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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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190 | 190 |
191 // Now that the break point has been handled, resume normal execution by | 191 // Now that the break point has been handled, resume normal execution by |
192 // jumping to the target address intended by the caller and that was | 192 // jumping to the target address intended by the caller and that was |
193 // overwritten by the address of DebugBreakXXX. | 193 // overwritten by the address of DebugBreakXXX. |
194 ExternalReference after_break_target = | 194 ExternalReference after_break_target = |
195 ExternalReference(Debug_Address::AfterBreakTarget(), masm->isolate()); | 195 ExternalReference(Debug_Address::AfterBreakTarget(), masm->isolate()); |
196 __ jmp(Operand::StaticVariable(after_break_target)); | 196 __ jmp(Operand::StaticVariable(after_break_target)); |
197 } | 197 } |
198 | 198 |
199 | 199 |
| 200 void Debug::GenerateCallICStubDebugBreak(MacroAssembler* masm) { |
| 201 // Register state for CallICStub |
| 202 // ----------- S t a t e ------------- |
| 203 // -- ebx : type feedback vector |
| 204 // -- edx : type feedback slot (smi) |
| 205 // -- edi : function |
| 206 // ----------------------------------- |
| 207 |
| 208 // TODO(mvstanton): should eax be saved, non-object reg? |
| 209 Generate_DebugBreakCallHelper(masm, ebx.bit() | edx.bit() | edi.bit(), |
| 210 0, false); |
| 211 } |
| 212 |
| 213 |
200 void Debug::GenerateLoadICDebugBreak(MacroAssembler* masm) { | 214 void Debug::GenerateLoadICDebugBreak(MacroAssembler* masm) { |
201 // Register state for IC load call (from ic-ia32.cc). | 215 // Register state for IC load call (from ic-ia32.cc). |
202 // ----------- S t a t e ------------- | 216 // ----------- S t a t e ------------- |
203 // -- ecx : name | 217 // -- ecx : name |
204 // -- edx : receiver | 218 // -- edx : receiver |
205 // ----------------------------------- | 219 // ----------------------------------- |
206 Generate_DebugBreakCallHelper(masm, ecx.bit() | edx.bit(), 0, false); | 220 Generate_DebugBreakCallHelper(masm, ecx.bit() | edx.bit(), 0, false); |
207 } | 221 } |
208 | 222 |
209 | 223 |
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243 | 257 |
244 void Debug::GenerateCompareNilICDebugBreak(MacroAssembler* masm) { | 258 void Debug::GenerateCompareNilICDebugBreak(MacroAssembler* masm) { |
245 // Register state for CompareNil IC | 259 // Register state for CompareNil IC |
246 // ----------- S t a t e ------------- | 260 // ----------- S t a t e ------------- |
247 // -- eax : value | 261 // -- eax : value |
248 // ----------------------------------- | 262 // ----------------------------------- |
249 Generate_DebugBreakCallHelper(masm, eax.bit(), 0, false); | 263 Generate_DebugBreakCallHelper(masm, eax.bit(), 0, false); |
250 } | 264 } |
251 | 265 |
252 | 266 |
253 void Debug::GenerateCallICDebugBreak(MacroAssembler* masm) { | |
254 // Register state for keyed IC call call (from ic-ia32.cc) | |
255 // ----------- S t a t e ------------- | |
256 // -- ecx: name | |
257 // ----------------------------------- | |
258 Generate_DebugBreakCallHelper(masm, ecx.bit(), 0, false); | |
259 } | |
260 | |
261 | |
262 void Debug::GenerateReturnDebugBreak(MacroAssembler* masm) { | 267 void Debug::GenerateReturnDebugBreak(MacroAssembler* masm) { |
263 // Register state just before return from JS function (from codegen-ia32.cc). | 268 // Register state just before return from JS function (from codegen-ia32.cc). |
264 // ----------- S t a t e ------------- | 269 // ----------- S t a t e ------------- |
265 // -- eax: return value | 270 // -- eax: return value |
266 // ----------------------------------- | 271 // ----------------------------------- |
267 Generate_DebugBreakCallHelper(masm, eax.bit(), 0, true); | 272 Generate_DebugBreakCallHelper(masm, eax.bit(), 0, true); |
268 } | 273 } |
269 | 274 |
270 | 275 |
271 void Debug::GenerateCallFunctionStubDebugBreak(MacroAssembler* masm) { | 276 void Debug::GenerateCallFunctionStubDebugBreak(MacroAssembler* masm) { |
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367 | 372 |
368 const bool Debug::kFrameDropperSupported = true; | 373 const bool Debug::kFrameDropperSupported = true; |
369 | 374 |
370 #undef __ | 375 #undef __ |
371 | 376 |
372 #endif // ENABLE_DEBUGGER_SUPPORT | 377 #endif // ENABLE_DEBUGGER_SUPPORT |
373 | 378 |
374 } } // namespace v8::internal | 379 } } // namespace v8::internal |
375 | 380 |
376 #endif // V8_TARGET_ARCH_IA32 | 381 #endif // V8_TARGET_ARCH_IA32 |
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