Index: src/builtins/arm64/builtins-arm64.cc |
diff --git a/src/builtins/arm64/builtins-arm64.cc b/src/builtins/arm64/builtins-arm64.cc |
index 4ec14f1b4eacbe5274a00232faed86f479e73b47..8ed0111dd6ac135e61b2627cb05026b4703781b3 100644 |
--- a/src/builtins/arm64/builtins-arm64.cc |
+++ b/src/builtins/arm64/builtins-arm64.cc |
@@ -1171,10 +1171,30 @@ void Builtins::Generate_InterpreterMarkBaselineOnReturn(MacroAssembler* masm) { |
__ Ret(); |
} |
+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. |
+ Label enough_stack_space; |
+ __ 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, jssp, scratch); |
+ // Check if the arguments will overflow the stack. |
+ __ Cmp(scratch, Operand(num_args, LSL, kPointerSizeLog2)); |
+ __ B(le, stack_overflow); |
+} |
+ |
static void Generate_InterpreterPushArgs(MacroAssembler* masm, |
Register num_args, Register index, |
Register last_arg, Register stack_addr, |
- Register scratch) { |
+ Register scratch, |
+ Label* stack_overflow) { |
+ // Add a stack check before pushing arguments. |
+ Generate_StackOverflowCheck(masm, num_args, scratch, stack_overflow); |
+ |
__ Mov(scratch, num_args); |
__ lsl(scratch, scratch, kPointerSizeLog2); |
__ sub(last_arg, index, scratch); |
@@ -1183,7 +1203,6 @@ static void Generate_InterpreterPushArgs(MacroAssembler* masm, |
__ Mov(stack_addr, jssp); |
__ Claim(scratch, 1); |
- // TODO(mythria): Add a stack check before pushing arguments. |
// Push the arguments. |
Label loop_header, loop_check; |
__ B(&loop_check); |
@@ -1207,12 +1226,13 @@ void Builtins::Generate_InterpreterPushArgsAndCallImpl( |
// they are to be pushed onto the stack. |
// -- x1 : the target to call (can be any Object). |
// ----------------------------------- |
+ Label stack_overflow; |
// Add one for the receiver. |
__ add(x3, x0, Operand(1)); |
// Push the arguments. x2, x4, x5, x6 will be modified. |
- Generate_InterpreterPushArgs(masm, x3, x2, x4, x5, x6); |
+ Generate_InterpreterPushArgs(masm, x3, x2, x4, x5, x6, &stack_overflow); |
// Call the target. |
if (function_type == CallableType::kJSFunction) { |
@@ -1225,6 +1245,12 @@ void Builtins::Generate_InterpreterPushArgsAndCallImpl( |
tail_call_mode), |
RelocInfo::CODE_TARGET); |
} |
+ |
+ __ bind(&stack_overflow); |
+ { |
+ __ TailCallRuntime(Runtime::kThrowStackOverflow); |
+ __ Unreachable(); |
+ } |
} |
// static |
@@ -1237,12 +1263,13 @@ void Builtins::Generate_InterpreterPushArgsAndConstructImpl( |
// -- x2 : allocation site feedback if available, undefined otherwise |
// -- x4 : address of the first argument |
// ----------------------------------- |
+ Label stack_overflow; |
// Push a slot for the receiver. |
__ Push(xzr); |
// Push the arguments. x5, x4, x6, x7 will be modified. |
- Generate_InterpreterPushArgs(masm, x0, x4, x5, x6, x7); |
+ Generate_InterpreterPushArgs(masm, x0, x4, x5, x6, x7, &stack_overflow); |
__ AssertUndefinedOrAllocationSite(x2, x6); |
if (construct_type == CallableType::kJSFunction) { |
@@ -1259,6 +1286,12 @@ void Builtins::Generate_InterpreterPushArgsAndConstructImpl( |
// Call the constructor with x0, x1, and x3 unmodified. |
__ Jump(masm->isolate()->builtins()->Construct(), RelocInfo::CODE_TARGET); |
} |
+ |
+ __ bind(&stack_overflow); |
+ { |
+ __ TailCallRuntime(Runtime::kThrowStackOverflow); |
+ __ Unreachable(); |
+ } |
} |
// static |
@@ -1270,17 +1303,24 @@ void Builtins::Generate_InterpreterPushArgsAndConstructArray( |
// -- x2 : allocation site feedback if available, undefined otherwise. |
// -- x3 : address of the first argument |
// ----------------------------------- |
+ Label stack_overflow; |
__ add(x4, x0, Operand(1)); // Add one for the receiver. |
// Push the arguments. x3, x5, x6, x7 will be modified. |
- Generate_InterpreterPushArgs(masm, x4, x3, x5, x6, x7); |
+ Generate_InterpreterPushArgs(masm, x4, x3, x5, x6, x7, &stack_overflow); |
// Array constructor expects constructor in x3. It is same as call target. |
__ mov(x3, x1); |
ArrayConstructorStub stub(masm->isolate()); |
__ TailCallStub(&stub); |
+ |
+ __ bind(&stack_overflow); |
+ { |
+ __ TailCallRuntime(Runtime::kThrowStackOverflow); |
+ __ Unreachable(); |
+ } |
} |
void Builtins::Generate_InterpreterEnterBytecodeDispatch(MacroAssembler* masm) { |
@@ -2205,27 +2245,6 @@ void Builtins::Generate_ReflectConstruct(MacroAssembler* masm) { |
} |
} |
-static void ArgumentAdaptorStackCheck(MacroAssembler* masm, |
- Label* stack_overflow) { |
- // ----------- S t a t e ------------- |
- // -- x0 : actual number of arguments |
- // -- x1 : function (passed through to callee) |
- // -- x2 : expected number of arguments |
- // -- x3 : 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. |
- Label enough_stack_space; |
- __ LoadRoot(x10, Heap::kRealStackLimitRootIndex); |
- // Make x10 the space we have left. The stack might already be overflowed |
- // here which will cause x10 to become negative. |
- __ Sub(x10, jssp, x10); |
- // Check if the arguments will overflow the stack. |
- __ Cmp(x10, Operand(x2, LSL, kPointerSizeLog2)); |
- __ B(le, stack_overflow); |
-} |
- |
static void EnterArgumentsAdaptorFrame(MacroAssembler* masm) { |
__ SmiTag(x10, x0); |
__ Mov(x11, Smi::FromInt(StackFrame::ARGUMENTS_ADAPTOR)); |
@@ -2960,7 +2979,7 @@ void Builtins::Generate_ArgumentsAdaptorTrampoline(MacroAssembler* masm) { |
{ // Enough parameters: actual >= expected |
EnterArgumentsAdaptorFrame(masm); |
- ArgumentAdaptorStackCheck(masm, &stack_overflow); |
+ Generate_StackOverflowCheck(masm, x2, x10, &stack_overflow); |
Register copy_start = x10; |
Register copy_end = x11; |
@@ -3007,7 +3026,7 @@ void Builtins::Generate_ArgumentsAdaptorTrampoline(MacroAssembler* masm) { |
Register scratch1 = x13, scratch2 = x14; |
EnterArgumentsAdaptorFrame(masm); |
- ArgumentAdaptorStackCheck(masm, &stack_overflow); |
+ Generate_StackOverflowCheck(masm, x2, x10, &stack_overflow); |
__ Lsl(scratch2, argc_expected, kPointerSizeLog2); |
__ Lsl(argc_actual, argc_actual, kPointerSizeLog2); |