/* Copyright (C) 2000, 2002, 2003, 2004, 2007 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Jakub Jelinek , 2000. 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, see . */ #ifndef _LINUX_SPARC_SYSDEP_H #define _LINUX_SPARC_SYSDEP_H 1 #undef INLINE_SYSCALL #define INLINE_SYSCALL(name, nr, args...) \ ({ INTERNAL_SYSCALL_DECL(err); \ unsigned int resultvar = INTERNAL_SYSCALL(name, err, nr, args); \ if (INTERNAL_SYSCALL_ERROR_P (resultvar, err)) \ { \ __set_errno (INTERNAL_SYSCALL_ERRNO (resultvar, err)); \ resultvar = 0xffffffff; \ } \ (int) resultvar; \ }) #undef INTERNAL_SYSCALL_DECL #define INTERNAL_SYSCALL_DECL(err) \ register long err __asm__("g1"); #undef INTERNAL_SYSCALL #define INTERNAL_SYSCALL(name, err, nr, args...) \ inline_syscall##nr(__SYSCALL_STRING, err, __NR_##name, args) #undef INTERNAL_SYSCALL_NCS #define INTERNAL_SYSCALL_NCS(name, err, nr, args...) \ inline_syscall##nr(__SYSCALL_STRING, err, name, args) #undef INTERNAL_SYSCALL_ERROR_P #define INTERNAL_SYSCALL_ERROR_P(val, err) \ ((void) (val), __builtin_expect((err) != 0, 0)) #undef INTERNAL_SYSCALL_ERRNO #define INTERNAL_SYSCALL_ERRNO(val, err) (-(val)) #define inline_syscall0(string,err,name,dummy...) \ ({ \ register long __o0 __asm__ ("o0"); \ err = name; \ __asm __volatile (string : "=r" (err), "=r" (__o0) : \ "0" (err) : \ __SYSCALL_CLOBBERS); \ __o0; \ }) #define inline_syscall1(string,err,name,arg1) \ ({ \ register long __o0 __asm__ ("o0") = (long)(arg1); \ err = name; \ __asm __volatile (string : "=r" (err), "=r" (__o0) : \ "0" (err), "1" (__o0) : \ __SYSCALL_CLOBBERS); \ __o0; \ }) #define inline_syscall2(string,err,name,arg1,arg2) \ ({ \ register long __o0 __asm__ ("o0") = (long)(arg1); \ register long __o1 __asm__ ("o1") = (long)(arg2); \ err = name; \ __asm __volatile (string : "=r" (err), "=r" (__o0) : \ "0" (err), "1" (__o0), "r" (__o1) : \ __SYSCALL_CLOBBERS); \ __o0; \ }) #define inline_syscall3(string,err,name,arg1,arg2,arg3) \ ({ \ register long __o0 __asm__ ("o0") = (long)(arg1); \ register long __o1 __asm__ ("o1") = (long)(arg2); \ register long __o2 __asm__ ("o2") = (long)(arg3); \ err = name; \ __asm __volatile (string : "=r" (err), "=r" (__o0) : \ "0" (err), "1" (__o0), "r" (__o1), \ "r" (__o2) : \ __SYSCALL_CLOBBERS); \ __o0; \ }) #define inline_syscall4(string,err,name,arg1,arg2,arg3,arg4) \ ({ \ register long __o0 __asm__ ("o0") = (long)(arg1); \ register long __o1 __asm__ ("o1") = (long)(arg2); \ register long __o2 __asm__ ("o2") = (long)(arg3); \ register long __o3 __asm__ ("o3") = (long)(arg4); \ err = name; \ __asm __volatile (string : "=r" (err), "=r" (__o0) : \ "0" (err), "1" (__o0), "r" (__o1), \ "r" (__o2), "r" (__o3) : \ __SYSCALL_CLOBBERS); \ __o0; \ }) #define inline_syscall5(string,err,name,arg1,arg2,arg3,arg4,arg5) \ ({ \ register long __o0 __asm__ ("o0") = (long)(arg1); \ register long __o1 __asm__ ("o1") = (long)(arg2); \ register long __o2 __asm__ ("o2") = (long)(arg3); \ register long __o3 __asm__ ("o3") = (long)(arg4); \ register long __o4 __asm__ ("o4") = (long)(arg5); \ err = name; \ __asm __volatile (string : "=r" (err), "=r" (__o0) : \ "0" (err), "1" (__o0), "r" (__o1), \ "r" (__o2), "r" (__o3), "r" (__o4) : \ __SYSCALL_CLOBBERS); \ __o0; \ }) #define inline_syscall6(string,err,name,arg1,arg2,arg3,arg4,arg5,arg6) \ ({ \ register long __o0 __asm__ ("o0") = (long)(arg1); \ register long __o1 __asm__ ("o1") = (long)(arg2); \ register long __o2 __asm__ ("o2") = (long)(arg3); \ register long __o3 __asm__ ("o3") = (long)(arg4); \ register long __o4 __asm__ ("o4") = (long)(arg5); \ register long __o5 __asm__ ("o5") = (long)(arg6); \ err = name; \ __asm __volatile (string : "=r" (err), "=r" (__o0) : \ "0" (err), "1" (__o0), "r" (__o1), \ "r" (__o2), "r" (__o3), "r" (__o4), \ "r" (__o5) : \ __SYSCALL_CLOBBERS); \ __o0; \ }) #define INLINE_CLONE_SYSCALL(arg1,arg2,arg3,arg4,arg5) \ ({ \ register long __o0 __asm__ ("o0") = (long)(arg1); \ register long __o1 __asm__ ("o1") = (long)(arg2); \ register long __o2 __asm__ ("o2") = (long)(arg3); \ register long __o3 __asm__ ("o3") = (long)(arg4); \ register long __o4 __asm__ ("o4") = (long)(arg5); \ register long __g1 __asm__ ("g1") = __NR_clone; \ __asm __volatile (__SYSCALL_STRING : \ "=r" (__g1), "=r" (__o0), "=r" (__o1) : \ "0" (__g1), "1" (__o0), "2" (__o1), \ "r" (__o2), "r" (__o3), "r" (__o4) : \ __SYSCALL_CLOBBERS); \ if (INTERNAL_SYSCALL_ERROR_P (__o0, __g1)) \ { \ __set_errno (INTERNAL_SYSCALL_ERRNO (__o0, __g1)); \ __o0 = -1L; \ } \ else \ { \ __o0 &= (__o1 - 1); \ } \ __o0; \ }) #ifdef __ASSEMBLER__ # define JUMPTARGET(sym) sym #endif #endif /* _LINUX_SPARC_SYSDEP_H */