| /* |
| * Win32 debugger functions |
| * |
| * Copyright (C) 1999 Alexandre Julliard |
| */ |
| |
| #include "process.h" |
| #include "thread.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 ); |
| } |