467 lines
15 KiB
C
467 lines
15 KiB
C
/*
|
|
* File module.c - module handling for the wine debugger
|
|
*
|
|
* Copyright (C) 1993, Eric Youngdale.
|
|
* 2000-2004, 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*/
|
|
|
|
#include "config.h"
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <assert.h>
|
|
|
|
#include "dbghelp_private.h"
|
|
#include "psapi.h"
|
|
#include "winreg.h"
|
|
#include "winternl.h"
|
|
#include "wine/debug.h"
|
|
|
|
WINE_DEFAULT_DEBUG_CHANNEL(dbghelp);
|
|
|
|
static void module_fill_module(const char* in, char* out, unsigned size)
|
|
{
|
|
const char* ptr;
|
|
unsigned len;
|
|
|
|
for (ptr = in + strlen(in) - 1;
|
|
*ptr != '/' && *ptr != '\\' && ptr >= in;
|
|
ptr--);
|
|
if (ptr < in || *ptr == '/' || *ptr == '\\') ptr++;
|
|
strncpy(out, ptr, size);
|
|
out[size - 1] = '\0';
|
|
len = strlen(out);
|
|
if (len > 4 &&
|
|
(!strcasecmp(&out[len - 4], ".dll") || !strcasecmp(&out[len - 4], ".exe")))
|
|
out[len - 4] = '\0';
|
|
else
|
|
{
|
|
if (len > 7 &&
|
|
(!strcasecmp(&out[len - 7], ".dll.so") || !strcasecmp(&out[len - 7], ".exe.so")))
|
|
strcpy(&out[len - 7], "<elf>");
|
|
else if (len > 7 &&
|
|
out[len - 7] == '.' && !strcasecmp(&out[len - 3], ".so"))
|
|
{
|
|
if (len + 3 < size) strcpy(&out[len - 3], "<elf>");
|
|
else WARN("Buffer too short: %s\n", out);
|
|
}
|
|
}
|
|
while ((*out = tolower(*out))) out++;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* Creates and links a new module to a process
|
|
*/
|
|
struct module* module_new(struct process* pcs, const char* name,
|
|
enum module_type type,
|
|
unsigned long mod_addr, unsigned long size,
|
|
unsigned long stamp, unsigned long checksum)
|
|
{
|
|
struct module* module;
|
|
|
|
if (!(module = HeapAlloc(GetProcessHeap(), 0, sizeof(*module))))
|
|
return NULL;
|
|
|
|
memset(module, 0, sizeof(*module));
|
|
|
|
module->next = pcs->lmodules;
|
|
pcs->lmodules = module;
|
|
|
|
TRACE("=> %s %08lx-%08lx %s\n",
|
|
type == DMT_ELF ? "ELF" : (type == DMT_PE ? "PE" : "---"),
|
|
mod_addr, mod_addr + size, name);
|
|
|
|
pool_init(&module->pool, 65536);
|
|
|
|
module->module.SizeOfStruct = sizeof(module->module);
|
|
module->module.BaseOfImage = mod_addr;
|
|
module->module.ImageSize = size;
|
|
module_fill_module(name, module->module.ModuleName, sizeof(module->module.ModuleName));
|
|
module->module.ImageName[0] = '\0';
|
|
strncpy(module->module.LoadedImageName, name,
|
|
sizeof(module->module.LoadedImageName));
|
|
module->module.LoadedImageName[sizeof(module->module.LoadedImageName) - 1] = '\0';
|
|
module->module.SymType = SymNone;
|
|
module->module.NumSyms = 0;
|
|
module->module.TimeDateStamp = stamp;
|
|
module->module.CheckSum = checksum;
|
|
|
|
module->type = type;
|
|
module->sortlist_valid = FALSE;
|
|
module->addr_sorttab = NULL;
|
|
/* FIXME: this seems a bit too high (on a per module basis)
|
|
* need some statistics about this
|
|
*/
|
|
hash_table_init(&module->pool, &module->ht_symbols, 4096);
|
|
hash_table_init(&module->pool, &module->ht_types, 4096);
|
|
|
|
module->sources_used = 0;
|
|
module->sources_alloc = 0;
|
|
module->sources = 0;
|
|
|
|
return module;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* module_find_by_name
|
|
*
|
|
*/
|
|
struct module* module_find_by_name(const struct process* pcs,
|
|
const char* name, enum module_type type)
|
|
{
|
|
struct module* module;
|
|
|
|
if (type == DMT_UNKNOWN)
|
|
{
|
|
if ((module = module_find_by_name(pcs, name, DMT_PE)) ||
|
|
(module = module_find_by_name(pcs, name, DMT_ELF)))
|
|
return module;
|
|
}
|
|
else
|
|
{
|
|
for (module = pcs->lmodules; module; module = module->next)
|
|
{
|
|
if (type == module->type && !strcasecmp(name, module->module.LoadedImageName))
|
|
return module;
|
|
}
|
|
for (module = pcs->lmodules; module; module = module->next)
|
|
{
|
|
if (type == module->type && !strcasecmp(name, module->module.ModuleName))
|
|
return module;
|
|
}
|
|
}
|
|
SetLastError(ERROR_INVALID_NAME);
|
|
return NULL;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* module_has_container
|
|
*
|
|
*/
|
|
static struct module* module_get_container(const struct process* pcs,
|
|
const struct module* inner)
|
|
{
|
|
struct module* module;
|
|
|
|
for (module = pcs->lmodules; module; module = module->next)
|
|
{
|
|
if (module != inner &&
|
|
module->module.BaseOfImage <= inner->module.BaseOfImage &&
|
|
module->module.BaseOfImage + module->module.ImageSize >=
|
|
inner->module.BaseOfImage + inner->module.ImageSize)
|
|
return module;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
/******************************************************************
|
|
* module_get_debug
|
|
*
|
|
* get the debug information from a module:
|
|
* - if the module's type is deferred, then force loading of debug info (and return
|
|
* the module itself)
|
|
* - if the module has no debug info and has an ELF container, then return the ELF
|
|
* container (and also force the ELF container's debug info loading if deferred)
|
|
* - otherwise return the module itself if it has some debug info
|
|
*/
|
|
struct module* module_get_debug(const struct process* pcs, struct module* module)
|
|
{
|
|
if (!module) return NULL;
|
|
switch (module->module.SymType)
|
|
{
|
|
case -1: break;
|
|
case SymNone:
|
|
module = module_get_container(pcs, module);
|
|
if (!module || module->module.SymType != SymDeferred) break;
|
|
/* fall through */
|
|
case SymDeferred:
|
|
switch (module->type)
|
|
{
|
|
case DMT_ELF:
|
|
elf_load_debug_info(module);
|
|
break;
|
|
case DMT_PE:
|
|
pe_load_debug_info(pcs, module);
|
|
break;
|
|
default: break;
|
|
}
|
|
break;
|
|
default: break;
|
|
}
|
|
return (module && module->module.SymType > SymNone) ? module : NULL;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* module_find_by_addr
|
|
*
|
|
* either the addr where module is loaded, or any address inside the
|
|
* module
|
|
*/
|
|
struct module* module_find_by_addr(const struct process* pcs, unsigned long addr,
|
|
enum module_type type)
|
|
{
|
|
struct module* module;
|
|
|
|
if (type == DMT_UNKNOWN)
|
|
{
|
|
if ((module = module_find_by_addr(pcs, addr, DMT_PE)) ||
|
|
(module = module_find_by_addr(pcs, addr, DMT_ELF)))
|
|
return module;
|
|
}
|
|
else
|
|
{
|
|
for (module = pcs->lmodules; module; module = module->next)
|
|
{
|
|
if (type == module->type && addr >= module->module.BaseOfImage &&
|
|
addr < module->module.BaseOfImage + module->module.ImageSize)
|
|
return module;
|
|
}
|
|
}
|
|
SetLastError(ERROR_INVALID_ADDRESS);
|
|
return module;
|
|
}
|
|
|
|
static BOOL module_is_elf_container_loaded(struct process* pcs, const char* ImageName,
|
|
const char* ModuleName)
|
|
{
|
|
char buffer[MAX_PATH];
|
|
size_t len;
|
|
struct module* module;
|
|
|
|
if (!ModuleName)
|
|
{
|
|
module_fill_module(ImageName, buffer, sizeof(buffer));
|
|
ModuleName = buffer;
|
|
}
|
|
len = strlen(ModuleName);
|
|
for (module = pcs->lmodules; module; module = module->next)
|
|
{
|
|
if (!strncasecmp(module->module.ModuleName, ModuleName, len) &&
|
|
module->type == DMT_ELF &&
|
|
!strcmp(module->module.ModuleName + len, "<elf>"))
|
|
return TRUE;
|
|
}
|
|
return FALSE;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* SymLoadModule (DBGHELP.@)
|
|
*/
|
|
DWORD WINAPI SymLoadModule(HANDLE hProcess, HANDLE hFile, char* ImageName,
|
|
char* ModuleName, DWORD BaseOfDll, DWORD SizeOfDll)
|
|
{
|
|
struct process* pcs;
|
|
struct module* module = NULL;
|
|
|
|
TRACE("(%p %p %s %s %08lx %08lx)\n",
|
|
hProcess, hFile, debugstr_a(ImageName), debugstr_a(ModuleName),
|
|
BaseOfDll, SizeOfDll);
|
|
|
|
pcs = process_find_by_handle(hProcess);
|
|
if (!pcs) return FALSE;
|
|
|
|
/* force transparent ELF loading / unloading */
|
|
elf_synchronize_module_list(pcs);
|
|
|
|
/* this is a Wine extension to the API just to redo the synchronisation */
|
|
if (!ImageName && !hFile) return 0;
|
|
|
|
if (module_is_elf_container_loaded(pcs, ImageName, ModuleName))
|
|
{
|
|
/* force the loading of DLL as builtin */
|
|
if ((module = pe_load_module_from_pcs(pcs, ImageName, ModuleName, BaseOfDll, SizeOfDll)))
|
|
goto done;
|
|
WARN("Couldn't locate %s\n", ImageName);
|
|
return 0;
|
|
}
|
|
TRACE("Assuming %s as native DLL\n", ImageName);
|
|
if (!(module = pe_load_module(pcs, ImageName, hFile, BaseOfDll, SizeOfDll)))
|
|
{
|
|
unsigned len = strlen(ImageName);
|
|
|
|
if (!strcmp(ImageName + len - 3, ".so") &&
|
|
(module = elf_load_module(pcs, ImageName))) goto done;
|
|
FIXME("should no longer happen\n");
|
|
if ((module = pe_load_module_from_pcs(pcs, ImageName, ModuleName, BaseOfDll, SizeOfDll)))
|
|
goto done;
|
|
WARN("Couldn't locate %s\n", ImageName);
|
|
return 0;
|
|
}
|
|
|
|
done:
|
|
/* by default pe_load_module fills module.ModuleName from a derivation
|
|
* of ImageName. Overwrite it, if we have better information
|
|
*/
|
|
if (ModuleName)
|
|
{
|
|
strncpy(module->module.ModuleName, ModuleName,
|
|
sizeof(module->module.ModuleName));
|
|
module->module.ModuleName[sizeof(module->module.ModuleName) - 1] = '\0';
|
|
}
|
|
strncpy(module->module.ImageName, ImageName, sizeof(module->module.ImageName));
|
|
module->module.ImageName[sizeof(module->module.ImageName) - 1] = '\0';
|
|
|
|
return module->module.BaseOfImage;
|
|
}
|
|
|
|
/******************************************************************
|
|
* module_remove
|
|
*
|
|
*/
|
|
BOOL module_remove(struct process* pcs, struct module* module)
|
|
{
|
|
struct module** p;
|
|
|
|
TRACE("%s (%p)\n", module->module.ModuleName, module);
|
|
hash_table_destroy(&module->ht_symbols);
|
|
hash_table_destroy(&module->ht_types);
|
|
HeapFree(GetProcessHeap(), 0, (char*)module->sources);
|
|
HeapFree(GetProcessHeap(), 0, module->addr_sorttab);
|
|
pool_destroy(&module->pool);
|
|
|
|
for (p = &pcs->lmodules; *p; p = &(*p)->next)
|
|
{
|
|
if (*p == module)
|
|
{
|
|
*p = module->next;
|
|
HeapFree(GetProcessHeap(), 0, module);
|
|
return TRUE;
|
|
}
|
|
}
|
|
FIXME("This shouldn't happen\n");
|
|
return FALSE;
|
|
}
|
|
|
|
/******************************************************************
|
|
* SymUnloadModule (DBGHELP.@)
|
|
*
|
|
*/
|
|
BOOL WINAPI SymUnloadModule(HANDLE hProcess, DWORD BaseOfDll)
|
|
{
|
|
struct process* pcs;
|
|
struct module* module;
|
|
|
|
pcs = process_find_by_handle(hProcess);
|
|
if (!pcs) return FALSE;
|
|
module = module_find_by_addr(pcs, BaseOfDll, DMT_UNKNOWN);
|
|
if (!module) return FALSE;
|
|
return module_remove(pcs, module);
|
|
}
|
|
|
|
/******************************************************************
|
|
* SymEnumerateModules (DBGHELP.@)
|
|
*
|
|
*/
|
|
BOOL WINAPI SymEnumerateModules(HANDLE hProcess,
|
|
PSYM_ENUMMODULES_CALLBACK EnumModulesCallback,
|
|
PVOID UserContext)
|
|
{
|
|
struct process* pcs = process_find_by_handle(hProcess);
|
|
struct module* module;
|
|
|
|
if (!pcs) return FALSE;
|
|
|
|
for (module = pcs->lmodules; module; module = module->next)
|
|
{
|
|
if (!(dbghelp_options & SYMOPT_WINE_WITH_ELF_MODULES) && module->type != DMT_PE)
|
|
continue;
|
|
if (!EnumModulesCallback(module->module.ModuleName,
|
|
module->module.BaseOfImage, UserContext))
|
|
break;
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
/******************************************************************
|
|
* EnumerateLoadedModules (DBGHELP.@)
|
|
*
|
|
*/
|
|
BOOL WINAPI EnumerateLoadedModules(HANDLE hProcess,
|
|
PENUMLOADED_MODULES_CALLBACK EnumLoadedModulesCallback,
|
|
PVOID UserContext)
|
|
{
|
|
HMODULE* hMods;
|
|
char base[256], mod[256];
|
|
DWORD i, sz;
|
|
MODULEINFO mi;
|
|
|
|
hMods = HeapAlloc(GetProcessHeap(), 0, sz);
|
|
if (!hMods) return FALSE;
|
|
|
|
if (!EnumProcessModules(hProcess, hMods, 256 * sizeof(hMods[0]), &sz))
|
|
{
|
|
/* hProcess should also be a valid process handle !! */
|
|
FIXME("If this happens, bump the number in mod\n");
|
|
HeapFree(GetProcessHeap(), 0, hMods);
|
|
return FALSE;
|
|
}
|
|
sz /= sizeof(HMODULE);
|
|
for (i = 0; i < sz; i++)
|
|
{
|
|
if (!GetModuleInformation(hProcess, hMods[i], &mi, sizeof(mi)) ||
|
|
!GetModuleBaseNameA(hProcess, hMods[i], base, sizeof(base)))
|
|
continue;
|
|
module_fill_module(base, mod, sizeof(mod));
|
|
|
|
EnumLoadedModulesCallback(mod, (DWORD)mi.lpBaseOfDll, mi.SizeOfImage,
|
|
UserContext);
|
|
}
|
|
HeapFree(GetProcessHeap(), 0, hMods);
|
|
|
|
return sz != 0 && i == sz;
|
|
}
|
|
|
|
/******************************************************************
|
|
* SymGetModuleInfo (DBGHELP.@)
|
|
*
|
|
*/
|
|
BOOL WINAPI SymGetModuleInfo(HANDLE hProcess, DWORD dwAddr,
|
|
PIMAGEHLP_MODULE ModuleInfo)
|
|
{
|
|
struct process* pcs = process_find_by_handle(hProcess);
|
|
struct module* module;
|
|
|
|
if (!pcs) return FALSE;
|
|
if (ModuleInfo->SizeOfStruct < sizeof(*ModuleInfo)) return FALSE;
|
|
module = module_find_by_addr(pcs, dwAddr, DMT_UNKNOWN);
|
|
if (!module) return FALSE;
|
|
|
|
*ModuleInfo = module->module;
|
|
if (module->module.SymType <= SymNone)
|
|
{
|
|
module = module_get_container(pcs, module);
|
|
if (module && module->module.SymType > SymNone)
|
|
ModuleInfo->SymType = module->module.SymType;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* SymGetModuleBase (IMAGEHLP.@)
|
|
*/
|
|
DWORD WINAPI SymGetModuleBase(HANDLE hProcess, DWORD dwAddr)
|
|
{
|
|
struct process* pcs = process_find_by_handle(hProcess);
|
|
struct module* module;
|
|
|
|
if (!pcs) return 0;
|
|
module = module_find_by_addr(pcs, dwAddr, DMT_UNKNOWN);
|
|
if (!module) return 0;
|
|
return module->module.BaseOfImage;
|
|
}
|