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authorUlrich Drepper <drepper@redhat.com>2008-01-17 20:20:00 +0000
committerUlrich Drepper <drepper@redhat.com>2008-01-17 20:20:00 +0000
commit4c533566c2bb94162bcc1f66c5cf9db609e20803 (patch)
treeeb3d31e6a55056dc285e43b4700dccded4b88771 /include
parenta0f6c236e068b4fa2d1116cdf7d31b2c2722ab6c (diff)
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* include/link.h (FORCED_DYNAMIC_TLS_OFFSET): Define.
	* elf/dl-close.c (_dl_close): Check for it.
	* elf/dl-reloc.c (CHECK_STATIC_TLS): Likewise.
	(_dl_allocate_static_tls): Likewise.
	* elf/dl-tls.c (_dl_allocate_tls_init): Likewise.
	(__tls_get_addr): Protect from race conditions in setting l_tls_offset
	to it.
	* elf/tst-tls16.c: New file.
	* elf/tst-tlsmod16a.c: New file.
	* elf/tst-tlsmod16b.c: New file.
	* elf/Makefile: Add rules to build and run tst-tls16.
Diffstat (limited to 'include')
-rw-r--r--include/link.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/include/link.h b/include/link.h
index 16980ef664..4b9978ad61 100644
--- a/include/link.h
+++ b/include/link.h
@@ -279,6 +279,15 @@ struct link_map
 #ifndef NO_TLS_OFFSET
 # define NO_TLS_OFFSET	0
 #endif
+#ifndef FORCED_DYNAMIC_TLS_OFFSET
+# if NO_TLS_OFFSET == 0
+#  define FORCED_DYNAMIC_TLS_OFFSET 1
+# elif NO_TLS_OFFSET == -1
+#  define FORCED_DYNAMIC_TLS_OFFSET -2
+# else
+#  error "FORCED_DYNAMIC_TLS_OFFSET is not defined"
+# endif
+#endif
     /* For objects present at startup time: offset in the static TLS block.  */
     ptrdiff_t l_tls_offset;
     /* Index of the module in the dtv array.  */