Commit 1849b47c authored by Jakob Gruber's avatar Jakob Gruber Committed by Commit Bot

[ia32,root] Make more builtins isolate-independent

This bundles a bunch of miscellaneous things to make more builtins
isolate-independent (e.g.: using tasm::Move instead of asm::mov
methods).

Drive-by: The isolate-independence whitelist was changed to a blacklist.

Bug: v8:6666
Change-Id: I7e0fbe8bb2ca3dc751ad070f1a92aebb88b43125
Reviewed-on: https://chromium-review.googlesource.com/c/1286331Reviewed-by: 's avatarSigurd Schneider <sigurds@chromium.org>
Commit-Queue: Jakob Gruber <jgruber@chromium.org>
Cr-Commit-Position: refs/heads/master@{#56728}
parent 6f218934
This diff is collapsed.
......@@ -883,7 +883,7 @@ void Builtins::Generate_InterpreterEntryTrampoline(MacroAssembler* masm) {
// If ok, push undefined as the initial value for all register file entries.
Label loop_header;
Label loop_check;
__ mov(eax, Immediate(masm->isolate()->factory()->undefined_value()));
__ Move(eax, masm->isolate()->factory()->undefined_value());
__ jmp(&loop_check);
__ bind(&loop_header);
// TODO(rmcilroy): Consider doing more than one push per loop iteration.
......@@ -914,7 +914,7 @@ void Builtins::Generate_InterpreterEntryTrampoline(MacroAssembler* masm) {
// handler at the current bytecode offset.
Label do_dispatch;
__ bind(&do_dispatch);
__ mov(kInterpreterDispatchTableRegister,
__ Move(kInterpreterDispatchTableRegister,
Immediate(ExternalReference::interpreter_dispatch_table_address(
masm->isolate())));
__ movzx_b(ecx, Operand(kInterpreterBytecodeArrayRegister,
......@@ -1140,10 +1140,11 @@ void Builtins::Generate_InterpreterPushArgsThenConstructImpl(
__ Pop(kJavaScriptCallNewTargetRegister);
__ Pop(kJavaScriptCallTargetRegister);
__ PushReturnAddressFrom(eax);
__ movd(eax, xmm0); // Reload number of arguments.
__ AssertFunction(kJavaScriptCallTargetRegister);
__ AssertUndefinedOrAllocationSite(kJavaScriptCallExtraArg1Register);
__ AssertUndefinedOrAllocationSite(kJavaScriptCallExtraArg1Register, eax);
__ movd(eax, xmm0); // Reload number of arguments.
__ Jump(BUILTIN_CODE(masm->isolate(), ArrayConstructorImpl),
RelocInfo::CODE_TARGET);
} else if (mode == InterpreterPushArgsMode::kWithFinalSpread) {
......@@ -1209,7 +1210,7 @@ static void Generate_InterpreterEnterBytecode(MacroAssembler* masm) {
__ push(scratch);
// Initialize the dispatch table register.
__ mov(kInterpreterDispatchTableRegister,
__ Move(kInterpreterDispatchTableRegister,
Immediate(ExternalReference::interpreter_dispatch_table_address(
masm->isolate())));
......@@ -2154,17 +2155,23 @@ void Builtins::Generate_Call(MacroAssembler* masm, ConvertReceiverMode mode) {
// -- edi : the target to call (can be any Object).
// -----------------------------------
Label non_callable, non_function, non_smi;
Label non_callable, non_function, non_smi, non_jsfunction,
non_jsboundfunction;
__ JumpIfSmi(edi, &non_callable);
__ bind(&non_smi);
__ CmpObjectType(edi, JS_FUNCTION_TYPE, ecx);
__ j(equal, masm->isolate()->builtins()->CallFunction(mode),
__ j(not_equal, &non_jsfunction);
__ Jump(masm->isolate()->builtins()->CallFunction(mode),
RelocInfo::CODE_TARGET);
__ bind(&non_jsfunction);
__ CmpInstanceType(ecx, JS_BOUND_FUNCTION_TYPE);
__ j(equal, BUILTIN_CODE(masm->isolate(), CallBoundFunction),
__ j(not_equal, &non_jsboundfunction);
__ Jump(BUILTIN_CODE(masm->isolate(), CallBoundFunction),
RelocInfo::CODE_TARGET);
// Check if target is a proxy and call CallProxy external builtin
__ bind(&non_jsboundfunction);
__ test_b(FieldOperand(ecx, Map::kBitFieldOffset),
Immediate(Map::IsCallableBit::kMask));
__ j(zero, &non_callable);
......@@ -2265,27 +2272,31 @@ void Builtins::Generate_Construct(MacroAssembler* masm) {
// -----------------------------------
// Check if target is a Smi.
Label non_constructor, non_proxy;
__ JumpIfSmi(edi, &non_constructor, Label::kNear);
Label non_constructor, non_proxy, non_jsfunction, non_jsboundfunction;
__ JumpIfSmi(edi, &non_constructor);
// Check if target has a [[Construct]] internal method.
__ mov(ecx, FieldOperand(edi, HeapObject::kMapOffset));
__ test_b(FieldOperand(ecx, Map::kBitFieldOffset),
Immediate(Map::IsConstructorBit::kMask));
__ j(zero, &non_constructor, Label::kNear);
__ j(zero, &non_constructor);
// Dispatch based on instance type.
__ CmpInstanceType(ecx, JS_FUNCTION_TYPE);
__ j(equal, BUILTIN_CODE(masm->isolate(), ConstructFunction),
__ j(not_equal, &non_jsfunction);
__ Jump(BUILTIN_CODE(masm->isolate(), ConstructFunction),
RelocInfo::CODE_TARGET);
// Only dispatch to bound functions after checking whether they are
// constructors.
__ bind(&non_jsfunction);
__ CmpInstanceType(ecx, JS_BOUND_FUNCTION_TYPE);
__ j(equal, BUILTIN_CODE(masm->isolate(), ConstructBoundFunction),
__ j(not_equal, &non_jsboundfunction);
__ Jump(BUILTIN_CODE(masm->isolate(), ConstructBoundFunction),
RelocInfo::CODE_TARGET);
// Only dispatch to proxies after checking whether they are constructors.
__ bind(&non_jsboundfunction);
__ CmpInstanceType(ecx, JS_PROXY_TYPE);
__ j(not_equal, &non_proxy);
__ Jump(BUILTIN_CODE(masm->isolate(), ConstructProxy),
......@@ -2383,7 +2394,7 @@ void Builtins::Generate_ArgumentsAdaptorTrampoline(MacroAssembler* masm) {
Label fill;
__ bind(&fill);
__ inc(eax);
__ push(Immediate(masm->isolate()->factory()->undefined_value()));
__ Push(Immediate(masm->isolate()->factory()->undefined_value()));
__ cmp(eax, kExpectedNumberOfArgumentsRegister);
__ j(less, &fill);
......@@ -2602,7 +2613,7 @@ void Builtins::Generate_CEntry(MacroAssembler* masm, int result_size,
// Call C function.
__ mov(Operand(esp, 0 * kPointerSize), edi); // argc.
__ mov(Operand(esp, 1 * kPointerSize), esi); // argv.
__ mov(ecx, Immediate(ExternalReference::isolate_address(masm->isolate())));
__ Move(ecx, Immediate(ExternalReference::isolate_address(masm->isolate())));
__ mov(Operand(esp, 2 * kPointerSize), ecx);
__ call(kRuntimeCallFunctionRegister);
......@@ -2610,14 +2621,14 @@ void Builtins::Generate_CEntry(MacroAssembler* masm, int result_size,
// Check result for exception sentinel.
Label exception_returned;
__ cmp(eax, masm->isolate()->factory()->exception());
__ CompareRoot(eax, RootIndex::kException);
__ j(equal, &exception_returned);
// Check that there is no pending exception, otherwise we
// should have returned the exception sentinel.
if (FLAG_debug_code) {
__ push(edx);
__ mov(edx, Immediate(masm->isolate()->factory()->the_hole_value()));
__ LoadRoot(edx, RootIndex::kTheHoleValue);
Label okay;
ExternalReference pending_exception_address = ExternalReference::Create(
IsolateAddressId::kPendingExceptionAddress, masm->isolate());
......@@ -2655,8 +2666,9 @@ void Builtins::Generate_CEntry(MacroAssembler* masm, int result_size,
__ PrepareCallCFunction(3, eax);
__ mov(Operand(esp, 0 * kPointerSize), Immediate(0)); // argc.
__ mov(Operand(esp, 1 * kPointerSize), Immediate(0)); // argv.
__ mov(Operand(esp, 2 * kPointerSize),
__ Move(esi,
Immediate(ExternalReference::isolate_address(masm->isolate())));
__ mov(Operand(esp, 2 * kPointerSize), esi);
__ CallCFunction(find_handler, 3);
}
......@@ -2959,8 +2971,7 @@ void GenerateInternalArrayConstructorCase(MacroAssembler* masm,
__ bind(&not_one_case);
// Load undefined into the allocation site parameter as required by
// ArrayNArgumentsConstructor.
__ mov(kJavaScriptCallExtraArg1Register,
masm->isolate()->factory()->undefined_value());
__ LoadRoot(kJavaScriptCallExtraArg1Register, RootIndex::kUndefinedValue);
Handle<Code> code = BUILTIN_CODE(masm->isolate(), ArrayNArgumentsConstructor);
__ Jump(code, RelocInfo::CODE_TARGET);
}
......
......@@ -678,7 +678,7 @@ CodeGenerator::CodeGenResult CodeGenerator::AssembleArchInstruction(
MoveOperandIfAliasedWithPoisonRegister(instr, this);
if (HasImmediateInput(instr, 0)) {
Handle<Code> code = i.InputCode(0);
__ call(code, RelocInfo::CODE_TARGET);
__ Call(code, RelocInfo::CODE_TARGET);
} else {
Register reg = i.InputRegister(0);
DCHECK_IMPLIES(
......@@ -730,7 +730,7 @@ CodeGenerator::CodeGenResult CodeGenerator::AssembleArchInstruction(
}
if (HasImmediateInput(instr, 0)) {
Handle<Code> code = i.InputCode(0);
__ jmp(code, RelocInfo::CODE_TARGET);
__ Jump(code, RelocInfo::CODE_TARGET);
} else {
Register reg = i.InputRegister(0);
DCHECK_IMPLIES(
......
......@@ -539,12 +539,15 @@ void MacroAssembler::RecordWrite(Register object, Register address,
void MacroAssembler::MaybeDropFrames() {
// Check whether we need to drop frames to restart a function on the stack.
Label dont_drop;
ExternalReference restart_fp =
ExternalReference::debug_restart_fp_address(isolate());
mov(eax, ExternalReferenceAsOperand(restart_fp, eax));
test(eax, eax);
j(not_zero, BUILTIN_CODE(isolate(), FrameDropperTrampoline),
RelocInfo::CODE_TARGET);
j(zero, &dont_drop, Label::kNear);
Jump(BUILTIN_CODE(isolate(), FrameDropperTrampoline), RelocInfo::CODE_TARGET);
bind(&dont_drop);
}
void TurboAssembler::Cvtsi2ss(XMMRegister dst, Operand src) {
......@@ -760,14 +763,15 @@ void MacroAssembler::AssertGeneratorObject(Register object) {
Check(equal, AbortReason::kOperandIsNotAGeneratorObject);
}
void MacroAssembler::AssertUndefinedOrAllocationSite(Register object) {
void MacroAssembler::AssertUndefinedOrAllocationSite(Register object,
Register scratch) {
if (emit_debug_code()) {
Label done_checking;
AssertNotSmi(object);
cmp(object, isolate()->factory()->undefined_value());
CompareRoot(object, scratch, RootIndex::kUndefinedValue);
j(equal, &done_checking);
cmp(FieldOperand(object, 0),
Immediate(isolate()->factory()->allocation_site_map()));
LoadRoot(scratch, RootIndex::kAllocationSiteWithWeakNextMap);
cmp(FieldOperand(object, 0), scratch);
Assert(equal, AbortReason::kExpectedUndefinedOrCell);
bind(&done_checking);
}
......@@ -1304,7 +1308,7 @@ void MacroAssembler::InvokeFunctionCode(Register function, Register new_target,
// Clear the new.target register if not given.
if (!new_target.is_valid()) {
mov(edx, isolate()->factory()->undefined_value());
Move(edx, isolate()->factory()->undefined_value());
}
Label done;
......@@ -1380,6 +1384,7 @@ void TurboAssembler::Ret(int bytes_dropped, Register scratch) {
void TurboAssembler::Push(Immediate value) {
#ifdef V8_EMBEDDED_BUILTINS
if (root_array_available_ && ShouldGenerateIsolateIndependentCode()) {
Assembler::AllowExplicitEbxAccessScope read_only_access(this);
if (value.is_embedded_object()) {
Push(HeapObjectAsOperand(value.embedded_object()));
return;
......
......@@ -660,7 +660,7 @@ class MacroAssembler : public TurboAssembler {
// Abort execution if argument is not undefined or an AllocationSite, enabled
// via --debug-code.
void AssertUndefinedOrAllocationSite(Register object);
void AssertUndefinedOrAllocationSite(Register object, Register scratch);
// ---------------------------------------------------------------------------
// Exception handling
......
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