/* * 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 */