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regdef.h

regdef.h 2.0 KB
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  1. /* Copyright (C) 1997, 1998 Free Software Foundation, Inc.
    2. 

  2.    This file is part of the GNU C Library.
    3. 

  3.    Contributed by Ralf Baechle <ralf@gnu.org>.
    4. 

  4. 

  5.    The GNU C Library is free software; you can redistribute it and/or
    6. 

  6.    modify it under the terms of the GNU Lesser General Public
    7. 

  7.    License as published by the Free Software Foundation; either
    8. 

  8.    version 2.1 of the License, or (at your option) any later version.
    9. 

  9. 

  10.    The GNU C Library is distributed in the hope that it will be useful,
    11. 

  11.    but WITHOUT ANY WARRANTY; without even the implied warranty of
    12. 

  12.    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    13. 

  13.    Lesser General Public License for more details.
    14. 

  14. 

  15.    You should have received a copy of the GNU Lesser General Public
    16. 

  16.    License along with the GNU C Library; if not, write to the Free
    17. 

  17.    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
    18. 

  18.    02111-1307 USA.  */
    19. 

  19. 

  20. #ifndef _SYS_REGDEF_H
    21. 

  21. #define _SYS_REGDEF_H
    22. 

  22. 

  23. /*
    24. 

  24.  * Symbolic register names for 32 bit ABI
    25. 

  25.  */
    26. 

  26. #define zero    $0      /* wired zero */
    27. 

  27. #define AT      $1      /* assembler temp  - uppercase because of ".set at" */
    28. 

  28. #define v0      $2      /* return value */
    29. 

  29. #define v1      $3
    30. 

  30. #define a0      $4      /* argument registers */
    31. 

  31. #define a1      $5
    32. 

  32. #define a2      $6
    33. 

  33. #define a3      $7
    34. 

  34. #define t0      $8      /* caller saved */
    35. 

  35. #define t1      $9
    36. 

  36. #define t2      $10
    37. 

  37. #define t3      $11
    38. 

  38. #define t4      $12
    39. 

  39. #define t5      $13
    40. 

  40. #define t6      $14
    41. 

  41. #define t7      $15
    42. 

  42. #define s0      $16     /* callee saved */
    43. 

  43. #define s1      $17
    44. 

  44. #define s2      $18
    45. 

  45. #define s3      $19
    46. 

  46. #define s4      $20
    47. 

  47. #define s5      $21
    48. 

  48. #define s6      $22
    49. 

  49. #define s7      $23
    50. 

  50. #define t8      $24     /* caller saved */
    51. 

  51. #define t9      $25
    52. 

  52. #define jp      $25     /* PIC jump register */
    53. 

  53. #define k0      $26     /* kernel scratch */
    54. 

  54. #define k1      $27
    55. 

  55. #define gp      $28     /* global pointer */
    56. 

  56. #define sp      $29     /* stack pointer */
    57. 

  57. #define fp      $30     /* frame pointer */
    58. 

  58. #define s8	$30	/* same like fp! */
    59. 

  59. #define ra      $31     /* return address */
    60. 

  60. 

  61. #endif /* _SYS_REGDEF_H */
    62.