| 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);
|
|
|