2 * sys32.S: I-cache tricks for 32-bit compatibility layer simple
5 * Copyright (C) 1997 David S. Miller (davem@caip.rutgers.edu)
6 * Copyright (C) 1998 Jakub Jelinek (jj@ultra.linux.cz)
11 /* NOTE: call as jump breaks return stack, we have to avoid that */
15 #define SIGN1(STUB,SYSCALL,REG1) \
18 STUB: sethi %hi(SYSCALL), %g1; \
19 jmpl %g1 + %lo(SYSCALL), %g0; \
22 #define SIGN2(STUB,SYSCALL,REG1,REG2) \
25 STUB: sethi %hi(SYSCALL), %g1; \
27 jmpl %g1 + %lo(SYSCALL), %g0; \
30 #define SIGN3(STUB,SYSCALL,REG1,REG2,REG3) \
33 STUB: sra REG1, 0, REG1; \
34 sethi %hi(SYSCALL), %g1; \
36 jmpl %g1 + %lo(SYSCALL), %g0; \
39 SIGN1(sys32_getrusage, compat_sys_getrusage, %o0)
40 SIGN1(sys32_readahead, compat_sys_readahead, %o0)
41 SIGN2(sys32_fadvise64, compat_sys_fadvise64, %o0, %o4)
42 SIGN2(sys32_fadvise64_64, compat_sys_fadvise64_64, %o0, %o5)
43 SIGN1(sys32_clock_nanosleep, compat_sys_clock_nanosleep, %o1)
44 SIGN1(sys32_timer_settime, compat_sys_timer_settime, %o1)
45 SIGN1(sys32_io_submit, compat_sys_io_submit, %o1)
46 SIGN1(sys32_mq_open, compat_sys_mq_open, %o1)
47 SIGN1(sys32_select, compat_sys_select, %o0)
48 SIGN3(sys32_futex, compat_sys_futex, %o1, %o2, %o5)
49 SIGN1(sys32_recvfrom, compat_sys_recvfrom, %o0)
50 SIGN1(sys32_recvmsg, compat_sys_recvmsg, %o0)
51 SIGN1(sys32_sendmsg, compat_sys_sendmsg, %o0)
52 SIGN2(sys32_sync_file_range, compat_sync_file_range, %o0, %o5)
53 SIGN1(sys32_vmsplice, compat_sys_vmsplice, %o0)
57 sethi %hi(sys_mmap), %g1
58 jmpl %g1 + %lo(sys_mmap), %g0
62 .globl sys32_socketcall
63 sys32_socketcall: /* %o0=call, %o1=args */
70 sethi %hi(__socketcall_table_begin), %g2
71 or %g2, %lo(__socketcall_table_begin), %g2
79 __socketcall_table_begin:
81 /* Each entry is exactly 32 bytes. */
82 do_sys_socket: /* sys_socket(int, int, int) */
83 1: ldswa [%o1 + 0x0] %asi, %o0
84 sethi %hi(sys_socket), %g1
85 2: ldswa [%o1 + 0x8] %asi, %o2
86 jmpl %g1 + %lo(sys_socket), %g0
87 3: ldswa [%o1 + 0x4] %asi, %o1
91 do_sys_bind: /* sys_bind(int fd, struct sockaddr *, int) */
92 4: ldswa [%o1 + 0x0] %asi, %o0
93 sethi %hi(sys_bind), %g1
94 5: ldswa [%o1 + 0x8] %asi, %o2
95 jmpl %g1 + %lo(sys_bind), %g0
96 6: lduwa [%o1 + 0x4] %asi, %o1
100 do_sys_connect: /* sys_connect(int, struct sockaddr *, int) */
101 7: ldswa [%o1 + 0x0] %asi, %o0
102 sethi %hi(sys_connect), %g1
103 8: ldswa [%o1 + 0x8] %asi, %o2
104 jmpl %g1 + %lo(sys_connect), %g0
105 9: lduwa [%o1 + 0x4] %asi, %o1
109 do_sys_listen: /* sys_listen(int, int) */
110 10: ldswa [%o1 + 0x0] %asi, %o0
111 sethi %hi(sys_listen), %g1
112 jmpl %g1 + %lo(sys_listen), %g0
113 11: ldswa [%o1 + 0x4] %asi, %o1
118 do_sys_accept: /* sys_accept(int, struct sockaddr *, int *) */
119 12: ldswa [%o1 + 0x0] %asi, %o0
120 sethi %hi(sys_accept), %g1
121 13: lduwa [%o1 + 0x8] %asi, %o2
122 jmpl %g1 + %lo(sys_accept), %g0
123 14: lduwa [%o1 + 0x4] %asi, %o1
127 do_sys_getsockname: /* sys_getsockname(int, struct sockaddr *, int *) */
128 15: ldswa [%o1 + 0x0] %asi, %o0
129 sethi %hi(sys_getsockname), %g1
130 16: lduwa [%o1 + 0x8] %asi, %o2
131 jmpl %g1 + %lo(sys_getsockname), %g0
132 17: lduwa [%o1 + 0x4] %asi, %o1
136 do_sys_getpeername: /* sys_getpeername(int, struct sockaddr *, int *) */
137 18: ldswa [%o1 + 0x0] %asi, %o0
138 sethi %hi(sys_getpeername), %g1
139 19: lduwa [%o1 + 0x8] %asi, %o2
140 jmpl %g1 + %lo(sys_getpeername), %g0
141 20: lduwa [%o1 + 0x4] %asi, %o1
145 do_sys_socketpair: /* sys_socketpair(int, int, int, int *) */
146 21: ldswa [%o1 + 0x0] %asi, %o0
147 sethi %hi(sys_socketpair), %g1
148 22: ldswa [%o1 + 0x8] %asi, %o2
149 23: lduwa [%o1 + 0xc] %asi, %o3
150 jmpl %g1 + %lo(sys_socketpair), %g0
151 24: ldswa [%o1 + 0x4] %asi, %o1
154 do_sys_send: /* sys_send(int, void *, size_t, unsigned int) */
155 25: ldswa [%o1 + 0x0] %asi, %o0
156 sethi %hi(sys_send), %g1
157 26: lduwa [%o1 + 0x8] %asi, %o2
158 27: lduwa [%o1 + 0xc] %asi, %o3
159 jmpl %g1 + %lo(sys_send), %g0
160 28: lduwa [%o1 + 0x4] %asi, %o1
163 do_sys_recv: /* sys_recv(int, void *, size_t, unsigned int) */
164 29: ldswa [%o1 + 0x0] %asi, %o0
165 sethi %hi(sys_recv), %g1
166 30: lduwa [%o1 + 0x8] %asi, %o2
167 31: lduwa [%o1 + 0xc] %asi, %o3
168 jmpl %g1 + %lo(sys_recv), %g0
169 32: lduwa [%o1 + 0x4] %asi, %o1
172 do_sys_sendto: /* sys_sendto(int, u32, compat_size_t, unsigned int, u32, int) */
173 33: ldswa [%o1 + 0x0] %asi, %o0
174 sethi %hi(sys_sendto), %g1
175 34: lduwa [%o1 + 0x8] %asi, %o2
176 35: lduwa [%o1 + 0xc] %asi, %o3
177 36: lduwa [%o1 + 0x10] %asi, %o4
178 37: ldswa [%o1 + 0x14] %asi, %o5
179 jmpl %g1 + %lo(sys_sendto), %g0
180 38: lduwa [%o1 + 0x4] %asi, %o1
181 do_sys_recvfrom: /* sys_recvfrom(int, u32, compat_size_t, unsigned int, u32, u32) */
182 39: ldswa [%o1 + 0x0] %asi, %o0
183 sethi %hi(sys_recvfrom), %g1
184 40: lduwa [%o1 + 0x8] %asi, %o2
185 41: lduwa [%o1 + 0xc] %asi, %o3
186 42: lduwa [%o1 + 0x10] %asi, %o4
187 43: lduwa [%o1 + 0x14] %asi, %o5
188 jmpl %g1 + %lo(sys_recvfrom), %g0
189 44: lduwa [%o1 + 0x4] %asi, %o1
190 do_sys_shutdown: /* sys_shutdown(int, int) */
191 45: ldswa [%o1 + 0x0] %asi, %o0
192 sethi %hi(sys_shutdown), %g1
193 jmpl %g1 + %lo(sys_shutdown), %g0
194 46: ldswa [%o1 + 0x4] %asi, %o1
199 do_sys_setsockopt: /* compat_sys_setsockopt(int, int, int, char *, int) */
200 47: ldswa [%o1 + 0x0] %asi, %o0
201 sethi %hi(compat_sys_setsockopt), %g1
202 48: ldswa [%o1 + 0x8] %asi, %o2
203 49: lduwa [%o1 + 0xc] %asi, %o3
204 50: ldswa [%o1 + 0x10] %asi, %o4
205 jmpl %g1 + %lo(compat_sys_setsockopt), %g0
206 51: ldswa [%o1 + 0x4] %asi, %o1
208 do_sys_getsockopt: /* compat_sys_getsockopt(int, int, int, u32, u32) */
209 52: ldswa [%o1 + 0x0] %asi, %o0
210 sethi %hi(compat_sys_getsockopt), %g1
211 53: ldswa [%o1 + 0x8] %asi, %o2
212 54: lduwa [%o1 + 0xc] %asi, %o3
213 55: lduwa [%o1 + 0x10] %asi, %o4
214 jmpl %g1 + %lo(compat_sys_getsockopt), %g0
215 56: ldswa [%o1 + 0x4] %asi, %o1
217 do_sys_sendmsg: /* compat_sys_sendmsg(int, struct compat_msghdr *, unsigned int) */
218 57: ldswa [%o1 + 0x0] %asi, %o0
219 sethi %hi(compat_sys_sendmsg), %g1
220 58: lduwa [%o1 + 0x8] %asi, %o2
221 jmpl %g1 + %lo(compat_sys_sendmsg), %g0
222 59: lduwa [%o1 + 0x4] %asi, %o1
226 do_sys_recvmsg: /* compat_sys_recvmsg(int, struct compat_msghdr *, unsigned int) */
227 60: ldswa [%o1 + 0x0] %asi, %o0
228 sethi %hi(compat_sys_recvmsg), %g1
229 61: lduwa [%o1 + 0x8] %asi, %o2
230 jmpl %g1 + %lo(compat_sys_recvmsg), %g0
231 62: lduwa [%o1 + 0x4] %asi, %o1
235 do_sys_accept4: /* sys_accept4(int, struct sockaddr *, int *, int) */
236 63: ldswa [%o1 + 0x0] %asi, %o0
237 sethi %hi(sys_accept4), %g1
238 64: lduwa [%o1 + 0x8] %asi, %o2
239 65: ldswa [%o1 + 0xc] %asi, %o3
240 jmpl %g1 + %lo(sys_accept4), %g0
241 66: lduwa [%o1 + 0x4] %asi, %o1
245 .globl sys32_fanotify_mark
247 sethi %hi(sys_fanotify_mark), %g1
251 jmpl %g1 + %lo(sys_fanotify_mark), %g0
254 .section __ex_table,"a"
256 .word 1b, __retl_efault, 2b, __retl_efault
257 .word 3b, __retl_efault, 4b, __retl_efault
258 .word 5b, __retl_efault, 6b, __retl_efault
259 .word 7b, __retl_efault, 8b, __retl_efault
260 .word 9b, __retl_efault, 10b, __retl_efault
261 .word 11b, __retl_efault, 12b, __retl_efault
262 .word 13b, __retl_efault, 14b, __retl_efault
263 .word 15b, __retl_efault, 16b, __retl_efault
264 .word 17b, __retl_efault, 18b, __retl_efault
265 .word 19b, __retl_efault, 20b, __retl_efault
266 .word 21b, __retl_efault, 22b, __retl_efault
267 .word 23b, __retl_efault, 24b, __retl_efault
268 .word 25b, __retl_efault, 26b, __retl_efault
269 .word 27b, __retl_efault, 28b, __retl_efault
270 .word 29b, __retl_efault, 30b, __retl_efault
271 .word 31b, __retl_efault, 32b, __retl_efault
272 .word 33b, __retl_efault, 34b, __retl_efault
273 .word 35b, __retl_efault, 36b, __retl_efault
274 .word 37b, __retl_efault, 38b, __retl_efault
275 .word 39b, __retl_efault, 40b, __retl_efault
276 .word 41b, __retl_efault, 42b, __retl_efault
277 .word 43b, __retl_efault, 44b, __retl_efault
278 .word 45b, __retl_efault, 46b, __retl_efault
279 .word 47b, __retl_efault, 48b, __retl_efault
280 .word 49b, __retl_efault, 50b, __retl_efault
281 .word 51b, __retl_efault, 52b, __retl_efault
282 .word 53b, __retl_efault, 54b, __retl_efault
283 .word 55b, __retl_efault, 56b, __retl_efault
284 .word 57b, __retl_efault, 58b, __retl_efault
285 .word 59b, __retl_efault, 60b, __retl_efault
286 .word 61b, __retl_efault, 62b, __retl_efault
287 .word 63b, __retl_efault, 64b, __retl_efault
288 .word 65b, __retl_efault, 66b, __retl_efault