summaryrefslogtreecommitdiffstats
path: root/v8/src/debug.h
diff options
context:
space:
mode:
Diffstat (limited to 'v8/src/debug.h')
-rw-r--r--v8/src/debug.h725
1 files changed, 0 insertions, 725 deletions
diff --git a/v8/src/debug.h b/v8/src/debug.h
deleted file mode 100644
index e46b816..0000000
--- a/v8/src/debug.h
+++ /dev/null
@@ -1,725 +0,0 @@
-// Copyright 2006-2008 the V8 project authors. All rights reserved.
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-// * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-// * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following
-// disclaimer in the documentation and/or other materials provided
-// with the distribution.
-// * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived
-// from this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-#ifndef V8_V8_DEBUG_H_
-#define V8_V8_DEBUG_H_
-
-#include "assembler.h"
-#include "code-stubs.h"
-#include "debug-agent.h"
-#include "execution.h"
-#include "factory.h"
-#include "platform.h"
-#include "string-stream.h"
-#include "v8threads.h"
-
-#ifdef ENABLE_DEBUGGER_SUPPORT
-#include "../include/v8-debug.h"
-
-namespace v8 { namespace internal {
-
-
-// Forward declarations.
-class EnterDebugger;
-
-
-// Step actions. NOTE: These values are in macros.py as well.
-enum StepAction {
- StepNone = -1, // Stepping not prepared.
- StepOut = 0, // Step out of the current function.
- StepNext = 1, // Step to the next statement in the current function.
- StepIn = 2, // Step into new functions invoked or the next statement
- // in the current function.
- StepMin = 3, // Perform a minimum step in the current function.
- StepInMin = 4 // Step into new functions invoked or perform a minimum step
- // in the current function.
-};
-
-
-// Type of exception break. NOTE: These values are in macros.py as well.
-enum ExceptionBreakType {
- BreakException = 0,
- BreakUncaughtException = 1
-};
-
-
-// Type of exception break. NOTE: These values are in macros.py as well.
-enum BreakLocatorType {
- ALL_BREAK_LOCATIONS = 0,
- SOURCE_BREAK_LOCATIONS = 1
-};
-
-
-// Class for iterating through the break points in a function and changing
-// them.
-class BreakLocationIterator {
- public:
- explicit BreakLocationIterator(Handle<DebugInfo> debug_info,
- BreakLocatorType type);
- virtual ~BreakLocationIterator();
-
- void Next();
- void Next(int count);
- void FindBreakLocationFromAddress(Address pc);
- void FindBreakLocationFromPosition(int position);
- void Reset();
- bool Done() const;
- void SetBreakPoint(Handle<Object> break_point_object);
- void ClearBreakPoint(Handle<Object> break_point_object);
- void SetOneShot();
- void ClearOneShot();
- void PrepareStepIn();
- bool IsExit() const;
- bool HasBreakPoint();
- bool IsDebugBreak();
- Object* BreakPointObjects();
- void ClearAllDebugBreak();
-
-
- inline int code_position() { return pc() - debug_info_->code()->entry(); }
- inline int break_point() { return break_point_; }
- inline int position() { return position_; }
- inline int statement_position() { return statement_position_; }
- inline Address pc() { return reloc_iterator_->rinfo()->pc(); }
- inline Code* code() { return debug_info_->code(); }
- inline RelocInfo* rinfo() { return reloc_iterator_->rinfo(); }
- inline RelocInfo::Mode rmode() const {
- return reloc_iterator_->rinfo()->rmode();
- }
- inline RelocInfo* original_rinfo() {
- return reloc_iterator_original_->rinfo();
- }
- inline RelocInfo::Mode original_rmode() const {
- return reloc_iterator_original_->rinfo()->rmode();
- }
-
- protected:
- bool RinfoDone() const;
- void RinfoNext();
-
- BreakLocatorType type_;
- int break_point_;
- int position_;
- int statement_position_;
- Handle<DebugInfo> debug_info_;
- RelocIterator* reloc_iterator_;
- RelocIterator* reloc_iterator_original_;
-
- private:
- void SetDebugBreak();
- void ClearDebugBreak();
- bool IsDebugBreakAtReturn();
- void SetDebugBreakAtReturn();
- void ClearDebugBreakAtReturn();
-
- DISALLOW_COPY_AND_ASSIGN(BreakLocationIterator);
-};
-
-
-// Linked list holding debug info objects. The debug info objects are kept as
-// weak handles to avoid a debug info object to keep a function alive.
-class DebugInfoListNode {
- public:
- explicit DebugInfoListNode(DebugInfo* debug_info);
- virtual ~DebugInfoListNode();
-
- DebugInfoListNode* next() { return next_; }
- void set_next(DebugInfoListNode* next) { next_ = next; }
- Handle<DebugInfo> debug_info() { return debug_info_; }
-
- private:
- // Global (weak) handle to the debug info object.
- Handle<DebugInfo> debug_info_;
-
- // Next pointer for linked list.
- DebugInfoListNode* next_;
-};
-
-
-// This class contains the debugger support. The main purpose is to handle
-// setting break points in the code.
-//
-// This class controls the debug info for all functions which currently have
-// active breakpoints in them. This debug info is held in the heap root object
-// debug_info which is a FixedArray. Each entry in this list is of class
-// DebugInfo.
-class Debug {
- public:
- static void Setup(bool create_heap_objects);
- static bool Load();
- static void Unload();
- static bool IsLoaded() { return !debug_context_.is_null(); }
- static bool InDebugger() { return thread_local_.debugger_entry_ != NULL; }
- static void PreemptionWhileInDebugger();
- static void Iterate(ObjectVisitor* v);
-
- static Object* Break(Arguments args);
- static void SetBreakPoint(Handle<SharedFunctionInfo> shared,
- int source_position,
- Handle<Object> break_point_object);
- static void ClearBreakPoint(Handle<Object> break_point_object);
- static void ClearAllBreakPoints();
- static void FloodWithOneShot(Handle<SharedFunctionInfo> shared);
- static void FloodHandlerWithOneShot();
- static void ChangeBreakOnException(ExceptionBreakType type, bool enable);
- static void PrepareStep(StepAction step_action, int step_count);
- static void ClearStepping();
- static bool StepNextContinue(BreakLocationIterator* break_location_iterator,
- JavaScriptFrame* frame);
- static Handle<DebugInfo> GetDebugInfo(Handle<SharedFunctionInfo> shared);
- static bool HasDebugInfo(Handle<SharedFunctionInfo> shared);
-
- // Returns whether the operation succeeded.
- static bool EnsureDebugInfo(Handle<SharedFunctionInfo> shared);
-
- static bool IsDebugBreak(Address addr);
- static bool IsDebugBreakAtReturn(RelocInfo* rinfo);
-
- // Check whether a code stub with the specified major key is a possible break
- // point location.
- static bool IsSourceBreakStub(Code* code);
- static bool IsBreakStub(Code* code);
-
- // Find the builtin to use for invoking the debug break
- static Handle<Code> FindDebugBreak(RelocInfo* rinfo);
-
- static Handle<Object> GetSourceBreakLocations(
- Handle<SharedFunctionInfo> shared);
-
- // Getter for the debug_context.
- inline static Handle<Context> debug_context() { return debug_context_; }
-
- // Check whether a global object is the debug global object.
- static bool IsDebugGlobal(GlobalObject* global);
-
- // Fast check to see if any break points are active.
- inline static bool has_break_points() { return has_break_points_; }
-
- static void NewBreak(StackFrame::Id break_frame_id);
- static void SetBreak(StackFrame::Id break_frame_id, int break_id);
- static StackFrame::Id break_frame_id() {
- return thread_local_.break_frame_id_;
- }
- static int break_id() { return thread_local_.break_id_; }
-
-
-
-
- static bool StepInActive() { return thread_local_.step_into_fp_ != 0; }
- static void HandleStepIn(Handle<JSFunction> function,
- Address fp,
- bool is_constructor);
- static Address step_in_fp() { return thread_local_.step_into_fp_; }
- static Address* step_in_fp_addr() { return &thread_local_.step_into_fp_; }
-
- static EnterDebugger* debugger_entry() {
- return thread_local_.debugger_entry_;
- }
- static void set_debugger_entry(EnterDebugger* entry) {
- thread_local_.debugger_entry_ = entry;
- }
-
- static bool preemption_pending() {
- return thread_local_.preemption_pending_;
- }
- static void set_preemption_pending(bool preemption_pending) {
- thread_local_.preemption_pending_ = preemption_pending;
- }
-
- // Getter and setter for the disable break state.
- static bool disable_break() { return disable_break_; }
- static void set_disable_break(bool disable_break) {
- disable_break_ = disable_break;
- }
-
- // Getters for the current exception break state.
- static bool break_on_exception() { return break_on_exception_; }
- static bool break_on_uncaught_exception() {
- return break_on_uncaught_exception_;
- }
-
- enum AddressId {
- k_after_break_target_address,
- k_debug_break_return_address,
- k_register_address
- };
-
- // Support for setting the address to jump to when returning from break point.
- static Address* after_break_target_address() {
- return reinterpret_cast<Address*>(&thread_local_.after_break_target_);
- }
-
- // Support for saving/restoring registers when handling debug break calls.
- static Object** register_address(int r) {
- return &registers_[r];
- }
-
- // Address of the debug break return entry code.
- static Code* debug_break_return_entry() { return debug_break_return_entry_; }
-
- // Support for getting the address of the debug break on return code.
- static Code** debug_break_return_address() {
- return &debug_break_return_;
- }
-
- static const int kEstimatedNofDebugInfoEntries = 16;
- static const int kEstimatedNofBreakPointsInFunction = 16;
-
- static void HandleWeakDebugInfo(v8::Persistent<v8::Value> obj, void* data);
-
- friend class Debugger;
- friend Handle<FixedArray> GetDebuggedFunctions(); // In test-debug.cc
- friend void CheckDebuggerUnloaded(bool check_functions); // In test-debug.cc
-
- // Threading support.
- static char* ArchiveDebug(char* to);
- static char* RestoreDebug(char* from);
- static int ArchiveSpacePerThread();
-
- // Mirror cache handling.
- static void ClearMirrorCache();
-
- // Code generation assumptions.
- static const int kIa32CallInstructionLength = 5;
- static const int kIa32JSReturnSequenceLength = 6;
-
- // Code generator routines.
- static void GenerateLoadICDebugBreak(MacroAssembler* masm);
- static void GenerateStoreICDebugBreak(MacroAssembler* masm);
- static void GenerateKeyedLoadICDebugBreak(MacroAssembler* masm);
- static void GenerateKeyedStoreICDebugBreak(MacroAssembler* masm);
- static void GenerateConstructCallDebugBreak(MacroAssembler* masm);
- static void GenerateReturnDebugBreak(MacroAssembler* masm);
- static void GenerateReturnDebugBreakEntry(MacroAssembler* masm);
- static void GenerateStubNoRegistersDebugBreak(MacroAssembler* masm);
-
- // Called from stub-cache.cc.
- static void GenerateCallICDebugBreak(MacroAssembler* masm);
-
- private:
- static bool CompileDebuggerScript(int index);
- static void ClearOneShot();
- static void ActivateStepIn(StackFrame* frame);
- static void ClearStepIn();
- static void ClearStepNext();
- // Returns whether the compile succeeded.
- static bool EnsureCompiled(Handle<SharedFunctionInfo> shared);
- static void RemoveDebugInfo(Handle<DebugInfo> debug_info);
- static void SetAfterBreakTarget(JavaScriptFrame* frame);
- static Handle<Object> CheckBreakPoints(Handle<Object> break_point);
- static bool CheckBreakPoint(Handle<Object> break_point_object);
-
- // Global handle to debug context where all the debugger JavaScript code is
- // loaded.
- static Handle<Context> debug_context_;
-
- // Boolean state indicating whether any break points are set.
- static bool has_break_points_;
- static DebugInfoListNode* debug_info_list_;
-
- static bool disable_break_;
- static bool break_on_exception_;
- static bool break_on_uncaught_exception_;
-
- // Per-thread data.
- class ThreadLocal {
- public:
- // Counter for generating next break id.
- int break_count_;
-
- // Current break id.
- int break_id_;
-
- // Frame id for the frame of the current break.
- StackFrame::Id break_frame_id_;
-
- // Step action for last step performed.
- StepAction last_step_action_;
-
- // Source statement position from last step next action.
- int last_statement_position_;
-
- // Number of steps left to perform before debug event.
- int step_count_;
-
- // Frame pointer from last step next action.
- Address last_fp_;
-
- // Frame pointer for frame from which step in was performed.
- Address step_into_fp_;
-
- // Storage location for jump when exiting debug break calls.
- Address after_break_target_;
-
- // Top debugger entry.
- EnterDebugger* debugger_entry_;
-
- // Preemption happened while debugging.
- bool preemption_pending_;
- };
-
- // Storage location for registers when handling debug break calls
- static JSCallerSavedBuffer registers_;
- static ThreadLocal thread_local_;
- static void ThreadInit();
-
- // Code object for debug break return entry code.
- static Code* debug_break_return_entry_;
-
- // Code to call for handling debug break on return.
- static Code* debug_break_return_;
-
- DISALLOW_COPY_AND_ASSIGN(Debug);
-};
-
-
-// A Queue of Vector<uint16_t> objects. A thread-safe version is
-// LockingMessageQueue, based on this class.
-class MessageQueue BASE_EMBEDDED {
- public:
- explicit MessageQueue(int size);
- ~MessageQueue();
- bool IsEmpty() const { return start_ == end_; }
- Vector<uint16_t> Get();
- void Put(const Vector<uint16_t>& message);
- void Clear() { start_ = end_ = 0; } // Queue is empty after Clear().
- private:
- // Doubles the size of the message queue, and copies the messages.
- void Expand();
-
- Vector<uint16_t>* messages_;
- int start_;
- int end_;
- int size_; // The size of the queue buffer. Queue can hold size-1 messages.
-};
-
-
-// LockingMessageQueue is a thread-safe circular buffer of Vector<uint16_t>
-// messages. The message data is not managed by LockingMessageQueue.
-// Pointers to the data are passed in and out. Implemented by adding a
-// Mutex to MessageQueue. Includes logging of all puts and gets.
-class LockingMessageQueue BASE_EMBEDDED {
- public:
- explicit LockingMessageQueue(int size);
- ~LockingMessageQueue();
- bool IsEmpty() const;
- Vector<uint16_t> Get();
- void Put(const Vector<uint16_t>& message);
- void Clear();
- private:
- MessageQueue queue_;
- Mutex* lock_;
- DISALLOW_COPY_AND_ASSIGN(LockingMessageQueue);
-};
-
-
-class DebugMessageThread;
-
-class Debugger {
- public:
- static void DebugRequest(const uint16_t* json_request, int length);
-
- static Handle<Object> MakeJSObject(Vector<const char> constructor_name,
- int argc, Object*** argv,
- bool* caught_exception);
- static Handle<Object> MakeExecutionState(bool* caught_exception);
- static Handle<Object> MakeBreakEvent(Handle<Object> exec_state,
- Handle<Object> break_points_hit,
- bool* caught_exception);
- static Handle<Object> MakeExceptionEvent(Handle<Object> exec_state,
- Handle<Object> exception,
- bool uncaught,
- bool* caught_exception);
- static Handle<Object> MakeNewFunctionEvent(Handle<Object> func,
- bool* caught_exception);
- static Handle<Object> MakeCompileEvent(Handle<Script> script,
- bool before,
- bool* caught_exception);
- static void OnDebugBreak(Handle<Object> break_points_hit, bool auto_continue);
- static void OnException(Handle<Object> exception, bool uncaught);
- static void OnBeforeCompile(Handle<Script> script);
- static void OnAfterCompile(Handle<Script> script,
- Handle<JSFunction> fun);
- static void OnNewFunction(Handle<JSFunction> fun);
- static void ProcessDebugEvent(v8::DebugEvent event,
- Handle<Object> event_data,
- bool auto_continue);
- static void NotifyMessageHandler(v8::DebugEvent event,
- Handle<Object> exec_state,
- Handle<Object> event_data,
- bool auto_continue);
- static void SetEventListener(Handle<Object> callback, Handle<Object> data);
- static void SetMessageHandler(v8::DebugMessageHandler handler, void* data,
- bool message_handler_thread);
- static void TearDown();
- static void SetHostDispatchHandler(v8::DebugHostDispatchHandler handler,
- void* data);
-
- // Invoke the message handler function.
- static void InvokeMessageHandler(Vector< uint16_t> message);
-
- // Send a message to the message handler eiher through the message thread or
- // directly.
- static void SendMessage(Vector<uint16_t> message);
-
- // Send the JSON message for a debug event.
- static bool SendEventMessage(Handle<Object> event_data);
-
- // Add a debugger command to the command queue.
- static void ProcessCommand(Vector<const uint16_t> command);
-
- // Check whether there are commands in the command queue.
- static bool HasCommands();
-
- static void ProcessHostDispatch(void* dispatch);
- static Handle<Object> Call(Handle<JSFunction> fun,
- Handle<Object> data,
- bool* pending_exception);
-
- // Start the debugger agent listening on the provided port.
- static bool StartAgent(const char* name, int port);
-
- // Stop the debugger agent.
- static void StopAgent();
-
- // Unload the debugger if possible. Only called when no debugger is currently
- // active.
- static void UnloadDebugger();
-
- inline static bool EventActive(v8::DebugEvent event) {
- ScopedLock with(debugger_access_);
-
- // Check whether the message handler was been cleared.
- if (message_handler_cleared_) {
- UnloadDebugger();
- }
-
- // Currently argument event is not used.
- return !compiling_natives_ && Debugger::IsDebuggerActive();
- }
-
- static void set_compiling_natives(bool compiling_natives) {
- Debugger::compiling_natives_ = compiling_natives;
- }
- static bool compiling_natives() { return Debugger::compiling_natives_; }
- static void set_loading_debugger(bool v) { is_loading_debugger_ = v; }
- static bool is_loading_debugger() { return Debugger::is_loading_debugger_; }
-
- private:
- static bool IsDebuggerActive();
-
- static Mutex* debugger_access_; // Mutex guarding debugger variables.
- static Handle<Object> event_listener_; // Global handle to listener.
- static Handle<Object> event_listener_data_;
- static bool compiling_natives_; // Are we compiling natives?
- static bool is_loading_debugger_; // Are we loading the debugger?
- static bool never_unload_debugger_; // Can we unload the debugger?
- static DebugMessageThread* message_thread_;
- static v8::DebugMessageHandler message_handler_;
- static bool message_handler_cleared_; // Was message handler cleared?
- static void* message_handler_data_;
- static v8::DebugHostDispatchHandler host_dispatch_handler_;
- static void* host_dispatch_handler_data_;
-
- static DebuggerAgent* agent_;
-
- static const int kQueueInitialSize = 4;
- static LockingMessageQueue command_queue_;
- static LockingMessageQueue message_queue_;
- static Semaphore* command_received_; // Signaled for each command received.
- static Semaphore* message_received_; // Signalled for each message send.
-
- friend class EnterDebugger;
- friend class DebugMessageThread;
-};
-
-
-// Thread to read messages from the message queue and invoke the debug message
-// handler in another thread as the V8 thread. This thread is started if the
-// registration of the debug message handler requested to be called in a thread
-// seperate from the V8 thread.
-class DebugMessageThread: public Thread {
- public:
- DebugMessageThread() : keep_running_(true) {}
- virtual ~DebugMessageThread() {}
-
- // Main function of DebugMessageThread thread.
- void Run();
- void Stop();
-
- private:
- bool keep_running_;
- DISALLOW_COPY_AND_ASSIGN(DebugMessageThread);
-};
-
-
-// This class is used for entering the debugger. Create an instance in the stack
-// to enter the debugger. This will set the current break state, make sure the
-// debugger is loaded and switch to the debugger context. If the debugger for
-// some reason could not be entered FailedToEnter will return true.
-class EnterDebugger BASE_EMBEDDED {
- public:
- EnterDebugger()
- : prev_(Debug::debugger_entry()),
- has_js_frames_(!it_.done()) {
- ASSERT(prev_ == NULL ? !Debug::preemption_pending() : true);
-
- // Link recursive debugger entry.
- Debug::set_debugger_entry(this);
-
- // Store the previous break id and frame id.
- break_id_ = Debug::break_id();
- break_frame_id_ = Debug::break_frame_id();
-
- // Create the new break info. If there is no JavaScript frames there is no
- // break frame id.
- if (has_js_frames_) {
- Debug::NewBreak(it_.frame()->id());
- } else {
- Debug::NewBreak(StackFrame::NO_ID);
- }
-
- // Make sure that debugger is loaded and enter the debugger context.
- load_failed_ = !Debug::Load();
- if (!load_failed_) {
- // NOTE the member variable save which saves the previous context before
- // this change.
- Top::set_context(*Debug::debug_context());
- }
- }
-
- ~EnterDebugger() {
- // Restore to the previous break state.
- Debug::SetBreak(break_frame_id_, break_id_);
-
- // Request preemption when leaving the last debugger entry and a preemption
- // had been recorded while debugging. This is to avoid starvation in some
- // debugging scenarios.
- if (prev_ == NULL && Debug::preemption_pending()) {
- StackGuard::Preempt();
- Debug::set_preemption_pending(false);
- }
-
- // If there are commands in the queue when leaving the debugger request that
- // these commands are processed.
- if (prev_ == NULL && Debugger::HasCommands()) {
- StackGuard::DebugCommand();
- }
-
- // If leaving the debugger with the debugger no longer active unload it.
- if (prev_ == NULL) {
- if (!Debugger::IsDebuggerActive()) {
- Debugger::UnloadDebugger();
- }
- }
-
- // Leaving this debugger entry.
- Debug::set_debugger_entry(prev_);
- }
-
- // Check whether the debugger could be entered.
- inline bool FailedToEnter() { return load_failed_; }
-
- // Check whether there are any JavaScript frames on the stack.
- inline bool HasJavaScriptFrames() { return has_js_frames_; }
-
- private:
- EnterDebugger* prev_; // Previous debugger entry if entered recursively.
- JavaScriptFrameIterator it_;
- const bool has_js_frames_; // Were there any JavaScript frames?
- StackFrame::Id break_frame_id_; // Previous break frame id.
- int break_id_; // Previous break id.
- bool load_failed_; // Did the debugger fail to load?
- SaveContext save_; // Saves previous context.
-};
-
-
-// Stack allocated class for disabling break.
-class DisableBreak BASE_EMBEDDED {
- public:
- // Enter the debugger by storing the previous top context and setting the
- // current top context to the debugger context.
- explicit DisableBreak(bool disable_break) {
- prev_disable_break_ = Debug::disable_break();
- Debug::set_disable_break(disable_break);
- }
- ~DisableBreak() {
- Debug::set_disable_break(prev_disable_break_);
- }
-
- private:
- // The previous state of the disable break used to restore the value when this
- // object is destructed.
- bool prev_disable_break_;
-};
-
-
-// Debug_Address encapsulates the Address pointers used in generating debug
-// code.
-class Debug_Address {
- public:
- Debug_Address(Debug::AddressId id, int reg = 0)
- : id_(id), reg_(reg) {
- ASSERT(reg == 0 || id == Debug::k_register_address);
- }
-
- static Debug_Address AfterBreakTarget() {
- return Debug_Address(Debug::k_after_break_target_address);
- }
-
- static Debug_Address DebugBreakReturn() {
- return Debug_Address(Debug::k_debug_break_return_address);
- }
-
- static Debug_Address Register(int reg) {
- return Debug_Address(Debug::k_register_address, reg);
- }
-
- Address address() const {
- switch (id_) {
- case Debug::k_after_break_target_address:
- return reinterpret_cast<Address>(Debug::after_break_target_address());
- case Debug::k_debug_break_return_address:
- return reinterpret_cast<Address>(Debug::debug_break_return_address());
- case Debug::k_register_address:
- return reinterpret_cast<Address>(Debug::register_address(reg_));
- default:
- UNREACHABLE();
- return NULL;
- }
- }
- private:
- Debug::AddressId id_;
- int reg_;
-};
-
-
-} } // namespace v8::internal
-
-#endif // ENABLE_DEBUGGER_SUPPORT
-
-#endif // V8_V8_DEBUG_H_
generated by cgit v1.1 at 2025-01-09 08:47:15 +0000