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Issue 247373002: CallICStub with a "never patch" approach until customization. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: REBASE + code size multiplier. Created 6 years, 7 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 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include "v8.h" 5 #include "v8.h"
6 6
7 #if V8_TARGET_ARCH_IA32 7 #if V8_TARGET_ARCH_IA32
8 8
9 #include "codegen.h" 9 #include "codegen.h"
10 #include "debug.h" 10 #include "debug.h"
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165 165
166 // Now that the break point has been handled, resume normal execution by 166 // Now that the break point has been handled, resume normal execution by
167 // jumping to the target address intended by the caller and that was 167 // jumping to the target address intended by the caller and that was
168 // overwritten by the address of DebugBreakXXX. 168 // overwritten by the address of DebugBreakXXX.
169 ExternalReference after_break_target = 169 ExternalReference after_break_target =
170 ExternalReference(Debug_Address::AfterBreakTarget(), masm->isolate()); 170 ExternalReference(Debug_Address::AfterBreakTarget(), masm->isolate());
171 __ jmp(Operand::StaticVariable(after_break_target)); 171 __ jmp(Operand::StaticVariable(after_break_target));
172 } 172 }
173 173
174 174
175 void Debug::GenerateCallICStubDebugBreak(MacroAssembler* masm) {
176 // Register state for CallICStub
177 // ----------- S t a t e -------------
178 // -- edx : type feedback slot (smi)
179 // -- edi : function
180 // -----------------------------------
181 Generate_DebugBreakCallHelper(masm, edx.bit() | edi.bit(),
182 0, false);
183 }
184
185
175 void Debug::GenerateLoadICDebugBreak(MacroAssembler* masm) { 186 void Debug::GenerateLoadICDebugBreak(MacroAssembler* masm) {
176 // Register state for IC load call (from ic-ia32.cc). 187 // Register state for IC load call (from ic-ia32.cc).
177 // ----------- S t a t e ------------- 188 // ----------- S t a t e -------------
178 // -- ecx : name 189 // -- ecx : name
179 // -- edx : receiver 190 // -- edx : receiver
180 // ----------------------------------- 191 // -----------------------------------
181 Generate_DebugBreakCallHelper(masm, ecx.bit() | edx.bit(), 0, false); 192 Generate_DebugBreakCallHelper(masm, ecx.bit() | edx.bit(), 0, false);
182 } 193 }
183 194
184 195
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218 229
219 void Debug::GenerateCompareNilICDebugBreak(MacroAssembler* masm) { 230 void Debug::GenerateCompareNilICDebugBreak(MacroAssembler* masm) {
220 // Register state for CompareNil IC 231 // Register state for CompareNil IC
221 // ----------- S t a t e ------------- 232 // ----------- S t a t e -------------
222 // -- eax : value 233 // -- eax : value
223 // ----------------------------------- 234 // -----------------------------------
224 Generate_DebugBreakCallHelper(masm, eax.bit(), 0, false); 235 Generate_DebugBreakCallHelper(masm, eax.bit(), 0, false);
225 } 236 }
226 237
227 238
228 void Debug::GenerateCallICDebugBreak(MacroAssembler* masm) {
229 // Register state for keyed IC call call (from ic-ia32.cc)
230 // ----------- S t a t e -------------
231 // -- ecx: name
232 // -----------------------------------
233 Generate_DebugBreakCallHelper(masm, ecx.bit(), 0, false);
234 }
235
236
237 void Debug::GenerateReturnDebugBreak(MacroAssembler* masm) { 239 void Debug::GenerateReturnDebugBreak(MacroAssembler* masm) {
238 // Register state just before return from JS function (from codegen-ia32.cc). 240 // Register state just before return from JS function (from codegen-ia32.cc).
239 // ----------- S t a t e ------------- 241 // ----------- S t a t e -------------
240 // -- eax: return value 242 // -- eax: return value
241 // ----------------------------------- 243 // -----------------------------------
242 Generate_DebugBreakCallHelper(masm, eax.bit(), 0, true); 244 Generate_DebugBreakCallHelper(masm, eax.bit(), 0, true);
243 } 245 }
244 246
245 247
246 void Debug::GenerateCallFunctionStubDebugBreak(MacroAssembler* masm) { 248 void Debug::GenerateCallFunctionStubDebugBreak(MacroAssembler* masm) {
247 // Register state for CallFunctionStub (from code-stubs-ia32.cc). 249 // Register state for CallFunctionStub (from code-stubs-ia32.cc).
248 // ----------- S t a t e ------------- 250 // ----------- S t a t e -------------
249 // -- edi: function 251 // -- edi: function
250 // ----------------------------------- 252 // -----------------------------------
251 Generate_DebugBreakCallHelper(masm, edi.bit(), 0, false); 253 Generate_DebugBreakCallHelper(masm, edi.bit(), 0, false);
252 } 254 }
253 255
254 256
255 void Debug::GenerateCallFunctionStubRecordDebugBreak(MacroAssembler* masm) {
256 // Register state for CallFunctionStub (from code-stubs-ia32.cc).
257 // ----------- S t a t e -------------
258 // -- ebx: feedback array
259 // -- edx: slot in feedback array
260 // -- edi: function
261 // -----------------------------------
262 Generate_DebugBreakCallHelper(masm, ebx.bit() | edx.bit() | edi.bit(),
263 0, false);
264 }
265
266
267 void Debug::GenerateCallConstructStubDebugBreak(MacroAssembler* masm) { 257 void Debug::GenerateCallConstructStubDebugBreak(MacroAssembler* masm) {
268 // Register state for CallConstructStub (from code-stubs-ia32.cc). 258 // Register state for CallConstructStub (from code-stubs-ia32.cc).
269 // eax is the actual number of arguments not encoded as a smi see comment 259 // eax is the actual number of arguments not encoded as a smi see comment
270 // above IC call. 260 // above IC call.
271 // ----------- S t a t e ------------- 261 // ----------- S t a t e -------------
272 // -- eax: number of arguments (not smi) 262 // -- eax: number of arguments (not smi)
273 // -- edi: constructor function 263 // -- edi: constructor function
274 // ----------------------------------- 264 // -----------------------------------
275 // The number of arguments in eax is not smi encoded. 265 // The number of arguments in eax is not smi encoded.
276 Generate_DebugBreakCallHelper(masm, edi.bit(), eax.bit(), false); 266 Generate_DebugBreakCallHelper(masm, edi.bit(), eax.bit(), false);
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340 __ jmp(edx); 330 __ jmp(edx);
341 } 331 }
342 332
343 const bool Debug::kFrameDropperSupported = true; 333 const bool Debug::kFrameDropperSupported = true;
344 334
345 #undef __ 335 #undef __
346 336
347 } } // namespace v8::internal 337 } } // namespace v8::internal
348 338
349 #endif // V8_TARGET_ARCH_IA32 339 #endif // V8_TARGET_ARCH_IA32
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