Author: kib
Date: Sat Oct 15 12:02:55 2011
New Revision: 226382
URL: http://svn.freebsd.org/changeset/base/226382
Log:
MFC r226155:
Set TLS block for the main thread after the relocations are processed.
Modified:
stable/8/libexec/rtld-elf/rtld.c
Directory Properties:
stable/8/libexec/rtld-elf/ (props changed)
Modified: stable/8/libexec/rtld-elf/rtld.c
==============================================================================
--- stable/8/libexec/rtld-elf/rtld.c Sat Oct 15 09:29:43 2011
(r226381)
+++ stable/8/libexec/rtld-elf/rtld.c Sat Oct 15 12:02:55 2011
(r226382)
@@ -508,8 +508,12 @@ _rtld(Elf_Addr *sp, func_ptr_type *exit_
exit (0);
}
- /* setup TLS for main thread */
- dbg("initializing initial thread local storage");
+ /*
+ * Processing tls relocations requires having the tls offsets
+ * initialized. Prepare offsets before starting initial
+ * relocation processing.
+ */
+ dbg("initializing initial thread local storage offsets");
STAILQ_FOREACH(entry, &list_main, link) {
/*
* Allocate all the initial objects out of the static TLS
@@ -517,7 +521,6 @@ _rtld(Elf_Addr *sp, func_ptr_type *exit_
*/
allocate_tls_offset(entry->obj);
}
- allocate_initial_tls(obj_list);
if (relocate_objects(obj_main,
ld_bind_now != NULL && *ld_bind_now != '\0', &obj_rtld) == -1)
@@ -532,6 +535,14 @@ _rtld(Elf_Addr *sp, func_ptr_type *exit_
exit (0);
}
+ /*
+ * Setup TLS for main thread. This must be done after the
+ * relocations are processed, since tls initialization section
+ * might be the subject for relocations.
+ */
+ dbg("initializing initial thread local storage");
+ allocate_initial_tls(obj_list);
+
dbg("initializing key program variables");
set_program_var("__progname", argv[0] != NULL ? basename(argv[0]) : "");
set_program_var("environ", env);
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