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authorKai Wang <kaiw@FreeBSD.org>2011-05-07 11:04:36 +0000
committerKai Wang <kaiw@FreeBSD.org>2011-05-07 11:04:36 +0000
commit08a7f479dd4fcded774045e1526f8b4941959a3c (patch)
tree032e88dcc018db73050ad071b1d733762cb027f4 /lib
parent3860fcc7f07c2d92b5e5a99d92a2cbd3081e8acf (diff)
downloadsrc-08a7f479dd4fcded774045e1526f8b4941959a3c.tar.gz
src-08a7f479dd4fcded774045e1526f8b4941959a3c.zip
For zero-sized sections, set the `d_buf` field of the `Elf_Data`
descriptor returned by `elf_rawdata()` to NULL. Obtained from: elftoolchain
Notes
Notes: svn path=/head/; revision=221595
Diffstat (limited to 'lib')
-rw-r--r--lib/libelf/elf_data.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/libelf/elf_data.c b/lib/libelf/elf_data.c
index b8c10de0ac20..c34c4ad358b2 100644
--- a/lib/libelf/elf_data.c
+++ b/lib/libelf/elf_data.c
@@ -225,7 +225,8 @@ elf_rawdata(Elf_Scn *s, Elf_Data *d)
if ((d = _libelf_allocate_data(s)) == NULL)
return (NULL);
- d->d_buf = sh_type == SHT_NOBITS ? NULL : e->e_rawfile + sh_offset;
+ d->d_buf = (sh_type == SHT_NOBITS || sh_size == 0) ? NULL :
+ e->e_rawfile + sh_offset;
d->d_off = 0;
d->d_align = sh_align;
d->d_size = sh_size;