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authorRoland McGrath <roland@gnu.org>2002-12-04 12:30:40 +0000
committerRoland McGrath <roland@gnu.org>2002-12-04 12:30:40 +0000
commit216455bc284f57dbaf939059f815935e23456c02 (patch)
tree3ae488a18ace0ebe18d7923eae29ae65a3badada /elf/dl-close.c
parent68dc80ca28a192d686b3190373df8468b4ce5cb8 (diff)
* sysdeps/generic/ldsodefs.h (struct rtld_global): Move all [USE_TLS]
members to the end, so a libpthread compiled with !USE_TLS will still find other members properly. * sysdeps/i386/i486/bits/string.h (__strcpy_g): Add dummy output operand for DEST memory. Fix dummy input operand to use SRC. Reported by Davin McCall <davmac@ozonline.com.au>. * sysdeps/generic/libc-tls.c (__libc_setup_tls): Account for TCB alignment when initializing the DTV entry. * elf/dl-load.c (_dl_map_object_from_fd): If we hit a TLS segment when TLS has not been set up, try to set it up if we can. * elf/tst-tls4.c: Revert last change. * elf/tst-tls5.c: Likewise. * elf/tst-tls6.c: Likewise. * elf/tst-tls7.c: Likewise. * elf/tst-tls8.c: Likewise. * elf/tst-tls9.c: Likewise. * sysdeps/generic/dl-tls.c [SHARED] (_dl_tls_setup): New function. * sysdeps/generic/ldsodefs.h: Declare it. * elf/Versions (ld: GLIBC_PRIVATE): Add it. * sysdeps/generic/libc-tls.c (init_slotinfo): New static inline function, broken out of __libc_setup_tls. (init_static_tls): Likewise. (__libc_setup_tls): Call them. (_dl_tls_setup): New function, uses new subroutines. * elf/dl-close.c (free_slotinfo): Make argument pointer to pointer. Clear the pointer when returning true. (libc_freeres_fn) [SHARED]: If GL(dl_initial_dtv) is null, free the first element of the slotinfo list too. * sysdeps/generic/dl-tls.c (_dl_determine_tlsoffset): Define only if [SHARED]. * sysdeps/generic/ldsodefs.h (_dl_next_tls_modid): Declare as hidden. (_dl_determine_tlsoffset): Likewise. * elf/rtld.c (_dl_initial_error_catch_tsd): Renamed from startup_error_tsd, made global. (dl_main): Update initialization. * elf/dl-tsd.c: Likewise. * sysdeps/generic/ldsodefs.h: Declare it.
Diffstat (limited to 'elf/dl-close.c')
-rw-r--r--elf/dl-close.c33
1 files changed, 19 insertions, 14 deletions
diff --git a/elf/dl-close.c b/elf/dl-close.c
index b5c2841d61..0a6265f142 100644
--- a/elf/dl-close.c
+++ b/elf/dl-close.c
@@ -429,28 +429,28 @@ libc_hidden_def (_dl_close)
#ifdef USE_TLS
static bool
-free_slotinfo (struct dtv_slotinfo_list *elemp)
+free_slotinfo (struct dtv_slotinfo_list **elemp)
{
size_t cnt;
- if (elemp == NULL)
+ if (*elemp == NULL)
/* Nothing here, all is removed (or there never was anything). */
return true;
- if (!free_slotinfo (elemp->next))
+ if (!free_slotinfo (&(*elemp)->next))
/* We cannot free the entry. */
return false;
- /* The least we could do is remove next element (if there was any). */
- elemp->next = NULL;
+ /* That cleared our next pointer for us. */
- for (cnt = 0; cnt < elemp->len; ++cnt)
- if (elemp->slotinfo[cnt].map != NULL)
+ for (cnt = 0; cnt < (*elemp)->len; ++cnt)
+ if ((*elemp)->slotinfo[cnt].map != NULL)
/* Still used. */
return false;
/* We can remove the list element. */
- free (elemp);
+ free (*elemp);
+ *elemp = NULL;
return true;
}
@@ -479,12 +479,17 @@ libc_freeres_fn (free_mem)
if (USE___THREAD || GL(dl_tls_dtv_slotinfo_list) != NULL)
{
/* Free the memory allocated for the dtv slotinfo array. We can do
- this only if all modules which used this memory are unloaded.
- Also, the first element of the list does not have to be
- deallocated. It was allocated in the dynamic linker (i.e., with
- a different malloc). */
- if (free_slotinfo (GL(dl_tls_dtv_slotinfo_list)->next))
- GL(dl_tls_dtv_slotinfo_list)->next = NULL;
+ this only if all modules which used this memory are unloaded. */
+# ifdef SHARED
+ if (GL(dl_initial_dtv) == NULL)
+ /* There was no initial TLS setup, it was set up later when
+ it used the normal malloc. */
+ free_slotinfo (&GL(dl_tls_dtv_slotinfo_list));
+# endif
+ /* The first element of the list does not have to be deallocated.
+ It was allocated in the dynamic linker (i.e., with a different
+ malloc), and in the static library it's in .bss space. */
+ free_slotinfo (&GL(dl_tls_dtv_slotinfo_list)->next);
}
#endif
}