about summary refs log tree commit diff
path: root/sysdeps/unix/sysv/linux/sparc/sysdep.h
blob: 125c921b6dcb6cb832f919d6435b41b9a64c4346 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
/* Copyright (C) 2000-2013 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
   <http://www.gnu.org/licenses/>.  */

#ifndef _LINUX_SPARC_SYSDEP_H
#define _LINUX_SPARC_SYSDEP_H 1

#include <sysdeps/unix/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__ */

#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 */