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Unified Diff: src/runtime/runtime-internal.cc

Issue 1146963002: Add %GetCallerJSFunction intrinsic (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Tweaks Created 5 years, 7 months ago
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« src/runtime/runtime.h ('K') | « src/runtime/runtime.h ('k') | test/mjsunit/get-caller-js-function.js » ('j') | test/mjsunit/get-caller-js-function.js » ('J')
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Index: src/runtime/runtime-internal.cc
diff --git a/src/runtime/runtime-internal.cc b/src/runtime/runtime-internal.cc
index e0e583e4021122d75999f9c1de54b5c08da14c00..1c1495ca1f9eb92f96e92ca03dc9113f8f718c76 100644
--- a/src/runtime/runtime-internal.cc
+++ b/src/runtime/runtime-internal.cc
@@ -416,5 +416,19 @@ RUNTIME_FUNCTION(Runtime_GetTypeFeedbackVector) {
CONVERT_ARG_CHECKED(JSFunction, function, 0);
return function->shared()->feedback_vector();
}
+
+
+RUNTIME_FUNCTION(Runtime_GetCallerJSFunction) {
+ SealHandleScope shs(isolate);
+ StackFrameIterator it(isolate);
+ if (it.frame()->type() != StackFrame::STUB) {
Michael Starzinger 2015/06/05 11:21:56 nit: Let's use RUNTIME_ASSERT(it.frame()->type() =
danno 2015/06/05 11:49:59 Done.
+ return isolate->ThrowIllegalOperation();
+ }
+ it.Advance();
+ if (it.frame()->type() != StackFrame::JAVA_SCRIPT) {
Michael Starzinger 2015/06/05 11:21:56 nit: Let's use RUNTIME_ASSERT(it.frame()->type() =
danno 2015/06/05 11:49:59 Done.
+ return isolate->ThrowIllegalOperation();
+ }
+ return JavaScriptFrame::cast(it.frame())->function();
+}
} // namespace internal
} // namespace v8
« src/runtime/runtime.h ('K') | « src/runtime/runtime.h ('k') | test/mjsunit/get-caller-js-function.js » ('j') | test/mjsunit/get-caller-js-function.js » ('J')

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