Add sparc64 TLS and NPTL support.

	* elf/tls-macros.h: Add Sparc64 defines.
	* sysdeps/sparc/sparc64/dl-machine.h (sparc64_fixup_plt): Mark as
	always_inline.
	(elf_machine_fixup_plt): Likewise.
	(elf_machine_rela): Handle TLS relocations.
	(elf_machine_type_cleaa): Likewise.
	* sysdeps/unix/sysv/linux/sparc/sparc64/sysdep.h
	(SYSCALL_ERROR_HANDLER_ENTRY): Use sethi/or for GOT reloc.
	It does not always fit in R_SPARC_GOT13 when building -fPIC.
	Also, add TLS handling.
	* sysdeps/unix/sysv/linux/configure.in (arch_minimum_kernel):
	Increase it to 2.4.21 for sparc64.
	* sysdeps/unix/sysv/linux/sparc/sparc32/clone.S: NULL terminate
	backtrace by zero'ing out %fp.  Store away flags, func_ptr,
	and func_arg in global registers not local registers.
	* sysdeps/unix/sysv/linux/sparc/sparc64/clone.S: Handle PTID, TLS,
	and CTID arguments properly.  Add RESET_PID handling.
	* sysdeps/unix/sysv/linux/sparc/sparc64/pause.c: Rework so that we
	do not invoke __sigprocmask().  We can always assume rt signals
	are present on sparc64, so just do an inline syscall.

2005-04-13  Jakub Jelinek  <jakub@redhat.com>

	* sysdeps/sparc/sparc64/dl-machine.h: Add dl_machine_h multiple
	inclusion guard for the first half of the header.
	(elf_machine_type_class, ELF_MACHINE_JMP_SLOT, ELF_MACHINE_NO_REL,
	ELF_MACHINE_PLTREL_OVERLAP, elf_machine_runtime_setup,
	elf_machine_relplt, DL_STACK_END, RTLD_START): Move into the
	#ifndef dl_machine_h guarded part of the header.

1 files changed, 31 insertions, 0 deletions

diff --git a/nptl/sysdeps/sparc/sparc64/jmpbuf-unwind.h b/nptl/sysdeps/sparc/sparc64/jmpbuf-unwind.h
new file mode 100644
index 0000000..77321aa
--- /dev/null
+++ b/nptl/sysdeps/sparc/sparc64/jmpbuf-unwind.h
@@ -0,0 +1,31 @@
+/* Copyright (C) 2005 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by David S. Miller <davem@davemloft.net>, 2005.
+
+   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 <setjmp.h>
+#include <stdint.h>
+#include <unwind.h>
+
+#define _JMPBUF_CFA_UNWINDS_ADJ(_jmpbuf, _context, _adj) \
+  _JMPBUF_UNWINDS_ADJ (_jmpbuf, (void *) _Unwind_GetCFA (_context), _adj)
+
+#define _JMPBUF_UNWINDS_ADJ(_jmpbuf, _address, _adj) \
+  ((uintptr_t) (_address) - (_adj) < (uintptr_t) (_jmpbuf)[0].uc_mcontext.mc_fp - (_adj))
+
+/* We use the normal lobngjmp for unwinding.  */
+#define __libc_unwind_longjmp(buf, val) __libc_longjmp (buf, val)