| /* Copyright (C) 2000-2014 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| Contributed by Jakub Jelinek <jakub@redhat.com>, 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 |
| <http://www.gnu.org/licenses/>. */ |
| |
| #ifndef _LINUX_SPARC_SYSDEP_H |
| #define _LINUX_SPARC_SYSDEP_H 1 |
| |
| #include <sysdeps/unix/sysdep.h> |
| #include <sysdeps/sparc/sysdep.h> |
| |
| #ifdef __ASSEMBLER__ |
| |
| #define ret retl; nop |
| #define ret_NOERRNO retl; nop |
| #define ret_ERRVAL retl; nop |
| #define r0 %o0 |
| #define r1 %o1 |
| #define MOVE(x,y) mov x, y |
| |
| #else /* __ASSEMBLER__ */ |
| |
| #undef INLINE_SYSCALL |
| #define INLINE_SYSCALL(name, nr, args...) \ |
| ({ INTERNAL_SYSCALL_DECL(err); \ |
| unsigned long resultvar = INTERNAL_SYSCALL(name, err, nr, args);\ |
| if (INTERNAL_SYSCALL_ERROR_P (resultvar, err)) \ |
| { \ |
| __set_errno (INTERNAL_SYSCALL_ERRNO (resultvar, err)); \ |
| resultvar = (unsigned long) -1; \ |
| } \ |
| (long) 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; \ |
| }) |
| |
| #endif /* __ASSEMBLER__ */ |
| |
| #endif /* _LINUX_SPARC_SYSDEP_H */ |