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Issue 1146963002: Add %GetCallerJSFunction intrinsic (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Review feedback Created 5 years, 6 months ago
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1 // Copyright 2014 the V8 project authors. All rights reserved. 1 // Copyright 2014 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/v8.h" 5 #include "src/v8.h"
6 6
7 #include "src/arguments.h" 7 #include "src/arguments.h"
8 #include "src/bootstrapper.h" 8 #include "src/bootstrapper.h"
9 #include "src/debug.h" 9 #include "src/debug.h"
10 #include "src/messages.h" 10 #include "src/messages.h"
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409 return isolate->heap()->ToBoolean(FLAG_harmony_tostring); 409 return isolate->heap()->ToBoolean(FLAG_harmony_tostring);
410 } 410 }
411 411
412 412
413 RUNTIME_FUNCTION(Runtime_GetTypeFeedbackVector) { 413 RUNTIME_FUNCTION(Runtime_GetTypeFeedbackVector) {
414 SealHandleScope shs(isolate); 414 SealHandleScope shs(isolate);
415 DCHECK(args.length() == 1); 415 DCHECK(args.length() == 1);
416 CONVERT_ARG_CHECKED(JSFunction, function, 0); 416 CONVERT_ARG_CHECKED(JSFunction, function, 0);
417 return function->shared()->feedback_vector(); 417 return function->shared()->feedback_vector();
418 } 418 }
419
420
421 RUNTIME_FUNCTION(Runtime_GetCallerJSFunction) {
422 SealHandleScope shs(isolate);
423 StackFrameIterator it(isolate);
424 RUNTIME_ASSERT(it.frame()->type() == StackFrame::STUB);
425 it.Advance();
426 RUNTIME_ASSERT(it.frame()->type() == StackFrame::JAVA_SCRIPT);
427 return JavaScriptFrame::cast(it.frame())->function();
428 }
419 } // namespace internal 429 } // namespace internal
420 } // namespace v8 430 } // namespace v8
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