setjmp.S 2.2 KB

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  1. /* Copyright (C) 1992, 1994, 1996, 1997 Free Software Foundation, Inc.
  2. This file is part of the GNU C Library.
  3. The GNU C Library is free software; you can redistribute it and/or
  4. modify it under the terms of the GNU Lesser General Public
  5. License as published by the Free Software Foundation; either
  6. version 2.1 of the License, or (at your option) any later version.
  7. The GNU C Library is distributed in the hope that it will be useful,
  8. but WITHOUT ANY WARRANTY; without even the implied warranty of
  9. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  10. Lesser General Public License for more details.
  11. You should have received a copy of the GNU Lesser General Public
  12. License along with the GNU C Library; if not, write to the Free
  13. Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  14. 02111-1307 USA. */
  15. #include <features.h>
  16. #define _ASM
  17. #define _SETJMP_H
  18. #define __ASSEMBLY__
  19. #include <bits/setjmp.h>
  20. #define a0 $16
  21. .ent __sigsetjmp
  22. .global __sigsetjmp
  23. __sigsetjmp:
  24. ldgp $29, 0($27)
  25. $sigsetjmp_local:
  26. subq $30, 16, $30
  27. .frame $26, 16, $26, 0
  28. stq $26, 0($30)
  29. .mask 0x04000000, -16
  30. .prologue 1
  31. stq $9, JB_S0*8(a0)
  32. stq $10, JB_S1*8(a0)
  33. stq $11, JB_S2*8(a0)
  34. stq $12, JB_S3*8(a0)
  35. stq $13, JB_S4*8(a0)
  36. stq $14, JB_S5*8(a0)
  37. stq $26, JB_PC*8(a0)
  38. addq $30, 16, $1
  39. stq $15, JB_FP*8(a0)
  40. stq $1, JB_SP*8(a0)
  41. stt $f2, JB_F2*8(a0)
  42. stt $f3, JB_F3*8(a0)
  43. stt $f4, JB_F4*8(a0)
  44. stt $f5, JB_F5*8(a0)
  45. stt $f6, JB_F6*8(a0)
  46. stt $f7, JB_F7*8(a0)
  47. stt $f8, JB_F8*8(a0)
  48. stt $f9, JB_F9*8(a0)
  49. /* Call to C to (potentially) save our signal mask. */
  50. jsr $26, __sigjmp_save
  51. ldq $26, 0($30)
  52. addq $30, 16, $30
  53. ret
  54. .end __sigsetjmp
  55. /* Put these traditional entry points in the same file so that we can
  56. elide much of the nonsense in trying to jmp to the real function. */
  57. .globl _setjmp;
  58. .align 3;
  59. .ent _setjmp , 0;
  60. _setjmp:
  61. .frame $30 , 0, $26
  62. ldgp $29, 0($27)
  63. mov 0, $17
  64. br $sigsetjmp_local
  65. .end _setjmp
  66. .globl setjmp;
  67. .align 3;
  68. .ent setjmp , 0;
  69. setjmp:
  70. .frame $30 , 0, $26
  71. ldgp $29, 0($27)
  72. mov 1, $17
  73. br $sigsetjmp_local
  74. .end setjmp
  75. .weak _setjmp
  76. .weak setjmp