Author: kib
Date: Thu Mar 29 10:32:34 2012
New Revision: 233655
URL: http://svn.freebsd.org/changeset/base/233655
Log:
Import DragonFly BSD commit
From: Sascha Wildner <s...@online.de>
Date: Fri, 2 Mar 2012 09:15:56 +0000 (+0100)
Subject: rtld: Add a special case in do_dlsym() for TLS stored symbols.
X-Git-Url:
http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff_plain/1388aaafe730c85693936aaf9bc6d83fc2d981be?hp=bca4412595a8979ab9f1bf36068c806ce88a667a
rtld: Add a special case in do_dlsym() for TLS stored symbols.
Submitted-by: Markus Pfeiffer <markus.pfeif...@morphism.de>
Discussed with: kan
MFC after: 1 week
Modified:
head/libexec/rtld-elf/rtld.c
Modified: head/libexec/rtld-elf/rtld.c
==============================================================================
--- head/libexec/rtld-elf/rtld.c Thu Mar 29 09:19:00 2012
(r233654)
+++ head/libexec/rtld-elf/rtld.c Thu Mar 29 10:32:34 2012
(r233655)
@@ -2618,6 +2618,7 @@ do_dlsym(void *handle, const char *name,
const Elf_Sym *def;
SymLook req;
RtldLockState lockstate;
+ tls_index ti;
int res;
def = NULL;
@@ -2732,7 +2733,11 @@ do_dlsym(void *handle, const char *name,
return (make_function_pointer(def, defobj));
else if (ELF_ST_TYPE(def->st_info) == STT_GNU_IFUNC)
return (rtld_resolve_ifunc(defobj, def));
- else
+ else if (ELF_ST_TYPE(def->st_info) == STT_TLS) {
+ ti.ti_module = defobj->tlsindex;
+ ti.ti_offset = def->st_value;
+ return (__tls_get_addr(&ti));
+ } else
return (defobj->relocbase + def->st_value);
}
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