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authorUlrich Drepper <drepper@redhat.com>2002-06-22 05:24:45 +0000
committerUlrich Drepper <drepper@redhat.com>2002-06-22 05:24:45 +0000
commitbff334e09023c8cf6327e9ff87b117f2331330d2 (patch)
tree672ea6581c958ce24049e4d569283ae45e09f1d1 /elf
parent90f0056f74f13f5fc387a8eaf7d0dda974d76468 (diff)
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Update.
2002-06-17 Jakub Jelinek <jakub@redhat.com> * elf/dl-lookup.c (_dl_debug_bindings): Use type_class 4 for TLS lookups. * elf/rtld.c (dl_main): Move TLS setup code before LD_TRACE_PRELINKING code. Print TLS modid and offset for modules containing PT_TLS segments. 2002-06-09 Jakub Jelinek <jakub@redhat.com> * sysdeps/unix/sysv/linux/i386/dl-brk.c: Move... * sysdeps/unix/sysv/linux/dl-brk.c: ...here. * sysdeps/unix/sysv/linux/i386/dl-sbrk.c: Move... * sysdeps/unix/sysv/linux/dl-sbrk.c: ...here. 2002-06-07 Jakub Jelinek <jakub@redhat.com> * nss/getXXbyYY_r.c (NEW, NEW1): Define. (NEW (REENTRANT_NAME)): Strong alias to INTERNAL (REENTRANT_NAME). (REENTRANT_NAME@@GLIBC_2.1.2): Use NEW (REENTRANT_NAME). * nss/getXXent_r.c (NEW, NEW1): Define. (NEW (REENTRANT_GETNAME)): Strong alias to INTERNAL (REENTRANT_GETNAME). (REENTRANT_GETNAME@@GLIBC_2.1.2): Use NEW (REENTRANT_GETNAME). 2002-06-21 Ulrich Drepper <drepper@redhat.com> * libio/fileops.c (_IO_file_setbuf_mmap): New function. (_IO_file_jumps_mmap): Use it. * libio/iosetvbuf.c: Don't call _IO_WSETBUF. * libio/libioP.h: Remove _IO_wdefault_setbuf and _IO_wdefault_setbuf_internal prorotypes. Add _IO_file_setbuf_mmap prototype. * libio/wfileops.c (_IO_wfile_setbuf): Removed. (_IO_wfile_jumps_mmap): Don't use it anymore. * libio/wgenops.c (_IO_wdefault_setbuf): Removed. * libio/memstream.c (_IO_wmem_jumps): Use _IO_default_setbuf not _IO_wdefault_setbuf. * libio/vswprintf.c (_IO_wstrn_jumps): Likewise. * libio/wstrops.c (_IO_wstr_jumps): Likewise. * stdio-common/vfprintf.c (_IO_helper_jumps): Likewise. 2002-06-05 Jakub Jelinek <jakub@redhat.com> * libio/Makefile (tests): Add tst-mmap-setvbuf. * libio/tst-mmap-setvbuf.c: New test.
Diffstat (limited to 'elf')
-rw-r--r--elf/dl-lookup.c6
-rw-r--r--elf/rtld.c150
2 files changed, 85 insertions, 71 deletions
diff --git a/elf/dl-lookup.c b/elf/dl-lookup.c
index 895b60df7d..b21eeb097a 100644
--- a/elf/dl-lookup.c
+++ b/elf/dl-lookup.c
@@ -663,6 +663,12 @@ _dl_debug_bindings (const char *undef_name, struct link_map *undef_map,
(int) sizeof (ElfW(Addr)) * 2,
(ElfW(Addr)) (val.s ? val.s->st_value : 0));
+#ifdef USE_TLS
+ if (value->s
+ && (__builtin_expect (ELFW(ST_TYPE) (value->s->st_info)
+ == STT_TLS, 0)))
+ type_class = 4;
+#endif
_dl_printf ("/%x %s\n", type_class, undef_name);
}
}
diff --git a/elf/rtld.c b/elf/rtld.c
index 968b37040a..9ec250214b 100644
--- a/elf/rtld.c
+++ b/elf/rtld.c
@@ -1006,6 +1006,76 @@ of this helper program; chances are you did not intend to run this program.\n\
_dl_receive_error (print_missing_version, version_check_doit, &args);
}
+#ifdef USE_TLS
+ /* Now it is time to determine the layout of the static TLS block
+ and allocate it for the initial thread. Note that we always
+ allocate the static block, we never defer it even if no
+ DF_STATIC_TLS bit is set. The reason is that we know glibc will
+ use the static model. First add the dynamic linker to the list
+ if it also uses TLS. */
+ if (GL(dl_rtld_map).l_tls_blocksize != 0)
+ /* Assign a module ID. */
+ GL(dl_rtld_map).l_tls_modid = _dl_next_tls_modid ();
+
+# ifndef SHARED
+ /* If dynamic loading of modules with TLS is impossible we do not
+ have to initialize any of the TLS functionality unless any of the
+ initial modules uses TLS. */
+ if (GL(dl_tls_max_dtv_idx) > 0)
+# endif
+ {
+ struct link_map *l;
+ size_t nelem;
+ struct dtv_slotinfo *slotinfo;
+
+ /* Number of elements in the static TLS block. */
+ GL(dl_tls_static_nelem) = GL(dl_tls_max_dtv_idx);
+
+ /* Allocate the array which contains the information about the
+ dtv slots. We allocate a few entries more than needed to
+ avoid the need for reallocation. */
+ nelem = GL(dl_tls_max_dtv_idx) + 1 + TLS_SLOTINFO_SURPLUS;
+
+ /* Allocate. */
+ GL(dl_tls_dtv_slotinfo_list) = (struct dtv_slotinfo_list *)
+ malloc (sizeof (struct dtv_slotinfo_list)
+ + nelem * sizeof (struct dtv_slotinfo));
+ /* No need to check the return value. If memory allocation failed
+ the program would have been terminated. */
+
+ slotinfo = memset (GL(dl_tls_dtv_slotinfo_list)->slotinfo, '\0',
+ nelem * sizeof (struct dtv_slotinfo));
+ GL(dl_tls_dtv_slotinfo_list)->len = nelem;
+ GL(dl_tls_dtv_slotinfo_list)->next = NULL;
+
+ /* Fill in the information from the loaded modules. */
+ for (l = GL(dl_loaded), i = 0; l != NULL; l = l->l_next)
+ if (l->l_tls_blocksize != 0)
+ /* This is a module with TLS data. Store the map reference.
+ The generation counter is zero. */
+ slotinfo[++i].map = l;
+ assert (i == GL(dl_tls_max_dtv_idx));
+
+ /* Computer the TLS offsets for the various blocks. We call this
+ function even if none of the modules available at startup time
+ uses TLS to initialize some variables. */
+ _dl_determine_tlsoffset ();
+
+ /* Construct the static TLS block and the dtv for the initial
+ thread. For some platforms this will include allocating memory
+ for the thread descriptor. The memory for the TLS block will
+ never be freed. It should be allocated accordingly. The dtv
+ array can be changed if dynamic loading requires it. */
+ tcbp = INTUSE(_dl_allocate_tls) ();
+ if (tcbp == NULL)
+ _dl_fatal_printf ("\
+cannot allocate TLS data structures for inital thread");
+
+ /* And finally install it for the main thread. */
+ TLS_INIT_TP (tcbp);
+ }
+#endif
+
if (__builtin_expect (mode, normal) != normal)
{
/* We were run just to list the shared libraries. It is
@@ -1032,7 +1102,7 @@ of this helper program; chances are you did not intend to run this program.\n\
}
if (_dl_name_match_p (GL(dl_trace_prelink), l))
GL(dl_trace_prelink_map) = l;
- _dl_printf ("\t%s => %s (0x%0*Zx, 0x%0*Zx)\n",
+ _dl_printf ("\t%s => %s (0x%0*Zx, 0x%0*Zx)",
l->l_libname->name[0] ? l->l_libname->name
: rtld_progname ?: "<main program>",
l->l_name[0] ? l->l_name
@@ -1041,6 +1111,14 @@ of this helper program; chances are you did not intend to run this program.\n\
l->l_map_start,
(int) sizeof l->l_addr * 2,
l->l_addr);
+#ifdef USE_TLS
+ if (l->l_tls_modid)
+ _dl_printf (" TLS(0x%Zx, 0x%0*Zx)\n", l->l_tls_modid,
+ (int) sizeof l->l_tls_offset * 2,
+ l->l_tls_offset);
+ else
+#endif
+ _dl_printf ("\n");
}
}
else
@@ -1182,76 +1260,6 @@ of this helper program; chances are you did not intend to run this program.\n\
_exit (0);
}
-#ifdef USE_TLS
- /* Now it is time to determine the layout of the static TLS block
- and allocate it for the initial thread. Note that we always
- allocate the static block, we never defer it even if no
- DF_STATIC_TLS bit is set. The reason is that we know glibc will
- use the static model. First add the dynamic linker to the list
- if it also uses TLS. */
- if (GL(dl_rtld_map).l_tls_blocksize != 0)
- /* Assign a module ID. */
- GL(dl_rtld_map).l_tls_modid = _dl_next_tls_modid ();
-
-# ifndef SHARED
- /* If dynamic loading of modules with TLS is impossible we do not
- have to initialize any of the TLS functionality unless any of the
- initial modules uses TLS. */
- if (GL(dl_tls_max_dtv_idx) > 0)
-# endif
- {
- struct link_map *l;
- size_t nelem;
- struct dtv_slotinfo *slotinfo;
-
- /* Number of elements in the static TLS block. */
- GL(dl_tls_static_nelem) = GL(dl_tls_max_dtv_idx);
-
- /* Allocate the array which contains the information about the
- dtv slots. We allocate a few entries more than needed to
- avoid the need for reallocation. */
- nelem = GL(dl_tls_max_dtv_idx) + 1 + TLS_SLOTINFO_SURPLUS;
-
- /* Allocate. */
- GL(dl_tls_dtv_slotinfo_list) = (struct dtv_slotinfo_list *)
- malloc (sizeof (struct dtv_slotinfo_list)
- + nelem * sizeof (struct dtv_slotinfo));
- /* No need to check the return value. If memory allocation failed
- the program would have been terminated. */
-
- slotinfo = memset (GL(dl_tls_dtv_slotinfo_list)->slotinfo, '\0',
- nelem * sizeof (struct dtv_slotinfo));
- GL(dl_tls_dtv_slotinfo_list)->len = nelem;
- GL(dl_tls_dtv_slotinfo_list)->next = NULL;
-
- /* Fill in the information from the loaded modules. */
- for (l = GL(dl_loaded), i = 0; l != NULL; l = l->l_next)
- if (l->l_tls_blocksize != 0)
- /* This is a module with TLS data. Store the map reference.
- The generation counter is zero. */
- slotinfo[++i].map = l;
- assert (i == GL(dl_tls_max_dtv_idx));
-
- /* Computer the TLS offsets for the various blocks. We call this
- function even if none of the modules available at startup time
- uses TLS to initialize some variables. */
- _dl_determine_tlsoffset ();
-
- /* Construct the static TLS block and the dtv for the initial
- thread. For some platforms this will include allocating memory
- for the thread descriptor. The memory for the TLS block will
- never be freed. It should be allocated accordingly. The dtv
- array can be changed if dynamic loading requires it. */
- tcbp = INTUSE(_dl_allocate_tls) ();
- if (tcbp == NULL)
- _dl_fatal_printf ("\
-cannot allocate TLS data structures for inital thread");
-
- /* And finally install it for the main thread. */
- TLS_INIT_TP (tcbp);
- }
-#endif
-
if (GL(dl_loaded)->l_info [ADDRIDX (DT_GNU_LIBLIST)]
&& ! __builtin_expect (GL(dl_profile) != NULL, 0))
{