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Issue 157303002: Introduce Jump and Call operand macro assembler instructions for x64 (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Fixed win64 build Created 6 years, 10 months ago
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1 // Copyright 2012 the V8 project authors. All rights reserved. 1 // Copyright 2012 the V8 project authors. All rights reserved.
2 // Redistribution and use in source and binary forms, with or without 2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are 3 // modification, are permitted provided that the following conditions are
4 // met: 4 // met:
5 // 5 //
6 // * Redistributions of source code must retain the above copyright 6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer. 7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above 8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following 9 // copyright notice, this list of conditions and the following
10 // disclaimer in the documentation and/or other materials provided 10 // disclaimer in the documentation and/or other materials provided
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166 if (convert_call_to_jmp) { 166 if (convert_call_to_jmp) {
167 __ addq(rsp, Immediate(kPCOnStackSize)); 167 __ addq(rsp, Immediate(kPCOnStackSize));
168 } 168 }
169 169
170 // Now that the break point has been handled, resume normal execution by 170 // Now that the break point has been handled, resume normal execution by
171 // jumping to the target address intended by the caller and that was 171 // jumping to the target address intended by the caller and that was
172 // overwritten by the address of DebugBreakXXX. 172 // overwritten by the address of DebugBreakXXX.
173 ExternalReference after_break_target = 173 ExternalReference after_break_target =
174 ExternalReference(Debug_Address::AfterBreakTarget(), masm->isolate()); 174 ExternalReference(Debug_Address::AfterBreakTarget(), masm->isolate());
175 __ Move(kScratchRegister, after_break_target); 175 __ Move(kScratchRegister, after_break_target);
176 __ jmp(Operand(kScratchRegister, 0)); 176 __ Jump(Operand(kScratchRegister, 0));
177 } 177 }
178 178
179 179
180 void Debug::GenerateLoadICDebugBreak(MacroAssembler* masm) { 180 void Debug::GenerateLoadICDebugBreak(MacroAssembler* masm) {
181 // Register state for IC load call (from ic-x64.cc). 181 // Register state for IC load call (from ic-x64.cc).
182 // ----------- S t a t e ------------- 182 // ----------- S t a t e -------------
183 // -- rax : receiver 183 // -- rax : receiver
184 // -- rcx : name 184 // -- rcx : name
185 // ----------------------------------- 185 // -----------------------------------
186 Generate_DebugBreakCallHelper(masm, rax.bit() | rcx.bit(), 0, false); 186 Generate_DebugBreakCallHelper(masm, rax.bit() | rcx.bit(), 0, false);
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346 346
347 const bool Debug::kFrameDropperSupported = true; 347 const bool Debug::kFrameDropperSupported = true;
348 348
349 #undef __ 349 #undef __
350 350
351 #endif // ENABLE_DEBUGGER_SUPPORT 351 #endif // ENABLE_DEBUGGER_SUPPORT
352 352
353 } } // namespace v8::internal 353 } } // namespace v8::internal
354 354
355 #endif // V8_TARGET_ARCH_X64 355 #endif // V8_TARGET_ARCH_X64
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