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[WINESYNC] dbghelp: Read the Elf_Dyn struct corresponding to the target's architecture.

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Signed-off-by: Zebediah Figura <zfigura@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>

wine commit id bb53152faab705d972de3763ddd9bb3351e92460 by Zebediah Figura <zfigura@codeweavers.com>
This commit is contained in:
winesync 2020-09-11 13:04:53 +02:00 committed by Jérôme Gardou
parent 48c551a237
commit dd5baf8750
3 changed files with 44 additions and 19 deletions
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59
dll/win32/dbghelp/elf_module.c
View file

@ -1270,29 +1270,56 @@ static BOOL elf_load_file_from_fmap(struct process* pcs, const WCHAR* filename,
if (elf_find_section(fmap, ".dynamic", SHT_DYNAMIC, &ism)) if (elf_find_section(fmap, ".dynamic", SHT_DYNAMIC, &ism))
{ {
Elf_Dyn dyn;
char* ptr = (char*)(ULONG_PTR)fmap->u.elf.sect[ism.sidx].shdr.sh_addr; char* ptr = (char*)(ULONG_PTR)fmap->u.elf.sect[ism.sidx].shdr.sh_addr;
unsigned long len; unsigned long len;
if (load_offset) ptr += load_offset - fmap->u.elf.elf_start; if (load_offset) ptr += load_offset - fmap->u.elf.elf_start;
do if (fmap->addr_size == 32)
{ {
if (!ReadProcessMemory(pcs->handle, ptr, &dyn, sizeof(dyn), &len) || Elf32_Dyn dyn;
len != sizeof(dyn))
return ret; do
if (dyn.d_tag == DT_DEBUG)
{ {
elf_info->dbg_hdr_addr = dyn.d_un.d_ptr; if (!ReadProcessMemory(pcs->handle, ptr, &dyn, sizeof(dyn), &len) ||
if (load_offset == 0 && dyn_addr == 0) /* likely the case */ len != sizeof(dyn))
/* Assume this module (the Wine loader) has been loaded at its preferred address */ return ret;
dyn_addr = ism.fmap->u.elf.sect[ism.sidx].shdr.sh_addr; if (dyn.d_tag == DT_DEBUG)
break; {
} elf_info->dbg_hdr_addr = dyn.d_un.d_ptr;
ptr += sizeof(dyn); if (load_offset == 0 && dyn_addr == 0) /* likely the case */
} while (dyn.d_tag != DT_NULL); /* Assume this module (the Wine loader) has been
if (dyn.d_tag == DT_NULL) return ret; * loaded at its preferred address */
} dyn_addr = ism.fmap->u.elf.sect[ism.sidx].shdr.sh_addr;
break;
}
ptr += sizeof(dyn);
} while (dyn.d_tag != DT_NULL);
if (dyn.d_tag == DT_NULL) return ret;
}
else
{
Elf64_Dyn dyn;
do
{
if (!ReadProcessMemory(pcs->handle, ptr, &dyn, sizeof(dyn), &len) ||
len != sizeof(dyn))
return ret;
if (dyn.d_tag == DT_DEBUG)
{
elf_info->dbg_hdr_addr = dyn.d_un.d_ptr;
if (load_offset == 0 && dyn_addr == 0) /* likely the case */
/* Assume this module (the Wine loader) has been
* loaded at its preferred address */
dyn_addr = ism.fmap->u.elf.sect[ism.sidx].shdr.sh_addr;
break;
}
ptr += sizeof(dyn);
} while (dyn.d_tag != DT_NULL);
if (dyn.d_tag == DT_NULL) return ret;
}
}
elf_end_find(fmap); elf_end_find(fmap);
} }

2
dll/win32/dbghelp/image_private.h
View file

@ -61,11 +61,9 @@ typedef struct section macho_section;
#if defined(__ELF__) && !defined(DBGHELP_STATIC_LIB) #if defined(__ELF__) && !defined(DBGHELP_STATIC_LIB)
#ifdef _WIN64 #ifdef _WIN64
#define Elf_Dyn Elf64_Dyn
#define Elf_Sym Elf64_Sym #define Elf_Sym Elf64_Sym
#define Elf_auxv_t Elf64_auxv_t #define Elf_auxv_t Elf64_auxv_t
#else #else
#define Elf_Dyn Elf32_Dyn
#define Elf_Sym Elf32_Sym #define Elf_Sym Elf32_Sym
#define Elf_auxv_t Elf32_auxv_t #define Elf_auxv_t Elf32_auxv_t
#endif #endif

2
sdk/tools/winesync/dbghelp.cfg
View file

@ -3,4 +3,4 @@ directories:
files: files:
include/dbghelp.h: sdk/include/psdk/dbghelp.h include/dbghelp.h: sdk/include/psdk/dbghelp.h
tags: tags:
wine: bd620ffb443eaa2dba997dc5597cb37c44d757b7 wine: bb53152faab705d972de3763ddd9bb3351e92460