graal-compiler: src/cpu/x86/vm/methodHandles

annotate src/cpu/x86/vm/methodHandles_x86.cpp @ 3363:167b70ff3abc

6939861: JVM should handle more conversion operations Reviewed-by: twisti, jrose

author	never
date	Fri, 06 May 2011 16:33:13 -0700
parents	2e038ad0c1d0
children	fabcf26ee72f

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) 1997, 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: 1872 diff changeset	25 #include "precompiled.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1872 diff changeset	26 #include "interpreter/interpreter.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1872 diff changeset	27 #include "memory/allocation.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1872 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
1793 d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	32 #ifdef PRODUCT
d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	33 #define BLOCK_COMMENT(str) /* nothing */
d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	34 #else
d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	35 #define BLOCK_COMMENT(str) __ block_comment(str)
d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	36 #endif
d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	37
d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	38 #define BIND(label) bind(label); BLOCK_COMMENT(#label ":")
d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 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) {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	42 // Just before the actual machine code entry point, allocate space
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	43 // for a MethodHandleEntry::Data record, so that we can manage everything
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	44 // from one base pointer.
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
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	72 // stack walking support
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	73
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	74 frame MethodHandles::ricochet_frame_sender(const frame& fr, RegisterMap *map) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	75 RicochetFrame* f = RicochetFrame::from_frame(fr);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	76 if (map->update_map())
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	77 frame::update_map_with_saved_link(map, &f->_sender_link);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	78 return frame(f->extended_sender_sp(), f->exact_sender_sp(), f->sender_link(), f->sender_pc());
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	79 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	80
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	81 void MethodHandles::ricochet_frame_oops_do(const frame& fr, OopClosure* blk, const RegisterMap* reg_map) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	82 RicochetFrame* f = RicochetFrame::from_frame(fr);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	83
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	84 // pick up the argument type descriptor:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	85 Thread* thread = Thread::current();
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	86 Handle cookie(thread, f->compute_saved_args_layout(true, true));
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	87
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	88 // process fixed part
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	89 blk->do_oop((oop*)f->saved_target_addr());
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	90 blk->do_oop((oop*)f->saved_args_layout_addr());
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	91
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	92 // process variable arguments:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	93 if (cookie.is_null()) return; // no arguments to describe
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	94
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	95 // the cookie is actually the invokeExact method for my target
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	96 // his argument signature is what I'm interested in
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	97 assert(cookie->is_method(), "");
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	98 methodHandle invoker(thread, methodOop(cookie()));
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	99 assert(invoker->name() == vmSymbols::invokeExact_name(), "must be this kind of method");
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	100 assert(!invoker->is_static(), "must have MH argument");
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	101 int slot_count = invoker->size_of_parameters();
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	102 assert(slot_count >= 1, "must include 'this'");
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	103 intptr_t* base = f->saved_args_base();
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	104 intptr_t* retval = NULL;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	105 if (f->has_return_value_slot())
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	106 retval = f->return_value_slot_addr();
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	107 int slot_num = slot_count;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	108 intptr_t* loc = &base[slot_num -= 1];
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	109 //blk->do_oop((oop*) loc); // original target, which is irrelevant
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	110 int arg_num = 0;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	111 for (SignatureStream ss(invoker->signature()); !ss.is_done(); ss.next()) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	112 if (ss.at_return_type()) continue;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	113 BasicType ptype = ss.type();
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	114 if (ptype == T_ARRAY) ptype = T_OBJECT; // fold all refs to T_OBJECT
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	115 assert(ptype >= T_BOOLEAN && ptype <= T_OBJECT, "not array or void");
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	116 loc = &base[slot_num -= type2size[ptype]];
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	117 bool is_oop = (ptype == T_OBJECT && loc != retval);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	118 if (is_oop) blk->do_oop((oop*)loc);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	119 arg_num += 1;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	120 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	121 assert(slot_num == 0, "must have processed all the arguments");
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	122 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	123
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	124 oop MethodHandles::RicochetFrame::compute_saved_args_layout(bool read_cache, bool write_cache) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	125 oop cookie = NULL;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	126 if (read_cache) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	127 cookie = saved_args_layout();
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	128 if (cookie != NULL) return cookie;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	129 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	130 oop target = saved_target();
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	131 oop mtype = java_lang_invoke_MethodHandle::type(target);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	132 oop mtform = java_lang_invoke_MethodType::form(mtype);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	133 cookie = java_lang_invoke_MethodTypeForm::vmlayout(mtform);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	134 if (write_cache) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	135 (*saved_args_layout_addr()) = cookie;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	136 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	137 return cookie;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	138 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	139
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	140 void MethodHandles::RicochetFrame::generate_ricochet_blob(MacroAssembler* _masm,
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	141 // output params:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	142 int* frame_size_in_words,
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	143 int* bounce_offset,
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	144 int* exception_offset) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	145 (*frame_size_in_words) = RicochetFrame::frame_size_in_bytes() / wordSize;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	146
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	147 address start = __ pc();
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	148
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	149 #ifdef ASSERT
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	150 __ hlt(); __ hlt(); __ hlt();
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	151 // here's a hint of something special:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	152 __ push(MAGIC_NUMBER_1);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	153 __ push(MAGIC_NUMBER_2);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	154 #endif //ASSERT
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	155 __ hlt(); // not reached
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	156
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	157 // A return PC has just been popped from the stack.
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	158 // Return values are in registers.
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	159 // The ebp points into the RicochetFrame, which contains
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	160 // a cleanup continuation we must return to.
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	161
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	162 (*bounce_offset) = __ pc() - start;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	163 BLOCK_COMMENT("ricochet_blob.bounce");
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	164
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	165 if (VerifyMethodHandles) RicochetFrame::verify_clean(_masm);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	166 trace_method_handle(_masm, "ricochet_blob.bounce");
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	167
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	168 __ jmp(frame_address(continuation_offset_in_bytes()));
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	169 __ hlt();
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	170 DEBUG_ONLY(__ push(MAGIC_NUMBER_2));
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	171
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	172 (*exception_offset) = __ pc() - start;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	173 BLOCK_COMMENT("ricochet_blob.exception");
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	174
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	175 // compare this to Interpreter::rethrow_exception_entry, which is parallel code
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	176 // for example, see TemplateInterpreterGenerator::generate_throw_exception
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	177 // Live registers in:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	178 // rax: exception
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	179 // rdx: return address/pc that threw exception (ignored, always equal to bounce addr)
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	180 __ verify_oop(rax);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	181
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	182 // no need to empty_FPU_stack or reinit_heapbase, since caller frame will do the same if needed
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	183
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	184 // Take down the frame.
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	185
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	186 // Cf. InterpreterMacroAssembler::remove_activation.
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	187 leave_ricochet_frame(_masm, /rcx_recv=/ noreg,
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	188 saved_last_sp_register(),
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	189 /sender_pc_reg=/ rdx);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	190
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	191 // In between activations - previous activation type unknown yet
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	192 // compute continuation point - the continuation point expects the
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	193 // following registers set up:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	194 //
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	195 // rax: exception
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	196 // rdx: return address/pc that threw exception
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	197 // rsp: expression stack of caller
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	198 // rbp: ebp of caller
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	199 __ push(rax); // save exception
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	200 __ push(rdx); // save return address
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	201 Register thread_reg = LP64_ONLY(r15_thread) NOT_LP64(rdi);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	202 NOT_LP64(__ get_thread(thread_reg));
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	203 __ call_VM_leaf(CAST_FROM_FN_PTR(address,
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	204 SharedRuntime::exception_handler_for_return_address),
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	205 thread_reg, rdx);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	206 __ mov(rbx, rax); // save exception handler
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	207 __ pop(rdx); // restore return address
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	208 __ pop(rax); // restore exception
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	209 __ jmp(rbx); // jump to exception
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	210 // handler of caller
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	211 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	212
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	213 void MethodHandles::RicochetFrame::enter_ricochet_frame(MacroAssembler* _masm,
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	214 Register rcx_recv,
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	215 Register rax_argv,
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	216 address return_handler,
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	217 Register rbx_temp) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	218 const Register saved_last_sp = saved_last_sp_register();
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	219 Address rcx_mh_vmtarget( rcx_recv, java_lang_invoke_MethodHandle::vmtarget_offset_in_bytes() );
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	220 Address rcx_amh_conversion( rcx_recv, java_lang_invoke_AdapterMethodHandle::conversion_offset_in_bytes() );
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	221
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	222 // Push the RicochetFrame a word at a time.
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	223 // This creates something similar to an interpreter frame.
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	224 // Cf. TemplateInterpreterGenerator::generate_fixed_frame.
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	225 BLOCK_COMMENT("push RicochetFrame {");
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	226 DEBUG_ONLY(int rfo = (int) sizeof(RicochetFrame));
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	227 assert((rfo -= wordSize) == RicochetFrame::sender_pc_offset_in_bytes(), "");
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	228 #define RF_FIELD(push_value, name) \
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	229 { push_value; \
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	230 assert((rfo -= wordSize) == RicochetFrame::name##_offset_in_bytes(), ""); }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	231 RF_FIELD(__ push(rbp), sender_link);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	232 RF_FIELD(__ push(saved_last_sp), exact_sender_sp); // rsi/r13
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	233 RF_FIELD(__ pushptr(rcx_amh_conversion), conversion);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	234 RF_FIELD(__ push(rax_argv), saved_args_base); // can be updated if args are shifted
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	235 RF_FIELD(__ push((int32_t) NULL_WORD), saved_args_layout); // cache for GC layout cookie
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	236 if (UseCompressedOops) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	237 __ load_heap_oop(rbx_temp, rcx_mh_vmtarget);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	238 RF_FIELD(__ push(rbx_temp), saved_target);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	239 } else {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	240 RF_FIELD(__ pushptr(rcx_mh_vmtarget), saved_target);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	241 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	242 __ lea(rbx_temp, ExternalAddress(return_handler));
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	243 RF_FIELD(__ push(rbx_temp), continuation);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	244 #undef RF_FIELD
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	245 assert(rfo == 0, "fully initialized the RicochetFrame");
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	246 // compute new frame pointer:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	247 __ lea(rbp, Address(rsp, RicochetFrame::sender_link_offset_in_bytes()));
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	248 // Push guard word #1 in debug mode.
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	249 DEBUG_ONLY(__ push((int32_t) RicochetFrame::MAGIC_NUMBER_1));
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	250 // For debugging, leave behind an indication of which stub built this frame.
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	251 DEBUG_ONLY({ Label L; __ call(L, relocInfo::none); __ bind(L); });
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	252 BLOCK_COMMENT("} RicochetFrame");
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	253 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	254
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	255 void MethodHandles::RicochetFrame::leave_ricochet_frame(MacroAssembler* _masm,
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	256 Register rcx_recv,
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	257 Register new_sp_reg,
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	258 Register sender_pc_reg) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	259 assert_different_registers(rcx_recv, new_sp_reg, sender_pc_reg);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	260 const Register saved_last_sp = saved_last_sp_register();
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	261 // Take down the frame.
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	262 // Cf. InterpreterMacroAssembler::remove_activation.
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	263 BLOCK_COMMENT("end_ricochet_frame {");
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	264 // TO DO: If (exact_sender_sp - extended_sender_sp) > THRESH, compact the frame down.
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	265 // This will keep stack in bounds even with unlimited tailcalls, each with an adapter.
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	266 if (rcx_recv->is_valid())
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	267 __ movptr(rcx_recv, RicochetFrame::frame_address(RicochetFrame::saved_target_offset_in_bytes()));
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	268 __ movptr(sender_pc_reg, RicochetFrame::frame_address(RicochetFrame::sender_pc_offset_in_bytes()));
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	269 __ movptr(saved_last_sp, RicochetFrame::frame_address(RicochetFrame::exact_sender_sp_offset_in_bytes()));
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	270 __ movptr(rbp, RicochetFrame::frame_address(RicochetFrame::sender_link_offset_in_bytes()));
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	271 __ mov(rsp, new_sp_reg);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	272 BLOCK_COMMENT("} end_ricochet_frame");
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	273 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	274
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	275 // Emit code to verify that RBP is pointing at a valid ricochet frame.
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	276 #ifdef ASSERT
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	277 enum {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	278 ARG_LIMIT = 255, SLOP = 4,
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	279 // use this parameter for checking for garbage stack movements:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	280 UNREASONABLE_STACK_MOVE = (ARG_LIMIT + SLOP)
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	281 // the slop defends against false alarms due to fencepost errors
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	282 };
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	283
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	284 void MethodHandles::RicochetFrame::verify_clean(MacroAssembler* _masm) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	285 // The stack should look like this:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	286 // ... keep1 \| dest=42 \| keep2 \| RF \| magic \| handler \| magic \| recursive args \|
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	287 // Check various invariants.
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	288 verify_offsets();
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	289
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	290 Register rdi_temp = rdi;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	291 Register rcx_temp = rcx;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	292 { __ push(rdi_temp); __ push(rcx_temp); }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	293 #define UNPUSH_TEMPS \
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	294 { __ pop(rcx_temp); __ pop(rdi_temp); }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	295
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	296 Address magic_number_1_addr = RicochetFrame::frame_address(RicochetFrame::magic_number_1_offset_in_bytes());
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	297 Address magic_number_2_addr = RicochetFrame::frame_address(RicochetFrame::magic_number_2_offset_in_bytes());
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	298 Address continuation_addr = RicochetFrame::frame_address(RicochetFrame::continuation_offset_in_bytes());
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	299 Address conversion_addr = RicochetFrame::frame_address(RicochetFrame::conversion_offset_in_bytes());
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	300 Address saved_args_base_addr = RicochetFrame::frame_address(RicochetFrame::saved_args_base_offset_in_bytes());
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	301
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	302 Label L_bad, L_ok;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	303 BLOCK_COMMENT("verify_clean {");
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	304 // Magic numbers must check out:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	305 __ cmpptr(magic_number_1_addr, (int32_t) MAGIC_NUMBER_1);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	306 __ jcc(Assembler::notEqual, L_bad);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	307 __ cmpptr(magic_number_2_addr, (int32_t) MAGIC_NUMBER_2);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	308 __ jcc(Assembler::notEqual, L_bad);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	309
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	310 // Arguments pointer must look reasonable:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	311 __ movptr(rcx_temp, saved_args_base_addr);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	312 __ cmpptr(rcx_temp, rbp);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	313 __ jcc(Assembler::below, L_bad);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	314 __ subptr(rcx_temp, UNREASONABLE_STACK_MOVE * Interpreter::stackElementSize);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	315 __ cmpptr(rcx_temp, rbp);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	316 __ jcc(Assembler::above, L_bad);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	317
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	318 load_conversion_dest_type(_masm, rdi_temp, conversion_addr);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	319 __ cmpl(rdi_temp, T_VOID);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	320 __ jcc(Assembler::equal, L_ok);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	321 __ movptr(rcx_temp, saved_args_base_addr);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	322 load_conversion_vminfo(_masm, rdi_temp, conversion_addr);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	323 __ cmpptr(Address(rcx_temp, rdi_temp, Interpreter::stackElementScale()),
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	324 (int32_t) RETURN_VALUE_PLACEHOLDER);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	325 __ jcc(Assembler::equal, L_ok);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	326 __ BIND(L_bad);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	327 UNPUSH_TEMPS;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	328 __ stop("damaged ricochet frame");
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	329 __ BIND(L_ok);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	330 UNPUSH_TEMPS;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	331 BLOCK_COMMENT("} verify_clean");
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	332
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	333 #undef UNPUSH_TEMPS
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	334
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	335 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	336 #endif //ASSERT
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	337
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	338 void MethodHandles::load_klass_from_Class(MacroAssembler* _masm, Register klass_reg) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	339 if (VerifyMethodHandles)
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	340 verify_klass(_masm, klass_reg, SystemDictionaryHandles::Class_klass(),
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	341 "AMH argument is a Class");
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	342 __ load_heap_oop(klass_reg, Address(klass_reg, java_lang_Class::klass_offset_in_bytes()));
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	343 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	344
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	345 void MethodHandles::load_conversion_vminfo(MacroAssembler* _masm, Register reg, Address conversion_field_addr) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	346 int bits = BitsPerByte;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	347 int offset = (CONV_VMINFO_SHIFT / bits);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	348 int shift = (CONV_VMINFO_SHIFT % bits);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	349 __ load_unsigned_byte(reg, conversion_field_addr.plus_disp(offset));
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	350 assert(CONV_VMINFO_MASK == right_n_bits(bits - shift), "else change type of previous load");
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	351 assert(shift == 0, "no shift needed");
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	352 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	353
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	354 void MethodHandles::load_conversion_dest_type(MacroAssembler* _masm, Register reg, Address conversion_field_addr) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	355 int bits = BitsPerByte;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	356 int offset = (CONV_DEST_TYPE_SHIFT / bits);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	357 int shift = (CONV_DEST_TYPE_SHIFT % bits);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	358 __ load_unsigned_byte(reg, conversion_field_addr.plus_disp(offset));
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	359 assert(CONV_TYPE_MASK == right_n_bits(bits - shift), "else change type of previous load");
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	360 __ shrl(reg, shift);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	361 DEBUG_ONLY(int conv_type_bits = (int) exact_log2(CONV_TYPE_MASK+1));
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	362 assert((shift + conv_type_bits) == bits, "left justified in byte");
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	363 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	364
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	365 void MethodHandles::load_stack_move(MacroAssembler* _masm,
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	366 Register rdi_stack_move,
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	367 Register rcx_amh,
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	368 bool might_be_negative) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	369 BLOCK_COMMENT("load_stack_move");
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	370 Address rcx_amh_conversion(rcx_amh, java_lang_invoke_AdapterMethodHandle::conversion_offset_in_bytes());
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	371 __ movl(rdi_stack_move, rcx_amh_conversion);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	372 __ sarl(rdi_stack_move, CONV_STACK_MOVE_SHIFT);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	373 #ifdef _LP64
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	374 if (might_be_negative) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	375 // clean high bits of stack motion register (was loaded as an int)
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	376 __ movslq(rdi_stack_move, rdi_stack_move);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	377 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	378 #endif //_LP64
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	379 if (VerifyMethodHandles) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	380 Label L_ok, L_bad;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	381 int32_t stack_move_limit = 0x4000; // extra-large
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	382 __ cmpptr(rdi_stack_move, stack_move_limit);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	383 __ jcc(Assembler::greaterEqual, L_bad);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	384 __ cmpptr(rdi_stack_move, -stack_move_limit);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	385 __ jcc(Assembler::greater, L_ok);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	386 __ bind(L_bad);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	387 __ stop("load_stack_move of garbage value");
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	388 __ BIND(L_ok);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	389 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	390 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	391
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	392 #ifndef PRODUCT
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	393 void MethodHandles::RicochetFrame::verify_offsets() {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	394 // Check compatibility of this struct with the more generally used offsets of class frame:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	395 int ebp_off = sender_link_offset_in_bytes(); // offset from struct base to local rbp value
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	396 assert(ebp_off + wordSize*frame::interpreter_frame_method_offset == saved_args_base_offset_in_bytes(), "");
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	397 assert(ebp_off + wordSize*frame::interpreter_frame_last_sp_offset == conversion_offset_in_bytes(), "");
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	398 assert(ebp_off + wordSize*frame::interpreter_frame_sender_sp_offset == exact_sender_sp_offset_in_bytes(), "");
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	399 // These last two have to be exact:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	400 assert(ebp_off + wordSize*frame::link_offset == sender_link_offset_in_bytes(), "");
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	401 assert(ebp_off + wordSize*frame::return_addr_offset == sender_pc_offset_in_bytes(), "");
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	402 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	403
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	404 void MethodHandles::RicochetFrame::verify() const {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	405 verify_offsets();
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	406 assert(magic_number_1() == MAGIC_NUMBER_1, "");
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	407 assert(magic_number_2() == MAGIC_NUMBER_2, "");
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	408 if (!Universe::heap()->is_gc_active()) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	409 if (saved_args_layout() != NULL) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	410 assert(saved_args_layout()->is_method(), "must be valid oop");
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	411 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	412 if (saved_target() != NULL) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	413 assert(java_lang_invoke_MethodHandle::is_instance(saved_target()), "checking frame value");
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	414 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	415 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	416 int conv_op = adapter_conversion_op(conversion());
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	417 assert(conv_op == java_lang_invoke_AdapterMethodHandle::OP_COLLECT_ARGS \|\|
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	418 conv_op == java_lang_invoke_AdapterMethodHandle::OP_FOLD_ARGS \|\|
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	419 conv_op == java_lang_invoke_AdapterMethodHandle::OP_PRIM_TO_REF,
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	420 "must be a sane conversion");
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	421 if (has_return_value_slot()) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	422 assert(*return_value_slot_addr() == RETURN_VALUE_PLACEHOLDER, "");
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	423 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	424 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	425 #endif //PRODUCT
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	426
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	427 #ifdef ASSERT
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	428 void MethodHandles::verify_argslot(MacroAssembler* _masm,
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	429 Register argslot_reg,
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	430 const char* error_message) {
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	431 // Verify that argslot lies within (rsp, rbp].
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	432 Label L_ok, L_bad;
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	433 BLOCK_COMMENT("verify_argslot {");
1304 76c1d7d13ec5 6932091: JSR 292 x86 code cleanup twisti parents: 1293 diff changeset	434 __ cmpptr(argslot_reg, rbp);
1135 e66fd840cb6b 6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164) twisti parents: 1133 diff changeset	435 __ jccb(Assembler::above, L_bad);
1304 76c1d7d13ec5 6932091: JSR 292 x86 code cleanup twisti parents: 1293 diff changeset	436 __ cmpptr(rsp, argslot_reg);
1135 e66fd840cb6b 6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164) twisti parents: 1133 diff changeset	437 __ jccb(Assembler::below, L_ok);
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	438 __ bind(L_bad);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	439 __ stop(error_message);
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	440 __ BIND(L_ok);
1793 d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	441 BLOCK_COMMENT("} verify_argslot");
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	442 }
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	443
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	444 void MethodHandles::verify_argslots(MacroAssembler* _masm,
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	445 RegisterOrConstant arg_slots,
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	446 Register arg_slot_base_reg,
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	447 bool negate_argslots,
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	448 const char* error_message) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	449 // Verify that [argslot..argslot+size) lies within (rsp, rbp).
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	450 Label L_ok, L_bad;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	451 Register rdi_temp = rdi;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	452 BLOCK_COMMENT("verify_argslots {");
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	453 __ push(rdi_temp);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	454 if (negate_argslots) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	455 if (arg_slots.is_constant()) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	456 arg_slots = -1 * arg_slots.as_constant();
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	457 } else {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	458 __ movptr(rdi_temp, arg_slots);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	459 __ negptr(rdi_temp);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	460 arg_slots = rdi_temp;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	461 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	462 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	463 __ lea(rdi_temp, Address(arg_slot_base_reg, arg_slots, Interpreter::stackElementScale()));
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	464 __ cmpptr(rdi_temp, rbp);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	465 __ pop(rdi_temp);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	466 __ jcc(Assembler::above, L_bad);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	467 __ cmpptr(rsp, arg_slot_base_reg);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	468 __ jcc(Assembler::below, L_ok);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	469 __ bind(L_bad);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	470 __ stop(error_message);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	471 __ BIND(L_ok);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	472 BLOCK_COMMENT("} verify_argslots");
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	473 }
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	474
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	475 // Make sure that arg_slots has the same sign as the given direction.
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	476 // If (and only if) arg_slots is a assembly-time constant, also allow it to be zero.
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	477 void MethodHandles::verify_stack_move(MacroAssembler* _masm,
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	478 RegisterOrConstant arg_slots, int direction) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	479 bool allow_zero = arg_slots.is_constant();
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	480 if (direction == 0) { direction = +1; allow_zero = true; }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	481 assert(stack_move_unit() == -1, "else add extra checks here");
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	482 if (arg_slots.is_register()) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	483 Label L_ok, L_bad;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	484 BLOCK_COMMENT("verify_stack_move {");
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	485 // testl(arg_slots.as_register(), -stack_move_unit() - 1); // no need
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	486 // jcc(Assembler::notZero, L_bad);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	487 __ cmpptr(arg_slots.as_register(), (int32_t) NULL_WORD);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	488 if (direction > 0) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	489 __ jcc(allow_zero ? Assembler::less : Assembler::lessEqual, L_bad);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	490 __ cmpptr(arg_slots.as_register(), (int32_t) UNREASONABLE_STACK_MOVE);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	491 __ jcc(Assembler::less, L_ok);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	492 } else {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	493 __ jcc(allow_zero ? Assembler::greater : Assembler::greaterEqual, L_bad);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	494 __ cmpptr(arg_slots.as_register(), (int32_t) -UNREASONABLE_STACK_MOVE);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	495 __ jcc(Assembler::greater, L_ok);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	496 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	497 __ bind(L_bad);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	498 if (direction > 0)
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	499 __ stop("assert arg_slots > 0");
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	500 else
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	501 __ stop("assert arg_slots < 0");
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	502 __ BIND(L_ok);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	503 BLOCK_COMMENT("} verify_stack_move");
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	504 } else {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	505 intptr_t size = arg_slots.as_constant();
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	506 if (direction < 0) size = -size;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	507 assert(size >= 0, "correct direction of constant move");
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	508 assert(size < UNREASONABLE_STACK_MOVE, "reasonable size of constant move");
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	509 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	510 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	511
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	512 void MethodHandles::verify_klass(MacroAssembler* _masm,
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	513 Register obj, KlassHandle klass,
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	514 const char* error_message) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	515 oop* klass_addr = klass.raw_value();
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	516 assert(klass_addr >= SystemDictionaryHandles::Object_klass().raw_value() &&
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	517 klass_addr <= SystemDictionaryHandles::Long_klass().raw_value(),
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	518 "must be one of the SystemDictionaryHandles");
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	519 Register temp = rdi;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	520 Label L_ok, L_bad;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	521 BLOCK_COMMENT("verify_klass {");
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	522 __ verify_oop(obj);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	523 __ testptr(obj, obj);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	524 __ jcc(Assembler::zero, L_bad);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	525 __ push(temp);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	526 __ load_klass(temp, obj);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	527 __ cmpptr(temp, ExternalAddress((address) klass_addr));
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	528 __ jcc(Assembler::equal, L_ok);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	529 intptr_t super_check_offset = klass->super_check_offset();
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	530 __ movptr(temp, Address(temp, super_check_offset));
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	531 __ cmpptr(temp, ExternalAddress((address) klass_addr));
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	532 __ jcc(Assembler::equal, L_ok);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	533 __ pop(temp);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	534 __ bind(L_bad);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	535 __ stop(error_message);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	536 __ BIND(L_ok);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	537 __ pop(temp);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	538 BLOCK_COMMENT("} verify_klass");
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	539 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	540 #endif //ASSERT
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	541
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	542 // Code generation
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	543 address MethodHandles::generate_method_handle_interpreter_entry(MacroAssembler* _masm) {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	544 // rbx: methodOop
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	545 // rcx: receiver method handle (must load from sp[MethodTypeForm.vmslots])
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	546 // rsi/r13: sender SP (must preserve; see prepare_to_jump_from_interpreted)
1793 d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	547 // rdx, rdi: garbage temp, blown away
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	548
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	549 Register rbx_method = rbx;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	550 Register rcx_recv = rcx;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	551 Register rax_mtype = rax;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	552 Register rdx_temp = rdx;
1793 d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	553 Register rdi_temp = rdi;
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	554
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	555 // emit WrongMethodType path first, to enable jccb back-branch from main path
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	556 Label wrong_method_type;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	557 __ bind(wrong_method_type);
1793 d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	558 Label invoke_generic_slow_path;
d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	559 assert(methodOopDesc::intrinsic_id_size_in_bytes() == sizeof(u1), "");;
d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	560 __ cmpb(Address(rbx_method, methodOopDesc::intrinsic_id_offset_in_bytes()), (int) vmIntrinsics::_invokeExact);
d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	561 __ jcc(Assembler::notEqual, invoke_generic_slow_path);
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	562 __ push(rax_mtype); // required mtype
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	563 __ push(rcx_recv); // bad mh (1st stacked argument)
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	564 __ jump(ExternalAddress(Interpreter::throw_WrongMethodType_entry()));
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	565
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	566 // here's where control starts out:
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	567 __ align(CodeEntryAlignment);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	568 address entry_point = __ pc();
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	569
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	570 // fetch the MethodType from the method handle into rax (the 'check' register)
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	571 // FIXME: Interpreter should transmit pre-popped stack pointer, to locate base of arg list.
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	572 // This would simplify several touchy bits of code.
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	573 // See 6984712: JSR 292 method handle calls need a clean argument base pointer
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	574 {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	575 Register tem = rbx_method;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	576 for (jint* pchase = methodOopDesc::method_type_offsets_chain(); (*pchase) != -1; pchase++) {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	577 __ movptr(rax_mtype, Address(tem, *pchase));
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	578 tem = rax_mtype; // in case there is another indirection
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	579 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	580 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	581
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	582 // 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	583 __ load_heap_oop(rdx_temp, Address(rax_mtype, __ delayed_value(java_lang_invoke_MethodType::form_offset_in_bytes, rdi_temp)));
1793 d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	584 Register rdx_vmslots = rdx_temp;
2357 8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2321 diff changeset	585 __ movl(rdx_vmslots, Address(rdx_temp, __ delayed_value(java_lang_invoke_MethodTypeForm::vmslots_offset_in_bytes, rdi_temp)));
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	586 Address mh_receiver_slot_addr = __ argument_address(rdx_vmslots);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	587 __ movptr(rcx_recv, mh_receiver_slot_addr);
1793 d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	588
d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	589 trace_method_handle(_masm, "invokeExact");
d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	590
d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	591 __ check_method_handle_type(rax_mtype, rcx_recv, rdi_temp, wrong_method_type);
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	592
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	593 // Nobody uses the MH receiver slot after this. Make sure.
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	594 DEBUG_ONLY(__ movptr(mh_receiver_slot_addr, (int32_t)0x999999));
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	595
1793 d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	596 __ jump_to_method_handle_entry(rcx_recv, rdi_temp);
d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	597
d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	598 // for invokeGeneric (only), apply argument and result conversions on the fly
d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	599 __ bind(invoke_generic_slow_path);
d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	600 #ifdef ASSERT
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	601 if (VerifyMethodHandles) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	602 Label L;
1793 d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	603 __ cmpb(Address(rbx_method, methodOopDesc::intrinsic_id_offset_in_bytes()), (int) vmIntrinsics::_invokeGeneric);
d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	604 __ jcc(Assembler::equal, L);
d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	605 __ stop("bad methodOop::intrinsic_id");
d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	606 __ bind(L);
d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	607 }
d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	608 #endif //ASSERT
d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	609 Register rbx_temp = rbx_method; // don't need it now
d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	610
d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	611 // make room on the stack for another pointer:
d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	612 Register rcx_argslot = rcx_recv;
d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	613 __ lea(rcx_argslot, __ argument_address(rdx_vmslots, 1));
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	614 insert_arg_slots(_masm, 2 * stack_move_unit(),
1793 d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	615 rcx_argslot, rbx_temp, rdx_temp);
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	616
1793 d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	617 // load up an adapter from the calling type (Java weaves this)
2357 8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2321 diff changeset	618 __ load_heap_oop(rdx_temp, Address(rax_mtype, __ delayed_value(java_lang_invoke_MethodType::form_offset_in_bytes, rdi_temp)));
1793 d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	619 Register rdx_adapter = rdx_temp;
2357 8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2321 diff changeset	620 // __ load_heap_oop(rdx_adapter, Address(rdx_temp, java_lang_invoke_MethodTypeForm::genericInvoker_offset_in_bytes()));
1793 d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	621 // deal with old JDK versions:
2357 8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2321 diff changeset	622 __ lea(rdi_temp, Address(rdx_temp, __ delayed_value(java_lang_invoke_MethodTypeForm::genericInvoker_offset_in_bytes, rdi_temp)));
1793 d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	623 __ cmpptr(rdi_temp, rdx_temp);
d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	624 Label sorry_no_invoke_generic;
1846 d55217dc206f 6829194: JSR 292 needs to support compressed oops twisti parents: 1818 diff changeset	625 __ jcc(Assembler::below, sorry_no_invoke_generic);
1793 d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	626
1846 d55217dc206f 6829194: JSR 292 needs to support compressed oops twisti parents: 1818 diff changeset	627 __ load_heap_oop(rdx_adapter, Address(rdi_temp, 0));
1793 d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	628 __ testptr(rdx_adapter, rdx_adapter);
1846 d55217dc206f 6829194: JSR 292 needs to support compressed oops twisti parents: 1818 diff changeset	629 __ jcc(Assembler::zero, sorry_no_invoke_generic);
1793 d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	630 __ movptr(Address(rcx_argslot, 1 * Interpreter::stackElementSize), rdx_adapter);
d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	631 // As a trusted first argument, pass the type being called, so the adapter knows
d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	632 // the actual types of the arguments and return values.
d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	633 // (Generic invokers are shared among form-families of method-type.)
d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	634 __ movptr(Address(rcx_argslot, 0 * Interpreter::stackElementSize), rax_mtype);
d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	635 // FIXME: assert that rdx_adapter is of the right method-type.
d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	636 __ mov(rcx, rdx_adapter);
d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	637 trace_method_handle(_masm, "invokeGeneric");
d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	638 __ jump_to_method_handle_entry(rcx, rdi_temp);
d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	639
d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	640 __ bind(sorry_no_invoke_generic); // no invokeGeneric implementation available!
d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	641 __ movptr(rcx_recv, Address(rcx_argslot, -1 * Interpreter::stackElementSize)); // recover original MH
d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	642 __ push(rax_mtype); // required mtype
d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	643 __ push(rcx_recv); // bad mh (1st stacked argument)
d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	644 __ jump(ExternalAddress(Interpreter::throw_WrongMethodType_entry()));
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	645
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	646 return entry_point;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	647 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	648
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	649 // Workaround for C++ overloading nastiness on '0' for RegisterOrConstant.
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	650 static RegisterOrConstant constant(int value) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	651 return RegisterOrConstant(value);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	652 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	653
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	654 // Helper to insert argument slots into the stack.
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	655 // arg_slots must be a multiple of stack_move_unit() and < 0
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	656 // rax_argslot is decremented to point to the new (shifted) location of the argslot
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	657 // But, rdx_temp ends up holding the original value of rax_argslot.
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	658 void MethodHandles::insert_arg_slots(MacroAssembler* _masm,
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	659 RegisterOrConstant arg_slots,
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	660 Register rax_argslot,
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	661 Register rbx_temp, Register rdx_temp) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	662 // allow constant zero
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	663 if (arg_slots.is_constant() && arg_slots.as_constant() == 0)
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	664 return;
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	665 assert_different_registers(rax_argslot, rbx_temp, rdx_temp,
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	666 (!arg_slots.is_register() ? rsp : arg_slots.as_register()));
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	667 if (VerifyMethodHandles)
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	668 verify_argslot(_masm, rax_argslot, "insertion point must fall within current frame");
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	669 if (VerifyMethodHandles)
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	670 verify_stack_move(_masm, arg_slots, -1);
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	671
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	672 // Make space on the stack for the inserted argument(s).
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	673 // Then pull down everything shallower than rax_argslot.
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	674 // The stacked return address gets pulled down with everything else.
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	675 // That is, copy [rsp, argslot) downward by -size words. In pseudo-code:
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	676 // rsp -= size;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	677 // for (rdx = rsp + size; rdx < argslot; rdx++)
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	678 // rdx[-size] = rdx[0]
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	679 // argslot -= size;
1793 d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	680 BLOCK_COMMENT("insert_arg_slots {");
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	681 __ mov(rdx_temp, rsp); // source pointer for copy
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	682 __ lea(rsp, Address(rsp, arg_slots, Interpreter::stackElementScale()));
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	683 {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	684 Label loop;
1793 d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	685 __ BIND(loop);
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	686 // pull one word down each time through the loop
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	687 __ movptr(rbx_temp, Address(rdx_temp, 0));
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	688 __ movptr(Address(rdx_temp, arg_slots, Interpreter::stackElementScale()), rbx_temp);
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	689 __ addptr(rdx_temp, wordSize);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	690 __ cmpptr(rdx_temp, rax_argslot);
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	691 __ jcc(Assembler::less, loop);
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	692 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	693
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	694 // Now move the argslot down, to point to the opened-up space.
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	695 __ lea(rax_argslot, Address(rax_argslot, arg_slots, Interpreter::stackElementScale()));
1793 d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	696 BLOCK_COMMENT("} insert_arg_slots");
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	697 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	698
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	699 // Helper to remove argument slots from the stack.
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	700 // arg_slots must be a multiple of stack_move_unit() and > 0
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	701 void MethodHandles::remove_arg_slots(MacroAssembler* _masm,
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	702 RegisterOrConstant arg_slots,
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	703 Register rax_argslot,
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	704 Register rbx_temp, Register rdx_temp) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	705 // allow constant zero
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	706 if (arg_slots.is_constant() && arg_slots.as_constant() == 0)
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	707 return;
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	708 assert_different_registers(rax_argslot, rbx_temp, rdx_temp,
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	709 (!arg_slots.is_register() ? rsp : arg_slots.as_register()));
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	710 if (VerifyMethodHandles)
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	711 verify_argslots(_masm, arg_slots, rax_argslot, false,
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	712 "deleted argument(s) must fall within current frame");
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	713 if (VerifyMethodHandles)
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	714 verify_stack_move(_masm, arg_slots, +1);
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	715
1793 d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	716 BLOCK_COMMENT("remove_arg_slots {");
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	717 // Pull up everything shallower than rax_argslot.
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	718 // Then remove the excess space on the stack.
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	719 // The stacked return address gets pulled up with everything else.
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	720 // That is, copy [rsp, argslot) upward by size words. In pseudo-code:
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	721 // for (rdx = argslot-1; rdx >= rsp; --rdx)
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	722 // rdx[size] = rdx[0]
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	723 // argslot += size;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	724 // rsp += size;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	725 __ lea(rdx_temp, Address(rax_argslot, -wordSize)); // source pointer for copy
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	726 {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	727 Label loop;
1793 d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	728 __ BIND(loop);
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	729 // pull one word up each time through the loop
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	730 __ movptr(rbx_temp, Address(rdx_temp, 0));
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	731 __ movptr(Address(rdx_temp, arg_slots, Interpreter::stackElementScale()), rbx_temp);
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	732 __ addptr(rdx_temp, -wordSize);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	733 __ cmpptr(rdx_temp, rsp);
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	734 __ jcc(Assembler::greaterEqual, loop);
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	735 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	736
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	737 // Now move the argslot up, to point to the just-copied block.
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	738 __ lea(rsp, Address(rsp, arg_slots, Interpreter::stackElementScale()));
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	739 // And adjust the argslot address to point at the deletion point.
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	740 __ lea(rax_argslot, Address(rax_argslot, arg_slots, Interpreter::stackElementScale()));
1793 d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	741 BLOCK_COMMENT("} remove_arg_slots");
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	742 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	743
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	744 // Helper to copy argument slots to the top of the stack.
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	745 // The sequence starts with rax_argslot and is counted by slot_count
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	746 // slot_count must be a multiple of stack_move_unit() and >= 0
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	747 // This function blows the temps but does not change rax_argslot.
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	748 void MethodHandles::push_arg_slots(MacroAssembler* _masm,
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	749 Register rax_argslot,
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	750 RegisterOrConstant slot_count,
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	751 int skip_words_count,
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	752 Register rbx_temp, Register rdx_temp) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	753 assert_different_registers(rax_argslot, rbx_temp, rdx_temp,
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	754 (!slot_count.is_register() ? rbp : slot_count.as_register()),
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	755 rsp);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	756 assert(Interpreter::stackElementSize == wordSize, "else change this code");
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	757
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	758 if (VerifyMethodHandles)
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	759 verify_stack_move(_masm, slot_count, 0);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	760
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	761 // allow constant zero
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	762 if (slot_count.is_constant() && slot_count.as_constant() == 0)
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	763 return;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	764
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	765 BLOCK_COMMENT("push_arg_slots {");
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	766
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	767 Register rbx_top = rbx_temp;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	768
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	769 // There is at most 1 word to carry down with the TOS.
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	770 switch (skip_words_count) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	771 case 1: __ pop(rdx_temp); break;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	772 case 0: break;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	773 default: ShouldNotReachHere();
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	774 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	775
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	776 if (slot_count.is_constant()) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	777 for (int i = slot_count.as_constant() - 1; i >= 0; i--) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	778 __ pushptr(Address(rax_argslot, i * wordSize));
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	779 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	780 } else {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	781 Label L_plural, L_loop, L_break;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	782 // Emit code to dynamically check for the common cases, zero and one slot.
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	783 __ cmpl(slot_count.as_register(), (int32_t) 1);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	784 __ jccb(Assembler::greater, L_plural);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	785 __ jccb(Assembler::less, L_break);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	786 __ pushptr(Address(rax_argslot, 0));
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	787 __ jmpb(L_break);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	788 __ BIND(L_plural);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	789
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	790 // Loop for 2 or more:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	791 // rbx = &rax[slot_count]
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	792 // while (rbx > rax) (--rsp) = (--rbx)
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	793 __ lea(rbx_top, Address(rax_argslot, slot_count, Address::times_ptr));
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	794 __ BIND(L_loop);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	795 __ subptr(rbx_top, wordSize);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	796 __ pushptr(Address(rbx_top, 0));
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	797 __ cmpptr(rbx_top, rax_argslot);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	798 __ jcc(Assembler::above, L_loop);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	799 __ bind(L_break);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	800 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	801 switch (skip_words_count) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	802 case 1: __ push(rdx_temp); break;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	803 case 0: break;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	804 default: ShouldNotReachHere();
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	805 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	806 BLOCK_COMMENT("} push_arg_slots");
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	807 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	808
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	809 // in-place movement; no change to rsp
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	810 // blows rax_temp, rdx_temp
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	811 void MethodHandles::move_arg_slots_up(MacroAssembler* _masm,
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	812 Register rbx_bottom, // invariant
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	813 Address top_addr, // can use rax_temp
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	814 RegisterOrConstant positive_distance_in_slots,
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	815 Register rax_temp, Register rdx_temp) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	816 BLOCK_COMMENT("move_arg_slots_up {");
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	817 assert_different_registers(rbx_bottom,
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	818 rax_temp, rdx_temp,
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	819 positive_distance_in_slots.register_or_noreg());
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	820 Label L_loop, L_break;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	821 Register rax_top = rax_temp;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	822 if (!top_addr.is_same_address(Address(rax_top, 0)))
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	823 __ lea(rax_top, top_addr);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	824 // Detect empty (or broken) loop:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	825 #ifdef ASSERT
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	826 if (VerifyMethodHandles) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	827 // Verify that &bottom < &top (non-empty interval)
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	828 Label L_ok, L_bad;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	829 if (positive_distance_in_slots.is_register()) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	830 __ cmpptr(positive_distance_in_slots.as_register(), (int32_t) 0);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	831 __ jcc(Assembler::lessEqual, L_bad);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	832 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	833 __ cmpptr(rbx_bottom, rax_top);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	834 __ jcc(Assembler::below, L_ok);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	835 __ bind(L_bad);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	836 __ stop("valid bounds (copy up)");
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	837 __ BIND(L_ok);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	838 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	839 #endif
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	840 __ cmpptr(rbx_bottom, rax_top);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	841 __ jccb(Assembler::aboveEqual, L_break);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	842 // work rax down to rbx, copying contiguous data upwards
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	843 // In pseudo-code:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	844 // [rbx, rax) = &[bottom, top)
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	845 // while (--rax >= rbx) (rax + distance) = (rax + 0), rax--;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	846 __ BIND(L_loop);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	847 __ subptr(rax_top, wordSize);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	848 __ movptr(rdx_temp, Address(rax_top, 0));
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	849 __ movptr( Address(rax_top, positive_distance_in_slots, Address::times_ptr), rdx_temp);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	850 __ cmpptr(rax_top, rbx_bottom);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	851 __ jcc(Assembler::above, L_loop);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	852 assert(Interpreter::stackElementSize == wordSize, "else change loop");
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	853 __ bind(L_break);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	854 BLOCK_COMMENT("} move_arg_slots_up");
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	855 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	856
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	857 // in-place movement; no change to rsp
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	858 // blows rax_temp, rdx_temp
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	859 void MethodHandles::move_arg_slots_down(MacroAssembler* _masm,
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	860 Address bottom_addr, // can use rax_temp
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	861 Register rbx_top, // invariant
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	862 RegisterOrConstant negative_distance_in_slots,
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	863 Register rax_temp, Register rdx_temp) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	864 BLOCK_COMMENT("move_arg_slots_down {");
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	865 assert_different_registers(rbx_top,
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	866 negative_distance_in_slots.register_or_noreg(),
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	867 rax_temp, rdx_temp);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	868 Label L_loop, L_break;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	869 Register rax_bottom = rax_temp;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	870 if (!bottom_addr.is_same_address(Address(rax_bottom, 0)))
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	871 __ lea(rax_bottom, bottom_addr);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	872 // Detect empty (or broken) loop:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	873 #ifdef ASSERT
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	874 assert(!negative_distance_in_slots.is_constant() \|\| negative_distance_in_slots.as_constant() < 0, "");
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	875 if (VerifyMethodHandles) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	876 // Verify that &bottom < &top (non-empty interval)
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	877 Label L_ok, L_bad;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	878 if (negative_distance_in_slots.is_register()) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	879 __ cmpptr(negative_distance_in_slots.as_register(), (int32_t) 0);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	880 __ jcc(Assembler::greaterEqual, L_bad);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	881 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	882 __ cmpptr(rax_bottom, rbx_top);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	883 __ jcc(Assembler::below, L_ok);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	884 __ bind(L_bad);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	885 __ stop("valid bounds (copy down)");
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	886 __ BIND(L_ok);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	887 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	888 #endif
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	889 __ cmpptr(rax_bottom, rbx_top);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	890 __ jccb(Assembler::aboveEqual, L_break);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	891 // work rax up to rbx, copying contiguous data downwards
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	892 // In pseudo-code:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	893 // [rax, rbx) = &[bottom, top)
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	894 // while (rax < rbx) (rax - distance) = (rax + 0), rax++;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	895 __ BIND(L_loop);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	896 __ movptr(rdx_temp, Address(rax_bottom, 0));
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	897 __ movptr( Address(rax_bottom, negative_distance_in_slots, Address::times_ptr), rdx_temp);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	898 __ addptr(rax_bottom, wordSize);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	899 __ cmpptr(rax_bottom, rbx_top);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	900 __ jcc(Assembler::below, L_loop);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	901 assert(Interpreter::stackElementSize == wordSize, "else change loop");
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	902 __ bind(L_break);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	903 BLOCK_COMMENT("} move_arg_slots_down");
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	904 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	905
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	906 // Copy from a field or array element to a stacked argument slot.
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	907 // is_element (ignored) says whether caller is loading an array element instead of an instance field.
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	908 void MethodHandles::move_typed_arg(MacroAssembler* _masm,
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	909 BasicType type, bool is_element,
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	910 Address slot_dest, Address value_src,
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	911 Register rbx_temp, Register rdx_temp) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	912 BLOCK_COMMENT(!is_element ? "move_typed_arg {" : "move_typed_arg { (array element)");
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	913 if (type == T_OBJECT \|\| type == T_ARRAY) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	914 __ load_heap_oop(rbx_temp, value_src);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	915 __ movptr(slot_dest, rbx_temp);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	916 } else if (type != T_VOID) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	917 int arg_size = type2aelembytes(type);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	918 bool arg_is_signed = is_signed_subword_type(type);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	919 int slot_size = (arg_size > wordSize) ? arg_size : wordSize;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	920 __ load_sized_value( rdx_temp, value_src, arg_size, arg_is_signed, rbx_temp);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	921 __ store_sized_value( slot_dest, rdx_temp, slot_size, rbx_temp);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	922 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	923 BLOCK_COMMENT("} move_typed_arg");
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	924 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	925
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	926 void MethodHandles::move_return_value(MacroAssembler* _masm, BasicType type,
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	927 Address return_slot) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	928 BLOCK_COMMENT("move_return_value {");
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	929 // Old versions of the JVM must clean the FPU stack after every return.
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	930 #ifndef _LP64
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	931 #ifdef COMPILER2
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	932 // The FPU stack is clean if UseSSE >= 2 but must be cleaned in other cases
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	933 if ((type == T_FLOAT && UseSSE < 1) \|\| (type == T_DOUBLE && UseSSE < 2)) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	934 for (int i = 1; i < 8; i++) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	935 __ ffree(i);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	936 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	937 } else if (UseSSE < 2) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	938 __ empty_FPU_stack();
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	939 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	940 #endif //COMPILER2
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	941 #endif //!_LP64
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	942
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	943 // Look at the type and pull the value out of the corresponding register.
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	944 if (type == T_VOID) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	945 // nothing to do
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	946 } else if (type == T_OBJECT) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	947 __ movptr(return_slot, rax);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	948 } else if (type == T_INT \|\| is_subword_type(type)) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	949 // write the whole word, even if only 32 bits is significant
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	950 __ movptr(return_slot, rax);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	951 } else if (type == T_LONG) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	952 // store the value by parts
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	953 // Note: We assume longs are continguous (if misaligned) on the interpreter stack.
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	954 __ store_sized_value(return_slot, rax, BytesPerLong, rdx);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	955 } else if (NOT_LP64((type == T_FLOAT && UseSSE < 1) \|\|
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	956 (type == T_DOUBLE && UseSSE < 2) \|\|)
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	957 false) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	958 // Use old x86 FPU registers:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	959 if (type == T_FLOAT)
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	960 __ fstp_s(return_slot);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	961 else
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	962 __ fstp_d(return_slot);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	963 } else if (type == T_FLOAT) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	964 __ movflt(return_slot, xmm0);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	965 } else if (type == T_DOUBLE) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	966 __ movdbl(return_slot, xmm0);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	967 } else {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	968 ShouldNotReachHere();
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	969 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	970 BLOCK_COMMENT("} move_return_value");
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	971 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	972
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	973
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	974 #ifndef PRODUCT
1133 aa62b9388fce 6894206: JVM needs a way to traverse method handle structures twisti parents: 1108 diff changeset	975 extern "C" void print_method_handle(oop mh);
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	976 void trace_method_handle_stub(const char* adaptername,
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	977 oop mh,
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	978 intptr_t* saved_regs,
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	979 intptr_t* entry_sp,
3336 2e038ad0c1d0 7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp never parents: 2357 diff changeset	980 intptr_t* saved_sp,
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	981 intptr_t* saved_bp) {
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	982 // called as a leaf from native code: do not block the JVM!
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	983 intptr_t* last_sp = (intptr_t*) saved_bp[frame::interpreter_frame_last_sp_offset];
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	984 intptr_t* base_sp = (intptr_t*) saved_bp[frame::interpreter_frame_monitor_block_top_offset];
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	985 tty->print_cr("MH %s mh="INTPTR_FORMAT" sp=("INTPTR_FORMAT"+"INTX_FORMAT") stack_size="INTX_FORMAT" bp="INTPTR_FORMAT,
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	986 adaptername, (intptr_t)mh, (intptr_t)entry_sp, (intptr_t)(saved_sp - entry_sp), (intptr_t)(base_sp - last_sp), (intptr_t)saved_bp);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	987 if (last_sp != saved_sp && last_sp != NULL)
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	988 tty->print_cr("*** last_sp="INTPTR_FORMAT, (intptr_t)last_sp);
1793 d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	989 if (Verbose) {
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	990 tty->print(" reg dump: ");
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	991 int saved_regs_count = (entry_sp-1) - saved_regs;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	992 // 32 bit: rdi rsi rbp rsp; rbx rdx rcx (*) rax
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	993 int i;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	994 for (i = 0; i <= saved_regs_count; i++) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	995 if (i > 0 && i % 4 == 0 && i != saved_regs_count) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	996 tty->cr();
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	997 tty->print(" + dump: ");
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	998 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	999 tty->print(" %d: "INTPTR_FORMAT, i, saved_regs[i]);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1000 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1001 tty->cr();
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1002 int stack_dump_count = 16;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1003 if (stack_dump_count < (int)(saved_bp + 2 - saved_sp))
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1004 stack_dump_count = (int)(saved_bp + 2 - saved_sp);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1005 if (stack_dump_count > 64) stack_dump_count = 48;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1006 for (i = 0; i < stack_dump_count; i += 4) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1007 tty->print_cr(" dump at SP[%d] "INTPTR_FORMAT": "INTPTR_FORMAT" "INTPTR_FORMAT" "INTPTR_FORMAT" "INTPTR_FORMAT,
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1008 i, (intptr_t) &entry_sp[i+0], entry_sp[i+0], entry_sp[i+1], entry_sp[i+2], entry_sp[i+3]);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1009 }
1793 d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	1010 print_method_handle(mh);
d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	1011 }
d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	1012 }
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1013
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1014 // The stub wraps the arguments in a struct on the stack to avoid
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1015 // dealing with the different calling conventions for passing 6
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1016 // arguments.
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1017 struct MethodHandleStubArguments {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1018 const char* adaptername;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1019 oopDesc* mh;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1020 intptr_t* saved_regs;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1021 intptr_t* entry_sp;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1022 intptr_t* saved_sp;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1023 intptr_t* saved_bp;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1024 };
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1025 void trace_method_handle_stub_wrapper(MethodHandleStubArguments* args) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1026 trace_method_handle_stub(args->adaptername,
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1027 args->mh,
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1028 args->saved_regs,
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1029 args->entry_sp,
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1030 args->saved_sp,
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1031 args->saved_bp);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1032 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1033
1793 d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	1034 void MethodHandles::trace_method_handle(MacroAssembler* _masm, const char* adaptername) {
d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	1035 if (!TraceMethodHandles) return;
d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	1036 BLOCK_COMMENT("trace_method_handle {");
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1037 __ push(rax);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1038 __ lea(rax, Address(rsp, wordSize * NOT_LP64(6) LP64_ONLY(14))); // entry_sp __ pusha();
1793 d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	1039 __ pusha();
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1040 __ mov(rbx, rsp);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1041 __ enter();
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1042 // incoming state:
3336 2e038ad0c1d0 7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp never parents: 2357 diff changeset	1043 // rcx: method handle
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1044 // r13 or rsi: saved sp
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1045 // To avoid calling convention issues, build a record on the stack and pass the pointer to that instead.
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1046 __ push(rbp); // saved_bp
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1047 __ push(rsi); // saved_sp
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1048 __ push(rax); // entry_sp
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1049 __ push(rbx); // pusha saved_regs
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1050 __ push(rcx); // mh
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1051 __ push(rcx); // adaptername
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1052 __ movptr(Address(rsp, 0), (intptr_t) adaptername);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1053 __ super_call_VM_leaf(CAST_FROM_FN_PTR(address, trace_method_handle_stub_wrapper), rsp);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1054 __ leave();
1793 d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	1055 __ popa();
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1056 __ pop(rax);
1793 d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	1057 BLOCK_COMMENT("} trace_method_handle");
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1058 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1059 #endif //PRODUCT
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1060
1507 cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation jrose parents: 1506 diff changeset	1061 // which conversion op types are implemented here?
cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation jrose parents: 1506 diff changeset	1062 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	1063 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	1064 \|(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	1065 \|(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	1066 \|(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	1067 \|(1<<java_lang_invoke_AdapterMethodHandle::OP_REF_TO_PRIM)
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1068 //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	1069 \|(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	1070 \|(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	1071 \|(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	1072 \|(1<<java_lang_invoke_AdapterMethodHandle::OP_DROP_ARGS)
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1073 //OP_COLLECT_ARGS is below...
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1074 \|(1<<java_lang_invoke_AdapterMethodHandle::OP_SPREAD_ARGS)
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1075 \|(!UseRicochetFrames ? 0 :
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1076 LP64_ONLY(FLAG_IS_DEFAULT(UseRicochetFrames) ? 0 :)
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1077 java_lang_invoke_MethodTypeForm::vmlayout_offset_in_bytes() <= 0 ? 0 :
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1078 ((1<<java_lang_invoke_AdapterMethodHandle::OP_PRIM_TO_REF)
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1079 \|(1<<java_lang_invoke_AdapterMethodHandle::OP_COLLECT_ARGS)
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1080 \|(1<<java_lang_invoke_AdapterMethodHandle::OP_FOLD_ARGS)
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1081 ))
1507 cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation jrose parents: 1506 diff changeset	1082 );
cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation jrose parents: 1506 diff changeset	1083 }
cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation jrose parents: 1506 diff changeset	1084
2088 8d0b933dda2d 7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot twisti parents: 1972 diff changeset	1085 //------------------------------------------------------------------------------
8d0b933dda2d 7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot twisti parents: 1972 diff changeset	1086 // MethodHandles::generate_method_handle_stub
8d0b933dda2d 7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot twisti parents: 1972 diff changeset	1087 //
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1088 // Generate an "entry" field for a method handle.
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1089 // 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	1090 void MethodHandles::generate_method_handle_stub(MacroAssembler* _masm, MethodHandles::EntryKind ek) {
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1091 MethodHandles::EntryKind ek_orig = ek_original_kind(ek);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1092
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1093 // Here is the register state during an interpreted call,
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1094 // as set up by generate_method_handle_interpreter_entry():
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1095 // - rbx: garbage temp (was MethodHandle.invoke methodOop, unused)
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1096 // - rcx: receiver method handle
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1097 // - rax: method handle type (only used by the check_mtype entry point)
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1098 // - rsi/r13: sender SP (must preserve; see prepare_to_jump_from_interpreted)
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1099 // - rdx: garbage temp, can blow away
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1100
2088 8d0b933dda2d 7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot twisti parents: 1972 diff changeset	1101 const Register rcx_recv = rcx;
8d0b933dda2d 7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot twisti parents: 1972 diff changeset	1102 const Register rax_argslot = rax;
8d0b933dda2d 7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot twisti parents: 1972 diff changeset	1103 const Register rbx_temp = rbx;
8d0b933dda2d 7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot twisti parents: 1972 diff changeset	1104 const Register rdx_temp = rdx;
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1105 const Register rdi_temp = rdi;
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1106
1039 987e948ebbc8 6815692: method handle code needs some cleanup (post-6655638) jrose parents: 845 diff changeset	1107 // This guy is set up by prepare_to_jump_from_interpreted (from interpreted calls)
987e948ebbc8 6815692: method handle code needs some cleanup (post-6655638) jrose parents: 845 diff changeset	1108 // and gen_c2i_adapter (from compiled calls):
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1109 const Register saved_last_sp = saved_last_sp_register();
2088 8d0b933dda2d 7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot twisti parents: 1972 diff changeset	1110
8d0b933dda2d 7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot twisti parents: 1972 diff changeset	1111 // Argument registers for _raise_exception.
8d0b933dda2d 7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot twisti parents: 1972 diff changeset	1112 // 32-bit: Pass first two oop/int args in registers ECX and EDX.
8d0b933dda2d 7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot twisti parents: 1972 diff changeset	1113 const Register rarg0_code = LP64_ONLY(j_rarg0) NOT_LP64(rcx);
8d0b933dda2d 7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot twisti parents: 1972 diff changeset	1114 const Register rarg1_actual = LP64_ONLY(j_rarg1) NOT_LP64(rdx);
8d0b933dda2d 7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot twisti parents: 1972 diff changeset	1115 const Register rarg2_required = LP64_ONLY(j_rarg2) NOT_LP64(rdi);
8d0b933dda2d 7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot twisti parents: 1972 diff changeset	1116 assert_different_registers(rarg0_code, rarg1_actual, rarg2_required, saved_last_sp);
1039 987e948ebbc8 6815692: method handle code needs some cleanup (post-6655638) jrose parents: 845 diff changeset	1117
2357 8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2321 diff changeset	1118 guarantee(java_lang_invoke_MethodHandle::vmentry_offset_in_bytes() != 0, "must have offsets");
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1119
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1120 // some handy addresses
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1121 Address rbx_method_fie( rbx, 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	1122 Address rbx_method_fce( rbx, methodOopDesc::from_compiled_offset() );
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1123
2357 8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2321 diff changeset	1124 Address rcx_mh_vmtarget( rcx_recv, java_lang_invoke_MethodHandle::vmtarget_offset_in_bytes() );
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2321 diff changeset	1125 Address rcx_dmh_vmindex( rcx_recv, java_lang_invoke_DirectMethodHandle::vmindex_offset_in_bytes() );
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1126
2357 8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2321 diff changeset	1127 Address rcx_bmh_vmargslot( rcx_recv, 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	1128 Address rcx_bmh_argument( rcx_recv, java_lang_invoke_BoundMethodHandle::argument_offset_in_bytes() );
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1129
2357 8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2321 diff changeset	1130 Address rcx_amh_vmargslot( rcx_recv, 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	1131 Address rcx_amh_argument( rcx_recv, 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	1132 Address rcx_amh_conversion( rcx_recv, java_lang_invoke_AdapterMethodHandle::conversion_offset_in_bytes() );
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1133 Address vmarg; // __ argument_address(vmargslot)
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1134
1039 987e948ebbc8 6815692: method handle code needs some cleanup (post-6655638) jrose parents: 845 diff changeset	1135 const int java_mirror_offset = klassOopDesc::klass_part_offset_in_bytes() + Klass::java_mirror_offset_in_bytes();
987e948ebbc8 6815692: method handle code needs some cleanup (post-6655638) jrose parents: 845 diff changeset	1136
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1137 if (have_entry(ek)) {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1138 __ nop(); // empty stubs make SG sick
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1139 return;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1140 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1141
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1142 #ifdef ASSERT
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1143 __ push((int32_t) 0xEEEEEEEE);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1144 __ push((int32_t) (intptr_t) entry_name(ek));
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1145 LP64_ONLY(__ push((int32_t) high((intptr_t) entry_name(ek))));
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1146 __ push((int32_t) 0x33333333);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1147 #endif //ASSERT
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1148
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1149 address interp_entry = __ pc();
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1150
1793 d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	1151 trace_method_handle(_masm, entry_name(ek));
d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	1152
d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	1153 BLOCK_COMMENT(entry_name(ek));
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1154
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1155 switch ((int) ek) {
1039 987e948ebbc8 6815692: method handle code needs some cleanup (post-6655638) jrose parents: 845 diff changeset	1156 case _raise_exception:
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1157 {
2088 8d0b933dda2d 7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot twisti parents: 1972 diff changeset	1158 // 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	1159 // 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	1160 // 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	1161 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	1162 assert(raise_exception_method()->from_compiled_entry(), "method must be linked");
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1163
2088 8d0b933dda2d 7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot twisti parents: 1972 diff changeset	1164 const Register rdi_pc = rax;
8d0b933dda2d 7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot twisti parents: 1972 diff changeset	1165 __ pop(rdi_pc); // caller PC
8d0b933dda2d 7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot twisti parents: 1972 diff changeset	1166 __ mov(rsp, saved_last_sp); // cut the stack back to where the caller started
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1167
1039 987e948ebbc8 6815692: method handle code needs some cleanup (post-6655638) jrose parents: 845 diff changeset	1168 Register rbx_method = rbx_temp;
2088 8d0b933dda2d 7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot twisti parents: 1972 diff changeset	1169 Label L_no_method;
2357 8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names jrose parents: 2321 diff changeset	1170 // FIXME: fill in _raise_exception_method with a suitable java.lang.invoke method
1039 987e948ebbc8 6815692: method handle code needs some cleanup (post-6655638) jrose parents: 845 diff changeset	1171 __ movptr(rbx_method, ExternalAddress((address) &_raise_exception_method));
987e948ebbc8 6815692: method handle code needs some cleanup (post-6655638) jrose parents: 845 diff changeset	1172 __ testptr(rbx_method, rbx_method);
2088 8d0b933dda2d 7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot twisti parents: 1972 diff changeset	1173 __ jccb(Assembler::zero, L_no_method);
8d0b933dda2d 7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot twisti parents: 1972 diff changeset	1174
8d0b933dda2d 7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot twisti parents: 1972 diff changeset	1175 const int jobject_oop_offset = 0;
1039 987e948ebbc8 6815692: method handle code needs some cleanup (post-6655638) jrose parents: 845 diff changeset	1176 __ movptr(rbx_method, Address(rbx_method, jobject_oop_offset)); // dereference the jobject
987e948ebbc8 6815692: method handle code needs some cleanup (post-6655638) jrose parents: 845 diff changeset	1177 __ testptr(rbx_method, rbx_method);
2088 8d0b933dda2d 7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot twisti parents: 1972 diff changeset	1178 __ jccb(Assembler::zero, L_no_method);
1039 987e948ebbc8 6815692: method handle code needs some cleanup (post-6655638) jrose parents: 845 diff changeset	1179 __ verify_oop(rbx_method);
2088 8d0b933dda2d 7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot twisti parents: 1972 diff changeset	1180
8d0b933dda2d 7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot twisti parents: 1972 diff changeset	1181 NOT_LP64(__ push(rarg2_required));
2321 1b4e6a5d98e0 7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc twisti parents: 2258 diff changeset	1182 __ push(rdi_pc); // restore caller PC
1b4e6a5d98e0 7012914: JSR 292 MethodHandlesTest C1: frame::verify_return_pc(return_address) failed: must be a return pc twisti parents: 2258 diff changeset	1183 __ jmp(rbx_method_fce); // jump to compiled entry
2088 8d0b933dda2d 7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot twisti parents: 1972 diff changeset	1184
1039 987e948ebbc8 6815692: method handle code needs some cleanup (post-6655638) jrose parents: 845 diff changeset	1185 // 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: 1972 diff changeset	1186 __ bind(L_no_method);
8d0b933dda2d 7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot twisti parents: 1972 diff changeset	1187 __ push(rarg2_required);
8d0b933dda2d 7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot twisti parents: 1972 diff changeset	1188 __ push(rarg1_actual);
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1189 __ jump(ExternalAddress(Interpreter::throw_WrongMethodType_entry()));
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1190 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1191 break;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1192
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1193 case _invokestatic_mh:
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1194 case _invokespecial_mh:
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1195 {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1196 Register rbx_method = rbx_temp;
1846 d55217dc206f 6829194: JSR 292 needs to support compressed oops twisti parents: 1818 diff changeset	1197 __ load_heap_oop(rbx_method, rcx_mh_vmtarget); // target is a methodOop
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1198 __ verify_oop(rbx_method);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1199 // same as TemplateTable::invokestatic or invokespecial,
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1200 // minus the CP setup and profiling:
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1201 if (ek == _invokespecial_mh) {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1202 // Must load & check the first argument before entering the target method.
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1203 __ load_method_handle_vmslots(rax_argslot, rcx_recv, rdx_temp);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1204 __ movptr(rcx_recv, __ argument_address(rax_argslot, -1));
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1205 __ null_check(rcx_recv);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1206 __ verify_oop(rcx_recv);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1207 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1208 __ jmp(rbx_method_fie);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1209 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1210 break;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1211
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1212 case _invokevirtual_mh:
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1213 {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1214 // same as TemplateTable::invokevirtual,
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1215 // minus the CP setup and profiling:
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1216
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1217 // pick out the vtable index and receiver offset from the MH,
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1218 // and then we can discard it:
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1219 __ load_method_handle_vmslots(rax_argslot, rcx_recv, rdx_temp);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1220 Register rbx_index = rbx_temp;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1221 __ movl(rbx_index, rcx_dmh_vmindex);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1222 // Note: The verifier allows us to ignore rcx_mh_vmtarget.
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1223 __ movptr(rcx_recv, __ argument_address(rax_argslot, -1));
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1224 __ null_check(rcx_recv, oopDesc::klass_offset_in_bytes());
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1225
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1226 // get receiver klass
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1227 Register rax_klass = rax_argslot;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1228 __ load_klass(rax_klass, rcx_recv);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1229 __ verify_oop(rax_klass);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1230
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1231 // get target methodOop & entry point
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1232 const int base = instanceKlass::vtable_start_offset() * wordSize;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1233 assert(vtableEntry::size() * wordSize == wordSize, "adjust the scaling in the code below");
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1234 Address vtable_entry_addr(rax_klass,
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1235 rbx_index, Address::times_ptr,
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1236 base + vtableEntry::method_offset_in_bytes());
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1237 Register rbx_method = rbx_temp;
1108 85f13cdfbc1d 6829192: JSR 292 needs to support 64-bit x86 twisti parents: 1039 diff changeset	1238 __ movptr(rbx_method, vtable_entry_addr);
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1239
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1240 __ verify_oop(rbx_method);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1241 __ jmp(rbx_method_fie);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1242 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1243 break;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1244
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1245 case _invokeinterface_mh:
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1246 {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1247 // same as TemplateTable::invokeinterface,
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1248 // minus the CP setup and profiling:
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1249
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1250 // pick out the interface and itable index from the MH.
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1251 __ load_method_handle_vmslots(rax_argslot, rcx_recv, rdx_temp);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1252 Register rdx_intf = rdx_temp;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1253 Register rbx_index = rbx_temp;
1846 d55217dc206f 6829194: JSR 292 needs to support compressed oops twisti parents: 1818 diff changeset	1254 __ load_heap_oop(rdx_intf, rcx_mh_vmtarget);
d55217dc206f 6829194: JSR 292 needs to support compressed oops twisti parents: 1818 diff changeset	1255 __ movl(rbx_index, rcx_dmh_vmindex);
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1256 __ movptr(rcx_recv, __ argument_address(rax_argslot, -1));
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1257 __ null_check(rcx_recv, oopDesc::klass_offset_in_bytes());
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1258
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1259 // get receiver klass
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1260 Register rax_klass = rax_argslot;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1261 __ load_klass(rax_klass, rcx_recv);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1262 __ verify_oop(rax_klass);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1263
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1264 Register rbx_method = rbx_index;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1265
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1266 // get interface klass
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1267 Label no_such_interface;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1268 __ verify_oop(rdx_intf);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1269 __ lookup_interface_method(rax_klass, rdx_intf,
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1270 // note: next two args must be the same:
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1271 rbx_index, rbx_method,
1039 987e948ebbc8 6815692: method handle code needs some cleanup (post-6655638) jrose parents: 845 diff changeset	1272 rdi_temp,
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1273 no_such_interface);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1274
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1275 __ verify_oop(rbx_method);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1276 __ jmp(rbx_method_fie);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1277 __ hlt();
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1278
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1279 __ bind(no_such_interface);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1280 // Throw an exception.
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1281 // For historical reasons, it will be IncompatibleClassChangeError.
2088 8d0b933dda2d 7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot twisti parents: 1972 diff changeset	1282 __ mov(rbx_temp, rcx_recv); // rarg2_required might be RCX
8d0b933dda2d 7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot twisti parents: 1972 diff changeset	1283 assert_different_registers(rarg2_required, rbx_temp);
8d0b933dda2d 7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot twisti parents: 1972 diff changeset	1284 __ movptr(rarg2_required, Address(rdx_intf, java_mirror_offset)); // required interface
8d0b933dda2d 7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot twisti parents: 1972 diff changeset	1285 __ mov( rarg1_actual, rbx_temp); // bad receiver
8d0b933dda2d 7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot twisti parents: 1972 diff changeset	1286 __ movl( rarg0_code, (int) Bytecodes::_invokeinterface); // who is complaining?
1039 987e948ebbc8 6815692: method handle code needs some cleanup (post-6655638) jrose parents: 845 diff changeset	1287 __ jump(ExternalAddress(from_interpreted_entry(_raise_exception)));
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1288 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1289 break;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1290
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1291 case _bound_ref_mh:
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1292 case _bound_int_mh:
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1293 case _bound_long_mh:
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1294 case _bound_ref_direct_mh:
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1295 case _bound_int_direct_mh:
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1296 case _bound_long_direct_mh:
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1297 {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1298 bool direct_to_method = (ek >= _bound_ref_direct_mh);
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1299 BasicType arg_type = ek_bound_mh_arg_type(ek);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1300 int arg_slots = type2size[arg_type];
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1301
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1302 // make room for the new argument:
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1303 __ movl(rax_argslot, rcx_bmh_vmargslot);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1304 __ lea(rax_argslot, __ argument_address(rax_argslot));
2258 28bf941f445e 7018378: JSR 292: _bound_int_mh produces wrong result on 64-bit SPARC twisti parents: 2116 diff changeset	1305
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1306 insert_arg_slots(_masm, arg_slots * stack_move_unit(), rax_argslot, rbx_temp, rdx_temp);
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1307
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1308 // store bound argument into the new stack slot:
1846 d55217dc206f 6829194: JSR 292 needs to support compressed oops twisti parents: 1818 diff changeset	1309 __ load_heap_oop(rbx_temp, rcx_bmh_argument);
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1310 if (arg_type == T_OBJECT) {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1311 __ movptr(Address(rax_argslot, 0), rbx_temp);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1312 } else {
2258 28bf941f445e 7018378: JSR 292: _bound_int_mh produces wrong result on 64-bit SPARC twisti parents: 2116 diff changeset	1313 Address prim_value_addr(rbx_temp, java_lang_boxing_object::value_offset_in_bytes(arg_type));
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1314 move_typed_arg(_masm, arg_type, false,
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1315 Address(rax_argslot, 0),
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1316 prim_value_addr,
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1317 rbx_temp, rdx_temp);
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1318 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1319
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1320 if (direct_to_method) {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1321 Register rbx_method = rbx_temp;
1846 d55217dc206f 6829194: JSR 292 needs to support compressed oops twisti parents: 1818 diff changeset	1322 __ load_heap_oop(rbx_method, rcx_mh_vmtarget);
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1323 __ verify_oop(rbx_method);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1324 __ jmp(rbx_method_fie);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1325 } else {
1846 d55217dc206f 6829194: JSR 292 needs to support compressed oops twisti parents: 1818 diff changeset	1326 __ load_heap_oop(rcx_recv, rcx_mh_vmtarget);
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1327 __ verify_oop(rcx_recv);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1328 __ jump_to_method_handle_entry(rcx_recv, rdx_temp);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1329 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1330 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1331 break;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1332
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1333 case _adapter_retype_only:
1039 987e948ebbc8 6815692: method handle code needs some cleanup (post-6655638) jrose parents: 845 diff changeset	1334 case _adapter_retype_raw:
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1335 // immediately jump to the next MH layer:
1846 d55217dc206f 6829194: JSR 292 needs to support compressed oops twisti parents: 1818 diff changeset	1336 __ load_heap_oop(rcx_recv, rcx_mh_vmtarget);
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1337 __ verify_oop(rcx_recv);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1338 __ jump_to_method_handle_entry(rcx_recv, rdx_temp);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1339 // This is OK when all parameter types widen.
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1340 // It is also OK when a return type narrows.
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1341 break;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1342
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1343 case _adapter_check_cast:
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1344 {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1345 // temps:
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1346 Register rbx_klass = rbx_temp; // interesting AMH data
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1347
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1348 // check a reference argument before jumping to the next layer of MH:
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1349 __ movl(rax_argslot, rcx_amh_vmargslot);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1350 vmarg = __ argument_address(rax_argslot);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1351
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1352 // What class are we casting to?
1846 d55217dc206f 6829194: JSR 292 needs to support compressed oops twisti parents: 1818 diff changeset	1353 __ load_heap_oop(rbx_klass, rcx_amh_argument); // this is a Class object!
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1354 load_klass_from_Class(_masm, rbx_klass);
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1355
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1356 Label done;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1357 __ movptr(rdx_temp, vmarg);
1277 855c5171834c 6928839: JSR 292 typo in x86 _adapter_check_cast twisti parents: 1135 diff changeset	1358 __ testptr(rdx_temp, rdx_temp);
1846 d55217dc206f 6829194: JSR 292 needs to support compressed oops twisti parents: 1818 diff changeset	1359 __ jcc(Assembler::zero, done); // no cast if null
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1360 __ load_klass(rdx_temp, rdx_temp);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1361
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1362 // live at this point:
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1363 // - rbx_klass: klass required by the target method
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1364 // - rdx_temp: argument klass to test
1039 987e948ebbc8 6815692: method handle code needs some cleanup (post-6655638) jrose parents: 845 diff changeset	1365 // - rcx_recv: adapter method handle
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1366 __ check_klass_subtype(rdx_temp, rbx_klass, rax_argslot, done);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1367
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1368 // If we get here, the type check failed!
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1369 // Call the wrong_method_type stub, passing the failing argument type in rax.
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1370 Register rax_mtype = rax_argslot;
1039 987e948ebbc8 6815692: method handle code needs some cleanup (post-6655638) jrose parents: 845 diff changeset	1371 __ movl(rax_argslot, rcx_amh_vmargslot); // reload argslot field
987e948ebbc8 6815692: method handle code needs some cleanup (post-6655638) jrose parents: 845 diff changeset	1372 __ movptr(rdx_temp, vmarg);
987e948ebbc8 6815692: method handle code needs some cleanup (post-6655638) jrose parents: 845 diff changeset	1373
2088 8d0b933dda2d 7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot twisti parents: 1972 diff changeset	1374 assert_different_registers(rarg2_required, rdx_temp);
8d0b933dda2d 7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot twisti parents: 1972 diff changeset	1375 __ load_heap_oop(rarg2_required, rcx_amh_argument); // required class
8d0b933dda2d 7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot twisti parents: 1972 diff changeset	1376 __ mov( rarg1_actual, rdx_temp); // bad object
8d0b933dda2d 7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot twisti parents: 1972 diff changeset	1377 __ movl( rarg0_code, (int) Bytecodes::_checkcast); // who is complaining?
1039 987e948ebbc8 6815692: method handle code needs some cleanup (post-6655638) jrose parents: 845 diff changeset	1378 __ jump(ExternalAddress(from_interpreted_entry(_raise_exception)));
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1379
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1380 __ bind(done);
1039 987e948ebbc8 6815692: method handle code needs some cleanup (post-6655638) jrose parents: 845 diff changeset	1381 // get the new MH:
1846 d55217dc206f 6829194: JSR 292 needs to support compressed oops twisti parents: 1818 diff changeset	1382 __ load_heap_oop(rcx_recv, rcx_mh_vmtarget);
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1383 __ jump_to_method_handle_entry(rcx_recv, rdx_temp);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1384 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1385 break;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1386
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1387 case _adapter_prim_to_prim:
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1388 case _adapter_ref_to_prim:
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1389 case _adapter_prim_to_ref:
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1390 // handled completely by optimized cases
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1391 __ stop("init_AdapterMethodHandle should not issue this");
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1392 break;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1393
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1394 case _adapter_opt_i2i: // optimized subcase of adapt_prim_to_prim
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1395 //case _adapter_opt_f2i: // optimized subcase of adapt_prim_to_prim
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1396 case _adapter_opt_l2i: // optimized subcase of adapt_prim_to_prim
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1397 case _adapter_opt_unboxi: // optimized subcase of adapt_ref_to_prim
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1398 {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1399 // perform an in-place conversion to int or an int subword
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1400 __ movl(rax_argslot, rcx_amh_vmargslot);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1401 vmarg = __ argument_address(rax_argslot);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1402
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1403 switch (ek) {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1404 case _adapter_opt_i2i:
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1405 __ movl(rdx_temp, vmarg);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1406 break;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1407 case _adapter_opt_l2i:
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1408 {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1409 // just delete the extra slot; on a little-endian machine we keep the first
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1410 __ lea(rax_argslot, __ argument_address(rax_argslot, 1));
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1411 remove_arg_slots(_masm, -stack_move_unit(),
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1412 rax_argslot, rbx_temp, rdx_temp);
1506 2338d41fbd81 6943304: remove tagged stack interpreter twisti parents: 1503 diff changeset	1413 vmarg = Address(rax_argslot, -Interpreter::stackElementSize);
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1414 __ movl(rdx_temp, vmarg);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1415 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1416 break;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1417 case _adapter_opt_unboxi:
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1418 {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1419 // Load the value up from the heap.
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1420 __ movptr(rdx_temp, vmarg);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1421 int value_offset = java_lang_boxing_object::value_offset_in_bytes(T_INT);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1422 #ifdef ASSERT
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1423 for (int bt = T_BOOLEAN; bt < T_INT; bt++) {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1424 if (is_subword_type(BasicType(bt)))
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1425 assert(value_offset == java_lang_boxing_object::value_offset_in_bytes(BasicType(bt)), "");
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1426 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1427 #endif
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1428 __ null_check(rdx_temp, value_offset);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1429 __ movl(rdx_temp, Address(rdx_temp, value_offset));
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1430 // We load this as a word. Because we are little-endian,
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1431 // the low bits will be correct, but the high bits may need cleaning.
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1432 // The vminfo will guide us to clean those bits.
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1433 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1434 break;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1435 default:
1304 76c1d7d13ec5 6932091: JSR 292 x86 code cleanup twisti parents: 1293 diff changeset	1436 ShouldNotReachHere();
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1437 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1438
1304 76c1d7d13ec5 6932091: JSR 292 x86 code cleanup twisti parents: 1293 diff changeset	1439 // Do the requested conversion and store the value.
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1440 Register rbx_vminfo = rbx_temp;
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1441 load_conversion_vminfo(_masm, rbx_vminfo, rcx_amh_conversion);
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1442
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1443 // get the new MH:
1846 d55217dc206f 6829194: JSR 292 needs to support compressed oops twisti parents: 1818 diff changeset	1444 __ load_heap_oop(rcx_recv, rcx_mh_vmtarget);
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1445 // (now we are done with the old MH)
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1446
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1447 // original 32-bit vmdata word must be of this form:
1135 e66fd840cb6b 6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164) twisti parents: 1133 diff changeset	1448 // \| MBZ:6 \| signBitCount:8 \| srcDstTypes:8 \| conversionOp:8 \|
e66fd840cb6b 6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164) twisti parents: 1133 diff changeset	1449 __ xchgptr(rcx, rbx_vminfo); // free rcx for shifts
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1450 __ shll(rdx_temp /, rcx/);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1451 Label zero_extend, done;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1452 __ testl(rcx, CONV_VMINFO_SIGN_FLAG);
1135 e66fd840cb6b 6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164) twisti parents: 1133 diff changeset	1453 __ jccb(Assembler::zero, zero_extend);
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1454
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1455 // this path is taken for int->byte, int->short
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1456 __ sarl(rdx_temp /, rcx/);
1135 e66fd840cb6b 6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164) twisti parents: 1133 diff changeset	1457 __ jmpb(done);
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1458
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1459 __ bind(zero_extend);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1460 // this is taken for int->char
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1461 __ shrl(rdx_temp /, rcx/);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1462
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1463 __ bind(done);
1304 76c1d7d13ec5 6932091: JSR 292 x86 code cleanup twisti parents: 1293 diff changeset	1464 __ movl(vmarg, rdx_temp); // Store the value.
1135 e66fd840cb6b 6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164) twisti parents: 1133 diff changeset	1465 __ xchgptr(rcx, rbx_vminfo); // restore rcx_recv
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1466
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1467 __ jump_to_method_handle_entry(rcx_recv, rdx_temp);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1468 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1469 break;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1470
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1471 case _adapter_opt_i2l: // optimized subcase of adapt_prim_to_prim
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1472 case _adapter_opt_unboxl: // optimized subcase of adapt_ref_to_prim
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1473 {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1474 // perform an in-place int-to-long or ref-to-long conversion
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1475 __ movl(rax_argslot, rcx_amh_vmargslot);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1476
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1477 // on a little-endian machine we keep the first slot and add another after
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1478 __ lea(rax_argslot, __ argument_address(rax_argslot, 1));
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1479 insert_arg_slots(_masm, stack_move_unit(),
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1480 rax_argslot, rbx_temp, rdx_temp);
1506 2338d41fbd81 6943304: remove tagged stack interpreter twisti parents: 1503 diff changeset	1481 Address vmarg1(rax_argslot, -Interpreter::stackElementSize);
2338d41fbd81 6943304: remove tagged stack interpreter twisti parents: 1503 diff changeset	1482 Address vmarg2 = vmarg1.plus_disp(Interpreter::stackElementSize);
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1483
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1484 switch (ek) {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1485 case _adapter_opt_i2l:
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1486 {
1293 51db1e4b379d 6932536: JSR 292 modified JDK MethodHandlesTest fails on x86_64 twisti parents: 1277 diff changeset	1487 #ifdef _LP64
51db1e4b379d 6932536: JSR 292 modified JDK MethodHandlesTest fails on x86_64 twisti parents: 1277 diff changeset	1488 __ movslq(rdx_temp, vmarg1); // Load sign-extended
51db1e4b379d 6932536: JSR 292 modified JDK MethodHandlesTest fails on x86_64 twisti parents: 1277 diff changeset	1489 __ movq(vmarg1, rdx_temp); // Store into first slot
51db1e4b379d 6932536: JSR 292 modified JDK MethodHandlesTest fails on x86_64 twisti parents: 1277 diff changeset	1490 #else
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1491 __ movl(rdx_temp, vmarg1);
1293 51db1e4b379d 6932536: JSR 292 modified JDK MethodHandlesTest fails on x86_64 twisti parents: 1277 diff changeset	1492 __ sarl(rdx_temp, BitsPerInt - 1); // __ extend_sign()
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1493 __ movl(vmarg2, rdx_temp); // store second word
1293 51db1e4b379d 6932536: JSR 292 modified JDK MethodHandlesTest fails on x86_64 twisti parents: 1277 diff changeset	1494 #endif
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1495 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1496 break;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1497 case _adapter_opt_unboxl:
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1498 {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1499 // Load the value up from the heap.
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1500 __ movptr(rdx_temp, vmarg1);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1501 int value_offset = java_lang_boxing_object::value_offset_in_bytes(T_LONG);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1502 assert(value_offset == java_lang_boxing_object::value_offset_in_bytes(T_DOUBLE), "");
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1503 __ null_check(rdx_temp, value_offset);
1293 51db1e4b379d 6932536: JSR 292 modified JDK MethodHandlesTest fails on x86_64 twisti parents: 1277 diff changeset	1504 #ifdef _LP64
51db1e4b379d 6932536: JSR 292 modified JDK MethodHandlesTest fails on x86_64 twisti parents: 1277 diff changeset	1505 __ movq(rbx_temp, Address(rdx_temp, value_offset));
51db1e4b379d 6932536: JSR 292 modified JDK MethodHandlesTest fails on x86_64 twisti parents: 1277 diff changeset	1506 __ movq(vmarg1, rbx_temp);
51db1e4b379d 6932536: JSR 292 modified JDK MethodHandlesTest fails on x86_64 twisti parents: 1277 diff changeset	1507 #else
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1508 __ movl(rbx_temp, Address(rdx_temp, value_offset + 0*BytesPerInt));
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1509 __ movl(rdx_temp, Address(rdx_temp, value_offset + 1*BytesPerInt));
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1510 __ movl(vmarg1, rbx_temp);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1511 __ movl(vmarg2, rdx_temp);
1293 51db1e4b379d 6932536: JSR 292 modified JDK MethodHandlesTest fails on x86_64 twisti parents: 1277 diff changeset	1512 #endif
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1513 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1514 break;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1515 default:
1304 76c1d7d13ec5 6932091: JSR 292 x86 code cleanup twisti parents: 1293 diff changeset	1516 ShouldNotReachHere();
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1517 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1518
1846 d55217dc206f 6829194: JSR 292 needs to support compressed oops twisti parents: 1818 diff changeset	1519 __ load_heap_oop(rcx_recv, rcx_mh_vmtarget);
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1520 __ jump_to_method_handle_entry(rcx_recv, rdx_temp);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1521 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1522 break;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1523
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1524 case _adapter_opt_f2d: // optimized subcase of adapt_prim_to_prim
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1525 case _adapter_opt_d2f: // optimized subcase of adapt_prim_to_prim
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1526 {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1527 // perform an in-place floating primitive conversion
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1528 __ movl(rax_argslot, rcx_amh_vmargslot);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1529 __ lea(rax_argslot, __ argument_address(rax_argslot, 1));
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1530 if (ek == _adapter_opt_f2d) {
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1531 insert_arg_slots(_masm, stack_move_unit(),
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1532 rax_argslot, rbx_temp, rdx_temp);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1533 }
1506 2338d41fbd81 6943304: remove tagged stack interpreter twisti parents: 1503 diff changeset	1534 Address vmarg(rax_argslot, -Interpreter::stackElementSize);
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1535
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1536 #ifdef _LP64
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1537 if (ek == _adapter_opt_f2d) {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1538 __ movflt(xmm0, vmarg);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1539 __ cvtss2sd(xmm0, xmm0);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1540 __ movdbl(vmarg, xmm0);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1541 } else {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1542 __ movdbl(xmm0, vmarg);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1543 __ cvtsd2ss(xmm0, xmm0);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1544 __ movflt(vmarg, xmm0);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1545 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1546 #else //_LP64
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1547 if (ek == _adapter_opt_f2d) {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1548 __ fld_s(vmarg); // load float to ST0
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1549 __ fstp_s(vmarg); // store single
1304 76c1d7d13ec5 6932091: JSR 292 x86 code cleanup twisti parents: 1293 diff changeset	1550 } else {
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1551 __ fld_d(vmarg); // load double to ST0
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1552 __ fstp_s(vmarg); // store single
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1553 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1554 #endif //_LP64
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1555
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1556 if (ek == _adapter_opt_d2f) {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1557 remove_arg_slots(_masm, -stack_move_unit(),
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1558 rax_argslot, rbx_temp, rdx_temp);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1559 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1560
1846 d55217dc206f 6829194: JSR 292 needs to support compressed oops twisti parents: 1818 diff changeset	1561 __ load_heap_oop(rcx_recv, rcx_mh_vmtarget);
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1562 __ jump_to_method_handle_entry(rcx_recv, rdx_temp);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1563 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1564 break;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1565
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1566 case _adapter_swap_args:
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1567 case _adapter_rot_args:
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1568 // handled completely by optimized cases
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1569 __ stop("init_AdapterMethodHandle should not issue this");
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1570 break;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1571
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1572 case _adapter_opt_swap_1:
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1573 case _adapter_opt_swap_2:
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1574 case _adapter_opt_rot_1_up:
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1575 case _adapter_opt_rot_1_down:
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1576 case _adapter_opt_rot_2_up:
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1577 case _adapter_opt_rot_2_down:
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1578 {
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1579 int swap_slots = ek_adapter_opt_swap_slots(ek);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1580 int rotate = ek_adapter_opt_swap_mode(ek);
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1581
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1582 // 'argslot' is the position of the first argument to swap
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1583 __ movl(rax_argslot, rcx_amh_vmargslot);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1584 __ lea(rax_argslot, __ argument_address(rax_argslot));
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1585
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1586 // 'vminfo' is the second
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1587 Register rbx_destslot = rbx_temp;
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1588 load_conversion_vminfo(_masm, rbx_destslot, rcx_amh_conversion);
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1589 __ lea(rbx_destslot, __ argument_address(rbx_destslot));
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1590 if (VerifyMethodHandles)
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1591 verify_argslot(_masm, rbx_destslot, "swap point must fall within current frame");
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1592
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1593 assert(Interpreter::stackElementSize == wordSize, "else rethink use of wordSize here");
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1594 if (!rotate) {
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1595 // simple swap
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1596 for (int i = 0; i < swap_slots; i++) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1597 __ movptr(rdi_temp, Address(rax_argslot, i * wordSize));
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1598 __ movptr(rdx_temp, Address(rbx_destslot, i * wordSize));
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1599 __ movptr(Address(rax_argslot, i * wordSize), rdx_temp);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1600 __ movptr(Address(rbx_destslot, i * wordSize), rdi_temp);
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1601 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1602 } else {
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1603 // A rotate is actually pair of moves, with an "odd slot" (or pair)
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1604 // changing place with a series of other slots.
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1605 // First, push the "odd slot", which is going to get overwritten
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1606 for (int i = swap_slots - 1; i >= 0; i--) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1607 // handle one with rdi_temp instead of a push:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1608 if (i == 0) __ movptr(rdi_temp, Address(rax_argslot, i * wordSize));
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1609 else __ pushptr( Address(rax_argslot, i * wordSize));
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1610 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1611 if (rotate > 0) {
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1612 // Here is rotate > 0:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1613 // (low mem) (high mem)
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1614 // \| dest: more_slots... \| arg: odd_slot :arg+1 \|
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1615 // =>
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1616 // \| dest: odd_slot \| dest+1: more_slots... :arg+1 \|
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1617 // work argslot down to destslot, copying contiguous data upwards
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1618 // pseudo-code:
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1619 // rax = src_addr - swap_bytes
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1620 // rbx = dest_addr
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1621 // while (rax >= rbx) (rax + swap_bytes) = (rax + 0), rax--;
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1622 move_arg_slots_up(_masm,
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1623 rbx_destslot,
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1624 Address(rax_argslot, 0),
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1625 swap_slots,
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1626 rax_argslot, rdx_temp);
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1627 } else {
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1628 // Here is the other direction, rotate < 0:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1629 // (low mem) (high mem)
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1630 // \| arg: odd_slot \| arg+1: more_slots... :dest+1 \|
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1631 // =>
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1632 // \| arg: more_slots... \| dest: odd_slot :dest+1 \|
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1633 // work argslot up to destslot, copying contiguous data downwards
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1634 // pseudo-code:
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1635 // rax = src_addr + swap_bytes
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1636 // rbx = dest_addr
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1637 // while (rax <= rbx) (rax - swap_bytes) = (rax + 0), rax++;
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1638 __ addptr(rbx_destslot, wordSize);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1639 move_arg_slots_down(_masm,
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1640 Address(rax_argslot, swap_slots * wordSize),
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1641 rbx_destslot,
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1642 -swap_slots,
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1643 rax_argslot, rdx_temp);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1644
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1645 __ subptr(rbx_destslot, wordSize);
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1646 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1647 // pop the original first chunk into the destination slot, now free
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1648 for (int i = 0; i < swap_slots; i++) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1649 if (i == 0) __ movptr(Address(rbx_destslot, i * wordSize), rdi_temp);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1650 else __ popptr(Address(rbx_destslot, i * wordSize));
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1651 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1652 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1653
1846 d55217dc206f 6829194: JSR 292 needs to support compressed oops twisti parents: 1818 diff changeset	1654 __ load_heap_oop(rcx_recv, rcx_mh_vmtarget);
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1655 __ jump_to_method_handle_entry(rcx_recv, rdx_temp);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1656 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1657 break;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1658
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1659 case _adapter_dup_args:
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1660 {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1661 // 'argslot' is the position of the first argument to duplicate
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1662 __ movl(rax_argslot, rcx_amh_vmargslot);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1663 __ lea(rax_argslot, __ argument_address(rax_argslot));
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1664
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1665 // 'stack_move' is negative number of words to duplicate
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1666 Register rdi_stack_move = rdi_temp;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1667 load_stack_move(_masm, rdi_stack_move, rcx_recv, true);
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1668
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1669 if (VerifyMethodHandles) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1670 verify_argslots(_masm, rdi_stack_move, rax_argslot, true,
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1671 "copied argument(s) must fall within current frame");
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1672 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1673
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1674 // insert location is always the bottom of the argument list:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1675 Address insert_location = __ argument_address(constant(0));
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1676 int pre_arg_words = insert_location.disp() / wordSize; // return PC is pushed
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1677 assert(insert_location.base() == rsp, "");
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1678
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1679 __ negl(rdi_stack_move);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1680 push_arg_slots(_masm, rax_argslot, rdi_stack_move,
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1681 pre_arg_words, rbx_temp, rdx_temp);
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1682
1846 d55217dc206f 6829194: JSR 292 needs to support compressed oops twisti parents: 1818 diff changeset	1683 __ load_heap_oop(rcx_recv, rcx_mh_vmtarget);
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1684 __ jump_to_method_handle_entry(rcx_recv, rdx_temp);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1685 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1686 break;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1687
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1688 case _adapter_drop_args:
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1689 {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1690 // 'argslot' is the position of the first argument to nuke
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1691 __ movl(rax_argslot, rcx_amh_vmargslot);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1692 __ lea(rax_argslot, __ argument_address(rax_argslot));
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1693
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1694 // (must do previous push after argslot address is taken)
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1695
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1696 // 'stack_move' is number of words to drop
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1697 Register rdi_stack_move = rdi_temp;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1698 load_stack_move(_masm, rdi_stack_move, rcx_recv, false);
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1699 remove_arg_slots(_masm, rdi_stack_move,
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1700 rax_argslot, rbx_temp, rdx_temp);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1701
1846 d55217dc206f 6829194: JSR 292 needs to support compressed oops twisti parents: 1818 diff changeset	1702 __ load_heap_oop(rcx_recv, rcx_mh_vmtarget);
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1703 __ jump_to_method_handle_entry(rcx_recv, rdx_temp);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1704 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1705 break;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1706
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1707 case _adapter_collect_args:
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1708 case _adapter_fold_args:
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1709 case _adapter_spread_args:
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1710 // handled completely by optimized cases
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1711 __ stop("init_AdapterMethodHandle should not issue this");
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1712 break;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1713
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1714 case _adapter_opt_collect_ref:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1715 case _adapter_opt_collect_int:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1716 case _adapter_opt_collect_long:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1717 case _adapter_opt_collect_float:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1718 case _adapter_opt_collect_double:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1719 case _adapter_opt_collect_void:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1720 case _adapter_opt_collect_0_ref:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1721 case _adapter_opt_collect_1_ref:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1722 case _adapter_opt_collect_2_ref:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1723 case _adapter_opt_collect_3_ref:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1724 case _adapter_opt_collect_4_ref:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1725 case _adapter_opt_collect_5_ref:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1726 case _adapter_opt_filter_S0_ref:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1727 case _adapter_opt_filter_S1_ref:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1728 case _adapter_opt_filter_S2_ref:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1729 case _adapter_opt_filter_S3_ref:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1730 case _adapter_opt_filter_S4_ref:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1731 case _adapter_opt_filter_S5_ref:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1732 case _adapter_opt_collect_2_S0_ref:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1733 case _adapter_opt_collect_2_S1_ref:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1734 case _adapter_opt_collect_2_S2_ref:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1735 case _adapter_opt_collect_2_S3_ref:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1736 case _adapter_opt_collect_2_S4_ref:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1737 case _adapter_opt_collect_2_S5_ref:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1738 case _adapter_opt_fold_ref:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1739 case _adapter_opt_fold_int:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1740 case _adapter_opt_fold_long:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1741 case _adapter_opt_fold_float:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1742 case _adapter_opt_fold_double:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1743 case _adapter_opt_fold_void:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1744 case _adapter_opt_fold_1_ref:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1745 case _adapter_opt_fold_2_ref:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1746 case _adapter_opt_fold_3_ref:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1747 case _adapter_opt_fold_4_ref:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1748 case _adapter_opt_fold_5_ref:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1749 {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1750 // Given a fresh incoming stack frame, build a new ricochet frame.
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1751 // On entry, TOS points at a return PC, and RBP is the callers frame ptr.
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1752 // RSI/R13 has the caller's exact stack pointer, which we must also preserve.
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1753 // RCX contains an AdapterMethodHandle of the indicated kind.
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1754
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1755 // Relevant AMH fields:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1756 // amh.vmargslot:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1757 // points to the trailing edge of the arguments
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1758 // to filter, collect, or fold. For a boxing operation,
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1759 // it points just after the single primitive value.
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1760 // amh.argument:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1761 // recursively called MH, on \|collect\| arguments
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1762 // amh.vmtarget:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1763 // final destination MH, on return value, etc.
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1764 // amh.conversion.dest:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1765 // tells what is the type of the return value
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1766 // (not needed here, since dest is also derived from ek)
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1767 // amh.conversion.vminfo:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1768 // points to the trailing edge of the return value
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1769 // when the vmtarget is to be called; this is
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1770 // equal to vmargslot + (retained ? \|collect\| : 0)
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1771
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1772 // Pass 0 or more argument slots to the recursive target.
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1773 int collect_count_constant = ek_adapter_opt_collect_count(ek);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1774
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1775 // The collected arguments are copied from the saved argument list:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1776 int collect_slot_constant = ek_adapter_opt_collect_slot(ek);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1777
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1778 assert(ek_orig == _adapter_collect_args \|\|
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1779 ek_orig == _adapter_fold_args, "");
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1780 bool retain_original_args = (ek_orig == _adapter_fold_args);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1781
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1782 // The return value is replaced (or inserted) at the 'vminfo' argslot.
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1783 // Sometimes we can compute this statically.
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1784 int dest_slot_constant = -1;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1785 if (!retain_original_args)
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1786 dest_slot_constant = collect_slot_constant;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1787 else if (collect_slot_constant >= 0 && collect_count_constant >= 0)
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1788 // We are preserving all the arguments, and the return value is prepended,
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1789 // so the return slot is to the left (above) the \|collect\| sequence.
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1790 dest_slot_constant = collect_slot_constant + collect_count_constant;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1791
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1792 // Replace all those slots by the result of the recursive call.
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1793 // The result type can be one of ref, int, long, float, double, void.
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1794 // In the case of void, nothing is pushed on the stack after return.
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1795 BasicType dest = ek_adapter_opt_collect_type(ek);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1796 assert(dest == type2wfield[dest], "dest is a stack slot type");
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1797 int dest_count = type2size[dest];
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1798 assert(dest_count == 1 \|\| dest_count == 2 \|\| (dest_count == 0 && dest == T_VOID), "dest has a size");
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1799
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1800 // Choose a return continuation.
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1801 EntryKind ek_ret = _adapter_opt_return_any;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1802 if (dest != T_CONFLICT && OptimizeMethodHandles) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1803 switch (dest) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1804 case T_INT : ek_ret = _adapter_opt_return_int; break;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1805 case T_LONG : ek_ret = _adapter_opt_return_long; break;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1806 case T_FLOAT : ek_ret = _adapter_opt_return_float; break;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1807 case T_DOUBLE : ek_ret = _adapter_opt_return_double; break;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1808 case T_OBJECT : ek_ret = _adapter_opt_return_ref; break;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1809 case T_VOID : ek_ret = _adapter_opt_return_void; break;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1810 default : ShouldNotReachHere();
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1811 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1812 if (dest == T_OBJECT && dest_slot_constant >= 0) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1813 EntryKind ek_try = EntryKind(_adapter_opt_return_S0_ref + dest_slot_constant);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1814 if (ek_try <= _adapter_opt_return_LAST &&
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1815 ek_adapter_opt_return_slot(ek_try) == dest_slot_constant) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1816 ek_ret = ek_try;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1817 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1818 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1819 assert(ek_adapter_opt_return_type(ek_ret) == dest, "");
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1820 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1821
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1822 // Already pushed: ... keep1 \| collect \| keep2 \| sender_pc \|
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1823 // push(sender_pc);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1824
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1825 // Compute argument base:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1826 Register rax_argv = rax_argslot;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1827 __ lea(rax_argv, __ argument_address(constant(0)));
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1828
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1829 // Push a few extra argument words, if we need them to store the return value.
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1830 {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1831 int extra_slots = 0;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1832 if (retain_original_args) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1833 extra_slots = dest_count;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1834 } else if (collect_count_constant == -1) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1835 extra_slots = dest_count; // collect_count might be zero; be generous
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1836 } else if (dest_count > collect_count_constant) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1837 extra_slots = (dest_count - collect_count_constant);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1838 } else {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1839 // else we know we have enough dead space in \|collect\| to repurpose for return values
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1840 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1841 DEBUG_ONLY(extra_slots += 1);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1842 if (extra_slots > 0) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1843 __ pop(rbx_temp); // return value
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1844 __ subptr(rsp, (extra_slots * Interpreter::stackElementSize));
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1845 // Push guard word #2 in debug mode.
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1846 DEBUG_ONLY(__ movptr(Address(rsp, 0), (int32_t) RicochetFrame::MAGIC_NUMBER_2));
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1847 __ push(rbx_temp);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1848 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1849 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1850
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1851 RicochetFrame::enter_ricochet_frame(_masm, rcx_recv, rax_argv,
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1852 entry(ek_ret)->from_interpreted_entry(), rbx_temp);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1853
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1854 // Now pushed: ... keep1 \| collect \| keep2 \| RF \|
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1855 // some handy frame slots:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1856 Address exact_sender_sp_addr = RicochetFrame::frame_address(RicochetFrame::exact_sender_sp_offset_in_bytes());
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1857 Address conversion_addr = RicochetFrame::frame_address(RicochetFrame::conversion_offset_in_bytes());
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1858 Address saved_args_base_addr = RicochetFrame::frame_address(RicochetFrame::saved_args_base_offset_in_bytes());
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1859
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1860 #ifdef ASSERT
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1861 if (VerifyMethodHandles && dest != T_CONFLICT) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1862 BLOCK_COMMENT("verify AMH.conv.dest");
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1863 load_conversion_dest_type(_masm, rbx_temp, conversion_addr);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1864 Label L_dest_ok;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1865 __ cmpl(rbx_temp, (int) dest);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1866 __ jcc(Assembler::equal, L_dest_ok);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1867 if (dest == T_INT) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1868 for (int bt = T_BOOLEAN; bt < T_INT; bt++) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1869 if (is_subword_type(BasicType(bt))) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1870 __ cmpl(rbx_temp, (int) bt);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1871 __ jcc(Assembler::equal, L_dest_ok);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1872 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1873 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1874 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1875 __ stop("bad dest in AMH.conv");
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1876 __ BIND(L_dest_ok);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1877 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1878 #endif //ASSERT
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1879
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1880 // Find out where the original copy of the recursive argument sequence begins.
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1881 Register rax_coll = rax_argv;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1882 {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1883 RegisterOrConstant collect_slot = collect_slot_constant;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1884 if (collect_slot_constant == -1) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1885 __ movl(rdi_temp, rcx_amh_vmargslot);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1886 collect_slot = rdi_temp;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1887 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1888 if (collect_slot_constant != 0)
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1889 __ lea(rax_coll, Address(rax_argv, collect_slot, Interpreter::stackElementScale()));
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1890 // rax_coll now points at the trailing edge of \|collect\| and leading edge of \|keep2\|
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1891 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1892
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1893 // Replace the old AMH with the recursive MH. (No going back now.)
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1894 // In the case of a boxing call, the recursive call is to a 'boxer' method,
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1895 // such as Integer.valueOf or Long.valueOf. In the case of a filter
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1896 // or collect call, it will take one or more arguments, transform them,
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1897 // and return some result, to store back into argument_base[vminfo].
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1898 __ load_heap_oop(rcx_recv, rcx_amh_argument);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1899 if (VerifyMethodHandles) verify_method_handle(_masm, rcx_recv);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1900
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1901 // Push a space for the recursively called MH first:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1902 __ push((int32_t)NULL_WORD);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1903
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1904 // Calculate \|collect\|, the number of arguments we are collecting.
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1905 Register rdi_collect_count = rdi_temp;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1906 RegisterOrConstant collect_count;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1907 if (collect_count_constant >= 0) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1908 collect_count = collect_count_constant;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1909 } else {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1910 __ load_method_handle_vmslots(rdi_collect_count, rcx_recv, rdx_temp);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1911 collect_count = rdi_collect_count;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1912 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1913 #ifdef ASSERT
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1914 if (VerifyMethodHandles && collect_count_constant >= 0) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1915 __ load_method_handle_vmslots(rbx_temp, rcx_recv, rdx_temp);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1916 Label L_count_ok;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1917 __ cmpl(rbx_temp, collect_count_constant);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1918 __ jcc(Assembler::equal, L_count_ok);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1919 __ stop("bad vminfo in AMH.conv");
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1920 __ BIND(L_count_ok);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1921 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1922 #endif //ASSERT
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1923
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1924 // copy \|collect\| slots directly to TOS:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1925 push_arg_slots(_masm, rax_coll, collect_count, 0, rbx_temp, rdx_temp);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1926 // Now pushed: ... keep1 \| collect \| keep2 \| RF... \| collect \|
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1927 // rax_coll still points at the trailing edge of \|collect\| and leading edge of \|keep2\|
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1928
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1929 // If necessary, adjust the saved arguments to make room for the eventual return value.
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1930 // Normal adjustment: ... keep1 \| +dest+ \| -collect- \| keep2 \| RF... \| collect \|
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1931 // If retaining args: ... keep1 \| +dest+ \| collect \| keep2 \| RF... \| collect \|
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1932 // In the non-retaining case, this might move keep2 either up or down.
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1933 // We don't have to copy the whole \| RF... collect \| complex,
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1934 // but we must adjust RF.saved_args_base.
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1935 // Also, from now on, we will forget about the origial copy of \|collect\|.
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1936 // If we are retaining it, we will treat it as part of \|keep2\|.
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1937 // For clarity we will define \|keep3\| = \|collect\|keep2\| or \|keep2\|.
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1938
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1939 BLOCK_COMMENT("adjust trailing arguments {");
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1940 // Compare the sizes of \|+dest+\| and \|-collect-\|, which are opposed opening and closing movements.
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1941 int open_count = dest_count;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1942 RegisterOrConstant close_count = collect_count_constant;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1943 Register rdi_close_count = rdi_collect_count;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1944 if (retain_original_args) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1945 close_count = constant(0);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1946 } else if (collect_count_constant == -1) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1947 close_count = rdi_collect_count;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1948 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1949
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1950 // How many slots need moving? This is simply dest_slot (0 => no \|keep3\|).
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1951 RegisterOrConstant keep3_count;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1952 Register rsi_keep3_count = rsi; // can repair from RF.exact_sender_sp
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1953 if (dest_slot_constant >= 0) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1954 keep3_count = dest_slot_constant;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1955 } else {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1956 load_conversion_vminfo(_masm, rsi_keep3_count, conversion_addr);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1957 keep3_count = rsi_keep3_count;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1958 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1959 #ifdef ASSERT
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1960 if (VerifyMethodHandles && dest_slot_constant >= 0) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1961 load_conversion_vminfo(_masm, rbx_temp, conversion_addr);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1962 Label L_vminfo_ok;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1963 __ cmpl(rbx_temp, dest_slot_constant);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1964 __ jcc(Assembler::equal, L_vminfo_ok);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1965 __ stop("bad vminfo in AMH.conv");
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1966 __ BIND(L_vminfo_ok);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1967 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1968 #endif //ASSERT
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1969
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1970 // tasks remaining:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1971 bool move_keep3 = (!keep3_count.is_constant() \|\| keep3_count.as_constant() != 0);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1972 bool stomp_dest = (NOT_DEBUG(dest == T_OBJECT) DEBUG_ONLY(dest_count != 0));
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1973 bool fix_arg_base = (!close_count.is_constant() \|\| open_count != close_count.as_constant());
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1974
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1975 if (stomp_dest \| fix_arg_base) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1976 // we will probably need an updated rax_argv value
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1977 if (collect_slot_constant >= 0) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1978 // rax_coll already holds the leading edge of \|keep2\|, so tweak it
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1979 assert(rax_coll == rax_argv, "elided a move");
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1980 if (collect_slot_constant != 0)
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1981 __ subptr(rax_argv, collect_slot_constant * Interpreter::stackElementSize);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1982 } else {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1983 // Just reload from RF.saved_args_base.
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1984 __ movptr(rax_argv, saved_args_base_addr);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1985 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1986 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1987
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1988 // Old and new argument locations (based at slot 0).
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1989 // Net shift (&new_argv - &old_argv) is (close_count - open_count).
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1990 bool zero_open_count = (open_count == 0); // remember this bit of info
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1991 if (move_keep3 && fix_arg_base) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1992 // It will be easier t have everything in one register:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1993 if (close_count.is_register()) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1994 // Deduct open_count from close_count register to get a clean +/- value.
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1995 __ subptr(close_count.as_register(), open_count);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1996 } else {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1997 close_count = close_count.as_constant() - open_count;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1998 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	1999 open_count = 0;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2000 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2001 Address old_argv(rax_argv, 0);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2002 Address new_argv(rax_argv, close_count, Interpreter::stackElementScale(),
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2003 - open_count * Interpreter::stackElementSize);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2004
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2005 // First decide if any actual data are to be moved.
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2006 // We can skip if (a) \|keep3\| is empty, or (b) the argument list size didn't change.
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2007 // (As it happens, all movements involve an argument list size change.)
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2008
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2009 // If there are variable parameters, use dynamic checks to skip around the whole mess.
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2010 Label L_done;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2011 if (!keep3_count.is_constant()) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2012 __ testl(keep3_count.as_register(), keep3_count.as_register());
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2013 __ jcc(Assembler::zero, L_done);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2014 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2015 if (!close_count.is_constant()) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2016 __ cmpl(close_count.as_register(), open_count);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2017 __ jcc(Assembler::equal, L_done);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2018 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2019
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2020 if (move_keep3 && fix_arg_base) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2021 bool emit_move_down = false, emit_move_up = false, emit_guard = false;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2022 if (!close_count.is_constant()) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2023 emit_move_down = emit_guard = !zero_open_count;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2024 emit_move_up = true;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2025 } else if (open_count != close_count.as_constant()) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2026 emit_move_down = (open_count > close_count.as_constant());
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2027 emit_move_up = !emit_move_down;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2028 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2029 Label L_move_up;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2030 if (emit_guard) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2031 __ cmpl(close_count.as_register(), open_count);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2032 __ jcc(Assembler::greater, L_move_up);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2033 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2034
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2035 if (emit_move_down) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2036 // Move arguments down if \|+dest+\| > \|-collect-\|
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2037 // (This is rare, except when arguments are retained.)
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2038 // This opens space for the return value.
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2039 if (keep3_count.is_constant()) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2040 for (int i = 0; i < keep3_count.as_constant(); i++) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2041 __ movptr(rdx_temp, old_argv.plus_disp(i * Interpreter::stackElementSize));
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2042 __ movptr( new_argv.plus_disp(i * Interpreter::stackElementSize), rdx_temp);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2043 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2044 } else {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2045 Register rbx_argv_top = rbx_temp;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2046 __ lea(rbx_argv_top, old_argv.plus_disp(keep3_count, Interpreter::stackElementScale()));
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2047 move_arg_slots_down(_masm,
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2048 old_argv, // beginning of old argv
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2049 rbx_argv_top, // end of old argv
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2050 close_count, // distance to move down (must be negative)
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2051 rax_argv, rdx_temp);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2052 // Used argv as an iteration variable; reload from RF.saved_args_base.
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2053 __ movptr(rax_argv, saved_args_base_addr);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2054 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2055 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2056
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2057 if (emit_guard) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2058 __ jmp(L_done); // assumes emit_move_up is true also
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2059 __ BIND(L_move_up);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2060 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2061
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2062 if (emit_move_up) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2063
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2064 // Move arguments up if \|+dest+\| < \|-collect-\|
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2065 // (This is usual, except when \|keep3\| is empty.)
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2066 // This closes up the space occupied by the now-deleted collect values.
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2067 if (keep3_count.is_constant()) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2068 for (int i = keep3_count.as_constant() - 1; i >= 0; i--) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2069 __ movptr(rdx_temp, old_argv.plus_disp(i * Interpreter::stackElementSize));
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2070 __ movptr( new_argv.plus_disp(i * Interpreter::stackElementSize), rdx_temp);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2071 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2072 } else {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2073 Address argv_top = old_argv.plus_disp(keep3_count, Interpreter::stackElementScale());
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2074 move_arg_slots_up(_masm,
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2075 rax_argv, // beginning of old argv
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2076 argv_top, // end of old argv
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2077 close_count, // distance to move up (must be positive)
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2078 rbx_temp, rdx_temp);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2079 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2080 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2081 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2082 __ BIND(L_done);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2083
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2084 if (fix_arg_base) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2085 // adjust RF.saved_args_base by adding (close_count - open_count)
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2086 if (!new_argv.is_same_address(Address(rax_argv, 0)))
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2087 __ lea(rax_argv, new_argv);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2088 __ movptr(saved_args_base_addr, rax_argv);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2089 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2090
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2091 if (stomp_dest) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2092 // Stomp the return slot, so it doesn't hold garbage.
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2093 // This isn't strictly necessary, but it may help detect bugs.
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2094 int forty_two = RicochetFrame::RETURN_VALUE_PLACEHOLDER;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2095 __ movptr(Address(rax_argv, keep3_count, Address::times_ptr),
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2096 (int32_t) forty_two);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2097 // uses rsi_keep3_count
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2098 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2099 BLOCK_COMMENT("} adjust trailing arguments");
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2100
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2101 BLOCK_COMMENT("do_recursive_call");
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2102 __ mov(saved_last_sp, rsp); // set rsi/r13 for callee
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2103 __ pushptr(ExternalAddress(SharedRuntime::ricochet_blob()->bounce_addr()).addr());
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2104 // The globally unique bounce address has two purposes:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2105 // 1. It helps the JVM recognize this frame (frame::is_ricochet_frame).
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2106 // 2. When returned to, it cuts back the stack and redirects control flow
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2107 // to the return handler.
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2108 // The return handler will further cut back the stack when it takes
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2109 // down the RF. Perhaps there is a way to streamline this further.
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2110
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2111 // State during recursive call:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2112 // ... keep1 \| dest \| dest=42 \| keep3 \| RF... \| collect \| bounce_pc \|
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2113 __ jump_to_method_handle_entry(rcx_recv, rdx_temp);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2114
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2115 break;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2116 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2117
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2118 case _adapter_opt_return_ref:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2119 case _adapter_opt_return_int:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2120 case _adapter_opt_return_long:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2121 case _adapter_opt_return_float:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2122 case _adapter_opt_return_double:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2123 case _adapter_opt_return_void:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2124 case _adapter_opt_return_S0_ref:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2125 case _adapter_opt_return_S1_ref:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2126 case _adapter_opt_return_S2_ref:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2127 case _adapter_opt_return_S3_ref:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2128 case _adapter_opt_return_S4_ref:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2129 case _adapter_opt_return_S5_ref:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2130 {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2131 BasicType dest_type_constant = ek_adapter_opt_return_type(ek);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2132 int dest_slot_constant = ek_adapter_opt_return_slot(ek);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2133
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2134 if (VerifyMethodHandles) RicochetFrame::verify_clean(_masm);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2135
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2136 if (dest_slot_constant == -1) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2137 // The current stub is a general handler for this dest_type.
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2138 // It can be called from _adapter_opt_return_any below.
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2139 // Stash the address in a little table.
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2140 assert((dest_type_constant & CONV_TYPE_MASK) == dest_type_constant, "oob");
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2141 address return_handler = __ pc();
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2142 _adapter_return_handlers[dest_type_constant] = return_handler;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2143 if (dest_type_constant == T_INT) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2144 // do the subword types too
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2145 for (int bt = T_BOOLEAN; bt < T_INT; bt++) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2146 if (is_subword_type(BasicType(bt)) &&
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2147 _adapter_return_handlers[bt] == NULL) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2148 _adapter_return_handlers[bt] = return_handler;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2149 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2150 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2151 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2152 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2153
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2154 Register rbx_arg_base = rbx_temp;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2155 assert_different_registers(rax, rdx, // possibly live return value registers
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2156 rdi_temp, rbx_arg_base);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2157
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2158 Address conversion_addr = RicochetFrame::frame_address(RicochetFrame::conversion_offset_in_bytes());
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2159 Address saved_args_base_addr = RicochetFrame::frame_address(RicochetFrame::saved_args_base_offset_in_bytes());
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2160
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2161 __ movptr(rbx_arg_base, saved_args_base_addr);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2162 RegisterOrConstant dest_slot = dest_slot_constant;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2163 if (dest_slot_constant == -1) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2164 load_conversion_vminfo(_masm, rdi_temp, conversion_addr);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2165 dest_slot = rdi_temp;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2166 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2167 // Store the result back into the argslot.
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2168 // This code uses the interpreter calling sequence, in which the return value
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2169 // is usually left in the TOS register, as defined by InterpreterMacroAssembler::pop.
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2170 // There are certain irregularities with floating point values, which can be seen
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2171 // in TemplateInterpreterGenerator::generate_return_entry_for.
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2172 move_return_value(_masm, dest_type_constant, Address(rbx_arg_base, dest_slot, Interpreter::stackElementScale()));
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2173
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2174 RicochetFrame::leave_ricochet_frame(_masm, rcx_recv, rbx_arg_base, rdx_temp);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2175 __ push(rdx_temp); // repush the return PC
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2176
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2177 // Load the final target and go.
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2178 if (VerifyMethodHandles) verify_method_handle(_masm, rcx_recv);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2179 __ jump_to_method_handle_entry(rcx_recv, rdx_temp);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2180 __ hlt(); // --------------------
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2181 break;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2182 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2183
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2184 case _adapter_opt_return_any:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2185 {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2186 if (VerifyMethodHandles) RicochetFrame::verify_clean(_masm);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2187 Register rdi_conv = rdi_temp;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2188 assert_different_registers(rax, rdx, // possibly live return value registers
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2189 rdi_conv, rbx_temp);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2190
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2191 Address conversion_addr = RicochetFrame::frame_address(RicochetFrame::conversion_offset_in_bytes());
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2192 load_conversion_dest_type(_masm, rdi_conv, conversion_addr);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2193 __ lea(rbx_temp, ExternalAddress((address) &_adapter_return_handlers[0]));
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2194 __ movptr(rbx_temp, Address(rbx_temp, rdi_conv, Address::times_ptr));
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2195
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2196 #ifdef ASSERT
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2197 { Label L_badconv;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2198 __ testptr(rbx_temp, rbx_temp);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2199 __ jccb(Assembler::zero, L_badconv);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2200 __ jmp(rbx_temp);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2201 __ bind(L_badconv);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2202 __ stop("bad method handle return");
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2203 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2204 #else //ASSERT
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2205 __ jmp(rbx_temp);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2206 #endif //ASSERT
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2207 break;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2208 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2209
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	2210 case _adapter_opt_spread_0:
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2211 case _adapter_opt_spread_1_ref:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2212 case _adapter_opt_spread_2_ref:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2213 case _adapter_opt_spread_3_ref:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2214 case _adapter_opt_spread_4_ref:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2215 case _adapter_opt_spread_5_ref:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2216 case _adapter_opt_spread_ref:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2217 case _adapter_opt_spread_byte:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2218 case _adapter_opt_spread_char:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2219 case _adapter_opt_spread_short:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2220 case _adapter_opt_spread_int:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2221 case _adapter_opt_spread_long:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2222 case _adapter_opt_spread_float:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2223 case _adapter_opt_spread_double:
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	2224 {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	2225 // spread an array out into a group of arguments
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2226 int length_constant = ek_adapter_opt_spread_count(ek);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2227 bool length_can_be_zero = (length_constant == 0);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2228 if (length_constant < 0) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2229 // some adapters with variable length must handle the zero case
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2230 if (!OptimizeMethodHandles \|\|
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2231 ek_adapter_opt_spread_type(ek) != T_OBJECT)
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2232 length_can_be_zero = true;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2233 }
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	2234
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	2235 // find the address of the array argument
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	2236 __ movl(rax_argslot, rcx_amh_vmargslot);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	2237 __ lea(rax_argslot, __ argument_address(rax_argslot));
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	2238
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2239 // grab another temp
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2240 Register rsi_temp = rsi;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2241 { if (rsi_temp == saved_last_sp) __ push(saved_last_sp); }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2242 // (preceding push must be done after argslot address is taken!)
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2243 #define UNPUSH_RSI \
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2244 { if (rsi_temp == saved_last_sp) __ pop(saved_last_sp); }
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	2245
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	2246 // arx_argslot points both to the array and to the first output arg
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	2247 vmarg = Address(rax_argslot, 0);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	2248
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	2249 // Get the array value.
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2250 Register rsi_array = rsi_temp;
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	2251 Register rdx_array_klass = rdx_temp;
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2252 BasicType elem_type = ek_adapter_opt_spread_type(ek);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2253 int elem_slots = type2size[elem_type]; // 1 or 2
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2254 int array_slots = 1; // array is always a T_OBJECT
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	2255 int length_offset = arrayOopDesc::length_offset_in_bytes();
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	2256 int elem0_offset = arrayOopDesc::base_offset_in_bytes(elem_type);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	2257 __ movptr(rsi_array, vmarg);
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2258
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2259 Label L_array_is_empty, L_insert_arg_space, L_copy_args, L_args_done;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2260 if (length_can_be_zero) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2261 // handle the null pointer case, if zero is allowed
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2262 Label L_skip;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2263 if (length_constant < 0) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2264 load_conversion_vminfo(_masm, rbx_temp, rcx_amh_conversion);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2265 __ testl(rbx_temp, rbx_temp);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2266 __ jcc(Assembler::notZero, L_skip);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2267 }
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	2268 __ testptr(rsi_array, rsi_array);
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2269 __ jcc(Assembler::zero, L_array_is_empty);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2270 __ bind(L_skip);
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	2271 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	2272 __ null_check(rsi_array, oopDesc::klass_offset_in_bytes());
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	2273 __ load_klass(rdx_array_klass, rsi_array);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	2274
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	2275 // Check the array type.
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	2276 Register rbx_klass = rbx_temp;
1846 d55217dc206f 6829194: JSR 292 needs to support compressed oops twisti parents: 1818 diff changeset	2277 __ load_heap_oop(rbx_klass, rcx_amh_argument); // this is a Class object!
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2278 load_klass_from_Class(_masm, rbx_klass);
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	2279
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	2280 Label ok_array_klass, bad_array_klass, bad_array_length;
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2281 __ check_klass_subtype(rdx_array_klass, rbx_klass, rdi_temp, ok_array_klass);
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	2282 // If we get here, the type check failed!
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	2283 __ jmp(bad_array_klass);
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2284 __ BIND(ok_array_klass);
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	2285
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	2286 // Check length.
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	2287 if (length_constant >= 0) {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	2288 __ cmpl(Address(rsi_array, length_offset), length_constant);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	2289 } else {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	2290 Register rbx_vminfo = rbx_temp;
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2291 load_conversion_vminfo(_masm, rbx_vminfo, rcx_amh_conversion);
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	2292 __ cmpl(rbx_vminfo, Address(rsi_array, length_offset));
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	2293 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	2294 __ jcc(Assembler::notEqual, bad_array_length);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	2295
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	2296 Register rdx_argslot_limit = rdx_temp;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	2297
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	2298 // Array length checks out. Now insert any required stack slots.
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	2299 if (length_constant == -1) {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	2300 // Form a pointer to the end of the affected region.
1506 2338d41fbd81 6943304: remove tagged stack interpreter twisti parents: 1503 diff changeset	2301 __ lea(rdx_argslot_limit, Address(rax_argslot, Interpreter::stackElementSize));
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	2302 // 'stack_move' is negative number of words to insert
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2303 // This number already accounts for elem_slots.
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2304 Register rdi_stack_move = rdi_temp;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2305 load_stack_move(_masm, rdi_stack_move, rcx_recv, true);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2306 __ cmpptr(rdi_stack_move, 0);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2307 assert(stack_move_unit() < 0, "else change this comparison");
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2308 __ jcc(Assembler::less, L_insert_arg_space);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2309 __ jcc(Assembler::equal, L_copy_args);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2310 // single argument case, with no array movement
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2311 __ BIND(L_array_is_empty);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2312 remove_arg_slots(_masm, -stack_move_unit() * array_slots,
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2313 rax_argslot, rbx_temp, rdx_temp);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2314 __ jmp(L_args_done); // no spreading to do
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2315 __ BIND(L_insert_arg_space);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2316 // come here in the usual case, stack_move < 0 (2 or more spread arguments)
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	2317 Register rsi_temp = rsi_array; // spill this
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2318 insert_arg_slots(_masm, rdi_stack_move,
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	2319 rax_argslot, rbx_temp, rsi_temp);
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2320 // reload the array since rsi was killed
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2321 // reload from rdx_argslot_limit since rax_argslot is now decremented
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2322 __ movptr(rsi_array, Address(rdx_argslot_limit, -Interpreter::stackElementSize));
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2323 } else if (length_constant >= 1) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2324 int new_slots = (length_constant * elem_slots) - array_slots;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2325 insert_arg_slots(_masm, new_slots * stack_move_unit(),
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	2326 rax_argslot, rbx_temp, rdx_temp);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	2327 } else if (length_constant == 0) {
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2328 __ BIND(L_array_is_empty);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2329 remove_arg_slots(_masm, -stack_move_unit() * array_slots,
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	2330 rax_argslot, rbx_temp, rdx_temp);
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2331 } else {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2332 ShouldNotReachHere();
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	2333 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	2334
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	2335 // Copy from the array to the new slots.
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	2336 // Note: Stack change code preserves integrity of rax_argslot pointer.
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	2337 // So even after slot insertions, rax_argslot still points to first argument.
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2338 // Beware: Arguments that are shallow on the stack are deep in the array,
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2339 // and vice versa. So a downward-growing stack (the usual) has to be copied
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2340 // elementwise in reverse order from the source array.
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2341 __ BIND(L_copy_args);
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	2342 if (length_constant == -1) {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	2343 // [rax_argslot, rdx_argslot_limit) is the area we are inserting into.
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2344 // Array element [0] goes at rdx_argslot_limit[-wordSize].
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	2345 Register rsi_source = rsi_array;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	2346 __ lea(rsi_source, Address(rsi_array, elem0_offset));
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2347 Register rdx_fill_ptr = rdx_argslot_limit;
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	2348 Label loop;
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2349 __ BIND(loop);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2350 __ addptr(rdx_fill_ptr, -Interpreter::stackElementSize * elem_slots);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2351 move_typed_arg(_masm, elem_type, true,
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2352 Address(rdx_fill_ptr, 0), Address(rsi_source, 0),
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2353 rbx_temp, rdi_temp);
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	2354 __ addptr(rsi_source, type2aelembytes(elem_type));
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2355 __ cmpptr(rdx_fill_ptr, rax_argslot);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2356 __ jcc(Assembler::greater, loop);
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	2357 } else if (length_constant == 0) {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	2358 // nothing to copy
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	2359 } else {
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	2360 int elem_offset = elem0_offset;
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2361 int slot_offset = length_constant * Interpreter::stackElementSize;
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	2362 for (int index = 0; index < length_constant; index++) {
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2363 slot_offset -= Interpreter::stackElementSize * elem_slots; // fill backward
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2364 move_typed_arg(_masm, elem_type, true,
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2365 Address(rax_argslot, slot_offset), Address(rsi_array, elem_offset),
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2366 rbx_temp, rdi_temp);
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	2367 elem_offset += type2aelembytes(elem_type);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	2368 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	2369 }
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2370 __ BIND(L_args_done);
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	2371
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	2372 // Arguments are spread. Move to next method handle.
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2373 UNPUSH_RSI;
1846 d55217dc206f 6829194: JSR 292 needs to support compressed oops twisti parents: 1818 diff changeset	2374 __ load_heap_oop(rcx_recv, rcx_mh_vmtarget);
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	2375 __ jump_to_method_handle_entry(rcx_recv, rdx_temp);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	2376
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	2377 __ bind(bad_array_klass);
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2378 UNPUSH_RSI;
2088 8d0b933dda2d 7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot twisti parents: 1972 diff changeset	2379 assert(!vmarg.uses(rarg2_required), "must be different registers");
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2380 __ load_heap_oop( rarg2_required, Address(rdx_array_klass, java_mirror_offset)); // required type
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2381 __ movptr( rarg1_actual, vmarg); // bad array
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2382 __ movl( rarg0_code, (int) Bytecodes::_aaload); // who is complaining?
1039 987e948ebbc8 6815692: method handle code needs some cleanup (post-6655638) jrose parents: 845 diff changeset	2383 __ jump(ExternalAddress(from_interpreted_entry(_raise_exception)));
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	2384
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	2385 __ bind(bad_array_length);
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2386 UNPUSH_RSI;
2088 8d0b933dda2d 7007377: JSR 292 MethodHandlesTest.testCastFailure fails on SPARC with -Xcomp +DeoptimizeALot twisti parents: 1972 diff changeset	2387 assert(!vmarg.uses(rarg2_required), "must be different registers");
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2388 __ mov( rarg2_required, rcx_recv); // AMH requiring a certain length
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2389 __ movptr( rarg1_actual, vmarg); // bad array
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2390 __ movl( rarg0_code, (int) Bytecodes::_arraylength); // who is complaining?
1039 987e948ebbc8 6815692: method handle code needs some cleanup (post-6655638) jrose parents: 845 diff changeset	2391 __ jump(ExternalAddress(from_interpreted_entry(_raise_exception)));
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2392 #undef UNPUSH_RSI
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	2393
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2394 break;
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	2395 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	2396
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2397 default:
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2398 // do not require all platforms to recognize all adapter types
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2399 __ nop();
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	2400 return;
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	2401 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	2402 __ hlt();
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	2403
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	2404 address me_cookie = MethodHandleEntry::start_compiled_entry(_masm, interp_entry);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	2405 __ unimplemented(entry_name(ek)); // %%% FIXME: NYI
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	2406
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	2407 init_entry(ek, MethodHandleEntry::finish_compiled_entry(_masm, me_cookie));
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	2408 }

Mercurial > hg > graal-compiler

annotate src/cpu/x86/vm/methodHandles_x86.cpp @ 3363:167b70ff3abc