truffle: src/cpu/sparc/vm/methodHandles

annotate src/cpu/sparc/vm/methodHandles_sparc.cpp @ 3757:f8c9417e3571

7052219: JSR 292: Crash in ~BufferBlob::MethodHandles adapters Reviewed-by: twisti, kvn, jrose

author	never
date	Tue, 14 Jun 2011 14:41:33 -0700
parents	cba7b5c2d53f
children	38fa55e5e792

rev	line source
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1 /*
2116 d810e9a3fc33 7010180: JSR 292 InvokeDynamicPrintArgs fails with: assert(_adapter == NULL) failed: init'd to NULL twisti parents: 2088 diff changeset	2 * Copyright (c) 2008, 2011, 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
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	72 // stack walking support
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	73
cba7b5c2d53f 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) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	75 //RicochetFrame* f = RicochetFrame::from_frame(fr);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	76 // Cf. is_interpreted_frame path of frame::sender
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	77 intptr_t* younger_sp = fr.sp();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	78 intptr_t* sp = fr.sender_sp();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	79 map->make_integer_regs_unsaved();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	80 map->shift_window(sp, younger_sp);
cba7b5c2d53f 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
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	82 return frame(sp, younger_sp, this_frame_adjusted_stack);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	83 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	84
cba7b5c2d53f 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) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	86 ResourceMark rm;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	87 RicochetFrame* f = RicochetFrame::from_frame(fr);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	88
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	89 // pick up the argument type descriptor:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	90 Thread* thread = Thread::current();
cba7b5c2d53f 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));
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	92
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	93 // process fixed part
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	94 blk->do_oop((oop*)f->saved_target_addr());
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	95 blk->do_oop((oop*)f->saved_args_layout_addr());
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	96
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	97 // process variable arguments:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	98 if (cookie.is_null()) return; // no arguments to describe
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	99
cba7b5c2d53f 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
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	101 // his argument signature is what I'm interested in
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	102 assert(cookie->is_method(), "");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	103 methodHandle invoker(thread, methodOop(cookie()));
cba7b5c2d53f 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");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	105 assert(!invoker->is_static(), "must have MH argument");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	106 int slot_count = invoker->size_of_parameters();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	107 assert(slot_count >= 1, "must include 'this'");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	108 intptr_t* base = f->saved_args_base();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	109 intptr_t* retval = NULL;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	110 if (f->has_return_value_slot())
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	111 retval = f->return_value_slot_addr();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	112 int slot_num = slot_count - 1;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	113 intptr_t* loc = &base[slot_num];
cba7b5c2d53f 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
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	115 int arg_num = 0;
cba7b5c2d53f 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()) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	117 if (ss.at_return_type()) continue;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	118 BasicType ptype = ss.type();
cba7b5c2d53f 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
cba7b5c2d53f 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");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	121 slot_num -= type2size[ptype];
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	122 loc = &base[slot_num];
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	123 bool is_oop = (ptype == T_OBJECT && loc != retval);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	124 if (is_oop) blk->do_oop((oop*)loc);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	125 arg_num += 1;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	126 }
cba7b5c2d53f 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");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	128 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	129
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	130 // Ricochet Frames
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	131 const Register MethodHandles::RicochetFrame::L1_continuation = L1;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	132 const Register MethodHandles::RicochetFrame::L2_saved_target = L2;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	133 const Register MethodHandles::RicochetFrame::L3_saved_args_layout = L3;
cba7b5c2d53f 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
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	135 const Register MethodHandles::RicochetFrame::L5_conversion = L5;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	136 #ifdef ASSERT
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	137 const Register MethodHandles::RicochetFrame::L0_magic_number_1 = L0;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	138 #endif //ASSERT
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	139
cba7b5c2d53f 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) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	141 if (read_cache) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	142 oop cookie = saved_args_layout();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	143 if (cookie != NULL) return cookie;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	144 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	145 oop target = saved_target();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	146 oop mtype = java_lang_invoke_MethodHandle::type(target);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	147 oop mtform = java_lang_invoke_MethodType::form(mtype);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	148 oop cookie = java_lang_invoke_MethodTypeForm::vmlayout(mtform);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	149 if (write_cache) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	150 (*saved_args_layout_addr()) = cookie;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	151 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	152 return cookie;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	153 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	154
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	155 void MethodHandles::RicochetFrame::generate_ricochet_blob(MacroAssembler* _masm,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	156 // output params:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	157 int* bounce_offset,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	158 int* exception_offset,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	159 int* frame_size_in_words) {
cba7b5c2d53f 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;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	161
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	162 address start = __ pc();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	163
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	164 #ifdef ASSERT
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	165 __ illtrap(0); __ illtrap(0); __ illtrap(0);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	166 // here's a hint of something special:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	167 __ set(MAGIC_NUMBER_1, G0);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	168 __ set(MAGIC_NUMBER_2, G0);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	169 #endif //ASSERT
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	170 __ illtrap(0); // not reached
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	171
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	172 // Return values are in registers.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	173 // L1_continuation contains a cleanup continuation we must return
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	174 // to.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	175
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	176 (*bounce_offset) = __ pc() - start;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	177 BLOCK_COMMENT("ricochet_blob.bounce");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	178
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	179 if (VerifyMethodHandles) RicochetFrame::verify_clean(_masm);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	180 trace_method_handle(_masm, "ricochet_blob.bounce");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	181
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	182 __ JMP(L1_continuation, 0);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	183 __ delayed()->nop();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	184 __ illtrap(0);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	185
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	186 DEBUG_ONLY(__ set(MAGIC_NUMBER_2, G0));
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	187
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	188 (*exception_offset) = __ pc() - start;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	189 BLOCK_COMMENT("ricochet_blob.exception");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	190
cba7b5c2d53f 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
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	192 // for example, see TemplateInterpreterGenerator::generate_throw_exception
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	193 // Live registers in:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	194 // Oexception (O0): exception
cba7b5c2d53f 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)
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	196 __ verify_oop(Oexception);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	197
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	198 // Take down the frame.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	199
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	200 // Cf. InterpreterMacroAssembler::remove_activation.
cba7b5c2d53f 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);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	202
cba7b5c2d53f 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.
cba7b5c2d53f 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
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	205 // the following registers set up:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	206 //
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	207 // Oexception: exception
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	208 // Oissuing_pc: the local call that threw exception
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	209 // Other On: garbage
cba7b5c2d53f 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
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	211 //
cba7b5c2d53f 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
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	213 // need to preserve some state across a runtime call.
cba7b5c2d53f 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
cba7b5c2d53f 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.)
cba7b5c2d53f 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
cba7b5c2d53f 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
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	218 __ call_VM_leaf(L7_thread_cache,
cba7b5c2d53f 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),
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	220 G2_thread, Oissuing_pc->after_save());
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	221
cba7b5c2d53f 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
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	223 // the callee's non-argument locals. Undo that adjustment.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	224 __ JMP(O0, 0); // return exception handler in caller
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	225 __ delayed()->restore(I5_savedSP, G0, SP);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	226
cba7b5c2d53f 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)
cba7b5c2d53f 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
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	229 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	230
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	231 void MethodHandles::RicochetFrame::enter_ricochet_frame(MacroAssembler* _masm,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	232 Register recv_reg,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	233 Register argv_reg,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	234 address return_handler) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	235 // does not include the __ save()
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	236 assert(argv_reg == Gargs, "");
cba7b5c2d53f 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());
cba7b5c2d53f 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());
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	239
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	240 // Create the RicochetFrame.
cba7b5c2d53f 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
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	242 // registers.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	243 BLOCK_COMMENT("push RicochetFrame {");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	244 __ set(ExternalAddress(return_handler), L1_continuation);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	245 __ load_heap_oop(G3_mh_vmtarget, L2_saved_target);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	246 __ mov(G0, L3_saved_args_layout);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	247 __ mov(Gargs, L4_saved_args_base);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	248 __ lduw(G3_amh_conversion, L5_conversion); // 32-bit field
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	249 // I5, I6, I7 are already set up
cba7b5c2d53f 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));
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	251 BLOCK_COMMENT("} RicochetFrame");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	252 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	253
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	254 void MethodHandles::RicochetFrame::leave_ricochet_frame(MacroAssembler* _masm,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	255 Register recv_reg,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	256 Register new_sp_reg,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	257 Register sender_pc_reg) {
cba7b5c2d53f 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");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	259 assert(sender_pc_reg == I7, "in a fixed place");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	260 // does not include the __ ret() & __ restore()
cba7b5c2d53f 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);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	262 // Take down the frame.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	263 // Cf. InterpreterMacroAssembler::remove_activation.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	264 BLOCK_COMMENT("end_ricochet_frame {");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	265 if (recv_reg->is_valid())
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	266 __ mov(L2_saved_target, recv_reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	267 BLOCK_COMMENT("} end_ricochet_frame");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	268 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	269
cba7b5c2d53f 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.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	271 #ifdef ASSERT
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	272 enum {
3757 f8c9417e3571 7052219: JSR 292: Crash in ~BufferBlob::MethodHandles adapters never parents: 3753 diff changeset	273 ARG_LIMIT = 255, SLOP = 45,
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	274 // use this parameter for checking for garbage stack movements:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	275 UNREASONABLE_STACK_MOVE = (ARG_LIMIT + SLOP)
cba7b5c2d53f 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
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	277 };
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	278
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	279 void MethodHandles::RicochetFrame::verify_clean(MacroAssembler* _masm) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	280 // The stack should look like this:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	281 // ... keep1 \| dest=42 \| keep2 \| magic \| handler \| magic \| recursive args \| [RF]
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	282 // Check various invariants.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	283
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	284 Register O7_temp = O7, O5_temp = O5;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	285
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	286 Label L_ok_1, L_ok_2, L_ok_3, L_ok_4;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	287 BLOCK_COMMENT("verify_clean {");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	288 // Magic numbers must check out:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	289 __ set((int32_t) MAGIC_NUMBER_1, O7_temp);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	290 __ cmp(O7_temp, L0_magic_number_1);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	291 __ br(Assembler::equal, false, Assembler::pt, L_ok_1);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	292 __ delayed()->nop();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	293 __ stop("damaged ricochet frame: MAGIC_NUMBER_1 not found");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	294
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	295 __ BIND(L_ok_1);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	296
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	297 // Arguments pointer must look reasonable:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	298 #ifdef _LP64
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	299 Register FP_temp = O5_temp;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	300 __ add(FP, STACK_BIAS, FP_temp);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	301 #else
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	302 Register FP_temp = FP;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	303 #endif
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	304 __ cmp(L4_saved_args_base, FP_temp);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	305 __ br(Assembler::greaterEqualUnsigned, false, Assembler::pt, L_ok_2);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	306 __ delayed()->nop();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	307 __ stop("damaged ricochet frame: L4 < FP");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	308
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	309 __ BIND(L_ok_2);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	310 __ sub(L4_saved_args_base, UNREASONABLE_STACK_MOVE * Interpreter::stackElementSize, O7_temp);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	311 __ cmp(O7_temp, FP_temp);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	312 __ br(Assembler::lessEqualUnsigned, false, Assembler::pt, L_ok_3);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	313 __ delayed()->nop();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	314 __ stop("damaged ricochet frame: (L4 - UNREASONABLE_STACK_MOVE) > FP");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	315
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	316 __ BIND(L_ok_3);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	317 extract_conversion_dest_type(_masm, L5_conversion, O7_temp);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	318 __ cmp(O7_temp, T_VOID);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	319 __ br(Assembler::equal, false, Assembler::pt, L_ok_4);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	320 __ delayed()->nop();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	321 extract_conversion_vminfo(_masm, L5_conversion, O5_temp);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	322 __ ld_ptr(L4_saved_args_base, __ argument_offset(O5_temp, O5_temp), O7_temp);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	323 assert(__ is_simm13(RETURN_VALUE_PLACEHOLDER), "must be simm13");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	324 __ cmp(O7_temp, (int32_t) RETURN_VALUE_PLACEHOLDER);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	325 __ brx(Assembler::equal, false, Assembler::pt, L_ok_4);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	326 __ delayed()->nop();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	327 __ stop("damaged ricochet frame: RETURN_VALUE_PLACEHOLDER not found");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	328 __ BIND(L_ok_4);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	329 BLOCK_COMMENT("} verify_clean");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	330 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	331 #endif //ASSERT
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	332
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	333 void MethodHandles::load_klass_from_Class(MacroAssembler* _masm, Register klass_reg, Register temp_reg, Register temp2_reg) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	334 if (VerifyMethodHandles)
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	335 verify_klass(_masm, klass_reg, SystemDictionaryHandles::Class_klass(), temp_reg, temp2_reg,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	336 "AMH argument is a Class");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	337 __ load_heap_oop(Address(klass_reg, java_lang_Class::klass_offset_in_bytes()), klass_reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	338 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	339
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	340 void MethodHandles::load_conversion_vminfo(MacroAssembler* _masm, Address conversion_field_addr, Register reg) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	341 assert(CONV_VMINFO_SHIFT == 0, "preshifted");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	342 assert(CONV_VMINFO_MASK == right_n_bits(BitsPerByte), "else change type of following load");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	343 __ ldub(conversion_field_addr.plus_disp(BytesPerInt - 1), reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	344 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	345
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	346 void MethodHandles::extract_conversion_vminfo(MacroAssembler* _masm, Register conversion_field_reg, Register reg) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	347 assert(CONV_VMINFO_SHIFT == 0, "preshifted");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	348 __ and3(conversion_field_reg, CONV_VMINFO_MASK, reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	349 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	350
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	351 void MethodHandles::extract_conversion_dest_type(MacroAssembler* _masm, Register conversion_field_reg, Register reg) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	352 __ srl(conversion_field_reg, CONV_DEST_TYPE_SHIFT, reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	353 __ and3(reg, 0x0F, reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	354 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	355
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	356 void MethodHandles::load_stack_move(MacroAssembler* _masm,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	357 Address G3_amh_conversion,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	358 Register stack_move_reg) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	359 BLOCK_COMMENT("load_stack_move {");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	360 __ ldsw(G3_amh_conversion, stack_move_reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	361 __ sra(stack_move_reg, CONV_STACK_MOVE_SHIFT, stack_move_reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	362 if (VerifyMethodHandles) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	363 Label L_ok, L_bad;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	364 int32_t stack_move_limit = 0x0800; // extra-large
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	365 __ cmp(stack_move_reg, stack_move_limit);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	366 __ br(Assembler::greaterEqual, false, Assembler::pn, L_bad);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	367 __ delayed()->nop();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	368 __ cmp(stack_move_reg, -stack_move_limit);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	369 __ br(Assembler::greater, false, Assembler::pt, L_ok);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	370 __ delayed()->nop();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	371 __ BIND(L_bad);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	372 __ stop("load_stack_move of garbage value");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	373 __ BIND(L_ok);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	374 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	375 BLOCK_COMMENT("} load_stack_move");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	376 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	377
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	378 #ifdef ASSERT
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	379 void MethodHandles::RicochetFrame::verify() const {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	380 assert(magic_number_1() == MAGIC_NUMBER_1, "");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	381 if (!Universe::heap()->is_gc_active()) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	382 if (saved_args_layout() != NULL) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	383 assert(saved_args_layout()->is_method(), "must be valid oop");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	384 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	385 if (saved_target() != NULL) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	386 assert(java_lang_invoke_MethodHandle::is_instance(saved_target()), "checking frame value");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	387 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	388 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	389 int conv_op = adapter_conversion_op(conversion());
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	390 assert(conv_op == java_lang_invoke_AdapterMethodHandle::OP_COLLECT_ARGS \|\|
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	391 conv_op == java_lang_invoke_AdapterMethodHandle::OP_FOLD_ARGS \|\|
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	392 conv_op == java_lang_invoke_AdapterMethodHandle::OP_PRIM_TO_REF,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	393 "must be a sane conversion");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	394 if (has_return_value_slot()) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	395 assert(*return_value_slot_addr() == RETURN_VALUE_PLACEHOLDER, "");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	396 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	397 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	398
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	399 void MethodHandles::verify_argslot(MacroAssembler* _masm, Register argslot_reg, Register temp_reg, const char* error_message) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	400 // Verify that argslot lies within (Gargs, FP].
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	401 Label L_ok, L_bad;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	402 BLOCK_COMMENT("verify_argslot {");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	403 __ add(FP, STACK_BIAS, temp_reg); // STACK_BIAS is zero on !_LP64
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	404 __ cmp(argslot_reg, temp_reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	405 __ brx(Assembler::greaterUnsigned, false, Assembler::pn, L_bad);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	406 __ delayed()->nop();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	407 __ cmp(Gargs, argslot_reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	408 __ brx(Assembler::lessEqualUnsigned, false, Assembler::pt, L_ok);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	409 __ delayed()->nop();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	410 __ BIND(L_bad);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	411 __ stop(error_message);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	412 __ BIND(L_ok);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	413 BLOCK_COMMENT("} verify_argslot");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	414 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	415
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	416 void MethodHandles::verify_argslots(MacroAssembler* _masm,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	417 RegisterOrConstant arg_slots,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	418 Register arg_slot_base_reg,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	419 Register temp_reg,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	420 Register temp2_reg,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	421 bool negate_argslots,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	422 const char* error_message) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	423 // Verify that [argslot..argslot+size) lies within (Gargs, FP).
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	424 Label L_ok, L_bad;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	425 BLOCK_COMMENT("verify_argslots {");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	426 if (negate_argslots) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	427 if (arg_slots.is_constant()) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	428 arg_slots = -1 * arg_slots.as_constant();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	429 } else {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	430 __ neg(arg_slots.as_register(), temp_reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	431 arg_slots = temp_reg;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	432 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	433 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	434 __ add(arg_slot_base_reg, __ argument_offset(arg_slots, temp_reg), temp_reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	435 __ add(FP, STACK_BIAS, temp2_reg); // STACK_BIAS is zero on !_LP64
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	436 __ cmp(temp_reg, temp2_reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	437 __ brx(Assembler::greaterUnsigned, false, Assembler::pn, L_bad);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	438 __ delayed()->nop();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	439 // Gargs points to the first word so adjust by BytesPerWord
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	440 __ add(arg_slot_base_reg, BytesPerWord, temp_reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	441 __ cmp(Gargs, temp_reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	442 __ brx(Assembler::lessEqualUnsigned, false, Assembler::pt, L_ok);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	443 __ delayed()->nop();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	444 __ BIND(L_bad);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	445 __ stop(error_message);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	446 __ BIND(L_ok);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	447 BLOCK_COMMENT("} verify_argslots");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	448 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	449
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	450 // Make sure that arg_slots has the same sign as the given direction.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	451 // If (and only if) arg_slots is a assembly-time constant, also allow it to be zero.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	452 void MethodHandles::verify_stack_move(MacroAssembler* _masm,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	453 RegisterOrConstant arg_slots, int direction) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	454 enum { UNREASONABLE_STACK_MOVE = 256 * 4 }; // limit of 255 arguments
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	455 bool allow_zero = arg_slots.is_constant();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	456 if (direction == 0) { direction = +1; allow_zero = true; }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	457 assert(stack_move_unit() == -1, "else add extra checks here");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	458 if (arg_slots.is_register()) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	459 Label L_ok, L_bad;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	460 BLOCK_COMMENT("verify_stack_move {");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	461 // __ btst(-stack_move_unit() - 1, arg_slots.as_register()); // no need
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	462 // __ br(Assembler::notZero, false, Assembler::pn, L_bad);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	463 // __ delayed()->nop();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	464 __ cmp(arg_slots.as_register(), (int32_t) NULL_WORD);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	465 if (direction > 0) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	466 __ br(allow_zero ? Assembler::less : Assembler::lessEqual, false, Assembler::pn, L_bad);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	467 __ delayed()->nop();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	468 __ cmp(arg_slots.as_register(), (int32_t) UNREASONABLE_STACK_MOVE);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	469 __ br(Assembler::less, false, Assembler::pn, L_ok);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	470 __ delayed()->nop();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	471 } else {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	472 __ br(allow_zero ? Assembler::greater : Assembler::greaterEqual, false, Assembler::pn, L_bad);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	473 __ delayed()->nop();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	474 __ cmp(arg_slots.as_register(), (int32_t) -UNREASONABLE_STACK_MOVE);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	475 __ br(Assembler::greater, false, Assembler::pn, L_ok);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	476 __ delayed()->nop();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	477 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	478 __ BIND(L_bad);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	479 if (direction > 0)
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	480 __ stop("assert arg_slots > 0");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	481 else
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	482 __ stop("assert arg_slots < 0");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	483 __ BIND(L_ok);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	484 BLOCK_COMMENT("} verify_stack_move");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	485 } else {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	486 intptr_t size = arg_slots.as_constant();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	487 if (direction < 0) size = -size;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	488 assert(size >= 0, "correct direction of constant move");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	489 assert(size < UNREASONABLE_STACK_MOVE, "reasonable size of constant move");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	490 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	491 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	492
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	493 void MethodHandles::verify_klass(MacroAssembler* _masm,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	494 Register obj_reg, KlassHandle klass,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	495 Register temp_reg, Register temp2_reg,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	496 const char* error_message) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	497 oop* klass_addr = klass.raw_value();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	498 assert(klass_addr >= SystemDictionaryHandles::Object_klass().raw_value() &&
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	499 klass_addr <= SystemDictionaryHandles::Long_klass().raw_value(),
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	500 "must be one of the SystemDictionaryHandles");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	501 Label L_ok, L_bad;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	502 BLOCK_COMMENT("verify_klass {");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	503 __ verify_oop(obj_reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	504 __ br_null(obj_reg, false, Assembler::pn, L_bad);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	505 __ delayed()->nop();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	506 __ load_klass(obj_reg, temp_reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	507 __ set(ExternalAddress(klass_addr), temp2_reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	508 __ ld_ptr(Address(temp2_reg, 0), temp2_reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	509 __ cmp(temp_reg, temp2_reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	510 __ brx(Assembler::equal, false, Assembler::pt, L_ok);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	511 __ delayed()->nop();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	512 intptr_t super_check_offset = klass->super_check_offset();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	513 __ ld_ptr(Address(temp_reg, super_check_offset), temp_reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	514 __ set(ExternalAddress(klass_addr), temp2_reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	515 __ ld_ptr(Address(temp2_reg, 0), temp2_reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	516 __ cmp(temp_reg, temp2_reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	517 __ brx(Assembler::equal, false, Assembler::pt, L_ok);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	518 __ delayed()->nop();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	519 __ BIND(L_bad);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	520 __ stop(error_message);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	521 __ BIND(L_ok);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	522 BLOCK_COMMENT("} verify_klass");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	523 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	524 #endif // ASSERT
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	525
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	526 // Code generation
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	527 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	528 // I5_savedSP/O5_savedSP: sender SP (must preserve)
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	529 // 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	530 // G5_method: invoke methodOop
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	531 // 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	532 // 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	533 Register O0_mtype = O0;
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	534 Register O1_scratch = O1;
1911 fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC jrose parents: 1901 diff changeset	535 Register O2_scratch = O2;
fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC jrose parents: 1901 diff changeset	536 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	537 Register O4_argslot = O4;
1911 fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC jrose parents: 1901 diff changeset	538 Register O4_argbase = O4;
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	539
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	540 // emit WrongMethodType path first, to enable back-branch from main path
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	541 Label wrong_method_type;
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	542 __ bind(wrong_method_type);
1911 fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC jrose parents: 1901 diff changeset	543 Label invoke_generic_slow_path;
fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC jrose parents: 1901 diff changeset	544 assert(methodOopDesc::intrinsic_id_size_in_bytes() == sizeof(u1), "");;
fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC jrose parents: 1901 diff changeset	545 __ 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	546 __ cmp(O1_scratch, (int) vmIntrinsics::_invokeExact);
fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC jrose parents: 1901 diff changeset	547 __ brx(Assembler::notEqual, false, Assembler::pt, invoke_generic_slow_path);
fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC jrose parents: 1901 diff changeset	548 __ delayed()->nop();
1916 e62345fd6a46 6997459: JSR 292 after 6994093 getting: on return to interpreted call, restored SP is corrupted twisti parents: 1911 diff changeset	549 __ mov(O0_mtype, G5_method_type); // required by throw_WrongMethodType
1911 fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC jrose parents: 1901 diff changeset	550 // mov(G3_method_handle, G3_method_handle); // already in this register
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	551 __ jump_to(AddressLiteral(Interpreter::throw_WrongMethodType_entry()), O1_scratch);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	552 __ delayed()->nop();
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	553
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	554 // here's where control starts out:
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	555 __ align(CodeEntryAlignment);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	556 address entry_point = __ pc();
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	557
1911 fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC jrose parents: 1901 diff changeset	558 // fetch the MethodType from the method handle
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	559 // FIXME: Interpreter should transmit pre-popped stack pointer, to locate base of arg list.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	560 // This would simplify several touchy bits of code.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	561 // 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	562 {
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	563 Register tem = G5_method;
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	564 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	565 __ 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	566 tem = O0_mtype; // in case there is another indirection
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	567 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	568 }
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 // 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	571 __ 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	572 __ ldsw( Address(O4_argslot, __ delayed_value(java_lang_invoke_MethodTypeForm::vmslots_offset_in_bytes, O1_scratch)), O4_argslot);
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	573 __ add(__ argument_address(O4_argslot, O4_argslot, 1), O4_argbase);
1911 fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC jrose parents: 1901 diff changeset	574 // Note: argument_address uses its input as a scratch register!
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	575 Address mh_receiver_slot_addr(O4_argbase, -Interpreter::stackElementSize);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	576 __ ld_ptr(mh_receiver_slot_addr, G3_method_handle);
1911 fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC jrose parents: 1901 diff changeset	577
fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC jrose parents: 1901 diff changeset	578 trace_method_handle(_masm, "invokeExact");
fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC jrose parents: 1901 diff changeset	579
1916 e62345fd6a46 6997459: JSR 292 after 6994093 getting: on return to interpreted call, restored SP is corrupted twisti parents: 1911 diff changeset	580 __ check_method_handle_type(O0_mtype, G3_method_handle, O1_scratch, wrong_method_type);
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	581
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	582 // Nobody uses the MH receiver slot after this. Make sure.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	583 DEBUG_ONLY(__ set((int32_t) 0x999999, O1_scratch); __ st_ptr(O1_scratch, mh_receiver_slot_addr));
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	584
1911 fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC jrose parents: 1901 diff changeset	585 __ jump_to_method_handle_entry(G3_method_handle, O1_scratch);
fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC jrose parents: 1901 diff changeset	586
fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC jrose parents: 1901 diff changeset	587 // for invokeGeneric (only), apply argument and result conversions on the fly
fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC jrose parents: 1901 diff changeset	588 __ bind(invoke_generic_slow_path);
fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC jrose parents: 1901 diff changeset	589 #ifdef ASSERT
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	590 if (VerifyMethodHandles) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	591 Label L;
1911 fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC jrose parents: 1901 diff changeset	592 __ 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	593 __ cmp(O1_scratch, (int) vmIntrinsics::_invokeGeneric);
fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC jrose parents: 1901 diff changeset	594 __ brx(Assembler::equal, false, Assembler::pt, L);
fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC jrose parents: 1901 diff changeset	595 __ delayed()->nop();
fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC jrose parents: 1901 diff changeset	596 __ stop("bad methodOop::intrinsic_id");
fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC jrose parents: 1901 diff changeset	597 __ bind(L);
fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC jrose parents: 1901 diff changeset	598 }
fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC jrose parents: 1901 diff changeset	599 #endif //ASSERT
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	600
1911 fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC jrose parents: 1901 diff changeset	601 // make room on the stack for another pointer:
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	602 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	603 // load up an adapter from the calling type (Java weaves this)
fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC jrose parents: 1901 diff changeset	604 Register O2_form = O2_scratch;
fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC jrose parents: 1901 diff changeset	605 Register O3_adapter = O3_scratch;
2357 8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2321 diff changeset	606 __ 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	607 __ 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	608 __ verify_oop(O3_adapter);
1911 fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC jrose parents: 1901 diff changeset	609 __ st_ptr(O3_adapter, Address(O4_argbase, 1 * Interpreter::stackElementSize));
fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC jrose parents: 1901 diff changeset	610 // 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	611 // the actual types of the arguments and return values.
fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC jrose parents: 1901 diff changeset	612 // (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	613 __ st_ptr(O0_mtype, Address(O4_argbase, 0 * Interpreter::stackElementSize));
1911 fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC jrose parents: 1901 diff changeset	614 // FIXME: assert that O3_adapter is of the right method-type.
fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC jrose parents: 1901 diff changeset	615 __ mov(O3_adapter, G3_method_handle);
fff777a71346 6994093: MethodHandle.invokeGeneric needs porting to SPARC jrose parents: 1901 diff changeset	616 trace_method_handle(_masm, "invokeGeneric");
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	617 __ jump_to_method_handle_entry(G3_method_handle, O1_scratch);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	618
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	619 return entry_point;
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	620 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	621
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	622 // Workaround for C++ overloading nastiness on '0' for RegisterOrConstant.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	623 static RegisterOrConstant constant(int value) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	624 return RegisterOrConstant(value);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	625 }
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	626
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	627 static void load_vmargslot(MacroAssembler* _masm, Address vmargslot_addr, Register result) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	628 __ ldsw(vmargslot_addr, result);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	629 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	630
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	631 static RegisterOrConstant adjust_SP_and_Gargs_down_by_slots(MacroAssembler* _masm,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	632 RegisterOrConstant arg_slots,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	633 Register temp_reg, Register temp2_reg) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	634 // Keep the stack pointer 2*wordSize aligned.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	635 const int TwoWordAlignmentMask = right_n_bits(LogBytesPerWord + 1);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	636 if (arg_slots.is_constant()) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	637 const int offset = arg_slots.as_constant() << LogBytesPerWord;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	638 const int masked_offset = round_to(offset, 2 * BytesPerWord);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	639 const int masked_offset2 = (offset + 1*BytesPerWord) & ~TwoWordAlignmentMask;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	640 assert(masked_offset == masked_offset2, "must agree");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	641 __ sub(Gargs, offset, Gargs);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	642 __ sub(SP, masked_offset, SP );
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	643 return offset;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	644 } else {
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	645 #ifdef ASSERT
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	646 {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	647 Label L_ok;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	648 __ cmp(arg_slots.as_register(), 0);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	649 __ br(Assembler::greaterEqual, false, Assembler::pt, L_ok);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	650 __ delayed()->nop();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	651 __ stop("negative arg_slots");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	652 __ bind(L_ok);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	653 }
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	654 #endif
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	655 __ sll_ptr(arg_slots.as_register(), LogBytesPerWord, temp_reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	656 __ add( temp_reg, 1*BytesPerWord, temp2_reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	657 __ andn(temp2_reg, TwoWordAlignmentMask, temp2_reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	658 __ sub(Gargs, temp_reg, Gargs);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	659 __ sub(SP, temp2_reg, SP );
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	660 return temp_reg;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	661 }
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	662 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	663
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	664 static RegisterOrConstant adjust_SP_and_Gargs_up_by_slots(MacroAssembler* _masm,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	665 RegisterOrConstant arg_slots,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	666 Register temp_reg, Register temp2_reg) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	667 // Keep the stack pointer 2*wordSize aligned.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	668 const int TwoWordAlignmentMask = right_n_bits(LogBytesPerWord + 1);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	669 if (arg_slots.is_constant()) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	670 const int offset = arg_slots.as_constant() << LogBytesPerWord;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	671 const int masked_offset = offset & ~TwoWordAlignmentMask;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	672 __ add(Gargs, offset, Gargs);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	673 __ add(SP, masked_offset, SP );
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	674 return offset;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	675 } else {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	676 __ sll_ptr(arg_slots.as_register(), LogBytesPerWord, temp_reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	677 __ andn(temp_reg, TwoWordAlignmentMask, temp2_reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	678 __ add(Gargs, temp_reg, Gargs);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	679 __ add(SP, temp2_reg, SP );
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	680 return temp_reg;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	681 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	682 }
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	683
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	684 // Helper to insert argument slots into the stack.
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	685 // arg_slots must be a multiple of stack_move_unit() and < 0
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	686 // argslot_reg is decremented to point to the new (shifted) location of the argslot
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	687 // 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	688 void MethodHandles::insert_arg_slots(MacroAssembler* _masm,
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	689 RegisterOrConstant arg_slots,
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	690 Register argslot_reg,
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	691 Register temp_reg, Register temp2_reg, Register temp3_reg) {
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	692 // allow constant zero
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	693 if (arg_slots.is_constant() && arg_slots.as_constant() == 0)
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	694 return;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	695
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	696 assert_different_registers(argslot_reg, temp_reg, temp2_reg, temp3_reg,
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	697 (!arg_slots.is_register() ? Gargs : arg_slots.as_register()));
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	698
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	699 BLOCK_COMMENT("insert_arg_slots {");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	700 if (VerifyMethodHandles)
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	701 verify_argslot(_masm, argslot_reg, temp_reg, "insertion point must fall within current frame");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	702 if (VerifyMethodHandles)
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	703 verify_stack_move(_masm, arg_slots, -1);
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	704
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	705 // Make space on the stack for the inserted argument(s).
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	706 // Then pull down everything shallower than argslot_reg.
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	707 // The stacked return address gets pulled down with everything else.
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	708 // 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	709 // sp -= size;
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	710 // for (temp = sp + size; temp < argslot; temp++)
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	711 // temp[-size] = temp[0]
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	712 // argslot -= size;
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	713
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	714 // offset is temp3_reg in case of arg_slots being a register.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	715 RegisterOrConstant offset = adjust_SP_and_Gargs_up_by_slots(_masm, arg_slots, temp3_reg, temp_reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	716 __ sub(Gargs, offset, temp_reg); // source pointer for copy
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	717
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	718 {
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	719 Label loop;
1849 5beba6174298 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC twisti parents: 1846 diff changeset	720 __ BIND(loop);
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	721 // pull one word down each time through the loop
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	722 __ ld_ptr( Address(temp_reg, 0 ), temp2_reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	723 __ st_ptr(temp2_reg, Address(temp_reg, offset) );
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	724 __ add(temp_reg, wordSize, temp_reg);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	725 __ cmp(temp_reg, argslot_reg);
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	726 __ brx(Assembler::lessUnsigned, false, Assembler::pt, loop);
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	727 __ delayed()->nop(); // FILLME
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	728 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	729
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	730 // 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	731 __ 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	732 BLOCK_COMMENT("} insert_arg_slots");
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	733 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	734
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	735
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	736 // Helper to remove argument slots from the stack.
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	737 // 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	738 void MethodHandles::remove_arg_slots(MacroAssembler* _masm,
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	739 RegisterOrConstant arg_slots,
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	740 Register argslot_reg,
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	741 Register temp_reg, Register temp2_reg, Register temp3_reg) {
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	742 // allow constant zero
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	743 if (arg_slots.is_constant() && arg_slots.as_constant() == 0)
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	744 return;
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	745 assert_different_registers(argslot_reg, temp_reg, temp2_reg, temp3_reg,
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	746 (!arg_slots.is_register() ? Gargs : arg_slots.as_register()));
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	747
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	748 BLOCK_COMMENT("remove_arg_slots {");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	749 if (VerifyMethodHandles)
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	750 verify_argslots(_masm, arg_slots, argslot_reg, temp_reg, temp2_reg, false,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	751 "deleted argument(s) must fall within current frame");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	752 if (VerifyMethodHandles)
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	753 verify_stack_move(_masm, arg_slots, +1);
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	754
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	755 // Pull up everything shallower than argslot.
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	756 // Then remove the excess space on the stack.
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	757 // The stacked return address gets pulled up with everything else.
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	758 // 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	759 // for (temp = argslot-1; temp >= sp; --temp)
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	760 // temp[size] = temp[0]
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	761 // argslot += size;
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	762 // sp += size;
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	763
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	764 RegisterOrConstant offset = __ regcon_sll_ptr(arg_slots, LogBytesPerWord, temp3_reg);
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	765 __ sub(argslot_reg, wordSize, temp_reg); // source pointer for copy
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	766
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	767 {
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	768 Label L_loop;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	769 __ BIND(L_loop);
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	770 // pull one word up each time through the loop
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	771 __ ld_ptr( Address(temp_reg, 0 ), temp2_reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	772 __ st_ptr(temp2_reg, Address(temp_reg, offset) );
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	773 __ sub(temp_reg, wordSize, temp_reg);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	774 __ cmp(temp_reg, Gargs);
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	775 __ brx(Assembler::greaterEqualUnsigned, false, Assembler::pt, L_loop);
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	776 __ delayed()->nop(); // FILLME
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	777 }
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 // And adjust the argslot address to point at the deletion point.
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	780 __ add(argslot_reg, offset, argslot_reg);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	781
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	782 // We don't need the offset at this point anymore, just adjust SP and Gargs.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	783 (void) adjust_SP_and_Gargs_up_by_slots(_masm, arg_slots, temp3_reg, temp_reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	784
1849 5beba6174298 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC twisti parents: 1846 diff changeset	785 BLOCK_COMMENT("} remove_arg_slots");
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	786 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	787
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	788 // Helper to copy argument slots to the top of the stack.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	789 // The sequence starts with argslot_reg and is counted by slot_count
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	790 // slot_count must be a multiple of stack_move_unit() and >= 0
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	791 // This function blows the temps but does not change argslot_reg.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	792 void MethodHandles::push_arg_slots(MacroAssembler* _masm,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	793 Register argslot_reg,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	794 RegisterOrConstant slot_count,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	795 Register temp_reg, Register temp2_reg) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	796 // allow constant zero
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	797 if (slot_count.is_constant() && slot_count.as_constant() == 0)
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	798 return;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	799 assert_different_registers(argslot_reg, temp_reg, temp2_reg,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	800 (!slot_count.is_register() ? Gargs : slot_count.as_register()),
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	801 SP);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	802 assert(Interpreter::stackElementSize == wordSize, "else change this code");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	803
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	804 BLOCK_COMMENT("push_arg_slots {");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	805 if (VerifyMethodHandles)
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	806 verify_stack_move(_masm, slot_count, 0);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	807
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	808 RegisterOrConstant offset = adjust_SP_and_Gargs_down_by_slots(_masm, slot_count, temp2_reg, temp_reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	809
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	810 if (slot_count.is_constant()) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	811 for (int i = slot_count.as_constant() - 1; i >= 0; i--) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	812 __ ld_ptr( Address(argslot_reg, i * wordSize), temp_reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	813 __ st_ptr(temp_reg, Address(Gargs, i * wordSize));
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	814 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	815 } else {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	816 Label L_plural, L_loop, L_break;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	817 // Emit code to dynamically check for the common cases, zero and one slot.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	818 __ cmp(slot_count.as_register(), (int32_t) 1);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	819 __ br(Assembler::greater, false, Assembler::pn, L_plural);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	820 __ delayed()->nop();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	821 __ br(Assembler::less, false, Assembler::pn, L_break);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	822 __ delayed()->nop();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	823 __ ld_ptr( Address(argslot_reg, 0), temp_reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	824 __ st_ptr(temp_reg, Address(Gargs, 0));
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	825 __ ba(false, L_break);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	826 __ delayed()->nop(); // FILLME
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	827 __ BIND(L_plural);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	828
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	829 // Loop for 2 or more:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	830 // top = &argslot[slot_count]
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	831 // while (top > argslot) (--Gargs) = (--top)
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	832 Register top_reg = temp_reg;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	833 __ add(argslot_reg, offset, top_reg);
cba7b5c2d53f 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
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	835 __ BIND(L_loop);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	836 __ sub(top_reg, wordSize, top_reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	837 __ sub(Gargs, wordSize, Gargs );
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	838 __ ld_ptr( Address(top_reg, 0), temp2_reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	839 __ st_ptr(temp2_reg, Address(Gargs, 0));
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	840 __ cmp(top_reg, argslot_reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	841 __ brx(Assembler::greaterUnsigned, false, Assembler::pt, L_loop);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	842 __ delayed()->nop(); // FILLME
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	843 __ BIND(L_break);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	844 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	845 BLOCK_COMMENT("} push_arg_slots");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	846 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	847
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	848 // in-place movement; no change to Gargs
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	849 // blows temp_reg, temp2_reg
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	850 void MethodHandles::move_arg_slots_up(MacroAssembler* _masm,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	851 Register bottom_reg, // invariant
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	852 Address top_addr, // can use temp_reg
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	853 RegisterOrConstant positive_distance_in_slots, // destroyed if register
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	854 Register temp_reg, Register temp2_reg) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	855 assert_different_registers(bottom_reg,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	856 temp_reg, temp2_reg,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	857 positive_distance_in_slots.register_or_noreg());
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	858 BLOCK_COMMENT("move_arg_slots_up {");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	859 Label L_loop, L_break;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	860 Register top_reg = temp_reg;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	861 if (!top_addr.is_same_address(Address(top_reg, 0))) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	862 __ add(top_addr, top_reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	863 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	864 // Detect empty (or broken) loop:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	865 #ifdef ASSERT
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	866 if (VerifyMethodHandles) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	867 // Verify that &bottom < &top (non-empty interval)
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	868 Label L_ok, L_bad;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	869 if (positive_distance_in_slots.is_register()) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	870 __ cmp(positive_distance_in_slots.as_register(), (int32_t) 0);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	871 __ br(Assembler::lessEqual, false, Assembler::pn, L_bad);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	872 __ delayed()->nop();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	873 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	874 __ cmp(bottom_reg, top_reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	875 __ brx(Assembler::lessUnsigned, false, Assembler::pt, L_ok);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	876 __ delayed()->nop();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	877 __ BIND(L_bad);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	878 __ stop("valid bounds (copy up)");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	879 __ BIND(L_ok);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	880 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	881 #endif
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	882 __ cmp(bottom_reg, top_reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	883 __ brx(Assembler::greaterEqualUnsigned, false, Assembler::pn, L_break);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	884 __ delayed()->nop();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	885 // work top down to bottom, copying contiguous data upwards
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	886 // In pseudo-code:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	887 // while (--top >= bottom) (top + distance) = (top + 0);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	888 RegisterOrConstant offset = __ argument_offset(positive_distance_in_slots, positive_distance_in_slots.register_or_noreg());
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	889 __ BIND(L_loop);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	890 __ sub(top_reg, wordSize, top_reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	891 __ ld_ptr( Address(top_reg, 0 ), temp2_reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	892 __ st_ptr(temp2_reg, Address(top_reg, offset) );
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	893 __ cmp(top_reg, bottom_reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	894 __ brx(Assembler::greaterUnsigned, false, Assembler::pt, L_loop);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	895 __ delayed()->nop(); // FILLME
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	896 assert(Interpreter::stackElementSize == wordSize, "else change loop");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	897 __ BIND(L_break);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	898 BLOCK_COMMENT("} move_arg_slots_up");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	899 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	900
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	901 // in-place movement; no change to rsp
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	902 // blows temp_reg, temp2_reg
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	903 void MethodHandles::move_arg_slots_down(MacroAssembler* _masm,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	904 Address bottom_addr, // can use temp_reg
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	905 Register top_reg, // invariant
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	906 RegisterOrConstant negative_distance_in_slots, // destroyed if register
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	907 Register temp_reg, Register temp2_reg) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	908 assert_different_registers(top_reg,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	909 negative_distance_in_slots.register_or_noreg(),
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	910 temp_reg, temp2_reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	911 BLOCK_COMMENT("move_arg_slots_down {");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	912 Label L_loop, L_break;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	913 Register bottom_reg = temp_reg;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	914 if (!bottom_addr.is_same_address(Address(bottom_reg, 0))) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	915 __ add(bottom_addr, bottom_reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	916 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	917 // Detect empty (or broken) loop:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	918 #ifdef ASSERT
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	919 assert(!negative_distance_in_slots.is_constant() \|\| negative_distance_in_slots.as_constant() < 0, "");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	920 if (VerifyMethodHandles) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	921 // Verify that &bottom < &top (non-empty interval)
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	922 Label L_ok, L_bad;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	923 if (negative_distance_in_slots.is_register()) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	924 __ cmp(negative_distance_in_slots.as_register(), (int32_t) 0);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	925 __ br(Assembler::greaterEqual, false, Assembler::pn, L_bad);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	926 __ delayed()->nop();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	927 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	928 __ cmp(bottom_reg, top_reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	929 __ brx(Assembler::lessUnsigned, false, Assembler::pt, L_ok);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	930 __ delayed()->nop();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	931 __ BIND(L_bad);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	932 __ stop("valid bounds (copy down)");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	933 __ BIND(L_ok);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	934 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	935 #endif
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	936 __ cmp(bottom_reg, top_reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	937 __ brx(Assembler::greaterEqualUnsigned, false, Assembler::pn, L_break);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	938 __ delayed()->nop();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	939 // work bottom up to top, copying contiguous data downwards
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	940 // In pseudo-code:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	941 // while (bottom < top) (bottom - distance) = (bottom + 0), bottom++;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	942 RegisterOrConstant offset = __ argument_offset(negative_distance_in_slots, negative_distance_in_slots.register_or_noreg());
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	943 __ BIND(L_loop);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	944 __ ld_ptr( Address(bottom_reg, 0 ), temp2_reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	945 __ st_ptr(temp2_reg, Address(bottom_reg, offset) );
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	946 __ add(bottom_reg, wordSize, bottom_reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	947 __ cmp(bottom_reg, top_reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	948 __ brx(Assembler::lessUnsigned, false, Assembler::pt, L_loop);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	949 __ delayed()->nop(); // FILLME
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	950 assert(Interpreter::stackElementSize == wordSize, "else change loop");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	951 __ BIND(L_break);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	952 BLOCK_COMMENT("} move_arg_slots_down");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	953 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	954
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	955 // Copy from a field or array element to a stacked argument slot.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	956 // is_element (ignored) says whether caller is loading an array element instead of an instance field.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	957 void MethodHandles::move_typed_arg(MacroAssembler* _masm,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	958 BasicType type, bool is_element,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	959 Address value_src, Address slot_dest,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	960 Register temp_reg) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	961 assert(!slot_dest.uses(temp_reg), "must be different register");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	962 BLOCK_COMMENT(!is_element ? "move_typed_arg {" : "move_typed_arg { (array element)");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	963 if (type == T_OBJECT \|\| type == T_ARRAY) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	964 __ load_heap_oop(value_src, temp_reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	965 __ verify_oop(temp_reg);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	966 __ st_ptr(temp_reg, slot_dest);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	967 } else if (type != T_VOID) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	968 int arg_size = type2aelembytes(type);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	969 bool arg_is_signed = is_signed_subword_type(type);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	970 int slot_size = is_subword_type(type) ? type2aelembytes(T_INT) : arg_size; // store int sub-words as int
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	971 __ load_sized_value( value_src, temp_reg, arg_size, arg_is_signed);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	972 __ store_sized_value(temp_reg, slot_dest, slot_size );
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	973 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	974 BLOCK_COMMENT("} move_typed_arg");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	975 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	976
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	977 // Cf. TemplateInterpreterGenerator::generate_return_entry_for and
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	978 // InterpreterMacroAssembler::save_return_value
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	979 void MethodHandles::move_return_value(MacroAssembler* _masm, BasicType type,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	980 Address return_slot) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	981 BLOCK_COMMENT("move_return_value {");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	982 // Look at the type and pull the value out of the corresponding register.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	983 if (type == T_VOID) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	984 // nothing to do
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	985 } else if (type == T_OBJECT) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	986 __ verify_oop(O0);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	987 __ st_ptr(O0, return_slot);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	988 } else if (type == T_INT \|\| is_subword_type(type)) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	989 int type_size = type2aelembytes(T_INT);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	990 __ store_sized_value(O0, return_slot, type_size);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	991 } else if (type == T_LONG) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	992 // store the value by parts
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	993 // Note: We assume longs are continguous (if misaligned) on the interpreter stack.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	994 #if !defined(_LP64) && defined(COMPILER2)
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	995 __ stx(G1, return_slot);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	996 #else
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	997 #ifdef _LP64
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	998 __ stx(O0, return_slot);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	999 #else
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1000 if (return_slot.has_disp()) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1001 // The displacement is a constant
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1002 __ st(O0, return_slot);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1003 __ st(O1, return_slot.plus_disp(Interpreter::stackElementSize));
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1004 } else {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1005 __ std(O0, return_slot);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1006 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1007 #endif
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1008 #endif
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1009 } else if (type == T_FLOAT) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1010 __ stf(FloatRegisterImpl::S, Ftos_f, return_slot);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1011 } else if (type == T_DOUBLE) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1012 __ stf(FloatRegisterImpl::D, Ftos_f, return_slot);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1013 } else {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1014 ShouldNotReachHere();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1015 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1016 BLOCK_COMMENT("} move_return_value");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1017 }
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1018
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1019 #ifndef PRODUCT
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1020 extern "C" void print_method_handle(oop mh);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1021 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	1022 oopDesc* mh,
2e038ad0c1d0 7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp never parents: 3277 diff changeset	1023 intptr_t* saved_sp) {
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1024 bool has_mh = (strstr(adaptername, "return/") == NULL); // return adapters don't have mh
3336 2e038ad0c1d0 7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp never parents: 3277 diff changeset	1025 tty->print_cr("MH %s mh="INTPTR_FORMAT " saved_sp=" INTPTR_FORMAT, adaptername, (intptr_t) mh, saved_sp);
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1026 if (has_mh)
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1027 print_method_handle(mh);
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1028 }
1849 5beba6174298 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC twisti parents: 1846 diff changeset	1029 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	1030 if (!TraceMethodHandles) return;
5beba6174298 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC twisti parents: 1846 diff changeset	1031 BLOCK_COMMENT("trace_method_handle {");
5beba6174298 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC twisti parents: 1846 diff changeset	1032 // save: Gargs, O5_savedSP
5beba6174298 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC twisti parents: 1846 diff changeset	1033 __ save_frame(16);
5beba6174298 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC twisti parents: 1846 diff changeset	1034 __ set((intptr_t) adaptername, O0);
5beba6174298 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC twisti parents: 1846 diff changeset	1035 __ mov(G3_method_handle, O1);
3336 2e038ad0c1d0 7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp never parents: 3277 diff changeset	1036 __ mov(I5_savedSP, O2);
1849 5beba6174298 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC twisti parents: 1846 diff changeset	1037 __ mov(G3_method_handle, L3);
5beba6174298 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC twisti parents: 1846 diff changeset	1038 __ mov(Gargs, L4);
5beba6174298 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC twisti parents: 1846 diff changeset	1039 __ mov(G5_method_type, L5);
5beba6174298 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC twisti parents: 1846 diff changeset	1040 __ call_VM_leaf(L7, CAST_FROM_FN_PTR(address, trace_method_handle_stub));
5beba6174298 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC twisti parents: 1846 diff changeset	1041
5beba6174298 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC twisti parents: 1846 diff changeset	1042 __ mov(L3, G3_method_handle);
5beba6174298 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC twisti parents: 1846 diff changeset	1043 __ mov(L4, Gargs);
5beba6174298 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC twisti parents: 1846 diff changeset	1044 __ mov(L5, G5_method_type);
5beba6174298 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC twisti parents: 1846 diff changeset	1045 __ restore();
5beba6174298 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC twisti parents: 1846 diff changeset	1046 BLOCK_COMMENT("} trace_method_handle");
5beba6174298 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC twisti parents: 1846 diff changeset	1047 }
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1048 #endif // PRODUCT
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1049
1507 cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation jrose parents: 1506 diff changeset	1050 // which conversion op types are implemented here?
cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation jrose parents: 1506 diff changeset	1051 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	1052 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	1053 \|(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	1054 \|(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	1055 \|(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	1056 \|(1<<java_lang_invoke_AdapterMethodHandle::OP_REF_TO_PRIM)
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1057 // 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	1058 \|(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	1059 \|(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	1060 \|(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	1061 \|(1<<java_lang_invoke_AdapterMethodHandle::OP_DROP_ARGS)
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1062 // OP_COLLECT_ARGS is below...
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1063 \|(1<<java_lang_invoke_AdapterMethodHandle::OP_SPREAD_ARGS)
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1064 \|(!UseRicochetFrames ? 0 :
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1065 java_lang_invoke_MethodTypeForm::vmlayout_offset_in_bytes() <= 0 ? 0 :
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1066 ((1<<java_lang_invoke_AdapterMethodHandle::OP_PRIM_TO_REF)
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1067 \|(1<<java_lang_invoke_AdapterMethodHandle::OP_COLLECT_ARGS)
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1068 \|(1<<java_lang_invoke_AdapterMethodHandle::OP_FOLD_ARGS)
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1069 )
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1070 )
1507 cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation jrose parents: 1506 diff changeset	1071 );
cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation jrose parents: 1506 diff changeset	1072 }
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1073
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1074 //------------------------------------------------------------------------------
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1075 // MethodHandles::generate_method_handle_stub
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1076 //
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1077 // Generate an "entry" field for a method handle.
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1078 // 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	1079 void MethodHandles::generate_method_handle_stub(MacroAssembler* _masm, MethodHandles::EntryKind ek) {
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1080 MethodHandles::EntryKind ek_orig = ek_original_kind(ek);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1081
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1082 // Here is the register state during an interpreted call,
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1083 // as set up by generate_method_handle_interpreter_entry():
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1084 // - G5: garbage temp (was MethodHandle.invoke methodOop, unused)
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1085 // - G3: receiver method handle
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1086 // - O5_savedSP: sender SP (must preserve)
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1087
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1088 const Register O0_scratch = O0;
2088 8d0b933dda2d 7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot twisti parents: 2009 diff changeset	1089 const Register O1_scratch = O1;
8d0b933dda2d 7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot twisti parents: 2009 diff changeset	1090 const Register O2_scratch = O2;
8d0b933dda2d 7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot twisti parents: 2009 diff changeset	1091 const Register O3_scratch = O3;
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1092 const Register O4_scratch = O4;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1093 const Register G5_scratch = G5;
2088 8d0b933dda2d 7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot twisti parents: 2009 diff changeset	1094
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1095 // Often used names:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1096 const Register O0_argslot = O0;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1097
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1098 // Argument registers for _raise_exception:
2088 8d0b933dda2d 7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot twisti parents: 2009 diff changeset	1099 const Register O0_code = O0;
8d0b933dda2d 7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot twisti parents: 2009 diff changeset	1100 const Register O1_actual = O1;
8d0b933dda2d 7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot twisti parents: 2009 diff changeset	1101 const Register O2_required = O2;
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1102
2357 8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2321 diff changeset	1103 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	1104
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1105 // Some handy addresses:
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1106 Address G5_method_fie( G5_method, in_bytes(methodOopDesc::from_interpreted_offset()));
2321 1b4e6a5d98e0 7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc twisti parents: 2258 diff changeset	1107 Address G5_method_fce( G5_method, in_bytes(methodOopDesc::from_compiled_offset()));
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1108
2357 8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2321 diff changeset	1109 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	1110
2357 8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2321 diff changeset	1111 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	1112
2357 8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2321 diff changeset	1113 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	1114 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	1115
2357 8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2321 diff changeset	1116 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	1117 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	1118 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	1119
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1120 const int java_mirror_offset = klassOopDesc::klass_part_offset_in_bytes() + Klass::java_mirror_offset_in_bytes();
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1121
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1122 if (have_entry(ek)) {
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1123 __ nop(); // empty stubs make SG sick
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1124 return;
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1125 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1126
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1127 address interp_entry = __ pc();
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1128
1849 5beba6174298 6987555: JSR 292 unboxing to a boolean value fails on big-endian SPARC twisti parents: 1846 diff changeset	1129 trace_method_handle(_masm, entry_name(ek));
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1130
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1131 BLOCK_COMMENT(err_msg("Entry %s {", entry_name(ek)));
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1132
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1133 switch ((int) ek) {
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1134 case _raise_exception:
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1135 {
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1136 // Not a real MH entry, but rather shared code for raising an
2321 1b4e6a5d98e0 7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc twisti parents: 2258 diff changeset	1137 // exception. Since we use the compiled entry, arguments are
1b4e6a5d98e0 7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc twisti parents: 2258 diff changeset	1138 // expected in compiler argument registers.
2116 d810e9a3fc33 7010180: JSR 292 InvokeDynamicPrintArgs fails with: assert(_adapter == NULL) failed: init'd to NULL twisti parents: 2088 diff changeset	1139 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	1140 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	1141
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1142 __ mov(O5_savedSP, SP); // Cut the stack back to where the caller started.
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1143
2088 8d0b933dda2d 7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot twisti parents: 2009 diff changeset	1144 Label L_no_method;
2357 8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2321 diff changeset	1145 // FIXME: fill in _raise_exception_method with a suitable java.lang.invoke method
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1146 __ set(AddressLiteral((address) &_raise_exception_method), G5_method);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1147 __ ld_ptr(Address(G5_method, 0), G5_method);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1148 __ tst(G5_method);
2088 8d0b933dda2d 7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot twisti parents: 2009 diff changeset	1149 __ brx(Assembler::zero, false, Assembler::pn, L_no_method);
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1150 __ delayed()->nop();
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1151
2088 8d0b933dda2d 7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot twisti parents: 2009 diff changeset	1152 const int jobject_oop_offset = 0;
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1153 __ ld_ptr(Address(G5_method, jobject_oop_offset), G5_method);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1154 __ tst(G5_method);
2088 8d0b933dda2d 7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot twisti parents: 2009 diff changeset	1155 __ brx(Assembler::zero, false, Assembler::pn, L_no_method);
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1156 __ delayed()->nop();
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1157
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1158 __ verify_oop(G5_method);
2321 1b4e6a5d98e0 7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc twisti parents: 2258 diff changeset	1159 __ jump_indirect_to(G5_method_fce, O3_scratch); // jump to compiled entry
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1160 __ delayed()->nop();
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1161
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1162 // Do something that is at least causes a valid throw from the interpreter.
2088 8d0b933dda2d 7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot twisti parents: 2009 diff changeset	1163 __ bind(L_no_method);
8d0b933dda2d 7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot twisti parents: 2009 diff changeset	1164 __ unimplemented("call throw_WrongMethodType_entry");
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1165 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1166 break;
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1167
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1168 case _invokestatic_mh:
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1169 case _invokespecial_mh:
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1170 {
1846 d55217dc206f 6829194: JSR 292 needs to support compressed oops twisti parents: 1579 diff changeset	1171 __ 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	1172 __ verify_oop(G5_method);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1173 // Same as TemplateTable::invokestatic or invokespecial,
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1174 // minus the CP setup and profiling:
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1175 if (ek == _invokespecial_mh) {
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1176 // Must load & check the first argument before entering the target method.
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1177 __ load_method_handle_vmslots(O0_argslot, G3_method_handle, O1_scratch);
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1178 __ 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	1179 __ null_check(G3_method_handle);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1180 __ verify_oop(G3_method_handle);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1181 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1182 __ jump_indirect_to(G5_method_fie, O1_scratch);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1183 __ delayed()->nop();
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1184 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1185 break;
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1186
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1187 case _invokevirtual_mh:
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1188 {
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1189 // Same as TemplateTable::invokevirtual,
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1190 // minus the CP setup and profiling:
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1191
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1192 // Pick out the vtable index and receiver offset from the MH,
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1193 // and then we can discard it:
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1194 Register O2_index = O2_scratch;
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1195 __ load_method_handle_vmslots(O0_argslot, G3_method_handle, O1_scratch);
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1196 __ ldsw(G3_dmh_vmindex, O2_index);
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1197 // Note: The verifier allows us to ignore G3_mh_vmtarget.
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1198 __ 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	1199 __ null_check(G3_method_handle, oopDesc::klass_offset_in_bytes());
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1200
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1201 // Get receiver klass:
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1202 Register O0_klass = O0_argslot;
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1203 __ load_klass(G3_method_handle, O0_klass);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1204 __ verify_oop(O0_klass);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1205
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1206 // Get target methodOop & entry point:
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1207 const int base = instanceKlass::vtable_start_offset() * wordSize;
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1208 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	1209
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1210 __ sll_ptr(O2_index, LogBytesPerWord, O2_index);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1211 __ add(O0_klass, O2_index, O0_klass);
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1212 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	1213 __ ld_ptr(vtable_entry_addr, G5_method);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1214
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1215 __ verify_oop(G5_method);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1216 __ jump_indirect_to(G5_method_fie, O1_scratch);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1217 __ delayed()->nop();
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1218 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1219 break;
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 case _invokeinterface_mh:
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1222 {
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1223 // Same as TemplateTable::invokeinterface,
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1224 // minus the CP setup and profiling:
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1225 __ load_method_handle_vmslots(O0_argslot, G3_method_handle, O1_scratch);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1226 Register O1_intf = O1_scratch;
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1227 Register G5_index = G5_scratch;
1846 d55217dc206f 6829194: JSR 292 needs to support compressed oops twisti parents: 1579 diff changeset	1228 __ load_heap_oop(G3_mh_vmtarget, O1_intf);
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1229 __ ldsw(G3_dmh_vmindex, G5_index);
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1230 __ 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	1231 __ null_check(G3_method_handle, oopDesc::klass_offset_in_bytes());
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1232
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1233 // Get receiver klass:
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1234 Register O0_klass = O0_argslot;
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1235 __ load_klass(G3_method_handle, O0_klass);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1236 __ verify_oop(O0_klass);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1237
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1238 // Get interface:
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1239 Label no_such_interface;
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1240 __ verify_oop(O1_intf);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1241 __ lookup_interface_method(O0_klass, O1_intf,
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1242 // Note: next two args must be the same:
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1243 G5_index, G5_method,
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1244 O2_scratch,
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1245 O3_scratch,
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1246 no_such_interface);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1247
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1248 __ verify_oop(G5_method);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1249 __ jump_indirect_to(G5_method_fie, O1_scratch);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1250 __ delayed()->nop();
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1251
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1252 __ bind(no_such_interface);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1253 // Throw an exception.
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1254 // For historical reasons, it will be IncompatibleClassChangeError.
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1255 __ unimplemented("not tested yet");
2088 8d0b933dda2d 7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot twisti parents: 2009 diff changeset	1256 __ 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	1257 __ mov( O0_klass, O1_actual); // bad receiver
8d0b933dda2d 7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot twisti parents: 2009 diff changeset	1258 __ 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	1259 __ delayed()->mov(Bytecodes::_invokeinterface, O0_code); // who is complaining?
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1260 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1261 break;
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1262
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1263 case _bound_ref_mh:
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1264 case _bound_int_mh:
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1265 case _bound_long_mh:
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1266 case _bound_ref_direct_mh:
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1267 case _bound_int_direct_mh:
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1268 case _bound_long_direct_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 const bool direct_to_method = (ek >= _bound_ref_direct_mh);
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1271 BasicType arg_type = ek_bound_mh_arg_type(ek);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1272 int arg_slots = type2size[arg_type];
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1273
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1274 // Make room for the new argument:
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1275 load_vmargslot(_masm, G3_bmh_vmargslot, O0_argslot);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1276 __ add(__ argument_address(O0_argslot, O0_argslot), O0_argslot);
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1277
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1278 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	1279
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1280 // Store bound argument into the new stack slot:
1846 d55217dc206f 6829194: JSR 292 needs to support compressed oops twisti parents: 1579 diff changeset	1281 __ load_heap_oop(G3_bmh_argument, O1_scratch);
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1282 if (arg_type == T_OBJECT) {
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1283 __ st_ptr(O1_scratch, Address(O0_argslot, 0));
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1284 } else {
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1285 Address prim_value_addr(O1_scratch, java_lang_boxing_object::value_offset_in_bytes(arg_type));
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1286 move_typed_arg(_masm, arg_type, false,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1287 prim_value_addr,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1288 Address(O0_argslot, 0),
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1289 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	1290 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1291
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1292 if (direct_to_method) {
1846 d55217dc206f 6829194: JSR 292 needs to support compressed oops twisti parents: 1579 diff changeset	1293 __ 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	1294 __ verify_oop(G5_method);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1295 __ jump_indirect_to(G5_method_fie, O1_scratch);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1296 __ delayed()->nop();
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1297 } else {
1846 d55217dc206f 6829194: JSR 292 needs to support compressed oops twisti parents: 1579 diff changeset	1298 __ 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	1299 __ verify_oop(G3_method_handle);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1300 __ jump_to_method_handle_entry(G3_method_handle, O1_scratch);
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 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1303 break;
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1304
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1305 case _adapter_retype_only:
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1306 case _adapter_retype_raw:
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1307 // Immediately jump to the next MH layer:
1846 d55217dc206f 6829194: JSR 292 needs to support compressed oops twisti parents: 1579 diff changeset	1308 __ load_heap_oop(G3_mh_vmtarget, G3_method_handle);
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1309 __ verify_oop(G3_method_handle);
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1310 __ jump_to_method_handle_entry(G3_method_handle, O1_scratch);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1311 // This is OK when all parameter types widen.
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1312 // It is also OK when a return type narrows.
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1313 break;
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1314
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1315 case _adapter_check_cast:
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 // Check a reference argument before jumping to the next layer of MH:
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1318 load_vmargslot(_masm, G3_amh_vmargslot, O0_argslot);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1319 Address vmarg = __ argument_address(O0_argslot, O0_argslot);
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1320
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1321 // What class are we casting to?
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1322 Register O1_klass = O1_scratch; // Interesting AMH data.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1323 __ load_heap_oop(G3_amh_argument, O1_klass); // This is a Class object!
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1324 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	1325
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1326 Label L_done;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1327 __ ld_ptr(vmarg, O2_scratch);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1328 __ tst(O2_scratch);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1329 __ brx(Assembler::zero, false, Assembler::pn, L_done); // No cast if null.
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1330 __ delayed()->nop();
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1331 __ load_klass(O2_scratch, O2_scratch);
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1332
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1333 // Live at this point:
3342 8d944991dbf9 7041244: JSR 292: Server VM gets a SEGV running a JCK test twisti parents: 3336 diff changeset	1334 // - O0_argslot : argslot index in vmarg; may be required in the failing path
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1335 // - O1_klass : klass required by the target method
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1336 // - O2_scratch : argument klass to test
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1337 // - G3_method_handle: adapter method handle
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1338 __ 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	1339
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1340 // 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	1341 __ 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	1342 __ ld_ptr( vmarg, O1_actual); // bad object
8d0b933dda2d 7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot twisti parents: 2009 diff changeset	1343 __ 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	1344 __ delayed()->mov(Bytecodes::_checkcast, O0_code); // who is complaining?
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1345
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1346 __ BIND(L_done);
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1347 // Get the new MH:
1846 d55217dc206f 6829194: JSR 292 needs to support compressed oops twisti parents: 1579 diff changeset	1348 __ load_heap_oop(G3_mh_vmtarget, G3_method_handle);
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1349 __ jump_to_method_handle_entry(G3_method_handle, O1_scratch);
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 break;
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1352
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1353 case _adapter_prim_to_prim:
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1354 case _adapter_ref_to_prim:
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1355 // Handled completely by optimized cases.
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1356 __ stop("init_AdapterMethodHandle should not issue this");
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1357 break;
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1358
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1359 case _adapter_opt_i2i: // optimized subcase of adapt_prim_to_prim
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1360 //case _adapter_opt_f2i: // optimized subcase of adapt_prim_to_prim
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1361 case _adapter_opt_l2i: // optimized subcase of adapt_prim_to_prim
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1362 case _adapter_opt_unboxi: // optimized subcase of adapt_ref_to_prim
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1363 {
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1364 // Perform an in-place conversion to int or an int subword.
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1365 load_vmargslot(_masm, G3_amh_vmargslot, O0_argslot);
2009 b856cd7f4e60 7003798: test/compiler/6991596 fails with true != false twisti parents: 1972 diff changeset	1366 Address value;
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1367 Address vmarg;
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1368 bool value_left_justified = false;
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1369
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1370 switch (ek) {
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1371 case _adapter_opt_i2i:
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1372 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	1373 break;
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1374 case _adapter_opt_l2i:
1901 7aff5786cc02 6991596: JSR 292 unimplemented adapter_opt_i2i and adapter_opt_l2i on SPARC twisti parents: 1849 diff changeset	1375 {
7aff5786cc02 6991596: JSR 292 unimplemented adapter_opt_i2i and adapter_opt_l2i on SPARC twisti parents: 1849 diff changeset	1376 // just delete the extra slot
2009 b856cd7f4e60 7003798: test/compiler/6991596 fails with true != false twisti parents: 1972 diff changeset	1377 #ifdef _LP64
b856cd7f4e60 7003798: test/compiler/6991596 fails with true != false twisti parents: 1972 diff changeset	1378 // 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	1379 // data is passed in only 1 slot.
b856cd7f4e60 7003798: test/compiler/6991596 fails with true != false twisti parents: 1972 diff changeset	1380 // Keep the second slot.
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1381 __ 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	1382 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	1383 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	1384 vmarg = Address(O0_argslot, Interpreter::stackElementSize);
b856cd7f4e60 7003798: test/compiler/6991596 fails with true != false twisti parents: 1972 diff changeset	1385 #else
b856cd7f4e60 7003798: test/compiler/6991596 fails with true != false twisti parents: 1972 diff changeset	1386 // Keep the first slot.
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1387 __ 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	1388 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	1389 value = Address(O0_argslot, 0);
b856cd7f4e60 7003798: test/compiler/6991596 fails with true != false twisti parents: 1972 diff changeset	1390 vmarg = value;
b856cd7f4e60 7003798: test/compiler/6991596 fails with true != false twisti parents: 1972 diff changeset	1391 #endif
1901 7aff5786cc02 6991596: JSR 292 unimplemented adapter_opt_i2i and adapter_opt_l2i on SPARC twisti parents: 1849 diff changeset	1392 }
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1393 break;
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1394 case _adapter_opt_unboxi:
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1395 {
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1396 vmarg = __ argument_address(O0_argslot, O0_argslot);
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1397 // Load the value up from the heap.
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1398 __ ld_ptr(vmarg, O1_scratch);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1399 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	1400 #ifdef ASSERT
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1401 for (int bt = T_BOOLEAN; bt < T_INT; bt++) {
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1402 if (is_subword_type(BasicType(bt)))
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1403 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	1404 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1405 #endif
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1406 __ null_check(O1_scratch, value_offset);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1407 value = Address(O1_scratch, value_offset);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1408 #ifdef _BIG_ENDIAN
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1409 // Values stored in objects are packed.
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1410 value_left_justified = true;
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1411 #endif
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1412 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1413 break;
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1414 default:
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1415 ShouldNotReachHere();
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1416 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1417
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1418 // This check is required on _BIG_ENDIAN
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1419 Register G5_vminfo = G5_scratch;
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1420 __ ldsw(G3_amh_conversion, G5_vminfo);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1421 assert(CONV_VMINFO_SHIFT == 0, "preshifted");
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1422
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1423 // Original 32-bit vmdata word must be of this form:
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1424 // \| MBZ:6 \| signBitCount:8 \| srcDstTypes:8 \| conversionOp:8 \|
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1425 __ lduw(value, O1_scratch);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1426 if (!value_left_justified)
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1427 __ sll(O1_scratch, G5_vminfo, O1_scratch);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1428 Label zero_extend, done;
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1429 __ btst(CONV_VMINFO_SIGN_FLAG, G5_vminfo);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1430 __ br(Assembler::zero, false, Assembler::pn, zero_extend);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1431 __ delayed()->nop();
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 // this path is taken for int->byte, int->short
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1434 __ sra(O1_scratch, G5_vminfo, O1_scratch);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1435 __ ba(false, done);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1436 __ delayed()->nop();
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1437
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1438 __ bind(zero_extend);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1439 // this is taken for int->char
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1440 __ srl(O1_scratch, G5_vminfo, O1_scratch);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1441
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1442 __ bind(done);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1443 __ st(O1_scratch, vmarg);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1444
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1445 // Get the new MH:
1846 d55217dc206f 6829194: JSR 292 needs to support compressed oops twisti parents: 1579 diff changeset	1446 __ load_heap_oop(G3_mh_vmtarget, G3_method_handle);
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1447 __ jump_to_method_handle_entry(G3_method_handle, O1_scratch);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1448 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1449 break;
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1450
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1451 case _adapter_opt_i2l: // optimized subcase of adapt_prim_to_prim
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1452 case _adapter_opt_unboxl: // optimized subcase of adapt_ref_to_prim
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1453 {
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1454 // Perform an in-place int-to-long or ref-to-long conversion.
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1455 load_vmargslot(_masm, G3_amh_vmargslot, O0_argslot);
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1456
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1457 // 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	1458 // in the first slot.
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1459 __ add(__ argument_address(O0_argslot, O0_argslot, 1), O0_argslot);
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1460
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1461 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	1462
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1463 Address arg_lsw(O0_argslot, 0);
1506 2338d41fbd81 6943304: remove tagged stack interpreter twisti parents: 1503 diff changeset	1464 Address arg_msw(O0_argslot, -Interpreter::stackElementSize);
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1465
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1466 switch (ek) {
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1467 case _adapter_opt_i2l:
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1468 {
2382 3ef1a1866a60 7027232: JSR 292: wrong numeric value returned by MH on solaris-sparc twisti parents: 2357 diff changeset	1469 #ifdef _LP64
3ef1a1866a60 7027232: JSR 292: wrong numeric value returned by MH on solaris-sparc twisti parents: 2357 diff changeset	1470 __ 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	1471 #else
3ef1a1866a60 7027232: JSR 292: wrong numeric value returned by MH on solaris-sparc twisti parents: 2357 diff changeset	1472 __ 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	1473 __ 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	1474 #endif
3ef1a1866a60 7027232: JSR 292: wrong numeric value returned by MH on solaris-sparc twisti parents: 2357 diff changeset	1475 __ 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	1476 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1477 break;
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1478 case _adapter_opt_unboxl:
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1479 {
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1480 // Load the value up from the heap.
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1481 __ ld_ptr(arg_lsw, O1_scratch);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1482 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	1483 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	1484 __ null_check(O1_scratch, value_offset);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1485 __ 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	1486 __ st_long(O2_scratch, arg_msw);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1487 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1488 break;
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1489 default:
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1490 ShouldNotReachHere();
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1491 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1492
1846 d55217dc206f 6829194: JSR 292 needs to support compressed oops twisti parents: 1579 diff changeset	1493 __ load_heap_oop(G3_mh_vmtarget, G3_method_handle);
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1494 __ jump_to_method_handle_entry(G3_method_handle, O1_scratch);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1495 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1496 break;
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1497
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1498 case _adapter_opt_f2d: // optimized subcase of adapt_prim_to_prim
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1499 case _adapter_opt_d2f: // optimized subcase of adapt_prim_to_prim
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1500 {
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1501 // perform an in-place floating primitive conversion
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1502 __ unimplemented(entry_name(ek));
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1503 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1504 break;
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1505
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1506 case _adapter_prim_to_ref:
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1507 __ unimplemented(entry_name(ek)); // %%% FIXME: NYI
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1508 break;
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1509
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1510 case _adapter_swap_args:
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1511 case _adapter_rot_args:
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1512 // handled completely by optimized cases
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1513 __ stop("init_AdapterMethodHandle should not issue this");
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1514 break;
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1515
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1516 case _adapter_opt_swap_1:
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1517 case _adapter_opt_swap_2:
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1518 case _adapter_opt_rot_1_up:
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1519 case _adapter_opt_rot_1_down:
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1520 case _adapter_opt_rot_2_up:
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1521 case _adapter_opt_rot_2_down:
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1522 {
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1523 int swap_slots = ek_adapter_opt_swap_slots(ek);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1524 int rotate = ek_adapter_opt_swap_mode(ek);
1503 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 // 'argslot' is the position of the first argument to swap.
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1527 load_vmargslot(_masm, G3_amh_vmargslot, O0_argslot);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1528 __ add(__ argument_address(O0_argslot, O0_argslot), O0_argslot);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1529 if (VerifyMethodHandles)
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1530 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	1531
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1532 // 'vminfo' is the second.
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1533 Register O1_destslot = O1_scratch;
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1534 load_conversion_vminfo(_masm, G3_amh_conversion, O1_destslot);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1535 __ add(__ argument_address(O1_destslot, O1_destslot), O1_destslot);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1536 if (VerifyMethodHandles)
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1537 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	1538
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1539 assert(Interpreter::stackElementSize == wordSize, "else rethink use of wordSize here");
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1540 if (!rotate) {
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1541 // simple swap
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1542 for (int i = 0; i < swap_slots; i++) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1543 __ ld_ptr( Address(O0_argslot, i * wordSize), O2_scratch);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1544 __ ld_ptr( Address(O1_destslot, i * wordSize), O3_scratch);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1545 __ st_ptr(O3_scratch, Address(O0_argslot, i * wordSize));
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1546 __ st_ptr(O2_scratch, Address(O1_destslot, i * wordSize));
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1547 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1548 } else {
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1549 // A rotate is actually pair of moves, with an "odd slot" (or pair)
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1550 // changing place with a series of other slots.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1551 // First, push the "odd slot", which is going to get overwritten
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1552 switch (swap_slots) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1553 case 2 : __ ld_ptr(Address(O0_argslot, 1 * wordSize), O4_scratch); // fall-thru
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1554 case 1 : __ ld_ptr(Address(O0_argslot, 0 * wordSize), O3_scratch); break;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1555 default: ShouldNotReachHere();
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1556 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1557 if (rotate > 0) {
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1558 // Here is rotate > 0:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1559 // (low mem) (high mem)
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1560 // \| dest: more_slots... \| arg: odd_slot :arg+1 \|
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1561 // =>
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1562 // \| dest: odd_slot \| dest+1: more_slots... :arg+1 \|
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1563 // work argslot down to destslot, copying contiguous data upwards
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1564 // pseudo-code:
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1565 // argslot = src_addr - swap_bytes
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1566 // destslot = dest_addr
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1567 // while (argslot >= destslot) (argslot + swap_bytes) = (argslot + 0), argslot--;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1568 move_arg_slots_up(_masm,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1569 O1_destslot,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1570 Address(O0_argslot, 0),
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1571 swap_slots,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1572 O0_argslot, O2_scratch);
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1573 } else {
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1574 // Here is the other direction, rotate < 0:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1575 // (low mem) (high mem)
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1576 // \| arg: odd_slot \| arg+1: more_slots... :dest+1 \|
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1577 // =>
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1578 // \| arg: more_slots... \| dest: odd_slot :dest+1 \|
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1579 // work argslot up to destslot, copying contiguous data downwards
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1580 // pseudo-code:
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1581 // argslot = src_addr + swap_bytes
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1582 // destslot = dest_addr
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1583 // while (argslot <= destslot) (argslot - swap_bytes) = (argslot + 0), argslot++;
3757 f8c9417e3571 7052219: JSR 292: Crash in ~BufferBlob::MethodHandles adapters never parents: 3753 diff changeset	1584 // dest_slot denotes an exclusive upper limit
f8c9417e3571 7052219: JSR 292: Crash in ~BufferBlob::MethodHandles adapters never parents: 3753 diff changeset	1585 int limit_bias = OP_ROT_ARGS_DOWN_LIMIT_BIAS;
f8c9417e3571 7052219: JSR 292: Crash in ~BufferBlob::MethodHandles adapters never parents: 3753 diff changeset	1586 if (limit_bias != 0)
f8c9417e3571 7052219: JSR 292: Crash in ~BufferBlob::MethodHandles adapters never parents: 3753 diff changeset	1587 __ add(O1_destslot, - limit_bias * wordSize, O1_destslot);
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1588 move_arg_slots_down(_masm,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1589 Address(O0_argslot, swap_slots * wordSize),
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1590 O1_destslot,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1591 -swap_slots,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1592 O0_argslot, O2_scratch);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1593
3757 f8c9417e3571 7052219: JSR 292: Crash in ~BufferBlob::MethodHandles adapters never parents: 3753 diff changeset	1594 __ sub(O1_destslot, swap_slots * wordSize, O1_destslot);
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1595 }
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1596 // pop the original first chunk into the destination slot, now free
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1597 switch (swap_slots) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1598 case 2 : __ st_ptr(O4_scratch, Address(O1_destslot, 1 * wordSize)); // fall-thru
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1599 case 1 : __ st_ptr(O3_scratch, Address(O1_destslot, 0 * wordSize)); break;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1600 default: ShouldNotReachHere();
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1601 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1602 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1603
1846 d55217dc206f 6829194: JSR 292 needs to support compressed oops twisti parents: 1579 diff changeset	1604 __ load_heap_oop(G3_mh_vmtarget, G3_method_handle);
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1605 __ jump_to_method_handle_entry(G3_method_handle, O1_scratch);
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 break;
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1608
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1609 case _adapter_dup_args:
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1610 {
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1611 // 'argslot' is the position of the first argument to duplicate.
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1612 load_vmargslot(_masm, G3_amh_vmargslot, O0_argslot);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1613 __ add(__ argument_address(O0_argslot, O0_argslot), O0_argslot);
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1614
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1615 // 'stack_move' is negative number of words to duplicate.
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1616 Register O1_stack_move = O1_scratch;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1617 load_stack_move(_masm, G3_amh_conversion, O1_stack_move);
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1618
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1619 if (VerifyMethodHandles) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1620 verify_argslots(_masm, O1_stack_move, O0_argslot, O2_scratch, O3_scratch, true,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1621 "copied argument(s) must fall within current frame");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1622 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1623
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1624 // insert location is always the bottom of the argument list:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1625 __ neg(O1_stack_move);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1626 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	1627
1846 d55217dc206f 6829194: JSR 292 needs to support compressed oops twisti parents: 1579 diff changeset	1628 __ load_heap_oop(G3_mh_vmtarget, G3_method_handle);
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1629 __ jump_to_method_handle_entry(G3_method_handle, O1_scratch);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1630 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1631 break;
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1632
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1633 case _adapter_drop_args:
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1634 {
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1635 // 'argslot' is the position of the first argument to nuke.
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1636 load_vmargslot(_masm, G3_amh_vmargslot, O0_argslot);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1637 __ add(__ argument_address(O0_argslot, O0_argslot), O0_argslot);
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1638
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1639 // 'stack_move' is number of words to drop.
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1640 Register O1_stack_move = O1_scratch;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1641 load_stack_move(_masm, G3_amh_conversion, O1_stack_move);
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1642
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1643 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	1644
1846 d55217dc206f 6829194: JSR 292 needs to support compressed oops twisti parents: 1579 diff changeset	1645 __ load_heap_oop(G3_mh_vmtarget, G3_method_handle);
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1646 __ jump_to_method_handle_entry(G3_method_handle, O1_scratch);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1647 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1648 break;
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1649
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1650 case _adapter_collect_args:
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1651 case _adapter_fold_args:
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1652 case _adapter_spread_args:
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1653 // Handled completely by optimized cases.
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1654 __ stop("init_AdapterMethodHandle should not issue this");
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1655 break;
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1656
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1657 case _adapter_opt_collect_ref:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1658 case _adapter_opt_collect_int:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1659 case _adapter_opt_collect_long:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1660 case _adapter_opt_collect_float:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1661 case _adapter_opt_collect_double:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1662 case _adapter_opt_collect_void:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1663 case _adapter_opt_collect_0_ref:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1664 case _adapter_opt_collect_1_ref:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1665 case _adapter_opt_collect_2_ref:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1666 case _adapter_opt_collect_3_ref:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1667 case _adapter_opt_collect_4_ref:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1668 case _adapter_opt_collect_5_ref:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1669 case _adapter_opt_filter_S0_ref:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1670 case _adapter_opt_filter_S1_ref:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1671 case _adapter_opt_filter_S2_ref:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1672 case _adapter_opt_filter_S3_ref:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1673 case _adapter_opt_filter_S4_ref:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1674 case _adapter_opt_filter_S5_ref:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1675 case _adapter_opt_collect_2_S0_ref:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1676 case _adapter_opt_collect_2_S1_ref:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1677 case _adapter_opt_collect_2_S2_ref:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1678 case _adapter_opt_collect_2_S3_ref:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1679 case _adapter_opt_collect_2_S4_ref:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1680 case _adapter_opt_collect_2_S5_ref:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1681 case _adapter_opt_fold_ref:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1682 case _adapter_opt_fold_int:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1683 case _adapter_opt_fold_long:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1684 case _adapter_opt_fold_float:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1685 case _adapter_opt_fold_double:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1686 case _adapter_opt_fold_void:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1687 case _adapter_opt_fold_1_ref:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1688 case _adapter_opt_fold_2_ref:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1689 case _adapter_opt_fold_3_ref:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1690 case _adapter_opt_fold_4_ref:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1691 case _adapter_opt_fold_5_ref:
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	1692 {
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1693 // Given a fresh incoming stack frame, build a new ricochet frame.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1694 // On entry, TOS points at a return PC, and FP is the callers frame ptr.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1695 // RSI/R13 has the caller's exact stack pointer, which we must also preserve.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1696 // RCX contains an AdapterMethodHandle of the indicated kind.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1697
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1698 // Relevant AMH fields:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1699 // amh.vmargslot:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1700 // points to the trailing edge of the arguments
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1701 // to filter, collect, or fold. For a boxing operation,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1702 // it points just after the single primitive value.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1703 // amh.argument:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1704 // recursively called MH, on \|collect\| arguments
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1705 // amh.vmtarget:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1706 // final destination MH, on return value, etc.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1707 // amh.conversion.dest:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1708 // tells what is the type of the return value
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1709 // (not needed here, since dest is also derived from ek)
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1710 // amh.conversion.vminfo:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1711 // points to the trailing edge of the return value
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1712 // when the vmtarget is to be called; this is
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1713 // equal to vmargslot + (retained ? \|collect\| : 0)
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1714
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1715 // Pass 0 or more argument slots to the recursive target.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1716 int collect_count_constant = ek_adapter_opt_collect_count(ek);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1717
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1718 // The collected arguments are copied from the saved argument list:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1719 int collect_slot_constant = ek_adapter_opt_collect_slot(ek);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1720
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1721 assert(ek_orig == _adapter_collect_args \|\|
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1722 ek_orig == _adapter_fold_args, "");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1723 bool retain_original_args = (ek_orig == _adapter_fold_args);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1724
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1725 // The return value is replaced (or inserted) at the 'vminfo' argslot.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1726 // Sometimes we can compute this statically.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1727 int dest_slot_constant = -1;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1728 if (!retain_original_args)
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1729 dest_slot_constant = collect_slot_constant;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1730 else if (collect_slot_constant >= 0 && collect_count_constant >= 0)
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1731 // We are preserving all the arguments, and the return value is prepended,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1732 // so the return slot is to the left (above) the \|collect\| sequence.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1733 dest_slot_constant = collect_slot_constant + collect_count_constant;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1734
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1735 // Replace all those slots by the result of the recursive call.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1736 // The result type can be one of ref, int, long, float, double, void.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1737 // In the case of void, nothing is pushed on the stack after return.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1738 BasicType dest = ek_adapter_opt_collect_type(ek);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1739 assert(dest == type2wfield[dest], "dest is a stack slot type");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1740 int dest_count = type2size[dest];
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1741 assert(dest_count == 1 \|\| dest_count == 2 \|\| (dest_count == 0 && dest == T_VOID), "dest has a size");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1742
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1743 // Choose a return continuation.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1744 EntryKind ek_ret = _adapter_opt_return_any;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1745 if (dest != T_CONFLICT && OptimizeMethodHandles) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1746 switch (dest) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1747 case T_INT : ek_ret = _adapter_opt_return_int; break;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1748 case T_LONG : ek_ret = _adapter_opt_return_long; break;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1749 case T_FLOAT : ek_ret = _adapter_opt_return_float; break;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1750 case T_DOUBLE : ek_ret = _adapter_opt_return_double; break;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1751 case T_OBJECT : ek_ret = _adapter_opt_return_ref; break;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1752 case T_VOID : ek_ret = _adapter_opt_return_void; break;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1753 default : ShouldNotReachHere();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1754 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1755 if (dest == T_OBJECT && dest_slot_constant >= 0) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1756 EntryKind ek_try = EntryKind(_adapter_opt_return_S0_ref + dest_slot_constant);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1757 if (ek_try <= _adapter_opt_return_LAST &&
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1758 ek_adapter_opt_return_slot(ek_try) == dest_slot_constant) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1759 ek_ret = ek_try;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1760 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1761 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1762 assert(ek_adapter_opt_return_type(ek_ret) == dest, "");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1763 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1764
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1765 // Already pushed: ... keep1 \| collect \| keep2 \|
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1766
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1767 // Push a few extra argument words, if we need them to store the return value.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1768 {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1769 int extra_slots = 0;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1770 if (retain_original_args) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1771 extra_slots = dest_count;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1772 } else if (collect_count_constant == -1) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1773 extra_slots = dest_count; // collect_count might be zero; be generous
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1774 } else if (dest_count > collect_count_constant) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1775 extra_slots = (dest_count - collect_count_constant);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1776 } else {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1777 // else we know we have enough dead space in \|collect\| to repurpose for return values
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1778 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1779 if (extra_slots != 0) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1780 __ sub(SP, round_to(extra_slots, 2) * Interpreter::stackElementSize, SP);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1781 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1782 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1783
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1784 // Set up Ricochet Frame.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1785 __ mov(SP, O5_savedSP); // record SP for the callee
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1786
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1787 // One extra (empty) slot for outgoing target MH (see Gargs computation below).
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1788 __ save_frame(2); // Note: we need to add 2 slots since frame::memory_parameter_word_sp_offset is 23.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1789
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1790 // Note: Gargs is live throughout the following, until we make our recursive call.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1791 // And the RF saves a copy in L4_saved_args_base.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1792
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1793 RicochetFrame::enter_ricochet_frame(_masm, G3_method_handle, Gargs,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1794 entry(ek_ret)->from_interpreted_entry());
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1795
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1796 // Compute argument base:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1797 // Set up Gargs for current frame, extra (empty) slot is for outgoing target MH (space reserved by save_frame above).
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1798 __ add(FP, STACK_BIAS - (1 * Interpreter::stackElementSize), Gargs);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1799
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1800 // Now pushed: ... keep1 \| collect \| keep2 \| extra \| [RF]
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1801
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1802 #ifdef ASSERT
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1803 if (VerifyMethodHandles && dest != T_CONFLICT) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1804 BLOCK_COMMENT("verify AMH.conv.dest {");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1805 extract_conversion_dest_type(_masm, RicochetFrame::L5_conversion, O1_scratch);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1806 Label L_dest_ok;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1807 __ cmp(O1_scratch, (int) dest);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1808 __ br(Assembler::equal, false, Assembler::pt, L_dest_ok);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1809 __ delayed()->nop();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1810 if (dest == T_INT) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1811 for (int bt = T_BOOLEAN; bt < T_INT; bt++) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1812 if (is_subword_type(BasicType(bt))) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1813 __ cmp(O1_scratch, (int) bt);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1814 __ br(Assembler::equal, false, Assembler::pt, L_dest_ok);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1815 __ delayed()->nop();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1816 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1817 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1818 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1819 __ stop("bad dest in AMH.conv");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1820 __ BIND(L_dest_ok);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1821 BLOCK_COMMENT("} verify AMH.conv.dest");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1822 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1823 #endif //ASSERT
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1824
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1825 // Find out where the original copy of the recursive argument sequence begins.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1826 Register O0_coll = O0_scratch;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1827 {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1828 RegisterOrConstant collect_slot = collect_slot_constant;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1829 if (collect_slot_constant == -1) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1830 load_vmargslot(_masm, G3_amh_vmargslot, O1_scratch);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1831 collect_slot = O1_scratch;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1832 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1833 // collect_slot might be 0, but we need the move anyway.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1834 __ add(RicochetFrame::L4_saved_args_base, __ argument_offset(collect_slot, collect_slot.register_or_noreg()), O0_coll);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1835 // O0_coll now points at the trailing edge of \|collect\| and leading edge of \|keep2\|
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1836 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1837
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1838 // Replace the old AMH with the recursive MH. (No going back now.)
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1839 // In the case of a boxing call, the recursive call is to a 'boxer' method,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1840 // such as Integer.valueOf or Long.valueOf. In the case of a filter
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1841 // or collect call, it will take one or more arguments, transform them,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1842 // and return some result, to store back into argument_base[vminfo].
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1843 __ load_heap_oop(G3_amh_argument, G3_method_handle);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1844 if (VerifyMethodHandles) verify_method_handle(_masm, G3_method_handle, O1_scratch, O2_scratch);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1845
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1846 // Calculate \|collect\|, the number of arguments we are collecting.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1847 Register O1_collect_count = O1_scratch;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1848 RegisterOrConstant collect_count;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1849 if (collect_count_constant < 0) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1850 __ load_method_handle_vmslots(O1_collect_count, G3_method_handle, O2_scratch);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1851 collect_count = O1_collect_count;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1852 } else {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1853 collect_count = collect_count_constant;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1854 #ifdef ASSERT
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1855 if (VerifyMethodHandles) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1856 BLOCK_COMMENT("verify collect_count_constant {");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1857 __ load_method_handle_vmslots(O3_scratch, G3_method_handle, O2_scratch);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1858 Label L_count_ok;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1859 __ cmp(O3_scratch, collect_count_constant);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1860 __ br(Assembler::equal, false, Assembler::pt, L_count_ok);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1861 __ delayed()->nop();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1862 __ stop("bad vminfo in AMH.conv");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1863 __ BIND(L_count_ok);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1864 BLOCK_COMMENT("} verify collect_count_constant");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1865 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1866 #endif //ASSERT
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1867 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1868
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1869 // copy \|collect\| slots directly to TOS:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1870 push_arg_slots(_masm, O0_coll, collect_count, O2_scratch, O3_scratch);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1871 // Now pushed: ... keep1 \| collect \| keep2 \| RF... \| collect \|
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1872 // O0_coll still points at the trailing edge of \|collect\| and leading edge of \|keep2\|
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1873
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1874 // If necessary, adjust the saved arguments to make room for the eventual return value.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1875 // Normal adjustment: ... keep1 \| +dest+ \| -collect- \| keep2 \| RF... \| collect \|
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1876 // If retaining args: ... keep1 \| +dest+ \| collect \| keep2 \| RF... \| collect \|
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1877 // In the non-retaining case, this might move keep2 either up or down.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1878 // We don't have to copy the whole \| RF... collect \| complex,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1879 // but we must adjust RF.saved_args_base.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1880 // Also, from now on, we will forget about the original copy of \|collect\|.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1881 // If we are retaining it, we will treat it as part of \|keep2\|.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1882 // For clarity we will define \|keep3\| = \|collect\|keep2\| or \|keep2\|.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1883
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1884 BLOCK_COMMENT("adjust trailing arguments {");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1885 // Compare the sizes of \|+dest+\| and \|-collect-\|, which are opposed opening and closing movements.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1886 int open_count = dest_count;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1887 RegisterOrConstant close_count = collect_count_constant;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1888 Register O1_close_count = O1_collect_count;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1889 if (retain_original_args) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1890 close_count = constant(0);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1891 } else if (collect_count_constant == -1) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1892 close_count = O1_collect_count;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1893 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1894
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1895 // How many slots need moving? This is simply dest_slot (0 => no \|keep3\|).
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1896 RegisterOrConstant keep3_count;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1897 Register O2_keep3_count = O2_scratch;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1898 if (dest_slot_constant < 0) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1899 extract_conversion_vminfo(_masm, RicochetFrame::L5_conversion, O2_keep3_count);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1900 keep3_count = O2_keep3_count;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1901 } else {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1902 keep3_count = dest_slot_constant;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1903 #ifdef ASSERT
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1904 if (VerifyMethodHandles && dest_slot_constant < 0) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1905 BLOCK_COMMENT("verify dest_slot_constant {");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1906 extract_conversion_vminfo(_masm, RicochetFrame::L5_conversion, O3_scratch);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1907 Label L_vminfo_ok;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1908 __ cmp(O3_scratch, dest_slot_constant);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1909 __ br(Assembler::equal, false, Assembler::pt, L_vminfo_ok);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1910 __ delayed()->nop();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1911 __ stop("bad vminfo in AMH.conv");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1912 __ BIND(L_vminfo_ok);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1913 BLOCK_COMMENT("} verify dest_slot_constant");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1914 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1915 #endif //ASSERT
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1916 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1917
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1918 // tasks remaining:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1919 bool move_keep3 = (!keep3_count.is_constant() \|\| keep3_count.as_constant() != 0);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1920 bool stomp_dest = (NOT_DEBUG(dest == T_OBJECT) DEBUG_ONLY(dest_count != 0));
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1921 bool fix_arg_base = (!close_count.is_constant() \|\| open_count != close_count.as_constant());
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1922
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1923 // Old and new argument locations (based at slot 0).
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1924 // Net shift (&new_argv - &old_argv) is (close_count - open_count).
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1925 bool zero_open_count = (open_count == 0); // remember this bit of info
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1926 if (move_keep3 && fix_arg_base) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1927 // It will be easier to have everything in one register:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1928 if (close_count.is_register()) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1929 // Deduct open_count from close_count register to get a clean +/- value.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1930 __ sub(close_count.as_register(), open_count, close_count.as_register());
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1931 } else {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1932 close_count = close_count.as_constant() - open_count;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1933 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1934 open_count = 0;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1935 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1936 Register L4_old_argv = RicochetFrame::L4_saved_args_base;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1937 Register O3_new_argv = O3_scratch;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1938 if (fix_arg_base) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1939 __ add(L4_old_argv, __ argument_offset(close_count, O4_scratch), O3_new_argv,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1940 -(open_count * Interpreter::stackElementSize));
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1941 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1942
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1943 // First decide if any actual data are to be moved.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1944 // We can skip if (a) \|keep3\| is empty, or (b) the argument list size didn't change.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1945 // (As it happens, all movements involve an argument list size change.)
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1946
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1947 // If there are variable parameters, use dynamic checks to skip around the whole mess.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1948 Label L_done;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1949 if (keep3_count.is_register()) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1950 __ tst(keep3_count.as_register());
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1951 __ br(Assembler::zero, false, Assembler::pn, L_done);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1952 __ delayed()->nop();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1953 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1954 if (close_count.is_register()) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1955 __ cmp(close_count.as_register(), open_count);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1956 __ br(Assembler::equal, false, Assembler::pn, L_done);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1957 __ delayed()->nop();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1958 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1959
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1960 if (move_keep3 && fix_arg_base) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1961 bool emit_move_down = false, emit_move_up = false, emit_guard = false;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1962 if (!close_count.is_constant()) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1963 emit_move_down = emit_guard = !zero_open_count;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1964 emit_move_up = true;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1965 } else if (open_count != close_count.as_constant()) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1966 emit_move_down = (open_count > close_count.as_constant());
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1967 emit_move_up = !emit_move_down;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1968 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1969 Label L_move_up;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1970 if (emit_guard) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1971 __ cmp(close_count.as_register(), open_count);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1972 __ br(Assembler::greater, false, Assembler::pn, L_move_up);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1973 __ delayed()->nop();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1974 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1975
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1976 if (emit_move_down) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1977 // Move arguments down if \|+dest+\| > \|-collect-\|
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1978 // (This is rare, except when arguments are retained.)
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1979 // This opens space for the return value.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1980 if (keep3_count.is_constant()) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1981 for (int i = 0; i < keep3_count.as_constant(); i++) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1982 __ ld_ptr( Address(L4_old_argv, i * Interpreter::stackElementSize), O4_scratch);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1983 __ st_ptr(O4_scratch, Address(O3_new_argv, i * Interpreter::stackElementSize) );
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1984 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1985 } else {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1986 // Live: O1_close_count, O2_keep3_count, O3_new_argv
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1987 Register argv_top = O0_scratch;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1988 __ add(L4_old_argv, __ argument_offset(keep3_count, O4_scratch), argv_top);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1989 move_arg_slots_down(_masm,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1990 Address(L4_old_argv, 0), // beginning of old argv
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1991 argv_top, // end of old argv
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1992 close_count, // distance to move down (must be negative)
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1993 O4_scratch, G5_scratch);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1994 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1995 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1996
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1997 if (emit_guard) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1998 __ ba(false, L_done); // assumes emit_move_up is true also
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	1999 __ delayed()->nop();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2000 __ BIND(L_move_up);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2001 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2002
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2003 if (emit_move_up) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2004 // Move arguments up if \|+dest+\| < \|-collect-\|
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2005 // (This is usual, except when \|keep3\| is empty.)
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2006 // This closes up the space occupied by the now-deleted collect values.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2007 if (keep3_count.is_constant()) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2008 for (int i = keep3_count.as_constant() - 1; i >= 0; i--) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2009 __ ld_ptr( Address(L4_old_argv, i * Interpreter::stackElementSize), O4_scratch);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2010 __ st_ptr(O4_scratch, Address(O3_new_argv, i * Interpreter::stackElementSize) );
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2011 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2012 } else {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2013 Address argv_top(L4_old_argv, __ argument_offset(keep3_count, O4_scratch));
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2014 // Live: O1_close_count, O2_keep3_count, O3_new_argv
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2015 move_arg_slots_up(_masm,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2016 L4_old_argv, // beginning of old argv
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2017 argv_top, // end of old argv
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2018 close_count, // distance to move up (must be positive)
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2019 O4_scratch, G5_scratch);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2020 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2021 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2022 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2023 __ BIND(L_done);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2024
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2025 if (fix_arg_base) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2026 // adjust RF.saved_args_base
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2027 __ mov(O3_new_argv, RicochetFrame::L4_saved_args_base);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2028 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2029
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2030 if (stomp_dest) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2031 // Stomp the return slot, so it doesn't hold garbage.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2032 // This isn't strictly necessary, but it may help detect bugs.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2033 __ set(RicochetFrame::RETURN_VALUE_PLACEHOLDER, O4_scratch);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2034 __ st_ptr(O4_scratch, Address(RicochetFrame::L4_saved_args_base,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2035 __ argument_offset(keep3_count, keep3_count.register_or_noreg()))); // uses O2_keep3_count
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2036 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2037 BLOCK_COMMENT("} adjust trailing arguments");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2038
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2039 BLOCK_COMMENT("do_recursive_call");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2040 __ mov(SP, O5_savedSP); // record SP for the callee
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2041 __ set(ExternalAddress(SharedRuntime::ricochet_blob()->bounce_addr() - frame::pc_return_offset), O7);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2042 // The globally unique bounce address has two purposes:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2043 // 1. It helps the JVM recognize this frame (frame::is_ricochet_frame).
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2044 // 2. When returned to, it cuts back the stack and redirects control flow
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2045 // to the return handler.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2046 // The return handler will further cut back the stack when it takes
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2047 // down the RF. Perhaps there is a way to streamline this further.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2048
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2049 // State during recursive call:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2050 // ... keep1 \| dest \| dest=42 \| keep3 \| RF... \| collect \| bounce_pc \|
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2051 __ jump_to_method_handle_entry(G3_method_handle, O1_scratch);
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	2052 }
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	2053 break;
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	2054
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2055 case _adapter_opt_return_ref:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2056 case _adapter_opt_return_int:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2057 case _adapter_opt_return_long:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2058 case _adapter_opt_return_float:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2059 case _adapter_opt_return_double:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2060 case _adapter_opt_return_void:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2061 case _adapter_opt_return_S0_ref:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2062 case _adapter_opt_return_S1_ref:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2063 case _adapter_opt_return_S2_ref:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2064 case _adapter_opt_return_S3_ref:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2065 case _adapter_opt_return_S4_ref:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2066 case _adapter_opt_return_S5_ref:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2067 {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2068 BasicType dest_type_constant = ek_adapter_opt_return_type(ek);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2069 int dest_slot_constant = ek_adapter_opt_return_slot(ek);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2070
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2071 if (VerifyMethodHandles) RicochetFrame::verify_clean(_masm);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2072
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2073 if (dest_slot_constant == -1) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2074 // The current stub is a general handler for this dest_type.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2075 // It can be called from _adapter_opt_return_any below.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2076 // Stash the address in a little table.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2077 assert((dest_type_constant & CONV_TYPE_MASK) == dest_type_constant, "oob");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2078 address return_handler = __ pc();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2079 _adapter_return_handlers[dest_type_constant] = return_handler;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2080 if (dest_type_constant == T_INT) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2081 // do the subword types too
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2082 for (int bt = T_BOOLEAN; bt < T_INT; bt++) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2083 if (is_subword_type(BasicType(bt)) &&
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2084 _adapter_return_handlers[bt] == NULL) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2085 _adapter_return_handlers[bt] = return_handler;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2086 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2087 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2088 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2089 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2090
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2091 // On entry to this continuation handler, make Gargs live again.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2092 __ mov(RicochetFrame::L4_saved_args_base, Gargs);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2093
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2094 Register O7_temp = O7;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2095 Register O5_vminfo = O5;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2096
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2097 RegisterOrConstant dest_slot = dest_slot_constant;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2098 if (dest_slot_constant == -1) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2099 extract_conversion_vminfo(_masm, RicochetFrame::L5_conversion, O5_vminfo);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2100 dest_slot = O5_vminfo;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2101 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2102 // Store the result back into the argslot.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2103 // This code uses the interpreter calling sequence, in which the return value
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2104 // is usually left in the TOS register, as defined by InterpreterMacroAssembler::pop.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2105 // There are certain irregularities with floating point values, which can be seen
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2106 // in TemplateInterpreterGenerator::generate_return_entry_for.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2107 move_return_value(_masm, dest_type_constant, __ argument_address(dest_slot, O7_temp));
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2108
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2109 RicochetFrame::leave_ricochet_frame(_masm, G3_method_handle, I5_savedSP, I7);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2110
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2111 // Load the final target and go.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2112 if (VerifyMethodHandles) verify_method_handle(_masm, G3_method_handle, O0_scratch, O1_scratch);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2113 __ restore(I5_savedSP, G0, SP);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2114 __ jump_to_method_handle_entry(G3_method_handle, O0_scratch);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2115 __ illtrap(0);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2116 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2117 break;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2118
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2119 case _adapter_opt_return_any:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2120 {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2121 Register O7_temp = O7;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2122 Register O5_dest_type = O5;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2123
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2124 if (VerifyMethodHandles) RicochetFrame::verify_clean(_masm);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2125 extract_conversion_dest_type(_masm, RicochetFrame::L5_conversion, O5_dest_type);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2126 __ set(ExternalAddress((address) &_adapter_return_handlers[0]), O7_temp);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2127 __ sll_ptr(O5_dest_type, LogBytesPerWord, O5_dest_type);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2128 __ ld_ptr(O7_temp, O5_dest_type, O7_temp);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2129
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2130 #ifdef ASSERT
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2131 { Label L_ok;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2132 __ br_notnull(O7_temp, false, Assembler::pt, L_ok);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2133 __ delayed()->nop();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2134 __ stop("bad method handle return");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2135 __ BIND(L_ok);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2136 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2137 #endif //ASSERT
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2138 __ JMP(O7_temp, 0);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2139 __ delayed()->nop();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2140 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2141 break;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2142
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2143 case _adapter_opt_spread_0:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2144 case _adapter_opt_spread_1_ref:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2145 case _adapter_opt_spread_2_ref:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2146 case _adapter_opt_spread_3_ref:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2147 case _adapter_opt_spread_4_ref:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2148 case _adapter_opt_spread_5_ref:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2149 case _adapter_opt_spread_ref:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2150 case _adapter_opt_spread_byte:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2151 case _adapter_opt_spread_char:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2152 case _adapter_opt_spread_short:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2153 case _adapter_opt_spread_int:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2154 case _adapter_opt_spread_long:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2155 case _adapter_opt_spread_float:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2156 case _adapter_opt_spread_double:
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2157 {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2158 // spread an array out into a group of arguments
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2159 int length_constant = ek_adapter_opt_spread_count(ek);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2160 bool length_can_be_zero = (length_constant == 0);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2161 if (length_constant < 0) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2162 // some adapters with variable length must handle the zero case
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2163 if (!OptimizeMethodHandles \|\|
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2164 ek_adapter_opt_spread_type(ek) != T_OBJECT)
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2165 length_can_be_zero = true;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2166 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2167
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2168 // find the address of the array argument
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2169 load_vmargslot(_masm, G3_amh_vmargslot, O0_argslot);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2170 __ add(__ argument_address(O0_argslot, O0_argslot), O0_argslot);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2171
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2172 // O0_argslot points both to the array and to the first output arg
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2173 Address vmarg = Address(O0_argslot, 0);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2174
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2175 // Get the array value.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2176 Register O1_array = O1_scratch;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2177 Register O2_array_klass = O2_scratch;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2178 BasicType elem_type = ek_adapter_opt_spread_type(ek);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2179 int elem_slots = type2size[elem_type]; // 1 or 2
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2180 int array_slots = 1; // array is always a T_OBJECT
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2181 int length_offset = arrayOopDesc::length_offset_in_bytes();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2182 int elem0_offset = arrayOopDesc::base_offset_in_bytes(elem_type);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2183 __ ld_ptr(vmarg, O1_array);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2184
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2185 Label L_array_is_empty, L_insert_arg_space, L_copy_args, L_args_done;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2186 if (length_can_be_zero) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2187 // handle the null pointer case, if zero is allowed
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2188 Label L_skip;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2189 if (length_constant < 0) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2190 load_conversion_vminfo(_masm, G3_amh_conversion, O3_scratch);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2191 __ br_zero(Assembler::notZero, false, Assembler::pn, O3_scratch, L_skip);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2192 __ delayed()->nop();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2193 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2194 __ br_null(O1_array, false, Assembler::pn, L_array_is_empty);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2195 __ delayed()->nop();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2196 __ BIND(L_skip);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2197 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2198 __ null_check(O1_array, oopDesc::klass_offset_in_bytes());
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2199 __ load_klass(O1_array, O2_array_klass);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2200
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2201 // Check the array type.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2202 Register O3_klass = O3_scratch;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2203 __ load_heap_oop(G3_amh_argument, O3_klass); // this is a Class object!
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2204 load_klass_from_Class(_masm, O3_klass, O4_scratch, G5_scratch);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2205
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2206 Label L_ok_array_klass, L_bad_array_klass, L_bad_array_length;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2207 __ check_klass_subtype(O2_array_klass, O3_klass, O4_scratch, G5_scratch, L_ok_array_klass);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2208 // If we get here, the type check failed!
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2209 __ ba(false, L_bad_array_klass);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2210 __ delayed()->nop();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2211 __ BIND(L_ok_array_klass);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2212
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2213 // Check length.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2214 if (length_constant >= 0) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2215 __ ldsw(Address(O1_array, length_offset), O4_scratch);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2216 __ cmp(O4_scratch, length_constant);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2217 } else {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2218 Register O3_vminfo = O3_scratch;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2219 load_conversion_vminfo(_masm, G3_amh_conversion, O3_vminfo);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2220 __ ldsw(Address(O1_array, length_offset), O4_scratch);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2221 __ cmp(O3_vminfo, O4_scratch);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2222 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2223 __ br(Assembler::notEqual, false, Assembler::pn, L_bad_array_length);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2224 __ delayed()->nop();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2225
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2226 Register O2_argslot_limit = O2_scratch;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2227
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2228 // Array length checks out. Now insert any required stack slots.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2229 if (length_constant == -1) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2230 // Form a pointer to the end of the affected region.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2231 __ add(O0_argslot, Interpreter::stackElementSize, O2_argslot_limit);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2232 // 'stack_move' is negative number of words to insert
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2233 // This number already accounts for elem_slots.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2234 Register O3_stack_move = O3_scratch;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2235 load_stack_move(_masm, G3_amh_conversion, O3_stack_move);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2236 __ cmp(O3_stack_move, 0);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2237 assert(stack_move_unit() < 0, "else change this comparison");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2238 __ br(Assembler::less, false, Assembler::pn, L_insert_arg_space);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2239 __ delayed()->nop();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2240 __ br(Assembler::equal, false, Assembler::pn, L_copy_args);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2241 __ delayed()->nop();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2242 // single argument case, with no array movement
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2243 __ BIND(L_array_is_empty);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2244 remove_arg_slots(_masm, -stack_move_unit() * array_slots,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2245 O0_argslot, O1_scratch, O2_scratch, O3_scratch);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2246 __ ba(false, L_args_done); // no spreading to do
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2247 __ delayed()->nop();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2248 __ BIND(L_insert_arg_space);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2249 // come here in the usual case, stack_move < 0 (2 or more spread arguments)
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2250 // Live: O1_array, O2_argslot_limit, O3_stack_move
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2251 insert_arg_slots(_masm, O3_stack_move,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2252 O0_argslot, O4_scratch, G5_scratch, O1_scratch);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2253 // reload from rdx_argslot_limit since rax_argslot is now decremented
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2254 __ ld_ptr(Address(O2_argslot_limit, -Interpreter::stackElementSize), O1_array);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2255 } else if (length_constant >= 1) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2256 int new_slots = (length_constant * elem_slots) - array_slots;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2257 insert_arg_slots(_masm, new_slots * stack_move_unit(),
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2258 O0_argslot, O2_scratch, O3_scratch, O4_scratch);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2259 } else if (length_constant == 0) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2260 __ BIND(L_array_is_empty);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2261 remove_arg_slots(_masm, -stack_move_unit() * array_slots,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2262 O0_argslot, O1_scratch, O2_scratch, O3_scratch);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2263 } else {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2264 ShouldNotReachHere();
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2265 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2266
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2267 // Copy from the array to the new slots.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2268 // Note: Stack change code preserves integrity of O0_argslot pointer.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2269 // So even after slot insertions, O0_argslot still points to first argument.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2270 // Beware: Arguments that are shallow on the stack are deep in the array,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2271 // and vice versa. So a downward-growing stack (the usual) has to be copied
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2272 // elementwise in reverse order from the source array.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2273 __ BIND(L_copy_args);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2274 if (length_constant == -1) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2275 // [O0_argslot, O2_argslot_limit) is the area we are inserting into.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2276 // Array element [0] goes at O0_argslot_limit[-wordSize].
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2277 Register O1_source = O1_array;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2278 __ add(Address(O1_array, elem0_offset), O1_source);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2279 Register O4_fill_ptr = O4_scratch;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2280 __ mov(O2_argslot_limit, O4_fill_ptr);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2281 Label L_loop;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2282 __ BIND(L_loop);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2283 __ add(O4_fill_ptr, -Interpreter::stackElementSize * elem_slots, O4_fill_ptr);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2284 move_typed_arg(_masm, elem_type, true,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2285 Address(O1_source, 0), Address(O4_fill_ptr, 0),
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2286 O2_scratch); // must be an even register for !_LP64 long moves (uses O2/O3)
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2287 __ add(O1_source, type2aelembytes(elem_type), O1_source);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2288 __ cmp(O4_fill_ptr, O0_argslot);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2289 __ brx(Assembler::greaterUnsigned, false, Assembler::pt, L_loop);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2290 __ delayed()->nop(); // FILLME
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2291 } else if (length_constant == 0) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2292 // nothing to copy
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2293 } else {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2294 int elem_offset = elem0_offset;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2295 int slot_offset = length_constant * Interpreter::stackElementSize;
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2296 for (int index = 0; index < length_constant; index++) {
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2297 slot_offset -= Interpreter::stackElementSize * elem_slots; // fill backward
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2298 move_typed_arg(_masm, elem_type, true,
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2299 Address(O1_array, elem_offset), Address(O0_argslot, slot_offset),
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2300 O2_scratch); // must be an even register for !_LP64 long moves (uses O2/O3)
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2301 elem_offset += type2aelembytes(elem_type);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2302 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2303 }
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2304 __ BIND(L_args_done);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2305
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2306 // Arguments are spread. Move to next method handle.
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2307 __ load_heap_oop(G3_mh_vmtarget, G3_method_handle);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2308 __ jump_to_method_handle_entry(G3_method_handle, O1_scratch);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2309
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2310 __ BIND(L_bad_array_klass);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2311 assert(!vmarg.uses(O2_required), "must be different registers");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2312 __ load_heap_oop(Address(O2_array_klass, java_mirror_offset), O2_required); // required class
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2313 __ ld_ptr( vmarg, O1_actual); // bad object
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2314 __ jump_to(AddressLiteral(from_interpreted_entry(_raise_exception)), O3_scratch);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2315 __ delayed()->mov(Bytecodes::_aaload, O0_code); // who is complaining?
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2316
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2317 __ bind(L_bad_array_length);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2318 assert(!vmarg.uses(O2_required), "must be different registers");
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2319 __ mov( G3_method_handle, O2_required); // required class
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2320 __ ld_ptr(vmarg, O1_actual); // bad object
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2321 __ jump_to(AddressLiteral(from_interpreted_entry(_raise_exception)), O3_scratch);
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2322 __ delayed()->mov(Bytecodes::_arraylength, O0_code); // who is complaining?
cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2323 }
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	2324 break;
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	2325
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	2326 default:
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2327 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	2328 ShouldNotReachHere();
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	2329 }
3753 cba7b5c2d53f 7045514: SPARC assembly code for JSR 292 ricochet frames never parents: 3371 diff changeset	2330 BLOCK_COMMENT(err_msg("} Entry %s", entry_name(ek)));
1503 c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	2331
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	2332 address me_cookie = MethodHandleEntry::start_compiled_entry(_masm, interp_entry);
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	2333 __ unimplemented(entry_name(ek)); // %%% FIXME: NYI
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	2334
c640000b7cc1 6829193: JSR 292 needs to support SPARC twisti parents: 710 diff changeset	2335 init_entry(ek, MethodHandleEntry::finish_compiled_entry(_masm, me_cookie));
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	2336 }

Mercurial > hg > truffle

annotate src/cpu/sparc/vm/methodHandles_sparc.cpp @ 3757:f8c9417e3571