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Diffstat (limited to 'csu')
-rw-r--r--csu/libc-tls.c27
1 files changed, 12 insertions, 15 deletions
diff --git a/csu/libc-tls.c b/csu/libc-tls.c
index 5aec47d..c18b888 100644
--- a/csu/libc-tls.c
+++ b/csu/libc-tls.c
@@ -42,9 +42,6 @@ static struct
struct dtv_slotinfo info[2 + TLS_SLOTINFO_SURPLUS];
} static_slotinfo;
-/* Fake link map for the application. */
-static struct link_map static_map;
-
/* Highest dtv index currently needed. */
size_t _dl_tls_max_dtv_idx;
@@ -162,14 +159,16 @@ __libc_setup_tls (size_t tcbsize, size_t tcbalign)
_dl_static_dtv[0].counter = (sizeof (_dl_static_dtv) / sizeof (_dl_static_dtv[0])) - 2;
// _dl_static_dtv[1].counter = 0; would be needed if not already done
+ struct link_map *main_map = GL(dl_ns)[LM_ID_BASE]._ns_loaded;
+
/* Initialize the TLS block. */
#if TLS_TCB_AT_TP
_dl_static_dtv[2].pointer.val = ((char *) tlsblock + tcb_offset
- roundup (memsz, align ?: 1));
- static_map.l_tls_offset = roundup (memsz, align ?: 1);
+ main_map->l_tls_offset = roundup (memsz, align ?: 1);
#elif TLS_DTV_AT_TP
_dl_static_dtv[2].pointer.val = (char *) tlsblock + tcb_offset;
- static_map.l_tls_offset = tcb_offset;
+ main_map->l_tls_offset = tcb_offset;
#else
# error "Either TLS_TCB_AT_TP or TLS_DTV_AT_TP must be defined"
#endif
@@ -193,19 +192,17 @@ __libc_setup_tls (size_t tcbsize, size_t tcbalign)
if (__builtin_expect (lossage != NULL, 0))
__libc_fatal (lossage);
- /* We have to create a fake link map which normally would be created
- by the dynamic linker. It just has to have enough information to
- make the TLS routines happy. */
- static_map.l_tls_align = align;
- static_map.l_tls_blocksize = memsz;
- static_map.l_tls_initimage = initimage;
- static_map.l_tls_initimage_size = filesz;
- static_map.l_type = lt_executable;
- static_map.l_tls_modid = 1;
+ /* Update the executable's link map with enough information to make
+ the TLS routines happy. */
+ main_map->l_tls_align = align;
+ main_map->l_tls_blocksize = memsz;
+ main_map->l_tls_initimage = initimage;
+ main_map->l_tls_initimage_size = filesz;
+ main_map->l_tls_modid = 1;
init_slotinfo ();
// static_slotinfo.si.slotinfo[1].gen = 0; already zero
- static_slotinfo.si.slotinfo[1].map = &static_map;
+ static_slotinfo.si.slotinfo[1].map = main_map;
memsz = roundup (memsz, align ?: 1);