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dbghelp: Simplify the way we find the debug header.

This commit is contained in:
Eric Pouech 2006-12-05 22:02:05 +01:00 committed by Alexandre Julliard
parent ec8393d3d5
commit 08712bc3a9
1 changed files with 8 additions and 30 deletions
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38
dlls/dbghelp/elf_module.c
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@ -1029,32 +1029,6 @@ BOOL elf_fetch_file_info(const char* name, DWORD* base,
return TRUE;
}
/******************************************************************
* is_dt_flag_valid
* returns true iff the section tag is valid
*/
static unsigned is_dt_flag_valid(unsigned d_tag)
{
#ifndef DT_PROCNUM
#define DT_PROCNUM 0
#endif
#ifndef DT_EXTRANUM
#define DT_EXTRANUM 0
#endif
#ifndef DT_GNU_HASH
#define DT_GNU_HASH 0x6ffffef5
#endif
return (d_tag >= 0 && d_tag < DT_NUM + DT_PROCNUM + DT_EXTRANUM)
|| (d_tag == DT_GNU_HASH)
#if defined(DT_LOOS) && defined(DT_HIOS)
|| (d_tag >= DT_LOOS && d_tag < DT_HIOS)
#endif
#if defined(DT_LOPROC) && defined(DT_HIPROC)
|| (d_tag >= DT_LOPROC && d_tag < DT_HIPROC)
#endif
;
}
/******************************************************************
* elf_load_file
*
@ -1107,12 +1081,16 @@ static BOOL elf_load_file(struct process* pcs, const char* filename,
do
{
if (!ReadProcessMemory(pcs->handle, ptr, &dyn, sizeof(dyn), &len) ||
len != sizeof(dyn) || !is_dt_flag_valid(dyn.d_tag))
dyn.d_tag = DT_NULL;
len != sizeof(dyn))
goto leave;
if (dyn.d_tag == DT_DEBUG)
{
elf_info->dbg_hdr_addr = dyn.d_un.d_ptr;
break;
}
ptr += sizeof(dyn);
} while (dyn.d_tag != DT_DEBUG && dyn.d_tag != DT_NULL);
} while (dyn.d_tag != DT_NULL);
if (dyn.d_tag == DT_NULL) goto leave;
elf_info->dbg_hdr_addr = dyn.d_un.d_ptr;
}
}
elf_unmap_section(&fmap, fmap.elfhdr.e_shstrndx);