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dbghelp: Read the Elf_auxv_t struct corresponding to the target's architecture. 

Signed-off-by: Zebediah Figura <zfigura@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Zebediah Figura 2018-06-04 16:51:32 -05:00 committed by Alexandre Julliard
parent bb53152faa
commit 51ada19ac2
2 changed files with 24 additions and 8 deletions
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30
dlls/dbghelp/elf_module.c
View File

@ -1522,7 +1522,6 @@ static BOOL elf_search_auxv(const struct process* pcs, unsigned type, unsigned l
void* addr;
void* str;
void* str_max;
Elf_auxv_t auxv;
si->SizeOfStruct = sizeof(*si);
si->MaxNameLen = MAX_SYM_NAME;
@ -1548,14 +1547,33 @@ static BOOL elf_search_auxv(const struct process* pcs, unsigned type, unsigned l
while (addr < str_max && ReadProcessMemory(pcs->handle, addr, &str, sizeof(str), NULL) && str == NULL)
addr = (void*)((DWORD_PTR)addr + sizeof(str));
while (ReadProcessMemory(pcs->handle, addr, &auxv, sizeof(auxv), NULL) && auxv.a_type != AT_NULL)
if (pcs->is_64bit)
{
if (auxv.a_type == type)
Elf64_auxv_t auxv;
while (ReadProcessMemory(pcs->handle, addr, &auxv, sizeof(auxv), NULL) && auxv.a_type != AT_NULL)
{
*val = auxv.a_un.a_val;
return TRUE;
if (auxv.a_type == type)
{
*val = auxv.a_un.a_val;
return TRUE;
}
addr = (void*)((DWORD_PTR)addr + sizeof(auxv));
}
}
else
{
Elf32_auxv_t auxv;
while (ReadProcessMemory(pcs->handle, addr, &auxv, sizeof(auxv), NULL) && auxv.a_type != AT_NULL)
{
if (auxv.a_type == type)
{
*val = auxv.a_un.a_val;
return TRUE;
}
addr = (void*)((DWORD_PTR)addr + sizeof(auxv));
}
addr = (void*)((DWORD_PTR)addr + sizeof(auxv));
}
return FALSE;

2
dlls/dbghelp/image_private.h
View File

@ -60,10 +60,8 @@ typedef struct section macho_section;
#ifdef _WIN64
#define Elf_Sym Elf64_Sym
#define Elf_auxv_t Elf64_auxv_t
#else
#define Elf_Sym Elf32_Sym
#define Elf_auxv_t Elf32_auxv_t
#endif
#else
#ifndef SHT_NULL