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authorRoland McGrath <roland@gnu.org>2002-11-01 20:44:15 +0000
committerRoland McGrath <roland@gnu.org>2002-11-01 20:44:15 +0000
commitc877418f2e806a5d2a07c036bb4ac192a53ccdbf (patch)
tree198ff8cab8ac7ddfa07b46091cbe4c4a1b50f876 /elf
parentaa9937f78c2a5c3b1496888e06b1925a4bd1aba8 (diff)
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* include/libc-symbols.h (__libc_freeres_fn_section, libc_freeres_fn):
New macros. * elf/dl-close.c (free_mem): Use libc_freeres_fn macro, remove text_set_element. * elf/dl-libc.c (free_mem): Likewise. * iconv/gconv_conf.c (free_mem): Likewise. * iconv/gconv_db.c (free_mem): Likewise. * iconv/gconv_dl.c (free_mem): Likewise. * iconv/gconv_cache.c (free_mem): Likewise. * intl/finddomain.c (free_mem): Likewise. * intl/dcigettext.c (free_mem): Likewise. * locale/setlocale.c (free_mem): Likewise. * misc/fstab.c (fstab_free): Likewise. * nss/nsswitch.c (free_mem): Likewise. * posix/regcomp.c (free_mem): Likewise. * resolv/gai_misc.c (free_res): Likewise. * stdlib/fmtmsg.c (free_mem): Likewise. * sunrpc/clnt_perr.c (free_mem): Likewise. * sysdeps/generic/setenv.c (free_mem): Likewise. * sysdeps/unix/sysv/linux/shm_open.c (freeit): Likewise. * sysdeps/pthread/aio_misc.c (free_res): Likewise. * time/tzset.c (free_mem): Likewise. * malloc/mtrace.c (release_libc_mem): Add __libc_freeres_fn_section. * locale/loadarchive.c (_nl_archive_subfreeres): Likewise. * malloc/set-freeres.c (__libc_freeres): Likewise. * login/getutent.c: Include stdlib.h instead of stddef.h. (buffer): Change into pointer to utmp, add libc_freeres_ptr. (__getutent): Allocate buffer the first time it is run. * login/getutid.c: Include stdlib.h instead of stddef.h. (buffer): Change into pointer to utmp, add libc_freeres_ptr. (__getutid): Allocate buffer the first time it is run. * login/getutline.c: Include stdlib.h instead of stddef.h. (buffer): Change into pointer to utmp, add libc_freeres_ptr. (__getutline): Allocate buffer the first time it is run. * malloc/mtrace.c (malloc_trace_buffer): Change into char *. (mtrace): Allocate malloc_trace_buffer. * resolv/nsap_addr.c (inet_nsap_ntoa): Decrease size of tmpbuf. * resolv/ns_print.c (ns_sprintrrf): Decrease size of t. * string/strerror.c: Include libintl.h and errno.h. (buf): New variable. (strerror): Only allocate buffer if actually needed (unknown error). * time/tzfile.c (transitions): Add libc_freeres_ptr. (freeres): Remove. 2002-10-25 Jakub Jelinek <jakub@redhat.com> * include/libc-symbols.h (libc_freeres_ptr): New macro. * malloc/set-freeres.c (__libc_freeres_ptrs): Define using symbol_set_define. (__libc_freeres): Free all pointers in that section. * Makerules (build-shlib): Add $(LDSEDCMD-$(@F:lib%.so=%).so) to sed commands when creating .lds script. (LDSEDCMD-c.so): New variable. * inet/rcmd.c (ahostbuf): Change into char *. Add libc_freeres_ptr. (rcmd_af): Use strdup to allocate ahostbuf. * inet/rexec.c (ahostbuf): Change into char *. Add libc_freeres_ptr. (rexec_af): Use strdup to allocate ahostbuf. * stdio-common/reg-printf.c (printf_funcs): Remove. (__printf_arginfo_table): Change into printf_arginfo_function **. Add libc_freeres_ptr. (__register_printf_function): Allocate __printf_arginfo_table and __printf_function_table the first time it is called. * stdio-common/printf-parse.h (__printf_arginfo_table): Change into printf_arginfo_function **. (parse_one_spec): Add __builtin_expect. * grp/fgetgrent.c (buffer): Add libc_freeres_ptr. (free_mem): Remove. * inet/getnetgrent.c (buffer): Add libc_freeres_ptr. (free_mem): Remove. * intl/localealias.c (libc_freeres_ptr): Define if !_LIBC. (string_space, map): Add libc_freeres_ptr. (free_mem): Remove. * misc/efgcvt.c (FCVT_BUFPTR): Add libc_freeres_ptr. (free_mem): Remove. * misc/mntent.c (getmntent_buffer): Add libc_freeres_ptr. (free_mem): Remove. * crypt/md5-crypt.c (libc_freeres_ptr): Define if !_LIBC. (buffer): Add libc_freeres_ptr. (free_mem): Remove for _LIBC. * nss/getXXbyYY.c (buffer): Add libc_freeres_ptr. (free_mem): Remove. * nss/getXXent.c (buffer): Add libc_freeres_ptr. (free_mem): Remove. * pwd/fgetpwent.c (buffer): Add libc_freeres_ptr. (free_mem): Remove. * resolv/res_hconf.c (ifaddrs): Add libc_freeres_ptr. (free_mem): Remove. * shadow/fgetspent.c (buffer): Add libc_freeres_ptr. (free_mem): Remove. * sysdeps/posix/ttyname.c (getttyname_name): Add libc_freeres_ptr. (free_mem): Remove. * sysdeps/unix/sysv/linux/getsysstats.c (mount_proc): Add libc_freeres_ptr. (free_mem): Remove. * sysdeps/unix/sysv/linux/ttyname.c (getttyname_name, ttyname_buf): Add libc_freeres_ptr. (free_mem): Remove. 2002-10-30 Jakub Jelinek <jakub@redhat.com> * malloc/obstack.c [_LIBC] (obstack_free): Change into strong_alias instead of duplicating the whole function in libc.
Diffstat (limited to 'elf')
-rw-r--r--elf/dl-close.c45
-rw-r--r--elf/dl-libc.c4
2 files changed, 39 insertions, 10 deletions
diff --git a/elf/dl-close.c b/elf/dl-close.c
index 094db53..632f8ba 100644
--- a/elf/dl-close.c
+++ b/elf/dl-close.c
@@ -247,6 +247,11 @@ _dl_close (void *_map)
_r_debug.r_state = RT_DELETE;
_dl_debug_state ();
+#ifdef USE_TLS
+ size_t tls_free_start, tls_free_end;
+ tls_free_start = tls_free_end = GL(dl_tls_static_used);
+#endif
+
/* Check each element of the search list to see if all references to
it are gone. */
for (i = 0; list[i] != NULL; ++i)
@@ -286,6 +291,30 @@ _dl_close (void *_map)
imap->l_init_called))
/* All dynamically loaded modules with TLS are unloaded. */
GL(dl_tls_max_dtv_idx) = GL(dl_tls_static_nelem);
+
+ if (imap->l_tls_offset != 0)
+ {
+ /* Collect a contiguous chunk built from the objects in
+ this search list, going in either direction. When the
+ whole chunk is at the end of the used area then we can
+ reclaim it. */
+ if (imap->l_tls_offset == tls_free_end)
+ /* Extend the contiguous chunk being reclaimed. */
+ tls_free_end += imap->l_tls_blocksize;
+ else if (imap->l_tls_offset + imap->l_tls_blocksize
+ == tls_free_start)
+ /* Extend the chunk backwards. */
+ tls_free_start = imap->l_tls_offset;
+ else
+ {
+ /* This isn't contiguous with the last chunk freed.
+ One of them will be leaked. */
+ if (tls_free_end == GL(dl_tls_static_used))
+ GL(dl_tls_static_used) = tls_free_start;
+ tls_free_start = imap->l_tls_offset;
+ tls_free_end = tls_free_start + imap->l_tls_blocksize;
+ }
+ }
}
#endif
@@ -363,11 +392,15 @@ _dl_close (void *_map)
}
#ifdef USE_TLS
- /* If we removed any object which uses TLS bumnp the generation
- counter. */
+ /* If we removed any object which uses TLS bump the generation counter. */
if (any_tls)
- if (__builtin_expect (++GL(dl_tls_generation) == 0, 0))
- __libc_fatal (_("TLS generation counter wrapped! Please send report with the 'glibcbug' script."));
+ {
+ if (__builtin_expect (++GL(dl_tls_generation) == 0, 0))
+ __libc_fatal (_("TLS generation counter wrapped! Please send report with the 'glibcbug' script."));
+
+ if (tls_free_end == GL(dl_tls_static_used))
+ GL(dl_tls_static_used) = tls_free_start;
+ }
#endif
/* Notify the debugger those objects are finalized and gone. */
@@ -424,8 +457,7 @@ free_slotinfo (struct dtv_slotinfo_list *elemp)
#endif
-static void
-free_mem (void)
+libc_freeres_fn (free_mem)
{
if (__builtin_expect (GL(dl_global_scope_alloc), 0) != 0
&& GL(dl_main_searchlist)->r_nlist == GL(dl_initial_searchlist).r_nlist)
@@ -453,4 +485,3 @@ free_mem (void)
GL(dl_tls_dtv_slotinfo_list)->next = NULL;
#endif
}
-text_set_element (__libc_subfreeres, free_mem);
diff --git a/elf/dl-libc.c b/elf/dl-libc.c
index 938b5d7..d69e49f 100644
--- a/elf/dl-libc.c
+++ b/elf/dl-libc.c
@@ -123,8 +123,7 @@ __libc_dlclose (void *__map)
}
-static void
-free_mem (void)
+libc_freeres_fn (free_mem)
{
struct link_map *l;
struct r_search_path_elem *d;
@@ -154,4 +153,3 @@ free_mem (void)
}
}
}
-text_set_element (__libc_subfreeres, free_mem);