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dbghelp: Move debug info loading out of image backends into SymLoadModuleEx(). 

Signed-off-by: Eric Pouech <eric.pouech@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Eric Pouech 2021-11-16 17:47:30 +01:00 committed by Alexandre Julliard
parent 1b7bce4bf8
commit ced12a1a3a
4 changed files with 43 additions and 53 deletions
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7
dlls/dbghelp/elf_module.c
View File

@ -1261,15 +1261,10 @@ static BOOL elf_load_file_from_fmap(struct process* pcs, const WCHAR* filename,
elf_module_info->file_map = *fmap;
elf_reset_file_map(fmap);
if (dbghelp_options & SYMOPT_DEFERRED_LOADS)
{
elf_info->module->module.SymType = SymDeferred;
ret = TRUE;
}
else ret = elf_load_debug_info(pcs, elf_info->module);
elf_module_info->elf_mark = 1;
elf_module_info->elf_loader = 0;
ret = TRUE;
} else ret = TRUE;
if (elf_info->flags & ELF_INFO_NAME)

4
dlls/dbghelp/macho_module.c
View File

@ -1495,10 +1495,6 @@ static BOOL macho_load_file(struct process* pcs, const WCHAR* filename,
macho_module_info->file_map = fmap;
reset_file_map(&fmap);
if (dbghelp_options & SYMOPT_DEFERRED_LOADS)
macho_info->module->module.SymType = SymDeferred;
else if (!macho_load_debug_info(pcs, macho_info->module))
ret = FALSE;
macho_info->module->format_info[DFI_MACHO]->u.macho_info->in_use = 1;
macho_info->module->format_info[DFI_MACHO]->u.macho_info->is_loader = 0;

76
dlls/dbghelp/module.c
View File

@ -200,7 +200,7 @@ struct module* module_new(struct process* pcs, const WCHAR* name,
module_set_module(module, name);
module->module.ImageName[0] = '\0';
lstrcpynW(module->module.LoadedImageName, name, ARRAY_SIZE(module->module.LoadedImageName));
module->module.SymType = SymNone;
module->module.SymType = SymDeferred;
module->module.NumSyms = 0;
module->module.TimeDateStamp = stamp;
module->module.CheckSum = checksum;
@ -350,6 +350,42 @@ struct module* module_get_containee(const struct process* pcs, const struct modu
return NULL;
}
BOOL module_load_debug(struct module* module)
{
IMAGEHLP_DEFERRED_SYMBOL_LOADW64 idslW64;
/* if deferred, force loading */
if (module->module.SymType == SymDeferred)
{
BOOL ret;
if (module->is_virtual) ret = FALSE;
else if (module->type == DMT_PE)
{
idslW64.SizeOfStruct = sizeof(idslW64);
idslW64.BaseOfImage = module->module.BaseOfImage;
idslW64.CheckSum = module->module.CheckSum;
idslW64.TimeDateStamp = module->module.TimeDateStamp;
memcpy(idslW64.FileName, module->module.ImageName,
sizeof(module->module.ImageName));
idslW64.Reparse = FALSE;
idslW64.hFile = INVALID_HANDLE_VALUE;
pcs_callback(module->process, CBA_DEFERRED_SYMBOL_LOAD_START, &idslW64);
ret = pe_load_debug_info(module->process, module);
pcs_callback(module->process,
ret ? CBA_DEFERRED_SYMBOL_LOAD_COMPLETE : CBA_DEFERRED_SYMBOL_LOAD_FAILURE,
&idslW64);
}
else ret = module->process->loader->load_debug_info(module->process, module);
if (!ret) module->module.SymType = SymNone;
assert(module->module.SymType != SymDeferred);
module->module.NumSyms = module->ht_symbols.num_elts;
}
return module->module.SymType != SymNone;
}
/******************************************************************
* module_get_debug
*
@ -362,42 +398,11 @@ struct module* module_get_containee(const struct process* pcs, const struct modu
*/
BOOL module_get_debug(struct module_pair* pair)
{
IMAGEHLP_DEFERRED_SYMBOL_LOADW64 idslW64;
if (!pair->requested) return FALSE;
/* for a PE builtin, always get info from container */
if (!(pair->effective = module_get_container(pair->pcs, pair->requested)))
pair->effective = pair->requested;
/* if deferred, force loading */
if (pair->effective->module.SymType == SymDeferred)
{
BOOL ret;
if (pair->effective->is_virtual) ret = FALSE;
else if (pair->effective->type == DMT_PE)
{
idslW64.SizeOfStruct = sizeof(idslW64);
idslW64.BaseOfImage = pair->effective->module.BaseOfImage;
idslW64.CheckSum = pair->effective->module.CheckSum;
idslW64.TimeDateStamp = pair->effective->module.TimeDateStamp;
memcpy(idslW64.FileName, pair->effective->module.ImageName,
sizeof(pair->effective->module.ImageName));
idslW64.Reparse = FALSE;
idslW64.hFile = INVALID_HANDLE_VALUE;
pcs_callback(pair->pcs, CBA_DEFERRED_SYMBOL_LOAD_START, &idslW64);
ret = pe_load_debug_info(pair->pcs, pair->effective);
pcs_callback(pair->pcs,
ret ? CBA_DEFERRED_SYMBOL_LOAD_COMPLETE : CBA_DEFERRED_SYMBOL_LOAD_FAILURE,
&idslW64);
}
else ret = pair->pcs->loader->load_debug_info(pair->pcs, pair->effective);
if (!ret) pair->effective->module.SymType = SymNone;
assert(pair->effective->module.SymType != SymDeferred);
pair->effective->module.NumSyms = pair->effective->ht_symbols.num_elts;
}
return pair->effective->module.SymType != SymNone;
return module_load_debug(pair->effective);
}
/***********************************************************************
@ -966,7 +971,6 @@ DWORD64 WINAPI SymLoadModuleExW(HANDLE hProcess, HANDLE hFile, PCWSTR wImageNam
WARN("Couldn't locate %s\n", debugstr_w(wImageName));
return 0;
}
module->module.NumSyms = module->ht_symbols.num_elts;
/* by default module_new fills module.ModuleName from a derivation
* of LoadedImageName. Overwrite it, if we have better information
*/
@ -974,7 +978,8 @@ DWORD64 WINAPI SymLoadModuleExW(HANDLE hProcess, HANDLE hFile, PCWSTR wImageNam
module_set_module(module, wModuleName);
if (wImageName)
lstrcpynW(module->module.ImageName, wImageName, ARRAY_SIZE(module->module.ImageName));
if ((dbghelp_options & SYMOPT_DEFERRED_LOADS) == 0)
module_load_debug(module);
return module->module.BaseOfImage;
}
@ -1494,6 +1499,7 @@ static struct module* native_load_module(struct process* pcs, const WCHAR* name,
static BOOL native_load_debug_info(struct process* process, struct module* module)
{
module->module.SymType = SymNone;
return FALSE;
}

9
dlls/dbghelp/pe_module.c
View File

@ -751,7 +751,7 @@ BOOL pe_load_debug_info(const struct process* pcs, struct module* module)
/* FIXME shouldn't we check that? if (!module_get_debug(pcs, module)) */
if (pe_load_export_debug_info(pcs, module) && !ret)
ret = TRUE;
if (!ret) module->module.SymType = SymNone;
return ret;
}
@ -797,8 +797,6 @@ struct module* pe_load_native_module(struct process* pcs, const WCHAR* name,
opened = TRUE;
}
else if (name) lstrcpyW(loaded_name, name);
else if (dbghelp_options & SYMOPT_DEFERRED_LOADS)
FIXME("Trouble ahead (no module name passed in deferred mode)\n");
if (!(modfmt = HeapAlloc(GetProcessHeap(), 0, sizeof(struct module_format) + sizeof(struct pe_module_info))))
return NULL;
modfmt->u.pe_info = (struct pe_module_info*)(modfmt + 1);
@ -824,12 +822,7 @@ struct module* pe_load_native_module(struct process* pcs, const WCHAR* name,
modfmt->module = module;
modfmt->remove = pe_module_remove;
modfmt->loc_compute = NULL;
module->format_info[DFI_PE] = modfmt;
if (dbghelp_options & SYMOPT_DEFERRED_LOADS)
module->module.SymType = SymDeferred;
else
pe_load_debug_info(pcs, module);
module->reloc_delta = base - PE_FROM_OPTHDR(&modfmt->u.pe_info->fmap, ImageBase);
}
else