Index: src/builtins/arm/builtins-arm.cc |
diff --git a/src/builtins/arm/builtins-arm.cc b/src/builtins/arm/builtins-arm.cc |
index d3ed62ac1b53adec3a99046e61b1f10720db0b52..a2f72fc588c5603721f1712faca5e4e7359b1d01 100644 |
--- a/src/builtins/arm/builtins-arm.cc |
+++ b/src/builtins/arm/builtins-arm.cc |
@@ -1162,15 +1162,33 @@ void Builtins::Generate_InterpreterMarkBaselineOnReturn(MacroAssembler* masm) { |
__ Jump(lr); |
} |
+static void Generate_StackOverflowCheck(MacroAssembler* masm, Register num_args, |
+ Register scratch, |
+ Label* stack_overflow) { |
+ // Check the stack for overflow. We are not trying to catch |
+ // interruptions (e.g. debug break and preemption) here, so the "real stack |
+ // limit" is checked. |
+ __ LoadRoot(scratch, Heap::kRealStackLimitRootIndex); |
+ // Make scratch the space we have left. The stack might already be overflowed |
+ // here which will cause scratch to become negative. |
+ __ sub(scratch, sp, scratch); |
+ // Check if the arguments will overflow the stack. |
+ __ cmp(scratch, Operand(num_args, LSL, kPointerSizeLog2)); |
+ __ b(le, stack_overflow); // Signed comparison. |
+} |
+ |
static void Generate_InterpreterPushArgs(MacroAssembler* masm, |
Register num_args, Register index, |
- Register limit, Register scratch) { |
+ Register limit, Register scratch, |
+ Label* stack_overflow) { |
+ // Add a stack check before pushing arguments. |
+ Generate_StackOverflowCheck(masm, num_args, scratch, stack_overflow); |
+ |
// Find the address of the last argument. |
__ mov(limit, num_args); |
__ mov(limit, Operand(limit, LSL, kPointerSizeLog2)); |
__ sub(limit, index, limit); |
- // TODO(mythria): Add a stack check before pushing arguments. |
Label loop_header, loop_check; |
__ b(al, &loop_check); |
__ bind(&loop_header); |
@@ -1192,11 +1210,12 @@ void Builtins::Generate_InterpreterPushArgsAndCallImpl( |
// they are to be pushed onto the stack. |
// -- r1 : the target to call (can be any Object). |
// ----------------------------------- |
+ Label stack_overflow; |
__ add(r3, r0, Operand(1)); // Add one for receiver. |
// Push the arguments. r2, r4, r5 will be modified. |
- Generate_InterpreterPushArgs(masm, r3, r2, r4, r5); |
+ Generate_InterpreterPushArgs(masm, r3, r2, r4, r5, &stack_overflow); |
// Call the target. |
if (function_type == CallableType::kJSFunction) { |
@@ -1209,6 +1228,13 @@ void Builtins::Generate_InterpreterPushArgsAndCallImpl( |
tail_call_mode), |
RelocInfo::CODE_TARGET); |
} |
+ |
+ __ bind(&stack_overflow); |
+ { |
+ __ TailCallRuntime(Runtime::kThrowStackOverflow); |
+ // Unreachable code. |
+ __ bkpt(0); |
+ } |
} |
// static |
@@ -1221,14 +1247,14 @@ void Builtins::Generate_InterpreterPushArgsAndConstructImpl( |
// -- r2 : allocation site feedback if available, undefined otherwise. |
// -- r4 : address of the first argument |
// ----------------------------------- |
+ Label stack_overflow; |
// Push a slot for the receiver to be constructed. |
__ mov(ip, Operand::Zero()); |
__ push(ip); |
- // TODO(mythria): Add a stack check before pushing arguments. |
// Push the arguments. r5, r4, r6 will be modified. |
- Generate_InterpreterPushArgs(masm, r0, r4, r5, r6); |
+ Generate_InterpreterPushArgs(masm, r0, r4, r5, r6, &stack_overflow); |
__ AssertUndefinedOrAllocationSite(r2, r5); |
if (construct_type == CallableType::kJSFunction) { |
@@ -1246,6 +1272,13 @@ void Builtins::Generate_InterpreterPushArgsAndConstructImpl( |
// Call the constructor with r0, r1, and r3 unmodified. |
__ Jump(masm->isolate()->builtins()->Construct(), RelocInfo::CODE_TARGET); |
} |
+ |
+ __ bind(&stack_overflow); |
+ { |
+ __ TailCallRuntime(Runtime::kThrowStackOverflow); |
+ // Unreachable code. |
+ __ bkpt(0); |
+ } |
} |
// static |
@@ -1257,18 +1290,26 @@ void Builtins::Generate_InterpreterPushArgsAndConstructArray( |
// -- r2 : allocation site feedback if available, undefined otherwise. |
// -- r3 : address of the first argument |
// ----------------------------------- |
+ Label stack_overflow; |
__ add(r4, r0, Operand(1)); // Add one for receiver. |
// TODO(mythria): Add a stack check before pushing arguments. |
// Push the arguments. r3, r5, r6 will be modified. |
- Generate_InterpreterPushArgs(masm, r4, r3, r5, r6); |
+ Generate_InterpreterPushArgs(masm, r4, r3, r5, r6, &stack_overflow); |
// Array constructor expects constructor in r3. It is same as r1 here. |
__ mov(r3, r1); |
ArrayConstructorStub stub(masm->isolate()); |
__ TailCallStub(&stub); |
+ |
+ __ bind(&stack_overflow); |
+ { |
+ __ TailCallRuntime(Runtime::kThrowStackOverflow); |
+ // Unreachable code. |
+ __ bkpt(0); |
+ } |
} |
void Builtins::Generate_InterpreterEnterBytecodeDispatch(MacroAssembler* masm) { |
@@ -2151,26 +2192,6 @@ void Builtins::Generate_ReflectConstruct(MacroAssembler* masm) { |
} |
} |
-static void ArgumentAdaptorStackCheck(MacroAssembler* masm, |
- Label* stack_overflow) { |
- // ----------- S t a t e ------------- |
- // -- r0 : actual number of arguments |
- // -- r1 : function (passed through to callee) |
- // -- r2 : expected number of arguments |
- // -- r3 : new target (passed through to callee) |
- // ----------------------------------- |
- // Check the stack for overflow. We are not trying to catch |
- // interruptions (e.g. debug break and preemption) here, so the "real stack |
- // limit" is checked. |
- __ LoadRoot(r5, Heap::kRealStackLimitRootIndex); |
- // Make r5 the space we have left. The stack might already be overflowed |
- // here which will cause r5 to become negative. |
- __ sub(r5, sp, r5); |
- // Check if the arguments will overflow the stack. |
- __ cmp(r5, Operand(r2, LSL, kPointerSizeLog2)); |
- __ b(le, stack_overflow); // Signed comparison. |
-} |
- |
static void EnterArgumentsAdaptorFrame(MacroAssembler* masm) { |
__ SmiTag(r0); |
__ mov(r4, Operand(Smi::FromInt(StackFrame::ARGUMENTS_ADAPTOR))); |
@@ -2870,7 +2891,7 @@ void Builtins::Generate_ArgumentsAdaptorTrampoline(MacroAssembler* masm) { |
{ // Enough parameters: actual >= expected |
__ bind(&enough); |
EnterArgumentsAdaptorFrame(masm); |
- ArgumentAdaptorStackCheck(masm, &stack_overflow); |
+ Generate_StackOverflowCheck(masm, r2, r5, &stack_overflow); |
// Calculate copy start address into r0 and copy end address into r4. |
// r0: actual number of arguments as a smi |
@@ -2903,7 +2924,7 @@ void Builtins::Generate_ArgumentsAdaptorTrampoline(MacroAssembler* masm) { |
{ // Too few parameters: Actual < expected |
__ bind(&too_few); |
EnterArgumentsAdaptorFrame(masm); |
- ArgumentAdaptorStackCheck(masm, &stack_overflow); |
+ Generate_StackOverflowCheck(masm, r2, r5, &stack_overflow); |
// Calculate copy start address into r0 and copy end address is fp. |
// r0: actual number of arguments as a smi |