1125 lines
34 KiB
C
1125 lines
34 KiB
C
/* -*- tab-width: 8; c-basic-offset: 4 -*- */
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/* Wine internal debugger
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* Interface to Windows debugger API
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* Copyright 2000 Eric Pouech
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <stdlib.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include <string.h>
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#include "debugger.h"
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#include "winternl.h"
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#include "thread.h"
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#include "wincon.h"
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#include "winreg.h"
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#include "wingdi.h"
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#include "winuser.h"
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#include "msvcrt/excpt.h"
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#include "wine/library.h"
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DBG_PROCESS* DEBUG_CurrProcess = NULL;
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DBG_THREAD* DEBUG_CurrThread = NULL;
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DWORD DEBUG_CurrTid;
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DWORD DEBUG_CurrPid;
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CONTEXT DEBUG_context;
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BOOL DEBUG_InteractiveP = FALSE;
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static BOOL DEBUG_InException = FALSE;
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int curr_frame = 0;
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static char* DEBUG_LastCmdLine = NULL;
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static DBG_PROCESS* DEBUG_ProcessList = NULL;
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static enum {none_mode = 0, winedbg_mode, automatic_mode, gdb_mode} local_mode;
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DBG_INTVAR DEBUG_IntVars[DBG_IV_LAST];
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void DEBUG_OutputA(int chn, const char* buffer, int len)
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{
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if (DBG_IVAR(ConChannelMask) & chn)
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WriteFile(GetStdHandle(STD_OUTPUT_HANDLE), buffer, len, NULL, NULL);
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if (DBG_IVAR(StdChannelMask) & chn)
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fwrite(buffer, len, 1, stderr);
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}
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void DEBUG_OutputW(int chn, const WCHAR* buffer, int len)
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{
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/* FIXME: this won't work is std output isn't attached to a console */
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if (DBG_IVAR(ConChannelMask) & chn)
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WriteConsoleW(GetStdHandle(STD_OUTPUT_HANDLE), buffer, len, NULL, NULL);
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/* simplistic Unicode to ANSI conversion */
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if (DBG_IVAR(StdChannelMask) & chn)
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while (len--) fputc((char)*buffer++, stderr);
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}
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int DEBUG_Printf(int chn, const char* format, ...)
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{
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static char buf[4*1024];
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va_list valist;
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int len;
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va_start(valist, format);
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len = vsnprintf(buf, sizeof(buf), format, valist);
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va_end(valist);
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if (len <= -1 || len >= sizeof(buf)) {
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len = sizeof(buf) - 1;
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buf[len] = 0;
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buf[len - 1] = buf[len - 2] = buf[len - 3] = '.';
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}
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DEBUG_OutputA(chn, buf, len);
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return len;
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}
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static BOOL DEBUG_IntVarsRW(int read)
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{
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HKEY hkey;
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DWORD type = REG_DWORD;
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DWORD val;
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DWORD count = sizeof(val);
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int i;
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DBG_INTVAR* div = DEBUG_IntVars;
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if (read) {
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/* initializes internal vars table */
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#define INTERNAL_VAR(_var,_val,_ref,_typ) \
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div->val = _val; div->name = #_var; div->pval = _ref; \
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div->type = DEBUG_GetBasicType(_typ); div++;
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#include "intvar.h"
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#undef INTERNAL_VAR
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}
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if (RegCreateKeyA(HKEY_CURRENT_USER, "Software\\Wine\\WineDbg", &hkey)) {
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/* since the IVars are not yet setup, DEBUG_Printf doesn't work,
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* so don't use it */
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fprintf(stderr, "Cannot create WineDbg key in registry\n");
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return FALSE;
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}
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for (i = 0; i < DBG_IV_LAST; i++) {
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if (read) {
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if (!DEBUG_IntVars[i].pval) {
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if (!RegQueryValueEx(hkey, DEBUG_IntVars[i].name, 0,
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&type, (LPSTR)&val, &count))
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DEBUG_IntVars[i].val = val;
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DEBUG_IntVars[i].pval = &DEBUG_IntVars[i].val;
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} else {
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*DEBUG_IntVars[i].pval = 0;
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}
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} else {
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/* FIXME: type should be infered from basic type -if any- of intvar */
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if (DEBUG_IntVars[i].pval == &DEBUG_IntVars[i].val)
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RegSetValueEx(hkey, DEBUG_IntVars[i].name, 0,
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type, (LPCVOID)DEBUG_IntVars[i].pval, count);
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}
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}
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RegCloseKey(hkey);
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return TRUE;
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}
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DBG_INTVAR* DEBUG_GetIntVar(const char* name)
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{
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int i;
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for (i = 0; i < DBG_IV_LAST; i++) {
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if (!strcmp(DEBUG_IntVars[i].name, name))
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return &DEBUG_IntVars[i];
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}
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return NULL;
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}
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DBG_PROCESS* DEBUG_GetProcess(DWORD pid)
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{
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DBG_PROCESS* p;
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for (p = DEBUG_ProcessList; p; p = p->next)
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if (p->pid == pid) break;
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return p;
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}
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DBG_PROCESS* DEBUG_AddProcess(DWORD pid, HANDLE h, const char* imageName)
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{
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DBG_PROCESS* p;
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if ((p = DEBUG_GetProcess(pid)))
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{
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if (p->handle != 0)
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{
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DEBUG_Printf(DBG_CHN_ERR, "Process (%lu) is already defined\n", pid);
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}
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else
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{
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p->handle = h;
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p->imageName = imageName ? DBG_strdup(imageName) : NULL;
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}
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return p;
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}
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if (!(p = DBG_alloc(sizeof(DBG_PROCESS)))) return NULL;
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p->handle = h;
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p->pid = pid;
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p->imageName = imageName ? DBG_strdup(imageName) : NULL;
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p->threads = NULL;
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p->num_threads = 0;
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p->continue_on_first_exception = FALSE;
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p->modules = NULL;
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p->num_modules = 0;
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p->next_index = 0;
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p->dbg_hdr_addr = 0;
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p->delayed_bp = NULL;
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p->num_delayed_bp = 0;
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p->next = DEBUG_ProcessList;
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p->prev = NULL;
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if (DEBUG_ProcessList) DEBUG_ProcessList->prev = p;
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DEBUG_ProcessList = p;
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return p;
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}
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void DEBUG_DelProcess(DBG_PROCESS* p)
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{
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int i;
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while (p->threads) DEBUG_DelThread(p->threads);
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for (i = 0; i < p->num_delayed_bp; i++)
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if (p->delayed_bp[i].is_symbol)
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DBG_free(p->delayed_bp[i].u.symbol.name);
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DBG_free(p->delayed_bp);
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if (p->prev) p->prev->next = p->next;
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if (p->next) p->next->prev = p->prev;
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if (p == DEBUG_ProcessList) DEBUG_ProcessList = p->next;
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if (p == DEBUG_CurrProcess) DEBUG_CurrProcess = NULL;
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DBG_free((char*)p->imageName);
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DBG_free(p);
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}
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static void DEBUG_InitCurrProcess(void)
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{
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}
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BOOL DEBUG_ProcessGetString(char* buffer, int size, HANDLE hp, LPSTR addr)
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{
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DWORD sz;
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*(WCHAR*)buffer = 0;
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return (addr && ReadProcessMemory(hp, addr, buffer, size, &sz));
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}
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BOOL DEBUG_ProcessGetStringIndirect(char* buffer, int size, HANDLE hp, LPVOID addr)
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{
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LPVOID ad;
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DWORD sz;
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if ( addr
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&& ReadProcessMemory(hp, addr, &ad, sizeof(ad), &sz)
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&& sz == sizeof(ad)
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&& ad
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&& ReadProcessMemory(hp, ad, buffer, size, &sz))
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return TRUE;
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*(WCHAR*)buffer = 0;
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return FALSE;
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}
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DBG_THREAD* DEBUG_GetThread(DBG_PROCESS* p, DWORD tid)
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{
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DBG_THREAD* t;
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if (!p) return NULL;
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for (t = p->threads; t; t = t->next)
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if (t->tid == tid) break;
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return t;
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}
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DBG_THREAD* DEBUG_AddThread(DBG_PROCESS* p, DWORD tid,
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HANDLE h, LPVOID start, LPVOID teb)
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{
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DBG_THREAD* t = DBG_alloc(sizeof(DBG_THREAD));
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if (!t)
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return NULL;
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t->handle = h;
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t->tid = tid;
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t->start = start;
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t->teb = teb;
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t->process = p;
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t->wait_for_first_exception = 0;
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t->exec_mode = EXEC_CONT;
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t->exec_count = 0;
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sprintf(t->name, "%08lx", tid);
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p->num_threads++;
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t->next = p->threads;
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t->prev = NULL;
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if (p->threads) p->threads->prev = t;
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p->threads = t;
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return t;
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}
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static void DEBUG_InitCurrThread(void)
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{
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if (DEBUG_CurrThread->start) {
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if (DEBUG_CurrThread->process->num_threads == 1 ||
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DBG_IVAR(BreakAllThreadsStartup)) {
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DBG_VALUE value;
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DEBUG_SetBreakpoints(FALSE);
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value.type = NULL;
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value.cookie = DV_TARGET;
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value.addr.seg = 0;
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value.addr.off = (DWORD)DEBUG_CurrThread->start;
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DEBUG_AddBreakpointFromValue(&value);
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DEBUG_SetBreakpoints(TRUE);
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}
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} else {
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DEBUG_CurrThread->wait_for_first_exception = 1;
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}
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}
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void DEBUG_DelThread(DBG_THREAD* t)
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{
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if (t->prev) t->prev->next = t->next;
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if (t->next) t->next->prev = t->prev;
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if (t == t->process->threads) t->process->threads = t->next;
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t->process->num_threads--;
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if (t == DEBUG_CurrThread) DEBUG_CurrThread = NULL;
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DBG_free(t);
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}
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BOOL DEBUG_Attach(DWORD pid, BOOL cofe)
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{
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if (!(DEBUG_CurrProcess = DEBUG_AddProcess(pid, 0, NULL))) return FALSE;
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if (!DebugActiveProcess(pid)) {
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DEBUG_Printf(DBG_CHN_MESG, "Can't attach process %lx: error %ld\n", pid, GetLastError());
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DEBUG_DelProcess(DEBUG_CurrProcess);
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DEBUG_CurrProcess = NULL;
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return FALSE;
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}
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DEBUG_CurrProcess->continue_on_first_exception = cofe;
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return TRUE;
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}
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BOOL DEBUG_Detach(void)
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{
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/* remove all set breakpoints in debuggee code */
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DEBUG_SetBreakpoints(FALSE);
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/* needed for single stepping (ugly).
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* should this be handled inside the server ??? */
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#ifdef __i386__
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DEBUG_context.EFlags &= ~STEP_FLAG;
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#endif
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SetThreadContext(DEBUG_CurrThread->handle, &DEBUG_context);
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DebugActiveProcessStop(DEBUG_CurrProcess->pid);
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DEBUG_DelProcess(DEBUG_CurrProcess);
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DEBUG_CurrProcess = NULL;
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/* FIXME: should zero out the symbol table too */
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return TRUE;
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}
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static BOOL DEBUG_FetchContext(void)
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{
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DEBUG_context.ContextFlags = CONTEXT_CONTROL
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| CONTEXT_INTEGER
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#ifdef CONTEXT_SEGMENTS
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| CONTEXT_SEGMENTS
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#endif
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#ifdef CONTEXT_DEBUG_REGISTERS
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| CONTEXT_DEBUG_REGISTERS
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#endif
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;
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if (!GetThreadContext(DEBUG_CurrThread->handle, &DEBUG_context))
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{
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DEBUG_Printf(DBG_CHN_WARN, "Can't get thread's context\n");
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return FALSE;
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}
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return TRUE;
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}
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static BOOL DEBUG_ExceptionProlog(BOOL is_debug, BOOL force, DWORD code)
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{
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DBG_ADDR addr;
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int newmode;
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DEBUG_InException = TRUE;
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DEBUG_GetCurrentAddress(&addr);
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DEBUG_SuspendExecution();
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if (!is_debug)
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{
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if (!addr.seg)
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DEBUG_Printf(DBG_CHN_MESG, " in 32-bit code (0x%08lx)", addr.off);
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else
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switch(DEBUG_GetSelectorType(addr.seg))
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{
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case MODE_32:
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DEBUG_Printf(DBG_CHN_MESG, " in 32-bit code (%04lx:%08lx)", addr.seg, addr.off);
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break;
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case MODE_16:
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DEBUG_Printf(DBG_CHN_MESG, " in 16-bit code (%04lx:%04lx)", addr.seg, addr.off);
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break;
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case MODE_VM86:
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DEBUG_Printf(DBG_CHN_MESG, " in vm86 code (%04lx:%04lx)", addr.seg, addr.off);
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break;
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case MODE_INVALID:
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DEBUG_Printf(DBG_CHN_MESG, " bad CS (%lx)", addr.seg);
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break;
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}
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DEBUG_Printf(DBG_CHN_MESG, ".\n");
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}
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DEBUG_LoadEntryPoints("Loading new modules symbols:\n");
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if (!force && is_debug &&
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DEBUG_ShouldContinue(&addr, code,
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&DEBUG_CurrThread->exec_count))
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return FALSE;
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if ((newmode = DEBUG_GetSelectorType(addr.seg)) == MODE_INVALID) newmode = MODE_32;
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if (newmode != DEBUG_CurrThread->dbg_mode)
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{
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static const char * const names[] = { "???", "16-bit", "32-bit", "vm86" };
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DEBUG_Printf(DBG_CHN_MESG,"In %s mode.\n", names[newmode] );
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DEBUG_CurrThread->dbg_mode = newmode;
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}
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DEBUG_DoDisplay();
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if (is_debug || force) {
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/*
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* Do a quiet backtrace so that we have an idea of what the situation
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* is WRT the source files.
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*/
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DEBUG_BackTrace(DEBUG_CurrTid, FALSE);
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} else {
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/* This is a real crash, dump some info */
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DEBUG_InfoRegisters(&DEBUG_context);
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DEBUG_InfoStack();
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#ifdef __i386__
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if (DEBUG_CurrThread->dbg_mode == MODE_16) {
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DEBUG_InfoSegments(DEBUG_context.SegDs >> 3, 1);
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if (DEBUG_context.SegEs != DEBUG_context.SegDs)
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DEBUG_InfoSegments(DEBUG_context.SegEs >> 3, 1);
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}
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DEBUG_InfoSegments(DEBUG_context.SegFs >> 3, 1);
|
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#endif
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DEBUG_BackTrace(DEBUG_CurrTid, TRUE);
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}
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|
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if (!is_debug ||
|
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(DEBUG_CurrThread->exec_mode == EXEC_STEPI_OVER) ||
|
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(DEBUG_CurrThread->exec_mode == EXEC_STEPI_INSTR)) {
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|
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struct list_id list;
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|
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/* Show where we crashed */
|
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curr_frame = 0;
|
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DEBUG_DisassembleInstruction(&addr);
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|
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/* resets list internal arguments so we can look at source code when needed */
|
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DEBUG_FindNearestSymbol(&addr, TRUE, NULL, 0, &list);
|
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if (list.sourcefile) DEBUG_List(&list, NULL, 0);
|
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}
|
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return TRUE;
|
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}
|
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|
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static void DEBUG_ExceptionEpilog(void)
|
|
{
|
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DEBUG_RestartExecution(DEBUG_CurrThread->exec_count);
|
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/*
|
|
* This will have gotten absorbed into the breakpoint info
|
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* if it was used. Otherwise it would have been ignored.
|
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* In any case, we don't mess with it any more.
|
|
*/
|
|
if (DEBUG_CurrThread->exec_mode == EXEC_CONT)
|
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DEBUG_CurrThread->exec_count = 0;
|
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DEBUG_InException = FALSE;
|
|
}
|
|
|
|
static BOOL DEBUG_HandleException(EXCEPTION_RECORD *rec, BOOL first_chance, BOOL force)
|
|
{
|
|
BOOL is_debug = FALSE;
|
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THREADNAME_INFO *pThreadName;
|
|
DBG_THREAD *pThread;
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|
|
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assert(DEBUG_CurrThread);
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|
|
switch (rec->ExceptionCode)
|
|
{
|
|
case EXCEPTION_BREAKPOINT:
|
|
case EXCEPTION_SINGLE_STEP:
|
|
is_debug = TRUE;
|
|
break;
|
|
case EXCEPTION_NAME_THREAD:
|
|
pThreadName = (THREADNAME_INFO*)(rec->ExceptionInformation);
|
|
if (pThreadName->dwThreadID == -1)
|
|
pThread = DEBUG_CurrThread;
|
|
else
|
|
pThread = DEBUG_GetThread(DEBUG_CurrProcess, pThreadName->dwThreadID);
|
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|
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if (ReadProcessMemory(DEBUG_CurrThread->process->handle, pThreadName->szName,
|
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pThread->name, 9, NULL))
|
|
DEBUG_Printf (DBG_CHN_MESG,
|
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"Thread ID=0x%lx renamed using MS VC6 extension (name==\"%s\")\n",
|
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pThread->tid, pThread->name);
|
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return FALSE;
|
|
}
|
|
|
|
if (first_chance && !is_debug && !force && !DBG_IVAR(BreakOnFirstChance))
|
|
{
|
|
/* pass exception to program except for debug exceptions */
|
|
return FALSE;
|
|
}
|
|
|
|
if (!is_debug)
|
|
{
|
|
/* print some infos */
|
|
DEBUG_Printf(DBG_CHN_MESG, "%s: ",
|
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first_chance ? "First chance exception" : "Unhandled exception");
|
|
switch (rec->ExceptionCode)
|
|
{
|
|
case EXCEPTION_INT_DIVIDE_BY_ZERO:
|
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DEBUG_Printf(DBG_CHN_MESG, "divide by zero");
|
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break;
|
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case EXCEPTION_INT_OVERFLOW:
|
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DEBUG_Printf(DBG_CHN_MESG, "overflow");
|
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break;
|
|
case EXCEPTION_ARRAY_BOUNDS_EXCEEDED:
|
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DEBUG_Printf(DBG_CHN_MESG, "array bounds ");
|
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break;
|
|
case EXCEPTION_ILLEGAL_INSTRUCTION:
|
|
DEBUG_Printf(DBG_CHN_MESG, "illegal instruction");
|
|
break;
|
|
case EXCEPTION_STACK_OVERFLOW:
|
|
DEBUG_Printf(DBG_CHN_MESG, "stack overflow");
|
|
break;
|
|
case EXCEPTION_PRIV_INSTRUCTION:
|
|
DEBUG_Printf(DBG_CHN_MESG, "privileged instruction");
|
|
break;
|
|
case EXCEPTION_ACCESS_VIOLATION:
|
|
if (rec->NumberParameters == 2)
|
|
DEBUG_Printf(DBG_CHN_MESG, "page fault on %s access to 0x%08lx",
|
|
rec->ExceptionInformation[0] ? "write" : "read",
|
|
rec->ExceptionInformation[1]);
|
|
else
|
|
DEBUG_Printf(DBG_CHN_MESG, "page fault");
|
|
break;
|
|
case EXCEPTION_DATATYPE_MISALIGNMENT:
|
|
DEBUG_Printf(DBG_CHN_MESG, "Alignment");
|
|
break;
|
|
case DBG_CONTROL_C:
|
|
DEBUG_Printf(DBG_CHN_MESG, "^C");
|
|
break;
|
|
case CONTROL_C_EXIT:
|
|
DEBUG_Printf(DBG_CHN_MESG, "^C");
|
|
break;
|
|
case EXCEPTION_CRITICAL_SECTION_WAIT:
|
|
{
|
|
DBG_ADDR addr;
|
|
|
|
addr.seg = 0;
|
|
addr.off = rec->ExceptionInformation[0];
|
|
|
|
DEBUG_Printf(DBG_CHN_MESG, "wait failed on critical section ");
|
|
DEBUG_PrintAddress(&addr, DEBUG_CurrThread->dbg_mode, FALSE);
|
|
}
|
|
if (!DBG_IVAR(BreakOnCritSectTimeOut))
|
|
{
|
|
DEBUG_Printf(DBG_CHN_MESG, "\n");
|
|
return FALSE;
|
|
}
|
|
break;
|
|
case EXCEPTION_WINE_STUB:
|
|
{
|
|
char dll[32], name[64];
|
|
DEBUG_ProcessGetString( dll, sizeof(dll), DEBUG_CurrThread->process->handle,
|
|
(char *)rec->ExceptionInformation[0] );
|
|
DEBUG_ProcessGetString( name, sizeof(name), DEBUG_CurrThread->process->handle,
|
|
(char *)rec->ExceptionInformation[1] );
|
|
DEBUG_Printf(DBG_CHN_MESG, "unimplemented function %s.%s called", dll, name );
|
|
}
|
|
break;
|
|
case EXCEPTION_VM86_INTx:
|
|
DEBUG_Printf(DBG_CHN_MESG, "interrupt %02lx in vm86 mode",
|
|
rec->ExceptionInformation[0]);
|
|
break;
|
|
case EXCEPTION_VM86_STI:
|
|
DEBUG_Printf(DBG_CHN_MESG, "sti in vm86 mode");
|
|
break;
|
|
case EXCEPTION_VM86_PICRETURN:
|
|
DEBUG_Printf(DBG_CHN_MESG, "PIC return in vm86 mode");
|
|
break;
|
|
default:
|
|
DEBUG_Printf(DBG_CHN_MESG, "%08lx", rec->ExceptionCode);
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (local_mode == automatic_mode)
|
|
{
|
|
DEBUG_ExceptionProlog(is_debug, FALSE, rec->ExceptionCode);
|
|
DEBUG_ExceptionEpilog();
|
|
return TRUE; /* terminate execution */
|
|
}
|
|
|
|
if (DEBUG_ExceptionProlog(is_debug, force, rec->ExceptionCode))
|
|
{
|
|
DEBUG_InteractiveP = TRUE;
|
|
return TRUE;
|
|
}
|
|
DEBUG_ExceptionEpilog();
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static BOOL DEBUG_HandleDebugEvent(DEBUG_EVENT* de)
|
|
{
|
|
char buffer[256];
|
|
BOOL ret = FALSE;
|
|
|
|
DEBUG_CurrPid = de->dwProcessId;
|
|
DEBUG_CurrTid = de->dwThreadId;
|
|
|
|
if ((DEBUG_CurrProcess = DEBUG_GetProcess(de->dwProcessId)) != NULL)
|
|
DEBUG_CurrThread = DEBUG_GetThread(DEBUG_CurrProcess, de->dwThreadId);
|
|
else
|
|
DEBUG_CurrThread = NULL;
|
|
|
|
switch (de->dwDebugEventCode)
|
|
{
|
|
case EXCEPTION_DEBUG_EVENT:
|
|
if (!DEBUG_CurrThread)
|
|
{
|
|
DEBUG_Printf(DBG_CHN_ERR, "%08lx:%08lx: not a registered process or thread (perhaps a 16 bit one ?)\n",
|
|
de->dwProcessId, de->dwThreadId);
|
|
break;
|
|
}
|
|
|
|
DEBUG_Printf(DBG_CHN_TRACE, "%08lx:%08lx: exception code=%08lx\n",
|
|
de->dwProcessId, de->dwThreadId,
|
|
de->u.Exception.ExceptionRecord.ExceptionCode);
|
|
|
|
if (DEBUG_CurrProcess->continue_on_first_exception)
|
|
{
|
|
DEBUG_CurrProcess->continue_on_first_exception = FALSE;
|
|
if (!DBG_IVAR(BreakOnAttach)) break;
|
|
}
|
|
|
|
if (DEBUG_FetchContext())
|
|
{
|
|
ret = DEBUG_HandleException(&de->u.Exception.ExceptionRecord,
|
|
de->u.Exception.dwFirstChance,
|
|
DEBUG_CurrThread->wait_for_first_exception);
|
|
if (!ret && DEBUG_CurrThread)
|
|
{
|
|
DEBUG_CurrThread->wait_for_first_exception = 0;
|
|
SetThreadContext(DEBUG_CurrThread->handle, &DEBUG_context);
|
|
}
|
|
}
|
|
break;
|
|
|
|
case CREATE_THREAD_DEBUG_EVENT:
|
|
DEBUG_Printf(DBG_CHN_TRACE, "%08lx:%08lx: create thread D @%08lx\n", de->dwProcessId, de->dwThreadId,
|
|
(unsigned long)(LPVOID)de->u.CreateThread.lpStartAddress);
|
|
|
|
if (DEBUG_CurrProcess == NULL)
|
|
{
|
|
DEBUG_Printf(DBG_CHN_ERR, "Unknown process\n");
|
|
break;
|
|
}
|
|
if (DEBUG_GetThread(DEBUG_CurrProcess, de->dwThreadId) != NULL)
|
|
{
|
|
DEBUG_Printf(DBG_CHN_TRACE, "Thread already listed, skipping\n");
|
|
break;
|
|
}
|
|
|
|
DEBUG_CurrThread = DEBUG_AddThread(DEBUG_CurrProcess,
|
|
de->dwThreadId,
|
|
de->u.CreateThread.hThread,
|
|
de->u.CreateThread.lpStartAddress,
|
|
de->u.CreateThread.lpThreadLocalBase);
|
|
if (!DEBUG_CurrThread)
|
|
{
|
|
DEBUG_Printf(DBG_CHN_ERR, "Couldn't create thread\n");
|
|
break;
|
|
}
|
|
DEBUG_InitCurrThread();
|
|
break;
|
|
|
|
case CREATE_PROCESS_DEBUG_EVENT:
|
|
DEBUG_ProcessGetStringIndirect(buffer, sizeof(buffer),
|
|
de->u.CreateProcessInfo.hProcess,
|
|
de->u.CreateProcessInfo.lpImageName);
|
|
|
|
/* FIXME unicode ? de->u.CreateProcessInfo.fUnicode */
|
|
DEBUG_Printf(DBG_CHN_TRACE, "%08lx:%08lx: create process '%s'/%p @%08lx (%ld<%ld>)\n",
|
|
de->dwProcessId, de->dwThreadId,
|
|
buffer, de->u.CreateProcessInfo.lpImageName,
|
|
(unsigned long)(LPVOID)de->u.CreateProcessInfo.lpStartAddress,
|
|
de->u.CreateProcessInfo.dwDebugInfoFileOffset,
|
|
de->u.CreateProcessInfo.nDebugInfoSize);
|
|
|
|
DEBUG_CurrProcess = DEBUG_AddProcess(de->dwProcessId,
|
|
de->u.CreateProcessInfo.hProcess,
|
|
buffer[0] ? buffer : "<Debugged Process>");
|
|
if (DEBUG_CurrProcess == NULL)
|
|
{
|
|
DEBUG_Printf(DBG_CHN_ERR, "Couldn't create process\n");
|
|
break;
|
|
}
|
|
|
|
DEBUG_Printf(DBG_CHN_TRACE, "%08lx:%08lx: create thread I @%08lx\n",
|
|
de->dwProcessId, de->dwThreadId,
|
|
(unsigned long)(LPVOID)de->u.CreateProcessInfo.lpStartAddress);
|
|
|
|
DEBUG_CurrThread = DEBUG_AddThread(DEBUG_CurrProcess,
|
|
de->dwThreadId,
|
|
de->u.CreateProcessInfo.hThread,
|
|
de->u.CreateProcessInfo.lpStartAddress,
|
|
de->u.CreateProcessInfo.lpThreadLocalBase);
|
|
if (!DEBUG_CurrThread)
|
|
{
|
|
DEBUG_Printf(DBG_CHN_ERR, "Couldn't create thread\n");
|
|
break;
|
|
}
|
|
|
|
DEBUG_InitCurrProcess();
|
|
DEBUG_InitCurrThread();
|
|
|
|
/* module is either PE, NE or ELF module (for WineLib), but all
|
|
* are loaded with wine, so load its symbols, then the main module
|
|
*/
|
|
do
|
|
{
|
|
char* ptr = getenv("WINELOADER");
|
|
|
|
if (!ptr || DEBUG_ReadExecutableDbgInfo( ptr ) == DIL_ERROR)
|
|
DEBUG_ReadExecutableDbgInfo( "wine" );
|
|
} while (0);
|
|
|
|
DEBUG_LoadModule32(DEBUG_CurrProcess->imageName, de->u.CreateProcessInfo.hFile,
|
|
(DWORD)de->u.CreateProcessInfo.lpBaseOfImage);
|
|
|
|
break;
|
|
|
|
case EXIT_THREAD_DEBUG_EVENT:
|
|
DEBUG_Printf(DBG_CHN_TRACE, "%08lx:%08lx: exit thread (%ld)\n",
|
|
de->dwProcessId, de->dwThreadId, de->u.ExitThread.dwExitCode);
|
|
|
|
if (DEBUG_CurrThread == NULL)
|
|
{
|
|
DEBUG_Printf(DBG_CHN_ERR, "Unknown thread\n");
|
|
break;
|
|
}
|
|
/* FIXME: remove break point set on thread startup */
|
|
DEBUG_DelThread(DEBUG_CurrThread);
|
|
break;
|
|
|
|
case EXIT_PROCESS_DEBUG_EVENT:
|
|
DEBUG_Printf(DBG_CHN_TRACE, "%08lx:%08lx: exit process (%ld)\n",
|
|
de->dwProcessId, de->dwThreadId, de->u.ExitProcess.dwExitCode);
|
|
|
|
if (DEBUG_CurrProcess == NULL)
|
|
{
|
|
DEBUG_Printf(DBG_CHN_ERR, "Unknown process\n");
|
|
break;
|
|
}
|
|
/* just in case */
|
|
DEBUG_SetBreakpoints(FALSE);
|
|
/* kill last thread */
|
|
DEBUG_DelThread(DEBUG_CurrProcess->threads);
|
|
DEBUG_DelProcess(DEBUG_CurrProcess);
|
|
|
|
DEBUG_Printf(DBG_CHN_MESG, "Process of pid=%08lx has terminated\n", DEBUG_CurrPid);
|
|
break;
|
|
|
|
case LOAD_DLL_DEBUG_EVENT:
|
|
if (DEBUG_CurrThread == NULL)
|
|
{
|
|
DEBUG_Printf(DBG_CHN_ERR, "Unknown thread\n");
|
|
break;
|
|
}
|
|
DEBUG_ProcessGetStringIndirect(buffer, sizeof(buffer),
|
|
DEBUG_CurrThread->process->handle,
|
|
de->u.LoadDll.lpImageName);
|
|
|
|
/* FIXME unicode: de->u.LoadDll.fUnicode */
|
|
DEBUG_Printf(DBG_CHN_TRACE, "%08lx:%08lx: loads DLL %s @%08lx (%ld<%ld>)\n",
|
|
de->dwProcessId, de->dwThreadId,
|
|
buffer, (unsigned long)de->u.LoadDll.lpBaseOfDll,
|
|
de->u.LoadDll.dwDebugInfoFileOffset,
|
|
de->u.LoadDll.nDebugInfoSize);
|
|
_strupr(buffer);
|
|
DEBUG_LoadModule32(buffer, de->u.LoadDll.hFile, (DWORD)de->u.LoadDll.lpBaseOfDll);
|
|
DEBUG_CheckDelayedBP();
|
|
if (DBG_IVAR(BreakOnDllLoad))
|
|
{
|
|
DEBUG_Printf(DBG_CHN_MESG, "Stopping on DLL %s loading at %08lx\n",
|
|
buffer, (unsigned long)de->u.LoadDll.lpBaseOfDll);
|
|
ret = DEBUG_FetchContext();
|
|
}
|
|
break;
|
|
|
|
case UNLOAD_DLL_DEBUG_EVENT:
|
|
DEBUG_Printf(DBG_CHN_TRACE, "%08lx:%08lx: unload DLL @%08lx\n", de->dwProcessId, de->dwThreadId,
|
|
(unsigned long)de->u.UnloadDll.lpBaseOfDll);
|
|
break;
|
|
|
|
case OUTPUT_DEBUG_STRING_EVENT:
|
|
if (DEBUG_CurrThread == NULL)
|
|
{
|
|
DEBUG_Printf(DBG_CHN_ERR, "Unknown thread\n");
|
|
break;
|
|
}
|
|
|
|
DEBUG_ProcessGetString(buffer, sizeof(buffer),
|
|
DEBUG_CurrThread->process->handle,
|
|
de->u.DebugString.lpDebugStringData);
|
|
|
|
/* FIXME unicode de->u.DebugString.fUnicode ? */
|
|
DEBUG_Printf(DBG_CHN_TRACE, "%08lx:%08lx: output debug string (%s)\n",
|
|
de->dwProcessId, de->dwThreadId, buffer);
|
|
break;
|
|
|
|
case RIP_EVENT:
|
|
DEBUG_Printf(DBG_CHN_TRACE, "%08lx:%08lx: rip error=%ld type=%ld\n",
|
|
de->dwProcessId, de->dwThreadId, de->u.RipInfo.dwError,
|
|
de->u.RipInfo.dwType);
|
|
break;
|
|
|
|
default:
|
|
DEBUG_Printf(DBG_CHN_TRACE, "%08lx:%08lx: unknown event (%ld)\n",
|
|
de->dwProcessId, de->dwThreadId, de->dwDebugEventCode);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static void DEBUG_ResumeDebuggee(DWORD cont)
|
|
{
|
|
if (DEBUG_InException)
|
|
{
|
|
DEBUG_ExceptionEpilog();
|
|
#if 1
|
|
DEBUG_Printf(DBG_CHN_TRACE,
|
|
"Exiting debugger PC=%lx EFL=%08lx mode=%d count=%d\n",
|
|
#ifdef __i386__
|
|
DEBUG_context.Eip, DEBUG_context.EFlags,
|
|
#else
|
|
0L, 0L,
|
|
#endif
|
|
DEBUG_CurrThread->exec_mode, DEBUG_CurrThread->exec_count);
|
|
#endif
|
|
if (DEBUG_CurrThread)
|
|
{
|
|
if (!SetThreadContext(DEBUG_CurrThread->handle, &DEBUG_context))
|
|
DEBUG_Printf(DBG_CHN_MESG, "Cannot set ctx on %lu\n", DEBUG_CurrTid);
|
|
DEBUG_CurrThread->wait_for_first_exception = 0;
|
|
}
|
|
}
|
|
DEBUG_InteractiveP = FALSE;
|
|
if (!ContinueDebugEvent(DEBUG_CurrPid, DEBUG_CurrTid, cont))
|
|
DEBUG_Printf(DBG_CHN_MESG, "Cannot continue on %lu (%lu)\n",
|
|
DEBUG_CurrTid, cont);
|
|
}
|
|
|
|
void DEBUG_WaitNextException(DWORD cont, int count, int mode)
|
|
{
|
|
DEBUG_EVENT de;
|
|
|
|
if (cont == DBG_CONTINUE)
|
|
{
|
|
DEBUG_CurrThread->exec_count = count;
|
|
DEBUG_CurrThread->exec_mode = mode;
|
|
}
|
|
DEBUG_ResumeDebuggee(cont);
|
|
|
|
while (DEBUG_CurrProcess && WaitForDebugEvent(&de, INFINITE))
|
|
{
|
|
if (DEBUG_HandleDebugEvent(&de)) break;
|
|
ContinueDebugEvent(de.dwProcessId, de.dwThreadId, DBG_CONTINUE);
|
|
}
|
|
if (!DEBUG_CurrProcess) return;
|
|
DEBUG_InteractiveP = TRUE;
|
|
#if 1
|
|
DEBUG_Printf(DBG_CHN_TRACE,
|
|
"Entering debugger PC=%lx EFL=%08lx mode=%d count=%d\n",
|
|
#ifdef __i386__
|
|
DEBUG_context.Eip, DEBUG_context.EFlags,
|
|
#else
|
|
0L, 0L,
|
|
#endif
|
|
DEBUG_CurrThread->exec_mode, DEBUG_CurrThread->exec_count);
|
|
#endif
|
|
}
|
|
|
|
static DWORD DEBUG_MainLoop(void)
|
|
{
|
|
DEBUG_EVENT de;
|
|
|
|
DEBUG_Printf(DBG_CHN_MESG, "WineDbg starting on pid %lx\n", DEBUG_CurrPid);
|
|
|
|
/* wait for first exception */
|
|
while (WaitForDebugEvent(&de, INFINITE))
|
|
{
|
|
if (DEBUG_HandleDebugEvent(&de)) break;
|
|
ContinueDebugEvent(de.dwProcessId, de.dwThreadId, DBG_CONTINUE);
|
|
}
|
|
if (local_mode == automatic_mode)
|
|
{
|
|
/* print some extra information */
|
|
DEBUG_Printf(DBG_CHN_MESG, "Modules:\n");
|
|
DEBUG_WalkModules();
|
|
DEBUG_Printf(DBG_CHN_MESG, "Threads:\n");
|
|
DEBUG_WalkThreads();
|
|
}
|
|
else
|
|
{
|
|
DEBUG_InteractiveP = TRUE;
|
|
DEBUG_Parser(NULL);
|
|
}
|
|
DEBUG_Printf(DBG_CHN_MESG, "WineDbg terminated on pid %lx\n", DEBUG_CurrPid);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static BOOL DEBUG_Start(LPSTR cmdLine)
|
|
{
|
|
PROCESS_INFORMATION info;
|
|
STARTUPINFOA startup;
|
|
|
|
memset(&startup, 0, sizeof(startup));
|
|
startup.cb = sizeof(startup);
|
|
startup.dwFlags = STARTF_USESHOWWINDOW;
|
|
startup.wShowWindow = SW_SHOWNORMAL;
|
|
|
|
/* FIXME: shouldn't need the CREATE_NEW_CONSOLE, but as usual CUI:s need it
|
|
* while GUI:s don't
|
|
*/
|
|
if (!CreateProcess(NULL, cmdLine, NULL, NULL,
|
|
FALSE, DEBUG_PROCESS|DEBUG_ONLY_THIS_PROCESS|CREATE_NEW_CONSOLE,
|
|
NULL, NULL, &startup, &info))
|
|
{
|
|
DEBUG_Printf(DBG_CHN_MESG, "Couldn't start process '%s'\n", cmdLine);
|
|
return FALSE;
|
|
}
|
|
DEBUG_CurrPid = info.dwProcessId;
|
|
if (!(DEBUG_CurrProcess = DEBUG_AddProcess(DEBUG_CurrPid, 0, NULL))) return FALSE;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
void DEBUG_Run(const char* args)
|
|
{
|
|
DBG_MODULE* wmod = DEBUG_GetProcessMainModule(DEBUG_CurrProcess);
|
|
const char* pgm = (wmod) ? wmod->module_name : "none";
|
|
|
|
if (args) {
|
|
DEBUG_Printf(DBG_CHN_MESG, "Run (%s) with '%s'\n", pgm, args);
|
|
} else {
|
|
if (!DEBUG_LastCmdLine) {
|
|
DEBUG_Printf(DBG_CHN_MESG, "Cannot find previously used command line.\n");
|
|
return;
|
|
}
|
|
DEBUG_Start(DEBUG_LastCmdLine);
|
|
}
|
|
}
|
|
|
|
static BOOL WINAPI DEBUG_CtrlCHandler(DWORD dwCtrlType)
|
|
{
|
|
if (dwCtrlType == CTRL_C_EVENT)
|
|
{
|
|
DEBUG_Printf(DBG_CHN_MESG, "Ctrl-C: stopping debuggee\n");
|
|
/* FIXME: since we likely have a single process, signal the first process
|
|
* in list
|
|
*/
|
|
return DEBUG_ProcessList && DebugBreakProcess(DEBUG_ProcessList->handle);
|
|
}
|
|
return FALSE;
|
|
}
|
|
|
|
static void DEBUG_InitConsole(void)
|
|
{
|
|
DWORD mode;
|
|
|
|
/* keep it as a cuiexe for now, so that Wine won't touch the Unix stdin,
|
|
* stdout and stderr streams
|
|
*/
|
|
if (DBG_IVAR(UseXTerm))
|
|
{
|
|
FreeConsole();
|
|
AllocConsole();
|
|
}
|
|
|
|
/* put the line editing mode with the nice emacs features (FIXME: could be triggered by a IVAR) */
|
|
if (GetConsoleMode(GetStdHandle(STD_INPUT_HANDLE), &mode))
|
|
SetConsoleMode(GetStdHandle(STD_INPUT_HANDLE), mode | WINE_ENABLE_LINE_INPUT_EMACS);
|
|
|
|
/* set our control-C handler */
|
|
SetConsoleCtrlHandler(DEBUG_CtrlCHandler, TRUE);
|
|
|
|
/* set our own title */
|
|
SetConsoleTitle("Wine Debugger");
|
|
}
|
|
|
|
static int DEBUG_Usage(void)
|
|
{
|
|
DEBUG_Printf(DBG_CHN_MESG, "Usage: winedbg [--debugmsg dbgoptions] [--auto] [--gdb] cmdline\n" );
|
|
return 1;
|
|
}
|
|
|
|
int main(int argc, char** argv)
|
|
{
|
|
DWORD retv = 0;
|
|
unsigned gdb_flags = 0;
|
|
|
|
/* Initialize the type handling stuff. */
|
|
DEBUG_InitTypes();
|
|
DEBUG_InitCVDataTypes();
|
|
|
|
/* Initialize internal vars (types must have been initialized before) */
|
|
if (!DEBUG_IntVarsRW(TRUE)) return -1;
|
|
|
|
/* parse options */
|
|
while (argc > 1 && argv[1][0] == '-')
|
|
{
|
|
if (!strcmp( argv[1], "--auto" ))
|
|
{
|
|
if (local_mode != none_mode) return DEBUG_Usage();
|
|
local_mode = automatic_mode;
|
|
/* force some internal variables */
|
|
DBG_IVAR(UseXTerm) = 0;
|
|
DBG_IVAR(BreakOnDllLoad) = 0;
|
|
DBG_IVAR(ConChannelMask) = 0;
|
|
DBG_IVAR(StdChannelMask) = DBG_CHN_MESG;
|
|
argc--; argv++;
|
|
continue;
|
|
}
|
|
if (!strcmp( argv[1], "--gdb" ))
|
|
{
|
|
if (local_mode != none_mode) return DEBUG_Usage();
|
|
local_mode = gdb_mode;
|
|
argc--; argv++;
|
|
continue;
|
|
}
|
|
if (strcmp( argv[1], "--no-start") == 0 && local_mode == gdb_mode)
|
|
{
|
|
gdb_flags |= 1;
|
|
argc--; argv++; /* as we don't use argv[0] */
|
|
continue;
|
|
}
|
|
if (strcmp(argv[1], "--with-xterm") == 0 && local_mode == gdb_mode)
|
|
{
|
|
gdb_flags |= 2;
|
|
argc--; argv++; /* as we don't use argv[0] */
|
|
continue;
|
|
}
|
|
if (!strcmp( argv[1], "--debugmsg" ) && argv[2])
|
|
{
|
|
wine_dbg_parse_options( argv[2] );
|
|
argc -= 2;
|
|
argv += 2;
|
|
continue;
|
|
}
|
|
return DEBUG_Usage();
|
|
}
|
|
|
|
if (local_mode == none_mode) local_mode = winedbg_mode;
|
|
|
|
/* try the from <myself> pid */
|
|
if (DEBUG_CurrPid == 0 && argc == 2)
|
|
{
|
|
char* ptr;
|
|
|
|
DEBUG_CurrPid = strtol(argv[1], &ptr, 10);
|
|
if (DEBUG_CurrPid == 0 || ptr == NULL ||
|
|
!DEBUG_Attach(DEBUG_CurrPid, local_mode != gdb_mode))
|
|
DEBUG_CurrPid = 0;
|
|
}
|
|
|
|
/* try the from <myself> pid evt (Win32 JIT debugger) */
|
|
if (DEBUG_CurrPid == 0 && argc == 3)
|
|
{
|
|
HANDLE hEvent;
|
|
DWORD pid;
|
|
char* ptr;
|
|
|
|
if ((pid = strtol(argv[1], &ptr, 10)) != 0 && ptr != NULL &&
|
|
(hEvent = (HANDLE)strtol(argv[2], &ptr, 10)) != 0 && ptr != NULL)
|
|
{
|
|
if (!DEBUG_Attach(pid, TRUE))
|
|
{
|
|
/* don't care about result */
|
|
SetEvent(hEvent);
|
|
goto leave;
|
|
}
|
|
if (!SetEvent(hEvent))
|
|
{
|
|
DEBUG_Printf(DBG_CHN_ERR, "Invalid event handle: %p\n", hEvent);
|
|
goto leave;
|
|
}
|
|
CloseHandle(hEvent);
|
|
DEBUG_CurrPid = pid;
|
|
}
|
|
}
|
|
|
|
if (DEBUG_CurrPid == 0 && argc > 1)
|
|
{
|
|
int i, len;
|
|
LPSTR cmdLine;
|
|
|
|
if (!(cmdLine = DBG_alloc(len = 1))) goto oom_leave;
|
|
cmdLine[0] = '\0';
|
|
|
|
for (i = 1; i < argc; i++)
|
|
{
|
|
len += strlen(argv[i]) + 1;
|
|
if (!(cmdLine = DBG_realloc(cmdLine, len))) goto oom_leave;
|
|
strcat(cmdLine, argv[i]);
|
|
cmdLine[len - 2] = ' ';
|
|
cmdLine[len - 1] = '\0';
|
|
}
|
|
|
|
if (!DEBUG_Start(cmdLine))
|
|
{
|
|
DEBUG_Printf(DBG_CHN_MESG, "Couldn't start process '%s'\n", cmdLine);
|
|
goto leave;
|
|
}
|
|
DBG_free(DEBUG_LastCmdLine);
|
|
DEBUG_LastCmdLine = cmdLine;
|
|
}
|
|
/* don't save local vars in gdb mode */
|
|
if (local_mode == gdb_mode && DEBUG_CurrPid)
|
|
return DEBUG_GdbRemote(gdb_flags);
|
|
|
|
DEBUG_InitConsole();
|
|
|
|
retv = DEBUG_MainLoop();
|
|
/* don't save modified variables in auto mode */
|
|
if (local_mode != automatic_mode) DEBUG_IntVarsRW(FALSE);
|
|
|
|
leave:
|
|
return retv;
|
|
|
|
oom_leave:
|
|
DEBUG_Printf(DBG_CHN_MESG, "Out of memory\n");
|
|
goto leave;
|
|
}
|