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/* Copyright (C) 2000-2020 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
<https://www.gnu.org/licenses/>. */
#ifndef _LINUX_SPARC_SYSDEP_H
#define _LINUX_SPARC_SYSDEP_H 1
#include <sysdeps/unix/sysdep.h>
#include <sysdeps/unix/sysv/linux/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__ */
#define INTERNAL_VSYSCALL_CALL(funcptr, err, nr, args...) \
({ \
long _ret = funcptr (args); \
err = ((unsigned long) (_ret) >= (unsigned long) -4095L); \
_ret; \
})
# define VDSO_NAME "LINUX_2.6"
# define VDSO_HASH 61765110
/* List of system calls which are supported as vsyscalls. */
# ifdef __arch64__
# define HAVE_CLOCK_GETTIME64_VSYSCALL "__vdso_clock_gettime"
# else
# define HAVE_CLOCK_GETTIME_VSYSCALL "__vdso_clock_gettime"
# endif
# define HAVE_GETTIMEOFDAY_VSYSCALL "__vdso_gettimeofday"
#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 */
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