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authorAlan Modra <amodra@gmail.com>2020-05-04 10:20:54 +0930
committerAlan Modra <amodra@gmail.com>2020-05-04 11:28:40 +0930
commit9c7b8e9b92696f38ff29efeeb12eb166994c0a23 (patch)
treeb213f04eac47577b58a4e28dc4b716ed4cc2223b
parentc3bf7d31de6b0c693c1c873ce3c36bc8c43ca06a (diff)
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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.
-rw-r--r--binutils/ChangeLog6
-rw-r--r--binutils/readelf.c15
2 files changed, 15 insertions, 6 deletions
diff --git a/binutils/ChangeLog b/binutils/ChangeLog
index 52082fc..7b0d1a0 100644
--- a/binutils/ChangeLog
+++ b/binutils/ChangeLog
@@ -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>
diff --git a/binutils/readelf.c b/binutils/readelf.c
index 4ceb6b2..25c2cce 100644
--- a/binutils/readelf.c
+++ b/binutils/readelf.c
@@ -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");