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authorUlrich Drepper <drepper@redhat.com>2003-09-30 20:37:46 +0000
committerUlrich Drepper <drepper@redhat.com>2003-09-30 20:37:46 +0000
commitf556dbfa418a6898f3be215586ee73411f50afa8 (patch)
treedcb46bbc8dc36fa82e64c91aa89d034cc2891864 /elf
parent94ae6d75adab2808237d284f9f5a927cf2845ec0 (diff)
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Update.
2003-09-30 Ulrich Drepper <drepper@redhat.com> * elf/rtld.c (dl_main): Also set l_map_start. 2003-09-30 Daniel Jacobowitz <drow@mvista.com> * elf/rtld.c (dl_main): Set l_libname and l_name for the sysinfo DSO to work around kernel problem.
Diffstat (limited to 'elf')
-rw-r--r--elf/rtld.c16
1 files changed, 13 insertions, 3 deletions
diff --git a/elf/rtld.c b/elf/rtld.c
index d57d8838ac..69238399b5 100644
--- a/elf/rtld.c
+++ b/elf/rtld.c
@@ -1153,7 +1153,7 @@ of this helper program; chances are you did not intend to run this program.\n\
struct link_map *l = _dl_new_object ((char *) "", "", lt_library, NULL);
if (__builtin_expect (l != NULL, 1))
{
- static ElfW(Dyn) dyn_temp [DL_RO_DYN_TEMP_CNT];
+ static ElfW(Dyn) dyn_temp[DL_RO_DYN_TEMP_CNT];
l->l_phdr = ((const void *) GL(dl_sysinfo_dso)
+ GL(dl_sysinfo_dso)->e_phoff);
@@ -1173,12 +1173,22 @@ of this helper program; chances are you did not intend to run this program.\n\
elf_get_dynamic_info (l, dyn_temp);
_dl_setup_hash (l);
l->l_relocated = 1;
+ l->l_map_start = GL(dl_sysinfo_dso);
/* Now that we have the info handy, use the DSO image's soname
so this object can be looked up by name. */
if (l->l_info[DT_SONAME] != NULL)
- l->l_libname->name = ((char *) D_PTR (l, l_info[DT_STRTAB])
- + l->l_info[DT_SONAME]->d_un.d_val);
+ {
+ /* Work around a kernel problem. The kernel cannot handle
+ addresses in the vsyscall DSO pages in writev() calls. */
+ const char *dsoname = ((char *) D_PTR (l, l_info[DT_STRTAB])
+ + l->l_info[DT_SONAME]->d_un.d_val);
+ size_t len = strlen (dsoname);
+ l->l_name = (char *) malloc (len);
+ if (l->l_name == NULL)
+ _dl_fatal_printf ("out of memory\n");
+ l->l_libname->name = memcpy (l->l_name, dsoname, len);
+ }
}
}
#endif