| // Copyright 2012 the V8 project authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef V8_FRAMES_INL_H_ |
| #define V8_FRAMES_INL_H_ |
| |
| #include "src/frames.h" |
| #include "src/isolate.h" |
| #include "src/objects-inl.h" |
| #include "src/v8memory.h" |
| |
| #if V8_TARGET_ARCH_IA32 |
| #include "src/ia32/frames-ia32.h" // NOLINT |
| #elif V8_TARGET_ARCH_X64 |
| #include "src/x64/frames-x64.h" // NOLINT |
| #elif V8_TARGET_ARCH_ARM64 |
| #include "src/arm64/frames-arm64.h" // NOLINT |
| #elif V8_TARGET_ARCH_ARM |
| #include "src/arm/frames-arm.h" // NOLINT |
| #elif V8_TARGET_ARCH_PPC |
| #include "src/ppc/frames-ppc.h" // NOLINT |
| #elif V8_TARGET_ARCH_MIPS |
| #include "src/mips/frames-mips.h" // NOLINT |
| #elif V8_TARGET_ARCH_MIPS64 |
| #include "src/mips64/frames-mips64.h" // NOLINT |
| #elif V8_TARGET_ARCH_S390 |
| #include "src/s390/frames-s390.h" // NOLINT |
| #elif V8_TARGET_ARCH_X87 |
| #include "src/x87/frames-x87.h" // NOLINT |
| #else |
| #error Unsupported target architecture. |
| #endif |
| |
| namespace v8 { |
| namespace internal { |
| |
| |
| inline Address StackHandler::address() const { |
| return reinterpret_cast<Address>(const_cast<StackHandler*>(this)); |
| } |
| |
| |
| inline StackHandler* StackHandler::next() const { |
| const int offset = StackHandlerConstants::kNextOffset; |
| return FromAddress(Memory::Address_at(address() + offset)); |
| } |
| |
| |
| inline StackHandler* StackHandler::FromAddress(Address address) { |
| return reinterpret_cast<StackHandler*>(address); |
| } |
| |
| |
| inline StackFrame::StackFrame(StackFrameIteratorBase* iterator) |
| : iterator_(iterator), isolate_(iterator_->isolate()) { |
| } |
| |
| |
| inline StackHandler* StackFrame::top_handler() const { |
| return iterator_->handler(); |
| } |
| |
| |
| inline Code* StackFrame::LookupCode() const { |
| // TODO(jgruber): This should really check that pc is within the returned |
| // code's instruction range [instruction_start(), instruction_end()[. |
| return GetContainingCode(isolate(), pc()); |
| } |
| |
| |
| inline Code* StackFrame::GetContainingCode(Isolate* isolate, Address pc) { |
| return isolate->inner_pointer_to_code_cache()->GetCacheEntry(pc)->code; |
| } |
| |
| |
| inline Address* StackFrame::ResolveReturnAddressLocation(Address* pc_address) { |
| if (return_address_location_resolver_ == NULL) { |
| return pc_address; |
| } else { |
| return reinterpret_cast<Address*>( |
| return_address_location_resolver_( |
| reinterpret_cast<uintptr_t>(pc_address))); |
| } |
| } |
| |
| |
| inline EntryFrame::EntryFrame(StackFrameIteratorBase* iterator) |
| : StackFrame(iterator) { |
| } |
| |
| |
| inline EntryConstructFrame::EntryConstructFrame( |
| StackFrameIteratorBase* iterator) |
| : EntryFrame(iterator) { |
| } |
| |
| |
| inline ExitFrame::ExitFrame(StackFrameIteratorBase* iterator) |
| : StackFrame(iterator) { |
| } |
| |
| inline BuiltinExitFrame::BuiltinExitFrame(StackFrameIteratorBase* iterator) |
| : ExitFrame(iterator) {} |
| |
| inline Object* BuiltinExitFrame::receiver_slot_object() const { |
| // The receiver is the first argument on the frame. |
| // fp[1]: return address. |
| // fp[2]: the last argument (new target). |
| // fp[4]: argc. |
| // fp[2 + argc - 1]: receiver. |
| Object* argc_slot = argc_slot_object(); |
| DCHECK(argc_slot->IsSmi()); |
| int argc = Smi::cast(argc_slot)->value(); |
| |
| const int receiverOffset = |
| BuiltinExitFrameConstants::kNewTargetOffset + (argc - 1) * kPointerSize; |
| return Memory::Object_at(fp() + receiverOffset); |
| } |
| |
| inline Object* BuiltinExitFrame::argc_slot_object() const { |
| return Memory::Object_at(fp() + BuiltinExitFrameConstants::kArgcOffset); |
| } |
| |
| inline Object* BuiltinExitFrame::target_slot_object() const { |
| return Memory::Object_at(fp() + BuiltinExitFrameConstants::kTargetOffset); |
| } |
| |
| inline Object* BuiltinExitFrame::new_target_slot_object() const { |
| return Memory::Object_at(fp() + BuiltinExitFrameConstants::kNewTargetOffset); |
| } |
| |
| inline StandardFrame::StandardFrame(StackFrameIteratorBase* iterator) |
| : StackFrame(iterator) { |
| } |
| |
| |
| inline Object* StandardFrame::GetExpression(int index) const { |
| return Memory::Object_at(GetExpressionAddress(index)); |
| } |
| |
| |
| inline void StandardFrame::SetExpression(int index, Object* value) { |
| Memory::Object_at(GetExpressionAddress(index)) = value; |
| } |
| |
| |
| inline Address StandardFrame::caller_fp() const { |
| return Memory::Address_at(fp() + StandardFrameConstants::kCallerFPOffset); |
| } |
| |
| |
| inline Address StandardFrame::caller_pc() const { |
| return Memory::Address_at(ComputePCAddress(fp())); |
| } |
| |
| |
| inline Address StandardFrame::ComputePCAddress(Address fp) { |
| return fp + StandardFrameConstants::kCallerPCOffset; |
| } |
| |
| |
| inline Address StandardFrame::ComputeConstantPoolAddress(Address fp) { |
| return fp + StandardFrameConstants::kConstantPoolOffset; |
| } |
| |
| |
| inline bool StandardFrame::IsArgumentsAdaptorFrame(Address fp) { |
| intptr_t frame_type = |
| Memory::intptr_at(fp + TypedFrameConstants::kFrameTypeOffset); |
| return frame_type == StackFrame::TypeToMarker(StackFrame::ARGUMENTS_ADAPTOR); |
| } |
| |
| |
| inline bool StandardFrame::IsConstructFrame(Address fp) { |
| intptr_t frame_type = |
| Memory::intptr_at(fp + TypedFrameConstants::kFrameTypeOffset); |
| return frame_type == StackFrame::TypeToMarker(StackFrame::CONSTRUCT); |
| } |
| |
| inline JavaScriptFrame::JavaScriptFrame(StackFrameIteratorBase* iterator) |
| : StandardFrame(iterator) {} |
| |
| Address JavaScriptFrame::GetParameterSlot(int index) const { |
| int param_count = ComputeParametersCount(); |
| DCHECK(-1 <= index && index < param_count); |
| int parameter_offset = (param_count - index - 1) * kPointerSize; |
| return caller_sp() + parameter_offset; |
| } |
| |
| inline Address JavaScriptFrame::GetOperandSlot(int index) const { |
| Address base = fp() + JavaScriptFrameConstants::kLocal0Offset; |
| DCHECK(IsAddressAligned(base, kPointerSize)); |
| DCHECK_EQ(type(), JAVA_SCRIPT); |
| DCHECK_LT(index, ComputeOperandsCount()); |
| DCHECK_LE(0, index); |
| // Operand stack grows down. |
| return base - index * kPointerSize; |
| } |
| |
| |
| inline Object* JavaScriptFrame::GetOperand(int index) const { |
| return Memory::Object_at(GetOperandSlot(index)); |
| } |
| |
| |
| inline int JavaScriptFrame::ComputeOperandsCount() const { |
| Address base = fp() + JavaScriptFrameConstants::kLocal0Offset; |
| // Base points to low address of first operand and stack grows down, so add |
| // kPointerSize to get the actual stack size. |
| intptr_t stack_size_in_bytes = (base + kPointerSize) - sp(); |
| DCHECK(IsAligned(stack_size_in_bytes, kPointerSize)); |
| DCHECK(type() == JAVA_SCRIPT); |
| DCHECK(stack_size_in_bytes >= 0); |
| return static_cast<int>(stack_size_in_bytes >> kPointerSizeLog2); |
| } |
| |
| |
| inline void JavaScriptFrame::set_receiver(Object* value) { |
| Memory::Object_at(GetParameterSlot(-1)) = value; |
| } |
| |
| |
| inline bool JavaScriptFrame::has_adapted_arguments() const { |
| return IsArgumentsAdaptorFrame(caller_fp()); |
| } |
| |
| |
| inline Object* JavaScriptFrame::function_slot_object() const { |
| const int offset = JavaScriptFrameConstants::kFunctionOffset; |
| return Memory::Object_at(fp() + offset); |
| } |
| |
| inline StubFrame::StubFrame(StackFrameIteratorBase* iterator) |
| : StandardFrame(iterator) { |
| } |
| |
| |
| inline OptimizedFrame::OptimizedFrame(StackFrameIteratorBase* iterator) |
| : JavaScriptFrame(iterator) { |
| } |
| |
| |
| inline InterpretedFrame::InterpretedFrame(StackFrameIteratorBase* iterator) |
| : JavaScriptFrame(iterator) {} |
| |
| |
| inline ArgumentsAdaptorFrame::ArgumentsAdaptorFrame( |
| StackFrameIteratorBase* iterator) : JavaScriptFrame(iterator) { |
| } |
| |
| inline BuiltinFrame::BuiltinFrame(StackFrameIteratorBase* iterator) |
| : JavaScriptFrame(iterator) {} |
| |
| inline WasmCompiledFrame::WasmCompiledFrame(StackFrameIteratorBase* iterator) |
| : StandardFrame(iterator) {} |
| |
| inline WasmInterpreterEntryFrame::WasmInterpreterEntryFrame( |
| StackFrameIteratorBase* iterator) |
| : StandardFrame(iterator) {} |
| |
| inline WasmToJsFrame::WasmToJsFrame(StackFrameIteratorBase* iterator) |
| : StubFrame(iterator) {} |
| |
| inline JsToWasmFrame::JsToWasmFrame(StackFrameIteratorBase* iterator) |
| : StubFrame(iterator) {} |
| |
| inline InternalFrame::InternalFrame(StackFrameIteratorBase* iterator) |
| : StandardFrame(iterator) { |
| } |
| |
| |
| inline StubFailureTrampolineFrame::StubFailureTrampolineFrame( |
| StackFrameIteratorBase* iterator) : StandardFrame(iterator) { |
| } |
| |
| |
| inline ConstructFrame::ConstructFrame(StackFrameIteratorBase* iterator) |
| : InternalFrame(iterator) { |
| } |
| |
| inline JavaScriptFrameIterator::JavaScriptFrameIterator( |
| Isolate* isolate) |
| : iterator_(isolate) { |
| if (!done()) Advance(); |
| } |
| |
| inline JavaScriptFrameIterator::JavaScriptFrameIterator( |
| Isolate* isolate, ThreadLocalTop* top) |
| : iterator_(isolate, top) { |
| if (!done()) Advance(); |
| } |
| |
| inline JavaScriptFrame* JavaScriptFrameIterator::frame() const { |
| // TODO(1233797): The frame hierarchy needs to change. It's |
| // problematic that we can't use the safe-cast operator to cast to |
| // the JavaScript frame type, because we may encounter arguments |
| // adaptor frames. |
| StackFrame* frame = iterator_.frame(); |
| DCHECK(frame->is_java_script() || frame->is_arguments_adaptor()); |
| return static_cast<JavaScriptFrame*>(frame); |
| } |
| |
| inline StandardFrame* StackTraceFrameIterator::frame() const { |
| StackFrame* frame = iterator_.frame(); |
| DCHECK(frame->is_java_script() || frame->is_arguments_adaptor() || |
| frame->is_wasm()); |
| return static_cast<StandardFrame*>(frame); |
| } |
| |
| bool StackTraceFrameIterator::is_javascript() const { |
| return frame()->is_java_script(); |
| } |
| |
| bool StackTraceFrameIterator::is_wasm() const { return frame()->is_wasm(); } |
| |
| JavaScriptFrame* StackTraceFrameIterator::javascript_frame() const { |
| return JavaScriptFrame::cast(frame()); |
| } |
| |
| inline StackFrame* SafeStackFrameIterator::frame() const { |
| DCHECK(!done()); |
| DCHECK(frame_->is_java_script() || frame_->is_exit() || |
| frame_->is_builtin_exit()); |
| return frame_; |
| } |
| |
| |
| } // namespace internal |
| } // namespace v8 |
| |
| #endif // V8_FRAMES_INL_H_ |