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Issue 2866008: [Isolates] Move contents of Top into Isolate.... (Closed) Base URL: http://v8.googlecode.com/svn/branches/experimental/isolates/
Patch Set: ensure we're synced Created 10 years, 6 months ago
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1 // Copyright 2006-2008 the V8 project authors. All rights reserved. 1 // Copyright 2006-2008 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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24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 27
28 #include "v8.h" 28 #include "v8.h"
29 29
30 #include "frames-inl.h" 30 #include "frames-inl.h"
31 #include "mark-compact.h" 31 #include "mark-compact.h"
32 #include "scopeinfo.h" 32 #include "scopeinfo.h"
33 #include "string-stream.h" 33 #include "string-stream.h"
34 #include "top.h"
35 34
36 namespace v8 { 35 namespace v8 {
37 namespace internal { 36 namespace internal {
38 37
39 // Iterator that supports traversing the stack handlers of a 38 // Iterator that supports traversing the stack handlers of a
40 // particular frame. Needs to know the top of the handler chain. 39 // particular frame. Needs to know the top of the handler chain.
41 class StackHandlerIterator BASE_EMBEDDED { 40 class StackHandlerIterator BASE_EMBEDDED {
42 public: 41 public:
43 StackHandlerIterator(const StackFrame* frame, StackHandler* handler) 42 StackHandlerIterator(const StackFrame* frame, StackHandler* handler)
44 : limit_(frame->fp()), handler_(handler) { 43 : limit_(frame->fp()), handler_(handler) {
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124 StackFrame::State state; 123 StackFrame::State state;
125 StackFrame::Type type = frame_->GetCallerState(&state); 124 StackFrame::Type type = frame_->GetCallerState(&state);
126 frame_ = SingletonFor(type, &state); 125 frame_ = SingletonFor(type, &state);
127 } 126 }
128 127
129 128
130 void StackFrameIterator::Reset() { 129 void StackFrameIterator::Reset() {
131 StackFrame::State state; 130 StackFrame::State state;
132 StackFrame::Type type; 131 StackFrame::Type type;
133 if (thread_ != NULL) { 132 if (thread_ != NULL) {
134 type = ExitFrame::GetStateForFramePointer(Top::c_entry_fp(thread_), &state); 133 type = ExitFrame::GetStateForFramePointer(
135 handler_ = StackHandler::FromAddress(Top::handler(thread_)); 134 Isolate::c_entry_fp(thread_), &state);
135 handler_ = StackHandler::FromAddress(
136 Isolate::handler(thread_));
136 } else { 137 } else {
137 ASSERT(fp_ != NULL); 138 ASSERT(fp_ != NULL);
138 state.fp = fp_; 139 state.fp = fp_;
139 state.sp = sp_; 140 state.sp = sp_;
140 state.pc_address = 141 state.pc_address =
141 reinterpret_cast<Address*>(StandardFrame::ComputePCAddress(fp_)); 142 reinterpret_cast<Address*>(StandardFrame::ComputePCAddress(fp_));
142 type = StackFrame::ComputeType(&state); 143 type = StackFrame::ComputeType(&state);
143 if (SingletonFor(type) == NULL) return; 144 if (SingletonFor(type) == NULL) return;
144 } 145 }
145 frame_ = SingletonFor(type, &state); 146 frame_ = SingletonFor(type, &state);
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198 199
199 200
200 // ------------------------------------------------------------------------- 201 // -------------------------------------------------------------------------
201 202
202 203
203 SafeStackFrameIterator::SafeStackFrameIterator( 204 SafeStackFrameIterator::SafeStackFrameIterator(
204 Address fp, Address sp, Address low_bound, Address high_bound) : 205 Address fp, Address sp, Address low_bound, Address high_bound) :
205 low_bound_(low_bound), high_bound_(high_bound), 206 low_bound_(low_bound), high_bound_(high_bound),
206 is_valid_top_( 207 is_valid_top_(
207 IsWithinBounds(low_bound, high_bound, 208 IsWithinBounds(low_bound, high_bound,
208 Top::c_entry_fp(Isolate::Current()->thread_local_top())) 209 Isolate::c_entry_fp(
209 && Top::handler(Isolate::Current()->thread_local_top()) != NULL), 210 Isolate::Current()->thread_local_top())) &&
211 Isolate::handler(Isolate::Current()->thread_local_top()) != NULL),
210 is_valid_fp_(IsWithinBounds(low_bound, high_bound, fp)), 212 is_valid_fp_(IsWithinBounds(low_bound, high_bound, fp)),
211 is_working_iterator_(is_valid_top_ || is_valid_fp_), 213 is_working_iterator_(is_valid_top_ || is_valid_fp_),
212 iteration_done_(!is_working_iterator_), 214 iteration_done_(!is_working_iterator_),
213 iterator_(is_valid_top_, is_valid_fp_ ? fp : NULL, sp) { 215 iterator_(is_valid_top_, is_valid_fp_ ? fp : NULL, sp) {
214 } 216 }
215 217
216 218
217 void SafeStackFrameIterator::Advance() { 219 void SafeStackFrameIterator::Advance() {
218 ASSERT(is_working_iterator_); 220 ASSERT(is_working_iterator_);
219 ASSERT(!done()); 221 ASSERT(!done());
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815 ZoneList<StackFrame*> list(10); 817 ZoneList<StackFrame*> list(10);
816 for (StackFrameIterator it; !it.done(); it.Advance()) { 818 for (StackFrameIterator it; !it.done(); it.Advance()) {
817 StackFrame* frame = AllocateFrameCopy(it.frame()); 819 StackFrame* frame = AllocateFrameCopy(it.frame());
818 list.Add(frame); 820 list.Add(frame);
819 } 821 }
820 return list.ToVector(); 822 return list.ToVector();
821 } 823 }
822 824
823 825
824 } } // namespace v8::internal 826 } } // namespace v8::internal
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