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_sigaltstack
  24         .type   __sys_sigaltstack,@function
  25 __sys_sigaltstack:
  26         mov     r10, sp
  27         rjmp    sys_sigaltstack
  28
  29         .global __sys_rt_sigreturn
  30         .type   __sys_rt_sigreturn,@function
  31 __sys_rt_sigreturn:
  32         mov     r12, sp
  33         rjmp    sys_rt_sigreturn
  34
  35         .global __sys_fork
  36         .type   __sys_fork,@function
  37 __sys_fork:
  38         mov     r12, sp
  39         rjmp    sys_fork
  40
  41         .global __sys_clone
  42         .type   __sys_clone,@function
  43 __sys_clone:
  44         mov     r8, sp
  45         rjmp    sys_clone
  46
  47         .global __sys_vfork
  48         .type   __sys_vfork,@function
  49 __sys_vfork:
  50         mov     r12, sp
  51         rjmp    sys_vfork
  52
  53         .global __sys_execve
  54         .type   __sys_execve,@function
  55 __sys_execve:
  56         mov     r9, sp
  57         rjmp    sys_execve
  58
  59         .global __sys_mmap2
  60         .type   __sys_mmap2,@function
  61 __sys_mmap2:
  62         pushm   lr
  63         st.w    --sp, ARG6
  64         rcall   sys_mmap2
  65         sub     sp, -4
  66         popm    pc
  67
  68         .global __sys_sendto
  69         .type   __sys_sendto,@function
  70 __sys_sendto:
  71         pushm   lr
  72         st.w    --sp, ARG6
  73         rcall   sys_sendto
  74         sub     sp, -4
  75         popm    pc
  76
  77         .global __sys_recvfrom
  78         .type   __sys_recvfrom,@function
  79 __sys_recvfrom:
  80         pushm   lr
  81         st.w    --sp, ARG6
  82         rcall   sys_recvfrom
  83         sub     sp, -4
  84         popm    pc
  85
  86         .global __sys_pselect6
  87         .type   __sys_pselect6,@function
  88 __sys_pselect6:
  89         pushm   lr
  90         st.w    --sp, ARG6
  91         rcall   sys_pselect6
  92         sub     sp, -4
  93         popm    pc
  94
  95         .global __sys_splice
  96         .type   __sys_splice,@function
  97 __sys_splice:
  98         pushm   lr
  99         st.w    --sp, ARG6
 100         rcall   sys_splice
 101         sub     sp, -4
 102         popm    pc
 103
 104         .global __sys_epoll_pwait
 105         .type   __sys_epoll_pwait,@function
 106 __sys_epoll_pwait:
 107         pushm   lr
 108         st.w    --sp, ARG6
 109         rcall   sys_epoll_pwait
 110         sub     sp, -4
 111         popm    pc