1 /* Copyright (C) 2000-2023 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
8
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <https://www.gnu.org/licenses/>. */
17
18 #ifndef _LINUX_SPARC_SYSDEP_H
19 #define _LINUX_SPARC_SYSDEP_H 1
20
21 #include <sysdeps/unix/sysdep.h>
22 #include <sysdeps/unix/sysv/linux/sysdep.h>
23 #include <sysdeps/sparc/sysdep.h>
24
25 #ifdef __ASSEMBLER__
26
27 #define ret retl; nop
28 #define ret_NOERRNO retl; nop
29 #define ret_ERRVAL retl; nop
30 #define r0 %o0
31 #define r1 %o1
32 #define MOVE(x,y) mov x, y
33
34 #else /* __ASSEMBLER__ */
35
36 # define VDSO_NAME "LINUX_2.6"
37 # define VDSO_HASH 61765110
38
39 /* List of system calls which are supported as vsyscalls. */
40 # ifdef __arch64__
41 # define HAVE_CLOCK_GETTIME64_VSYSCALL "__vdso_clock_gettime"
42 # else
43 # define HAVE_CLOCK_GETTIME_VSYSCALL "__vdso_clock_gettime"
44 # endif
45 # define HAVE_GETTIMEOFDAY_VSYSCALL "__vdso_gettimeofday"
46
47 #undef INTERNAL_SYSCALL
48 #define INTERNAL_SYSCALL(name, nr, args...) \
49 internal_syscall##nr(__SYSCALL_STRING, __NR_##name, args)
50
51 #undef INTERNAL_SYSCALL_NCS
52 #define INTERNAL_SYSCALL_NCS(name, nr, args...) \
53 internal_syscall##nr(__SYSCALL_STRING, name, args)
54
55 #define internal_syscall0(string,name,dummy...) \
56 ({ \
57 register long int __g1 __asm__ ("g1") = (name); \
58 register long __o0 __asm__ ("o0"); \
59 __asm __volatile (string : "=r" (__o0) : \
60 "r" (__g1) : \
61 __SYSCALL_CLOBBERS); \
62 __o0; \
63 })
64
65 #define internal_syscall1(string,name,arg1) \
66 ({ \
67 long int _arg1 = (long int) (arg1); \
68 register long int __g1 __asm__("g1") = (name); \
69 register long int __o0 __asm__ ("o0") = _arg1; \
70 __asm __volatile (string : "=r" (__o0) : \
71 "r" (__g1), "0" (__o0) : \
72 __SYSCALL_CLOBBERS); \
73 __o0; \
74 })
75
76 #define internal_syscall2(string,name,arg1,arg2) \
77 ({ \
78 long int _arg1 = (long int) (arg1); \
79 long int _arg2 = (long int) (arg2); \
80 register long int __g1 __asm__("g1") = (name); \
81 register long int __o0 __asm__ ("o0") = _arg1; \
82 register long int __o1 __asm__ ("o1") = _arg2; \
83 __asm __volatile (string : "=r" (__o0) : \
84 "r" (__g1), "0" (__o0), "r" (__o1) : \
85 __SYSCALL_CLOBBERS); \
86 __o0; \
87 })
88
89 #define internal_syscall3(string,name,arg1,arg2,arg3) \
90 ({ \
91 long int _arg1 = (long int) (arg1); \
92 long int _arg2 = (long int) (arg2); \
93 long int _arg3 = (long int) (arg3); \
94 register long int __g1 __asm__("g1") = (name); \
95 register long int __o0 __asm__ ("o0") = _arg1; \
96 register long int __o1 __asm__ ("o1") = _arg2; \
97 register long int __o2 __asm__ ("o2") = _arg3; \
98 __asm __volatile (string : "=r" (__o0) : \
99 "r" (__g1), "0" (__o0), "r" (__o1), \
100 "r" (__o2) : \
101 __SYSCALL_CLOBBERS); \
102 __o0; \
103 })
104
105 #define internal_syscall4(string,name,arg1,arg2,arg3,arg4) \
106 ({ \
107 long int _arg1 = (long int) (arg1); \
108 long int _arg2 = (long int) (arg2); \
109 long int _arg3 = (long int) (arg3); \
110 long int _arg4 = (long int) (arg4); \
111 register long int __g1 __asm__("g1") = (name); \
112 register long int __o0 __asm__ ("o0") = _arg1; \
113 register long int __o1 __asm__ ("o1") = _arg2; \
114 register long int __o2 __asm__ ("o2") = _arg3; \
115 register long int __o3 __asm__ ("o3") = _arg4; \
116 __asm __volatile (string : "=r" (__o0) : \
117 "r" (__g1), "0" (__o0), "r" (__o1), \
118 "r" (__o2), "r" (__o3) : \
119 __SYSCALL_CLOBBERS); \
120 __o0; \
121 })
122
123 #define internal_syscall5(string,name,arg1,arg2,arg3,arg4,arg5) \
124 ({ \
125 long int _arg1 = (long int) (arg1); \
126 long int _arg2 = (long int) (arg2); \
127 long int _arg3 = (long int) (arg3); \
128 long int _arg4 = (long int) (arg4); \
129 long int _arg5 = (long int) (arg5); \
130 register long int __g1 __asm__("g1") = (name); \
131 register long int __o0 __asm__ ("o0") = _arg1; \
132 register long int __o1 __asm__ ("o1") = _arg2; \
133 register long int __o2 __asm__ ("o2") = _arg3; \
134 register long int __o3 __asm__ ("o3") = _arg4; \
135 register long int __o4 __asm__ ("o4") = _arg5; \
136 __asm __volatile (string : "=r" (__o0) : \
137 "r" (__g1), "0" (__o0), "r" (__o1), \
138 "r" (__o2), "r" (__o3), "r" (__o4) : \
139 __SYSCALL_CLOBBERS); \
140 __o0; \
141 })
142
143 #define internal_syscall6(string,name,arg1,arg2,arg3,arg4,arg5,arg6) \
144 ({ \
145 long int _arg1 = (long int) (arg1); \
146 long int _arg2 = (long int) (arg2); \
147 long int _arg3 = (long int) (arg3); \
148 long int _arg4 = (long int) (arg4); \
149 long int _arg5 = (long int) (arg5); \
150 long int _arg6 = (long int) (arg6); \
151 register long int __g1 __asm__("g1") = (name); \
152 register long int __o0 __asm__ ("o0") = _arg1; \
153 register long int __o1 __asm__ ("o1") = _arg2; \
154 register long int __o2 __asm__ ("o2") = _arg3; \
155 register long int __o3 __asm__ ("o3") = _arg4; \
156 register long int __o4 __asm__ ("o4") = _arg5; \
157 register long int __o5 __asm__ ("o5") = _arg6; \
158 __asm __volatile (string : "=r" (__o0) : \
159 "r" (__g1), "0" (__o0), "r" (__o1), \
160 "r" (__o2), "r" (__o3), "r" (__o4), \
161 "r" (__o5) : \
162 __SYSCALL_CLOBBERS); \
163 __o0; \
164 })
165
166 #define INLINE_CLONE_SYSCALL(arg1,arg2,arg3,arg4,arg5) \
167 ({ \
168 long int _arg1 = (long int) (arg1); \
169 long int _arg2 = (long int) (arg2); \
170 long int _arg3 = (long int) (arg3); \
171 long int _arg4 = (long int) (arg4); \
172 long int _arg5 = (long int) (arg5); \
173 register long int __o0 __asm__ ("o0") = _arg1; \
174 register long int __o1 __asm__ ("o1") = _arg2; \
175 register long int __o2 __asm__ ("o2") = _arg3; \
176 register long int __o3 __asm__ ("o3") = _arg4; \
177 register long int __o4 __asm__ ("o4") = _arg5; \
178 register long int __g1 __asm__ ("g1") = __NR_clone; \
179 __asm __volatile (__SYSCALL_STRING : \
180 "=r" (__o0), "=r" (__o1) : \
181 "r" (__g1), "0" (__o0), "1" (__o1), \
182 "r" (__o2), "r" (__o3), "r" (__o4) : \
183 __SYSCALL_CLOBBERS); \
184 if (__glibc_unlikely ((unsigned long int) (__o0) > -4096UL)) \
185 { \
186 __set_errno (-__o0); \
187 __o0 = -1L; \
188 } \
189 else \
190 { \
191 __o0 &= (__o1 - 1); \
192 } \
193 __o0; \
194 })
195
196 #endif /* __ASSEMBLER__ */
197
198 #endif /* _LINUX_SPARC_SYSDEP_H */