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Commit 7d43bceb authored by Ulrich Weigand's avatar Ulrich Weigand Committed by Alexandre Julliard
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Moved debugger to libwine to make it available to WineLib apps.

Try to invoke external debugger if internal debugger crashes. Try to handle early invocation of debugger more gracefully.
parent f3bfa3a4
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Showing with 32 additions and 57 deletions
Makefile.in
View file @ 7d43bceb
......@@ -34,6 +34,7 @@ TOOLSUBDIRS = \
LIBSUBDIRS = \
controls \
console \
debugger \
dlls/advapi32 \
dlls/avifil32 \
dlls/comctl32 \
......@@ -115,7 +116,6 @@ X11SUBDIRS = \
windows/x11drv
EMUSUBDIRS = \
debugger \
miscemu \
server
......@@ -154,6 +154,7 @@ CLEANSUBDIRS = dlls include include/bitmaps include/wine
LIBOBJS = \
controls/controls.o \
console/console.o \
debugger/debugger.o \
dlls/advapi32/advapi32.o \
dlls/avifil32/avifil32.o \
dlls/comctl32/comctl32.o \
......@@ -234,7 +235,6 @@ X11OBJS = \
windows/x11drv/x11drv.o
EMUOBJS = \
debugger/debugger.o \
miscemu/miscemu.o
EXTRA_OBJS = $(LIBOBJS) $(X11OBJS)
......
debugger/dbg.y
View file @ 7d43bceb
......@@ -423,10 +423,16 @@ static void DEBUG_Freeze( BOOL freeze )
if ( freeze && !frozen )
{
/* Don't freeze thread currently holding the X crst! */
EnterCriticalSection( &X11DRV_CritSection );
CLIENT_DebuggerRequest( DEBUGGER_FREEZE_ALL );
LeaveCriticalSection( &X11DRV_CritSection );
if ( X11DRV_CritSection.LockSemaphore )
{
/* Don't freeze thread currently holding the X crst! */
EnterCriticalSection( &X11DRV_CritSection );
CLIENT_DebuggerRequest( DEBUGGER_FREEZE_ALL );
LeaveCriticalSection( &X11DRV_CritSection );
}
else
CLIENT_DebuggerRequest( DEBUGGER_FREEZE_ALL );
frozen = TRUE;
}
......@@ -468,7 +474,8 @@ static void DEBUG_Main( BOOL is_debug )
if (in_debugger)
{
fprintf( stderr, " inside debugger, exiting.\n" );
fprintf( stderr, " inside debugger, trying to invoke external debugger.\n" );
DEBUG_ExternalDebugger();
DEBUG_Exit(1);
}
in_debugger = TRUE;
......@@ -554,7 +561,7 @@ static void DEBUG_Main( BOOL is_debug )
DEBUG_Freeze( TRUE );
/* Put the display in a correct state */
USER_Driver->pBeginDebugging();
if (USER_Driver) USER_Driver->pBeginDebugging();
#ifdef __i386__
newmode = ISV86(&DEBUG_context) ? 16 : IS_SELECTOR_32BIT(addr.seg) ? 32 : 16;
......@@ -633,7 +640,7 @@ static void DEBUG_Main( BOOL is_debug )
in_debugger = FALSE;
USER_Driver->pEndDebugging();
if (USER_Driver) USER_Driver->pEndDebugging();
}
......
debugger/external.c
View file @ 7d43bceb
......@@ -14,7 +14,7 @@
#include <stdio.h>
#include <string.h>
#include "options.h"
#define DBG_BUFF_SIZE 12
......@@ -90,9 +90,9 @@ void DEBUG_ExternalDebugger(void)
if (child_pid == 0)
{
int status;
char *dbg_external;
char *dbg_wine_location;
char *dbg_no_xterm;
const char *dbg_external;
const char *dbg_wine_location;
const char *dbg_no_xterm;
char pid_string[DBG_BUFF_SIZE];
......@@ -107,7 +107,7 @@ void DEBUG_ExternalDebugger(void)
/* if not set in environment, use default */
if (!dbg_wine_location)
dbg_wine_location = "/usr/local/bin/wine";
dbg_wine_location = argv0;
/* check for empty string in WINE_DBG_NO_XTERM */
if (dbg_no_xterm && (strlen(dbg_no_xterm) < 1))
......
dlls/ntdll/exception.c
View file @ 7d43bceb
......@@ -13,6 +13,7 @@
#include "wine/exception.h"
#include "stackframe.h"
#include "miscemu.h"
#include "debugger.h"
#include "debugtools.h"
DEFAULT_DEBUG_CHANNEL(seh)
......@@ -25,36 +26,6 @@ typedef struct
} EXC_NESTED_FRAME;
/* Default hook for built-in debugger */
static DWORD default_hook( EXCEPTION_RECORD *rec, CONTEXT *ctx, BOOL first )
{
if (!first)
{
DPRINTF( "stopping process due to unhandled exception %08lx.\n",
rec->ExceptionCode );
raise( SIGSTOP );
}
return 0; /* not handled */
}
static DEBUGHOOK debug_hook = default_hook;
/*******************************************************************
* EXC_SetDebugEventHook
* EXC_GetDebugEventHook
*
* Set/Get the hook for the built-in debugger.
*
* FIXME: the built-in debugger should use the normal debug events.
*/
void EXC_SetDebugEventHook( DEBUGHOOK hook )
{
debug_hook = hook;
}
DEBUGHOOK EXC_GetDebugEventHook(void)
{
return debug_hook;
}
/*******************************************************************
* EXC_RaiseHandler
*
......@@ -125,7 +96,7 @@ static void EXC_DefaultHandling( EXCEPTION_RECORD *rec, CONTEXT *context )
(DEBUG_SendExceptionEvent( rec, FALSE, context ) == DBG_CONTINUE))
return; /* continue execution */
if (debug_hook( rec, context, FALSE ) == DBG_CONTINUE)
if (wine_debugger( rec, context, FALSE ) == DBG_CONTINUE)
return; /* continue execution */
if (rec->ExceptionFlags & EH_STACK_INVALID)
......@@ -155,7 +126,7 @@ void WINAPI EXC_RtlRaiseException( EXCEPTION_RECORD *rec, CONTEXT *context )
(DEBUG_SendExceptionEvent( rec, TRUE, context ) == DBG_CONTINUE))
return; /* continue execution */
if (debug_hook( rec, context, TRUE ) == DBG_CONTINUE)
if (wine_debugger( rec, context, TRUE ) == DBG_CONTINUE)
return; /* continue execution */
frame = NtCurrentTeb()->except;
......
include/debugger.h
View file @ 7d43bceb
......@@ -325,6 +325,9 @@ extern void DEBUG_NukePath(void);
extern void DEBUG_GetCurrentAddress( DBG_ADDR * );
extern void DEBUG_Disassemble( const DBG_ADDR *, const DBG_ADDR*, int offset );
/* debugger/external.c */
extern void DEBUG_ExternalDebugger(void);
/* debugger/dbg.y */
extern DWORD wine_debugger( EXCEPTION_RECORD *rec, CONTEXT *context, BOOL first_chance );
extern void DEBUG_Exit( DWORD exit_code );
......
include/thread.h
View file @ 7d43bceb
......@@ -63,7 +63,7 @@ typedef struct _TEB
void *signal_stack; /* --3 58 Signal stack (was: exit_stack) */
void *emu_data; /* --n 5c Related to 80387 emulation */
DWORD last_error; /* 1-- 60 Last error code */
HANDLE event; /* --3 64 Thread event (was: debugger context block) */
HANDLE debug_cb; /* 1-n 64 Debugger context block */
DWORD debug_thread; /* 1-n 68 Thread debugging this one (?) */
void *pcontext; /* 1-n 6c Thread register context */
DWORD cur_stack; /* --3 70 Current stack (was: unknown) */
......
include/wine/exception.h
View file @ 7d43bceb
......@@ -172,9 +172,6 @@ extern void WINAPI EXC_RtlUnwind( PEXCEPTION_FRAME, LPVOID,
PEXCEPTION_RECORD, DWORD, CONTEXT * );
extern void WINAPI EXC_DebugBreak( CONTEXT *context );
typedef DWORD (*DEBUGHOOK)( EXCEPTION_RECORD *, CONTEXT *, BOOL );
extern void EXC_SetDebugEventHook( DEBUGHOOK hook );
extern DEBUGHOOK EXC_GetDebugEventHook(void);
extern BOOL SIGNAL_Init(void);
#endif
......
miscemu/main.c
View file @ 7d43bceb
......@@ -108,12 +108,8 @@ int main( int argc, char *argv[] )
{
NE_MODULE *pModule;
/* Set up debugger hook */
EXC_SetDebugEventHook( wine_debugger );
TASK_AddTaskEntryBreakpoint = DEBUG_AddTaskEntryBreakpoint;
/* Initialize everything */
if (!MAIN_MainInit( &argc, argv )) return 1;
if (!MAIN_MainInit( &argc, argv, FALSE )) return 1;
MAIN_argc = argc; MAIN_argv = argv;
/* Create initial task */
......
win32/except.c
View file @ 7d43bceb
......@@ -31,6 +31,7 @@
#include "process.h"
#include "thread.h"
#include "stackframe.h"
#include "debugger.h"
#include "debugtools.h"
DEFAULT_DEBUG_CHANNEL(seh)
......@@ -78,8 +79,8 @@ DWORD WINAPI UnhandledExceptionFilter(PEXCEPTION_POINTERS epointers)
}
/* FIXME: does not belong here */
if (((*EXC_GetDebugEventHook())( epointers->ExceptionRecord,
epointers->ContextRecord, FALSE )) == DBG_CONTINUE)
if (wine_debugger( epointers->ExceptionRecord,
epointers->ContextRecord, FALSE ) == DBG_CONTINUE)
return EXCEPTION_CONTINUE_EXECUTION;
/* FIXME: Should check the current error mode */
......
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