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Removed PDB32_DEBUGGED flag and send all debug events unconditionally. 

Implemented IsDebuggerPresent().
This commit is contained in:
Alexandre Julliard 2000-03-08 16:41:37 +00:00
parent ff81d78708
commit 00641d5b1c
11 changed files with 100 additions and 92 deletions
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40
dlls/ntdll/exception.c
View File

@ -13,7 +13,6 @@
#include "wine/exception.h"
#include "stackframe.h"
#include "miscemu.h"
#include "debugger.h"
#include "debugtools.h"
DEFAULT_DEBUG_CHANNEL(seh)
@ -92,11 +91,7 @@ static DWORD EXC_CallHandler( EXCEPTION_RECORD *record, EXCEPTION_FRAME *frame,
*/
static void EXC_DefaultHandling( EXCEPTION_RECORD *rec, CONTEXT *context )
{
if ((PROCESS_Current()->flags & PDB32_DEBUGGED) &&
(DEBUG_SendExceptionEvent( rec, FALSE, context ) == DBG_CONTINUE))
return; /* continue execution */
if (wine_debugger( rec, context, FALSE ) == DBG_CONTINUE)
if (DEBUG_SendExceptionEvent( rec, FALSE, context ) == DBG_CONTINUE)
return; /* continue execution */
if (rec->ExceptionFlags & EH_STACK_INVALID)
@ -122,11 +117,7 @@ void WINAPI EXC_RtlRaiseException( EXCEPTION_RECORD *rec, CONTEXT *context )
TRACE( "code=%lx flags=%lx\n", rec->ExceptionCode, rec->ExceptionFlags );
if ((PROCESS_Current()->flags & PDB32_DEBUGGED) &&
(DEBUG_SendExceptionEvent( rec, TRUE, context ) == DBG_CONTINUE))
return; /* continue execution */
if (wine_debugger( rec, context, TRUE ) == DBG_CONTINUE)
if (DEBUG_SendExceptionEvent( rec, TRUE, context ) == DBG_CONTINUE)
return; /* continue execution */
frame = NtCurrentTeb()->except;
@ -286,30 +277,3 @@ void WINAPI RtlRaiseStatus( NTSTATUS status )
ExceptionRec.NumberParameters = 0;
RtlRaiseException( &ExceptionRec );
}
/***********************************************************************
* DebugBreak (KERNEL32.181)
*/
void WINAPI DebugBreak(void)
{
DbgBreakPoint();
}
/***********************************************************************
* DebugBreak16 (KERNEL.203)
*/
void WINAPI DebugBreak16( CONTEXT86 *context )
{
#ifdef __i386__
EXCEPTION_RECORD rec;
rec.ExceptionCode = EXCEPTION_BREAKPOINT;
rec.ExceptionFlags = 0;
rec.ExceptionRecord = NULL;
rec.ExceptionAddress = GET_IP(context);
rec.NumberParameters = 0;
EXC_RtlRaiseException( &rec, context );
#endif /* defined(__i386__) */
}

6
include/ntddk.h
View File

@ -961,7 +961,13 @@ NTSTATUS WINAPI NtClose(
/* misc */
#if defined(__i386__) && defined(__GNUC__)
static inline void WINAPI DbgBreakPoint(void) { __asm__ __volatile__("int3"); }
static inline void WINAPI DbgUserBreakPoint(void) { __asm__ __volatile__("int3"); }
#else /* __i386__ && __GNUC__ */
void WINAPI DbgBreakPoint(void);
void WINAPI DbgUserBreakPoint(void);
#endif /* __i386__ && __GNUC__ */
void WINAPIV DbgPrint(LPCSTR fmt, ...);
DWORD WINAPI RtlAdjustPrivilege(DWORD x1,DWORD x2,DWORD x3,DWORD x4);

4
include/server.h
View File

@ -167,6 +167,7 @@ struct init_process_done_request
{
IN void* module; /* main module base address */
IN void* entry; /* process entry point */
OUT int debugged; /* being debugged? */
};
@ -209,8 +210,9 @@ struct terminate_thread_request
/* Retrieve information about a process */
struct get_process_info_request
{
IN int handle; /* process handle */
IN int handle; /* process handle */
OUT void* pid; /* server process id */
OUT int debugged; /* debugged? */
OUT int exit_code; /* process exit code */
OUT int priority; /* priority class */
OUT int process_affinity; /* process affinity mask */

15
include/winbase.h
View File

@ -1659,8 +1659,9 @@ BOOL WINAPI IsBadReadPtr(LPCVOID,UINT);
BOOL WINAPI IsBadStringPtrA(LPCSTR,UINT);
BOOL WINAPI IsBadStringPtrW(LPCWSTR,UINT);
#define IsBadStringPtr WINELIB_NAME_AW(IsBadStringPtr)
BOOL WINAPI IsBadWritePtr(LPVOID,UINT);
BOOL WINAPI IsDBCSLeadByte(BYTE);
BOOL WINAPI IsBadWritePtr(LPVOID,UINT);
BOOL WINAPI IsDBCSLeadByte(BYTE);
BOOL WINAPI IsDebuggerPresent(void);
HINSTANCE16 WINAPI LoadLibrary16(LPCSTR);
HMODULE WINAPI LoadLibraryA(LPCSTR);
HMODULE WINAPI LoadLibraryW(LPCWSTR);
@ -1689,8 +1690,9 @@ HFILE WINAPI OpenFile(LPCSTR,OFSTRUCT*,UINT);
VOID WINAPI OutputDebugStringA(LPCSTR);
VOID WINAPI OutputDebugStringW(LPCWSTR);
#define OutputDebugString WINELIB_NAME_AW(OutputDebugString)
BOOL WINAPI RemoveDirectoryA(LPCSTR);
BOOL WINAPI RemoveDirectoryW(LPCWSTR);
BOOL WINAPI ReadProcessMemory(HANDLE, LPCVOID, LPVOID, DWORD, LPDWORD);
BOOL WINAPI RemoveDirectoryA(LPCSTR);
BOOL WINAPI RemoveDirectoryW(LPCWSTR);
#define RemoveDirectory WINELIB_NAME_AW(RemoveDirectory)
BOOL WINAPI SetCurrentDirectoryA(LPCSTR);
BOOL WINAPI SetCurrentDirectoryW(LPCWSTR);
@ -1718,8 +1720,9 @@ BOOL WINAPI WriteProfileSectionW(LPCWSTR,LPCWSTR);
BOOL WINAPI WritePrivateProfileStructA(LPCSTR,LPCSTR,LPVOID,UINT,LPCSTR);
BOOL WINAPI WritePrivateProfileStructW(LPCWSTR,LPCWSTR,LPVOID,UINT,LPCWSTR);
#define WritePrivateProfileStruct WINELIB_NAME_AW(WritePrivateProfileStruct)
BOOL WINAPI WriteProfileStringA(LPCSTR,LPCSTR,LPCSTR);
BOOL WINAPI WriteProfileStringW(LPCWSTR,LPCWSTR,LPCWSTR);
BOOL WINAPI WriteProcessMemory(HANDLE, LPVOID, LPVOID, DWORD, LPDWORD);
BOOL WINAPI WriteProfileStringA(LPCSTR,LPCSTR,LPCSTR);
BOOL WINAPI WriteProfileStringW(LPCWSTR,LPCWSTR,LPCWSTR);
#define WriteProfileString WINELIB_NAME_AW(WriteProfileString)
#define Yield32()
LPSTR WINAPI lstrcatA(LPSTR,LPCSTR);

6
loader/module.c
View File

@ -1351,8 +1351,7 @@ HMODULE WINAPI LoadLibraryExA(LPCSTR libname, HANDLE hfile, DWORD flags)
wm = MODULE_LoadLibraryExA( libname, hfile, flags );
if ( wm )
{
if ( PROCESS_Current()->flags & PDB32_DEBUGGED )
MODULE_SendLoadDLLEvents();
MODULE_SendLoadDLLEvents();
if ( !MODULE_DllProcessAttach( wm, NULL ) )
{
@ -1611,8 +1610,7 @@ BOOL MODULE_FreeLibrary( WINE_MODREF *wm )
if ( PROCESS_Current()->free_lib_count <= 1 )
{
MODULE_DllProcessDetach( FALSE, NULL );
if (PROCESS_Current()->flags & PDB32_DEBUGGED)
DEBUG_SendUnloadDLLEvent( wm->module );
DEBUG_SendUnloadDLLEvent( wm->module );
}
TRACE("(%s) - END\n", wm->modname );

72
scheduler/debugger.c
View File

@ -195,16 +195,12 @@ BOOL WINAPI DebugActiveProcess( DWORD pid )
*/
void WINAPI OutputDebugStringA( LPCSTR str )
{
if (PROCESS_Current()->flags & PDB32_DEBUGGED)
{
struct send_debug_event_request *req = get_req_buffer();
req->event.code = OUTPUT_DEBUG_STRING_EVENT;
req->event.info.output_string.string = (void *)str;
req->event.info.output_string.unicode = 0;
req->event.info.output_string.length = strlen(str) + 1;
server_call( REQ_SEND_DEBUG_EVENT );
}
struct send_debug_event_request *req = get_req_buffer();
req->event.code = OUTPUT_DEBUG_STRING_EVENT;
req->event.info.output_string.string = (void *)str;
req->event.info.output_string.unicode = 0;
req->event.info.output_string.length = strlen(str) + 1;
server_call_noerr( REQ_SEND_DEBUG_EVENT );
TRACE("%s\n", str);
}
@ -214,16 +210,12 @@ void WINAPI OutputDebugStringA( LPCSTR str )
*/
void WINAPI OutputDebugStringW( LPCWSTR str )
{
if (PROCESS_Current()->flags & PDB32_DEBUGGED)
{
struct send_debug_event_request *req = get_req_buffer();
req->event.code = OUTPUT_DEBUG_STRING_EVENT;
req->event.info.output_string.string = (void *)str;
req->event.info.output_string.unicode = 1;
req->event.info.output_string.length = (lstrlenW(str) + 1) * sizeof(WCHAR);
server_call( REQ_SEND_DEBUG_EVENT );
}
struct send_debug_event_request *req = get_req_buffer();
req->event.code = OUTPUT_DEBUG_STRING_EVENT;
req->event.info.output_string.string = (void *)str;
req->event.info.output_string.unicode = 1;
req->event.info.output_string.length = (lstrlenW(str) + 1) * sizeof(WCHAR);
server_call_noerr( REQ_SEND_DEBUG_EVENT );
TRACE("%s\n", debugstr_w(str));
}
@ -235,3 +227,43 @@ void WINAPI OutputDebugString16( LPCSTR str )
{
OutputDebugStringA( str );
}
/***********************************************************************
* DebugBreak (KERNEL32.181)
*/
void WINAPI DebugBreak(void)
{
DbgBreakPoint();
}
/***********************************************************************
* DebugBreak16 (KERNEL.203)
*/
void WINAPI DebugBreak16( CONTEXT86 *context )
{
#ifdef __i386__
EXCEPTION_RECORD rec;
rec.ExceptionCode = EXCEPTION_BREAKPOINT;
rec.ExceptionFlags = 0;
rec.ExceptionRecord = NULL;
rec.ExceptionAddress = GET_IP(context);
rec.NumberParameters = 0;
NtRaiseException( &rec, context, TRUE );
#endif /* defined(__i386__) */
}
/***********************************************************************
* IsDebuggerPresent (KERNEL32)
*/
BOOL WINAPI IsDebuggerPresent(void)
{
BOOL ret = FALSE;
struct get_process_info_request *req = get_req_buffer();
req->handle = GetCurrentProcess();
if (!server_call( REQ_GET_PROCESS_INFO )) ret = req->debugged;
return ret;
}

10
scheduler/process.c
View File

@ -371,6 +371,7 @@ BOOL PROCESS_Init( BOOL win32 )
void PROCESS_Start(void)
{
struct init_process_done_request *req = get_req_buffer();
int debugged;
UINT cmdShow = SW_SHOWNORMAL;
LPTHREAD_START_ROUTINE entry = NULL;
PDB *pdb = PROCESS_Current();
@ -455,9 +456,10 @@ void PROCESS_Start(void)
req->module = (void *)pModule->module32;
req->entry = entry;
server_call( REQ_INIT_PROCESS_DONE );
debugged = req->debugged;
/* Send all required start-up debugger events */
if ( type == PROC_WIN32 && (pdb->flags & PDB32_DEBUGGED) )
if (type == PROC_WIN32 && debugged)
{
EnterCriticalSection( &pdb->crit_section );
MODULE_SendLoadDLLEvents();
@ -498,7 +500,7 @@ void PROCESS_Start(void)
case PROC_WIN32:
TRACE_(relay)( "Starting Win32 process (entryproc=%p)\n", entry );
if (pdb->flags & PDB32_DEBUGGED) DebugBreak();
if (debugged) DbgBreakPoint();
/* FIXME: should use _PEB as parameter for NT 3.5 programs !
* Dunno about other OSs */
ExitProcess( entry(NULL) );
@ -563,10 +565,6 @@ PDB *PROCESS_Create( NE_MODULE *pModule, HFILE hFile, LPCSTR cmd_line, LPCSTR en
info->hThread = req->thandle;
info->dwThreadId = (DWORD)req->tid;
if ((flags & (DEBUG_PROCESS|DEBUG_ONLY_THIS_PROCESS)) ||
((parent->flags & PDB32_DEBUGGED) && !(flags & DEBUG_ONLY_THIS_PROCESS)))
pdb->flags |= PDB32_DEBUGGED;
if (pModule->module32) /* Win32 process */
{
IMAGE_OPTIONAL_HEADER *header = &PE_HEADER(pModule->module32)->OptionalHeader;

12
server/process.c
View File

@ -366,6 +366,7 @@ void kill_debugged_processes( struct thread *debugger, int exit_code )
static void get_process_info( struct process *process, struct get_process_info_request *req )
{
req->pid = process;
req->debugged = (process->debugger != 0);
req->exit_code = process->exit_code;
req->priority = process->priority;
req->process_affinity = process->affinity;
@ -398,6 +399,11 @@ static void read_process_memory( struct process *process, const int *addr,
set_error( STATUS_INVALID_PARAMETER );
return;
}
if (!thread) /* process is dead */
{
set_error( STATUS_ACCESS_DENIED );
return;
}
suspend_thread( thread, 0 );
if (thread->attached)
{
@ -439,6 +445,11 @@ static void write_process_memory( struct process *process, int *addr, size_t len
set_error( STATUS_INVALID_PARAMETER );
return;
}
if (!thread) /* process is dead */
{
set_error( STATUS_ACCESS_DENIED );
return;
}
suspend_thread( thread, 0 );
if (thread->attached)
{
@ -591,6 +602,7 @@ DECL_HANDLER(init_process_done)
release_object( process->init_event );
process->init_event = NULL;
if (current->suspend + current->process->suspend > 0) stop_thread( current );
req->debugged = (current->process->debugger != 0);
}
/* open a handle to a process */

8
server/trace.c
View File

@ -262,6 +262,11 @@ static void dump_init_process_done_request( const struct init_process_done_reque
fprintf( stderr, " entry=%p", req->entry );
}
static void dump_init_process_done_reply( const struct init_process_done_request *req )
{
fprintf( stderr, " debugged=%d", req->debugged );
}
static void dump_init_thread_request( const struct init_thread_request *req )
{
fprintf( stderr, " unix_pid=%d,", req->unix_pid );
@ -300,6 +305,7 @@ static void dump_get_process_info_request( const struct get_process_info_request
static void dump_get_process_info_reply( const struct get_process_info_request *req )
{
fprintf( stderr, " pid=%p,", req->pid );
fprintf( stderr, " debugged=%d,", req->debugged );
fprintf( stderr, " exit_code=%d,", req->exit_code );
fprintf( stderr, " priority=%d,", req->priority );
fprintf( stderr, " process_affinity=%d,", req->process_affinity );
@ -1329,7 +1335,7 @@ static const dump_func reply_dumpers[REQ_NB_REQUESTS] = {
(dump_func)dump_new_thread_reply,
(dump_func)0,
(dump_func)dump_init_process_reply,
(dump_func)0,
(dump_func)dump_init_process_done_reply,
(dump_func)0,
(dump_func)dump_get_thread_buffer_reply,
(dump_func)0,

10
win32/except.c
View File

@ -34,7 +34,6 @@
#include "process.h"
#include "thread.h"
#include "stackframe.h"
#include "debugger.h"
#include "debugtools.h"
DEFAULT_DEBUG_CHANNEL(seh)
@ -73,7 +72,9 @@ DWORD WINAPI UnhandledExceptionFilter(PEXCEPTION_POINTERS epointers)
char message[80];
PDB *pdb = PROCESS_Current();
if (pdb->flags & PDB32_DEBUGGED) return EXCEPTION_CONTINUE_SEARCH;
if (DEBUG_SendExceptionEvent( epointers->ExceptionRecord, FALSE,
epointers->ContextRecord ) == DBG_CONTINUE)
return EXCEPTION_CONTINUE_EXECUTION;
if (pdb->top_filter)
{
@ -81,11 +82,6 @@ DWORD WINAPI UnhandledExceptionFilter(PEXCEPTION_POINTERS epointers)
if (ret != EXCEPTION_CONTINUE_SEARCH) return ret;
}
/* FIXME: does not belong here */
if (wine_debugger( epointers->ExceptionRecord,
epointers->ContextRecord, FALSE ) == DBG_CONTINUE)
return EXCEPTION_CONTINUE_EXECUTION;
/* FIXME: Should check the current error mode */
sprintf( message, "Unhandled exception 0x%08lx at address 0x%08lx.",

9
win32/newfns.c
View File

@ -293,15 +293,6 @@ BOOL WINAPI EnumPortsA(LPSTR name,DWORD level,LPBYTE ports,DWORD bufsize,LPDWORD
return FALSE;
}
/******************************************************************************
* IsDebuggerPresent [KERNEL32.827]
*
*/
BOOL WINAPI IsDebuggerPresent() {
FIXME(" ... no debuggers yet, returning FALSE.\n");
return FALSE;
}
/******************************************************************************
* OpenDesktop32A [USER32.408]
*