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readelf: nds32 specific decoding 

* readelf.c (process_nds32_specific): Check size of .nds32_e_flags
	section.  Don't assume endian of host matches nds32 target.  Free
	buffer.
This commit is contained in:
Alan Modra 2020-05-04 10:20:54 +09:30
parent c3bf7d31de
commit 9c7b8e9b92
2 changed files with 15 additions and 6 deletions
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6
binutils/ChangeLog
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@ -1,3 +1,9 @@
2020-05-04 Alan Modra <amodra@gmail.com>
* readelf.c (process_nds32_specific): Check size of .nds32_e_flags
section. Don't assume endian of host matches nds32 target. Free
buffer.
2020-05-01 Alan Modra <amodra@gmail.com>
Haim Shimonovich <Haim.Shimonovich@ceva-dsp.com>

15
binutils/readelf.c
View File

@ -17481,18 +17481,21 @@ process_nds32_specific (Filedata * filedata)
Elf_Internal_Shdr *sect = NULL;
sect = find_section (filedata, ".nds32_e_flags");
if (sect != NULL)
if (sect != NULL && sect->sh_size >= 4)
{
unsigned int *flag;
unsigned char *buf;
unsigned int flag;
printf ("\nNDS32 elf flags section:\n");
flag = get_data (NULL, filedata, sect->sh_offset, 1,
sect->sh_size, _("NDS32 elf flags section"));
buf = get_data (NULL, filedata, sect->sh_offset, 1, 4,
_("NDS32 elf flags section"));
if (! flag)
if (buf == NULL)
return FALSE;
switch ((*flag) & 0x3)
flag = byte_get (buf, 4);
free (buf);
switch (flag & 0x3)
{
case 0:
printf ("(VEC_SIZE):\tNo entry.\n");