Sweden-Number/programs/winedbg/tgt_module.c

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/*
* Wine debugger - loading a module for debug purposes
*
* Copyright 2006 Eric Pouech
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#define NONAMELESSUNION
#define NONAMELESSSTRUCT
#include "config.h"
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <stdarg.h>
#include "debugger.h"
static struct be_process_io be_process_module_io;
static BOOL WINAPI tgt_process_module_read(HANDLE hProcess, const void* addr,
void* buffer, SIZE_T len, SIZE_T* rlen)
{
return FALSE;
}
static BOOL WINAPI tgt_process_module_write(HANDLE hProcess, void* addr,
const void* buffer, SIZE_T len, SIZE_T* wlen)
{
return FALSE;
}
enum dbg_start tgt_module_load(const char* name, BOOL keep)
{
DWORD opts = SymGetOptions();
HANDLE hDummy = (HANDLE)0x87654321;
enum dbg_start ret = start_ok;
WCHAR* nameW;
unsigned len;
SymSetOptions((opts & ~(SYMOPT_UNDNAME|SYMOPT_DEFERRED_LOADS)) |
SYMOPT_LOAD_LINES | SYMOPT_AUTO_PUBLICS | 0x40000000);
if (!dbg_init(hDummy, NULL, FALSE))
return start_error_init;
len = MultiByteToWideChar(CP_ACP, 0, name, -1, NULL, 0);
nameW = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
if (!nameW)
{
ret = start_error_init;
keep = FALSE;
}
else
{
len = MultiByteToWideChar(CP_ACP, 0, name, -1, nameW, len);
if (!dbg_load_module(hDummy, NULL, nameW, 0, 0))
{
ret = start_error_init;
keep = FALSE;
}
HeapFree(GetProcessHeap(), 0, nameW);
}
if (keep)
{
dbg_printf("Non supported mode... errors may occur\n"
"Use at your own risks\n");
SymSetOptions(SymGetOptions() | 0x40000000);
dbg_curr_process = dbg_add_process(&be_process_module_io, 1, hDummy);
dbg_curr_pid = 1;
dbg_curr_thread = dbg_add_thread(dbg_curr_process, 2, NULL, NULL);
/* FIXME: missing thread creation, fetching frames, restoring dbghelp's options... */
}
else
{
SymCleanup(hDummy);
SymSetOptions(opts);
}
return ret;
}
static BOOL tgt_process_module_close_process(struct dbg_process* pcs, BOOL kill)
{
SymCleanup(pcs->handle);
dbg_del_process(pcs);
return TRUE;
}
static BOOL WINAPI tgt_process_module_get_selector(HANDLE hThread, DWORD sel, LDT_ENTRY* le)
{
return FALSE;
}
static struct be_process_io be_process_module_io =
{
tgt_process_module_close_process,
tgt_process_module_read,
tgt_process_module_write,
tgt_process_module_get_selector,
};