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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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172 // jumping to the target address intended by the caller and that was | 172 // jumping to the target address intended by the caller and that was |
173 // overwritten by the address of DebugBreakXXX. | 173 // overwritten by the address of DebugBreakXXX. |
174 ExternalReference after_break_target = | 174 ExternalReference after_break_target = |
175 ExternalReference(Debug_Address::AfterBreakTarget(), masm->isolate()); | 175 ExternalReference(Debug_Address::AfterBreakTarget(), masm->isolate()); |
176 __ mov(ip, Operand(after_break_target)); | 176 __ mov(ip, Operand(after_break_target)); |
177 __ ldr(ip, MemOperand(ip)); | 177 __ ldr(ip, MemOperand(ip)); |
178 __ Jump(ip); | 178 __ Jump(ip); |
179 } | 179 } |
180 | 180 |
181 | 181 |
| 182 void Debug::GenerateCallICStubDebugBreak(MacroAssembler* masm) { |
| 183 // Register state for CallICStub |
| 184 // ----------- S t a t e ------------- |
| 185 // -- r1 : function |
| 186 // -- r2 : feedback array |
| 187 // -- r3 : slot in feedback array (smi) |
| 188 // ----------------------------------- |
| 189 Generate_DebugBreakCallHelper(masm, r1.bit() | r2.bit() | r3.bit(), 0); |
| 190 } |
| 191 |
| 192 |
182 void Debug::GenerateLoadICDebugBreak(MacroAssembler* masm) { | 193 void Debug::GenerateLoadICDebugBreak(MacroAssembler* masm) { |
183 // Calling convention for IC load (from ic-arm.cc). | 194 // Calling convention for IC load (from ic-arm.cc). |
184 // ----------- S t a t e ------------- | 195 // ----------- S t a t e ------------- |
185 // -- r2 : name | 196 // -- r2 : name |
186 // -- lr : return address | 197 // -- lr : return address |
187 // -- r0 : receiver | 198 // -- r0 : receiver |
188 // -- [sp] : receiver | 199 // -- [sp] : receiver |
189 // ----------------------------------- | 200 // ----------------------------------- |
190 // Registers r0 and r2 contain objects that need to be pushed on the | 201 // Registers r0 and r2 contain objects that need to be pushed on the |
191 // expression stack of the fake JS frame. | 202 // expression stack of the fake JS frame. |
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228 | 239 |
229 void Debug::GenerateCompareNilICDebugBreak(MacroAssembler* masm) { | 240 void Debug::GenerateCompareNilICDebugBreak(MacroAssembler* masm) { |
230 // Register state for CompareNil IC | 241 // Register state for CompareNil IC |
231 // ----------- S t a t e ------------- | 242 // ----------- S t a t e ------------- |
232 // -- r0 : value | 243 // -- r0 : value |
233 // ----------------------------------- | 244 // ----------------------------------- |
234 Generate_DebugBreakCallHelper(masm, r0.bit(), 0); | 245 Generate_DebugBreakCallHelper(masm, r0.bit(), 0); |
235 } | 246 } |
236 | 247 |
237 | 248 |
238 void Debug::GenerateCallICDebugBreak(MacroAssembler* masm) { | |
239 // Calling convention for IC call (from ic-arm.cc) | |
240 // ----------- S t a t e ------------- | |
241 // -- r2 : name | |
242 // ----------------------------------- | |
243 Generate_DebugBreakCallHelper(masm, r2.bit(), 0); | |
244 } | |
245 | |
246 | |
247 void Debug::GenerateReturnDebugBreak(MacroAssembler* masm) { | 249 void Debug::GenerateReturnDebugBreak(MacroAssembler* masm) { |
248 // In places other than IC call sites it is expected that r0 is TOS which | 250 // In places other than IC call sites it is expected that r0 is TOS which |
249 // is an object - this is not generally the case so this should be used with | 251 // is an object - this is not generally the case so this should be used with |
250 // care. | 252 // care. |
251 Generate_DebugBreakCallHelper(masm, r0.bit(), 0); | 253 Generate_DebugBreakCallHelper(masm, r0.bit(), 0); |
252 } | 254 } |
253 | 255 |
254 | 256 |
255 void Debug::GenerateCallFunctionStubDebugBreak(MacroAssembler* masm) { | 257 void Debug::GenerateCallFunctionStubDebugBreak(MacroAssembler* masm) { |
256 // Register state for CallFunctionStub (from code-stubs-arm.cc). | 258 // Register state for CallFunctionStub (from code-stubs-arm.cc). |
257 // ----------- S t a t e ------------- | 259 // ----------- S t a t e ------------- |
258 // -- r1 : function | 260 // -- r1 : function |
259 // ----------------------------------- | 261 // ----------------------------------- |
260 Generate_DebugBreakCallHelper(masm, r1.bit(), 0); | 262 Generate_DebugBreakCallHelper(masm, r1.bit(), 0); |
261 } | 263 } |
262 | 264 |
263 | 265 |
264 void Debug::GenerateCallFunctionStubRecordDebugBreak(MacroAssembler* masm) { | |
265 // Register state for CallFunctionStub (from code-stubs-arm.cc). | |
266 // ----------- S t a t e ------------- | |
267 // -- r1 : function | |
268 // -- r2 : feedback array | |
269 // -- r3 : slot in feedback array | |
270 // ----------------------------------- | |
271 Generate_DebugBreakCallHelper(masm, r1.bit() | r2.bit() | r3.bit(), 0); | |
272 } | |
273 | |
274 | |
275 void Debug::GenerateCallConstructStubDebugBreak(MacroAssembler* masm) { | 266 void Debug::GenerateCallConstructStubDebugBreak(MacroAssembler* masm) { |
276 // Calling convention for CallConstructStub (from code-stubs-arm.cc) | 267 // Calling convention for CallConstructStub (from code-stubs-arm.cc) |
277 // ----------- S t a t e ------------- | 268 // ----------- S t a t e ------------- |
278 // -- r0 : number of arguments (not smi) | 269 // -- r0 : number of arguments (not smi) |
279 // -- r1 : constructor function | 270 // -- r1 : constructor function |
280 // ----------------------------------- | 271 // ----------------------------------- |
281 Generate_DebugBreakCallHelper(masm, r1.bit(), r0.bit()); | 272 Generate_DebugBreakCallHelper(masm, r1.bit(), r0.bit()); |
282 } | 273 } |
283 | 274 |
284 | 275 |
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329 | 320 |
330 #undef __ | 321 #undef __ |
331 | 322 |
332 | 323 |
333 | 324 |
334 #endif // ENABLE_DEBUGGER_SUPPORT | 325 #endif // ENABLE_DEBUGGER_SUPPORT |
335 | 326 |
336 } } // namespace v8::internal | 327 } } // namespace v8::internal |
337 | 328 |
338 #endif // V8_TARGET_ARCH_ARM | 329 #endif // V8_TARGET_ARCH_ARM |
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