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b00dc837 1/*
1da177e4
LT
2 * sys32.S: I-cache tricks for 32-bit compatibility layer simple
3 * conversions.
4 *
5 * Copyright (C) 1997 David S. Miller (davem@caip.rutgers.edu)
6 * Copyright (C) 1998 Jakub Jelinek (jj@ultra.linux.cz)
7 */
8
1da177e4
LT
9#include <asm/errno.h>
10
11/* NOTE: call as jump breaks return stack, we have to avoid that */
12
13 .text
14
15#define SIGN1(STUB,SYSCALL,REG1) \
16 .align 32; \
17 .globl STUB; \
18STUB: sethi %hi(SYSCALL), %g1; \
19 jmpl %g1 + %lo(SYSCALL), %g0; \
20 sra REG1, 0, REG1
21
22#define SIGN2(STUB,SYSCALL,REG1,REG2) \
23 .align 32; \
24 .globl STUB; \
25STUB: sethi %hi(SYSCALL), %g1; \
26 sra REG1, 0, REG1; \
27 jmpl %g1 + %lo(SYSCALL), %g0; \
28 sra REG2, 0, REG2
29
30#define SIGN3(STUB,SYSCALL,REG1,REG2,REG3) \
31 .align 32; \
32 .globl STUB; \
33STUB: sra REG1, 0, REG1; \
34 sethi %hi(SYSCALL), %g1; \
35 sra REG2, 0, REG2; \
36 jmpl %g1 + %lo(SYSCALL), %g0; \
37 sra REG3, 0, REG3
38
39#define SIGN4(STUB,SYSCALL,REG1,REG2,REG3,REG4) \
40 .align 32; \
41 .globl STUB; \
42STUB: sra REG1, 0, REG1; \
43 sethi %hi(SYSCALL), %g1; \
44 sra REG2, 0, REG2; \
45 sra REG3, 0, REG3; \
46 jmpl %g1 + %lo(SYSCALL), %g0; \
47 sra REG4, 0, REG4
48
49SIGN1(sys32_exit, sparc_exit, %o0)
50SIGN1(sys32_exit_group, sys_exit_group, %o0)
51SIGN1(sys32_wait4, compat_sys_wait4, %o2)
52SIGN1(sys32_creat, sys_creat, %o1)
53SIGN1(sys32_mknod, sys_mknod, %o1)
54SIGN1(sys32_perfctr, sys_perfctr, %o0)
55SIGN1(sys32_umount, sys_umount, %o1)
56SIGN1(sys32_signal, sys_signal, %o0)
57SIGN1(sys32_access, sys_access, %o1)
58SIGN1(sys32_msync, sys_msync, %o2)
59SIGN2(sys32_reboot, sys_reboot, %o0, %o1)
60SIGN1(sys32_setitimer, compat_sys_setitimer, %o0)
61SIGN1(sys32_getitimer, compat_sys_getitimer, %o0)
62SIGN1(sys32_sethostname, sys_sethostname, %o1)
63SIGN1(sys32_swapon, sys_swapon, %o1)
64SIGN1(sys32_sigaction, compat_sys_sigaction, %o0)
65SIGN1(sys32_rt_sigaction, compat_sys_rt_sigaction, %o0)
66SIGN1(sys32_sigprocmask, compat_sys_sigprocmask, %o0)
67SIGN1(sys32_rt_sigprocmask, compat_sys_rt_sigprocmask, %o0)
68SIGN2(sys32_rt_sigqueueinfo, compat_sys_rt_sigqueueinfo, %o0, %o1)
69SIGN1(sys32_getrusage, compat_sys_getrusage, %o0)
70SIGN1(sys32_setxattr, sys_setxattr, %o4)
71SIGN1(sys32_lsetxattr, sys_lsetxattr, %o4)
72SIGN1(sys32_fsetxattr, sys_fsetxattr, %o4)
73SIGN1(sys32_fgetxattr, sys_fgetxattr, %o0)
74SIGN1(sys32_flistxattr, sys_flistxattr, %o0)
75SIGN1(sys32_fremovexattr, sys_fremovexattr, %o0)
76SIGN2(sys32_tkill, sys_tkill, %o0, %o1)
77SIGN1(sys32_epoll_create, sys_epoll_create, %o0)
78SIGN3(sys32_epoll_ctl, sys_epoll_ctl, %o0, %o1, %o2)
79SIGN3(sys32_epoll_wait, sys_epoll_wait, %o0, %o2, %o3)
80SIGN1(sys32_readahead, compat_sys_readahead, %o0)
81SIGN2(sys32_fadvise64, compat_sys_fadvise64, %o0, %o4)
82SIGN2(sys32_fadvise64_64, compat_sys_fadvise64_64, %o0, %o5)
83SIGN2(sys32_bdflush, sys_bdflush, %o0, %o1)
84SIGN1(sys32_mlockall, sys_mlockall, %o0)
85SIGN1(sys32_nfsservctl, compat_sys_nfsservctl, %o0)
1da177e4
LT
86SIGN1(sys32_clock_nanosleep, compat_sys_clock_nanosleep, %o1)
87SIGN1(sys32_timer_settime, compat_sys_timer_settime, %o1)
88SIGN1(sys32_io_submit, compat_sys_io_submit, %o1)
89SIGN1(sys32_mq_open, compat_sys_mq_open, %o1)
90SIGN1(sys32_select, compat_sys_select, %o0)
91SIGN1(sys32_mkdir, sys_mkdir, %o1)
92SIGN3(sys32_futex, compat_sys_futex, %o1, %o2, %o5)
93SIGN1(sys32_sysfs, compat_sys_sysfs, %o0)
1da177e4
LT
94SIGN2(sys32_sendfile, compat_sys_sendfile, %o0, %o1)
95SIGN2(sys32_sendfile64, compat_sys_sendfile64, %o0, %o1)
96SIGN1(sys32_prctl, sys_prctl, %o0)
97SIGN1(sys32_sched_rr_get_interval, compat_sys_sched_rr_get_interval, %o0)
98SIGN2(sys32_waitpid, sys_waitpid, %o0, %o2)
99SIGN1(sys32_getgroups, sys_getgroups, %o0)
100SIGN1(sys32_getpgid, sys_getpgid, %o0)
101SIGN2(sys32_getpriority, sys_getpriority, %o0, %o1)
102SIGN1(sys32_getsid, sys_getsid, %o0)
103SIGN2(sys32_kill, sys_kill, %o0, %o1)
104SIGN1(sys32_nice, sys_nice, %o0)
105SIGN1(sys32_lseek, sys_lseek, %o1)
106SIGN2(sys32_open, sparc32_open, %o1, %o2)
107SIGN1(sys32_readlink, sys_readlink, %o2)
108SIGN1(sys32_sched_get_priority_max, sys_sched_get_priority_max, %o0)
109SIGN1(sys32_sched_get_priority_min, sys_sched_get_priority_min, %o0)
110SIGN1(sys32_sched_getparam, sys_sched_getparam, %o0)
111SIGN1(sys32_sched_getscheduler, sys_sched_getscheduler, %o0)
112SIGN1(sys32_sched_setparam, sys_sched_setparam, %o0)
113SIGN2(sys32_sched_setscheduler, sys_sched_setscheduler, %o0, %o1)
114SIGN1(sys32_getdomainname, sys_getdomainname, %o1)
115SIGN1(sys32_setdomainname, sys_setdomainname, %o1)
116SIGN1(sys32_setgroups, sys_setgroups, %o0)
117SIGN2(sys32_setpgid, sys_setpgid, %o0, %o1)
118SIGN3(sys32_setpriority, sys_setpriority, %o0, %o1, %o2)
119SIGN1(sys32_ssetmask, sys_ssetmask, %o0)
120SIGN2(sys32_syslog, sys_syslog, %o0, %o2)
121SIGN1(sys32_umask, sys_umask, %o0)
122SIGN3(sys32_tgkill, sys_tgkill, %o0, %o1, %o2)
123SIGN1(sys32_sendto, sys_sendto, %o0)
124SIGN1(sys32_recvfrom, sys_recvfrom, %o0)
125SIGN3(sys32_socket, sys_socket, %o0, %o1, %o2)
126SIGN2(sys32_connect, sys_connect, %o0, %o2)
127SIGN2(sys32_bind, sys_bind, %o0, %o2)
128SIGN2(sys32_listen, sys_listen, %o0, %o1)
129SIGN1(sys32_recvmsg, compat_sys_recvmsg, %o0)
130SIGN1(sys32_sendmsg, compat_sys_sendmsg, %o0)
131SIGN2(sys32_shutdown, sys_shutdown, %o0, %o1)
132SIGN3(sys32_socketpair, sys_socketpair, %o0, %o1, %o2)
133SIGN1(sys32_getpeername, sys_getpeername, %o0)
134SIGN1(sys32_getsockname, sys_getsockname, %o0)
9126dfde
DM
135SIGN2(sys32_ioprio_get, sys_ioprio_get, %o0, %o1)
136SIGN3(sys32_ioprio_set, sys_ioprio_set, %o0, %o1, %o2)
1339713a 137SIGN2(sys32_splice, sys_splice, %o0, %o1)
289eee6f 138SIGN2(sys32_sync_file_range, compat_sync_file_range, %o0, %o5)
5fdef394 139SIGN2(sys32_tee, sys_tee, %o0, %o1)
8c45112b 140SIGN1(sys32_vmsplice, compat_sys_vmsplice, %o0)
9a926d86
DM
141SIGN1(sys32_truncate, sys_truncate, %o1)
142SIGN1(sys32_ftruncate, sys_ftruncate, %o1)
1da177e4
LT
143
144 .globl sys32_mmap2
145sys32_mmap2:
146 sethi %hi(sys_mmap), %g1
147 jmpl %g1 + %lo(sys_mmap), %g0
148 sllx %o5, 12, %o5
149
150 .align 32
151 .globl sys32_socketcall
152sys32_socketcall: /* %o0=call, %o1=args */
153 cmp %o0, 1
154 bl,pn %xcc, do_einval
f8b2256e 155 cmp %o0, 18
1da177e4
LT
156 bg,pn %xcc, do_einval
157 sub %o0, 1, %o0
158 sllx %o0, 5, %o0
159 sethi %hi(__socketcall_table_begin), %g2
160 or %g2, %lo(__socketcall_table_begin), %g2
161 jmpl %g2 + %o0, %g0
162 nop
5fd29752
DM
163do_einval:
164 retl
165 mov -EINVAL, %o0
1da177e4 166
1da177e4
LT
167 .align 32
168__socketcall_table_begin:
8cf14af0
DM
169
170 /* Each entry is exactly 32 bytes. */
1da177e4 171do_sys_socket: /* sys_socket(int, int, int) */
8cf14af0 1721: ldswa [%o1 + 0x0] %asi, %o0
1da177e4 173 sethi %hi(sys_socket), %g1
8cf14af0 1742: ldswa [%o1 + 0x8] %asi, %o2
1da177e4 175 jmpl %g1 + %lo(sys_socket), %g0
8cf14af0 1763: ldswa [%o1 + 0x4] %asi, %o1
1da177e4
LT
177 nop
178 nop
179 nop
180do_sys_bind: /* sys_bind(int fd, struct sockaddr *, int) */
8cf14af0 1814: ldswa [%o1 + 0x0] %asi, %o0
1da177e4 182 sethi %hi(sys_bind), %g1
8cf14af0 1835: ldswa [%o1 + 0x8] %asi, %o2
1da177e4 184 jmpl %g1 + %lo(sys_bind), %g0
8cf14af0 1856: lduwa [%o1 + 0x4] %asi, %o1
1da177e4
LT
186 nop
187 nop
188 nop
189do_sys_connect: /* sys_connect(int, struct sockaddr *, int) */
8cf14af0 1907: ldswa [%o1 + 0x0] %asi, %o0
1da177e4 191 sethi %hi(sys_connect), %g1
8cf14af0 1928: ldswa [%o1 + 0x8] %asi, %o2
1da177e4 193 jmpl %g1 + %lo(sys_connect), %g0
8cf14af0 1949: lduwa [%o1 + 0x4] %asi, %o1
1da177e4
LT
195 nop
196 nop
197 nop
198do_sys_listen: /* sys_listen(int, int) */
8cf14af0 19910: ldswa [%o1 + 0x0] %asi, %o0
1da177e4
LT
200 sethi %hi(sys_listen), %g1
201 jmpl %g1 + %lo(sys_listen), %g0
8cf14af0 20211: ldswa [%o1 + 0x4] %asi, %o1
1da177e4
LT
203 nop
204 nop
205 nop
206 nop
207do_sys_accept: /* sys_accept(int, struct sockaddr *, int *) */
8cf14af0 20812: ldswa [%o1 + 0x0] %asi, %o0
1da177e4 209 sethi %hi(sys_accept), %g1
8cf14af0 21013: lduwa [%o1 + 0x8] %asi, %o2
1da177e4 211 jmpl %g1 + %lo(sys_accept), %g0
8cf14af0 21214: lduwa [%o1 + 0x4] %asi, %o1
1da177e4
LT
213 nop
214 nop
215 nop
216do_sys_getsockname: /* sys_getsockname(int, struct sockaddr *, int *) */
8cf14af0 21715: ldswa [%o1 + 0x0] %asi, %o0
1da177e4 218 sethi %hi(sys_getsockname), %g1
8cf14af0 21916: lduwa [%o1 + 0x8] %asi, %o2
1da177e4 220 jmpl %g1 + %lo(sys_getsockname), %g0
8cf14af0 22117: lduwa [%o1 + 0x4] %asi, %o1
1da177e4
LT
222 nop
223 nop
224 nop
225do_sys_getpeername: /* sys_getpeername(int, struct sockaddr *, int *) */
8cf14af0 22618: ldswa [%o1 + 0x0] %asi, %o0
1da177e4 227 sethi %hi(sys_getpeername), %g1
8cf14af0 22819: lduwa [%o1 + 0x8] %asi, %o2
1da177e4 229 jmpl %g1 + %lo(sys_getpeername), %g0
8cf14af0 23020: lduwa [%o1 + 0x4] %asi, %o1
1da177e4
LT
231 nop
232 nop
233 nop
234do_sys_socketpair: /* sys_socketpair(int, int, int, int *) */
8cf14af0 23521: ldswa [%o1 + 0x0] %asi, %o0
1da177e4 236 sethi %hi(sys_socketpair), %g1
8cf14af0
DM
23722: ldswa [%o1 + 0x8] %asi, %o2
23823: lduwa [%o1 + 0xc] %asi, %o3
1da177e4 239 jmpl %g1 + %lo(sys_socketpair), %g0
8cf14af0 24024: ldswa [%o1 + 0x4] %asi, %o1
1da177e4
LT
241 nop
242 nop
243do_sys_send: /* sys_send(int, void *, size_t, unsigned int) */
8cf14af0 24425: ldswa [%o1 + 0x0] %asi, %o0
1da177e4 245 sethi %hi(sys_send), %g1
8cf14af0
DM
24626: lduwa [%o1 + 0x8] %asi, %o2
24727: lduwa [%o1 + 0xc] %asi, %o3
1da177e4 248 jmpl %g1 + %lo(sys_send), %g0
8cf14af0 24928: lduwa [%o1 + 0x4] %asi, %o1
1da177e4
LT
250 nop
251 nop
252do_sys_recv: /* sys_recv(int, void *, size_t, unsigned int) */
8cf14af0 25329: ldswa [%o1 + 0x0] %asi, %o0
1da177e4 254 sethi %hi(sys_recv), %g1
8cf14af0
DM
25530: lduwa [%o1 + 0x8] %asi, %o2
25631: lduwa [%o1 + 0xc] %asi, %o3
1da177e4 257 jmpl %g1 + %lo(sys_recv), %g0
8cf14af0 25832: lduwa [%o1 + 0x4] %asi, %o1
1da177e4
LT
259 nop
260 nop
261do_sys_sendto: /* sys_sendto(int, u32, compat_size_t, unsigned int, u32, int) */
8cf14af0 26233: ldswa [%o1 + 0x0] %asi, %o0
1da177e4 263 sethi %hi(sys_sendto), %g1
8cf14af0
DM
26434: lduwa [%o1 + 0x8] %asi, %o2
26535: lduwa [%o1 + 0xc] %asi, %o3
26636: lduwa [%o1 + 0x10] %asi, %o4
26737: ldswa [%o1 + 0x14] %asi, %o5
1da177e4 268 jmpl %g1 + %lo(sys_sendto), %g0
8cf14af0 26938: lduwa [%o1 + 0x4] %asi, %o1
1da177e4 270do_sys_recvfrom: /* sys_recvfrom(int, u32, compat_size_t, unsigned int, u32, u32) */
8cf14af0 27139: ldswa [%o1 + 0x0] %asi, %o0
1da177e4 272 sethi %hi(sys_recvfrom), %g1
8cf14af0
DM
27340: lduwa [%o1 + 0x8] %asi, %o2
27441: lduwa [%o1 + 0xc] %asi, %o3
27542: lduwa [%o1 + 0x10] %asi, %o4
27643: lduwa [%o1 + 0x14] %asi, %o5
1da177e4 277 jmpl %g1 + %lo(sys_recvfrom), %g0
8cf14af0 27844: lduwa [%o1 + 0x4] %asi, %o1
1da177e4 279do_sys_shutdown: /* sys_shutdown(int, int) */
8cf14af0 28045: ldswa [%o1 + 0x0] %asi, %o0
1da177e4
LT
281 sethi %hi(sys_shutdown), %g1
282 jmpl %g1 + %lo(sys_shutdown), %g0
8cf14af0 28346: ldswa [%o1 + 0x4] %asi, %o1
1da177e4
LT
284 nop
285 nop
286 nop
287 nop
288do_sys_setsockopt: /* compat_sys_setsockopt(int, int, int, char *, int) */
8cf14af0 28947: ldswa [%o1 + 0x0] %asi, %o0
1da177e4 290 sethi %hi(compat_sys_setsockopt), %g1
8cf14af0
DM
29148: ldswa [%o1 + 0x8] %asi, %o2
29249: lduwa [%o1 + 0xc] %asi, %o3
29350: ldswa [%o1 + 0x10] %asi, %o4
1da177e4 294 jmpl %g1 + %lo(compat_sys_setsockopt), %g0
8cf14af0 29551: ldswa [%o1 + 0x4] %asi, %o1
1da177e4
LT
296 nop
297do_sys_getsockopt: /* compat_sys_getsockopt(int, int, int, u32, u32) */
8cf14af0 29852: ldswa [%o1 + 0x0] %asi, %o0
1da177e4 299 sethi %hi(compat_sys_getsockopt), %g1
8cf14af0
DM
30053: ldswa [%o1 + 0x8] %asi, %o2
30154: lduwa [%o1 + 0xc] %asi, %o3
30255: lduwa [%o1 + 0x10] %asi, %o4
1da177e4 303 jmpl %g1 + %lo(compat_sys_getsockopt), %g0
8cf14af0 30456: ldswa [%o1 + 0x4] %asi, %o1
1da177e4
LT
305 nop
306do_sys_sendmsg: /* compat_sys_sendmsg(int, struct compat_msghdr *, unsigned int) */
8cf14af0 30757: ldswa [%o1 + 0x0] %asi, %o0
1da177e4 308 sethi %hi(compat_sys_sendmsg), %g1
8cf14af0 30958: lduwa [%o1 + 0x8] %asi, %o2
1da177e4 310 jmpl %g1 + %lo(compat_sys_sendmsg), %g0
8cf14af0 31159: lduwa [%o1 + 0x4] %asi, %o1
1da177e4
LT
312 nop
313 nop
314 nop
315do_sys_recvmsg: /* compat_sys_recvmsg(int, struct compat_msghdr *, unsigned int) */
8cf14af0 31660: ldswa [%o1 + 0x0] %asi, %o0
1da177e4 317 sethi %hi(compat_sys_recvmsg), %g1
8cf14af0 31861: lduwa [%o1 + 0x8] %asi, %o2
1da177e4 319 jmpl %g1 + %lo(compat_sys_recvmsg), %g0
8cf14af0 32062: lduwa [%o1 + 0x4] %asi, %o1
1da177e4
LT
321 nop
322 nop
323 nop
f8b2256e
DM
324do_sys_accept4: /* sys_accept4(int, struct sockaddr *, int *, int) */
32563: ldswa [%o1 + 0x0] %asi, %o0
326 sethi %hi(sys_accept4), %g1
32764: lduwa [%o1 + 0x8] %asi, %o2
32865: ldswa [%o1 + 0xc] %asi, %o3
329 jmpl %g1 + %lo(sys_accept4), %g0
33066: lduwa [%o1 + 0x4] %asi, %o1
331 nop
332 nop
1da177e4 333
4d000d5b 334 .section __ex_table,"a"
1da177e4 335 .align 4
5fd29752
DM
336 .word 1b, __retl_efault, 2b, __retl_efault
337 .word 3b, __retl_efault, 4b, __retl_efault
338 .word 5b, __retl_efault, 6b, __retl_efault
339 .word 7b, __retl_efault, 8b, __retl_efault
340 .word 9b, __retl_efault, 10b, __retl_efault
341 .word 11b, __retl_efault, 12b, __retl_efault
342 .word 13b, __retl_efault, 14b, __retl_efault
343 .word 15b, __retl_efault, 16b, __retl_efault
344 .word 17b, __retl_efault, 18b, __retl_efault
345 .word 19b, __retl_efault, 20b, __retl_efault
346 .word 21b, __retl_efault, 22b, __retl_efault
347 .word 23b, __retl_efault, 24b, __retl_efault
348 .word 25b, __retl_efault, 26b, __retl_efault
349 .word 27b, __retl_efault, 28b, __retl_efault
350 .word 29b, __retl_efault, 30b, __retl_efault
351 .word 31b, __retl_efault, 32b, __retl_efault
352 .word 33b, __retl_efault, 34b, __retl_efault
353 .word 35b, __retl_efault, 36b, __retl_efault
354 .word 37b, __retl_efault, 38b, __retl_efault
355 .word 39b, __retl_efault, 40b, __retl_efault
356 .word 41b, __retl_efault, 42b, __retl_efault
357 .word 43b, __retl_efault, 44b, __retl_efault
358 .word 45b, __retl_efault, 46b, __retl_efault
359 .word 47b, __retl_efault, 48b, __retl_efault
360 .word 49b, __retl_efault, 50b, __retl_efault
361 .word 51b, __retl_efault, 52b, __retl_efault
362 .word 53b, __retl_efault, 54b, __retl_efault
363 .word 55b, __retl_efault, 56b, __retl_efault
364 .word 57b, __retl_efault, 58b, __retl_efault
365 .word 59b, __retl_efault, 60b, __retl_efault
366 .word 61b, __retl_efault, 62b, __retl_efault
f8b2256e
DM
367 .word 63b, __retl_efault, 64b, __retl_efault
368 .word 65b, __retl_efault, 66b, __retl_efault
1da177e4 369 .previous