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 #define SIGN4(STUB,SYSCALL,REG1,REG2,REG3,REG4) \
42 STUB: sra REG1, 0, REG1; \
43 sethi %hi(SYSCALL), %g1; \
46 jmpl %g1 + %lo(SYSCALL), %g0; \
49 SIGN1(sys32_exit, sparc_exit, %o0)
50 SIGN1(sys32_exit_group, sys_exit_group, %o0)
51 SIGN1(sys32_wait4, compat_sys_wait4, %o2)
52 SIGN1(sys32_creat, sys_creat, %o1)
53 SIGN1(sys32_mknod, sys_mknod, %o1)
54 SIGN1(sys32_perfctr, sys_perfctr, %o0)
55 SIGN1(sys32_umount, sys_umount, %o1)
56 SIGN1(sys32_signal, sys_signal, %o0)
57 SIGN1(sys32_access, sys_access, %o1)
58 SIGN1(sys32_msync, sys_msync, %o2)
59 SIGN2(sys32_reboot, sys_reboot, %o0, %o1)
60 SIGN1(sys32_setitimer, compat_sys_setitimer, %o0)
61 SIGN1(sys32_getitimer, compat_sys_getitimer, %o0)
62 SIGN1(sys32_sethostname, sys_sethostname, %o1)
63 SIGN1(sys32_swapon, sys_swapon, %o1)
64 SIGN1(sys32_sigaction, compat_sys_sigaction, %o0)
65 SIGN1(sys32_rt_sigaction, compat_sys_rt_sigaction, %o0)
66 SIGN1(sys32_sigprocmask, compat_sys_sigprocmask, %o0)
67 SIGN1(sys32_rt_sigprocmask, compat_sys_rt_sigprocmask, %o0)
68 SIGN2(sys32_rt_sigqueueinfo, compat_sys_rt_sigqueueinfo, %o0, %o1)
69 SIGN1(sys32_getrusage, compat_sys_getrusage, %o0)
70 SIGN1(sys32_setxattr, sys_setxattr, %o4)
71 SIGN1(sys32_lsetxattr, sys_lsetxattr, %o4)
72 SIGN1(sys32_fsetxattr, sys_fsetxattr, %o4)
73 SIGN1(sys32_fgetxattr, sys_fgetxattr, %o0)
74 SIGN1(sys32_flistxattr, sys_flistxattr, %o0)
75 SIGN1(sys32_fremovexattr, sys_fremovexattr, %o0)
76 SIGN2(sys32_tkill, sys_tkill, %o0, %o1)
77 SIGN1(sys32_epoll_create, sys_epoll_create, %o0)
78 SIGN3(sys32_epoll_ctl, sys_epoll_ctl, %o0, %o1, %o2)
79 SIGN3(sys32_epoll_wait, sys_epoll_wait, %o0, %o2, %o3)
80 SIGN1(sys32_readahead, compat_sys_readahead, %o0)
81 SIGN2(sys32_fadvise64, compat_sys_fadvise64, %o0, %o4)
82 SIGN2(sys32_fadvise64_64, compat_sys_fadvise64_64, %o0, %o5)
83 SIGN2(sys32_bdflush, sys_bdflush, %o0, %o1)
84 SIGN1(sys32_mlockall, sys_mlockall, %o0)
85 SIGN1(sys32_nfsservctl, compat_sys_nfsservctl, %o0)
86 SIGN1(sys32_clock_nanosleep, compat_sys_clock_nanosleep, %o1)
87 SIGN1(sys32_timer_settime, compat_sys_timer_settime, %o1)
88 SIGN1(sys32_io_submit, compat_sys_io_submit, %o1)
89 SIGN1(sys32_mq_open, compat_sys_mq_open, %o1)
90 SIGN1(sys32_select, compat_sys_select, %o0)
91 SIGN1(sys32_mkdir, sys_mkdir, %o1)
92 SIGN3(sys32_futex, compat_sys_futex, %o1, %o2, %o5)
93 SIGN1(sys32_sysfs, compat_sys_sysfs, %o0)
94 SIGN2(sys32_sendfile, compat_sys_sendfile, %o0, %o1)
95 SIGN2(sys32_sendfile64, compat_sys_sendfile64, %o0, %o1)
96 SIGN1(sys32_prctl, sys_prctl, %o0)
97 SIGN1(sys32_sched_rr_get_interval, compat_sys_sched_rr_get_interval, %o0)
98 SIGN2(sys32_waitpid, sys_waitpid, %o0, %o2)
99 SIGN1(sys32_getgroups, sys_getgroups, %o0)
100 SIGN1(sys32_getpgid, sys_getpgid, %o0)
101 SIGN2(sys32_getpriority, sys_getpriority, %o0, %o1)
102 SIGN1(sys32_getsid, sys_getsid, %o0)
103 SIGN2(sys32_kill, sys_kill, %o0, %o1)
104 SIGN1(sys32_nice, sys_nice, %o0)
105 SIGN1(sys32_lseek, sys_lseek, %o1)
106 SIGN2(sys32_open, sparc32_open, %o1, %o2)
107 SIGN1(sys32_readlink, sys_readlink, %o2)
108 SIGN1(sys32_sched_get_priority_max, sys_sched_get_priority_max, %o0)
109 SIGN1(sys32_sched_get_priority_min, sys_sched_get_priority_min, %o0)
110 SIGN1(sys32_sched_getparam, sys_sched_getparam, %o0)
111 SIGN1(sys32_sched_getscheduler, sys_sched_getscheduler, %o0)
112 SIGN1(sys32_sched_setparam, sys_sched_setparam, %o0)
113 SIGN2(sys32_sched_setscheduler, sys_sched_setscheduler, %o0, %o1)
114 SIGN1(sys32_getdomainname, sys_getdomainname, %o1)
115 SIGN1(sys32_setdomainname, sys_setdomainname, %o1)
116 SIGN1(sys32_setgroups, sys_setgroups, %o0)
117 SIGN2(sys32_setpgid, sys_setpgid, %o0, %o1)
118 SIGN3(sys32_setpriority, sys_setpriority, %o0, %o1, %o2)
119 SIGN1(sys32_ssetmask, sys_ssetmask, %o0)
120 SIGN2(sys32_syslog, sys_syslog, %o0, %o2)
121 SIGN1(sys32_umask, sys_umask, %o0)
122 SIGN3(sys32_tgkill, sys_tgkill, %o0, %o1, %o2)
123 SIGN1(sys32_sendto, sys_sendto, %o0)
124 SIGN1(sys32_recvfrom, sys_recvfrom, %o0)
125 SIGN3(sys32_socket, sys_socket, %o0, %o1, %o2)
126 SIGN2(sys32_connect, sys_connect, %o0, %o2)
127 SIGN2(sys32_bind, sys_bind, %o0, %o2)
128 SIGN2(sys32_listen, sys_listen, %o0, %o1)
129 SIGN1(sys32_recvmsg, compat_sys_recvmsg, %o0)
130 SIGN1(sys32_sendmsg, compat_sys_sendmsg, %o0)
131 SIGN2(sys32_shutdown, sys_shutdown, %o0, %o1)
132 SIGN3(sys32_socketpair, sys_socketpair, %o0, %o1, %o2)
133 SIGN1(sys32_getpeername, sys_getpeername, %o0)
134 SIGN1(sys32_getsockname, sys_getsockname, %o0)
135 SIGN2(sys32_ioprio_get, sys_ioprio_get, %o0, %o1)
136 SIGN3(sys32_ioprio_set, sys_ioprio_set, %o0, %o1, %o2)
137 SIGN2(sys32_splice, sys_splice, %o0, %o1)
138 SIGN2(sys32_sync_file_range, compat_sync_file_range, %o0, %o5)
139 SIGN2(sys32_tee, sys_tee, %o0, %o1)
140 SIGN1(sys32_vmsplice, compat_sys_vmsplice, %o0)
144 sethi %hi(sys_mmap), %g1
145 jmpl %g1 + %lo(sys_mmap), %g0
149 .globl sys32_socketcall
150 sys32_socketcall: /* %o0=call, %o1=args */
152 bl,pn %xcc, do_einval
154 bg,pn %xcc, do_einval
157 sethi %hi(__socketcall_table_begin), %g2
158 or %g2, %lo(__socketcall_table_begin), %g2
166 __socketcall_table_begin:
168 /* Each entry is exactly 32 bytes. */
169 do_sys_socket: /* sys_socket(int, int, int) */
170 1: ldswa [%o1 + 0x0] %asi, %o0
171 sethi %hi(sys_socket), %g1
172 2: ldswa [%o1 + 0x8] %asi, %o2
173 jmpl %g1 + %lo(sys_socket), %g0
174 3: ldswa [%o1 + 0x4] %asi, %o1
178 do_sys_bind: /* sys_bind(int fd, struct sockaddr *, int) */
179 4: ldswa [%o1 + 0x0] %asi, %o0
180 sethi %hi(sys_bind), %g1
181 5: ldswa [%o1 + 0x8] %asi, %o2
182 jmpl %g1 + %lo(sys_bind), %g0
183 6: lduwa [%o1 + 0x4] %asi, %o1
187 do_sys_connect: /* sys_connect(int, struct sockaddr *, int) */
188 7: ldswa [%o1 + 0x0] %asi, %o0
189 sethi %hi(sys_connect), %g1
190 8: ldswa [%o1 + 0x8] %asi, %o2
191 jmpl %g1 + %lo(sys_connect), %g0
192 9: lduwa [%o1 + 0x4] %asi, %o1
196 do_sys_listen: /* sys_listen(int, int) */
197 10: ldswa [%o1 + 0x0] %asi, %o0
198 sethi %hi(sys_listen), %g1
199 jmpl %g1 + %lo(sys_listen), %g0
200 11: ldswa [%o1 + 0x4] %asi, %o1
205 do_sys_accept: /* sys_accept(int, struct sockaddr *, int *) */
206 12: ldswa [%o1 + 0x0] %asi, %o0
207 sethi %hi(sys_accept), %g1
208 13: lduwa [%o1 + 0x8] %asi, %o2
209 jmpl %g1 + %lo(sys_accept), %g0
210 14: lduwa [%o1 + 0x4] %asi, %o1
214 do_sys_getsockname: /* sys_getsockname(int, struct sockaddr *, int *) */
215 15: ldswa [%o1 + 0x0] %asi, %o0
216 sethi %hi(sys_getsockname), %g1
217 16: lduwa [%o1 + 0x8] %asi, %o2
218 jmpl %g1 + %lo(sys_getsockname), %g0
219 17: lduwa [%o1 + 0x4] %asi, %o1
223 do_sys_getpeername: /* sys_getpeername(int, struct sockaddr *, int *) */
224 18: ldswa [%o1 + 0x0] %asi, %o0
225 sethi %hi(sys_getpeername), %g1
226 19: lduwa [%o1 + 0x8] %asi, %o2
227 jmpl %g1 + %lo(sys_getpeername), %g0
228 20: lduwa [%o1 + 0x4] %asi, %o1
232 do_sys_socketpair: /* sys_socketpair(int, int, int, int *) */
233 21: ldswa [%o1 + 0x0] %asi, %o0
234 sethi %hi(sys_socketpair), %g1
235 22: ldswa [%o1 + 0x8] %asi, %o2
236 23: lduwa [%o1 + 0xc] %asi, %o3
237 jmpl %g1 + %lo(sys_socketpair), %g0
238 24: ldswa [%o1 + 0x4] %asi, %o1
241 do_sys_send: /* sys_send(int, void *, size_t, unsigned int) */
242 25: ldswa [%o1 + 0x0] %asi, %o0
243 sethi %hi(sys_send), %g1
244 26: lduwa [%o1 + 0x8] %asi, %o2
245 27: lduwa [%o1 + 0xc] %asi, %o3
246 jmpl %g1 + %lo(sys_send), %g0
247 28: lduwa [%o1 + 0x4] %asi, %o1
250 do_sys_recv: /* sys_recv(int, void *, size_t, unsigned int) */
251 29: ldswa [%o1 + 0x0] %asi, %o0
252 sethi %hi(sys_recv), %g1
253 30: lduwa [%o1 + 0x8] %asi, %o2
254 31: lduwa [%o1 + 0xc] %asi, %o3
255 jmpl %g1 + %lo(sys_recv), %g0
256 32: lduwa [%o1 + 0x4] %asi, %o1
259 do_sys_sendto: /* sys_sendto(int, u32, compat_size_t, unsigned int, u32, int) */
260 33: ldswa [%o1 + 0x0] %asi, %o0
261 sethi %hi(sys_sendto), %g1
262 34: lduwa [%o1 + 0x8] %asi, %o2
263 35: lduwa [%o1 + 0xc] %asi, %o3
264 36: lduwa [%o1 + 0x10] %asi, %o4
265 37: ldswa [%o1 + 0x14] %asi, %o5
266 jmpl %g1 + %lo(sys_sendto), %g0
267 38: lduwa [%o1 + 0x4] %asi, %o1
268 do_sys_recvfrom: /* sys_recvfrom(int, u32, compat_size_t, unsigned int, u32, u32) */
269 39: ldswa [%o1 + 0x0] %asi, %o0
270 sethi %hi(sys_recvfrom), %g1
271 40: lduwa [%o1 + 0x8] %asi, %o2
272 41: lduwa [%o1 + 0xc] %asi, %o3
273 42: lduwa [%o1 + 0x10] %asi, %o4
274 43: lduwa [%o1 + 0x14] %asi, %o5
275 jmpl %g1 + %lo(sys_recvfrom), %g0
276 44: lduwa [%o1 + 0x4] %asi, %o1
277 do_sys_shutdown: /* sys_shutdown(int, int) */
278 45: ldswa [%o1 + 0x0] %asi, %o0
279 sethi %hi(sys_shutdown), %g1
280 jmpl %g1 + %lo(sys_shutdown), %g0
281 46: ldswa [%o1 + 0x4] %asi, %o1
286 do_sys_setsockopt: /* compat_sys_setsockopt(int, int, int, char *, int) */
287 47: ldswa [%o1 + 0x0] %asi, %o0
288 sethi %hi(compat_sys_setsockopt), %g1
289 48: ldswa [%o1 + 0x8] %asi, %o2
290 49: lduwa [%o1 + 0xc] %asi, %o3
291 50: ldswa [%o1 + 0x10] %asi, %o4
292 jmpl %g1 + %lo(compat_sys_setsockopt), %g0
293 51: ldswa [%o1 + 0x4] %asi, %o1
295 do_sys_getsockopt: /* compat_sys_getsockopt(int, int, int, u32, u32) */
296 52: ldswa [%o1 + 0x0] %asi, %o0
297 sethi %hi(compat_sys_getsockopt), %g1
298 53: ldswa [%o1 + 0x8] %asi, %o2
299 54: lduwa [%o1 + 0xc] %asi, %o3
300 55: lduwa [%o1 + 0x10] %asi, %o4
301 jmpl %g1 + %lo(compat_sys_getsockopt), %g0
302 56: ldswa [%o1 + 0x4] %asi, %o1
304 do_sys_sendmsg: /* compat_sys_sendmsg(int, struct compat_msghdr *, unsigned int) */
305 57: ldswa [%o1 + 0x0] %asi, %o0
306 sethi %hi(compat_sys_sendmsg), %g1
307 58: lduwa [%o1 + 0x8] %asi, %o2
308 jmpl %g1 + %lo(compat_sys_sendmsg), %g0
309 59: lduwa [%o1 + 0x4] %asi, %o1
313 do_sys_recvmsg: /* compat_sys_recvmsg(int, struct compat_msghdr *, unsigned int) */
314 60: ldswa [%o1 + 0x0] %asi, %o0
315 sethi %hi(compat_sys_recvmsg), %g1
316 61: lduwa [%o1 + 0x8] %asi, %o2
317 jmpl %g1 + %lo(compat_sys_recvmsg), %g0
318 62: lduwa [%o1 + 0x4] %asi, %o1
322 do_sys_accept4: /* sys_accept4(int, struct sockaddr *, int *, int) */
323 63: ldswa [%o1 + 0x0] %asi, %o0
324 sethi %hi(sys_accept4), %g1
325 64: lduwa [%o1 + 0x8] %asi, %o2
326 65: ldswa [%o1 + 0xc] %asi, %o3
327 jmpl %g1 + %lo(sys_accept4), %g0
328 66: lduwa [%o1 + 0x4] %asi, %o1
332 .section __ex_table,"a"
334 .word 1b, __retl_efault, 2b, __retl_efault
335 .word 3b, __retl_efault, 4b, __retl_efault
336 .word 5b, __retl_efault, 6b, __retl_efault
337 .word 7b, __retl_efault, 8b, __retl_efault
338 .word 9b, __retl_efault, 10b, __retl_efault
339 .word 11b, __retl_efault, 12b, __retl_efault
340 .word 13b, __retl_efault, 14b, __retl_efault
341 .word 15b, __retl_efault, 16b, __retl_efault
342 .word 17b, __retl_efault, 18b, __retl_efault
343 .word 19b, __retl_efault, 20b, __retl_efault
344 .word 21b, __retl_efault, 22b, __retl_efault
345 .word 23b, __retl_efault, 24b, __retl_efault
346 .word 25b, __retl_efault, 26b, __retl_efault
347 .word 27b, __retl_efault, 28b, __retl_efault
348 .word 29b, __retl_efault, 30b, __retl_efault
349 .word 31b, __retl_efault, 32b, __retl_efault
350 .word 33b, __retl_efault, 34b, __retl_efault
351 .word 35b, __retl_efault, 36b, __retl_efault
352 .word 37b, __retl_efault, 38b, __retl_efault
353 .word 39b, __retl_efault, 40b, __retl_efault
354 .word 41b, __retl_efault, 42b, __retl_efault
355 .word 43b, __retl_efault, 44b, __retl_efault
356 .word 45b, __retl_efault, 46b, __retl_efault
357 .word 47b, __retl_efault, 48b, __retl_efault
358 .word 49b, __retl_efault, 50b, __retl_efault
359 .word 51b, __retl_efault, 52b, __retl_efault
360 .word 53b, __retl_efault, 54b, __retl_efault
361 .word 55b, __retl_efault, 56b, __retl_efault
362 .word 57b, __retl_efault, 58b, __retl_efault
363 .word 59b, __retl_efault, 60b, __retl_efault
364 .word 61b, __retl_efault, 62b, __retl_efault
365 .word 63b, __retl_efault, 64b, __retl_efault
366 .word 65b, __retl_efault, 66b, __retl_efault