| /* |
| * 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 |
