Author: kaiw
Date: Sat May 7 11:04:36 2011
New Revision: 221595
URL: http://svn.freebsd.org/changeset/base/221595
Log:
For zero-sized sections, set the `d_buf` field of the `Elf_Data`
descriptor returned by `elf_rawdata()` to NULL.
Obtained from: elftoolchain
Modified:
head/lib/libelf/elf_data.c
Modified: head/lib/libelf/elf_data.c
==============================================================================
--- head/lib/libelf/elf_data.c Sat May 7 10:44:08 2011 (r221594)
+++ head/lib/libelf/elf_data.c Sat May 7 11:04:36 2011 (r221595)
@@ -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;
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