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authorH.J. Lu <hjl.tools@gmail.com>2017-02-02 13:14:43 -0800
committerH.J. Lu <hjl.tools@gmail.com>2017-02-02 13:14:59 -0800
commit6fab532b4781b0bcb554fd5c2f2e6d5448343aff (patch)
tree702560c26b0818d6b0a92cb5d04dbaa60a9248df /sysdeps/i386/dl-machine.h
parented8d5ffd0a14e84298a15ae2ec9b799010166b28 (diff)
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Allow IFUNC relocation against unrelocated shared library
IFUNC relocation against definition in unrelocated shared library will lead to segfault when the IFUNC function is called. This patch allows such IFUNC relocations with a warning. This isn't a real fix for https://sourceware.org/bugzilla/show_bug.cgi?id=21041 It simply allows the program to load. The program will segfault when longjmp is called. * sysdeps/i386/dl-machine.h (elf_machine_rel): Replace _dl_fatal_printf with _dl_error_printf for IFUNC relocation against unrelocated shared library. * sysdeps/x86_64/dl-machine.h (elf_machine_rela): Likewise.
Diffstat (limited to 'sysdeps/i386/dl-machine.h')
-rw-r--r--sysdeps/i386/dl-machine.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/sysdeps/i386/dl-machine.h b/sysdeps/i386/dl-machine.h
index 6eca69d567..99a72f68f4 100644
--- a/sysdeps/i386/dl-machine.h
+++ b/sysdeps/i386/dl-machine.h
@@ -329,7 +329,7 @@ elf_machine_rel (struct link_map *map, const Elf32_Rel *reloc,
{
const char *strtab
= (const char *) D_PTR (map, l_info[DT_STRTAB]);
- _dl_fatal_printf ("\
+ _dl_error_printf ("\
%s: Relink `%s' with `%s' for IFUNC symbol `%s'\n",
RTLD_PROGNAME, map->l_name,
sym_map->l_name,