Beginnings of the architecture abstraction.

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@31104 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/apps/debugger/Jamfile

@@ -6,6 +6,8 @@ C++FLAGS += -Werror ;
 UsePrivateHeaders debug interface kernel shared ;
 UsePrivateSystemHeaders ;
 
+SEARCH_SOURCE += [ FDirName $(SUBDIR) arch ] ;
+SEARCH_SOURCE += [ FDirName $(SUBDIR) arch x86 ] ;
 SEARCH_SOURCE += [ FDirName $(SUBDIR) debugger_interface ] ;
 SEARCH_SOURCE += [ FDirName $(SUBDIR) gui team_window ] ;
 
@@ -17,7 +19,6 @@ SubDirHdrs [ FDirName $(debugAnalyzerSources) gui ] ;
 SubDirHdrs [ FDirName $(debugAnalyzerSources) util ] ;
 
 Application Debugger :
-	CpuState.cpp
 	Debugger.cpp
 #	ElfFile.cpp
 	Image.cpp
@@ -28,17 +29,27 @@ Application Debugger :
 	Thread.cpp
 	ThreadInfo.cpp
 
-	# DebugAnalyzer:util
-	Variant.cpp
+	# arch
+	Architecture.cpp
+	CpuState.cpp
+	StackFrame.cpp
+	StackTrace.cpp
+
+	# arch/x86
+	ArchitectureX86.cpp
+	CpuStateX86.cpp
+
+	# debugger_interface
+	DebugEvent.cpp
+	DebuggerInterface.cpp
 
 	# gui/team_window
 	ImageListView.cpp
 	TeamWindow.cpp
 	ThreadListView.cpp
 
-	# debugger_interface
-	DebugEvent.cpp
-	DebuggerInterface.cpp
+	# DebugAnalyzer:util
+	Variant.cpp
 
 # DWARF
 #	attribute_classes.cpp

src/apps/debugger/TeamDebugger.cpp

@@ -337,4 +337,5 @@ TeamDebugger::_UpdateThreadState(::Thread* thread)
 		newState = THREAD_STATE_RUNNING;
 
 	thread->SetState(newState);
+	thread->SetCpuState(state);
 }

src/apps/debugger/Thread.cpp

@@ -5,18 +5,27 @@
 
 #include "Thread.h"
 
+#include "CpuState.h"
+#include "StackTrace.h"
+
 
 Thread::Thread(Team* team, thread_id threadID)
 	:
 	fTeam(team),
 	fID(threadID),
-	fState(THREAD_STATE_UNKNOWN)
+	fState(THREAD_STATE_UNKNOWN),
+	fCpuState(NULL),
+	fStackTrace(NULL)
 {
 }
 
 
 Thread::~Thread()
 {
+	if (fCpuState != NULL)
+		fCpuState->RemoveReference();
+	if (fStackTrace != NULL)
+		fStackTrace->RemoveReference();
 }
 
 
@@ -37,5 +46,45 @@ Thread::SetName(const BString& name)
 void
 Thread::SetState(uint32 state)
 {
+	if (state == fState)
+		return;
+
 	fState = state;
+
+	// unset CPU state and stack trace, if the thread isn't stopped
+	if (fState != THREAD_STATE_STOPPED) {
+		SetCpuState(NULL);
+		SetStackTrace(NULL);
+	}
+}
+
+
+void
+Thread::SetCpuState(CpuState* state)
+{
+	if (state == fCpuState)
+		return;
+
+	if (fCpuState != NULL)
+		fCpuState->RemoveReference();
+
+	fCpuState = state;
+
+	if (fCpuState != NULL)
+		fCpuState->AddReference();
+}
+
+void
+Thread::SetStackTrace(StackTrace* trace)
+{
+	if (trace == fStackTrace)
+		return;
+
+	if (fStackTrace != NULL)
+		fStackTrace->RemoveReference();
+
+	fStackTrace = trace;
+
+	if (fStackTrace != NULL)
+		fStackTrace->AddReference();
 }

src/apps/debugger/Thread.h

@@ -12,6 +12,8 @@
 #include <util/DoublyLinkedList.h>
 
 
+class CpuState;
+class StackTrace;
 class Team;
 
 
@@ -38,11 +40,19 @@ public:
 			uint32				State() const	{ return fState; }
 			void				SetState(uint32 state);
 
+			CpuState*			GetCpuState() const	{ return fCpuState; }
+			void				SetCpuState(CpuState* state);
+
+			StackTrace*			GetStackTrace() const	{ return fStackTrace; }
+			void				SetStackTrace(StackTrace* trace);
+
 private:
 			Team*				fTeam;
 			thread_id			fID;
 			BString				fName;
 			uint32				fState;
+			CpuState*			fCpuState;
+			StackTrace*			fStackTrace;
 };
 
 

src/apps/debugger/arch/Architecture.cpp

@@ -0,0 +1,18 @@
+/*
+ * Copyright 2009, Ingo Weinhold, ingo_weinhold@gmx.de.
+ * Distributed under the terms of the MIT License.
+ */
+
+#include "Architecture.h"
+
+
+Architecture::Architecture(DebuggerInterface* debuggerInterface)
+	:
+	fDebuggerInterface(debuggerInterface)
+{
+}
+
+
+Architecture::~Architecture()
+{
+}

src/apps/debugger/arch/Architecture.h

@@ -0,0 +1,31 @@
+/*
+ * Copyright 2009, Ingo Weinhold, ingo_weinhold@gmx.de.
+ * Distributed under the terms of the MIT License.
+ */
+#ifndef ARCHITECTURE_H
+#define ARCHITECTURE_H
+
+#include <OS.h>
+
+#include <Referenceable.h>
+
+
+class CpuState;
+class DebuggerInterface;
+
+
+class Architecture : public Referenceable {
+public:
+								Architecture(
+									DebuggerInterface* debuggerInterface);
+	virtual						~Architecture();
+
+	virtual	status_t			CreateCpuState(const void* cpuStateData,
+									size_t size, CpuState*& _state) = 0;
+
+protected:
+			DebuggerInterface*	fDebuggerInterface;
+};
+
+
+#endif	// ARCHITECTURE_H

src/apps/debugger/arch/ArchitectureTypes.h

@@ -0,0 +1,13 @@
+/*
+ * Copyright 2009, Ingo Weinhold, ingo_weinhold@gmx.de.
+ * Distributed under the terms of the MIT License.
+ */
+#ifndef ARCHITECTURE_TYPES_H
+#define ARCHITECTURE_TYPES_H
+
+
+typedef uint64 target_addr_t;
+
+
+
+#endif	// ARCHITECTURE_TYPES_H

src/apps/debugger/arch/StackFrame.cpp

@@ -0,0 +1,11 @@
+/*
+ * Copyright 2009, Ingo Weinhold, ingo_weinhold@gmx.de.
+ * Distributed under the terms of the MIT License.
+ */
+
+#include "StackFrame.h"
+
+
+StackFrame::~StackFrame()
+{
+}

src/apps/debugger/arch/StackFrame.h

@@ -0,0 +1,35 @@
+/*
+ * Copyright 2009, Ingo Weinhold, ingo_weinhold@gmx.de.
+ * Distributed under the terms of the MIT License.
+ */
+#ifndef STACK_FRAME_H
+#define STACK_FRAME_H
+
+#include <OS.h>
+
+#include <Referenceable.h>
+#include <util/DoublyLinkedList.h>
+
+#include "ArchitectureTypes.h"
+
+
+class CpuState;
+
+
+class StackFrame : public Referenceable,
+	public DoublyLinkedListLinkImpl<StackFrame> {
+public:
+	virtual						~StackFrame();
+
+	virtual	CpuState*			GetCpuState() const = 0;
+
+	virtual	target_addr_t		FrameAddress() const = 0;
+	virtual	target_addr_t		ReturnAddress() const = 0;
+	virtual	target_addr_t		PreviousFrameAddress() const = 0;
+};
+
+
+typedef DoublyLinkedList<StackFrame> StackFrameList;
+
+
+#endif	// STACK_FRAME_H

src/apps/debugger/arch/StackTrace.cpp

@@ -0,0 +1,25 @@
+/*
+ * Copyright 2009, Ingo Weinhold, ingo_weinhold@gmx.de.
+ * Distributed under the terms of the MIT License.
+ */
+
+#include "StackTrace.h"
+
+
+StackTrace::StackTrace()
+{
+}
+
+
+StackTrace::~StackTrace()
+{
+	while (StackFrame* frame = fStackFrames.RemoveHead())
+		frame->RemoveReference();
+}
+
+
+void
+StackTrace::AddFrame(StackFrame* frame)
+{
+	fStackFrames.Add(frame);
+}

src/apps/debugger/arch/StackTrace.h

@@ -0,0 +1,31 @@
+/*
+ * Copyright 2009, Ingo Weinhold, ingo_weinhold@gmx.de.
+ * Distributed under the terms of the MIT License.
+ */
+#ifndef STACK_TRACE_H
+#define STACK_TRACE_H
+
+#include "StackFrame.h"
+
+
+class StackTrace : public Referenceable {
+public:
+								StackTrace();
+	virtual						~StackTrace();
+
+			void				AddFrame(StackFrame* frame);
+									// takes over reference
+
+			const StackFrameList& Frames() const	{ return fStackFrames; }
+
+			StackFrame*			TopFrame() const
+									{ return fStackFrames.Head(); }
+			StackFrame*			BottomFrame() const
+									{ return fStackFrames.Tail(); }
+
+private:
+			StackFrameList		fStackFrames;
+};
+
+
+#endif	// STACK_TRACE_H

src/apps/debugger/arch/x86/ArchitectureX86.cpp

@@ -0,0 +1,39 @@
+/*
+ * Copyright 2009, Ingo Weinhold, ingo_weinhold@gmx.de.
+ * Distributed under the terms of the MIT License.
+ */
+
+#include "ArchitectureX86.h"
+
+#include <new>
+
+#include "CpuStateX86.h"
+
+
+ArchitectureX86::ArchitectureX86(DebuggerInterface* debuggerInterface)
+	:
+	Architecture(debuggerInterface)
+{
+}
+
+
+ArchitectureX86::~ArchitectureX86()
+{
+}
+
+
+status_t
+ArchitectureX86::CreateCpuState(const void* cpuStateData, size_t size,
+	CpuState*& _state)
+{
+	if (size != sizeof(debug_cpu_state_x86))
+		return B_BAD_VALUE;
+
+	CpuStateX86* state = new(std::nothrow) CpuStateX86(
+		*(const debug_cpu_state_x86*)cpuStateData);
+	if (state == NULL)
+		return B_NO_MEMORY;
+
+	_state = state;
+	return B_OK;
+}

src/apps/debugger/arch/x86/ArchitectureX86.h

@@ -0,0 +1,22 @@
+/*
+ * Copyright 2009, Ingo Weinhold, ingo_weinhold@gmx.de.
+ * Distributed under the terms of the MIT License.
+ */
+#ifndef ARCHITECTURE_X86_H
+#define ARCHITECTURE_X86_H
+
+#include "Architecture.h"
+
+
+class ArchitectureX86 : public Architecture {
+public:
+								ArchitectureX86(
+									DebuggerInterface* debuggerInterface);
+	virtual						~ArchitectureX86();
+
+	virtual	status_t			CreateCpuState(const void* cpuStateData,
+									size_t size, CpuState*& _state);
+};
+
+
+#endif	// ARCHITECTURE_X86_H

src/apps/debugger/arch/x86/CpuStateX86.cpp

@@ -0,0 +1,18 @@
+/*
+ * Copyright 2009, Ingo Weinhold, ingo_weinhold@gmx.de.
+ * Distributed under the terms of the MIT License.
+ */
+
+#include "CpuStateX86.h"
+
+
+CpuStateX86::CpuStateX86(const debug_cpu_state_x86& state)
+	:
+	fState(state)
+{
+}
+
+
+CpuStateX86::~CpuStateX86()
+{
+}

src/apps/debugger/arch/x86/CpuStateX86.h

@@ -0,0 +1,29 @@
+/*
+ * Copyright 2009, Ingo Weinhold, ingo_weinhold@gmx.de.
+ * Distributed under the terms of the MIT License.
+ */
+#ifndef CPU_STATE_X86_H
+#define CPU_STATE_X86_H
+
+#include <debugger.h>
+
+#include "CpuState.h"
+
+
+typedef debug_cpu_state debug_cpu_state_x86;
+	// TODO: Should be defined by <debugger.h>!
+
+
+class CpuStateX86 : public CpuState {
+public:
+								CpuStateX86(const debug_cpu_state_x86& state);
+	virtual						~CpuStateX86();
+
+			const debug_cpu_state_x86 State() const { return fState; }
+
+private:
+			debug_cpu_state_x86	fState;
+};
+
+
+#endif	// CPU_STATE_X86_H

src/apps/debugger/debugger_interface/DebugEvent.h

@@ -7,12 +7,10 @@
 
 #include <debugger.h>
 
+#include "ArchitectureTypes.h"
 #include "ImageInfo.h"
 
 
-typedef uint64 target_addr_t;
-	// TODO: Define elsewhere!
-
 class CpuState;
 
 

src/apps/debugger/debugger_interface/DebuggerInterface.cpp

@@ -11,6 +11,7 @@
 
 #include "debug_utils.h"
 
+#include "ArchitectureX86.h"
 #include "CpuState.h"
 #include "DebugEvent.h"
 #include "ImageInfo.h"
@@ -21,7 +22,8 @@ DebuggerInterface::DebuggerInterface(team_id teamID)
 	:
 	fTeamID(teamID),
 	fDebuggerPort(-1),
-	fNubPort(-1)
+	fNubPort(-1),
+	fArchitecture(NULL)
 {
 	fDebugContext.reply_port = -1;
 }
@@ -29,6 +31,8 @@ DebuggerInterface::DebuggerInterface(team_id teamID)
 
 DebuggerInterface::~DebuggerInterface()
 {
+	fArchitecture->RemoveReference();
+
 	destroy_debug_context(&fDebugContext);
 
 	Close();
@@ -38,6 +42,16 @@ DebuggerInterface::~DebuggerInterface()
 status_t
 DebuggerInterface::Init()
 {
+	// create the architecture
+#ifdef ARCH_x86
+	fArchitecture = new(std::nothrow) ArchitectureX86(this);
+#else
+	return B_UNSUPPORTED;
+#endif
+
+	if (fArchitecture == NULL)
+		return B_NO_MEMORY;
+
 	// create debugger port
 	char buffer[128];
 	snprintf(buffer, sizeof(buffer), "team %ld debugger", fTeamID);
@@ -211,20 +225,47 @@ DebuggerInterface::_CreateDebugEvent(int32 messageCode,
 				(target_addr_t)message.debugger_call.message);
 			break;
 		case B_DEBUGGER_MESSAGE_BREAKPOINT_HIT:
+		{
+			CpuState* state = NULL;
+			status_t error = fArchitecture->CreateCpuState(
+				&message.breakpoint_hit.cpu_state,
+				sizeof(debug_cpu_state), state);
+			if (error != B_OK)
+				return error;
+
 			event = new(std::nothrow) BreakpointHitEvent(message.origin.team,
-				message.origin.thread, NULL);
-					// TODO: CpuState!
+				message.origin.thread, state);
+			state->RemoveReference();
 			break;
+		}
 		case B_DEBUGGER_MESSAGE_WATCHPOINT_HIT:
+		{
+			CpuState* state = NULL;
+			status_t error = fArchitecture->CreateCpuState(
+				&message.watchpoint_hit.cpu_state,
+				sizeof(debug_cpu_state), state);
+			if (error != B_OK)
+				return error;
+
 			event = new(std::nothrow) WatchpointHitEvent(message.origin.team,
-				message.origin.thread, NULL);
-					// TODO: CpuState!
+				message.origin.thread, state);
+			state->RemoveReference();
 			break;
+		}
 		case B_DEBUGGER_MESSAGE_SINGLE_STEP:
+		{
+			CpuState* state = NULL;
+			status_t error = fArchitecture->CreateCpuState(
+				&message.single_step.cpu_state,
+				sizeof(debug_cpu_state), state);
+			if (error != B_OK)
+				return error;
+
 			event = new(std::nothrow) SingleStepEvent(message.origin.team,
-				message.origin.thread, NULL);
-					// TODO: CpuState!
+				message.origin.thread, state);
+			state->RemoveReference();
 			break;
+		}
 		case B_DEBUGGER_MESSAGE_EXCEPTION_OCCURRED:
 			event = new(std::nothrow) ExceptionOccurredEvent(
 				message.origin.team, message.origin.thread,

src/apps/debugger/debugger_interface/DebuggerInterface.h

@@ -11,6 +11,7 @@
 #include <ObjectList.h>
 
 
+class Architecture;
 class CpuState;
 class DebugEvent;
 class ImageInfo;
@@ -25,6 +26,9 @@ public:
 			status_t			Init();
 			void				Close();
 
+			Architecture*		GetArchitecture() const
+									{ return fArchitecture; }
+
 	virtual	status_t			GetNextDebugEvent(DebugEvent*& _event);
 
 	virtual	status_t			SetTeamDebuggingFlags(uint32 flags);
@@ -50,6 +54,8 @@ private:
 			port_id				fDebuggerPort;
 			port_id				fNubPort;
 			debug_context		fDebugContext;
+				// TODO: Use a debug context pool!
+			Architecture*		fArchitecture;
 };
 
 #endif	// DEBUGGER_INTERFACE_H