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authorJakub Jelinek <jakub@redhat.com>2008-05-15 07:57:49 +0000
committerJakub Jelinek <jakub@redhat.com>2008-05-15 07:57:49 +0000
commit78463734c14d180e4d8e16c6e66fb213fc3479c0 (patch)
tree718b7357ea9e63d4a951a0a725105619b97d2977 /sysdeps/x86_64/dl-tlsdesc.h
parentef73dbc1301bc42c132d15ae6ca866233c0beeb4 (diff)
Updated to fedora-glibc-20080515T0735cvs/fedora-glibc-2_8_90-1
Diffstat (limited to 'sysdeps/x86_64/dl-tlsdesc.h')
-rw-r--r--sysdeps/x86_64/dl-tlsdesc.h64
1 files changed, 64 insertions, 0 deletions
diff --git a/sysdeps/x86_64/dl-tlsdesc.h b/sysdeps/x86_64/dl-tlsdesc.h
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index 0000000000..9e64aab5a7
--- /dev/null
+++ b/sysdeps/x86_64/dl-tlsdesc.h
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+/* Thread-local storage descriptor handling in the ELF dynamic linker.
+ x86_64 version.
+ Copyright (C) 2005, 2008 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#ifndef _X86_64_DL_TLSDESC_H
+# define _X86_64_DL_TLSDESC_H 1
+
+/* Use this to access DT_TLSDESC_PLT and DT_TLSDESC_GOT. */
+#ifndef ADDRIDX
+# define ADDRIDX(tag) (DT_NUM + DT_THISPROCNUM + DT_VERSIONTAGNUM \
+ + DT_EXTRANUM + DT_VALNUM + DT_ADDRTAGIDX (tag))
+#endif
+
+/* Type used to represent a TLS descriptor in the GOT. */
+struct tlsdesc
+{
+ ptrdiff_t (*entry)(struct tlsdesc *on_rax);
+ void *arg;
+};
+
+typedef struct dl_tls_index
+{
+ unsigned long int ti_module;
+ unsigned long int ti_offset;
+} tls_index;
+
+/* Type used as the argument in a TLS descriptor for a symbol that
+ needs dynamic TLS offsets. */
+struct tlsdesc_dynamic_arg
+{
+ tls_index tlsinfo;
+ size_t gen_count;
+};
+
+extern ptrdiff_t attribute_hidden
+ _dl_tlsdesc_return(struct tlsdesc *on_rax),
+ _dl_tlsdesc_undefweak(struct tlsdesc *on_rax),
+ _dl_tlsdesc_resolve_rela(struct tlsdesc *on_rax),
+ _dl_tlsdesc_resolve_hold(struct tlsdesc *on_rax);
+
+# ifdef SHARED
+extern void *internal_function _dl_make_tlsdesc_dynamic (struct link_map *map,
+ size_t ti_offset);
+
+extern ptrdiff_t attribute_hidden _dl_tlsdesc_dynamic(struct tlsdesc *);
+# endif
+
+#endif