system/wine
system/wine
1
0
Fork 0
mirror of git://source.winehq.org/git/wine.git synced 2024-11-05 18:01:34 +00:00
Code Issues Projects Releases Packages Wiki Activity

dbghelp: Extend the ELF image management to PE modules so we get a rather uniform interface to image manipulation.

Browse source
This commit is contained in:
Eric Pouech 2010-03-18 21:30:55 +01:00 committed by Alexandre Julliard
parent 770f0d834f
commit fb169502a5
2 changed files with 359 additions and 141 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

27
dlls/dbghelp/image_private.h
View file

@ -78,6 +78,21 @@ struct elf_file_map
const char* mapped;
}* sect;
};
#endif
struct pe_file_map
{
HANDLE hMap;
IMAGE_NT_HEADERS ntheader;
unsigned full_count;
void* full_map;
struct
{
IMAGE_SECTION_HEADER shdr;
const char* mapped;
}* sect;
const char* strtable;
};
struct elf_section_map
{
@ -85,10 +100,20 @@ struct elf_section_map
long sidx;
};
struct pe_section_map
{
struct pe_file_map* fmap;
long sidx;
};
extern BOOL elf_find_section(struct elf_file_map* fmap, const char* name,
unsigned sht, struct elf_section_map* esm);
extern const char* elf_map_section(struct elf_section_map* esm);
extern void elf_unmap_section(struct elf_section_map* esm);
extern unsigned elf_get_map_size(const struct elf_section_map* esm);
#endif
extern BOOL pe_find_section(struct pe_file_map* fmap, const char* name,
struct pe_section_map* psm);
extern const char* pe_map_section(struct pe_section_map* psm);
extern void pe_unmap_section(struct pe_section_map* psm);
extern unsigned pe_get_map_size(const struct pe_section_map* psm);

473
dlls/dbghelp/pe_module.c
View file

@ -30,11 +30,212 @@
#include <assert.h>
#include "dbghelp_private.h"
#include "image_private.h"
#include "winternl.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(dbghelp);
static void* pe_map_full(struct pe_file_map* fmap, IMAGE_NT_HEADERS** nth)
{
if (!fmap->full_map)
{
fmap->full_map = MapViewOfFile(fmap->hMap, FILE_MAP_READ, 0, 0, 0);
}
if (fmap->full_map)
{
if (nth) *nth = RtlImageNtHeader(fmap->full_map);
fmap->full_count++;
return fmap->full_map;
}
return IMAGE_NO_MAP;
}
static void pe_unmap_full(struct pe_file_map* fmap)
{
if (fmap->full_count && !--fmap->full_count)
{
UnmapViewOfFile(fmap->full_map);
fmap->full_map = NULL;
}
}
/******************************************************************
* pe_map_section
*
* Maps a single section into memory from an PE file
*/
const char* pe_map_section(struct pe_section_map* psm)
{
void* mapping;
if (psm->sidx >= 0 && psm->sidx < psm->fmap->ntheader.FileHeader.NumberOfSections &&
psm->fmap->sect[psm->sidx].mapped == IMAGE_NO_MAP)
{
IMAGE_NT_HEADERS* nth;
/* FIXME: that's rather drastic, but that will do for now
* that's ok if the full file map exists, but we could be less agressive otherwise and
* only map the relevant section
*/
if ((mapping = pe_map_full(psm->fmap, &nth)))
{
psm->fmap->sect[psm->sidx].mapped = RtlImageRvaToVa(nth, mapping,
psm->fmap->sect[psm->sidx].shdr.VirtualAddress,
NULL);
return psm->fmap->sect[psm->sidx].mapped;
}
}
return IMAGE_NO_MAP;
}
/******************************************************************
* pe_find_section
*
* Finds a section by name (and type) into memory from an PE file
* or its alternate if any
*/
BOOL pe_find_section(struct pe_file_map* fmap, const char* name,
struct pe_section_map* psm)
{
const char* sectname;
unsigned i;
char tmp[IMAGE_SIZEOF_SHORT_NAME + 1];
for (i = 0; i < fmap->ntheader.FileHeader.NumberOfSections; i++)
{
sectname = (const char*)fmap->sect[i].shdr.Name;
/* long section names start with a '/' (at least on MinGW32) */
if (sectname[0] == '/' && fmap->strtable)
sectname = fmap->strtable + atoi(sectname + 1);
else
{
/* the section name may not be null terminated */
sectname = memcpy(tmp, sectname, IMAGE_SIZEOF_SHORT_NAME);
tmp[IMAGE_SIZEOF_SHORT_NAME] = '\0';
}
if (!strcasecmp(sectname, name))
{
psm->fmap = fmap;
psm->sidx = i;
return TRUE;
}
}
psm->fmap = NULL;
psm->sidx = -1;
return FALSE;
}
/******************************************************************
* pe_unmap_section
*
* Unmaps a single section from memory
*/
void pe_unmap_section(struct pe_section_map* psm)
{
if (psm->sidx >= 0 && psm->sidx < psm->fmap->ntheader.FileHeader.NumberOfSections &&
psm->fmap->sect[psm->sidx].mapped != IMAGE_NO_MAP)
{
pe_unmap_full(psm->fmap);
psm->fmap->sect[psm->sidx].mapped = IMAGE_NO_MAP;
}
}
/******************************************************************
* pe_get_map_size
*
* Get the size of an PE section
*/
unsigned pe_get_map_size(const struct pe_section_map* psm)
{
if (psm->sidx < 0 || psm->sidx >= psm->fmap->ntheader.FileHeader.NumberOfSections)
return 0;
return psm->fmap->sect[psm->sidx].shdr.SizeOfRawData;
}
/******************************************************************
* pe_map_file
*
* Maps an PE file into memory (and checks it's a real PE file)
*/
static BOOL pe_map_file(HANDLE file, struct pe_file_map* fmap, enum module_type mt)
{
void* mapping;
fmap->hMap = CreateFileMappingW(file, NULL, PAGE_READONLY, 0, 0, NULL);
if (fmap->hMap == 0) return FALSE;
fmap->full_count = 0;
fmap->full_map = NULL;
if (!(mapping = pe_map_full(fmap, NULL))) goto error;
switch (mt)
{
case DMT_PE:
{
IMAGE_NT_HEADERS* nthdr;
IMAGE_SECTION_HEADER* section;
unsigned i;
if (!(nthdr = RtlImageNtHeader(mapping))) goto error;
memcpy(&fmap->ntheader, nthdr, sizeof(fmap->ntheader));
section = (IMAGE_SECTION_HEADER*)
((char*)&nthdr->OptionalHeader + nthdr->FileHeader.SizeOfOptionalHeader);
fmap->sect = HeapAlloc(GetProcessHeap(), 0,
nthdr->FileHeader.NumberOfSections * sizeof(fmap->sect[0]));
if (!fmap->sect) goto error;
for (i = 0; i < nthdr->FileHeader.NumberOfSections; i++)
{
memcpy(&fmap->sect[i].shdr, section + i, sizeof(IMAGE_SECTION_HEADER));
fmap->sect[i].mapped = IMAGE_NO_MAP;
}
if (nthdr->FileHeader.PointerToSymbolTable && nthdr->FileHeader.NumberOfSymbols)
{
/* FIXME ugly: should rather map the relevant content instead of copying it */
const char* src = (const char*)mapping +
nthdr->FileHeader.PointerToSymbolTable +
nthdr->FileHeader.NumberOfSymbols * sizeof(IMAGE_SYMBOL);
char* dst;
DWORD sz = *(DWORD*)src;
if ((dst = HeapAlloc(GetProcessHeap(), 0, sz)))
memcpy(dst, src, sz);
fmap->strtable = dst;
}
else fmap->strtable = NULL;
}
break;
default: assert(0); goto error;
}
pe_unmap_full(fmap);
return TRUE;
error:
pe_unmap_full(fmap);
CloseHandle(fmap->hMap);
return FALSE;
}
/******************************************************************
* pe_unmap_file
*
* Unmaps an PE file from memory (previously mapped with pe_map_file)
*/
static void pe_unmap_file(struct pe_file_map* fmap)
{
if (fmap->hMap != 0)
{
struct pe_section_map psm;
psm.fmap = fmap;
for (psm.sidx = 0; psm.sidx < fmap->ntheader.FileHeader.NumberOfSections; psm.sidx++)
{
pe_unmap_section(&psm);
}
while (fmap->full_count) pe_unmap_full(fmap);
HeapFree(GetProcessHeap(), 0, fmap->sect);
HeapFree(GetProcessHeap(), 0, (void*)fmap->strtable); /* FIXME ugly (see pe_map_file) */
CloseHandle(fmap->hMap);
}
}
/******************************************************************
* pe_locate_with_coff_symbol_table
*
@ -43,37 +244,34 @@ WINE_DEFAULT_DEBUG_CHANNEL(dbghelp);
* Mingw32 requires this for stabs debug information as address for global variables isn't filled in
* (this is similar to what is done in elf_module.c when using the .symtab ELF section)
*/
static BOOL pe_locate_with_coff_symbol_table(struct module* module, IMAGE_NT_HEADERS* nth, void* mapping)
static BOOL pe_locate_with_coff_symbol_table(struct module* module, struct pe_file_map* fmap)
{
const IMAGE_SYMBOL* isym;
int i, numsym, naux;
const char* strtable;
char tmp[9];
const char* name;
struct hash_table_iter hti;
void* ptr;
struct symt_data* sym;
const IMAGE_SECTION_HEADER* sect;
const char* mapping;
numsym = nth->FileHeader.NumberOfSymbols;
if (!nth->FileHeader.PointerToSymbolTable || !numsym)
numsym = fmap->ntheader.FileHeader.NumberOfSymbols;
if (!fmap->ntheader.FileHeader.PointerToSymbolTable || !numsym)
return TRUE;
isym = (const IMAGE_SYMBOL*)((char*)mapping + nth->FileHeader.PointerToSymbolTable);
/* FIXME: no way to get strtable size */
strtable = (const char*)&isym[numsym];
sect = IMAGE_FIRST_SECTION(nth);
if (!(mapping = pe_map_full(fmap, NULL))) return FALSE;
isym = (const IMAGE_SYMBOL*)(mapping + fmap->ntheader.FileHeader.PointerToSymbolTable);
for (i = 0; i < numsym; i+= naux, isym += naux)
{
if (isym->StorageClass == IMAGE_SYM_CLASS_EXTERNAL &&
isym->SectionNumber > 0 && isym->SectionNumber <= nth->FileHeader.NumberOfSections)
isym->SectionNumber > 0 && isym->SectionNumber <= fmap->ntheader.FileHeader.NumberOfSections)
{
if (isym->N.Name.Short)
{
name = memcpy(tmp, isym->N.ShortName, 8);
tmp[8] = '\0';
}
else name = strtable + isym->N.Name.Long;
else name = fmap->strtable + isym->N.Name.Long;
if (name[0] == '_') name++;
hash_table_iter_init(&module->ht_symbols, &hti, name);
while ((ptr = hash_table_iter_up(&hti)))
@ -86,15 +284,17 @@ static BOOL pe_locate_with_coff_symbol_table(struct module* module, IMAGE_NT_HEA
TRACE("Changing absolute address for %d.%s: %lx -> %s\n",
isym->SectionNumber, name, sym->u.var.offset,
wine_dbgstr_longlong(module->module.BaseOfImage +
sect[isym->SectionNumber - 1].VirtualAddress + isym->Value));
fmap->sect[isym->SectionNumber - 1].shdr.VirtualAddress +
isym->Value));
sym->u.var.offset = module->module.BaseOfImage +
sect[isym->SectionNumber - 1].VirtualAddress + isym->Value;
fmap->sect[isym->SectionNumber - 1].shdr.VirtualAddress + isym->Value;
break;
}
}
}
naux = isym->NumberOfAuxSymbols + 1;
}
pe_unmap_full(fmap);
return TRUE;
}
@ -103,7 +303,7 @@ static BOOL pe_locate_with_coff_symbol_table(struct module* module, IMAGE_NT_HEA
*
* Load public symbols out of the COFF symbol table (if any).
*/
static BOOL pe_load_coff_symbol_table(struct module* module, IMAGE_NT_HEADERS* nth, void* mapping)
static BOOL pe_load_coff_symbol_table(struct module* module, struct pe_file_map* fmap)
{
const IMAGE_SYMBOL* isym;
int i, numsym, naux;
@ -113,14 +313,16 @@ static BOOL pe_load_coff_symbol_table(struct module* module, IMAGE_NT_HEADERS* n
const char* lastfilename = NULL;
struct symt_compiland* compiland = NULL;
const IMAGE_SECTION_HEADER* sect;
const char* mapping;
numsym = nth->FileHeader.NumberOfSymbols;
if (!nth->FileHeader.PointerToSymbolTable || !numsym)
numsym = fmap->ntheader.FileHeader.NumberOfSymbols;
if (!fmap->ntheader.FileHeader.PointerToSymbolTable || !numsym)
return TRUE;
isym = (const IMAGE_SYMBOL*)((char*)mapping + nth->FileHeader.PointerToSymbolTable);
if (!(mapping = pe_map_full(fmap, NULL))) return FALSE;
isym = (const IMAGE_SYMBOL*)((char*)mapping + fmap->ntheader.FileHeader.PointerToSymbolTable);
/* FIXME: no way to get strtable size */
strtable = (const char*)&isym[numsym];
sect = IMAGE_FIRST_SECTION(nth);
sect = IMAGE_FIRST_SECTION(&fmap->ntheader);
for (i = 0; i < numsym; i+= naux, isym += naux)
{
@ -130,7 +332,7 @@ static BOOL pe_load_coff_symbol_table(struct module* module, IMAGE_NT_HEADERS* n
compiland = NULL;
}
if (isym->StorageClass == IMAGE_SYM_CLASS_EXTERNAL &&
isym->SectionNumber > 0 && isym->SectionNumber <= nth->FileHeader.NumberOfSections)
isym->SectionNumber > 0 && isym->SectionNumber <= fmap->ntheader.FileHeader.NumberOfSections)
{
if (isym->N.Name.Short)
{
@ -155,6 +357,7 @@ static BOOL pe_load_coff_symbol_table(struct module* module, IMAGE_NT_HEADERS* n
module->module.TypeInfo = FALSE;
module->module.SourceIndexed = FALSE;
module->module.Publics = TRUE;
pe_unmap_full(fmap);
return TRUE;
}
@ -176,30 +379,29 @@ static inline DWORD pe_get_sect_size(IMAGE_SECTION_HEADER* sect)
* look for stabs information in PE header (it's how the mingw compiler provides
* its debugging information)
*/
static BOOL pe_load_stabs(const struct process* pcs, struct module* module,
void* mapping, IMAGE_NT_HEADERS* nth)
static BOOL pe_load_stabs(const struct process* pcs, struct module* module, struct pe_file_map* fmap)
{
IMAGE_SECTION_HEADER* section;
IMAGE_SECTION_HEADER* sect_stabs = NULL;
IMAGE_SECTION_HEADER* sect_stabstr = NULL;
int i;
struct pe_section_map sect_stabs, sect_stabstr;
BOOL ret = FALSE;
section = (IMAGE_SECTION_HEADER*)
((char*)&nth->OptionalHeader + nth->FileHeader.SizeOfOptionalHeader);
for (i = 0; i < nth->FileHeader.NumberOfSections; i++, section++)
if (pe_find_section(fmap, ".stab", &sect_stabs) && pe_find_section(fmap, ".stabstr", &sect_stabstr))
{
if (!strcasecmp((const char*)section->Name, ".stab")) sect_stabs = section;
else if (!strncasecmp((const char*)section->Name, ".stabstr", 8)) sect_stabstr = section;
}
if (sect_stabs && sect_stabstr)
{
ret = stabs_parse(module,
module->module.BaseOfImage - nth->OptionalHeader.ImageBase,
pe_get_sect(nth, mapping, sect_stabs), pe_get_sect_size(sect_stabs),
pe_get_sect(nth, mapping, sect_stabstr), pe_get_sect_size(sect_stabstr),
NULL, NULL);
if (ret) pe_locate_with_coff_symbol_table(module, nth, mapping);
const char* stab;
const char* stabstr;
stab = pe_map_section(&sect_stabs);
stabstr = pe_map_section(&sect_stabstr);
if (stab != IMAGE_NO_MAP && stabstr != IMAGE_NO_MAP)
{
ret = stabs_parse(module,
module->module.BaseOfImage - fmap->ntheader.OptionalHeader.ImageBase,
stab, pe_get_map_size(&sect_stabs),
stabstr, pe_get_map_size(&sect_stabstr),
NULL, NULL);
}
pe_unmap_section(&sect_stabs);
pe_unmap_section(&sect_stabstr);
if (ret) pe_locate_with_coff_symbol_table(module, fmap);
}
TRACE("%s the STABS debug info\n", ret ? "successfully loaded" : "failed to load");
@ -213,49 +415,46 @@ static BOOL pe_load_stabs(const struct process* pcs, struct module* module,
* to provide its debugging information)
*/
static BOOL pe_load_dwarf(const struct process* pcs, struct module* module,
void* mapping, IMAGE_NT_HEADERS* nth)
struct pe_file_map* fmap)
{
IMAGE_SECTION_HEADER* section;
IMAGE_SECTION_HEADER* sect_debuginfo = NULL;
IMAGE_SECTION_HEADER* sect_debugstr = NULL;
IMAGE_SECTION_HEADER* sect_debugabbrev = NULL;
IMAGE_SECTION_HEADER* sect_debugline = NULL;
IMAGE_SECTION_HEADER* sect_debugloc = NULL;
int i;
const char* strtable;
const char* sectname;
struct pe_section_map sect_debuginfo, sect_debugstr, sect_debugabbrev, sect_debugline, sect_debugloc;
BOOL ret = FALSE;
if (nth->FileHeader.PointerToSymbolTable && nth->FileHeader.NumberOfSymbols)
/* FIXME: no way to get strtable size */
strtable = (const char*)mapping + nth->FileHeader.PointerToSymbolTable +
nth->FileHeader.NumberOfSymbols * sizeof(IMAGE_SYMBOL);
else strtable = NULL;
if (pe_find_section(fmap, ".debug_info", &sect_debuginfo))
{
const BYTE* dw2_debuginfo;
const BYTE* dw2_debugabbrev;
const BYTE* dw2_debugstr;
const BYTE* dw2_debugline;
const BYTE* dw2_debugloc;
section = (IMAGE_SECTION_HEADER*)
((char*)&nth->OptionalHeader + nth->FileHeader.SizeOfOptionalHeader);
for (i = 0; i < nth->FileHeader.NumberOfSections; i++, section++)
{
sectname = (const char*)section->Name;
/* long section names start with a '/' (at least on MinGW32) */
if (*sectname == '/' && strtable)
sectname = strtable + atoi(sectname + 1);
if (!strcasecmp(sectname, ".debug_info")) sect_debuginfo = section;
else if (!strcasecmp(sectname, ".debug_str")) sect_debugstr = section;
else if (!strcasecmp(sectname, ".debug_abbrev")) sect_debugabbrev = section;
else if (!strcasecmp(sectname, ".debug_line")) sect_debugline = section;
else if (!strcasecmp(sectname, ".debug_loc")) sect_debugloc = section;
}
if (sect_debuginfo)
{
ret = dwarf2_parse(module,
module->module.BaseOfImage - nth->OptionalHeader.ImageBase,
NULL, /* FIXME: some thunks to deal with ? */
pe_get_sect(nth, mapping, sect_debuginfo), pe_get_sect_size(sect_debuginfo),
pe_get_sect(nth, mapping, sect_debugabbrev), pe_get_sect_size(sect_debugabbrev),
pe_get_sect(nth, mapping, sect_debugstr), pe_get_sect_size(sect_debugstr),
pe_get_sect(nth, mapping, sect_debugline), pe_get_sect_size(sect_debugline),
pe_get_sect(nth, mapping, sect_debugloc), pe_get_sect_size(sect_debugloc));
pe_find_section(fmap, ".debug_str", &sect_debugstr);
pe_find_section(fmap, ".debug_abbrev", &sect_debugabbrev);
pe_find_section(fmap, ".debug_line", &sect_debugline);
pe_find_section(fmap, ".debug_loc", &sect_debugloc);
dw2_debuginfo = (const BYTE*)pe_map_section(&sect_debuginfo);
dw2_debugabbrev = (const BYTE*)pe_map_section(&sect_debugabbrev);
dw2_debugstr = (const BYTE*)pe_map_section(&sect_debugstr);
dw2_debugline = (const BYTE*)pe_map_section(&sect_debugline);
dw2_debugloc = (const BYTE*)pe_map_section(&sect_debugloc);
if (dw2_debuginfo != IMAGE_NO_MAP && dw2_debugabbrev != IMAGE_NO_MAP && dw2_debugstr != IMAGE_NO_MAP)
{
ret = dwarf2_parse(module,
module->module.BaseOfImage - fmap->ntheader.OptionalHeader.ImageBase,
NULL, /* FIXME: some thunks to deal with ? */
dw2_debuginfo, pe_get_map_size(&sect_debuginfo),
dw2_debugabbrev, pe_get_map_size(&sect_debugabbrev),
dw2_debugstr, pe_get_map_size(&sect_debugstr),
dw2_debugline, pe_get_map_size(&sect_debugline),
dw2_debugloc, pe_get_map_size(&sect_debugloc));
}
pe_unmap_section(&sect_debuginfo);
pe_unmap_section(&sect_debugabbrev);
pe_unmap_section(&sect_debugstr);
pe_unmap_section(&sect_debugline);
pe_unmap_section(&sect_debugloc);
}
TRACE("%s the DWARF debug info\n", ret ? "successfully loaded" : "failed to load");
@ -314,19 +513,20 @@ static BOOL pe_load_dbg_file(const struct process* pcs, struct module* module,
*
* Process MSC debug information in PE file.
*/
static BOOL pe_load_msc_debug_info(const struct process* pcs,
struct module* module,
void* mapping, const IMAGE_NT_HEADERS* nth)
static BOOL pe_load_msc_debug_info(const struct process* pcs, struct module* module, struct pe_file_map* fmap)
{
BOOL ret = FALSE;
const IMAGE_DATA_DIRECTORY* dir;
const IMAGE_DEBUG_DIRECTORY*dbg = NULL;
int nDbg;
void* mapping;
IMAGE_NT_HEADERS* nth;
if (!(mapping = pe_map_full(fmap, &nth))) return FALSE;
/* Read in debug directory */
dir = nth->OptionalHeader.DataDirectory + IMAGE_DIRECTORY_ENTRY_DEBUG;
nDbg = dir->Size / sizeof(IMAGE_DEBUG_DIRECTORY);
if (!nDbg) return FALSE;
if (!nDbg) goto done;
dbg = RtlImageRvaToVa(nth, mapping, dir->VirtualAddress, NULL);
@ -353,26 +553,28 @@ static BOOL pe_load_msc_debug_info(const struct process* pcs,
const IMAGE_SECTION_HEADER *sectp = (const IMAGE_SECTION_HEADER*)((const char*)&nth->OptionalHeader + nth->FileHeader.SizeOfOptionalHeader);
/* Debug info is embedded into PE module */
ret = pe_load_debug_directory(pcs, module, mapping, sectp,
nth->FileHeader.NumberOfSections, dbg, nDbg);
nth->FileHeader.NumberOfSections, dbg, nDbg);
}
done:
pe_unmap_full(fmap);
return ret;
}
/***********************************************************************
* pe_load_export_debug_info
*/
static BOOL pe_load_export_debug_info(const struct process* pcs,
struct module* module,
void* mapping, const IMAGE_NT_HEADERS* nth)
static BOOL pe_load_export_debug_info(const struct process* pcs, struct module* module, struct pe_file_map* fmap)
{
unsigned int i;
const IMAGE_EXPORT_DIRECTORY* exports;
DWORD base = module->module.BaseOfImage;
DWORD size;
IMAGE_NT_HEADERS* nth;
void* mapping;
if (dbghelp_options & SYMOPT_NO_PUBLICS) return TRUE;
if (!(mapping = pe_map_full(fmap, &nth))) return FALSE;
#if 0
/* Add start of DLL (better use the (yet unimplemented) Exe SymTag for this) */
/* FIXME: module.ModuleName isn't correctly set yet if it's passed in SymLoadModule */
@ -435,6 +637,8 @@ static BOOL pe_load_export_debug_info(const struct process* pcs,
/* no real debug info, only entry points */
if (module->module.SymType == SymDeferred)
module->module.SymType = SymExport;
pe_unmap_full(fmap);
return TRUE;
}
@ -442,40 +646,42 @@ static BOOL pe_load_export_debug_info(const struct process* pcs,
* pe_load_debug_info
*
*/
BOOL pe_load_debug_info_internal(const struct process* pcs, struct module* module,
struct pe_file_map* fmap)
{
BOOL ret = FALSE;
if (!(dbghelp_options & SYMOPT_PUBLICS_ONLY))
{
ret = pe_load_stabs(pcs, module, fmap) ||
pe_load_dwarf(pcs, module, fmap) ||
pe_load_msc_debug_info(pcs, module, fmap) ||
pe_load_coff_symbol_table(module, fmap);
/* if we still have no debug info (we could only get SymExport at this
* point), then do the SymExport except if we have an ELF container,
* in which case we'll rely on the export's on the ELF side
*/
}
/* FIXME shouldn't we check that? if (!module_get_debug(pcs, module))l */
if (pe_load_export_debug_info(pcs, module, fmap) && !ret)
ret = TRUE;
return ret;
}
BOOL pe_load_debug_info(const struct process* pcs, struct module* module)
{
BOOL ret = FALSE;
HANDLE hFile;
HANDLE hMap;
void* mapping;
IMAGE_NT_HEADERS* nth;
struct pe_file_map fmap;
hFile = CreateFileW(module->module.LoadedImageName, GENERIC_READ, FILE_SHARE_READ,
NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
if (hFile == INVALID_HANDLE_VALUE) return ret;
if ((hMap = CreateFileMappingW(hFile, NULL, PAGE_READONLY, 0, 0, NULL)) != 0)
if (hFile == INVALID_HANDLE_VALUE) return FALSE;
if (pe_map_file(hFile, &fmap, DMT_PE))
{
if ((mapping = MapViewOfFile(hMap, FILE_MAP_READ, 0, 0, 0)) != NULL)
{
nth = RtlImageNtHeader(mapping);
if (!(dbghelp_options & SYMOPT_PUBLICS_ONLY))
{
ret = pe_load_stabs(pcs, module, mapping, nth) ||
pe_load_dwarf(pcs, module, mapping, nth) ||
pe_load_msc_debug_info(pcs, module, mapping, nth) ||
pe_load_coff_symbol_table(module, nth, mapping);
/* if we still have no debug info (we could only get SymExport at this
* point), then do the SymExport except if we have an ELF container,
* in which case we'll rely on the export's on the ELF side
*/
}
/* FIXME shouldn't we check that? if (!module_get_debug(pcs, module))l */
if (pe_load_export_debug_info(pcs, module, mapping, nth) && !ret)
ret = TRUE;
UnmapViewOfFile(mapping);
}
CloseHandle(hMap);
ret = pe_load_debug_info_internal(pcs, module, &fmap);
pe_unmap_file(&fmap);
}
CloseHandle(hFile);
@ -491,13 +697,12 @@ struct module* pe_load_native_module(struct process* pcs, const WCHAR* name,
{
struct module* module = NULL;
BOOL opened = FALSE;
HANDLE hMap;
struct pe_file_map fmap;
WCHAR loaded_name[MAX_PATH];
loaded_name[0] = '\0';
if (!hFile)
{
assert(name);
if ((hFile = FindExecutableImageExW(name, pcs->search_path, loaded_name, NULL, NULL)) == NULL)
@ -508,35 +713,23 @@ struct module* pe_load_native_module(struct process* pcs, const WCHAR* name,
else if (dbghelp_options & SYMOPT_DEFERRED_LOADS)
FIXME("Trouble ahead (no module name passed in deferred mode)\n");
if ((hMap = CreateFileMappingW(hFile, NULL, PAGE_READONLY, 0, 0, NULL)) != NULL)
if (pe_map_file(hFile, &fmap, DMT_PE))
{
void* mapping;
if (!base) base = fmap.ntheader.OptionalHeader.ImageBase;
if (!size) size = fmap.ntheader.OptionalHeader.SizeOfImage;
if ((mapping = MapViewOfFile(hMap, FILE_MAP_READ, 0, 0, 0)) != NULL)
module = module_new(pcs, loaded_name, DMT_PE, FALSE, base, size,
fmap.ntheader.FileHeader.TimeDateStamp,
fmap.ntheader.OptionalHeader.CheckSum);
if (module)
{
IMAGE_NT_HEADERS* nth = RtlImageNtHeader(mapping);
if (nth)
{
if (!base) base = nth->OptionalHeader.ImageBase;
if (!size) size = nth->OptionalHeader.SizeOfImage;
module = module_new(pcs, loaded_name, DMT_PE, FALSE, base, size,
nth->FileHeader.TimeDateStamp,
nth->OptionalHeader.CheckSum);
if (module)
{
if (dbghelp_options & SYMOPT_DEFERRED_LOADS)
module->module.SymType = SymDeferred;
else
pe_load_debug_info(pcs, module);
}
else
ERR("could not load the module '%s'\n", debugstr_w(loaded_name));
}
UnmapViewOfFile(mapping);
if (dbghelp_options & SYMOPT_DEFERRED_LOADS)
module->module.SymType = SymDeferred;
else
pe_load_debug_info_internal(pcs, module, &fmap);
}
CloseHandle(hMap);
else ERR("could not load the module '%s'\n", debugstr_w(loaded_name));
pe_unmap_file(&fmap);
}
if (opened) CloseHandle(hFile);