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authorUlrich Drepper <drepper@redhat.com>2002-02-05 08:25:04 +0000
committerUlrich Drepper <drepper@redhat.com>2002-02-05 08:25:04 +0000
commita2f1f5cb89a809e819b64bb9819b845f7c234ae2 (patch)
tree1fcca336b3a5062df625e0b64976b8098f9a25d0
parent5d6feea8f54fe67cbeb7c35e35539b2efd4ead29 (diff)
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Update.
2002-02-05  Ulrich Drepper  <drepper@redhat.com>

	* elf/rtld.c (dl_main): Read PT_TLS entry of the executable.
	* sysdeps/generic/ldsodefs.h (struct rtld_global): Add
	_dl_tls_module_cnt.
-rw-r--r--ChangeLog6
-rw-r--r--elf/rtld.c19
-rw-r--r--sysdeps/generic/ldsodefs.h3
3 files changed, 28 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog
index d5078bda3e..fed1b4875a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2002-02-05  Ulrich Drepper  <drepper@redhat.com>
+
+	* elf/rtld.c (dl_main): Read PT_TLS entry of the executable.
+	* sysdeps/generic/ldsodefs.h (struct rtld_global): Add
+	_dl_tls_module_cnt.
+
 2002-02-04  Ulrich Drepper  <drepper@redhat.com>
 
 	* elf/rtld.c (_dl_start): Fill TLS values in link map for rtld.
diff --git a/elf/rtld.c b/elf/rtld.c
index bdd12b4f81..64cb7cb49b 100644
--- a/elf/rtld.c
+++ b/elf/rtld.c
@@ -708,6 +708,25 @@ of this helper program; chances are you did not intend to run this program.\n\
 	    GL(dl_loaded)->l_map_end = allocend;
 	}
 	break;
+#ifdef USE_TLS
+      case PT_TLS:
+	/* Note that in the case the dynamic linker we duplicate work
+	   here since we read the PT_TLS entry already in
+	   _dl_start_final.  But the result is repeatable so do not
+	   check for this special but unimportant case.  */
+	GL(dl_loaded)->l_tls_blocksize = ph->p_memsz;
+	GL(dl_loaded)->l_tls_initimage_size = ph->p_filesz;
+	GL(dl_loaded)->l_tls_initimage = (void *) (GL(dl_loaded)->l_addr
+						   + ph->p_offset);
+	/* This is the first element of the initialization image list.
+	   It is created as a circular list so that we can easily
+	   append to it.  */
+	GL(dl_initimage_list) = GL(dl_loaded)->l_tls_nextimage = GL(dl_loaded);
+
+	/* This image get the ID one.  */
+	GL(dl_tls_module_cnt) = GL(dl_loaded)->l_tls_modid = 1;
+	break;
+#endif
       }
   if (! GL(dl_loaded)->l_map_end)
     GL(dl_loaded)->l_map_end = ~0;
diff --git a/sysdeps/generic/ldsodefs.h b/sysdeps/generic/ldsodefs.h
index 4e4fecf712..75f82bdd95 100644
--- a/sysdeps/generic/ldsodefs.h
+++ b/sysdeps/generic/ldsodefs.h
@@ -292,6 +292,9 @@ struct rtld_global
      thread-local storage sections.  This will be traversed to
      initialize new TLS blocks.  */
   EXTERN struct link_map *_dl_initimage_list;
+
+  /* Count the number of modules which define TLS data.  */
+  EXTERN size_t _dl_tls_module_cnt;
 #endif
 
   /* Name of the shared object to be profiled (if any).  */