arch/avr32/kernel/syscall-stubs.S

   1 /*
   2  * Copyright (C) 2005-2006 Atmel Corporation
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License version 2 as
   6  * published by the Free Software Foundation.
   7  */
   8
   9 /*
  10  * Stubs for syscalls that require access to pt_regs or that take more
  11  * than five parameters.
  12  */
  13
  14 #define ARG6    r3
  15
  16         .text
  17         .global __sys_rt_sigsuspend
  18         .type   __sys_rt_sigsuspend,@function
  19 __sys_rt_sigsuspend:
  20         mov     r10, sp
  21         rjmp    sys_rt_sigsuspend
  22
  23         .global __sys_rt_sigreturn
  24         .type   __sys_rt_sigreturn,@function
  25 __sys_rt_sigreturn:
  26         mov     r12, sp
  27         rjmp    sys_rt_sigreturn
  28
  29         .global __sys_mmap2
  30         .type   __sys_mmap2,@function
  31 __sys_mmap2:
  32         pushm   lr
  33         st.w    --sp, ARG6
  34         call    sys_mmap_pgoff
  35         sub     sp, -4
  36         popm    pc
  37
  38         .global __sys_sendto
  39         .type   __sys_sendto,@function
  40 __sys_sendto:
  41         pushm   lr
  42         st.w    --sp, ARG6
  43         call    sys_sendto
  44         sub     sp, -4
  45         popm    pc
  46
  47         .global __sys_recvfrom
  48         .type   __sys_recvfrom,@function
  49 __sys_recvfrom:
  50         pushm   lr
  51         st.w    --sp, ARG6
  52         call    sys_recvfrom
  53         sub     sp, -4
  54         popm    pc
  55
  56         .global __sys_pselect6
  57         .type   __sys_pselect6,@function
  58 __sys_pselect6:
  59         pushm   lr
  60         st.w    --sp, ARG6
  61         call    sys_pselect6
  62         sub     sp, -4
  63         popm    pc
  64
  65         .global __sys_splice
  66         .type   __sys_splice,@function
  67 __sys_splice:
  68         pushm   lr
  69         st.w    --sp, ARG6
  70         call    sys_splice
  71         sub     sp, -4
  72         popm    pc
  73
  74         .global __sys_epoll_pwait
  75         .type   __sys_epoll_pwait,@function
  76 __sys_epoll_pwait:
  77         pushm   lr
  78         st.w    --sp, ARG6
  79         call    sys_epoll_pwait
  80         sub     sp, -4
  81         popm    pc
  82
  83         .global __sys_sync_file_range
  84         .type   __sys_sync_file_range,@function
  85 __sys_sync_file_range:
  86         pushm   lr
  87         st.w    --sp, ARG6
  88         call    sys_sync_file_range
  89         sub     sp, -4
  90         popm    pc
  91
  92         .global __sys_fallocate
  93         .type   __sys_fallocate,@function
  94 __sys_fallocate:
  95         pushm   lr
  96         st.w    --sp, ARG6
  97         call    sys_fallocate
  98         sub     sp, -4
  99         popm    pc
 100
 101         .global __sys_fanotify_mark
 102         .type   __sys_fanotify_mark,@function
 103 __sys_fanotify_mark:
 104         pushm   lr
 105         st.w    --sp, ARG6
 106         call    sys_fanotify_mark
 107         sub     sp, -4
 108         popm    pc
 109
 110         .global __sys_process_vm_readv
 111         .type   __sys_process_vm_readv,@function
 112 __sys_process_vm_readv:
 113         pushm   lr
 114         st.w    --sp, ARG6
 115         call    sys_process_vm_readv
 116         sub     sp, -4
 117         popm    pc
 118
 119         .global __sys_process_vm_writev
 120         .type   __sys_process_vm_writev,@function
 121 __sys_process_vm_writev:
 122         pushm   lr
 123         st.w    --sp, ARG6
 124         call    sys_process_vm_writev
 125         sub     sp, -4
 126         popm    pc
 127
 128         .global __sys_copy_file_range
 129         .type   __sys_copy_file_range,@function
 130 __sys_copy_file_range:
 131         pushm   lr
 132         st.w    --sp, ARG6
 133         call    sys_copy_file_range
 134         sub     sp, -4
 135         popm    pc
 136
 137         .global __sys_preadv2
 138         .type   __sys_preadv2,@function
 139 __sys_preadv2:
 140         pushm   lr
 141         st.w    --sp, ARG6
 142         call    sys_preadv2
 143         sub     sp, -4
 144         popm    pc
 145
 146         .global __sys_pwritev2
 147         .type   __sys_pwritev2,@function
 148 __sys_pwritev2:
 149         pushm   lr
 150         st.w    --sp, ARG6
 151         call    sys_pwritev2
 152         sub     sp, -4
 153         popm    pc