Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(50)

Side by Side Diff: src/debug/debug.cc

Issue 1858773004: Revert of Correctly annotate eval origin. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 4 years, 8 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch
« no previous file with comments | « src/debug/debug.h ('k') | src/debug/debug-evaluate.cc » ('j') | no next file with comments »
Toggle Intra-line Diffs ('i') | Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
OLDNEW
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 "src/debug/debug.h" 5 #include "src/debug/debug.h"
6 6
7 #include "src/api.h" 7 #include "src/api.h"
8 #include "src/arguments.h" 8 #include "src/arguments.h"
9 #include "src/bootstrapper.h" 9 #include "src/bootstrapper.h"
10 #include "src/code-stubs.h" 10 #include "src/code-stubs.h"
(...skipping 242 matching lines...) Expand 10 before | Expand all | Expand 10 after
253 253
254 // Find the break point at the supplied address, or the closest one before 254 // Find the break point at the supplied address, or the closest one before
255 // the address. 255 // the address.
256 BreakLocation BreakLocation::FromCodeOffset(Handle<DebugInfo> debug_info, 256 BreakLocation BreakLocation::FromCodeOffset(Handle<DebugInfo> debug_info,
257 int offset) { 257 int offset) {
258 base::SmartPointer<Iterator> it(GetIterator(debug_info)); 258 base::SmartPointer<Iterator> it(GetIterator(debug_info));
259 it->SkipTo(BreakIndexFromCodeOffset(debug_info, offset)); 259 it->SkipTo(BreakIndexFromCodeOffset(debug_info, offset));
260 return it->GetBreakLocation(); 260 return it->GetBreakLocation();
261 } 261 }
262 262
263 FrameSummary GetFirstFrameSummary(JavaScriptFrame* frame) {
264 List<FrameSummary> frames(FLAG_max_inlining_levels + 1);
265 frame->Summarize(&frames);
266 return frames.first();
267 }
268
263 int CallOffsetFromCodeOffset(int code_offset, bool is_interpreted) { 269 int CallOffsetFromCodeOffset(int code_offset, bool is_interpreted) {
264 // Code offset points to the instruction after the call. Subtract 1 to 270 // Code offset points to the instruction after the call. Subtract 1 to
265 // exclude that instruction from the search. For bytecode, the code offset 271 // exclude that instruction from the search. For bytecode, the code offset
266 // still points to the call. 272 // still points to the call.
267 return is_interpreted ? code_offset : code_offset - 1; 273 return is_interpreted ? code_offset : code_offset - 1;
268 } 274 }
269 275
270 BreakLocation BreakLocation::FromFrame(Handle<DebugInfo> debug_info, 276 BreakLocation BreakLocation::FromFrame(Handle<DebugInfo> debug_info,
271 JavaScriptFrame* frame) { 277 JavaScriptFrame* frame) {
272 FrameSummary summary = FrameSummary::GetFirst(frame); 278 FrameSummary summary = GetFirstFrameSummary(frame);
273 int call_offset = 279 int call_offset =
274 CallOffsetFromCodeOffset(summary.code_offset(), frame->is_interpreted()); 280 CallOffsetFromCodeOffset(summary.code_offset(), frame->is_interpreted());
275 return FromCodeOffset(debug_info, call_offset); 281 return FromCodeOffset(debug_info, call_offset);
276 } 282 }
277 283
278 void BreakLocation::AllForStatementPosition(Handle<DebugInfo> debug_info, 284 void BreakLocation::AllForStatementPosition(Handle<DebugInfo> debug_info,
279 int statement_position, 285 int statement_position,
280 List<BreakLocation>* result_out) { 286 List<BreakLocation>* result_out) {
281 for (base::SmartPointer<Iterator> it(GetIterator(debug_info)); !it->Done(); 287 for (base::SmartPointer<Iterator> it(GetIterator(debug_info)); !it->Done();
282 it->Next()) { 288 it->Next()) {
(...skipping 335 matching lines...) Expand 10 before | Expand all | Expand 10 after
618 if (current_fp < target_fp) return; 624 if (current_fp < target_fp) return;
619 step_break = true; 625 step_break = true;
620 break; 626 break;
621 case StepNext: 627 case StepNext:
622 // Step next should not break in a deeper frame. 628 // Step next should not break in a deeper frame.
623 if (current_fp < target_fp) return; 629 if (current_fp < target_fp) return;
624 // For step-next, a tail call is like a return and should break. 630 // For step-next, a tail call is like a return and should break.
625 step_break = location.IsTailCall(); 631 step_break = location.IsTailCall();
626 // Fall through. 632 // Fall through.
627 case StepIn: { 633 case StepIn: {
628 FrameSummary summary = FrameSummary::GetFirst(frame); 634 FrameSummary summary = GetFirstFrameSummary(frame);
629 int offset = summary.code_offset(); 635 int offset = summary.code_offset();
630 step_break = step_break || location.IsReturn() || 636 step_break = step_break || location.IsReturn() ||
631 (current_fp != last_fp) || 637 (current_fp != last_fp) ||
632 (thread_local_.last_statement_position_ != 638 (thread_local_.last_statement_position_ !=
633 location.abstract_code()->SourceStatementPosition(offset)); 639 location.abstract_code()->SourceStatementPosition(offset));
634 break; 640 break;
635 } 641 }
636 case StepFrame: 642 case StepFrame:
637 step_break = current_fp != last_fp; 643 step_break = current_fp != last_fp;
638 break; 644 break;
(...skipping 359 matching lines...) Expand 10 before | Expand all | Expand 10 after
998 // Step out: Find the calling JavaScript frame and flood it with 1004 // Step out: Find the calling JavaScript frame and flood it with
999 // breakpoints. 1005 // breakpoints.
1000 frames_it.Advance(); 1006 frames_it.Advance();
1001 // Fill the function to return to with one-shot break points. 1007 // Fill the function to return to with one-shot break points.
1002 JSFunction* function = frames_it.frame()->function(); 1008 JSFunction* function = frames_it.frame()->function();
1003 FloodWithOneShot(Handle<JSFunction>(function)); 1009 FloodWithOneShot(Handle<JSFunction>(function));
1004 return; 1010 return;
1005 } 1011 }
1006 1012
1007 // Get the debug info (create it if it does not exist). 1013 // Get the debug info (create it if it does not exist).
1008 FrameSummary summary = FrameSummary::GetFirst(frame); 1014 FrameSummary summary = GetFirstFrameSummary(frame);
1009 Handle<JSFunction> function(summary.function()); 1015 Handle<JSFunction> function(summary.function());
1010 Handle<SharedFunctionInfo> shared(function->shared()); 1016 Handle<SharedFunctionInfo> shared(function->shared());
1011 if (!EnsureDebugInfo(shared, function)) { 1017 if (!EnsureDebugInfo(shared, function)) {
1012 // Return if ensuring debug info failed. 1018 // Return if ensuring debug info failed.
1013 return; 1019 return;
1014 } 1020 }
1015 1021
1016 Handle<DebugInfo> debug_info(shared->GetDebugInfo()); 1022 Handle<DebugInfo> debug_info(shared->GetDebugInfo());
1017 // Refresh frame summary if the code has been recompiled for debugging. 1023 // Refresh frame summary if the code has been recompiled for debugging.
1018 if (AbstractCode::cast(shared->code()) != *summary.abstract_code()) { 1024 if (AbstractCode::cast(shared->code()) != *summary.abstract_code()) {
1019 summary = FrameSummary::GetFirst(frame); 1025 summary = GetFirstFrameSummary(frame);
1020 } 1026 }
1021 1027
1022 int call_offset = 1028 int call_offset =
1023 CallOffsetFromCodeOffset(summary.code_offset(), frame->is_interpreted()); 1029 CallOffsetFromCodeOffset(summary.code_offset(), frame->is_interpreted());
1024 BreakLocation location = 1030 BreakLocation location =
1025 BreakLocation::FromCodeOffset(debug_info, call_offset); 1031 BreakLocation::FromCodeOffset(debug_info, call_offset);
1026 1032
1027 // Any step at a return is a step-out. 1033 // Any step at a return is a step-out.
1028 if (location.IsReturn()) step_action = StepOut; 1034 if (location.IsReturn()) step_action = StepOut;
1029 // A step-next at a tail call is a step-out. 1035 // A step-next at a tail call is a step-out.
(...skipping 561 matching lines...) Expand 10 before | Expand all | Expand 10 after
1591 HandleScope scope(isolate_); 1597 HandleScope scope(isolate_);
1592 1598
1593 // Get the executing function in which the debug break occurred. 1599 // Get the executing function in which the debug break occurred.
1594 Handle<JSFunction> function(JSFunction::cast(frame->function())); 1600 Handle<JSFunction> function(JSFunction::cast(frame->function()));
1595 Handle<SharedFunctionInfo> shared(function->shared()); 1601 Handle<SharedFunctionInfo> shared(function->shared());
1596 1602
1597 // With no debug info there are no break points, so we can't be at a return. 1603 // With no debug info there are no break points, so we can't be at a return.
1598 if (!shared->HasDebugInfo()) return false; 1604 if (!shared->HasDebugInfo()) return false;
1599 1605
1600 DCHECK(!frame->is_optimized()); 1606 DCHECK(!frame->is_optimized());
1601 FrameSummary summary = FrameSummary::GetFirst(frame); 1607 FrameSummary summary = GetFirstFrameSummary(frame);
1602 1608
1603 Handle<DebugInfo> debug_info(shared->GetDebugInfo()); 1609 Handle<DebugInfo> debug_info(shared->GetDebugInfo());
1604 BreakLocation location = 1610 BreakLocation location =
1605 BreakLocation::FromCodeOffset(debug_info, summary.code_offset()); 1611 BreakLocation::FromCodeOffset(debug_info, summary.code_offset());
1606 return location.IsReturn() || location.IsTailCall(); 1612 return location.IsReturn() || location.IsTailCall();
1607 } 1613 }
1608 1614
1609 1615
1610 void Debug::FramesHaveBeenDropped(StackFrame::Id new_break_frame_id, 1616 void Debug::FramesHaveBeenDropped(StackFrame::Id new_break_frame_id,
1611 LiveEdit::FrameDropMode mode) { 1617 LiveEdit::FrameDropMode mode) {
(...skipping 31 matching lines...) Expand 10 before | Expand all | Expand 10 after
1643 Script* script; 1649 Script* script;
1644 while ((script = iterator.Next())) { 1650 while ((script = iterator.Next())) {
1645 if (script->HasValidSource()) results->set(length++, script); 1651 if (script->HasValidSource()) results->set(length++, script);
1646 } 1652 }
1647 } 1653 }
1648 results->Shrink(length); 1654 results->Shrink(length);
1649 return results; 1655 return results;
1650 } 1656 }
1651 1657
1652 1658
1659 void Debug::RecordEvalCaller(Handle<Script> script) {
1660 script->set_compilation_type(Script::COMPILATION_TYPE_EVAL);
1661 // For eval scripts add information on the function from which eval was
1662 // called.
1663 StackTraceFrameIterator it(script->GetIsolate());
1664 if (!it.done()) {
1665 script->set_eval_from_shared(it.frame()->function()->shared());
1666 Code* code = it.frame()->LookupCode();
1667 int offset = static_cast<int>(
1668 it.frame()->pc() - code->instruction_start());
1669 script->set_eval_from_instructions_offset(offset);
1670 }
1671 }
1672
1673
1653 MaybeHandle<Object> Debug::MakeExecutionState() { 1674 MaybeHandle<Object> Debug::MakeExecutionState() {
1654 // Create the execution state object. 1675 // Create the execution state object.
1655 Handle<Object> argv[] = { isolate_->factory()->NewNumberFromInt(break_id()) }; 1676 Handle<Object> argv[] = { isolate_->factory()->NewNumberFromInt(break_id()) };
1656 return CallFunction("MakeExecutionState", arraysize(argv), argv); 1677 return CallFunction("MakeExecutionState", arraysize(argv), argv);
1657 } 1678 }
1658 1679
1659 1680
1660 MaybeHandle<Object> Debug::MakeBreakEvent(Handle<Object> break_points_hit) { 1681 MaybeHandle<Object> Debug::MakeBreakEvent(Handle<Object> break_points_hit) {
1661 // Create the new break event object. 1682 // Create the new break event object.
1662 Handle<Object> argv[] = { isolate_->factory()->NewNumberFromInt(break_id()), 1683 Handle<Object> argv[] = { isolate_->factory()->NewNumberFromInt(break_id()),
(...skipping 596 matching lines...) Expand 10 before | Expand all | Expand 10 after
2259 OnDebugBreak(isolate_->factory()->undefined_value(), debug_command_only); 2280 OnDebugBreak(isolate_->factory()->undefined_value(), debug_command_only);
2260 } 2281 }
2261 2282
2262 #ifdef DEBUG 2283 #ifdef DEBUG
2263 void Debug::PrintBreakLocation() { 2284 void Debug::PrintBreakLocation() {
2264 if (!FLAG_print_break_location) return; 2285 if (!FLAG_print_break_location) return;
2265 HandleScope scope(isolate_); 2286 HandleScope scope(isolate_);
2266 JavaScriptFrameIterator iterator(isolate_); 2287 JavaScriptFrameIterator iterator(isolate_);
2267 if (iterator.done()) return; 2288 if (iterator.done()) return;
2268 JavaScriptFrame* frame = iterator.frame(); 2289 JavaScriptFrame* frame = iterator.frame();
2269 FrameSummary summary = FrameSummary::GetFirst(frame); 2290 FrameSummary summary = GetFirstFrameSummary(frame);
2270 int source_position = 2291 int source_position =
2271 summary.abstract_code()->SourcePosition(summary.code_offset()); 2292 summary.abstract_code()->SourcePosition(summary.code_offset());
2272 Handle<Object> script_obj(summary.function()->shared()->script(), isolate_); 2293 Handle<Object> script_obj(summary.function()->shared()->script(), isolate_);
2273 PrintF("[debug] break in function '"); 2294 PrintF("[debug] break in function '");
2274 summary.function()->PrintName(); 2295 summary.function()->PrintName();
2275 PrintF("'.\n"); 2296 PrintF("'.\n");
2276 if (script_obj->IsScript()) { 2297 if (script_obj->IsScript()) {
2277 Handle<Script> script = Handle<Script>::cast(script_obj); 2298 Handle<Script> script = Handle<Script>::cast(script_obj);
2278 Handle<String> source(String::cast(script->source())); 2299 Handle<String> source(String::cast(script->source()));
2279 Script::InitLineEnds(script); 2300 Script::InitLineEnds(script);
(...skipping 323 matching lines...) Expand 10 before | Expand all | Expand 10 after
2603 } 2624 }
2604 2625
2605 2626
2606 void LockingCommandMessageQueue::Clear() { 2627 void LockingCommandMessageQueue::Clear() {
2607 base::LockGuard<base::Mutex> lock_guard(&mutex_); 2628 base::LockGuard<base::Mutex> lock_guard(&mutex_);
2608 queue_.Clear(); 2629 queue_.Clear();
2609 } 2630 }
2610 2631
2611 } // namespace internal 2632 } // namespace internal
2612 } // namespace v8 2633 } // namespace v8
OLDNEW
« no previous file with comments | « src/debug/debug.h ('k') | src/debug/debug-evaluate.cc » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698