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/* Copyright (C) 1997, 2000 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;
#define SYSCALL_ERROR_HANDLER \
save %sp, -192, %sp; \
call __errno_location; \
nop; \
st %i0, [%o0]; \
jmpl %i7+8, %g0; \
restore %g0, -1, %o0
#define PSEUDO(name, syscall_name, args) \
.text; \
ENTRY(name); \
LOADSYSCALL(syscall_name); \
ta 0x6d; \
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
#else /* __ASSEMBLER__ */
#define __SYSCALL_STRING \
"ta 0x6d;" \
"bcc,pt %%xcc, 1f;" \
" nop;" \
"save %%sp, -192, %%sp;" \
"call __errno_location;" \
" nop;" \
"st %%i0,[%%o0];" \
"restore %%g0, -1, %%o0;" \
"1:"
#define __SYSCALL_CLOBBERS "g2", "g3", "g4", "g5", "g7", \
"f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7", \
"f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15", \
"f16", "f17", "f18", "f19", "f20", "f21", "f22", "f23", \
"f24", "f25", "f26", "f27", "f28", "f29", "f30", "f31", \
"f32", "f34", "f36", "f38", "f40", "f42", "f44", "f46", \
"f48", "f50", "f52", "f54", "f56", "f58", "f60", "f62", \
"cc", "memory"
#include <sysdeps/unix/sysv/linux/sparc/sysdep.h>
#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 */
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