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dbghelp: Split storage of PE header. 

Signed-off-by: Eric Pouech <eric.pouech@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Eric Pouech 2021-08-31 13:20:26 +02:00 committed by Alexandre Julliard
parent 2586907566
commit 339953cced
2 changed files with 27 additions and 25 deletions
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3
dlls/dbghelp/image_private.h
View File

@ -150,7 +150,8 @@ struct image_file_map
struct pe_file_map
{
HANDLE hMap;
IMAGE_NT_HEADERS ntheader;
IMAGE_FILE_HEADER file_header;
IMAGE_OPTIONAL_HEADER opt_header;
BOOL builtin;
unsigned full_count;
void* full_map;

49
dlls/dbghelp/pe_module.c
View File

@ -75,7 +75,7 @@ static const char* pe_map_section(struct image_section_map* ism)
void* mapping;
struct pe_file_map* fmap = &ism->fmap->u.pe;
if (ism->sidx >= 0 && ism->sidx < fmap->ntheader.FileHeader.NumberOfSections &&
if (ism->sidx >= 0 && ism->sidx < fmap->file_header.NumberOfSections &&
fmap->sect[ism->sidx].mapped == IMAGE_NO_MAP)
{
IMAGE_NT_HEADERS* nth;
@ -115,7 +115,7 @@ static BOOL pe_find_section(struct image_file_map* fmap, const char* name,
unsigned i;
char tmp[IMAGE_SIZEOF_SHORT_NAME + 1];
for (i = 0; i < fmap->u.pe.ntheader.FileHeader.NumberOfSections; i++)
for (i = 0; i < fmap->u.pe.file_header.NumberOfSections; i++)
{
sectname = (const char*)fmap->u.pe.sect[i].shdr.Name;
/* long section names start with a '/' (at least on MinGW32) */
@ -147,7 +147,7 @@ static BOOL pe_find_section(struct image_file_map* fmap, const char* name,
*/
static void pe_unmap_section(struct image_section_map* ism)
{
if (ism->sidx >= 0 && ism->sidx < ism->fmap->u.pe.ntheader.FileHeader.NumberOfSections &&
if (ism->sidx >= 0 && ism->sidx < ism->fmap->u.pe.file_header.NumberOfSections &&
ism->fmap->u.pe.sect[ism->sidx].mapped != IMAGE_NO_MAP)
{
pe_unmap_full(ism->fmap);
@ -162,7 +162,7 @@ static void pe_unmap_section(struct image_section_map* ism)
*/
static DWORD_PTR pe_get_map_rva(const struct image_section_map* ism)
{
if (ism->sidx < 0 || ism->sidx >= ism->fmap->u.pe.ntheader.FileHeader.NumberOfSections)
if (ism->sidx < 0 || ism->sidx >= ism->fmap->u.pe.file_header.NumberOfSections)
return 0;
return ism->fmap->u.pe.sect[ism->sidx].shdr.VirtualAddress;
}
@ -174,7 +174,7 @@ static DWORD_PTR pe_get_map_rva(const struct image_section_map* ism)
*/
static unsigned pe_get_map_size(const struct image_section_map* ism)
{
if (ism->sidx < 0 || ism->sidx >= ism->fmap->u.pe.ntheader.FileHeader.NumberOfSections)
if (ism->sidx < 0 || ism->sidx >= ism->fmap->u.pe.file_header.NumberOfSections)
return 0;
return ism->fmap->u.pe.sect[ism->sidx].shdr.Misc.VirtualSize;
}
@ -190,7 +190,7 @@ static void pe_unmap_file(struct image_file_map* fmap)
{
struct image_section_map ism;
ism.fmap = fmap;
for (ism.sidx = 0; ism.sidx < fmap->u.pe.ntheader.FileHeader.NumberOfSections; ism.sidx++)
for (ism.sidx = 0; ism.sidx < fmap->u.pe.file_header.NumberOfSections; ism.sidx++)
{
pe_unmap_section(&ism);
}
@ -258,7 +258,8 @@ BOOL pe_map_file(HANDLE file, struct image_file_map* fmap, enum module_type mt)
unsigned i;
if (!(nthdr = RtlImageNtHeader(mapping))) goto error;
memcpy(&fmap->u.pe.ntheader, nthdr, sizeof(fmap->u.pe.ntheader));
memcpy(&fmap->u.pe.file_header, &nthdr->FileHeader, sizeof(fmap->u.pe.file_header));
memcpy(&fmap->u.pe.opt_header, &nthdr->OptionalHeader, sizeof(fmap->u.pe.opt_header));
switch (nthdr->OptionalHeader.Magic)
{
case 0x10b: fmap->addr_size = 32; break;
@ -298,8 +299,8 @@ BOOL pe_map_file(HANDLE file, struct image_file_map* fmap, enum module_type mt)
{
WARN("Bad coff table... wipping out\n");
/* we have bad information here, wipe it out */
fmap->u.pe.ntheader.FileHeader.PointerToSymbolTable = 0;
fmap->u.pe.ntheader.FileHeader.NumberOfSymbols = 0;
fmap->u.pe.file_header.PointerToSymbolTable = 0;
fmap->u.pe.file_header.NumberOfSymbols = 0;
fmap->u.pe.strtable = NULL;
}
}
@ -362,16 +363,16 @@ static BOOL pe_locate_with_coff_symbol_table(struct module* module)
struct symt_data* sym;
const char* mapping;
numsym = fmap->u.pe.ntheader.FileHeader.NumberOfSymbols;
if (!fmap->u.pe.ntheader.FileHeader.PointerToSymbolTable || !numsym)
numsym = fmap->u.pe.file_header.NumberOfSymbols;
if (!fmap->u.pe.file_header.PointerToSymbolTable || !numsym)
return TRUE;
if (!(mapping = pe_map_full(fmap, NULL))) return FALSE;
isym = (const IMAGE_SYMBOL*)(mapping + fmap->u.pe.ntheader.FileHeader.PointerToSymbolTable);
isym = (const IMAGE_SYMBOL*)(mapping + fmap->u.pe.file_header.PointerToSymbolTable);
for (i = 0; i < numsym; i+= naux, isym += naux)
{
if (isym->StorageClass == IMAGE_SYM_CLASS_EXTERNAL &&
isym->SectionNumber > 0 && isym->SectionNumber <= fmap->u.pe.ntheader.FileHeader.NumberOfSections)
isym->SectionNumber > 0 && isym->SectionNumber <= fmap->u.pe.file_header.NumberOfSections)
{
if (isym->N.Name.Short)
{
@ -424,11 +425,11 @@ static BOOL pe_load_coff_symbol_table(struct module* module)
const IMAGE_SECTION_HEADER* sect;
const char* mapping;
numsym = fmap->u.pe.ntheader.FileHeader.NumberOfSymbols;
if (!fmap->u.pe.ntheader.FileHeader.PointerToSymbolTable || !numsym)
numsym = fmap->u.pe.file_header.NumberOfSymbols;
if (!fmap->u.pe.file_header.PointerToSymbolTable || !numsym)
return TRUE;
if (!(mapping = pe_map_full(fmap, NULL))) return FALSE;
isym = (const IMAGE_SYMBOL*)(mapping + fmap->u.pe.ntheader.FileHeader.PointerToSymbolTable);
isym = (const IMAGE_SYMBOL*)(mapping + fmap->u.pe.file_header.PointerToSymbolTable);
/* FIXME: no way to get strtable size */
strtable = (const char*)&isym[numsym];
sect = IMAGE_FIRST_SECTION(RtlImageNtHeader((HMODULE)mapping));
@ -441,7 +442,7 @@ static BOOL pe_load_coff_symbol_table(struct module* module)
compiland = NULL;
}
if (isym->StorageClass == IMAGE_SYM_CLASS_EXTERNAL &&
isym->SectionNumber > 0 && isym->SectionNumber <= fmap->u.pe.ntheader.FileHeader.NumberOfSections)
isym->SectionNumber > 0 && isym->SectionNumber <= fmap->u.pe.file_header.NumberOfSections)
{
if (isym->N.Name.Short)
{
@ -496,7 +497,7 @@ static BOOL pe_load_stabs(const struct process* pcs, struct module* module)
if (stab != IMAGE_NO_MAP && stabstr != IMAGE_NO_MAP)
{
ret = stabs_parse(module,
module->module.BaseOfImage - fmap->u.pe.ntheader.OptionalHeader.ImageBase,
module->module.BaseOfImage - fmap->u.pe.opt_header.ImageBase,
stab, image_get_map_size(&sect_stabs) / sizeof(struct stab_nlist), sizeof(struct stab_nlist),
stabstr, image_get_map_size(&sect_stabstr),
NULL, NULL);
@ -522,7 +523,7 @@ static BOOL pe_load_dwarf(struct module* module)
BOOL ret;
ret = dwarf2_parse(module,
module->module.BaseOfImage - fmap->u.pe.ntheader.OptionalHeader.ImageBase,
module->module.BaseOfImage - fmap->u.pe.opt_header.ImageBase,
NULL, /* FIXME: some thunks to deal with ? */
fmap);
TRACE("%s the DWARF debug info\n", ret ? "successfully loaded" : "failed to load");
@ -792,12 +793,12 @@ struct module* pe_load_native_module(struct process* pcs, const WCHAR* name,
image_unmap_file(&modfmt->u.pe_info->fmap);
modfmt->u.pe_info->fmap = builtin.fmap;
}
if (!base) base = modfmt->u.pe_info->fmap.u.pe.ntheader.OptionalHeader.ImageBase;
if (!size) size = modfmt->u.pe_info->fmap.u.pe.ntheader.OptionalHeader.SizeOfImage;
if (!base) base = modfmt->u.pe_info->fmap.u.pe.opt_header.ImageBase;
if (!size) size = modfmt->u.pe_info->fmap.u.pe.opt_header.SizeOfImage;
module = module_new(pcs, loaded_name, DMT_PE, FALSE, base, size,
modfmt->u.pe_info->fmap.u.pe.ntheader.FileHeader.TimeDateStamp,
modfmt->u.pe_info->fmap.u.pe.ntheader.OptionalHeader.CheckSum);
modfmt->u.pe_info->fmap.u.pe.file_header.TimeDateStamp,
modfmt->u.pe_info->fmap.u.pe.opt_header.CheckSum);
if (module)
{
module->real_path = builtin.path;
@ -810,7 +811,7 @@ struct module* pe_load_native_module(struct process* pcs, const WCHAR* name,
module->module.SymType = SymDeferred;
else
pe_load_debug_info(pcs, module);
module->reloc_delta = base - modfmt->u.pe_info->fmap.u.pe.ntheader.OptionalHeader.ImageBase;
module->reloc_delta = base - modfmt->u.pe_info->fmap.u.pe.opt_header.ImageBase;
}
else
{