Index: src/arm/code-stubs-arm.cc |
diff --git a/src/arm/code-stubs-arm.cc b/src/arm/code-stubs-arm.cc |
index d418c309622cf6857ad377fb50e57e8506a40f88..73a230e466e315ee01a80b2c48fad5858e3d04ee 100644 |
--- a/src/arm/code-stubs-arm.cc |
+++ b/src/arm/code-stubs-arm.cc |
@@ -4639,20 +4639,20 @@ void FastNewRestParameterStub::Generate(MacroAssembler* masm) { |
// ----------------------------------- |
__ AssertFunction(r1); |
- // For Ignition we need to skip all possible handler/stub frames until |
- // we reach the JavaScript frame for the function (similar to what the |
- // runtime fallback implementation does). So make r2 point to that |
- // JavaScript frame. |
- { |
- Label loop, loop_entry; |
- __ mov(r2, fp); |
- __ b(&loop_entry); |
- __ bind(&loop); |
+ // Make r2 point to the JavaScript frame. |
+ __ mov(r2, fp); |
+ if (skip_stub_frame()) { |
+ // For Ignition we need to skip the handler/stub frame to reach the |
+ // JavaScript frame for the function. |
__ ldr(r2, MemOperand(r2, StandardFrameConstants::kCallerFPOffset)); |
- __ bind(&loop_entry); |
+ } |
+ if (FLAG_debug_code) { |
+ Label ok; |
__ ldr(ip, MemOperand(r2, StandardFrameConstants::kFunctionOffset)); |
__ cmp(ip, r1); |
- __ b(ne, &loop); |
+ __ b(eq, &ok); |
+ __ Abort(kInvalidFrameForFastNewRestArgumentsStub); |
+ __ bind(&ok); |
} |
// Check if we have rest parameters (only possible if we have an |
@@ -4781,20 +4781,20 @@ void FastNewSloppyArgumentsStub::Generate(MacroAssembler* masm) { |
// ----------------------------------- |
__ AssertFunction(r1); |
- // For Ignition we need to skip all possible handler/stub frames until |
- // we reach the JavaScript frame for the function (similar to what the |
- // runtime fallback implementation does). So make r9 point to that |
- // JavaScript frame. |
- { |
- Label loop, loop_entry; |
- __ mov(r9, fp); |
- __ b(&loop_entry); |
- __ bind(&loop); |
+ // Make r9 point to the JavaScript frame. |
+ __ mov(r9, fp); |
+ if (skip_stub_frame()) { |
+ // For Ignition we need to skip the handler/stub frame to reach the |
+ // JavaScript frame for the function. |
__ ldr(r9, MemOperand(r9, StandardFrameConstants::kCallerFPOffset)); |
- __ bind(&loop_entry); |
+ } |
+ if (FLAG_debug_code) { |
+ Label ok; |
__ ldr(ip, MemOperand(r9, StandardFrameConstants::kFunctionOffset)); |
__ cmp(ip, r1); |
- __ b(ne, &loop); |
+ __ b(eq, &ok); |
+ __ Abort(kInvalidFrameForFastNewRestArgumentsStub); |
+ __ bind(&ok); |
} |
// TODO(bmeurer): Cleanup to match the FastNewStrictArgumentsStub. |
@@ -5003,20 +5003,20 @@ void FastNewStrictArgumentsStub::Generate(MacroAssembler* masm) { |
// ----------------------------------- |
__ AssertFunction(r1); |
- // For Ignition we need to skip all possible handler/stub frames until |
- // we reach the JavaScript frame for the function (similar to what the |
- // runtime fallback implementation does). So make r2 point to that |
- // JavaScript frame. |
- { |
- Label loop, loop_entry; |
- __ mov(r2, fp); |
- __ b(&loop_entry); |
- __ bind(&loop); |
+ // Make r2 point to the JavaScript frame. |
+ __ mov(r2, fp); |
+ if (skip_stub_frame()) { |
+ // For Ignition we need to skip the handler/stub frame to reach the |
+ // JavaScript frame for the function. |
__ ldr(r2, MemOperand(r2, StandardFrameConstants::kCallerFPOffset)); |
- __ bind(&loop_entry); |
+ } |
+ if (FLAG_debug_code) { |
+ Label ok; |
__ ldr(ip, MemOperand(r2, StandardFrameConstants::kFunctionOffset)); |
__ cmp(ip, r1); |
- __ b(ne, &loop); |
+ __ b(eq, &ok); |
+ __ Abort(kInvalidFrameForFastNewRestArgumentsStub); |
+ __ bind(&ok); |
} |
// Check if we have an arguments adaptor frame below the function frame. |