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Issue 1633633002: [Interpreter] Fix deopting from inline functions. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Rebase Created 4 years, 10 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 "src/isolate.h" 5 #include "src/isolate.h"
6 6
7 #include <stdlib.h> 7 #include <stdlib.h>
8 8
9 #include <fstream> // NOLINT(readability/streams) 9 #include <fstream> // NOLINT(readability/streams)
10 #include <sstream> 10 #include <sstream>
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1122 int stack_slots = 0; // Will contain stack slot count of frame. 1122 int stack_slots = 0; // Will contain stack slot count of frame.
1123 offset = js_frame->LookupExceptionHandlerInTable(&stack_slots, NULL); 1123 offset = js_frame->LookupExceptionHandlerInTable(&stack_slots, NULL);
1124 if (offset >= 0) { 1124 if (offset >= 0) {
1125 // Patch the bytecode offset in the interpreted frame to reflect the 1125 // Patch the bytecode offset in the interpreted frame to reflect the
1126 // position of the exception handler. The special builtin below will 1126 // position of the exception handler. The special builtin below will
1127 // take care of continuing to dispatch at that position. 1127 // take care of continuing to dispatch at that position.
1128 js_frame->PatchBytecodeOffset(static_cast<int>(offset)); 1128 js_frame->PatchBytecodeOffset(static_cast<int>(offset));
1129 offset = 0; 1129 offset = 0;
1130 1130
1131 // Gather information from the frame. 1131 // Gather information from the frame.
1132 code = *builtins()->InterpreterEnterExceptionHandler(); 1132 code = *builtins()->InterpreterEnterBytecodeDispatch();
1133 handler_sp = frame->sp(); 1133 handler_sp = frame->sp();
1134 handler_fp = frame->fp(); 1134 handler_fp = frame->fp();
1135 break; 1135 break;
1136 } 1136 }
1137 } 1137 }
1138 1138
1139 // For JavaScript frames we perform a range lookup in the handler table. 1139 // For JavaScript frames we perform a range lookup in the handler table.
1140 if (frame->is_java_script() && catchable_by_js) { 1140 if (frame->is_java_script() && catchable_by_js) {
1141 JavaScriptFrame* js_frame = static_cast<JavaScriptFrame*>(frame); 1141 JavaScriptFrame* js_frame = static_cast<JavaScriptFrame*>(frame);
1142 int stack_slots = 0; // Will contain operand stack depth of handler. 1142 int stack_slots = 0; // Will contain operand stack depth of handler.
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2855 // Then check whether this scope intercepts. 2855 // Then check whether this scope intercepts.
2856 if ((flag & intercept_mask_)) { 2856 if ((flag & intercept_mask_)) {
2857 intercepted_flags_ |= flag; 2857 intercepted_flags_ |= flag;
2858 return true; 2858 return true;
2859 } 2859 }
2860 return false; 2860 return false;
2861 } 2861 }
2862 2862
2863 } // namespace internal 2863 } // namespace internal
2864 } // namespace v8 2864 } // namespace v8
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