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nios2
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bsd-_setjmp.S

bsd-_setjmp.S 1011 B
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  1. /*
    2. 

  2.  * libc/sysdeps/linux/nios2/bsd-_setjmp.S
    3. 

  3.  *
    4. 

  4.  *  Copyright (C) 2004,05,06  Microtronix Datacom Ltd
    5. 

  5.  *
    6. 

  6.  * This file is subject to the terms and conditions of the GNU Lesser
    7. 

  7.  * General Public License.  See the file COPYING.LIB in the main
    8. 

  8.  * directory of this archive for more details.
    9. 

  9.  * 
    10. 

  10.  * Written by Wentao Xu <wentao@microtronix.com>
    11. 

  11.  * 
    12. 

  12.  */
    13. 

  13. 

  14. #define _ASM
    15. 

  15. #define _SETJMP_H
    16. 

  16. #include <bits/setjmp.h>
    17. 

  17. 

  18.    .globl _setjmp
    19. 

  19.    .type  _setjmp,@function
    20. 

  20.    .balign 4
    21. 

  21. 

  22. _setjmp:
    23. 

  23.     stw     r16, (JB_REGS+ 0)(r4)
    24. 

  24.     stw     r17, (JB_REGS+ 4)(r4)
    25. 

  25.     stw     r18, (JB_REGS+ 8)(r4)
    26. 

  26.     stw     r19, (JB_REGS+12)(r4)
    27. 

  27.     stw     r20, (JB_REGS+16)(r4)
    28. 

  28.     stw     r21, (JB_REGS+20)(r4)
    29. 

  29.     stw     r22, (JB_REGS+24)(r4)
    30. 

  30.     stw     r23, (JB_REGS+28)(r4)
    31. 

  31.     
    32. 

  32.     stw     ra, JB_PC(r4)
    33. 

  33.     stw     sp, JB_SP(r4)
    34. 

  34.     stw     fp, JB_FP(r4)
    35. 

  35.     stw     gp, JB_GP(r4)
    36. 

  36.     
    37. 

  37. #if defined(__HAVE_FPU__)
    38. 

  38.     SAVE_FPU r4 JB_FPREGS
    39. 

  39. #endif
    40. 

  40.     stw     r0, JB_SIZE(r4) /* signal mask is not saved */
    41. 

  41.     mov     r2, zero
    42. 

  42.     ret
    43. 

  43. 

  44. 

  45.