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2006-10-29 H.J. Lu <hongjiu.lu@intel.com>

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PR binutils/3384
	* configure.in (AC_CHECK_HEADERS): Add limits.h and sys/param.h.
	* configure: Regenerated.
	* config.in: Likewise.

	* readelf.c: Include <limits.h> and <sys/param.h> for PATH_MAX.
	(program_interpreter): Allocate PATH_MAX bytes instead of 64.
	(process_program_headers): Don't assume that program interpreter
	is shorter than 64 characters.
This commit is contained in:
H.J. Lu 2006-10-29 19:07:54 +00:00
parent e2785c4472
commit f8eae8b28b
4 changed files with 43 additions and 4 deletions
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29
binutils/readelf.c
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@ -47,6 +47,25 @@
#include <stdio.h>
#include <time.h>
/* for PATH_MAX */
#ifdef HAVE_LIMITS_H
#include <limits.h>
#endif
#ifndef PATH_MAX
/* for MAXPATHLEN */
# ifdef HAVE_SYS_PARAM_H
# include <sys/param.h>
# endif
# ifndef PATH_MAX
# ifdef MAXPATHLEN
# define PATH_MAX MAXPATHLEN
# else
# define PATH_MAX 1024
# endif
# endif
#endif
#if __GNUC__ >= 2
/* Define BFD64 here, even if our default architecture is 32 bit ELF
as this will allow us to read in and parse 64bit and 32bit ELF files.
@ -135,7 +154,7 @@ static Elf_Internal_Sym *dynamic_symbols;
static Elf_Internal_Syminfo *dynamic_syminfo;
static unsigned long dynamic_syminfo_offset;
static unsigned int dynamic_syminfo_nent;
static char program_interpreter[64];
static char program_interpreter[PATH_MAX];
static bfd_vma dynamic_info[DT_JMPREL + 1];
static bfd_vma dynamic_info_DT_GNU_HASH;
static bfd_vma version_info[16];
@ -3492,8 +3511,14 @@ process_program_headers (FILE *file)
error (_("Unable to find program interpreter name\n"));
else
{
char fmt [32];
int ret = snprintf (fmt, sizeof (fmt), "%%%ds", PATH_MAX);
if (ret >= (int) sizeof (fmt) || ret < 0)
error (_("Internal error: failed to create format string to display program interpreter"));
program_interpreter[0] = 0;
fscanf (file, "%63s", program_interpreter);
fscanf (file, fmt, program_interpreter);
if (do_segments)
printf (_("\n [Requesting program interpreter: %s]"),