}
+void MacroAssembler::LoadRoot(Register destination, Heap::RootListIndex index) {
+ if (isolate()->heap()->RootCanBeTreatedAsConstant(index)) {
+ Handle<Object> value(&isolate()->heap()->roots_array_start()[index]);
+ mov(destination, value);
+ return;
+ }
+ ExternalReference roots_array_start =
+ ExternalReference::roots_array_start(isolate());
+ mov(destination, Immediate(index));
+ mov(destination, Operand::StaticArray(destination,
+ times_pointer_size,
+ roots_array_start));
+}
+
+
+void MacroAssembler::StoreRoot(Register source,
+ Register scratch,
+ Heap::RootListIndex index) {
+ ASSERT(Heap::RootCanBeWrittenAfterInitialization(index));
+ ExternalReference roots_array_start =
+ ExternalReference::roots_array_start(isolate());
+ mov(scratch, Immediate(index));
+ mov(Operand::StaticArray(scratch, times_pointer_size, roots_array_start),
+ source);
+}
+
+
+void MacroAssembler::CompareRoot(Register with,
+ Register scratch,
+ Heap::RootListIndex index) {
+ ExternalReference roots_array_start =
+ ExternalReference::roots_array_start(isolate());
+ mov(scratch, Immediate(index));
+ cmp(with, Operand::StaticArray(scratch,
+ times_pointer_size,
+ roots_array_start));
+}
+
+
+void MacroAssembler::CompareRoot(Register with, Heap::RootListIndex index) {
+ ASSERT(isolate()->heap()->RootCanBeTreatedAsConstant(index));
+ Handle<Object> value(&isolate()->heap()->roots_array_start()[index]);
+ cmp(with, value);
+}
+
+
+void MacroAssembler::CompareRoot(const Operand& with,
+ Heap::RootListIndex index) {
+ ASSERT(isolate()->heap()->RootCanBeTreatedAsConstant(index));
+ Handle<Object> value(&isolate()->heap()->roots_array_start()[index]);
+ cmp(with, value);
+}
+
+
void MacroAssembler::InNewSpace(
Register object,
Register scratch,
}
-void MacroAssembler::CompareRoot(Register with, Heap::RootListIndex index) {
- // see ROOT_ACCESSOR macro in factory.h
- Handle<Object> value(&isolate()->heap()->roots_array_start()[index]);
- cmp(with, value);
-}
-
-
-void MacroAssembler::CompareRoot(const Operand& with,
- Heap::RootListIndex index) {
- // see ROOT_ACCESSOR macro in factory.h
- Handle<Object> value(&isolate()->heap()->roots_array_start()[index]);
- cmp(with, value);
-}
-
-
void MacroAssembler::CmpObjectType(Register heap_object,
InstanceType type,
Register map) {
JumpIfSmi(object, &ok);
cmp(FieldOperand(object, HeapObject::kMapOffset),
isolate()->factory()->heap_number_map());
- Check(equal, "Operand not a number");
+ Check(equal, kOperandNotANumber);
bind(&ok);
}
}
void MacroAssembler::AssertSmi(Register object) {
if (emit_debug_code()) {
test(object, Immediate(kSmiTagMask));
- Check(equal, "Operand is not a smi");
+ Check(equal, kOperandIsNotASmi);
}
}
void MacroAssembler::AssertString(Register object) {
if (emit_debug_code()) {
test(object, Immediate(kSmiTagMask));
- Check(not_equal, "Operand is a smi and not a string");
+ Check(not_equal, kOperandIsASmiAndNotAString);
push(object);
mov(object, FieldOperand(object, HeapObject::kMapOffset));
CmpInstanceType(object, FIRST_NONSTRING_TYPE);
pop(object);
- Check(below, "Operand is not a string");
+ Check(below, kOperandIsNotAString);
}
}
void MacroAssembler::AssertName(Register object) {
if (emit_debug_code()) {
test(object, Immediate(kSmiTagMask));
- Check(not_equal, "Operand is a smi and not a name");
+ Check(not_equal, kOperandIsASmiAndNotAName);
push(object);
mov(object, FieldOperand(object, HeapObject::kMapOffset));
CmpInstanceType(object, LAST_NAME_TYPE);
pop(object);
- Check(below_equal, "Operand is not a name");
+ Check(below_equal, kOperandIsNotAName);
}
}
void MacroAssembler::AssertNotSmi(Register object) {
if (emit_debug_code()) {
test(object, Immediate(kSmiTagMask));
- Check(not_equal, "Operand is a smi");
+ Check(not_equal, kOperandIsASmi);
}
}
push(Immediate(CodeObject()));
if (emit_debug_code()) {
cmp(Operand(esp, 0), Immediate(isolate()->factory()->undefined_value()));
- Check(not_equal, "code object not properly patched");
+ Check(not_equal, kCodeObjectNotProperlyPatched);
}
}
if (emit_debug_code()) {
cmp(Operand(ebp, StandardFrameConstants::kMarkerOffset),
Immediate(Smi::FromInt(type)));
- Check(equal, "stack frame types must match");
+ Check(equal, kStackFrameTypesMustMatch);
}
leave();
}
// When generating debug code, make sure the lexical context is set.
if (emit_debug_code()) {
cmp(scratch1, Immediate(0));
- Check(not_equal, "we should not have an empty lexical context");
+ Check(not_equal, kWeShouldNotHaveAnEmptyLexicalContext);
}
// Load the native context of the current context.
int offset =
// Read the first word and compare to native_context_map.
cmp(FieldOperand(scratch1, HeapObject::kMapOffset),
isolate()->factory()->native_context_map());
- Check(equal, "JSGlobalObject::native_context should be a native context.");
+ Check(equal, kJSGlobalObjectNativeContextShouldBeANativeContext);
}
// Check if both contexts are the same.
// Check the context is a native context.
if (emit_debug_code()) {
cmp(scratch2, isolate()->factory()->null_value());
- Check(not_equal, "JSGlobalProxy::context() should not be null.");
+ Check(not_equal, kJSGlobalProxyContextShouldNotBeNull);
// Read the first word and compare to native_context_map(),
cmp(FieldOperand(scratch2, HeapObject::kMapOffset),
isolate()->factory()->native_context_map());
- Check(equal, "JSGlobalObject::native_context should be a native context.");
+ Check(equal, kJSGlobalObjectNativeContextShouldBeANativeContext);
}
int token_offset = Context::kHeaderSize +
#ifdef DEBUG
// Assert that result actually contains top on entry.
cmp(result, Operand::StaticVariable(allocation_top));
- Check(equal, "Unexpected allocation top");
+ Check(equal, kUnexpectedAllocationTop);
#endif
return;
}
AllocationFlags flags) {
if (emit_debug_code()) {
test(result_end, Immediate(kObjectAlignmentMask));
- Check(zero, "Unaligned allocation in new space");
+ Check(zero, kUnalignedAllocationInNewSpace);
}
ExternalReference allocation_top =
and_(object, Immediate(~kHeapObjectTagMask));
#ifdef DEBUG
cmp(object, Operand::StaticVariable(new_space_allocation_top));
- Check(below, "Undo allocation of non allocated memory");
+ Check(below, kUndoAllocationOfNonAllocatedMemory);
#endif
mov(Operand::StaticVariable(new_space_allocation_top), object);
}
// If false, it is returned as a pointer to a preallocated by caller memory
// region. Pointer to this region should be passed to a function as an
// implicit first argument.
-#if V8_OS_BSD4 || V8_OS_MINGW32 || V8_OS_CYGWIN
+#if defined(USING_BSD_ABI) || defined(__MINGW32__) || defined(__CYGWIN__)
static const bool kReturnHandlesDirectly = true;
#else
static const bool kReturnHandlesDirectly = false;
// previous handle scope.
mov(Operand::StaticVariable(next_address), ebx);
sub(Operand::StaticVariable(level_address), Immediate(1));
- Assert(above_equal, "Invalid HandleScope level");
+ Assert(above_equal, kInvalidHandleScopeLevel);
cmp(edi, Operand::StaticVariable(limit_address));
j(not_equal, &delete_allocated_handles);
bind(&leave_exit_frame);
cmp(return_value, isolate()->factory()->null_value());
j(equal, &ok, Label::kNear);
- Abort("API call returned invalid object");
+ Abort(kAPICallReturnedInvalidObject);
bind(&ok);
#endif
if (emit_debug_code()) {
cmp(FieldOperand(dst, HeapObject::kMapOffset),
isolate()->factory()->with_context_map());
- Check(not_equal, "Variable resolved to with context.");
+ Check(not_equal, kVariableResolvedToWithContext);
}
}
CheckMap(map, isolate()->factory()->meta_map(), &fail, DO_SMI_CHECK);
jmp(&ok);
bind(&fail);
- Abort("Global functions must have initial map");
+ Abort(kGlobalFunctionsMustHaveInitialMap);
bind(&ok);
}
}
and_(eax, kTopMask);
shr(eax, 11);
cmp(eax, Immediate(tos));
- Check(equal, "Unexpected FPU stack depth after instruction");
+ Check(equal, kUnexpectedFPUStackDepthAfterInstruction);
fnclex();
pop(eax);
}
}
-void MacroAssembler::Assert(Condition cc, const char* msg) {
- if (emit_debug_code()) Check(cc, msg);
+void MacroAssembler::Assert(Condition cc, BailoutReason reason) {
+ if (emit_debug_code()) Check(cc, reason);
}
cmp(FieldOperand(elements, HeapObject::kMapOffset),
Immediate(factory->fixed_cow_array_map()));
j(equal, &ok);
- Abort("JSObject with fast elements map has slow elements");
+ Abort(kJSObjectWithFastElementsMapHasSlowElements);
bind(&ok);
}
}
-void MacroAssembler::Check(Condition cc, const char* msg) {
+void MacroAssembler::Check(Condition cc, BailoutReason reason) {
Label L;
j(cc, &L);
- Abort(msg);
+ Abort(reason);
// will not return here
bind(&L);
}
}
-void MacroAssembler::Abort(const char* msg) {
+void MacroAssembler::Abort(BailoutReason reason) {
// We want to pass the msg string like a smi to avoid GC
// problems, however msg is not guaranteed to be aligned
// properly. Instead, we pass an aligned pointer that is
// a proper v8 smi, but also pass the alignment difference
// from the real pointer as a smi.
+ const char* msg = GetBailoutReason(reason);
intptr_t p1 = reinterpret_cast<intptr_t>(msg);
intptr_t p0 = (p1 & ~kSmiTagMask) + kSmiTag;
ASSERT(reinterpret_cast<Object*>(p0)->IsSmi());
if (emit_debug_code()) {
mov(length, Operand(bitmap_scratch, MemoryChunk::kLiveBytesOffset));
cmp(length, Operand(bitmap_scratch, MemoryChunk::kSizeOffset));
- Check(less_equal, "Live Bytes Count overflow chunk size");
+ Check(less_equal, kLiveBytesCountOverflowChunkSize);
}
bind(&done);
projects / platform / upstream / nodejs.git / blobdiff