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Issue 18062006: Revert r15361 "Improved function entry hook coverage" because of ARM build error. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 7 years, 5 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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36 #include "safepoint-table.h" 36 #include "safepoint-table.h"
37 #include "scopeinfo.h" 37 #include "scopeinfo.h"
38 #include "string-stream.h" 38 #include "string-stream.h"
39 39
40 #include "allocation-inl.h" 40 #include "allocation-inl.h"
41 41
42 namespace v8 { 42 namespace v8 {
43 namespace internal { 43 namespace internal {
44 44
45 45
46 ReturnAddressLocationResolver 46 static ReturnAddressLocationResolver return_address_location_resolver = NULL;
47 StackFrame::return_address_location_resolver_ = NULL; 47
48
49 // Resolves pc_address through the resolution address function if one is set.
50 static inline Address* ResolveReturnAddressLocation(Address* pc_address) {
51 if (return_address_location_resolver == NULL) {
52 return pc_address;
53 } else {
54 return reinterpret_cast<Address*>(
55 return_address_location_resolver(
56 reinterpret_cast<uintptr_t>(pc_address)));
57 }
58 }
48 59
49 60
50 // Iterator that supports traversing the stack handlers of a 61 // Iterator that supports traversing the stack handlers of a
51 // particular frame. Needs to know the top of the handler chain. 62 // particular frame. Needs to know the top of the handler chain.
52 class StackHandlerIterator BASE_EMBEDDED { 63 class StackHandlerIterator BASE_EMBEDDED {
53 public: 64 public:
54 StackHandlerIterator(const StackFrame* frame, StackHandler* handler) 65 StackHandlerIterator(const StackFrame* frame, StackHandler* handler)
55 : limit_(frame->fp()), handler_(handler) { 66 : limit_(frame->fp()), handler_(handler) {
56 // Make sure the handler has already been unwound to this frame. 67 // Make sure the handler has already been unwound to this frame.
57 ASSERT(frame->sp() <= handler->address()); 68 ASSERT(frame->sp() <= handler->address());
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221 low_bound_(low_bound), high_bound_(high_bound) { 232 low_bound_(low_bound), high_bound_(high_bound) {
222 StackFrame::State state; 233 StackFrame::State state;
223 StackFrame::Type type; 234 StackFrame::Type type;
224 ThreadLocalTop* top = isolate->thread_local_top(); 235 ThreadLocalTop* top = isolate->thread_local_top();
225 if (IsValidTop(top)) { 236 if (IsValidTop(top)) {
226 type = ExitFrame::GetStateForFramePointer(Isolate::c_entry_fp(top), &state); 237 type = ExitFrame::GetStateForFramePointer(Isolate::c_entry_fp(top), &state);
227 } else if (IsValidStackAddress(fp)) { 238 } else if (IsValidStackAddress(fp)) {
228 ASSERT(fp != NULL); 239 ASSERT(fp != NULL);
229 state.fp = fp; 240 state.fp = fp;
230 state.sp = sp; 241 state.sp = sp;
231 state.pc_address = StackFrame::ResolveReturnAddressLocation( 242 state.pc_address = ResolveReturnAddressLocation(
232 reinterpret_cast<Address*>(StandardFrame::ComputePCAddress(fp))); 243 reinterpret_cast<Address*>(StandardFrame::ComputePCAddress(fp)));
233 type = StackFrame::ComputeType(this, &state); 244 type = StackFrame::ComputeType(this, &state);
234 } else { 245 } else {
235 return; 246 return;
236 } 247 }
237 if (SingletonFor(type) == NULL) return; 248 if (SingletonFor(type) == NULL) return;
238 frame_ = SingletonFor(type, &state); 249 frame_ = SingletonFor(type, &state);
239 250
240 if (!done()) Advance(); 251 if (!done()) Advance();
241 } 252 }
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371 if (code != holder) { 382 if (code != holder) {
372 holder = reinterpret_cast<Code*>(code); 383 holder = reinterpret_cast<Code*>(code);
373 pc = holder->instruction_start() + pc_offset; 384 pc = holder->instruction_start() + pc_offset;
374 *pc_address = pc; 385 *pc_address = pc;
375 } 386 }
376 } 387 }
377 388
378 389
379 void StackFrame::SetReturnAddressLocationResolver( 390 void StackFrame::SetReturnAddressLocationResolver(
380 ReturnAddressLocationResolver resolver) { 391 ReturnAddressLocationResolver resolver) {
381 ASSERT(return_address_location_resolver_ == NULL); 392 ASSERT(return_address_location_resolver == NULL);
382 return_address_location_resolver_ = resolver; 393 return_address_location_resolver = resolver;
383 } 394 }
384 395
385 396
386 StackFrame::Type StackFrame::ComputeType(const StackFrameIteratorBase* iterator, 397 StackFrame::Type StackFrame::ComputeType(const StackFrameIteratorBase* iterator,
387 State* state) { 398 State* state) {
388 ASSERT(state->fp != NULL); 399 ASSERT(state->fp != NULL);
389 if (StandardFrame::IsArgumentsAdaptorFrame(state->fp)) { 400 if (StandardFrame::IsArgumentsAdaptorFrame(state->fp)) {
390 return ARGUMENTS_ADAPTOR; 401 return ARGUMENTS_ADAPTOR;
391 } 402 }
392 // The marker and function offsets overlap. If the marker isn't a 403 // The marker and function offsets overlap. If the marker isn't a
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1585 ZoneList<StackFrame*> list(10, zone); 1596 ZoneList<StackFrame*> list(10, zone);
1586 for (StackFrameIterator it(isolate); !it.done(); it.Advance()) { 1597 for (StackFrameIterator it(isolate); !it.done(); it.Advance()) {
1587 StackFrame* frame = AllocateFrameCopy(it.frame(), zone); 1598 StackFrame* frame = AllocateFrameCopy(it.frame(), zone);
1588 list.Add(frame, zone); 1599 list.Add(frame, zone);
1589 } 1600 }
1590 return list.ToVector(); 1601 return list.ToVector();
1591 } 1602 }
1592 1603
1593 1604
1594 } } // namespace v8::internal 1605 } } // namespace v8::internal
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