AuroraMiddleware/v8
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[gdb] Define print functions used by gdb macros in the top level namespace to make them always be available.

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This should fix the following errors that sometimes appear when using V8 gdb macros:
  Cannot evaluate function -- may be inlined
or
  No symbol "xxx" in namespace "v8::internal".

Review-Url: https://codereview.chromium.org/2186293002
Cr-Commit-Position: refs/heads/master@{#38145}
This commit is contained in:
ishell 2016-07-28 10:09:10 -07:00 committed by Commit bot
parent 70489a1be5
commit e063b7118c
2 changed files with 47 additions and 6 deletions
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41
src/objects-printer.cc
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@ -1469,3 +1469,44 @@ void JSObject::PrintTransitions(std::ostream& os) { // NOLINT
#endif // defined(DEBUG) || defined(OBJECT_PRINT)
} // namespace internal
} // namespace v8
//
// The following functions are used by our gdb macros.
//
extern void _v8_internal_Print_Object(void* object) {
reinterpret_cast<i::Object*>(object)->Print();
}
extern void _v8_internal_Print_Code(void* object) {
i::Isolate* isolate = i::Isolate::Current();
isolate->FindCodeObject(reinterpret_cast<i::Address>(object))->Print();
}
extern void _v8_internal_Print_TypeFeedbackVector(void* object) {
if (reinterpret_cast<i::Object*>(object)->IsSmi()) {
printf("Not a type feedback vector\n");
} else {
reinterpret_cast<i::TypeFeedbackVector*>(object)->Print();
}
}
extern void _v8_internal_Print_DescriptorArray(void* object) {
if (reinterpret_cast<i::Object*>(object)->IsSmi()) {
printf("Not a descriptor array\n");
} else {
reinterpret_cast<i::DescriptorArray*>(object)->Print();
}
}
extern void _v8_internal_Print_TransitionArray(void* object) {
if (reinterpret_cast<i::Object*>(object)->IsSmi()) {
printf("Not a transition array\n");
} else {
reinterpret_cast<i::TransitionArray*>(object)->Print();
}
}
extern void _v8_internal_Print_StackTrace() {
i::Isolate* isolate = i::Isolate::Current();
isolate->PrintStack(stdout);
}

12
tools/gdbinit
View File

@ -4,7 +4,7 @@
# Print HeapObjects.
define job
print ((v8::internal::HeapObject*)($arg0))->Print()
call _v8_internal_Print_Object((void*)($arg0))
end
document job
Print a v8 JavaScript object
@ -13,7 +13,7 @@ end
# Print Code objects containing given PC.
define jco
job (v8::internal::Isolate::Current()->FindCodeObject((v8::internal::Address)$arg0))
call _v8_internal_Print_Code((void*)($arg0))
end
document jco
Print a v8 Code object from an internal code address
@ -22,7 +22,7 @@ end
# Print TypeFeedbackVector
define jfv
print ((v8::internal::TypeFeedbackVector*)($arg0))->Print()
call _v8_internal_Print_TypeFeedbackVector((void*)($arg0))
end
document jfv
Print a v8 TypeFeedbackVector object
@ -31,7 +31,7 @@ end
# Print DescriptorArray.
define jda
print ((v8::internal::DescriptorArray*)($arg0))->Print()
call _v8_internal_Print_DescriptorArray((void*)($arg0))
end
document jda
Print a v8 DescriptorArray object
@ -40,7 +40,7 @@ end
# Print TransitionArray.
define jta
print ((v8::internal::TransitionArray*)($arg0))->Print()
call _v8_internal_Print_TransitionArray((void*)($arg0))
end
document jta
Print a v8 TransitionArray object
@ -49,7 +49,7 @@ end
# Print JavaScript stack trace.
define jst
print v8::internal::Isolate::Current()->PrintStack((FILE*) stdout, 1)
call _v8_internal_Print_StackTrace()
end
document jst
Print the current JavaScript stack trace