truffle: src/cpu/x86/vm/methodHandles

annotate src/cpu/x86/vm/methodHandles_x86.cpp @ 6725:da91efe96a93

6964458: Reimplement class meta-data storage to use native memory Summary: Remove PermGen, allocate meta-data in metaspace linked to class loaders, rewrite GC walking, rewrite and rename metadata to be C++ classes Reviewed-by: jmasa, stefank, never, coleenp, kvn, brutisso, mgerdin, dholmes, jrose, twisti, roland Contributed-by: jmasa <jon.masamitsu@oracle.com>, stefank <stefan.karlsson@oracle.com>, mgerdin <mikael.gerdin@oracle.com>, never <tom.rodriguez@oracle.com>

author	coleenp
date	Sat, 01 Sep 2012 13:25:18 -0400
parents	1d7922586cf6
children	75f33eecc1b3

rev	line source
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	1 /*
4818 82e5a84b7436 7120450: complete information dumped by frame_describe bdelsart parents: 4807 diff changeset	2 * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	4 *
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	5 * This code is free software; you can redistribute it and/or modify it
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	6 * under the terms of the GNU General Public License version 2 only, as
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	7 * published by the Free Software Foundation.
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	8 *
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	9 * This code is distributed in the hope that it will be useful, but WITHOUT
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	12 * version 2 for more details (a copy is included in the LICENSE file that
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	13 * accompanied this code).
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	14 *
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	15 * You should have received a copy of the GNU General Public License version
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	16 * 2 along with this work; if not, write to the Free Software Foundation,
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	18 *
1552 c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories trims parents: 1507 diff changeset	19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories trims parents: 1507 diff changeset	20 * or visit www.oracle.com if you need additional information or have any
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories trims parents: 1507 diff changeset	21 * questions.
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	22 *
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	23 */
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	24
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 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"
3755 5cf771a79037 7047697: MethodHandle.invokeExact call for wrong method causes VM failure if run with -Xcomp jrose parents: 3753 diff changeset	27 #include "interpreter/interpreterRuntime.hpp"
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1872 diff changeset	28 #include "memory/allocation.inline.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1872 diff changeset	29 #include "prims/methodHandles.hpp"
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	30
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	31 #define __ _masm->
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	32
1793 d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	33 #ifdef PRODUCT
d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	34 #define BLOCK_COMMENT(str) /* nothing */
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	35 #define STOP(error) stop(error)
1793 d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	36 #else
d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	37 #define BLOCK_COMMENT(str) __ block_comment(str)
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	38 #define STOP(error) block_comment(error); __ stop(error)
1793 d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	39 #endif
d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	40
d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	41 #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	42
3755 5cf771a79037 7047697: MethodHandle.invokeExact call for wrong method causes VM failure if run with -Xcomp jrose parents: 3753 diff changeset	43 // Workaround for C++ overloading nastiness on '0' for RegisterOrConstant.
5cf771a79037 7047697: MethodHandle.invokeExact call for wrong method causes VM failure if run with -Xcomp jrose parents: 3753 diff changeset	44 static RegisterOrConstant constant(int value) {
5cf771a79037 7047697: MethodHandle.invokeExact call for wrong method causes VM failure if run with -Xcomp jrose parents: 3753 diff changeset	45 return RegisterOrConstant(value);
5cf771a79037 7047697: MethodHandle.invokeExact call for wrong method causes VM failure if run with -Xcomp jrose parents: 3753 diff changeset	46 }
5cf771a79037 7047697: MethodHandle.invokeExact call for wrong method causes VM failure if run with -Xcomp jrose parents: 3753 diff changeset	47
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	48 void MethodHandles::load_klass_from_Class(MacroAssembler* _masm, Register klass_reg) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	49 if (VerifyMethodHandles)
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	50 verify_klass(_masm, klass_reg, SystemDictionary::WK_KLASS_ENUM_NAME(java_lang_Class),
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	51 "MH argument is a Class");
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	52 __ movptr(klass_reg, Address(klass_reg, java_lang_Class::klass_offset_in_bytes()));
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	53 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	54
3388 a80577f854f9 7045513: JSR 292 inlining causes crashes in methodHandleWalk.cpp never parents: 3371 diff changeset	55 #ifdef ASSERT
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	56 static int check_nonzero(const char* xname, int x) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	57 assert(x != 0, err_msg("%s should be nonzero", xname));
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	58 return x;
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	59 }
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	60 #define NONZERO(x) check_nonzero(#x, x)
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	61 #else //ASSERT
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	62 #define NONZERO(x) (x)
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	63 #endif //ASSERT
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	64
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	65 #ifdef ASSERT
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	66 void MethodHandles::verify_klass(MacroAssembler* _masm,
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	67 Register obj, SystemDictionary::WKID klass_id,
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	68 const char* error_message) {
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	69 Klass** klass_addr = SystemDictionary::well_known_klass_addr(klass_id);
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	70 KlassHandle klass = SystemDictionary::well_known_klass(klass_id);
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	71 Register temp = rdi;
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	72 Register temp2 = noreg;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	73 LP64_ONLY(temp2 = rscratch1); // used by MacroAssembler::cmpptr
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	74 Label L_ok, L_bad;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	75 BLOCK_COMMENT("verify_klass {");
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	76 __ verify_oop(obj);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	77 __ testptr(obj, obj);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	78 __ jcc(Assembler::zero, L_bad);
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	79 __ push(temp); if (temp2 != noreg) __ push(temp2);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	80 #define UNPUSH { if (temp2 != noreg) __ pop(temp2); __ pop(temp); }
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	81 __ load_klass(temp, obj);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	82 __ cmpptr(temp, ExternalAddress((address) klass_addr));
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	83 __ jcc(Assembler::equal, L_ok);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	84 intptr_t super_check_offset = klass->super_check_offset();
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	85 __ movptr(temp, Address(temp, super_check_offset));
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	86 __ cmpptr(temp, ExternalAddress((address) klass_addr));
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	87 __ jcc(Assembler::equal, L_ok);
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	88 UNPUSH;
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	89 __ bind(L_bad);
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	90 __ STOP(error_message);
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	91 __ BIND(L_ok);
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	92 UNPUSH;
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	93 BLOCK_COMMENT("} verify_klass");
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	94 }
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	95
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	96 void MethodHandles::verify_ref_kind(MacroAssembler* _masm, int ref_kind, Register member_reg, Register temp) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	97 Label L;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	98 BLOCK_COMMENT("verify_ref_kind {");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	99 __ movl(temp, Address(member_reg, NONZERO(java_lang_invoke_MemberName::flags_offset_in_bytes())));
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	100 __ shrl(temp, java_lang_invoke_MemberName::MN_REFERENCE_KIND_SHIFT);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	101 __ andl(temp, java_lang_invoke_MemberName::MN_REFERENCE_KIND_MASK);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	102 __ cmpl(temp, ref_kind);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	103 __ jcc(Assembler::equal, L);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	104 { char* buf = NEW_C_HEAP_ARRAY(char, 100, mtInternal);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	105 jio_snprintf(buf, 100, "verify_ref_kind expected %x", ref_kind);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	106 if (ref_kind == JVM_REF_invokeVirtual \|\|
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	107 ref_kind == JVM_REF_invokeSpecial)
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	108 // could do this for all ref_kinds, but would explode assembly code size
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	109 trace_method_handle(_masm, buf);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	110 __ STOP(buf);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	111 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	112 BLOCK_COMMENT("} verify_ref_kind");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	113 __ bind(L);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	114 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	115
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	116 #endif //ASSERT
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	117
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	118 void MethodHandles::jump_from_method_handle(MacroAssembler* _masm, Register method, Register temp,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	119 bool for_compiler_entry) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	120 assert(method == rbx, "interpreter calling convention");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	121 __ verify_oop(method);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	122
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	123 if (!for_compiler_entry && JvmtiExport::can_post_interpreter_events()) {
3808 341a57af9b0a 6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods never parents: 3781 diff changeset	124 Label run_compiled_code;
341a57af9b0a 6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods never parents: 3781 diff changeset	125 // JVMTI events, such as single-stepping, are implemented partly by avoiding running
341a57af9b0a 6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods never parents: 3781 diff changeset	126 // compiled code in threads for which the event is enabled. Check here for
341a57af9b0a 6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods never parents: 3781 diff changeset	127 // interp_only_mode if these events CAN be enabled.
341a57af9b0a 6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods never parents: 3781 diff changeset	128 #ifdef _LP64
341a57af9b0a 6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods never parents: 3781 diff changeset	129 Register rthread = r15_thread;
341a57af9b0a 6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods never parents: 3781 diff changeset	130 #else
341a57af9b0a 6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods never parents: 3781 diff changeset	131 Register rthread = temp;
341a57af9b0a 6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods never parents: 3781 diff changeset	132 __ get_thread(rthread);
341a57af9b0a 6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods never parents: 3781 diff changeset	133 #endif
341a57af9b0a 6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods never parents: 3781 diff changeset	134 // interp_only is an int, on little endian it is sufficient to test the byte only
341a57af9b0a 6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods never parents: 3781 diff changeset	135 // Is a cmpl faster?
341a57af9b0a 6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods never parents: 3781 diff changeset	136 __ cmpb(Address(rthread, JavaThread::interp_only_mode_offset()), 0);
341a57af9b0a 6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods never parents: 3781 diff changeset	137 __ jccb(Assembler::zero, run_compiled_code);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	138 __ jmp(Address(method, Method::interpreter_entry_offset()));
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	139 __ BIND(run_compiled_code);
3808 341a57af9b0a 6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods never parents: 3781 diff changeset	140 }
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	141
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	142 const ByteSize entry_offset = for_compiler_entry ? Method::from_compiled_offset() :
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	143 Method::from_interpreted_offset();
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	144 __ jmp(Address(method, entry_offset));
3808 341a57af9b0a 6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods never parents: 3781 diff changeset	145 }
341a57af9b0a 6990212: JSR 292 JVMTI MethodEnter hook is not called for JSR 292 bootstrap and target methods never parents: 3781 diff changeset	146
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	147 void MethodHandles::jump_to_lambda_form(MacroAssembler* _masm,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	148 Register recv, Register method_temp,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	149 Register temp2,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	150 bool for_compiler_entry) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	151 BLOCK_COMMENT("jump_to_lambda_form {");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	152 // This is the initial entry point of a lazy method handle.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	153 // After type checking, it picks up the invoker from the LambdaForm.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	154 assert_different_registers(recv, method_temp, temp2);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	155 assert(recv != noreg, "required register");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	156 assert(method_temp == rbx, "required register for loading method");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	157
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	158 //NOT_PRODUCT({ FlagSetting fs(TraceMethodHandles, true); trace_method_handle(_masm, "LZMH"); });
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	159
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	160 // Load the invoker, as MH -> MH.form -> LF.vmentry
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	161 __ verify_oop(recv);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	162 __ load_heap_oop(method_temp, Address(recv, NONZERO(java_lang_invoke_MethodHandle::form_offset_in_bytes())));
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	163 __ verify_oop(method_temp);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	164 __ load_heap_oop(method_temp, Address(method_temp, NONZERO(java_lang_invoke_LambdaForm::vmentry_offset_in_bytes())));
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	165 __ verify_oop(method_temp);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	166 // the following assumes that a Method* is normally compressed in the vmtarget field:
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	167 __ movptr(method_temp, Address(method_temp, NONZERO(java_lang_invoke_MemberName::vmtarget_offset_in_bytes())));
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	168
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	169 if (VerifyMethodHandles && !for_compiler_entry) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	170 // make sure recv is already on stack
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	171 __ load_sized_value(temp2,
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	172 Address(method_temp, Method::size_of_parameters_offset()),
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	173 sizeof(u2), /is_signed/ false);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	174 // assert(sizeof(u2) == sizeof(Method::_size_of_parameters), "");
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	175 Label L;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	176 __ cmpptr(recv, __ argument_address(temp2, -1));
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	177 __ jcc(Assembler::equal, L);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	178 __ movptr(rax, __ argument_address(temp2, -1));
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	179 __ STOP("receiver not on stack");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	180 __ BIND(L);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	181 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	182
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	183 jump_from_method_handle(_masm, method_temp, temp2, for_compiler_entry);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	184 BLOCK_COMMENT("} jump_to_lambda_form");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	185 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	186
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	187
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	188 // Code generation
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	189 address MethodHandles::generate_method_handle_interpreter_entry(MacroAssembler* _masm,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	190 vmIntrinsics::ID iid) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	191 const bool not_for_compiler_entry = false; // this is the interpreter entry
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	192 assert(is_signature_polymorphic(iid), "expected invoke iid");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	193 if (iid == vmIntrinsics::_invokeGeneric \|\|
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	194 iid == vmIntrinsics::_compiledLambdaForm) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	195 // Perhaps surprisingly, the symbolic references visible to Java are not directly used.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	196 // They are linked to Java-generated adapters via MethodHandleNatives.linkMethod.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	197 // They all allow an appendix argument.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	198 __ hlt(); // empty stubs make SG sick
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	199 return NULL;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	200 }
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	201
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	202 // rsi/r13: sender SP (must preserve; see prepare_to_jump_from_interpreted)
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	203 // rbx: Method*
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	204 // rdx: argument locator (parameter slot count, added to rsp)
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	205 // rcx: used as temp to hold mh or receiver
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	206 // rax, rdi: garbage temps, blown away
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	207 Register rdx_argp = rdx; // argument list ptr, live on error paths
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	208 Register rax_temp = rax;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	209 Register rcx_mh = rcx; // MH receiver; dies quickly and is recycled
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	210 Register rbx_method = rbx; // eventual target of this invocation
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	211
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	212 address code_start = __ pc();
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	213
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	214 // here's where control starts out:
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	215 __ align(CodeEntryAlignment);
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	216 address entry_point = __ pc();
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	217
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	218 if (VerifyMethodHandles) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	219 Label L;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	220 BLOCK_COMMENT("verify_intrinsic_id {");
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	221 __ cmpb(Address(rbx_method, Method::intrinsic_id_offset_in_bytes()), (int) iid);
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	222 __ jcc(Assembler::equal, L);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	223 if (iid == vmIntrinsics::_linkToVirtual \|\|
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	224 iid == vmIntrinsics::_linkToSpecial) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	225 // could do this for all kinds, but would explode assembly code size
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	226 trace_method_handle(_masm, "bad Method*::intrinsic_id");
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	227 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	228 __ STOP("bad Method*::intrinsic_id");
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	229 __ bind(L);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	230 BLOCK_COMMENT("} verify_intrinsic_id");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	231 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	232
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	233 // First task: Find out how big the argument list is.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	234 Address rdx_first_arg_addr;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	235 int ref_kind = signature_polymorphic_intrinsic_ref_kind(iid);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	236 assert(ref_kind != 0 \|\| iid == vmIntrinsics::_invokeBasic, "must be _invokeBasic or a linkTo intrinsic");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	237 if (ref_kind == 0 \|\| MethodHandles::ref_kind_has_receiver(ref_kind)) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	238 __ load_sized_value(rdx_argp,
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	239 Address(rbx_method, Method::size_of_parameters_offset()),
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	240 sizeof(u2), /is_signed/ false);
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	241 // assert(sizeof(u2) == sizeof(Method::_size_of_parameters), "");
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	242 rdx_first_arg_addr = __ argument_address(rdx_argp, -1);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	243 } else {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	244 DEBUG_ONLY(rdx_argp = noreg);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	245 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	246
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	247 if (!is_signature_polymorphic_static(iid)) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	248 __ movptr(rcx_mh, rdx_first_arg_addr);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	249 DEBUG_ONLY(rdx_argp = noreg);
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	250 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	251
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	252 // rdx_first_arg_addr is live!
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	253
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	254 if (TraceMethodHandles) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	255 const char* name = vmIntrinsics::name_at(iid);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	256 if (*name == '_') name += 1;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	257 const size_t len = strlen(name) + 50;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	258 char* qname = NEW_C_HEAP_ARRAY(char, len, mtInternal);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	259 const char* suffix = "";
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	260 if (vmIntrinsics::method_for(iid) == NULL \|\|
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	261 !vmIntrinsics::method_for(iid)->access_flags().is_public()) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	262 if (is_signature_polymorphic_static(iid))
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	263 suffix = "/static";
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	264 else
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	265 suffix = "/private";
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	266 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	267 jio_snprintf(qname, len, "MethodHandle::interpreter_entry::%s%s", name, suffix);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	268 // note: stub look for mh in rcx
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	269 trace_method_handle(_masm, qname);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	270 }
1793 d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	271
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	272 if (iid == vmIntrinsics::_invokeBasic) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	273 generate_method_handle_dispatch(_masm, iid, rcx_mh, noreg, not_for_compiler_entry);
3755 5cf771a79037 7047697: MethodHandle.invokeExact call for wrong method causes VM failure if run with -Xcomp jrose parents: 3753 diff changeset	274
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	275 } else {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	276 // Adjust argument list by popping the trailing MemberName argument.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	277 Register rcx_recv = noreg;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	278 if (MethodHandles::ref_kind_has_receiver(ref_kind)) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	279 // Load the receiver (not the MH; the actual MemberName's receiver) up from the interpreter stack.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	280 __ movptr(rcx_recv = rcx, rdx_first_arg_addr);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	281 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	282 DEBUG_ONLY(rdx_argp = noreg);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	283 Register rbx_member = rbx_method; // MemberName ptr; incoming method ptr is dead now
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	284 __ pop(rax_temp); // return address
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	285 __ pop(rbx_member); // extract last argument
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	286 __ push(rax_temp); // re-push return address
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	287 generate_method_handle_dispatch(_masm, iid, rcx_recv, rbx_member, not_for_compiler_entry);
1793 d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	288 }
d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	289
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	290 if (PrintMethodHandleStubs) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	291 address code_end = __ pc();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	292 tty->print_cr("--------");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	293 tty->print_cr("method handle interpreter entry for %s", vmIntrinsics::name_at(iid));
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	294 Disassembler::decode(code_start, code_end);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	295 tty->cr();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	296 }
1793 d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	297
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	298 return entry_point;
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	299 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	300
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	301 void MethodHandles::generate_method_handle_dispatch(MacroAssembler* _masm,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	302 vmIntrinsics::ID iid,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	303 Register receiver_reg,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	304 Register member_reg,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	305 bool for_compiler_entry) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	306 assert(is_signature_polymorphic(iid), "expected invoke iid");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	307 Register rbx_method = rbx; // eventual target of this invocation
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	308 // temps used in this code are not used in either compiled or interpreted calling sequences
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	309 #ifdef _LP64
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	310 Register temp1 = rscratch1;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	311 Register temp2 = rscratch2;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	312 Register temp3 = rax;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	313 if (for_compiler_entry) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	314 assert(receiver_reg == (iid == vmIntrinsics::_linkToStatic ? noreg : j_rarg0), "only valid assignment");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	315 assert_different_registers(temp1, j_rarg0, j_rarg1, j_rarg2, j_rarg3, j_rarg4, j_rarg5);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	316 assert_different_registers(temp2, j_rarg0, j_rarg1, j_rarg2, j_rarg3, j_rarg4, j_rarg5);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	317 assert_different_registers(temp3, j_rarg0, j_rarg1, j_rarg2, j_rarg3, j_rarg4, j_rarg5);
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	318 }
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	319 #else
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	320 Register temp1 = (for_compiler_entry ? rsi : rdx);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	321 Register temp2 = rdi;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	322 Register temp3 = rax;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	323 if (for_compiler_entry) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	324 assert(receiver_reg == (iid == vmIntrinsics::_linkToStatic ? noreg : rcx), "only valid assignment");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	325 assert_different_registers(temp1, rcx, rdx);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	326 assert_different_registers(temp2, rcx, rdx);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	327 assert_different_registers(temp3, rcx, rdx);
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	328 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	329 #endif
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	330 assert_different_registers(temp1, temp2, temp3, receiver_reg);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	331 assert_different_registers(temp1, temp2, temp3, member_reg);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	332 if (!for_compiler_entry)
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	333 assert_different_registers(temp1, temp2, temp3, saved_last_sp_register()); // don't trash lastSP
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	334
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	335 if (iid == vmIntrinsics::_invokeBasic) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	336 // indirect through MH.form.vmentry.vmtarget
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	337 jump_to_lambda_form(_masm, receiver_reg, rbx_method, temp1, for_compiler_entry);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	338
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	339 } else {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	340 // The method is a member invoker used by direct method handles.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	341 if (VerifyMethodHandles) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	342 // make sure the trailing argument really is a MemberName (caller responsibility)
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	343 verify_klass(_masm, member_reg, SystemDictionary::WK_KLASS_ENUM_NAME(java_lang_invoke_MemberName),
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	344 "MemberName required for invokeVirtual etc.");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	345 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	346
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	347 Address member_clazz( member_reg, NONZERO(java_lang_invoke_MemberName::clazz_offset_in_bytes()));
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	348 Address member_vmindex( member_reg, NONZERO(java_lang_invoke_MemberName::vmindex_offset_in_bytes()));
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	349 Address member_vmtarget( member_reg, NONZERO(java_lang_invoke_MemberName::vmtarget_offset_in_bytes()));
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	350
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	351 Register temp1_recv_klass = temp1;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	352 if (iid != vmIntrinsics::_linkToStatic) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	353 __ verify_oop(receiver_reg);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	354 if (iid == vmIntrinsics::_linkToSpecial) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	355 // Don't actually load the klass; just null-check the receiver.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	356 __ null_check(receiver_reg);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	357 } else {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	358 // load receiver klass itself
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	359 __ null_check(receiver_reg, oopDesc::klass_offset_in_bytes());
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	360 __ load_klass(temp1_recv_klass, receiver_reg);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	361 __ verify_oop(temp1_recv_klass);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	362 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	363 BLOCK_COMMENT("check_receiver {");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	364 // The receiver for the MemberName must be in receiver_reg.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	365 // Check the receiver against the MemberName.clazz
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	366 if (VerifyMethodHandles && iid == vmIntrinsics::_linkToSpecial) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	367 // Did not load it above...
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	368 __ load_klass(temp1_recv_klass, receiver_reg);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	369 __ verify_oop(temp1_recv_klass);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	370 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	371 if (VerifyMethodHandles && iid != vmIntrinsics::_linkToInterface) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	372 Label L_ok;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	373 Register temp2_defc = temp2;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	374 __ load_heap_oop(temp2_defc, member_clazz);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	375 load_klass_from_Class(_masm, temp2_defc);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	376 __ verify_oop(temp2_defc);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	377 __ check_klass_subtype(temp1_recv_klass, temp2_defc, temp3, L_ok);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	378 // If we get here, the type check failed!
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	379 __ STOP("receiver class disagrees with MemberName.clazz");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	380 __ bind(L_ok);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	381 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	382 BLOCK_COMMENT("} check_receiver");
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	383 }
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	384 if (iid == vmIntrinsics::_linkToSpecial \|\|
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	385 iid == vmIntrinsics::_linkToStatic) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	386 DEBUG_ONLY(temp1_recv_klass = noreg); // these guys didn't load the recv_klass
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	387 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	388
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	389 // Live registers at this point:
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	390 // member_reg - MemberName that was the trailing argument
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	391 // temp1_recv_klass - klass of stacked receiver, if needed
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	392 // rsi/r13 - interpreter linkage (if interpreted)
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	393 // rcx, rdx, rsi, rdi, r8, r8 - compiler arguments (if compiled)
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	394
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	395 bool method_is_live = false;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	396 switch (iid) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	397 case vmIntrinsics::_linkToSpecial:
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	398 if (VerifyMethodHandles) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	399 verify_ref_kind(_masm, JVM_REF_invokeSpecial, member_reg, temp3);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	400 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	401 __ movptr(rbx_method, member_vmtarget);
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	402 method_is_live = true;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	403 break;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	404
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	405 case vmIntrinsics::_linkToStatic:
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	406 if (VerifyMethodHandles) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	407 verify_ref_kind(_masm, JVM_REF_invokeStatic, member_reg, temp3);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	408 }
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	409 __ movptr(rbx_method, member_vmtarget);
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	410 method_is_live = true;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	411 break;
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	412
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	413 case vmIntrinsics::_linkToVirtual:
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	414 {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	415 // same as TemplateTable::invokevirtual,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	416 // minus the CP setup and profiling:
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	417
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	418 if (VerifyMethodHandles) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	419 verify_ref_kind(_masm, JVM_REF_invokeVirtual, member_reg, temp3);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	420 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	421
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	422 // pick out the vtable index from the MemberName, and then we can discard it:
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	423 Register temp2_index = temp2;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	424 __ movptr(temp2_index, member_vmindex);
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	425
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	426 if (VerifyMethodHandles) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	427 Label L_index_ok;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	428 __ cmpl(temp2_index, 0);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	429 __ jcc(Assembler::greaterEqual, L_index_ok);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	430 __ STOP("no virtual index");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	431 __ BIND(L_index_ok);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	432 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	433
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	434 // Note: The verifier invariants allow us to ignore MemberName.clazz and vmtarget
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	435 // at this point. And VerifyMethodHandles has already checked clazz, if needed.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	436
6725 da91efe96a93 6964458: Reimplement class meta-data storage to use native memory coleenp parents: 6266 diff changeset	437 // get target Method* & entry point
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	438 __ lookup_virtual_method(temp1_recv_klass, temp2_index, rbx_method);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	439 method_is_live = true;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	440 break;
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	441 }
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	442
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	443 case vmIntrinsics::_linkToInterface:
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	444 {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	445 // same as TemplateTable::invokeinterface
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	446 // (minus the CP setup and profiling, with different argument motion)
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	447 if (VerifyMethodHandles) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	448 verify_ref_kind(_masm, JVM_REF_invokeInterface, member_reg, temp3);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	449 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	450
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	451 Register temp3_intf = temp3;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	452 __ load_heap_oop(temp3_intf, member_clazz);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	453 load_klass_from_Class(_masm, temp3_intf);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	454 __ verify_oop(temp3_intf);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	455
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	456 Register rbx_index = rbx_method;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	457 __ movptr(rbx_index, member_vmindex);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	458 if (VerifyMethodHandles) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	459 Label L;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	460 __ cmpl(rbx_index, 0);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	461 __ jcc(Assembler::greaterEqual, L);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	462 __ STOP("invalid vtable index for MH.invokeInterface");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	463 __ bind(L);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	464 }
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	465
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	466 // given intf, index, and recv klass, dispatch to the implementation method
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	467 Label L_no_such_interface;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	468 __ lookup_interface_method(temp1_recv_klass, temp3_intf,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	469 // note: next two args must be the same:
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	470 rbx_index, rbx_method,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	471 temp2,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	472 L_no_such_interface);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	473
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	474 __ verify_oop(rbx_method);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	475 jump_from_method_handle(_masm, rbx_method, temp2, for_compiler_entry);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	476 __ hlt();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	477
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	478 __ bind(L_no_such_interface);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	479 __ jump(RuntimeAddress(StubRoutines::throw_IncompatibleClassChangeError_entry()));
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	480 break;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	481 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	482
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	483 default:
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	484 fatal(err_msg("unexpected intrinsic %d: %s", iid, vmIntrinsics::name_at(iid)));
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	485 break;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	486 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	487
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	488 if (method_is_live) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	489 // live at this point: rbx_method, rsi/r13 (if interpreted)
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	490
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	491 // After figuring out which concrete method to call, jump into it.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	492 // Note that this works in the interpreter with no data motion.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	493 // But the compiled version will require that rcx_recv be shifted out.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	494 __ verify_oop(rbx_method);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	495 jump_from_method_handle(_masm, rbx_method, temp1, for_compiler_entry);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	496 }
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	497 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	498 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	499
4824 5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	500 #ifndef PRODUCT
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	501 void trace_method_handle_stub(const char* adaptername,
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	502 oop mh,
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	503 intptr_t* saved_regs,
4939 45a1bf98f1bb 7141329: Strange values of stack_size in -XX:+TraceMethodHandles output twisti parents: 4874 diff changeset	504 intptr_t* entry_sp) {
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	505 // called as a leaf from native code: do not block the JVM!
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	506 bool has_mh = (strstr(adaptername, "/static") == NULL &&
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	507 strstr(adaptername, "linkTo") == NULL); // static linkers don't have MH
4939 45a1bf98f1bb 7141329: Strange values of stack_size in -XX:+TraceMethodHandles output twisti parents: 4874 diff changeset	508 const char* mh_reg_name = has_mh ? "rcx_mh" : "rcx";
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	509 tty->print_cr("MH %s %s="PTR_FORMAT" sp="PTR_FORMAT,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	510 adaptername, mh_reg_name,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	511 mh, entry_sp);
4824 5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	512
1793 d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	513 if (Verbose) {
4939 45a1bf98f1bb 7141329: Strange values of stack_size in -XX:+TraceMethodHandles output twisti parents: 4874 diff changeset	514 tty->print_cr("Registers:");
45a1bf98f1bb 7141329: Strange values of stack_size in -XX:+TraceMethodHandles output twisti parents: 4874 diff changeset	515 const int saved_regs_count = RegisterImpl::number_of_registers;
45a1bf98f1bb 7141329: Strange values of stack_size in -XX:+TraceMethodHandles output twisti parents: 4874 diff changeset	516 for (int i = 0; i < saved_regs_count; i++) {
45a1bf98f1bb 7141329: Strange values of stack_size in -XX:+TraceMethodHandles output twisti parents: 4874 diff changeset	517 Register r = as_Register(i);
45a1bf98f1bb 7141329: Strange values of stack_size in -XX:+TraceMethodHandles output twisti parents: 4874 diff changeset	518 // The registers are stored in reverse order on the stack (by pusha).
45a1bf98f1bb 7141329: Strange values of stack_size in -XX:+TraceMethodHandles output twisti parents: 4874 diff changeset	519 tty->print("%3s=" PTR_FORMAT, r->name(), saved_regs[((saved_regs_count - 1) - i)]);
45a1bf98f1bb 7141329: Strange values of stack_size in -XX:+TraceMethodHandles output twisti parents: 4874 diff changeset	520 if ((i + 1) % 4 == 0) {
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	521 tty->cr();
4939 45a1bf98f1bb 7141329: Strange values of stack_size in -XX:+TraceMethodHandles output twisti parents: 4874 diff changeset	522 } else {
45a1bf98f1bb 7141329: Strange values of stack_size in -XX:+TraceMethodHandles output twisti parents: 4874 diff changeset	523 tty->print(", ");
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	524 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	525 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	526 tty->cr();
4824 5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	527
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	528 {
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	529 // dumping last frame with frame::describe
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	530
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	531 JavaThread* p = JavaThread::active();
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	532
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	533 ResourceMark rm;
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	534 PRESERVE_EXCEPTION_MARK; // may not be needed by safer and unexpensive here
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	535 FrameValues values;
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	536
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	537 // Note: We want to allow trace_method_handle from any call site.
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	538 // While trace_method_handle creates a frame, it may be entered
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	539 // without a PC on the stack top (e.g. not just after a call).
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	540 // Walking that frame could lead to failures due to that invalid PC.
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	541 // => carefully detect that frame when doing the stack walking
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	542
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	543 // Current C frame
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	544 frame cur_frame = os::current_frame();
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	545
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	546 // Robust search of trace_calling_frame (independant of inlining).
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	547 // Assumes saved_regs comes from a pusha in the trace_calling_frame.
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	548 assert(cur_frame.sp() < saved_regs, "registers not saved on stack ?");
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	549 frame trace_calling_frame = os::get_sender_for_C_frame(&cur_frame);
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	550 while (trace_calling_frame.fp() < saved_regs) {
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	551 trace_calling_frame = os::get_sender_for_C_frame(&trace_calling_frame);
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	552 }
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	553
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	554 // safely create a frame and call frame::describe
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	555 intptr_t *dump_sp = trace_calling_frame.sender_sp();
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	556 intptr_t *dump_fp = trace_calling_frame.link();
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	557
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	558 bool walkable = has_mh; // whether the traced frame shoud be walkable
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	559
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	560 if (walkable) {
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	561 // The previous definition of walkable may have to be refined
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	562 // if new call sites cause the next frame constructor to start
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	563 // failing. Alternatively, frame constructors could be
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	564 // modified to support the current or future non walkable
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	565 // frames (but this is more intrusive and is not considered as
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	566 // part of this RFE, which will instead use a simpler output).
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	567 frame dump_frame = frame(dump_sp, dump_fp);
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	568 dump_frame.describe(values, 1);
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	569 } else {
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	570 // Stack may not be walkable (invalid PC above FP):
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	571 // Add descriptions without building a Java frame to avoid issues
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	572 values.describe(-1, dump_fp, "fp for #1 <not parsed, cannot trust pc>");
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	573 values.describe(-1, dump_sp, "sp for #1");
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	574 }
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	575 values.describe(-1, entry_sp, "raw top of stack");
4824 5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	576
4939 45a1bf98f1bb 7141329: Strange values of stack_size in -XX:+TraceMethodHandles output twisti parents: 4874 diff changeset	577 tty->print_cr("Stack layout:");
4824 5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	578 values.print(p);
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	579 }
6266 1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	580 if (has_mh && mh->is_oop()) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	581 mh->print();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	582 if (java_lang_invoke_MethodHandle::is_instance(mh)) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	583 if (java_lang_invoke_MethodHandle::form_offset_in_bytes() != 0)
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	584 java_lang_invoke_MethodHandle::form(mh)->print();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	585 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code twisti parents: 4939 diff changeset	586 }
1793 d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	587 }
d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	588 }
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	589
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	590 // 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	591 // dealing with the different calling conventions for passing 6
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	592 // arguments.
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	593 struct MethodHandleStubArguments {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	594 const char* adaptername;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	595 oopDesc* mh;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	596 intptr_t* saved_regs;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	597 intptr_t* entry_sp;
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	598 };
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	599 void trace_method_handle_stub_wrapper(MethodHandleStubArguments* args) {
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	600 trace_method_handle_stub(args->adaptername,
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	601 args->mh,
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	602 args->saved_regs,
4939 45a1bf98f1bb 7141329: Strange values of stack_size in -XX:+TraceMethodHandles output twisti parents: 4874 diff changeset	603 args->entry_sp);
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	604 }
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	605
1793 d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	606 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	607 if (!TraceMethodHandles) return;
d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	608 BLOCK_COMMENT("trace_method_handle {");
4824 5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	609 __ enter();
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	610 __ andptr(rsp, -16); // align stack if needed for FPU state
1793 d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	611 __ pusha();
4824 5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	612 __ mov(rbx, rsp); // for retreiving saved_regs
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	613 // Note: saved_regs must be in the entered frame for the
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	614 // robust stack walking implemented in trace_method_handle_stub.
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	615
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	616 // save FP result, valid at some call sites (adapter_opt_return_float, ...)
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	617 __ increment(rsp, -2 * wordSize);
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	618 if (UseSSE >= 2) {
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	619 __ movdbl(Address(rsp, 0), xmm0);
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	620 } else if (UseSSE == 1) {
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	621 __ movflt(Address(rsp, 0), xmm0);
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	622 } else {
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	623 __ fst_d(Address(rsp, 0));
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	624 }
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	625
4939 45a1bf98f1bb 7141329: Strange values of stack_size in -XX:+TraceMethodHandles output twisti parents: 4874 diff changeset	626 // Incoming state:
3336 2e038ad0c1d0 7009361: JSR 292 Invalid value on stack on solaris-sparc with -Xcomp never parents: 2357 diff changeset	627 // rcx: method handle
4939 45a1bf98f1bb 7141329: Strange values of stack_size in -XX:+TraceMethodHandles output twisti parents: 4874 diff changeset	628 //
45a1bf98f1bb 7141329: Strange values of stack_size in -XX:+TraceMethodHandles output twisti parents: 4874 diff changeset	629 // To avoid calling convention issues, build a record on the stack
45a1bf98f1bb 7141329: Strange values of stack_size in -XX:+TraceMethodHandles output twisti parents: 4874 diff changeset	630 // and pass the pointer to that instead.
4824 5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	631 __ push(rbp); // entry_sp (with extra align space)
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	632 __ push(rbx); // pusha saved_regs
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	633 __ push(rcx); // mh
4824 5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	634 __ push(rcx); // slot for adaptername
3363 167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	635 __ movptr(Address(rsp, 0), (intptr_t) adaptername);
167b70ff3abc 6939861: JVM should handle more conversion operations never parents: 3336 diff changeset	636 __ super_call_VM_leaf(CAST_FROM_FN_PTR(address, trace_method_handle_stub_wrapper), rsp);
4939 45a1bf98f1bb 7141329: Strange values of stack_size in -XX:+TraceMethodHandles output twisti parents: 4874 diff changeset	637 __ increment(rsp, sizeof(MethodHandleStubArguments));
4824 5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	638
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	639 if (UseSSE >= 2) {
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	640 __ movdbl(xmm0, Address(rsp, 0));
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	641 } else if (UseSSE == 1) {
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	642 __ movflt(xmm0, Address(rsp, 0));
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	643 } else {
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	644 __ fld_d(Address(rsp, 0));
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	645 }
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	646 __ increment(rsp, 2 * wordSize);
5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	647
1793 d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	648 __ popa();
4824 5dbed2f542ff 7120468: SPARC/x86: use frame::describe to enhance trace_method_handle bdelsart parents: 4818 diff changeset	649 __ leave();
1793 d257356e35f0 6939224: MethodHandle.invokeGeneric needs to perform the correct set of conversions jrose parents: 1552 diff changeset	650 BLOCK_COMMENT("} trace_method_handle");
710 e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	651 }
e5b0439ef4ae 6655638: dynamic languages need method handles jrose parents: diff changeset	652 #endif //PRODUCT

Mercurial > hg > truffle

annotate src/cpu/x86/vm/methodHandles_x86.cpp @ 6725:da91efe96a93