6d6825f295
Bug: v8:8477, v8:8562 Change-Id: Ieb677e0989f77ed207567d468faec0bf92752967 Reviewed-on: https://chromium-review.googlesource.com/c/1388529 Reviewed-by: Yang Guo <yangguo@chromium.org> Reviewed-by: Andreas Haas <ahaas@chromium.org> Reviewed-by: Michael Lippautz <mlippautz@chromium.org> Reviewed-by: Toon Verwaest <verwaest@chromium.org> Commit-Queue: Igor Sheludko <ishell@chromium.org> Cr-Commit-Position: refs/heads/master@{#58922}
315 lines
9.2 KiB
C++
315 lines
9.2 KiB
C++
// Copyright 2012 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef V8_FRAMES_INL_H_
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#define V8_FRAMES_INL_H_
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#include "src/frame-constants.h"
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#include "src/frames.h"
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#include "src/isolate.h"
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#include "src/objects-inl.h"
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#include "src/v8memory.h"
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namespace v8 {
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namespace internal {
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class InnerPointerToCodeCache {
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public:
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struct InnerPointerToCodeCacheEntry {
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Address inner_pointer;
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Code code;
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SafepointEntry safepoint_entry;
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};
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explicit InnerPointerToCodeCache(Isolate* isolate) : isolate_(isolate) {
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Flush();
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}
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void Flush() { memset(static_cast<void*>(&cache_[0]), 0, sizeof(cache_)); }
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InnerPointerToCodeCacheEntry* GetCacheEntry(Address inner_pointer);
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private:
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InnerPointerToCodeCacheEntry* cache(int index) { return &cache_[index]; }
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Isolate* isolate_;
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static const int kInnerPointerToCodeCacheSize = 1024;
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InnerPointerToCodeCacheEntry cache_[kInnerPointerToCodeCacheSize];
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DISALLOW_COPY_AND_ASSIGN(InnerPointerToCodeCache);
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};
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inline Address StackHandler::address() const {
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return reinterpret_cast<Address>(const_cast<StackHandler*>(this));
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}
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inline StackHandler* StackHandler::next() const {
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const int offset = StackHandlerConstants::kNextOffset;
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return FromAddress(Memory<Address>(address() + offset));
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}
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inline Address StackHandler::next_address() const {
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return Memory<Address>(address() + StackHandlerConstants::kNextOffset);
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}
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inline StackHandler* StackHandler::FromAddress(Address address) {
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return reinterpret_cast<StackHandler*>(address);
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}
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inline StackFrame::StackFrame(StackFrameIteratorBase* iterator)
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: iterator_(iterator), isolate_(iterator_->isolate()) {
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}
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inline StackHandler* StackFrame::top_handler() const {
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return iterator_->handler();
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}
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inline Address* StackFrame::ResolveReturnAddressLocation(Address* pc_address) {
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if (return_address_location_resolver_ == nullptr) {
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return pc_address;
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} else {
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return reinterpret_cast<Address*>(
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return_address_location_resolver_(
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reinterpret_cast<uintptr_t>(pc_address)));
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}
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}
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inline NativeFrame::NativeFrame(StackFrameIteratorBase* iterator)
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: StackFrame(iterator) {}
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inline Address NativeFrame::GetCallerStackPointer() const {
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return fp() + CommonFrameConstants::kCallerSPOffset;
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}
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inline EntryFrame::EntryFrame(StackFrameIteratorBase* iterator)
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: StackFrame(iterator) {}
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inline ConstructEntryFrame::ConstructEntryFrame(
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StackFrameIteratorBase* iterator)
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: EntryFrame(iterator) {}
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inline ExitFrame::ExitFrame(StackFrameIteratorBase* iterator)
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: StackFrame(iterator) {}
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inline BuiltinExitFrame::BuiltinExitFrame(StackFrameIteratorBase* iterator)
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: ExitFrame(iterator) {}
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inline Object BuiltinExitFrame::receiver_slot_object() const {
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// The receiver is the first argument on the frame.
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// fp[1]: return address.
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// fp[2]: the last argument (new target).
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// fp[4]: argc.
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// fp[2 + argc - 1]: receiver.
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Object argc_slot = argc_slot_object();
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DCHECK(argc_slot->IsSmi());
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int argc = Smi::ToInt(argc_slot);
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const int receiverOffset = BuiltinExitFrameConstants::kNewTargetOffset +
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(argc - 1) * kSystemPointerSize;
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return Object(Memory<Address>(fp() + receiverOffset));
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}
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inline Object BuiltinExitFrame::argc_slot_object() const {
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return Object(Memory<Address>(fp() + BuiltinExitFrameConstants::kArgcOffset));
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}
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inline Object BuiltinExitFrame::target_slot_object() const {
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return Object(
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Memory<Address>(fp() + BuiltinExitFrameConstants::kTargetOffset));
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}
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inline Object BuiltinExitFrame::new_target_slot_object() const {
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return Object(
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Memory<Address>(fp() + BuiltinExitFrameConstants::kNewTargetOffset));
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}
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inline StandardFrame::StandardFrame(StackFrameIteratorBase* iterator)
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: StackFrame(iterator) {
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}
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inline Object StandardFrame::GetExpression(int index) const {
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return Object(Memory<Address>(GetExpressionAddress(index)));
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}
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inline void StandardFrame::SetExpression(int index, Object value) {
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Memory<Address>(GetExpressionAddress(index)) = value->ptr();
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}
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inline Address StandardFrame::caller_fp() const {
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return Memory<Address>(fp() + StandardFrameConstants::kCallerFPOffset);
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}
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inline Address StandardFrame::caller_pc() const {
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return Memory<Address>(ComputePCAddress(fp()));
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}
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inline Address StandardFrame::ComputePCAddress(Address fp) {
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return fp + StandardFrameConstants::kCallerPCOffset;
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}
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inline Address StandardFrame::ComputeConstantPoolAddress(Address fp) {
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return fp + StandardFrameConstants::kConstantPoolOffset;
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}
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inline bool StandardFrame::IsArgumentsAdaptorFrame(Address fp) {
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intptr_t frame_type =
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Memory<intptr_t>(fp + TypedFrameConstants::kFrameTypeOffset);
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return frame_type == StackFrame::TypeToMarker(StackFrame::ARGUMENTS_ADAPTOR);
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}
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inline bool StandardFrame::IsConstructFrame(Address fp) {
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intptr_t frame_type =
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Memory<intptr_t>(fp + TypedFrameConstants::kFrameTypeOffset);
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return frame_type == StackFrame::TypeToMarker(StackFrame::CONSTRUCT);
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}
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inline JavaScriptFrame::JavaScriptFrame(StackFrameIteratorBase* iterator)
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: StandardFrame(iterator) {}
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Address JavaScriptFrame::GetParameterSlot(int index) const {
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int param_count = ComputeParametersCount();
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DCHECK(-1 <= index &&
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(index < param_count ||
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param_count == SharedFunctionInfo::kDontAdaptArgumentsSentinel));
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int parameter_offset = (param_count - index - 1) * kSystemPointerSize;
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return caller_sp() + parameter_offset;
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}
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inline void JavaScriptFrame::set_receiver(Object value) {
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Memory<Address>(GetParameterSlot(-1)) = value->ptr();
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}
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inline bool JavaScriptFrame::has_adapted_arguments() const {
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return IsArgumentsAdaptorFrame(caller_fp());
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}
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inline Object JavaScriptFrame::function_slot_object() const {
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const int offset = JavaScriptFrameConstants::kFunctionOffset;
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return Object(Memory<Address>(fp() + offset));
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}
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inline StubFrame::StubFrame(StackFrameIteratorBase* iterator)
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: StandardFrame(iterator) {
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}
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inline OptimizedFrame::OptimizedFrame(StackFrameIteratorBase* iterator)
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: JavaScriptFrame(iterator) {
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}
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inline InterpretedFrame::InterpretedFrame(StackFrameIteratorBase* iterator)
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: JavaScriptFrame(iterator) {}
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inline ArgumentsAdaptorFrame::ArgumentsAdaptorFrame(
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StackFrameIteratorBase* iterator) : JavaScriptFrame(iterator) {
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}
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inline BuiltinFrame::BuiltinFrame(StackFrameIteratorBase* iterator)
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: JavaScriptFrame(iterator) {}
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inline WasmCompiledFrame::WasmCompiledFrame(StackFrameIteratorBase* iterator)
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: StandardFrame(iterator) {}
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inline WasmInterpreterEntryFrame::WasmInterpreterEntryFrame(
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StackFrameIteratorBase* iterator)
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: StandardFrame(iterator) {}
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inline WasmToJsFrame::WasmToJsFrame(StackFrameIteratorBase* iterator)
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: StubFrame(iterator) {}
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inline JsToWasmFrame::JsToWasmFrame(StackFrameIteratorBase* iterator)
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: StubFrame(iterator) {}
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inline CWasmEntryFrame::CWasmEntryFrame(StackFrameIteratorBase* iterator)
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: StubFrame(iterator) {}
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inline WasmCompileLazyFrame::WasmCompileLazyFrame(
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StackFrameIteratorBase* iterator)
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: StandardFrame(iterator) {}
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inline InternalFrame::InternalFrame(StackFrameIteratorBase* iterator)
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: StandardFrame(iterator) {
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}
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inline ConstructFrame::ConstructFrame(StackFrameIteratorBase* iterator)
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: InternalFrame(iterator) {
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}
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inline BuiltinContinuationFrame::BuiltinContinuationFrame(
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StackFrameIteratorBase* iterator)
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: InternalFrame(iterator) {}
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inline JavaScriptBuiltinContinuationFrame::JavaScriptBuiltinContinuationFrame(
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StackFrameIteratorBase* iterator)
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: JavaScriptFrame(iterator) {}
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inline JavaScriptBuiltinContinuationWithCatchFrame::
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JavaScriptBuiltinContinuationWithCatchFrame(
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StackFrameIteratorBase* iterator)
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: JavaScriptBuiltinContinuationFrame(iterator) {}
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inline JavaScriptFrameIterator::JavaScriptFrameIterator(
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Isolate* isolate)
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: iterator_(isolate) {
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if (!done()) Advance();
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}
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inline JavaScriptFrameIterator::JavaScriptFrameIterator(
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Isolate* isolate, ThreadLocalTop* top)
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: iterator_(isolate, top) {
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if (!done()) Advance();
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}
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inline JavaScriptFrame* JavaScriptFrameIterator::frame() const {
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// TODO(1233797): The frame hierarchy needs to change. It's
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// problematic that we can't use the safe-cast operator to cast to
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// the JavaScript frame type, because we may encounter arguments
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// adaptor frames.
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StackFrame* frame = iterator_.frame();
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DCHECK(frame->is_java_script() || frame->is_arguments_adaptor());
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return static_cast<JavaScriptFrame*>(frame);
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}
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inline StandardFrame* StackTraceFrameIterator::frame() const {
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StackFrame* frame = iterator_.frame();
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DCHECK(frame->is_java_script() || frame->is_arguments_adaptor() ||
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frame->is_wasm());
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return static_cast<StandardFrame*>(frame);
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}
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bool StackTraceFrameIterator::is_javascript() const {
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return frame()->is_java_script();
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}
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bool StackTraceFrameIterator::is_wasm() const { return frame()->is_wasm(); }
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JavaScriptFrame* StackTraceFrameIterator::javascript_frame() const {
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return JavaScriptFrame::cast(frame());
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}
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inline StackFrame* SafeStackFrameIterator::frame() const {
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DCHECK(!done());
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DCHECK(frame_->is_java_script() || frame_->is_exit() ||
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frame_->is_builtin_exit() || frame_->is_wasm());
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return frame_;
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}
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} // namespace internal
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} // namespace v8
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#endif // V8_FRAMES_INL_H_
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