diff options
Diffstat (limited to 'libc/sysdeps/linux/sparc64/bits/syscalls.h')
| -rw-r--r-- | libc/sysdeps/linux/sparc64/bits/syscalls.h | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/sparc64/bits/syscalls.h b/libc/sysdeps/linux/sparc64/bits/syscalls.h new file mode 100644 index 000000000..bf3f7a0f2 --- /dev/null +++ b/libc/sysdeps/linux/sparc64/bits/syscalls.h @@ -0,0 +1,116 @@ +/* + * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. + * ported from GNU C Library + */ + +/* Copyright (C) 2000-2017 Free Software Foundation, Inc. + +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 _BITS_SYSCALLS_H +#define _BITS_SYSCALLS_H +#ifndef _SYSCALL_H +# error "Never use <bits/syscalls.h> directly; include <sys/syscall.h> instead." +#endif + +#ifndef __ASSEMBLER__ + +#define __SYSCALL_CLOBBERS \ + "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" + +#define __SYSCALL_STRING \ + "ta 0x6d;" \ + "bcc,pt %%xcc, 1f;" \ + " mov 0, %%g1;" \ + "sub %%g0, %%o0, %%o0;" \ + "mov 1, %%g1;" \ + "1:" + +#define INTERNAL_SYSCALL_NCS(name, err, nr, args...) \ +({ \ + register long __o0 __asm__("o0"); \ + long err = name; \ + LOAD_ARGS_##nr(args) \ + \ + __asm__ __volatile__( __SYSCALL_STRING \ + : "=r" (err), "=r" (__o0) \ + : "0" (err), "1" (__o0) ASM_ARGS_##nr \ + : __SYSCALL_CLOBBERS ); \ + __o0; \ +}) + +#define INTERNAL_SYSCALL_ERROR_P(val, err) \ + ((unsigned int) (val) >= 0xfffff001u) + +#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; \ +}) + +#define LOAD_ARGS_0() +#define ASM_ARGS_0 +#define LOAD_ARGS_1(o0) \ + __o0 = (long)o0; \ + LOAD_ARGS_0() +#define ASM_ARGS_1 ASM_ARGS_0, "r" (__o0) +#define LOAD_ARGS_2(o0, o1) \ + register long __o1 __asm__ ("o1") = (long) (o1); \ + LOAD_ARGS_1 (o0) +#define ASM_ARGS_2 ASM_ARGS_1, "r" (__o1) +#define LOAD_ARGS_3(o0, o1, o2) \ + register long __o2 __asm__ ("o2") = (long) (o2); \ + LOAD_ARGS_2 (o0, o1) +#define ASM_ARGS_3 ASM_ARGS_2, "r" (__o2) +#define LOAD_ARGS_4(o0, o1, o2, o3) \ + register long __o3 __asm__ ("o3") = (long) (o3); \ + LOAD_ARGS_3 (o0, o1, o2) +#define ASM_ARGS_4 ASM_ARGS_3, "r" (__o3) +#define LOAD_ARGS_5(o0, o1, o2, o3, o4) \ + register long __o4 __asm__ ("o4") = (long) (o4); \ + LOAD_ARGS_4 (o0, o1, o2, o3) +#define ASM_ARGS_5 ASM_ARGS_4, "r" (__o4) +#define LOAD_ARGS_6(o0, o1, o2, o3, o4, o5) \ + register long __o5 __asm__ ("o5") = (long) (o5); \ + LOAD_ARGS_5 (o0, o1, o2, o3, o4) +#define ASM_ARGS_6 ASM_ARGS_5, "r" (__o5) + +#endif /* __ASSEMBLER__ */ +#endif /* _BITS_SYSCALLS_H */ |