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Issue 223823002: Revert r20474 (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 6 years, 8 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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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 __ Jump(Operand(kScratchRegister, 0)); 176 __ Jump(Operand(kScratchRegister, 0));
177 } 177 }
178 178
179 179
180 void Debug::GenerateCallICStubDebugBreak(MacroAssembler* masm) {
181 // Register state for CallICStub
182 // ----------- S t a t e -------------
183 // -- rbx : type feedback vector
184 // -- rdx : type feedback slot (smi)
185 // -- rdi : function
186 // -----------------------------------
187 Generate_DebugBreakCallHelper(masm, rbx.bit() | rdx.bit() | rdi.bit(),
188 0, false);
189 }
190
191
192 void Debug::GenerateLoadICDebugBreak(MacroAssembler* masm) { 180 void Debug::GenerateLoadICDebugBreak(MacroAssembler* masm) {
193 // Register state for IC load call (from ic-x64.cc). 181 // Register state for IC load call (from ic-x64.cc).
194 // ----------- S t a t e ------------- 182 // ----------- S t a t e -------------
195 // -- rax : receiver 183 // -- rax : receiver
196 // -- rcx : name 184 // -- rcx : name
197 // ----------------------------------- 185 // -----------------------------------
198 Generate_DebugBreakCallHelper(masm, rax.bit() | rcx.bit(), 0, false); 186 Generate_DebugBreakCallHelper(masm, rax.bit() | rcx.bit(), 0, false);
199 } 187 }
200 188
201 189
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235 223
236 void Debug::GenerateCompareNilICDebugBreak(MacroAssembler* masm) { 224 void Debug::GenerateCompareNilICDebugBreak(MacroAssembler* masm) {
237 // Register state for CompareNil IC 225 // Register state for CompareNil IC
238 // ----------- S t a t e ------------- 226 // ----------- S t a t e -------------
239 // -- rax : value 227 // -- rax : value
240 // ----------------------------------- 228 // -----------------------------------
241 Generate_DebugBreakCallHelper(masm, rax.bit(), 0, false); 229 Generate_DebugBreakCallHelper(masm, rax.bit(), 0, false);
242 } 230 }
243 231
244 232
233 void Debug::GenerateCallICDebugBreak(MacroAssembler* masm) {
234 // Register state for IC call call (from ic-x64.cc)
235 // ----------- S t a t e -------------
236 // -- rcx: function name
237 // -----------------------------------
238 Generate_DebugBreakCallHelper(masm, rcx.bit(), 0, false);
239 }
240
241
245 void Debug::GenerateReturnDebugBreak(MacroAssembler* masm) { 242 void Debug::GenerateReturnDebugBreak(MacroAssembler* masm) {
246 // Register state just before return from JS function (from codegen-x64.cc). 243 // Register state just before return from JS function (from codegen-x64.cc).
247 // ----------- S t a t e ------------- 244 // ----------- S t a t e -------------
248 // -- rax: return value 245 // -- rax: return value
249 // ----------------------------------- 246 // -----------------------------------
250 Generate_DebugBreakCallHelper(masm, rax.bit(), 0, true); 247 Generate_DebugBreakCallHelper(masm, rax.bit(), 0, true);
251 } 248 }
252 249
253 250
254 void Debug::GenerateCallFunctionStubDebugBreak(MacroAssembler* masm) { 251 void Debug::GenerateCallFunctionStubDebugBreak(MacroAssembler* masm) {
255 // Register state for CallFunctionStub (from code-stubs-x64.cc). 252 // Register state for CallFunctionStub (from code-stubs-x64.cc).
256 // ----------- S t a t e ------------- 253 // ----------- S t a t e -------------
257 // -- rdi : function 254 // -- rdi : function
258 // ----------------------------------- 255 // -----------------------------------
259 Generate_DebugBreakCallHelper(masm, rdi.bit(), 0, false); 256 Generate_DebugBreakCallHelper(masm, rdi.bit(), 0, false);
260 } 257 }
261 258
262 259
260 void Debug::GenerateCallFunctionStubRecordDebugBreak(MacroAssembler* masm) {
261 // Register state for CallFunctionStub (from code-stubs-x64.cc).
262 // ----------- S t a t e -------------
263 // -- rdi : function
264 // -- rbx: feedback array
265 // -- rdx: slot in feedback array
266 // -----------------------------------
267 Generate_DebugBreakCallHelper(masm, rbx.bit() | rdx.bit() | rdi.bit(),
268 0, false);
269 }
270
271
263 void Debug::GenerateCallConstructStubDebugBreak(MacroAssembler* masm) { 272 void Debug::GenerateCallConstructStubDebugBreak(MacroAssembler* masm) {
264 // Register state for CallConstructStub (from code-stubs-x64.cc). 273 // Register state for CallConstructStub (from code-stubs-x64.cc).
265 // rax is the actual number of arguments not encoded as a smi, see comment 274 // rax is the actual number of arguments not encoded as a smi, see comment
266 // above IC call. 275 // above IC call.
267 // ----------- S t a t e ------------- 276 // ----------- S t a t e -------------
268 // -- rax: number of arguments 277 // -- rax: number of arguments
269 // ----------------------------------- 278 // -----------------------------------
270 // The number of arguments in rax is not smi encoded. 279 // The number of arguments in rax is not smi encoded.
271 Generate_DebugBreakCallHelper(masm, rdi.bit(), rax.bit(), false); 280 Generate_DebugBreakCallHelper(masm, rdi.bit(), rax.bit(), false);
272 } 281 }
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337 346
338 const bool Debug::kFrameDropperSupported = true; 347 const bool Debug::kFrameDropperSupported = true;
339 348
340 #undef __ 349 #undef __
341 350
342 #endif // ENABLE_DEBUGGER_SUPPORT 351 #endif // ENABLE_DEBUGGER_SUPPORT
343 352
344 } } // namespace v8::internal 353 } } // namespace v8::internal
345 354
346 #endif // V8_TARGET_ARCH_X64 355 #endif // V8_TARGET_ARCH_X64
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