diff options
Diffstat (limited to 'libpthread/nptl/sysdeps/unix/sysdep.h')
-rw-r--r-- | libpthread/nptl/sysdeps/unix/sysdep.h | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/libpthread/nptl/sysdeps/unix/sysdep.h b/libpthread/nptl/sysdeps/unix/sysdep.h new file mode 100644 index 000000000..0e7c9da5a --- /dev/null +++ b/libpthread/nptl/sysdeps/unix/sysdep.h @@ -0,0 +1,63 @@ +/* Copyright (C) 1991, 92, 93, 96, 98, 2003 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + 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, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <sysdeps/generic/sysdep.h> + +#include <sys/syscall.h> +#define HAVE_SYSCALLS + +/* Note that using a `PASTE' macro loses. */ +#ifdef __STDC__ +#define SYSCALL__(name, args) PSEUDO (__##name, name, args) +#else +#define SYSCALL__(name, args) PSEUDO (__/**/name, name, args) +#endif +#define SYSCALL(name, args) PSEUDO (name, name, args) + +/* Machine-dependent sysdep.h files are expected to define the macro + PSEUDO (function_name, syscall_name) to emit assembly code to define the + C-callable function FUNCTION_NAME to do system call SYSCALL_NAME. + r0 and r1 are the system call outputs. MOVE(x, y) should be defined as + an instruction such that "MOVE(r1, r0)" works. ret should be defined + as the return instruction. */ + +#ifndef SYS_ify +#ifdef __STDC__ +#define SYS_ify(syscall_name) SYS_##syscall_name +#else +#define SYS_ify(syscall_name) SYS_/**/syscall_name +#endif +#endif + +/* Terminate a system call named SYM. This is used on some platforms + to generate correct debugging information. */ +#ifndef PSEUDO_END +#define PSEUDO_END(sym) +#endif +#ifndef PSEUDO_END_NOERRNO +#define PSEUDO_END_NOERRNO(sym) PSEUDO_END(sym) +#endif +#ifndef PSEUDO_END_ERRVAL +#define PSEUDO_END_ERRVAL(sym) PSEUDO_END(sym) +#endif + +/* Wrappers around system calls should normally inline the system call code. + But sometimes it is not possible or implemented and we use this code. */ +#ifndef INLINE_SYSCALL +#define INLINE_SYSCALL(name, nr, args...) __syscall_##name (args) +#endif |