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Sweden-Number/scheduler/debugger.c

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/*
* Win32 debugger functions
*
* Copyright (C) 1999 Alexandre Julliard
*/
#include "process.h"
#include "thread.h"
#include "server/request.h"
#include "server.h"
#include "debugtools.h"
/**********************************************************************
* DEBUG_SendEvent
*
* Internal helper to send a debug event request to the server.
*/
static DWORD DEBUG_SendEvent( int code, void *data, int size )
{
struct send_debug_event_request req;
struct send_debug_event_reply reply;
req.code = code;
CLIENT_SendRequest( REQ_SEND_DEBUG_EVENT, -1, 2, &req, sizeof(req), data, size );
if (CLIENT_WaitSimpleReply( &reply, sizeof(reply), NULL )) return 0;
return reply.status;
}
/**********************************************************************
* DEBUG_SendExceptionEvent
*
* Send an EXCEPTION_DEBUG_EVENT event to the current process debugger.
*/
DWORD DEBUG_SendExceptionEvent( EXCEPTION_RECORD *rec, BOOL first_chance )
{
struct debug_event_exception event;
int i;
event.code = rec->ExceptionCode;
event.flags = rec->ExceptionFlags;
event.record = rec->ExceptionRecord;
event.addr = rec->ExceptionAddress;
event.nb_params = rec->NumberParameters;
for (i = 0; i < event.nb_params; i++) event.params[i] = rec->ExceptionInformation[i];
event.first_chance = first_chance;
return DEBUG_SendEvent( EXCEPTION_DEBUG_EVENT, &event, sizeof(event) );
}
/**********************************************************************
* DEBUG_SendCreateProcessEvent
*
* Send an CREATE_PROCESS_DEBUG_EVENT event to the current process debugger.
* Must be called from the context of the new process.
*/
DWORD DEBUG_SendCreateProcessEvent( HFILE file, HMODULE module, void *entry )
{
struct debug_event_create_process event;
event.file = file;
event.process = 0; /* will be filled by server */
event.thread = 0; /* will be filled by server */
event.base = (void *)module;
event.dbg_offset = 0; /* FIXME */
event.dbg_size = 0; /* FIXME */
event.teb = NtCurrentTeb();
event.start = entry;
event.name = 0; /* FIXME */
event.unicode = 0; /* FIXME */
return DEBUG_SendEvent( CREATE_PROCESS_DEBUG_EVENT, &event, sizeof(event) );
}
/**********************************************************************
* DEBUG_SendCreateThreadEvent
*
* Send an CREATE_THREAD_DEBUG_EVENT event to the current process debugger.
* Must be called from the context of the new thread.
*/
DWORD DEBUG_SendCreateThreadEvent( void *entry )
{
struct debug_event_create_thread event;
event.handle = 0; /* will be filled by server */
event.teb = NtCurrentTeb();
event.start = entry;
return DEBUG_SendEvent( CREATE_THREAD_DEBUG_EVENT, &event, sizeof(event) );
}
/**********************************************************************
* DEBUG_SendLoadDLLEvent
*
* Send an LOAD_DLL_DEBUG_EVENT event to the current process debugger.
*/
DWORD DEBUG_SendLoadDLLEvent( HFILE file, HMODULE module, LPSTR name )
{
struct debug_event_load_dll event;
event.handle = file;
event.base = (void *)module;
event.dbg_offset = 0; /* FIXME */
event.dbg_size = 0; /* FIXME */
event.name = name;
event.unicode = 0;
return DEBUG_SendEvent( LOAD_DLL_DEBUG_EVENT, &event, sizeof(event) );
}
/**********************************************************************
* DEBUG_SendUnloadDLLEvent
*
* Send an UNLOAD_DLL_DEBUG_EVENT event to the current process debugger.
*/
DWORD DEBUG_SendUnloadDLLEvent( HMODULE module )
{
struct debug_event_unload_dll event;
event.base = (void *)module;
return DEBUG_SendEvent( UNLOAD_DLL_DEBUG_EVENT, &event, sizeof(event) );
}
/******************************************************************************
* WaitForDebugEvent (KERNEL32.720)
*
* Waits for a debugging event to occur in a process being debugged
*
* PARAMS
* event [I] Address of structure for event information
* timeout [I] Number of milliseconds to wait for event
*
* RETURNS STD
*/
BOOL WINAPI WaitForDebugEvent( LPDEBUG_EVENT event, DWORD timeout )
{
/* size of the event data */
static const int event_sizes[] =
{
0,
sizeof(struct debug_event_exception), /* EXCEPTION_DEBUG_EVENT */
sizeof(struct debug_event_create_thread), /* CREATE_THREAD_DEBUG_EVENT */
sizeof(struct debug_event_create_process), /* CREATE_PROCESS_DEBUG_EVENT */
sizeof(struct debug_event_exit), /* EXIT_THREAD_DEBUG_EVENT */
sizeof(struct debug_event_exit), /* EXIT_PROCESS_DEBUG_EVENT */
sizeof(struct debug_event_load_dll), /* LOAD_DLL_DEBUG_EVENT */
sizeof(struct debug_event_unload_dll), /* UNLOAD_DLL_DEBUG_EVENT */
sizeof(struct debug_event_output_string), /* OUTPUT_DEBUG_STRING_EVENT */
sizeof(struct debug_event_rip_info) /* RIP_EVENT */
};
struct wait_debug_event_request req;
struct wait_debug_event_reply reply;
union debug_event_data data;
int i, len;
req.timeout = timeout;
CLIENT_SendRequest( REQ_WAIT_DEBUG_EVENT, -1, 1, &req, sizeof(req) );
if (CLIENT_WaitReply( &len, NULL, 2, &reply, sizeof(reply),
&data, sizeof(data) )) return FALSE;
if ((reply.code < 0) || (reply.code > RIP_EVENT))
CLIENT_ProtocolError( "WaitForDebugEvent: bad code %d\n", reply.code );
if (len != sizeof(reply) + event_sizes[reply.code])
CLIENT_ProtocolError( "WaitForDebugEvent: bad len %d for code %d\n", len, reply.code );
event->dwDebugEventCode = reply.code;
event->dwProcessId = (DWORD)reply.pid;
event->dwThreadId = (DWORD)reply.tid;
switch(reply.code)
{
case EXCEPTION_DEBUG_EVENT:
event->u.Exception.ExceptionRecord.ExceptionCode = data.exception.code;
event->u.Exception.ExceptionRecord.ExceptionFlags = data.exception.flags;
event->u.Exception.ExceptionRecord.ExceptionRecord = data.exception.record;
event->u.Exception.ExceptionRecord.ExceptionAddress = data.exception.addr;
event->u.Exception.ExceptionRecord.NumberParameters = data.exception.nb_params;
for (i = 0; i < data.exception.nb_params; i++)
event->u.Exception.ExceptionRecord.ExceptionInformation[i] = data.exception.params[i];
event->u.Exception.dwFirstChance = data.exception.first_chance;
break;
case CREATE_THREAD_DEBUG_EVENT:
event->u.CreateThread.hThread = data.create_thread.handle;
event->u.CreateThread.lpThreadLocalBase = data.create_thread.teb;
event->u.CreateThread.lpStartAddress = data.create_thread.start;
break;
case CREATE_PROCESS_DEBUG_EVENT:
event->u.CreateProcessInfo.hFile = data.create_process.file;
event->u.CreateProcessInfo.hProcess = data.create_process.process;
event->u.CreateProcessInfo.hThread = data.create_process.thread;
event->u.CreateProcessInfo.lpBaseOfImage = data.create_process.base;
event->u.CreateProcessInfo.dwDebugInfoFileOffset = data.create_process.dbg_offset;
event->u.CreateProcessInfo.nDebugInfoSize = data.create_process.dbg_size;
event->u.CreateProcessInfo.lpThreadLocalBase = data.create_process.teb;
event->u.CreateProcessInfo.lpStartAddress = data.create_process.start;
event->u.CreateProcessInfo.lpImageName = data.create_process.name;
event->u.CreateProcessInfo.fUnicode = data.create_process.unicode;
if (data.create_process.file == -1) event->u.CreateProcessInfo.hFile = 0;
break;
case EXIT_THREAD_DEBUG_EVENT:
event->u.ExitThread.dwExitCode = data.exit.exit_code;
break;
case EXIT_PROCESS_DEBUG_EVENT:
event->u.ExitProcess.dwExitCode = data.exit.exit_code;
break;
case LOAD_DLL_DEBUG_EVENT:
event->u.LoadDll.hFile = data.load_dll.handle;
event->u.LoadDll.lpBaseOfDll = data.load_dll.base;
event->u.LoadDll.dwDebugInfoFileOffset = data.load_dll.dbg_offset;
event->u.LoadDll.nDebugInfoSize = data.load_dll.dbg_size;
event->u.LoadDll.lpImageName = data.load_dll.name;
event->u.LoadDll.fUnicode = data.load_dll.unicode;
if (data.load_dll.handle == -1) event->u.LoadDll.hFile = 0;
break;
case UNLOAD_DLL_DEBUG_EVENT:
event->u.UnloadDll.lpBaseOfDll = data.unload_dll.base;
break;
case OUTPUT_DEBUG_STRING_EVENT:
event->u.DebugString.lpDebugStringData = data.output_string.string;
event->u.DebugString.fUnicode = data.output_string.unicode;
event->u.DebugString.nDebugStringLength = data.output_string.length;
break;
case RIP_EVENT:
event->u.RipInfo.dwError = data.rip_info.error;
event->u.RipInfo.dwType = data.rip_info.type;
break;
}
return TRUE;
}
/**********************************************************************
* ContinueDebugEvent (KERNEL32.146)
*/
BOOL WINAPI ContinueDebugEvent( DWORD pid, DWORD tid, DWORD status )
{
struct continue_debug_event_request req;
req.pid = (void *)pid;
req.tid = (void *)tid;
req.status = status;
CLIENT_SendRequest( REQ_CONTINUE_DEBUG_EVENT, -1, 1, &req, sizeof(req) );
return !CLIENT_WaitReply( NULL, NULL, 0 );
}
/**********************************************************************
* DebugActiveProcess (KERNEL32.180)
*/
BOOL WINAPI DebugActiveProcess( DWORD pid )
{
struct debug_process_request req;
req.pid = (void *)pid;
CLIENT_SendRequest( REQ_DEBUG_PROCESS, -1, 1, &req, sizeof(req) );
return !CLIENT_WaitReply( NULL, NULL, 0 );
}
/***********************************************************************
* OutputDebugStringA (KERNEL32.548)
*/
void WINAPI OutputDebugStringA( LPCSTR str )
{
if (PROCESS_Current()->flags & PDB32_DEBUGGED)
{
struct debug_event_output_string event;
event.string = (void *)str;
event.unicode = 0;
event.length = strlen(str) + 1;
DEBUG_SendEvent( OUTPUT_DEBUG_STRING_EVENT, &event, sizeof(event) );
}
else DPRINTF("OutputDebugStringA: %s\n", debugstr_a(str) );
}
/***********************************************************************
* OutputDebugStringW (KERNEL32.549)
*/
void WINAPI OutputDebugStringW( LPCWSTR str )
{
if (PROCESS_Current()->flags & PDB32_DEBUGGED)
{
struct debug_event_output_string event;
event.string = (void *)str;
event.unicode = 1;
event.length = (lstrlenW(str) + 1) * sizeof(WCHAR);
DEBUG_SendEvent( OUTPUT_DEBUG_STRING_EVENT, &event, sizeof(event) );
}
else DPRINTF("OutputDebugStringW: %s\n", debugstr_w(str) );
}
/***********************************************************************
* OutputDebugString16 (KERNEL.115)
*/
void WINAPI OutputDebugString16( LPCSTR str )
{
OutputDebugStringA( str );
}
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