glibc/sysdeps/unix/sysv/linux/mips/sysdep.h
2019-09-24 13:40:26 +02:00

41 lines
1.6 KiB
C

/* Syscall definitions, Linux MIPS generic version.
Copyright (C) 2019 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, see
<http://www.gnu.org/licenses/>. */
#define VDSO_NAME "LINUX_2.6"
#define VDSO_HASH 61765110
/* List of system calls which are supported as vsyscalls. */
#define HAVE_CLOCK_GETTIME_VSYSCALL "__vdso_clock_gettime"
#define HAVE_GETTIMEOFDAY_VSYSCALL "__vdso_gettimeofday"
#ifndef __ASSEMBLER__
/* Standard MIPS syscalls have an error flag, and return a positive errno
when the error flag is set. Emulate this behaviour for vsyscalls so that
the INTERNAL_SYSCALL_{ERROR_P,ERRNO} macros work correctly. */
#define INTERNAL_VSYSCALL_CALL(funcptr, err, nr, args...) \
({ \
long _ret = funcptr (args); \
err = ((unsigned long) (_ret) >= (unsigned long) -4095L); \
if (err) \
_ret = -_ret; \
_ret; \
})
#endif /* __ASSEMBLER__ */