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Allowus to exclude a.out support from ldd and use it with arm64 as it won't

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support the a.out format.

Reviewed by:	emaste
Sponsored by:	The FreeBSD Foundation
This commit is contained in:
Andrew Turner 2015-03-18 13:59:04 +00:00
parent 667a4af397
commit e1f65999b6
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=280220
1 changed files with 10 additions and 1 deletions
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11
usr.bin/ldd/ldd.c
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@ -37,7 +37,6 @@ __FBSDID("$FreeBSD$");
#include <arpa/inet.h>
#include <a.out.h>
#include <dlfcn.h>
#include <err.h>
#include <errno.h>
@ -49,6 +48,12 @@ __FBSDID("$FreeBSD$");
#include "extern.h"
/* We don't support a.out executables on arm64 */
#ifndef __aarch64__
#include <a.out.h>
#define AOUT_SUPPORTED
#endif
/*
* 32-bit ELF data structures can only be used if the system header[s] declare
* them. There is no official macro for determining whether they are declared,
@ -274,7 +279,9 @@ static int
is_executable(const char *fname, int fd, int *is_shlib, int *type)
{
union {
#ifdef AOUT_SUPPORTED
struct exec aout;
#endif
#if __ELF_WORD_SIZE > 32 && defined(ELF32_SUPPORTED)
Elf32_Ehdr elf32;
#endif
@ -290,6 +297,7 @@ is_executable(const char *fname, int fd, int *is_shlib, int *type)
return (0);
}
#ifdef AOUT_SUPPORTED
if ((size_t)n >= sizeof(hdr.aout) && !N_BADMAG(hdr.aout)) {
/* a.out file */
if ((N_GETFLAG(hdr.aout) & EX_DPMASK) != EX_DYNAMIC
@ -303,6 +311,7 @@ is_executable(const char *fname, int fd, int *is_shlib, int *type)
*type = TYPE_AOUT;
return (1);
}
#endif
#if __ELF_WORD_SIZE > 32 && defined(ELF32_SUPPORTED)
if ((size_t)n >= sizeof(hdr.elf32) && IS_ELF(hdr.elf32) &&