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dbghelp: Factorize a bit the ELF enumeration callbacks.

This commit is contained in:
Eric Pouech 2010-12-27 15:03:12 +01:00 committed by Alexandre Julliard
parent 12880784fe
commit 8740f1dc1e
1 changed files with 61 additions and 67 deletions
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128
dlls/dbghelp/elf_module.c
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@ -1279,65 +1279,6 @@ static BOOL elf_enum_modules_internal(const struct process* pcs,
return TRUE;
}
struct elf_sync
{
struct process* pcs;
struct elf_info elf_info;
};
static BOOL elf_enum_sync_cb(const WCHAR* name, unsigned long load_addr,
unsigned long dyn_addr, void* user)
{
struct elf_sync* es = user;
elf_search_and_load_file(es->pcs, name, load_addr, dyn_addr, &es->elf_info);
return TRUE;
}
/******************************************************************
* elf_synchronize_module_list
*
* this functions rescans the debuggee module's list and synchronizes it with
* the one from 'pcs', ie:
* - if a module is in debuggee and not in pcs, it's loaded into pcs
* - if a module is in pcs and not in debuggee, it's unloaded from pcs
*/
BOOL elf_synchronize_module_list(struct process* pcs)
{
struct module* module;
struct elf_sync es;
for (module = pcs->lmodules; module; module = module->next)
{
if (module->type == DMT_ELF && !module->is_virtual)
module->format_info[DFI_ELF]->u.elf_info->elf_mark = 0;
}
es.pcs = pcs;
es.elf_info.flags = ELF_INFO_MODULE;
if (!elf_enum_modules_internal(pcs, NULL, elf_enum_sync_cb, &es))
return FALSE;
module = pcs->lmodules;
while (module)
{
if (module->type == DMT_ELF && !module->is_virtual)
{
struct elf_module_info* elf_info = module->format_info[DFI_ELF]->u.elf_info;
if (!elf_info->elf_mark && !elf_info->elf_loader)
{
module_remove(pcs, module);
/* restart all over */
module = pcs->lmodules;
continue;
}
}
module = module->next;
}
return TRUE;
}
/******************************************************************
* elf_search_loader
*
@ -1440,19 +1381,25 @@ static BOOL elf_load_cb(const WCHAR* name, unsigned long load_addr,
unsigned long dyn_addr, void* user)
{
struct elf_load* el = user;
BOOL ret = TRUE;
const WCHAR* p;
/* memcmp is needed for matches when bufstr contains also version information
* el->name: libc.so, name: libc.so.6.0
*/
p = strrchrW(name, '/');
if (!p++) p = name;
if (!memcmp(p, el->name, lstrlenW(el->name) * sizeof(WCHAR)))
if (el->name)
{
/* memcmp is needed for matches when bufstr contains also version information
* el->name: libc.so, name: libc.so.6.0
*/
p = strrchrW(name, '/');
if (!p++) p = name;
}
if (!el->name || !memcmp(p, el->name, lstrlenW(el->name) * sizeof(WCHAR)))
{
el->ret = elf_search_and_load_file(el->pcs, name, load_addr, dyn_addr, &el->elf_info);
return FALSE;
if (el->name) ret = FALSE;
}
return TRUE;
return ret;
}
/******************************************************************
@ -1494,6 +1441,53 @@ struct module* elf_load_module(struct process* pcs, const WCHAR* name, unsigned
return el.elf_info.module;
}
/******************************************************************
* elf_synchronize_module_list
*
* this functions rescans the debuggee module's list and synchronizes it with
* the one from 'pcs', ie:
* - if a module is in debuggee and not in pcs, it's loaded into pcs
* - if a module is in pcs and not in debuggee, it's unloaded from pcs
*/
BOOL elf_synchronize_module_list(struct process* pcs)
{
struct module* module;
struct elf_load el;
for (module = pcs->lmodules; module; module = module->next)
{
if (module->type == DMT_ELF && !module->is_virtual)
module->format_info[DFI_ELF]->u.elf_info->elf_mark = 0;
}
el.pcs = pcs;
el.elf_info.flags = ELF_INFO_MODULE;
el.ret = FALSE;
el.name = NULL; /* fetch all modules */
if (!elf_enum_modules_internal(pcs, NULL, elf_load_cb, &el))
return FALSE;
module = pcs->lmodules;
while (module)
{
if (module->type == DMT_ELF && !module->is_virtual)
{
struct elf_module_info* elf_info = module->format_info[DFI_ELF]->u.elf_info;
if (!elf_info->elf_mark && !elf_info->elf_loader)
{
module_remove(pcs, module);
/* restart all over */
module = pcs->lmodules;
continue;
}
}
module = module->next;
}
return TRUE;
}
#else /* !__ELF__ */
BOOL elf_find_section(struct image_file_map* fmap, const char* name,