123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279 |
- /*
- * sys32.S: I-cache tricks for 32-bit compatibility layer simple
- * conversions.
- *
- * Copyright (C) 1997 David S. Miller (davem@caip.rutgers.edu)
- * Copyright (C) 1998 Jakub Jelinek (jj@ultra.linux.cz)
- */
- #include <asm/errno.h>
- /* NOTE: call as jump breaks return stack, we have to avoid that */
- .text
- #define SIGN1(STUB,SYSCALL,REG1) \
- .align 32; \
- .globl STUB; \
- STUB: sethi %hi(SYSCALL), %g1; \
- jmpl %g1 + %lo(SYSCALL), %g0; \
- sra REG1, 0, REG1
- #define SIGN2(STUB,SYSCALL,REG1,REG2) \
- .align 32; \
- .globl STUB; \
- STUB: sethi %hi(SYSCALL), %g1; \
- sra REG1, 0, REG1; \
- jmpl %g1 + %lo(SYSCALL), %g0; \
- sra REG2, 0, REG2
- #define SIGN3(STUB,SYSCALL,REG1,REG2,REG3) \
- .align 32; \
- .globl STUB; \
- STUB: sra REG1, 0, REG1; \
- sethi %hi(SYSCALL), %g1; \
- sra REG2, 0, REG2; \
- jmpl %g1 + %lo(SYSCALL), %g0; \
- sra REG3, 0, REG3
- SIGN1(sys32_readahead, compat_sys_readahead, %o0)
- SIGN2(sys32_fadvise64, compat_sys_fadvise64, %o0, %o4)
- SIGN2(sys32_fadvise64_64, compat_sys_fadvise64_64, %o0, %o5)
- SIGN1(sys32_clock_nanosleep, compat_sys_clock_nanosleep, %o1)
- SIGN1(sys32_timer_settime, compat_sys_timer_settime, %o1)
- SIGN1(sys32_io_submit, compat_sys_io_submit, %o1)
- SIGN1(sys32_mq_open, compat_sys_mq_open, %o1)
- SIGN1(sys32_select, compat_sys_select, %o0)
- SIGN1(sys32_futex, compat_sys_futex, %o1)
- SIGN1(sys32_recvfrom, compat_sys_recvfrom, %o0)
- SIGN1(sys32_recvmsg, compat_sys_recvmsg, %o0)
- SIGN1(sys32_sendmsg, compat_sys_sendmsg, %o0)
- SIGN2(sys32_renameat2, sys_renameat2, %o0, %o2)
- .globl sys32_mmap2
- sys32_mmap2:
- sethi %hi(sys_mmap), %g1
- jmpl %g1 + %lo(sys_mmap), %g0
- sllx %o5, 12, %o5
- .align 32
- .globl sys32_socketcall
- sys32_socketcall: /* %o0=call, %o1=args */
- cmp %o0, 1
- bl,pn %xcc, do_einval
- cmp %o0, 18
- bg,pn %xcc, do_einval
- sub %o0, 1, %o0
- sllx %o0, 5, %o0
- sethi %hi(__socketcall_table_begin), %g2
- or %g2, %lo(__socketcall_table_begin), %g2
- jmpl %g2 + %o0, %g0
- nop
- do_einval:
- retl
- mov -EINVAL, %o0
- .align 32
- __socketcall_table_begin:
- /* Each entry is exactly 32 bytes. */
- do_sys_socket: /* sys_socket(int, int, int) */
- 1: ldswa [%o1 + 0x0] %asi, %o0
- sethi %hi(sys_socket), %g1
- 2: ldswa [%o1 + 0x8] %asi, %o2
- jmpl %g1 + %lo(sys_socket), %g0
- 3: ldswa [%o1 + 0x4] %asi, %o1
- nop
- nop
- nop
- do_sys_bind: /* sys_bind(int fd, struct sockaddr *, int) */
- 4: ldswa [%o1 + 0x0] %asi, %o0
- sethi %hi(sys_bind), %g1
- 5: ldswa [%o1 + 0x8] %asi, %o2
- jmpl %g1 + %lo(sys_bind), %g0
- 6: lduwa [%o1 + 0x4] %asi, %o1
- nop
- nop
- nop
- do_sys_connect: /* sys_connect(int, struct sockaddr *, int) */
- 7: ldswa [%o1 + 0x0] %asi, %o0
- sethi %hi(sys_connect), %g1
- 8: ldswa [%o1 + 0x8] %asi, %o2
- jmpl %g1 + %lo(sys_connect), %g0
- 9: lduwa [%o1 + 0x4] %asi, %o1
- nop
- nop
- nop
- do_sys_listen: /* sys_listen(int, int) */
- 10: ldswa [%o1 + 0x0] %asi, %o0
- sethi %hi(sys_listen), %g1
- jmpl %g1 + %lo(sys_listen), %g0
- 11: ldswa [%o1 + 0x4] %asi, %o1
- nop
- nop
- nop
- nop
- do_sys_accept: /* sys_accept(int, struct sockaddr *, int *) */
- 12: ldswa [%o1 + 0x0] %asi, %o0
- sethi %hi(sys_accept), %g1
- 13: lduwa [%o1 + 0x8] %asi, %o2
- jmpl %g1 + %lo(sys_accept), %g0
- 14: lduwa [%o1 + 0x4] %asi, %o1
- nop
- nop
- nop
- do_sys_getsockname: /* sys_getsockname(int, struct sockaddr *, int *) */
- 15: ldswa [%o1 + 0x0] %asi, %o0
- sethi %hi(sys_getsockname), %g1
- 16: lduwa [%o1 + 0x8] %asi, %o2
- jmpl %g1 + %lo(sys_getsockname), %g0
- 17: lduwa [%o1 + 0x4] %asi, %o1
- nop
- nop
- nop
- do_sys_getpeername: /* sys_getpeername(int, struct sockaddr *, int *) */
- 18: ldswa [%o1 + 0x0] %asi, %o0
- sethi %hi(sys_getpeername), %g1
- 19: lduwa [%o1 + 0x8] %asi, %o2
- jmpl %g1 + %lo(sys_getpeername), %g0
- 20: lduwa [%o1 + 0x4] %asi, %o1
- nop
- nop
- nop
- do_sys_socketpair: /* sys_socketpair(int, int, int, int *) */
- 21: ldswa [%o1 + 0x0] %asi, %o0
- sethi %hi(sys_socketpair), %g1
- 22: ldswa [%o1 + 0x8] %asi, %o2
- 23: lduwa [%o1 + 0xc] %asi, %o3
- jmpl %g1 + %lo(sys_socketpair), %g0
- 24: ldswa [%o1 + 0x4] %asi, %o1
- nop
- nop
- do_sys_send: /* sys_send(int, void *, size_t, unsigned int) */
- 25: ldswa [%o1 + 0x0] %asi, %o0
- sethi %hi(sys_send), %g1
- 26: lduwa [%o1 + 0x8] %asi, %o2
- 27: lduwa [%o1 + 0xc] %asi, %o3
- jmpl %g1 + %lo(sys_send), %g0
- 28: lduwa [%o1 + 0x4] %asi, %o1
- nop
- nop
- do_sys_recv: /* sys_recv(int, void *, size_t, unsigned int) */
- 29: ldswa [%o1 + 0x0] %asi, %o0
- sethi %hi(sys_recv), %g1
- 30: lduwa [%o1 + 0x8] %asi, %o2
- 31: lduwa [%o1 + 0xc] %asi, %o3
- jmpl %g1 + %lo(sys_recv), %g0
- 32: lduwa [%o1 + 0x4] %asi, %o1
- nop
- nop
- do_sys_sendto: /* sys_sendto(int, u32, compat_size_t, unsigned int, u32, int) */
- 33: ldswa [%o1 + 0x0] %asi, %o0
- sethi %hi(sys_sendto), %g1
- 34: lduwa [%o1 + 0x8] %asi, %o2
- 35: lduwa [%o1 + 0xc] %asi, %o3
- 36: lduwa [%o1 + 0x10] %asi, %o4
- 37: ldswa [%o1 + 0x14] %asi, %o5
- jmpl %g1 + %lo(sys_sendto), %g0
- 38: lduwa [%o1 + 0x4] %asi, %o1
- do_sys_recvfrom: /* sys_recvfrom(int, u32, compat_size_t, unsigned int, u32, u32) */
- 39: ldswa [%o1 + 0x0] %asi, %o0
- sethi %hi(sys_recvfrom), %g1
- 40: lduwa [%o1 + 0x8] %asi, %o2
- 41: lduwa [%o1 + 0xc] %asi, %o3
- 42: lduwa [%o1 + 0x10] %asi, %o4
- 43: lduwa [%o1 + 0x14] %asi, %o5
- jmpl %g1 + %lo(sys_recvfrom), %g0
- 44: lduwa [%o1 + 0x4] %asi, %o1
- do_sys_shutdown: /* sys_shutdown(int, int) */
- 45: ldswa [%o1 + 0x0] %asi, %o0
- sethi %hi(sys_shutdown), %g1
- jmpl %g1 + %lo(sys_shutdown), %g0
- 46: ldswa [%o1 + 0x4] %asi, %o1
- nop
- nop
- nop
- nop
- do_sys_setsockopt: /* compat_sys_setsockopt(int, int, int, char *, int) */
- 47: ldswa [%o1 + 0x0] %asi, %o0
- sethi %hi(compat_sys_setsockopt), %g1
- 48: ldswa [%o1 + 0x8] %asi, %o2
- 49: lduwa [%o1 + 0xc] %asi, %o3
- 50: ldswa [%o1 + 0x10] %asi, %o4
- jmpl %g1 + %lo(compat_sys_setsockopt), %g0
- 51: ldswa [%o1 + 0x4] %asi, %o1
- nop
- do_sys_getsockopt: /* compat_sys_getsockopt(int, int, int, u32, u32) */
- 52: ldswa [%o1 + 0x0] %asi, %o0
- sethi %hi(compat_sys_getsockopt), %g1
- 53: ldswa [%o1 + 0x8] %asi, %o2
- 54: lduwa [%o1 + 0xc] %asi, %o3
- 55: lduwa [%o1 + 0x10] %asi, %o4
- jmpl %g1 + %lo(compat_sys_getsockopt), %g0
- 56: ldswa [%o1 + 0x4] %asi, %o1
- nop
- do_sys_sendmsg: /* compat_sys_sendmsg(int, struct compat_msghdr *, unsigned int) */
- 57: ldswa [%o1 + 0x0] %asi, %o0
- sethi %hi(compat_sys_sendmsg), %g1
- 58: lduwa [%o1 + 0x8] %asi, %o2
- jmpl %g1 + %lo(compat_sys_sendmsg), %g0
- 59: lduwa [%o1 + 0x4] %asi, %o1
- nop
- nop
- nop
- do_sys_recvmsg: /* compat_sys_recvmsg(int, struct compat_msghdr *, unsigned int) */
- 60: ldswa [%o1 + 0x0] %asi, %o0
- sethi %hi(compat_sys_recvmsg), %g1
- 61: lduwa [%o1 + 0x8] %asi, %o2
- jmpl %g1 + %lo(compat_sys_recvmsg), %g0
- 62: lduwa [%o1 + 0x4] %asi, %o1
- nop
- nop
- nop
- do_sys_accept4: /* sys_accept4(int, struct sockaddr *, int *, int) */
- 63: ldswa [%o1 + 0x0] %asi, %o0
- sethi %hi(sys_accept4), %g1
- 64: lduwa [%o1 + 0x8] %asi, %o2
- 65: ldswa [%o1 + 0xc] %asi, %o3
- jmpl %g1 + %lo(sys_accept4), %g0
- 66: lduwa [%o1 + 0x4] %asi, %o1
- nop
- nop
- .section __ex_table,"a"
- .align 4
- .word 1b, __retl_efault, 2b, __retl_efault
- .word 3b, __retl_efault, 4b, __retl_efault
- .word 5b, __retl_efault, 6b, __retl_efault
- .word 7b, __retl_efault, 8b, __retl_efault
- .word 9b, __retl_efault, 10b, __retl_efault
- .word 11b, __retl_efault, 12b, __retl_efault
- .word 13b, __retl_efault, 14b, __retl_efault
- .word 15b, __retl_efault, 16b, __retl_efault
- .word 17b, __retl_efault, 18b, __retl_efault
- .word 19b, __retl_efault, 20b, __retl_efault
- .word 21b, __retl_efault, 22b, __retl_efault
- .word 23b, __retl_efault, 24b, __retl_efault
- .word 25b, __retl_efault, 26b, __retl_efault
- .word 27b, __retl_efault, 28b, __retl_efault
- .word 29b, __retl_efault, 30b, __retl_efault
- .word 31b, __retl_efault, 32b, __retl_efault
- .word 33b, __retl_efault, 34b, __retl_efault
- .word 35b, __retl_efault, 36b, __retl_efault
- .word 37b, __retl_efault, 38b, __retl_efault
- .word 39b, __retl_efault, 40b, __retl_efault
- .word 41b, __retl_efault, 42b, __retl_efault
- .word 43b, __retl_efault, 44b, __retl_efault
- .word 45b, __retl_efault, 46b, __retl_efault
- .word 47b, __retl_efault, 48b, __retl_efault
- .word 49b, __retl_efault, 50b, __retl_efault
- .word 51b, __retl_efault, 52b, __retl_efault
- .word 53b, __retl_efault, 54b, __retl_efault
- .word 55b, __retl_efault, 56b, __retl_efault
- .word 57b, __retl_efault, 58b, __retl_efault
- .word 59b, __retl_efault, 60b, __retl_efault
- .word 61b, __retl_efault, 62b, __retl_efault
- .word 63b, __retl_efault, 64b, __retl_efault
- .word 65b, __retl_efault, 66b, __retl_efault
- .previous
|