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* readelf.c (process_file_header): Print extended e_shnum and

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e_shdtrndx values.  Set elf_header values for same.
	(get_32bit_section_headers): Add "num" arg to read "num" headers.
	(get_64bit_section_headers): Likewise.
	(process_section_headers): Update calls.
	(get_file_header): Call get_32bit_section_headers or 64bit variant.
This commit is contained in:
Alan Modra 2001-12-11 05:38:49 +00:00
parent 5732c11485
commit 560f3c1c22
2 changed files with 50 additions and 16 deletions
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9
binutils/ChangeLog
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@ -1,3 +1,12 @@
2001-12-11 Alan Modra <amodra@bigpond.net.au>
* readelf.c (process_file_header): Print extended e_shnum and
e_shdtrndx values. Set elf_header values for same.
(get_32bit_section_headers): Add "num" arg to read "num" headers.
(get_64bit_section_headers): Likewise.
(process_section_headers): Update calls.
(get_file_header): Call get_32bit_section_headers or 64bit variant.
2001-12-10 Jakub Jelinek <jakub@redhat.com>
* objcopy.c (setup_section): Copy entsize.

57
binutils/readelf.c
View File

@ -197,8 +197,8 @@ static int process_file PARAMS ((char *));
static int process_relocs PARAMS ((FILE *));
static int process_version_sections PARAMS ((FILE *));
static char * get_ver_flags PARAMS ((unsigned int));
static int get_32bit_section_headers PARAMS ((FILE *));
static int get_64bit_section_headers PARAMS ((FILE *));
static int get_32bit_section_headers PARAMS ((FILE *, unsigned int));
static int get_64bit_section_headers PARAMS ((FILE *, unsigned int));
static int get_32bit_program_headers PARAMS ((FILE *, Elf_Internal_Phdr *));
static int get_64bit_program_headers PARAMS ((FILE *, Elf_Internal_Phdr *));
static int get_file_header PARAMS ((FILE *));
@ -2442,10 +2442,26 @@ process_file_header ()
(long) elf_header.e_phnum);
printf (_(" Size of section headers: %ld (bytes)\n"),
(long) elf_header.e_shentsize);
printf (_(" Number of section headers: %ld\n"),
printf (_(" Number of section headers: %ld"),
(long) elf_header.e_shnum);
printf (_(" Section header string table index: %ld\n"),
if (section_headers != NULL && elf_header.e_shnum == 0)
printf (" (%ld)", (long) section_headers[0].sh_size);
putc ('\n', stdout);
printf (_(" Section header string table index: %ld"),
(long) elf_header.e_shstrndx);
if (section_headers != NULL && elf_header.e_shstrndx == SHN_XINDEX)
printf (" (%ld)", (long) section_headers[0].sh_link);
putc ('\n', stdout);
}
if (section_headers != NULL)
{
if (elf_header.e_shnum == 0)
elf_header.e_shnum = section_headers[0].sh_size;
if (elf_header.e_shstrndx == SHN_XINDEX)
elf_header.e_shstrndx = section_headers[0].sh_link;
free (section_headers);
section_headers = NULL;
}
return 1;
@ -2760,8 +2776,9 @@ process_program_headers (file)
static int
get_32bit_section_headers (file)
get_32bit_section_headers (file, num)
FILE * file;
unsigned int num;
{
Elf32_External_Shdr * shdrs;
Elf32_Internal_Shdr * internal;
@ -2769,13 +2786,13 @@ get_32bit_section_headers (file)
shdrs = ((Elf32_External_Shdr *)
get_data (NULL, file, elf_header.e_shoff,
elf_header.e_shentsize * elf_header.e_shnum,
elf_header.e_shentsize * num,
_("section headers")));
if (!shdrs)
return 0;
section_headers = (Elf_Internal_Shdr *) malloc
(elf_header.e_shnum * sizeof (Elf_Internal_Shdr));
section_headers = ((Elf_Internal_Shdr *)
malloc (num * sizeof (Elf_Internal_Shdr)));
if (section_headers == NULL)
{
@ -2784,7 +2801,7 @@ get_32bit_section_headers (file)
}
for (i = 0, internal = section_headers;
i < elf_header.e_shnum;
i < num;
i ++, internal ++)
{
internal->sh_name = BYTE_GET (shdrs[i].sh_name);
@ -2805,8 +2822,9 @@ get_32bit_section_headers (file)
}
static int
get_64bit_section_headers (file)
get_64bit_section_headers (file, num)
FILE * file;
unsigned int num;
{
Elf64_External_Shdr * shdrs;
Elf64_Internal_Shdr * internal;
@ -2814,13 +2832,13 @@ get_64bit_section_headers (file)
shdrs = ((Elf64_External_Shdr *)
get_data (NULL, file, elf_header.e_shoff,
elf_header.e_shentsize * elf_header.e_shnum,
elf_header.e_shentsize * num,
_("section headers")));
if (!shdrs)
return 0;
section_headers = (Elf_Internal_Shdr *) malloc
(elf_header.e_shnum * sizeof (Elf_Internal_Shdr));
section_headers = ((Elf_Internal_Shdr *)
malloc (num * sizeof (Elf_Internal_Shdr)));
if (section_headers == NULL)
{
@ -2829,7 +2847,7 @@ get_64bit_section_headers (file)
}
for (i = 0, internal = section_headers;
i < elf_header.e_shnum;
i < num;
i ++, internal ++)
{
internal->sh_name = BYTE_GET (shdrs[i].sh_name);
@ -3007,10 +3025,10 @@ process_section_headers (file)
if (is_32bit_elf)
{
if (! get_32bit_section_headers (file))
if (! get_32bit_section_headers (file, elf_header.e_shnum))
return 0;
}
else if (! get_64bit_section_headers (file))
else if (! get_64bit_section_headers (file, elf_header.e_shnum))
return 0;
/* Read in the string table, so that we have names to display. */
@ -9186,6 +9204,13 @@ get_file_header (file)
elf_header.e_shstrndx = BYTE_GET (ehdr64.e_shstrndx);
}
/* There may be some extensions in the first section header. Don't
bomb if we can't read it. */
if (is_32bit_elf)
get_32bit_section_headers (file, 1);
else
get_64bit_section_headers (file, 1);
return 1;
}