1659ceec4628056d3c6e7076c850fba1c412cbb8ayangguo@chromium.org// Copyright 2012 the V8 project authors. All rights reserved. 25ec4892aef9cca42940d7d92302abf674365f6b7ager@chromium.org// Redistribution and use in source and binary forms, with or without 35ec4892aef9cca42940d7d92302abf674365f6b7ager@chromium.org// modification, are permitted provided that the following conditions are 45ec4892aef9cca42940d7d92302abf674365f6b7ager@chromium.org// met: 55ec4892aef9cca42940d7d92302abf674365f6b7ager@chromium.org// 65ec4892aef9cca42940d7d92302abf674365f6b7ager@chromium.org// * Redistributions of source code must retain the above copyright 75ec4892aef9cca42940d7d92302abf674365f6b7ager@chromium.org// notice, this list of conditions and the following disclaimer. 85ec4892aef9cca42940d7d92302abf674365f6b7ager@chromium.org// * Redistributions in binary form must reproduce the above 95ec4892aef9cca42940d7d92302abf674365f6b7ager@chromium.org// copyright notice, this list of conditions and the following 105ec4892aef9cca42940d7d92302abf674365f6b7ager@chromium.org// disclaimer in the documentation and/or other materials provided 115ec4892aef9cca42940d7d92302abf674365f6b7ager@chromium.org// with the distribution. 125ec4892aef9cca42940d7d92302abf674365f6b7ager@chromium.org// * Neither the name of Google Inc. nor the names of its 135ec4892aef9cca42940d7d92302abf674365f6b7ager@chromium.org// contributors may be used to endorse or promote products derived 145ec4892aef9cca42940d7d92302abf674365f6b7ager@chromium.org// from this software without specific prior written permission. 155ec4892aef9cca42940d7d92302abf674365f6b7ager@chromium.org// 165ec4892aef9cca42940d7d92302abf674365f6b7ager@chromium.org// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 175ec4892aef9cca42940d7d92302abf674365f6b7ager@chromium.org// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 185ec4892aef9cca42940d7d92302abf674365f6b7ager@chromium.org// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 195ec4892aef9cca42940d7d92302abf674365f6b7ager@chromium.org// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 205ec4892aef9cca42940d7d92302abf674365f6b7ager@chromium.org// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 215ec4892aef9cca42940d7d92302abf674365f6b7ager@chromium.org// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 225ec4892aef9cca42940d7d92302abf674365f6b7ager@chromium.org// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 235ec4892aef9cca42940d7d92302abf674365f6b7ager@chromium.org// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 245ec4892aef9cca42940d7d92302abf674365f6b7ager@chromium.org// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 255ec4892aef9cca42940d7d92302abf674365f6b7ager@chromium.org// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 265ec4892aef9cca42940d7d92302abf674365f6b7ager@chromium.org// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 275ec4892aef9cca42940d7d92302abf674365f6b7ager@chromium.org 289085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org#ifndef V8_X64_FRAMES_X64_H_ 299085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org#define V8_X64_FRAMES_X64_H_ 309085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org 3171affb54842da76b24f0bb3184e9f0960523f89dkasperl@chromium.orgnamespace v8 { 3271affb54842da76b24f0bb3184e9f0960523f89dkasperl@chromium.orgnamespace internal { 339085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org 341b3afd1cab9087ca3c4e585d3da77d374d65c082mstarzinger@chromium.orgconst int kNumRegs = 16; 351b3afd1cab9087ca3c4e585d3da77d374d65c082mstarzinger@chromium.orgconst RegList kJSCallerSaved = 36eadaf2282ee421d7a63a21d71369b029105341ccager@chromium.org 1 << 0 | // rax 37eadaf2282ee421d7a63a21d71369b029105341ccager@chromium.org 1 << 1 | // rcx 38eadaf2282ee421d7a63a21d71369b029105341ccager@chromium.org 1 << 2 | // rdx 39eadaf2282ee421d7a63a21d71369b029105341ccager@chromium.org 1 << 3 | // rbx - used as a caller-saved register in JavaScript code 40eadaf2282ee421d7a63a21d71369b029105341ccager@chromium.org 1 << 7; // rdi - callee function 41eadaf2282ee421d7a63a21d71369b029105341ccager@chromium.org 421b3afd1cab9087ca3c4e585d3da77d374d65c082mstarzinger@chromium.orgconst int kNumJSCallerSaved = 5; 43eadaf2282ee421d7a63a21d71369b029105341ccager@chromium.org 449085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.orgtypedef Object* JSCallerSavedBuffer[kNumJSCallerSaved]; 459085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org 46a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org// Number of registers for which space is reserved in safepoints. 471b3afd1cab9087ca3c4e585d3da77d374d65c082mstarzinger@chromium.orgconst int kNumSafepointRegisters = 16; 48a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org 49a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org// ---------------------------------------------------- 50a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org 519085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.orgclass EntryFrameConstants : public AllStatic { 529085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org public: 5369ea3965ef6e0d3f020a402cf7e6b96b9cb651aekmillikin@chromium.org#ifdef _WIN64 54b228be01a466e0ba4d8389148671d196b2081f76mstarzinger@chromium.org static const int kCalleeSaveXMMRegisters = 10; 55b228be01a466e0ba4d8389148671d196b2081f76mstarzinger@chromium.org static const int kXMMRegisterSize = 16; 56b228be01a466e0ba4d8389148671d196b2081f76mstarzinger@chromium.org static const int kXMMRegistersBlockSize = 57b228be01a466e0ba4d8389148671d196b2081f76mstarzinger@chromium.org kXMMRegisterSize * kCalleeSaveXMMRegisters; 58b228be01a466e0ba4d8389148671d196b2081f76mstarzinger@chromium.org static const int kCallerFPOffset = 59b228be01a466e0ba4d8389148671d196b2081f76mstarzinger@chromium.org -10 * kPointerSize - kXMMRegistersBlockSize; 6069ea3965ef6e0d3f020a402cf7e6b96b9cb651aekmillikin@chromium.org#else 6169ea3965ef6e0d3f020a402cf7e6b96b9cb651aekmillikin@chromium.org static const int kCallerFPOffset = -8 * kPointerSize; 6269ea3965ef6e0d3f020a402cf7e6b96b9cb651aekmillikin@chromium.org#endif 6318ad94b919217ffbcd2d3159eeb5f8c588761c47ager@chromium.org static const int kArgvOffset = 6 * kPointerSize; 649085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org}; 659085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org 669085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org 679085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.orgclass ExitFrameConstants : public AllStatic { 689085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org public: 69c4c927273ae2b690c4a015b4640a2a469c9a1a69ager@chromium.org static const int kCodeOffset = -2 * kPointerSize; 709085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org static const int kSPOffset = -1 * kPointerSize; 719085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org 72eadaf2282ee421d7a63a21d71369b029105341ccager@chromium.org static const int kCallerFPOffset = +0 * kPointerSize; 73d8a3a149cb9dac7437e264a2fe50f680418c3a45jkummerow@chromium.org static const int kCallerPCOffset = kFPOnStackSize; 749085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org 75eadaf2282ee421d7a63a21d71369b029105341ccager@chromium.org // FP-relative displacement of the caller's SP. It points just 76eadaf2282ee421d7a63a21d71369b029105341ccager@chromium.org // below the saved PC. 77d8a3a149cb9dac7437e264a2fe50f680418c3a45jkummerow@chromium.org static const int kCallerSPDisplacement = kCallerPCOffset + kPCOnStackSize; 789085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org}; 799085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org 809085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org 819085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.orgclass JavaScriptFrameConstants : public AllStatic { 829085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org public: 8318ad94b919217ffbcd2d3159eeb5f8c588761c47ager@chromium.org // FP-relative. 849085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org static const int kLocal0Offset = StandardFrameConstants::kExpressionsOffset; 85d8a3a149cb9dac7437e264a2fe50f680418c3a45jkummerow@chromium.org static const int kLastParameterOffset = kFPOnStackSize + kPCOnStackSize; 869085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org static const int kFunctionOffset = StandardFrameConstants::kMarkerOffset; 879085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org 8818ad94b919217ffbcd2d3159eeb5f8c588761c47ager@chromium.org // Caller SP-relative. 89eadaf2282ee421d7a63a21d71369b029105341ccager@chromium.org static const int kParam0Offset = -2 * kPointerSize; 909085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org static const int kReceiverOffset = -1 * kPointerSize; 919085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org}; 929085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org 939085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org 949085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.orgclass ArgumentsAdaptorFrameConstants : public AllStatic { 959085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org public: 96750145ab1b720c97adf2b548cc8fbd28c8b8e06dulan@chromium.org // FP-relative. 979085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org static const int kLengthOffset = StandardFrameConstants::kExpressionsOffset; 98750145ab1b720c97adf2b548cc8fbd28c8b8e06dulan@chromium.org 99659ceec4628056d3c6e7076c850fba1c412cbb8ayangguo@chromium.org static const int kFrameSize = 100659ceec4628056d3c6e7076c850fba1c412cbb8ayangguo@chromium.org StandardFrameConstants::kFixedFrameSize + kPointerSize; 1019085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org}; 1029085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org 1039085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org 104750145ab1b720c97adf2b548cc8fbd28c8b8e06dulan@chromium.orgclass ConstructFrameConstants : public AllStatic { 105750145ab1b720c97adf2b548cc8fbd28c8b8e06dulan@chromium.org public: 106750145ab1b720c97adf2b548cc8fbd28c8b8e06dulan@chromium.org // FP-relative. 107750145ab1b720c97adf2b548cc8fbd28c8b8e06dulan@chromium.org static const int kImplicitReceiverOffset = -5 * kPointerSize; 108750145ab1b720c97adf2b548cc8fbd28c8b8e06dulan@chromium.org static const int kConstructorOffset = kMinInt; 109750145ab1b720c97adf2b548cc8fbd28c8b8e06dulan@chromium.org static const int kLengthOffset = -4 * kPointerSize; 110750145ab1b720c97adf2b548cc8fbd28c8b8e06dulan@chromium.org static const int kCodeOffset = StandardFrameConstants::kExpressionsOffset; 111750145ab1b720c97adf2b548cc8fbd28c8b8e06dulan@chromium.org 112750145ab1b720c97adf2b548cc8fbd28c8b8e06dulan@chromium.org static const int kFrameSize = 113750145ab1b720c97adf2b548cc8fbd28c8b8e06dulan@chromium.org StandardFrameConstants::kFixedFrameSize + 3 * kPointerSize; 114750145ab1b720c97adf2b548cc8fbd28c8b8e06dulan@chromium.org}; 115750145ab1b720c97adf2b548cc8fbd28c8b8e06dulan@chromium.org 116750145ab1b720c97adf2b548cc8fbd28c8b8e06dulan@chromium.org 1179085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.orgclass InternalFrameConstants : public AllStatic { 1189085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org public: 119750145ab1b720c97adf2b548cc8fbd28c8b8e06dulan@chromium.org // FP-relative. 1209085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org static const int kCodeOffset = StandardFrameConstants::kExpressionsOffset; 1219085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org}; 1229085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org 1239085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org 1249085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.orginline Object* JavaScriptFrame::function_slot_object() const { 1259085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org const int offset = JavaScriptFrameConstants::kFunctionOffset; 1269085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org return Memory::Object_at(fp() + offset); 1279085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org} 1289085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org 129d3c42109e5b85232d19beab8deeb24bdcbbf07f9danno@chromium.org 130d3c42109e5b85232d19beab8deeb24bdcbbf07f9danno@chromium.orginline void StackHandler::SetFp(Address slot, Address fp) { 131d3c42109e5b85232d19beab8deeb24bdcbbf07f9danno@chromium.org Memory::Address_at(slot) = fp; 132d3c42109e5b85232d19beab8deeb24bdcbbf07f9danno@chromium.org} 133d3c42109e5b85232d19beab8deeb24bdcbbf07f9danno@chromium.org 134d3c42109e5b85232d19beab8deeb24bdcbbf07f9danno@chromium.org 1359085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org} } // namespace v8::internal 1369085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org 1379085a016223a6b72bf580d5781c93ec7b9e54422ager@chromium.org#endif // V8_X64_FRAMES_X64_H_ 138