about summary refs log tree commit diff
path: root/sysdeps/s390/libc-tls.c
diff options
context:
space:
mode:
authorUlrich Drepper <drepper@redhat.com>2003-01-28 10:42:28 +0000
committerUlrich Drepper <drepper@redhat.com>2003-01-28 10:42:28 +0000
commite6ebd2e4db59da6c1726ecfa3516f1f1b3048442 (patch)
treedfa3797737a8e4dc76ed38e52cf7baa27e936003 /sysdeps/s390/libc-tls.c
parent772e3426a7b6f5200cb1029d41308b8b666cdbab (diff)
downloadglibc-e6ebd2e4db59da6c1726ecfa3516f1f1b3048442.tar.gz
glibc-e6ebd2e4db59da6c1726ecfa3516f1f1b3048442.tar.xz
glibc-e6ebd2e4db59da6c1726ecfa3516f1f1b3048442.zip
Update.
2003-01-27  Martin Schwidefsky  <schwidefsky@de.ibm.com>

	* elf/elf.h: Add new s390 relocs.
	* elf/tls-macros.h: Add s390 versions.
	* sysdeps/s390/Versions [GLIBC_2.3] (ld): Export __tls_get_offset.
	* sysdeps/s390/dl-tls.h: New file.
	* sysdeps/s390/libc-tls.c: New file.
	* sysdeps/s390/s390-32/dl-machine.h (elf_machine_type_class): Add TLS
	relocs for class PLT.
	(elf_machine_rela): Handle TLS relocs.
	* sysdeps/s390/s390-64/dl-machine.h: Likewise.
	* sysdeps/s390/s390-32/elf/configure.in: Add TLS check.
	* sysdeps/s390/s390-64/elf/configure.in: Likewise.
	* sysdeps/unix/sysv/linux/s390/s390-32/clone.S: Add support for
	CLONE_CHILD_*TID flags.
	* sysdeps/unix/sysv/linux/s390/s390-64/clone.S: Likewise.
	* sysdeps/unix/sysv/linux/s390/s390-64/mmap.S: Use branch with 32
	bit offset.
	* sysdeps/unix/sysv/linux/s390/s390-64/socket.S: Likewise.
	* sysdeps/unix/sysv/linux/s390/s390-64/syscall.S: Likewise.
	* sysdeps/unix/sysv/linux/s390/s390-32/sysdep.S (__syscall_error):
	Support USE___THREAD. Define RTLD_PRIVATE_ERRNO variant.
	* sysdeps/unix/sysv/linux/s390/s390-64/sysdep.S (__syscall_error):
	Likewise.
	* sysdeps/unix/sysv/linux/s390/s390-32/sysdep.h:
	(SYSCALL_ERROR_LABEL): Move define next to SYSCALL_ERROR_HANDLER.
	(SYSCALL_ERROR_HANDLER): Add USE___THREAD and RTLD_PRIVATE_ERRNO
	variants.
	* sysdeps/unix/sysv/linux/s390/s390-64/sysdep.h:
	(SYSCALL_ERROR_LABEL): Move define next to SYSCALL_ERROR_HANDLER. Use
	direct branch to syscall_error for !PIC and PIC && !_LIBC_REENTRANT.
	(SYSCALL_ERROR_HANDLER): Add USE___THREAD and RTLD_PRIVATE_ERRNO
	variants.
Diffstat (limited to 'sysdeps/s390/libc-tls.c')
-rw-r--r--sysdeps/s390/libc-tls.c37
1 files changed, 37 insertions, 0 deletions
diff --git a/sysdeps/s390/libc-tls.c b/sysdeps/s390/libc-tls.c
new file mode 100644
index 0000000000..bc433f8f6f
--- /dev/null
+++ b/sysdeps/s390/libc-tls.c
@@ -0,0 +1,37 @@
+/* Thread-local storage handling in the ELF dynamic linker.  IA-64 version.
+   Copyright (C) 2003 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.  */
+
+#include <sysdeps/generic/libc-tls.c>
+
+#if USE_TLS
+
+/* On s390, the literal pool entry that refers to __tls_get_offset
+   is not removed, even if all branches that use the literal pool
+   entry gets removed by TLS optimizations. To get binaries
+   statically linked __tls_get_offset is defined here but
+   aborts if it is used.  */
+
+void *
+__tls_get_offset (size_t m, size_t offset)
+{
+  abort ();
+}
+
+#endif
+