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1 // Copyright 2013 the V8 project authors. All rights reserved. | 1 // Copyright 2013 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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233 // jumping to the target address intended by the caller and that was | 233 // jumping to the target address intended by the caller and that was |
234 // overwritten by the address of DebugBreakXXX. | 234 // overwritten by the address of DebugBreakXXX. |
235 ExternalReference after_break_target(Debug_Address::AfterBreakTarget(), | 235 ExternalReference after_break_target(Debug_Address::AfterBreakTarget(), |
236 masm->isolate()); | 236 masm->isolate()); |
237 __ Mov(scratch, after_break_target); | 237 __ Mov(scratch, after_break_target); |
238 __ Ldr(scratch, MemOperand(scratch)); | 238 __ Ldr(scratch, MemOperand(scratch)); |
239 __ Br(scratch); | 239 __ Br(scratch); |
240 } | 240 } |
241 | 241 |
242 | 242 |
243 void Debug::GenerateCallICStubDebugBreak(MacroAssembler* masm) { | |
244 // Register state for CallICStub | |
245 // ----------- S t a t e ------------- | |
246 // -- x1 : function | |
247 // -- x2 : feedback array | |
248 // -- x3 : slot in feedback array | |
249 // ----------------------------------- | |
250 Generate_DebugBreakCallHelper(masm, x1.Bit() | x2.Bit() | x3.Bit(), 0, x10); | |
251 } | |
252 | |
253 | |
254 void Debug::GenerateLoadICDebugBreak(MacroAssembler* masm) { | 243 void Debug::GenerateLoadICDebugBreak(MacroAssembler* masm) { |
255 // Calling convention for IC load (from ic-arm.cc). | 244 // Calling convention for IC load (from ic-arm.cc). |
256 // ----------- S t a t e ------------- | 245 // ----------- S t a t e ------------- |
257 // -- x2 : name | 246 // -- x2 : name |
258 // -- lr : return address | 247 // -- lr : return address |
259 // -- x0 : receiver | 248 // -- x0 : receiver |
260 // -- [sp] : receiver | 249 // -- [sp] : receiver |
261 // ----------------------------------- | 250 // ----------------------------------- |
262 // Registers x0 and x2 contain objects that need to be pushed on the | 251 // Registers x0 and x2 contain objects that need to be pushed on the |
263 // expression stack of the fake JS frame. | 252 // expression stack of the fake JS frame. |
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300 | 289 |
301 void Debug::GenerateCompareNilICDebugBreak(MacroAssembler* masm) { | 290 void Debug::GenerateCompareNilICDebugBreak(MacroAssembler* masm) { |
302 // Register state for CompareNil IC | 291 // Register state for CompareNil IC |
303 // ----------- S t a t e ------------- | 292 // ----------- S t a t e ------------- |
304 // -- r0 : value | 293 // -- r0 : value |
305 // ----------------------------------- | 294 // ----------------------------------- |
306 Generate_DebugBreakCallHelper(masm, x0.Bit(), 0, x10); | 295 Generate_DebugBreakCallHelper(masm, x0.Bit(), 0, x10); |
307 } | 296 } |
308 | 297 |
309 | 298 |
| 299 void Debug::GenerateCallICDebugBreak(MacroAssembler* masm) { |
| 300 // Calling convention for IC call (from ic-arm.cc) |
| 301 // ----------- S t a t e ------------- |
| 302 // -- x2 : name |
| 303 // ----------------------------------- |
| 304 Generate_DebugBreakCallHelper(masm, x2.Bit(), 0, x10); |
| 305 } |
| 306 |
| 307 |
310 void Debug::GenerateReturnDebugBreak(MacroAssembler* masm) { | 308 void Debug::GenerateReturnDebugBreak(MacroAssembler* masm) { |
311 // In places other than IC call sites it is expected that r0 is TOS which | 309 // In places other than IC call sites it is expected that r0 is TOS which |
312 // is an object - this is not generally the case so this should be used with | 310 // is an object - this is not generally the case so this should be used with |
313 // care. | 311 // care. |
314 Generate_DebugBreakCallHelper(masm, x0.Bit(), 0, x10); | 312 Generate_DebugBreakCallHelper(masm, x0.Bit(), 0, x10); |
315 } | 313 } |
316 | 314 |
317 | 315 |
318 void Debug::GenerateCallFunctionStubDebugBreak(MacroAssembler* masm) { | 316 void Debug::GenerateCallFunctionStubDebugBreak(MacroAssembler* masm) { |
319 // Register state for CallFunctionStub (from code-stubs-arm64.cc). | 317 // Register state for CallFunctionStub (from code-stubs-arm64.cc). |
320 // ----------- S t a t e ------------- | 318 // ----------- S t a t e ------------- |
321 // -- x1 : function | 319 // -- x1 : function |
322 // ----------------------------------- | 320 // ----------------------------------- |
323 Generate_DebugBreakCallHelper(masm, x1.Bit(), 0, x10); | 321 Generate_DebugBreakCallHelper(masm, x1.Bit(), 0, x10); |
324 } | 322 } |
325 | 323 |
326 | 324 |
| 325 void Debug::GenerateCallFunctionStubRecordDebugBreak(MacroAssembler* masm) { |
| 326 // Register state for CallFunctionStub (from code-stubs-arm64.cc). |
| 327 // ----------- S t a t e ------------- |
| 328 // -- x1 : function |
| 329 // -- x2 : feedback array |
| 330 // -- x3 : slot in feedback array |
| 331 // ----------------------------------- |
| 332 Generate_DebugBreakCallHelper(masm, x1.Bit() | x2.Bit() | x3.Bit(), 0, x10); |
| 333 } |
| 334 |
| 335 |
327 void Debug::GenerateCallConstructStubDebugBreak(MacroAssembler* masm) { | 336 void Debug::GenerateCallConstructStubDebugBreak(MacroAssembler* masm) { |
328 // Calling convention for CallConstructStub (from code-stubs-arm64.cc). | 337 // Calling convention for CallConstructStub (from code-stubs-arm64.cc). |
329 // ----------- S t a t e ------------- | 338 // ----------- S t a t e ------------- |
330 // -- x0 : number of arguments (not smi) | 339 // -- x0 : number of arguments (not smi) |
331 // -- x1 : constructor function | 340 // -- x1 : constructor function |
332 // ----------------------------------- | 341 // ----------------------------------- |
333 Generate_DebugBreakCallHelper(masm, x1.Bit(), x0.Bit(), x10); | 342 Generate_DebugBreakCallHelper(masm, x1.Bit(), x0.Bit(), x10); |
334 } | 343 } |
335 | 344 |
336 | 345 |
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375 masm->Abort(kLiveEditFrameDroppingIsNotSupportedOnARM64); | 384 masm->Abort(kLiveEditFrameDroppingIsNotSupportedOnARM64); |
376 } | 385 } |
377 | 386 |
378 const bool Debug::kFrameDropperSupported = false; | 387 const bool Debug::kFrameDropperSupported = false; |
379 | 388 |
380 #endif // ENABLE_DEBUGGER_SUPPORT | 389 #endif // ENABLE_DEBUGGER_SUPPORT |
381 | 390 |
382 } } // namespace v8::internal | 391 } } // namespace v8::internal |
383 | 392 |
384 #endif // V8_TARGET_ARCH_ARM64 | 393 #endif // V8_TARGET_ARCH_ARM64 |
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