR 292: wrong numeric value returned by MH on solaris-sparc twisti parents: 2357 diff changeset	1550 #ifdef _LP64
3ef1a1866a60 7027232: JSR 292: wrong numeric value returned by MH on solaris-sparc twisti parents: 2357 diff changeset	1551 __ ldsw(arg_lsw, O2_scratch); // Load LSW sign-extended
3ef1a1866a60 7027232: JSR 292: wrong numeric value returned by MH on solaris-sparc twisti parents: 2357 diff changeset	1552 #else
3ef1a1866a60 7027232: JSR 292: wrong numeric value returned by MH on solaris-sparc twisti parents: 2357 diff changeset	1553 __ ldsw(arg_lsw, O3_scratch); // Load LSW sign-extended
3ef1a1866a60 7027232: JSR 292: wrong numeric value returned by MH on solaris-sparc twisti parents: 2357 diff changeset	1554 __ srlx(O3_scratch, BitsPerInt, O2_scratch); // Move MSW value to lower 32-bits for std
3ef1a1866a60 7027232: JSR 292: wrong numeric value returned by MH on solaris-sparc twisti parents: 2357 diff changeset	1555 #endif
3ef1a1866a60 7027232: JSR 292: wrong numeric value returned by MH on solaris-sparc twisti parents: 2357 diff changeset	1556 __ st_long(O2_scratch, arg_msw); // Uses O2/O3 on !_LP64
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1557 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1558 break;
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1559 case _adapter_opt_unboxl:
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1560 {
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1561 // Load the value up from the heap.
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1562 __ ld_ptr(arg_lsw, O1_scratch);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1563 int value_offset = java_lang_boxing_object::value_offset_in_bytes(T_LONG);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1564 assert(value_offset == java_lang_boxing_object::value_offset_in_bytes(T_DOUBLE), "");
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1565 __ null_check(O1_scratch, value_offset);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1566 __ ld_long(Address(O1_scratch, value_offset), O2_scratch); // Uses O2/O3 on !_LP64
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1567 __ st_long(O2_scratch, arg_msw);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1568 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1569 break;
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1570 default:
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1571 ShouldNotReachHere();
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1572 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1573
1846 d55217dc206f 6829194: JSR 292 needs to support compressed oops twisti parents: 1579 diff changeset	1574 __ load_heap_oop(G3_mh_vmtarget, G3_method_handle);
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1575 __ jump_to_method_handle_entry(G3_method_handle, O1_scratch);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1576 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1577 break;
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1578
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1579 case _adapter_opt_f2d: // optimized subcase of adapt_prim_to_prim
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1580 case _adapter_opt_d2f: // optimized subcase of adapt_prim_to_prim
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1581 {
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1582 // perform an in-place floating primitive conversion
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1583 __ unimplemented(entry_name(ek));
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1584 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1585 break;
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1586
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1587 case _adapter_prim_to_ref:
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1588 __ unimplemented(entry_name(ek)); // %%% FIXME: NYI
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1589 break;
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1590
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1591 case _adapter_swap_args:
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1592 case _adapter_rot_args:
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1593 // handled completely by optimized cases
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1594 __ stop("init_AdapterMethodHandle should not issue this");
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1595 break;
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1596
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1597 case _adapter_opt_swap_1:
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1598 case _adapter_opt_swap_2:
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1599 case _adapter_opt_rot_1_up:
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1600 case _adapter_opt_rot_1_down:
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1601 case _adapter_opt_rot_2_up:
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1602 case _adapter_opt_rot_2_down:
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1603 {
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1604 int swap_slots = ek_adapter_opt_swap_slots(ek);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1605 int rotate = ek_adapter_opt_swap_mode(ek);
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1606
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1607 // 'argslot' is the position of the first argument to swap.
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1608 load_vmargslot(_masm, G3_amh_vmargslot, O0_argslot);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1609 __ add(__ argument_address(O0_argslot, O0_argslot), O0_argslot);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1610 if (VerifyMethodHandles)
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1611 verify_argslot(_masm, O0_argslot, O2_scratch, "swap point must fall within current frame");
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1612
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1613 // 'vminfo' is the second.
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1614 Register O1_destslot = O1_scratch;
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1615 load_conversion_vminfo(_masm, G3_amh_conversion, O1_destslot);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1616 __ add(__ argument_address(O1_destslot, O1_destslot), O1_destslot);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1617 if (VerifyMethodHandles)
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1618 verify_argslot(_masm, O1_destslot, O2_scratch, "swap point must fall within current frame");
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1619
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1620 assert(Interpreter::stackElementSize == wordSize, "else rethink use of wordSize here");
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1621 if (!rotate) {
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1622 // simple swap
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1623 for (int i = 0; i < swap_slots; i++) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1624 __ ld_ptr( Address(O0_argslot, i * wordSize), O2_scratch);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1625 __ ld_ptr( Address(O1_destslot, i * wordSize), O3_scratch);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1626 __ st_ptr(O3_scratch, Address(O0_argslot, i * wordSize));
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1627 __ st_ptr(O2_scratch, Address(O1_destslot, i * wordSize));
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1628 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1629 } else {
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1630 // A rotate is actually pair of moves, with an "odd slot" (or pair)
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1631 // changing place with a series of other slots.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1632 // First, push the "odd slot", which is going to get overwritten
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1633 switch (swap_slots) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1634 case 2 : __ ld_ptr(Address(O0_argslot, 1 * wordSize), O4_scratch); // fall-thru
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1635 case 1 : __ ld_ptr(Address(O0_argslot, 0 * wordSize), O3_scratch); break;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1636 default: ShouldNotReachHere();
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1637 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1638 if (rotate > 0) {
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1639 // Here is rotate > 0:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1640 // (low mem) (high mem)
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1641 // \| dest: more_slots... \| arg: odd_slot :arg+1 \|
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1642 // =>
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1643 // \| dest: odd_slot \| dest+1: more_slots... :arg+1 \|
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1644 // work argslot down to destslot, copying contiguous data upwards
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1645 // pseudo-code:
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1646 // argslot = src_addr - swap_bytes
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1647 // destslot = dest_addr
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1648 // while (argslot >= destslot) (argslot + swap_bytes) = (argslot + 0), argslot--;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1649 move_arg_slots_up(_masm,
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1650 O1_destslot,
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1651 Address(O0_argslot, 0),
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1652 swap_slots,
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1653 O0_argslot, O2_scratch);
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1654 } else {
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1655 // Here is the other direction, rotate < 0:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1656 // (low mem) (high mem)
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1657 // \| arg: odd_slot \| arg+1: more_slots... :dest+1 \|
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1658 // =>
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1659 // \| arg: more_slots... \| dest: odd_slot :dest+1 \|
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1660 // work argslot up to destslot, copying contiguous data downwards
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1661 // pseudo-code:
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1662 // argslot = src_addr + swap_bytes
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1663 // destslot = dest_addr
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1664 // while (argslot <= destslot) (argslot - swap_bytes) = (argslot + 0), argslot++;
3449 a9b8b43b115f 7052219: JSR 292: Crash in ~BufferBlob::MethodHandles adapters never parents: 3442 diff changeset	1665 // dest_slot denotes an exclusive upper limit
a9b8b43b115f 7052219: JSR 292: Crash in ~BufferBlob::MethodHandles adapters never parents: 3442 diff changeset	1666 int limit_bias = OP_ROT_ARGS_DOWN_LIMIT_BIAS;
a9b8b43b115f 7052219: JSR 292: Crash in ~BufferBlob::MethodHandles adapters never parents: 3442 diff changeset	1667 if (limit_bias != 0)
a9b8b43b115f 7052219: JSR 292: Crash in ~BufferBlob::MethodHandles adapters never parents: 3442 diff changeset	1668 __ add(O1_destslot, - limit_bias * wordSize, O1_destslot);
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1669 move_arg_slots_down(_masm,
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1670 Address(O0_argslot, swap_slots * wordSize),
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1671 O1_destslot,
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1672 -swap_slots,
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1673 O0_argslot, O2_scratch);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1674
3449 a9b8b43b115f 7052219: JSR 292: Crash in ~BufferBlob::MethodHandles adapters never parents: 3442 diff changeset	1675 __ sub(O1_destslot, swap_slots * wordSize, O1_destslot);
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1676 }
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1677 // pop the original first chunk into the destination slot, now free
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1678 switch (swap_slots) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1679 case 2 : __ st_ptr(O4_scratch, Address(O1_destslot, 1 * wordSize)); // fall-thru
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1680 case 1 : __ st_ptr(O3_scratch, Address(O1_destslot, 0 * wordSize)); break;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1681 default: ShouldNotReachHere();
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1682 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1683 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1684
1846 d55217dc206f 6829194: JSR 292 needs to support compressed oops twisti parents: 1579 diff changeset	1685 __ load_heap_oop(G3_mh_vmtarget, G3_method_handle);
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1686 __ jump_to_method_handle_entry(G3_method_handle, O1_scratch);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1687 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1688 break;
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1689
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1690 case _adapter_dup_args:
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1691 {
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1692 // 'argslot' is the position of the first argument to duplicate.
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1693 load_vmargslot(_masm, G3_amh_vmargslot, O0_argslot);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1694 __ add(__ argument_address(O0_argslot, O0_argslot), O0_argslot);
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1695
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1696 // 'stack_move' is negative number of words to duplicate.
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1697 Register O1_stack_move = O1_scratch;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1698 load_stack_move(_masm, G3_amh_conversion, O1_stack_move);
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1699
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1700 if (VerifyMethodHandles) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1701 verify_argslots(_masm, O1_stack_move, O0_argslot, O2_scratch, O3_scratch, true,
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1702 "copied argument(s) must fall within current frame");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1703 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1704
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1705 // insert location is always the bottom of the argument list:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1706 __ neg(O1_stack_move);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1707 push_arg_slots(_masm, O0_argslot, O1_stack_move, O2_scratch, O3_scratch);
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1708
1846 d55217dc206f 6829194: JSR 292 needs to support compressed oops twisti parents: 1579 diff changeset	1709 __ load_heap_oop(G3_mh_vmtarget, G3_method_handle);
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1710 __ jump_to_method_handle_entry(G3_method_handle, O1_scratch);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1711 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1712 break;
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1713
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1714 case _adapter_drop_args:
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1715 {
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1716 // 'argslot' is the position of the first argument to nuke.
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1717 load_vmargslot(_masm, G3_amh_vmargslot, O0_argslot);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1718 __ add(__ argument_address(O0_argslot, O0_argslot), O0_argslot);
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1719
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1720 // 'stack_move' is number of words to drop.
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1721 Register O1_stack_move = O1_scratch;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1722 load_stack_move(_masm, G3_amh_conversion, O1_stack_move);
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1723
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1724 remove_arg_slots(_masm, O1_stack_move, O0_argslot, O2_scratch, O3_scratch, O4_scratch);
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1725
1846 d55217dc206f 6829194: JSR 292 needs to support compressed oops twisti parents: 1579 diff changeset	1726 __ load_heap_oop(G3_mh_vmtarget, G3_method_handle);
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1727 __ jump_to_method_handle_entry(G3_method_handle, O1_scratch);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1728 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1729 break;
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1730
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1731 case _adapter_collect_args:
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1732 case _adapter_fold_args:
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1733 case _adapter_spread_args:
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1734 // Handled completely by optimized cases.
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1735 __ stop("init_AdapterMethodHandle should not issue this");
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1736 break;
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1737
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1738 case _adapter_opt_collect_ref:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1739 case _adapter_opt_collect_int:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1740 case _adapter_opt_collect_long:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1741 case _adapter_opt_collect_float:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1742 case _adapter_opt_collect_double:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1743 case _adapter_opt_collect_void:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1744 case _adapter_opt_collect_0_ref:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1745 case _adapter_opt_collect_1_ref:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1746 case _adapter_opt_collect_2_ref:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1747 case _adapter_opt_collect_3_ref:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1748 case _adapter_opt_collect_4_ref:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1749 case _adapter_opt_collect_5_ref:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1750 case _adapter_opt_filter_S0_ref:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1751 case _adapter_opt_filter_S1_ref:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1752 case _adapter_opt_filter_S2_ref:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1753 case _adapter_opt_filter_S3_ref:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1754 case _adapter_opt_filter_S4_ref:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1755 case _adapter_opt_filter_S5_ref:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1756 case _adapter_opt_collect_2_S0_ref:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1757 case _adapter_opt_collect_2_S1_ref:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1758 case _adapter_opt_collect_2_S2_ref:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1759 case _adapter_opt_collect_2_S3_ref:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1760 case _adapter_opt_collect_2_S4_ref:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1761 case _adapter_opt_collect_2_S5_ref:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1762 case _adapter_opt_fold_ref:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1763 case _adapter_opt_fold_int:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1764 case _adapter_opt_fold_long:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1765 case _adapter_opt_fold_float:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1766 case _adapter_opt_fold_double:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1767 case _adapter_opt_fold_void:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1768 case _adapter_opt_fold_1_ref:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1769 case _adapter_opt_fold_2_ref:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1770 case _adapter_opt_fold_3_ref:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1771 case _adapter_opt_fold_4_ref:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1772 case _adapter_opt_fold_5_ref:
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1773 {
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1774 // Given a fresh incoming stack frame, build a new ricochet frame.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1775 // On entry, TOS points at a return PC, and FP is the callers frame ptr.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1776 // RSI/R13 has the caller's exact stack pointer, which we must also preserve.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1777 // RCX contains an AdapterMethodHandle of the indicated kind.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1778
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1779 // Relevant AMH fields:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1780 // amh.vmargslot:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1781 // points to the trailing edge of the arguments
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1782 // to filter, collect, or fold. For a boxing operation,
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1783 // it points just after the single primitive value.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1784 // amh.argument:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1785 // recursively called MH, on \|collect\| arguments
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1786 // amh.vmtarget:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1787 // final destination MH, on return value, etc.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1788 // amh.conversion.dest:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1789 // tells what is the type of the return value
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1790 // (not needed here, since dest is also derived from ek)
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1791 // amh.conversion.vminfo:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1792 // points to the trailing edge of the return value
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1793 // when the vmtarget is to be called; this is
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1794 // equal to vmargslot + (retained ? \|collect\| : 0)
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1795
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1796 // Pass 0 or more argument slots to the recursive target.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1797 int collect_count_constant = ek_adapter_opt_collect_count(ek);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1798
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1799 // The collected arguments are copied from the saved argument list:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1800 int collect_slot_constant = ek_adapter_opt_collect_slot(ek);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1801
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1802 assert(ek_orig == _adapter_collect_args \|\|
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1803 ek_orig == _adapter_fold_args, "");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1804 bool retain_original_args = (ek_orig == _adapter_fold_args);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1805
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1806 // The return value is replaced (or inserted) at the 'vminfo' argslot.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1807 // Sometimes we can compute this statically.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1808 int dest_slot_constant = -1;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1809 if (!retain_original_args)
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1810 dest_slot_constant = collect_slot_constant;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1811 else if (collect_slot_constant >= 0 && collect_count_constant >= 0)
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1812 // We are preserving all the arguments, and the return value is prepended,
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1813 // so the return slot is to the left (above) the \|collect\| sequence.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1814 dest_slot_constant = collect_slot_constant + collect_count_constant;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1815
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1816 // Replace all those slots by the result of the recursive call.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1817 // The result type can be one of ref, int, long, float, double, void.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1818 // In the case of void, nothing is pushed on the stack after return.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1819 BasicType dest = ek_adapter_opt_collect_type(ek);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1820 assert(dest == type2wfield[dest], "dest is a stack slot type");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1821 int dest_count = type2size[dest];
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1822 assert(dest_count == 1 \|\| dest_count == 2 \|\| (dest_count == 0 && dest == T_VOID), "dest has a size");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1823
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1824 // Choose a return continuation.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1825 EntryKind ek_ret = _adapter_opt_return_any;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1826 if (dest != T_CONFLICT && OptimizeMethodHandles) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1827 switch (dest) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1828 case T_INT : ek_ret = _adapter_opt_return_int; break;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1829 case T_LONG : ek_ret = _adapter_opt_return_long; break;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1830 case T_FLOAT : ek_ret = _adapter_opt_return_float; break;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1831 case T_DOUBLE : ek_ret = _adapter_opt_return_double; break;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1832 case T_OBJECT : ek_ret = _adapter_opt_return_ref; break;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1833 case T_VOID : ek_ret = _adapter_opt_return_void; break;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1834 default : ShouldNotReachHere();
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1835 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1836 if (dest == T_OBJECT && dest_slot_constant >= 0) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1837 EntryKind ek_try = EntryKind(_adapter_opt_return_S0_ref + dest_slot_constant);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1838 if (ek_try <= _adapter_opt_return_LAST &&
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1839 ek_adapter_opt_return_slot(ek_try) == dest_slot_constant) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1840 ek_ret = ek_try;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1841 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1842 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1843 assert(ek_adapter_opt_return_type(ek_ret) == dest, "");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1844 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1845
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1846 // Already pushed: ... keep1 \| collect \| keep2 \|
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1847
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1848 // Push a few extra argument words, if we need them to store the return value.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1849 {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1850 int extra_slots = 0;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1851 if (retain_original_args) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1852 extra_slots = dest_count;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1853 } else if (collect_count_constant == -1) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1854 extra_slots = dest_count; // collect_count might be zero; be generous
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1855 } else if (dest_count > collect_count_constant) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1856 extra_slots = (dest_count - collect_count_constant);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1857 } else {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1858 // else we know we have enough dead space in \|collect\| to repurpose for return values
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1859 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1860 if (extra_slots != 0) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1861 __ sub(SP, round_to(extra_slots, 2) * Interpreter::stackElementSize, SP);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1862 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1863 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1864
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1865 // Set up Ricochet Frame.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1866 __ mov(SP, O5_savedSP); // record SP for the callee
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1867
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1868 // One extra (empty) slot for outgoing target MH (see Gargs computation below).
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1869 __ save_frame(2); // Note: we need to add 2 slots since frame::memory_parameter_word_sp_offset is 23.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1870
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1871 // Note: Gargs is live throughout the following, until we make our recursive call.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1872 // And the RF saves a copy in L4_saved_args_base.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1873
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1874 RicochetFrame::enter_ricochet_frame(_masm, G3_method_handle, Gargs,
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1875 entry(ek_ret)->from_interpreted_entry());
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1876
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1877 // Compute argument base:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1878 // Set up Gargs for current frame, extra (empty) slot is for outgoing target MH (space reserved by save_frame above).
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1879 __ add(FP, STACK_BIAS - (1 * Interpreter::stackElementSize), Gargs);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1880
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1881 // Now pushed: ... keep1 \| collect \| keep2 \| extra \| [RF]
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1882
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1883 #ifdef ASSERT
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1884 if (VerifyMethodHandles && dest != T_CONFLICT) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1885 BLOCK_COMMENT("verify AMH.conv.dest {");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1886 extract_conversion_dest_type(_masm, RicochetFrame::L5_conversion, O1_scratch);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1887 Label L_dest_ok;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1888 __ cmp(O1_scratch, (int) dest);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1889 __ br(Assembler::equal, false, Assembler::pt, L_dest_ok);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1890 __ delayed()->nop();
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1891 if (dest == T_INT) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1892 for (int bt = T_BOOLEAN; bt < T_INT; bt++) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1893 if (is_subword_type(BasicType(bt))) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1894 __ cmp(O1_scratch, (int) bt);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1895 __ br(Assembler::equal, false, Assembler::pt, L_dest_ok);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1896 __ delayed()->nop();
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1897 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1898 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1899 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1900 __ stop("bad dest in AMH.conv");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1901 __ BIND(L_dest_ok);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1902 BLOCK_COMMENT("} verify AMH.conv.dest");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1903 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1904 #endif //ASSERT
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1905
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1906 // Find out where the original copy of the recursive argument sequence begins.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1907 Register O0_coll = O0_scratch;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1908 {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1909 RegisterOrConstant collect_slot = collect_slot_constant;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1910 if (collect_slot_constant == -1) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1911 load_vmargslot(_masm, G3_amh_vmargslot, O1_scratch);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1912 collect_slot = O1_scratch;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1913 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1914 // collect_slot might be 0, but we need the move anyway.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1915 __ add(RicochetFrame::L4_saved_args_base, __ argument_offset(collect_slot, collect_slot.register_or_noreg()), O0_coll);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1916 // O0_coll now points at the trailing edge of \|collect\| and leading edge of \|keep2\|
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1917 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1918
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1919 // Replace the old AMH with the recursive MH. (No going back now.)
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1920 // In the case of a boxing call, the recursive call is to a 'boxer' method,
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1921 // such as Integer.valueOf or Long.valueOf. In the case of a filter
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1922 // or collect call, it will take one or more arguments, transform them,
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1923 // and return some result, to store back into argument_base[vminfo].
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1924 __ load_heap_oop(G3_amh_argument, G3_method_handle);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1925 if (VerifyMethodHandles) verify_method_handle(_masm, G3_method_handle, O1_scratch, O2_scratch);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1926
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1927 // Calculate \|collect\|, the number of arguments we are collecting.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1928 Register O1_collect_count = O1_scratch;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1929 RegisterOrConstant collect_count;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1930 if (collect_count_constant < 0) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1931 __ load_method_handle_vmslots(O1_collect_count, G3_method_handle, O2_scratch);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1932 collect_count = O1_collect_count;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1933 } else {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1934 collect_count = collect_count_constant;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1935 #ifdef ASSERT
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1936 if (VerifyMethodHandles) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1937 BLOCK_COMMENT("verify collect_count_constant {");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1938 __ load_method_handle_vmslots(O3_scratch, G3_method_handle, O2_scratch);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1939 Label L_count_ok;
3839 3d42f82cd811 7063628: Use cbcond on T4 kvn parents: 3808 diff changeset	1940 __ cmp_and_br_short(O3_scratch, collect_count_constant, Assembler::equal, Assembler::pt, L_count_ok);
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1941 __ stop("bad vminfo in AMH.conv");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1942 __ BIND(L_count_ok);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1943 BLOCK_COMMENT("} verify collect_count_constant");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1944 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1945 #endif //ASSERT
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1946 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1947
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1948 // copy \|collect\| slots directly to TOS:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1949 push_arg_slots(_masm, O0_coll, collect_count, O2_scratch, O3_scratch);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1950 // Now pushed: ... keep1 \| collect \| keep2 \| RF... \| collect \|
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1951 // O0_coll still points at the trailing edge of \|collect\| and leading edge of \|keep2\|
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1952
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1953 // If necessary, adjust the saved arguments to make room for the eventual return value.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1954 // Normal adjustment: ... keep1 \| +dest+ \| -collect- \| keep2 \| RF... \| collect \|
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1955 // If retaining args: ... keep1 \| +dest+ \| collect \| keep2 \| RF... \| collect \|
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1956 // In the non-retaining case, this might move keep2 either up or down.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1957 // We don't have to copy the whole \| RF... collect \| complex,
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1958 // but we must adjust RF.saved_args_base.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1959 // Also, from now on, we will forget about the original copy of \|collect\|.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1960 // If we are retaining it, we will treat it as part of \|keep2\|.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1961 // For clarity we will define \|keep3\| = \|collect\|keep2\| or \|keep2\|.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1962
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1963 BLOCK_COMMENT("adjust trailing arguments {");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1964 // Compare the sizes of \|+dest+\| and \|-collect-\|, which are opposed opening and closing movements.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1965 int open_count = dest_count;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1966 RegisterOrConstant close_count = collect_count_constant;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1967 Register O1_close_count = O1_collect_count;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1968 if (retain_original_args) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1969 close_count = constant(0);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1970 } else if (collect_count_constant == -1) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1971 close_count = O1_collect_count;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1972 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1973
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1974 // How many slots need moving? This is simply dest_slot (0 => no \|keep3\|).
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1975 RegisterOrConstant keep3_count;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1976 Register O2_keep3_count = O2_scratch;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1977 if (dest_slot_constant < 0) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1978 extract_conversion_vminfo(_masm, RicochetFrame::L5_conversion, O2_keep3_count);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1979 keep3_count = O2_keep3_count;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1980 } else {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1981 keep3_count = dest_slot_constant;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1982 #ifdef ASSERT
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1983 if (VerifyMethodHandles && dest_slot_constant < 0) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1984 BLOCK_COMMENT("verify dest_slot_constant {");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1985 extract_conversion_vminfo(_masm, RicochetFrame::L5_conversion, O3_scratch);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1986 Label L_vminfo_ok;
3839 3d42f82cd811 7063628: Use cbcond on T4 kvn parents: 3808 diff changeset	1987 __ cmp_and_br_short(O3_scratch, dest_slot_constant, Assembler::equal, Assembler::pt, L_vminfo_ok);
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1988 __ stop("bad vminfo in AMH.conv");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1989 __ BIND(L_vminfo_ok);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1990 BLOCK_COMMENT("} verify dest_slot_constant");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1991 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1992 #endif //ASSERT
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1993 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1994
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1995 // tasks remaining:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1996 bool move_keep3 = (!keep3_count.is_constant() \|\| keep3_count.as_constant() != 0);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1997 bool stomp_dest = (NOT_DEBUG(dest == T_OBJECT) DEBUG_ONLY(dest_count != 0));
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1998 bool fix_arg_base = (!close_count.is_constant() \|\| open_count != close_count.as_constant());
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1999
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2000 // Old and new argument locations (based at slot 0).
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2001 // Net shift (&new_argv - &old_argv) is (close_count - open_count).
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2002 bool zero_open_count = (open_count == 0); // remember this bit of info
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2003 if (move_keep3 && fix_arg_base) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2004 // It will be easier to have everything in one register:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2005 if (close_count.is_register()) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2006 // Deduct open_count from close_count register to get a clean +/- value.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2007 __ sub(close_count.as_register(), open_count, close_count.as_register());
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2008 } else {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2009 close_count = close_count.as_constant() - open_count;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2010 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2011 open_count = 0;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2012 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2013 Register L4_old_argv = RicochetFrame::L4_saved_args_base;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2014 Register O3_new_argv = O3_scratch;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2015 if (fix_arg_base) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2016 __ add(L4_old_argv, __ argument_offset(close_count, O4_scratch), O3_new_argv,
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2017 -(open_count * Interpreter::stackElementSize));
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2018 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2019
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2020 // First decide if any actual data are to be moved.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2021 // We can skip if (a) \|keep3\| is empty, or (b) the argument list size didn't change.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2022 // (As it happens, all movements involve an argument list size change.)
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2023
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2024 // If there are variable parameters, use dynamic checks to skip around the whole mess.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2025 Label L_done;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2026 if (keep3_count.is_register()) {
3839 3d42f82cd811 7063628: Use cbcond on T4 kvn parents: 3808 diff changeset	2027 __ cmp_and_br_short(keep3_count.as_register(), 0, Assembler::equal, Assembler::pn, L_done);
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2028 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2029 if (close_count.is_register()) {
3839 3d42f82cd811 7063628: Use cbcond on T4 kvn parents: 3808 diff changeset	2030 __ cmp_and_br_short(close_count.as_register(), open_count, Assembler::equal, Assembler::pn, L_done);
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2031 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2032
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2033 if (move_keep3 && fix_arg_base) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2034 bool emit_move_down = false, emit_move_up = false, emit_guard = false;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2035 if (!close_count.is_constant()) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2036 emit_move_down = emit_guard = !zero_open_count;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2037 emit_move_up = true;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2038 } else if (open_count != close_count.as_constant()) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2039 emit_move_down = (open_count > close_count.as_constant());
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2040 emit_move_up = !emit_move_down;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2041 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2042 Label L_move_up;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2043 if (emit_guard) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2044 __ cmp(close_count.as_register(), open_count);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2045 __ br(Assembler::greater, false, Assembler::pn, L_move_up);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2046 __ delayed()->nop();
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2047 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2048
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2049 if (emit_move_down) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2050 // Move arguments down if \|+dest+\| > \|-collect-\|
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2051 // (This is rare, except when arguments are retained.)
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2052 // This opens space for the return value.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2053 if (keep3_count.is_constant()) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2054 for (int i = 0; i < keep3_count.as_constant(); i++) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2055 __ ld_ptr( Address(L4_old_argv, i * Interpreter::stackElementSize), O4_scratch);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2056 __ st_ptr(O4_scratch, Address(O3_new_argv, i * Interpreter::stackElementSize) );
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2057 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2058 } else {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2059 // Live: O1_close_count, O2_keep3_count, O3_new_argv
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2060 Register argv_top = O0_scratch;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2061 __ add(L4_old_argv, __ argument_offset(keep3_count, O4_scratch), argv_top);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2062 move_arg_slots_down(_masm,
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2063 Address(L4_old_argv, 0), // beginning of old argv
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2064 argv_top, // end of old argv
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2065 close_count, // distance to move down (must be negative)
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2066 O4_scratch, G5_scratch);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2067 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2068 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2069
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2070 if (emit_guard) {
3839 3d42f82cd811 7063628: Use cbcond on T4 kvn parents: 3808 diff changeset	2071 __ ba_short(L_done); // assumes emit_move_up is true also
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2072 __ BIND(L_move_up);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2073 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2074
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2075 if (emit_move_up) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2076 // Move arguments up if \|+dest+\| < \|-collect-\|
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2077 // (This is usual, except when \|keep3\| is empty.)
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2078 // This closes up the space occupied by the now-deleted collect values.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2079 if (keep3_count.is_constant()) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2080 for (int i = keep3_count.as_constant() - 1; i >= 0; i--) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2081 __ ld_ptr( Address(L4_old_argv, i * Interpreter::stackElementSize), O4_scratch);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2082 __ st_ptr(O4_scratch, Address(O3_new_argv, i * Interpreter::stackElementSize) );
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2083 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2084 } else {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2085 Address argv_top(L4_old_argv, __ argument_offset(keep3_count, O4_scratch));
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2086 // Live: O1_close_count, O2_keep3_count, O3_new_argv
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2087 move_arg_slots_up(_masm,
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2088 L4_old_argv, // beginning of old argv
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2089 argv_top, // end of old argv
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2090 close_count, // distance to move up (must be positive)
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2091 O4_scratch, G5_scratch);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2092 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2093 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2094 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2095 __ BIND(L_done);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2096
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2097 if (fix_arg_base) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2098 // adjust RF.saved_args_base
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2099 __ mov(O3_new_argv, RicochetFrame::L4_saved_args_base);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2100 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2101
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2102 if (stomp_dest) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2103 // Stomp the return slot, so it doesn't hold garbage.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2104 // This isn't strictly necessary, but it may help detect bugs.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2105 __ set(RicochetFrame::RETURN_VALUE_PLACEHOLDER, O4_scratch);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2106 __ st_ptr(O4_scratch, Address(RicochetFrame::L4_saved_args_base,
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2107 __ argument_offset(keep3_count, keep3_count.register_or_noreg()))); // uses O2_keep3_count
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2108 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2109 BLOCK_COMMENT("} adjust trailing arguments");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2110
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2111 BLOCK_COMMENT("do_recursive_call");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2112 __ mov(SP, O5_savedSP); // record SP for the callee
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2113 __ set(ExternalAddress(SharedRuntime::ricochet_blob()->bounce_addr() - frame::pc_return_offset), O7);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2114 // The globally unique bounce address has two purposes:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2115 // 1. It helps the JVM recognize this frame (frame::is_ricochet_frame).
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2116 // 2. When returned to, it cuts back the stack and redirects control flow
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2117 // to the return handler.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2118 // The return handler will further cut back the stack when it takes
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2119 // down the RF. Perhaps there is a way to streamline this further.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2120
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2121 // State during recursive call:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2122 // ... keep1 \| dest \| dest=42 \| keep3 \| RF... \| collect \| bounce_pc \|
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2123 __ jump_to_method_handle_entry(G3_method_handle, O1_scratch);
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	2124 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	2125 break;
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	2126
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2127 case _adapter_opt_return_ref:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2128 case _adapter_opt_return_int:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2129 case _adapter_opt_return_long:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2130 case _adapter_opt_return_float:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2131 case _adapter_opt_return_double:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2132 case _adapter_opt_return_void:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2133 case _adapter_opt_return_S0_ref:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2134 case _adapter_opt_return_S1_ref:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2135 case _adapter_opt_return_S2_ref:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2136 case _adapter_opt_return_S3_ref:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2137 case _adapter_opt_return_S4_ref:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2138 case _adapter_opt_return_S5_ref:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2139 {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2140 BasicType dest_type_constant = ek_adapter_opt_return_type(ek);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2141 int dest_slot_constant = ek_adapter_opt_return_slot(ek);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2142
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2143 if (VerifyMethodHandles) RicochetFrame::verify_clean(_masm);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2144
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2145 if (dest_slot_constant == -1) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2146 // The current stub is a general handler for this dest_type.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2147 // It can be called from _adapter_opt_return_any below.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2148 // Stash the address in a little table.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2149 assert((dest_type_constant & CONV_TYPE_MASK) == dest_type_constant, "oob");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2150 address return_handler = __ pc();
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2151 _adapter_return_handlers[dest_type_constant] = return_handler;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2152 if (dest_type_constant == T_INT) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2153 // do the subword types too
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2154 for (int bt = T_BOOLEAN; bt < T_INT; bt++) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2155 if (is_subword_type(BasicType(bt)) &&
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2156 _adapter_return_handlers[bt] == NULL) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2157 _adapter_return_handlers[bt] = return_handler;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2158 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2159 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2160 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2161 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2162
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2163 // On entry to this continuation handler, make Gargs live again.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2164 __ mov(RicochetFrame::L4_saved_args_base, Gargs);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2165
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2166 Register O7_temp = O7;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2167 Register O5_vminfo = O5;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2168
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2169 RegisterOrConstant dest_slot = dest_slot_constant;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2170 if (dest_slot_constant == -1) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2171 extract_conversion_vminfo(_masm, RicochetFrame::L5_conversion, O5_vminfo);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2172 dest_slot = O5_vminfo;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2173 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2174 // Store the result back into the argslot.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2175 // This code uses the interpreter calling sequence, in which the return value
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2176 // is usually left in the TOS register, as defined by InterpreterMacroAssembler::pop.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2177 // There are certain irregularities with floating point values, which can be seen
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2178 // in TemplateInterpreterGenerator::generate_return_entry_for.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2179 move_return_value(_masm, dest_type_constant, __ argument_address(dest_slot, O7_temp));
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2180
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2181 RicochetFrame::leave_ricochet_frame(_masm, G3_method_handle, I5_savedSP, I7);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2182
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2183 // Load the final target and go.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2184 if (VerifyMethodHandles) verify_method_handle(_masm, G3_method_handle, O0_scratch, O1_scratch);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2185 __ restore(I5_savedSP, G0, SP);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2186 __ jump_to_method_handle_entry(G3_method_handle, O0_scratch);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2187 __ illtrap(0);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2188 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2189 break;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2190
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2191 case _adapter_opt_return_any:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2192 {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2193 Register O7_temp = O7;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2194 Register O5_dest_type = O5;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2195
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2196 if (VerifyMethodHandles) RicochetFrame::verify_clean(_masm);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2197 extract_conversion_dest_type(_masm, RicochetFrame::L5_conversion, O5_dest_type);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2198 __ set(ExternalAddress((address) &_adapter_return_handlers[0]), O7_temp);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2199 __ sll_ptr(O5_dest_type, LogBytesPerWord, O5_dest_type);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2200 __ ld_ptr(O7_temp, O5_dest_type, O7_temp);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2201
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2202 #ifdef ASSERT
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2203 { Label L_ok;
3839 3d42f82cd811 7063628: Use cbcond on T4 kvn parents: 3808 diff changeset	2204 __ br_notnull_short(O7_temp, Assembler::pt, L_ok);
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2205 __ stop("bad method handle return");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2206 __ BIND(L_ok);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2207 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2208 #endif //ASSERT
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2209 __ JMP(O7_temp, 0);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2210 __ delayed()->nop();
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2211 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2212 break;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2213
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2214 case _adapter_opt_spread_0:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2215 case _adapter_opt_spread_1_ref:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2216 case _adapter_opt_spread_2_ref:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2217 case _adapter_opt_spread_3_ref:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2218 case _adapter_opt_spread_4_ref:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2219 case _adapter_opt_spread_5_ref:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2220 case _adapter_opt_spread_ref:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2221 case _adapter_opt_spread_byte:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2222 case _adapter_opt_spread_char:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2223 case _adapter_opt_spread_short:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2224 case _adapter_opt_spread_int:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2225 case _adapter_opt_spread_long:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2226 case _adapter_opt_spread_float:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2227 case _adapter_opt_spread_double:
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2228 {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2229 // spread an array out into a group of arguments
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2230 int length_constant = ek_adapter_opt_spread_count(ek);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2231 bool length_can_be_zero = (length_constant == 0);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2232 if (length_constant < 0) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2233 // some adapters with variable length must handle the zero case
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2234 if (!OptimizeMethodHandles \|\|
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2235 ek_adapter_opt_spread_type(ek) != T_OBJECT)
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2236 length_can_be_zero = true;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2237 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2238
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2239 // find the address of the array argument
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2240 load_vmargslot(_masm, G3_amh_vmargslot, O0_argslot);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2241 __ add(__ argument_address(O0_argslot, O0_argslot), O0_argslot);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2242
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2243 // O0_argslot points both to the array and to the first output arg
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2244 Address vmarg = Address(O0_argslot, 0);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2245
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2246 // Get the array value.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2247 Register O1_array = O1_scratch;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2248 Register O2_array_klass = O2_scratch;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2249 BasicType elem_type = ek_adapter_opt_spread_type(ek);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2250 int elem_slots = type2size[elem_type]; // 1 or 2
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2251 int array_slots = 1; // array is always a T_OBJECT
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2252 int length_offset = arrayOopDesc::length_offset_in_bytes();
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2253 int elem0_offset = arrayOopDesc::base_offset_in_bytes(elem_type);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2254 __ ld_ptr(vmarg, O1_array);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2255
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2256 Label L_array_is_empty, L_insert_arg_space, L_copy_args, L_args_done;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2257 if (length_can_be_zero) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2258 // handle the null pointer case, if zero is allowed
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2259 Label L_skip;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2260 if (length_constant < 0) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2261 load_conversion_vminfo(_masm, G3_amh_conversion, O3_scratch);
3839 3d42f82cd811 7063628: Use cbcond on T4 kvn parents: 3808 diff changeset	2262 __ cmp_zero_and_br(Assembler::notZero, O3_scratch, L_skip);
3d42f82cd811 7063628: Use cbcond on T4 kvn parents: 3808 diff changeset	2263 __ delayed()->nop(); // to avoid back-to-back cbcond instructions
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2264 }
3839 3d42f82cd811 7063628: Use cbcond on T4 kvn parents: 3808 diff changeset	2265 __ br_null_short(O1_array, Assembler::pn, L_array_is_empty);
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2266 __ BIND(L_skip);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2267 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2268 __ null_check(O1_array, oopDesc::klass_offset_in_bytes());
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2269 __ load_klass(O1_array, O2_array_klass);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2270
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2271 // Check the array type.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2272 Register O3_klass = O3_scratch;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2273 __ load_heap_oop(G3_amh_argument, O3_klass); // this is a Class object!
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2274 load_klass_from_Class(_masm, O3_klass, O4_scratch, G5_scratch);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2275
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2276 Label L_ok_array_klass, L_bad_array_klass, L_bad_array_length;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2277 __ check_klass_subtype(O2_array_klass, O3_klass, O4_scratch, G5_scratch, L_ok_array_klass);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2278 // If we get here, the type check failed!
3839 3d42f82cd811 7063628: Use cbcond on T4 kvn parents: 3808 diff changeset	2279 __ ba_short(L_bad_array_klass);
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2280 __ BIND(L_ok_array_klass);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2281
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2282 // Check length.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2283 if (length_constant >= 0) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2284 __ ldsw(Address(O1_array, length_offset), O4_scratch);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2285 __ cmp(O4_scratch, length_constant);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2286 } else {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2287 Register O3_vminfo = O3_scratch;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2288 load_conversion_vminfo(_masm, G3_amh_conversion, O3_vminfo);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2289 __ ldsw(Address(O1_array, length_offset), O4_scratch);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2290 __ cmp(O3_vminfo, O4_scratch);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2291 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2292 __ br(Assembler::notEqual, false, Assembler::pn, L_bad_array_length);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2293 __ delayed()->nop();
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2294
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2295 Register O2_argslot_limit = O2_scratch;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2296
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2297 // Array length checks out. Now insert any required stack slots.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2298 if (length_constant == -1) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2299 // Form a pointer to the end of the affected region.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2300 __ add(O0_argslot, Interpreter::stackElementSize, O2_argslot_limit);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2301 // 'stack_move' is negative number of words to insert
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2302 // This number already accounts for elem_slots.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2303 Register O3_stack_move = O3_scratch;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2304 load_stack_move(_masm, G3_amh_conversion, O3_stack_move);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2305 __ cmp(O3_stack_move, 0);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2306 assert(stack_move_unit() < 0, "else change this comparison");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2307 __ br(Assembler::less, false, Assembler::pn, L_insert_arg_space);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2308 __ delayed()->nop();
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2309 __ br(Assembler::equal, false, Assembler::pn, L_copy_args);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2310 __ delayed()->nop();
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2311 // single argument case, with no array movement
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2312 __ BIND(L_array_is_empty);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2313 remove_arg_slots(_masm, -stack_move_unit() * array_slots,
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2314 O0_argslot, O1_scratch, O2_scratch, O3_scratch);
3839 3d42f82cd811 7063628: Use cbcond on T4 kvn parents: 3808 diff changeset	2315 __ ba_short(L_args_done); // no spreading to do
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2316 __ BIND(L_insert_arg_space);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2317 // come here in the usual case, stack_move < 0 (2 or more spread arguments)
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2318 // Live: O1_array, O2_argslot_limit, O3_stack_move
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2319 insert_arg_slots(_masm, O3_stack_move,
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2320 O0_argslot, O4_scratch, G5_scratch, O1_scratch);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2321 // reload from rdx_argslot_limit since rax_argslot is now decremented
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2322 __ ld_ptr(Address(O2_argslot_limit, -Interpreter::stackElementSize), O1_array);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2323 } else if (length_constant >= 1) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2324 int new_slots = (length_constant * elem_slots) - array_slots;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2325 insert_arg_slots(_masm, new_slots * stack_move_unit(),
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2326 O0_argslot, O2_scratch, O3_scratch, O4_scratch);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2327 } else if (length_constant == 0) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2328 __ BIND(L_array_is_empty);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2329 remove_arg_slots(_masm, -stack_move_unit() * array_slots,
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2330 O0_argslot, O1_scratch, O2_scratch, O3_scratch);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2331 } else {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2332 ShouldNotReachHere();
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2333 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2334
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2335 // Copy from the array to the new slots.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2336 // Note: Stack change code preserves integrity of O0_argslot pointer.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2337 // So even after slot insertions, O0_argslot still points to first argument.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2338 // Beware: Arguments that are shallow on the stack are deep in the array,
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2339 // and vice versa. So a downward-growing stack (the usual) has to be copied
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2340 // elementwise in reverse order from the source array.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2341 __ BIND(L_copy_args);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2342 if (length_constant == -1) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2343 // [O0_argslot, O2_argslot_limit) is the area we are inserting into.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2344 // Array element [0] goes at O0_argslot_limit[-wordSize].
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2345 Register O1_source = O1_array;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2346 __ add(Address(O1_array, elem0_offset), O1_source);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2347 Register O4_fill_ptr = O4_scratch;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2348 __ mov(O2_argslot_limit, O4_fill_ptr);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2349 Label L_loop;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2350 __ BIND(L_loop);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2351 __ add(O4_fill_ptr, -Interpreter::stackElementSize * elem_slots, O4_fill_ptr);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2352 move_typed_arg(_masm, elem_type, true,
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2353 Address(O1_source, 0), Address(O4_fill_ptr, 0),
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2354 O2_scratch); // must be an even register for !_LP64 long moves (uses O2/O3)
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2355 __ add(O1_source, type2aelembytes(elem_type), O1_source);
3839 3d42f82cd811 7063628: Use cbcond on T4 kvn parents: 3808 diff changeset	2356 __ cmp_and_brx_short(O4_fill_ptr, O0_argslot, Assembler::greaterUnsigned, Assembler::pt, L_loop);
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2357 } else if (length_constant == 0) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2358 // nothing to copy
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2359 } else {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2360 int elem_offset = elem0_offset;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2361 int slot_offset = length_constant * Interpreter::stackElementSize;
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2362 for (int index = 0; index < length_constant; index++) {
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2363 slot_offset -= Interpreter::stackElementSize * elem_slots; // fill backward
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2364 move_typed_arg(_masm, elem_type, true,
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2365 Address(O1_array, elem_offset), Address(O0_argslot, slot_offset),
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2366 O2_scratch); // must be an even register for !_LP64 long moves (uses O2/O3)
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2367 elem_offset += type2aelembytes(elem_type);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2368 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2369 }
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2370 __ BIND(L_args_done);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2371
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2372 // Arguments are spread. Move to next method handle.
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2373 __ load_heap_oop(G3_mh_vmtarget, G3_method_handle);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2374 __ jump_to_method_handle_entry(G3_method_handle, O1_scratch);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2375
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2376 __ BIND(L_bad_array_klass);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2377 assert(!vmarg.uses(O2_required), "must be different registers");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2378 __ load_heap_oop(Address(O2_array_klass, java_mirror_offset), O2_required); // required class
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2379 __ ld_ptr( vmarg, O1_actual); // bad object
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2380 __ jump_to(AddressLiteral(from_interpreted_entry(_raise_exception)), O3_scratch);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2381 __ delayed()->mov(Bytecodes::_aaload, O0_code); // who is complaining?
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2382
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2383 __ bind(L_bad_array_length);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2384 assert(!vmarg.uses(O2_required), "must be different registers");
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2385 __ mov( G3_method_handle, O2_required); // required class
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2386 __ ld_ptr(vmarg, O1_actual); // bad object
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2387 __ jump_to(AddressLiteral(from_interpreted_entry(_raise_exception)), O3_scratch);
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2388 __ delayed()->mov(Bytecodes::_arraylength, O0_code); // who is complaining?
f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2389 }
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	2390 break;
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	2391
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	2392 default:
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2393 DEBUG_ONLY(tty->print_cr("bad ek=%d (%s)", (int)ek, entry_name(ek)));
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	2394 ShouldNotReachHere();
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	2395 }
3442 f7d55ea6ee56 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2396 BLOCK_COMMENT(err_msg("} Entry %s", entry_name(ek)));
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	2397
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	2398 address me_cookie = MethodHandleEntry::start_compiled_entry(_masm, interp_entry);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	2399 __ unimplemented(entry_name(ek)); // %%% FIXME: NYI
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	2400
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	2401 init_entry(ek, MethodHandleEntry::finish_compiled_entry(_masm, me_cookie));
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	2402 }

Mercurial > hg > truffle

annotate src/cpu/sparc/vm/methodHandles_sparc.cpp @ 4979:18a5539bf19b