Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(88)

Unified Diff: src/arm/macro-assembler-arm.cc

Issue 16286016: Notify CPU profiler when calling native getters (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Removed check that pthread_kill always succeeds Created 7 years, 6 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 side-by-side diff with in-line comments
Download patch
« no previous file with comments | « src/arm/macro-assembler-arm.h ('k') | src/arm/simulator-arm.cc » ('j') | no next file with comments »
Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
Index: src/arm/macro-assembler-arm.cc
diff --git a/src/arm/macro-assembler-arm.cc b/src/arm/macro-assembler-arm.cc
index 4b6eac2974c1b6cdd11d017b5989e29ea678a56f..81a2d37643d2b018ae16d817559e0e9a0063214d 100644
--- a/src/arm/macro-assembler-arm.cc
+++ b/src/arm/macro-assembler-arm.cc
@@ -2244,6 +2244,9 @@ static int AddressOffset(ExternalReference ref0, ExternalReference ref1) {
void MacroAssembler::CallApiFunctionAndReturn(ExternalReference function,
+ Address function_address,
+ ExternalReference thunk_ref,
+ Register thunk_last_arg,
int stack_space,
bool returns_handle,
int return_value_offset) {
@@ -2274,11 +2277,31 @@ void MacroAssembler::CallApiFunctionAndReturn(ExternalReference function,
PopSafepointRegisters();
}
+ ASSERT(!thunk_last_arg.is(r3));
+ Label profiler_disabled;
+ Label end_profiler_check;
+ bool* is_profiling_flag =
+ isolate()->cpu_profiler()->is_profiling_address();
+ STATIC_ASSERT(sizeof(*is_profiling_flag) == 1);
+ mov(r3, Operand(reinterpret_cast<int32_t>(is_profiling_flag)));
+ ldrb(r3, MemOperand(r3, 0));
+ cmp(r3, Operand(0));
+ b(eq, &profiler_disabled);
+
+ // Additional parameter is the address of the actual callback.
+ mov(thunk_last_arg, Operand(reinterpret_cast<int32_t>(function_address)));
+ mov(r3, Operand(thunk_ref));
+ jmp(&end_profiler_check);
+
+ bind(&profiler_disabled);
+ mov(r3, Operand(function));
+ bind(&end_profiler_check);
+
// Native call returns to the DirectCEntry stub which redirects to the
// return address pushed on stack (could have moved after GC).
// DirectCEntry stub itself is generated early and never moves.
DirectCEntryStub stub;
- stub.GenerateCall(this, function);
+ stub.GenerateCall(this, r3);
if (FLAG_log_timer_events) {
FrameScope frame(this, StackFrame::MANUAL);
« no previous file with comments | « src/arm/macro-assembler-arm.h ('k') | src/arm/simulator-arm.cc » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698