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