1 files changed, 116 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/sparc64/sysdep.h b/sysdeps/unix/sysv/linux/sparc64/sysdep.h
new file mode 100644
index 0000000000..f01c1f43cd
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/sparc64/sysdep.h
@@ -0,0 +1,116 @@
+/* Copyright (C) 1997 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Richard Henderson <richard@gnu.ai.mit.edu>, 1997.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#ifndef _LINUX_SPARC64_SYSDEP_H
+#define _LINUX_SPARC64_SYSDEP_H 1
+
+#include <sysdeps/unix/sysdep.h>
+
+#undef SYS_ify
+#define SYS_ify(syscall_name) __NR_##syscall_name
+
+#ifdef ASSEMBLER
+
+#ifdef DONT_LOAD_G1
+# define LOADSYSCALL(x)
+#else
+# define LOADSYSCALL(x) mov __NR_##x, %g1
+#endif
+
+/* Linux/SPARC uses a different trap number */
+#undef PSEUDO
+#undef ENTRY
+
+#define ENTRY(name)							\
+	.global C_SYMBOL_NAME(name);					\
+	.align 2;							\
+	C_LABEL(name);							\
+	.type name,@function;
+
+#ifdef PIC
+#define SYSCALL_ERROR_HANDLER1(R)					\
+	.global C_SYMBOL_NAME(errno);					\
+	.type C_SYMBOL_NAME(errno),@object;				\
+0:	rd %pc,%g1;							\
+	sethi %hi(_GLOBAL_OFFSET_TABLE_-(0b-.)),%g2;			\
+	add %g2,%lo(_GLOBAL_OFFSET_TABLE_-(0b-.)),%g2;			\
+	add %g2,%g1,%g1;						\
+	sethi %hi(errno),%g2;						\
+	add %g2,%lo(errno),%g2;						\
+	ldx [%g1+%g2],%g2;						\
+	st R,[%g2]
+#else
+#define SYSCALL_ERROR_HANDLER1(R)					\
+	.global C_SYMBOL_NAME(errno);					\
+	.type C_SYMBOL_NAME(errno),@object;				\
+	sethi %hi(errno),%g1;						\
+	add %g1,%g4,%g1;						\
+	st R,[%g1+%lo(errno)]
+#endif
+
+#ifdef _LIBC_REENTRANT
+#define SYSCALL_ERROR_HANDLER						\
+	.global C_SYMBOL_NAME(__errno_location);			\
+        .type C_SYMBOL_NAME(__errno_location),@function;		\
+	save %sp,-128,%sp;						\
+	SYSCALL_ERROR_HANDLER1(%i0);					\
+	call __errno_location;						\
+	 nop;								\
+	st %i0,[%o0];							\
+	sub %g0,1,%i0;							\
+	jmpl %i7+8, %g0;						\
+	 restore
+#else
+#define SYSCALL_ERROR_HANDLER						\
+	SYSCALL_ERROR_HANDLER1(%o0);					\
+	retl;								\
+	 sub %g0,1,%i0
+#endif
+
+#define PSEUDO(name, syscall_name, args)				\
+	.text;								\
+	ENTRY(name);							\
+	LOADSYSCALL(syscall_name);					\
+	ta 0x11;							\
+	bcc,pt %xcc,1f;							\
+	 nop;								\
+	SYSCALL_ERROR_HANDLER;						\
+1:
+
+#undef PSEUDO_END
+#define PSEUDO_END(name)						\
+	.size name,.-name
+
+#undef END
+#define END(name)							\
+	.size name,.-name
+
+/* Careful here!  This "ret" define can interfere; use jmpl if unsure.  */
+#define ret             retl; nop
+#define r0              %o0
+#define r1              %o1
+#define MOVE(x,y)       mov x, y
+
+#endif	/* ASSEMBLER */
+
+/* This is the offset from the %sp to the backing store above the 
+   register windows.  So if you poke stack memory directly you add this.  */
+#define STACK_BIAS	2047
+
+#endif /* linux/sparc64/sysdep.h */