LXR linux/arch/alpha/include/uapi/asm/regdef.h

   1#ifndef __alpha_regdef_h__
   2#define __alpha_regdef_h__
   3
   4#define v0      $0      /* function return value */
   5
   6#define t0      $1      /* temporary registers (caller-saved) */
   7#define t1      $2
   8#define t2      $3
   9#define t3      $4
  10#define t4      $5
  11#define t5      $6
  12#define t6      $7
  13#define t7      $8
  14
  15#define s0      $9      /* saved-registers (callee-saved registers) */
  16#define s1      $10
  17#define s2      $11
  18#define s3      $12
  19#define s4      $13
  20#define s5      $14
  21#define s6      $15
  22#define fp      s6      /* frame-pointer (s6 in frame-less procedures) */
  23
  24#define a0      $16     /* argument registers (caller-saved) */
  25#define a1      $17
  26#define a2      $18
  27#define a3      $19
  28#define a4      $20
  29#define a5      $21
  30
  31#define t8      $22     /* more temps (caller-saved) */
  32#define t9      $23
  33#define t10     $24
  34#define t11     $25
  35#define ra      $26     /* return address register */
  36#define t12     $27
  37
  38#define pv      t12     /* procedure-variable register */
  39#define AT      $at     /* assembler temporary */
  40#define gp      $29     /* global pointer */
  41#define sp      $30     /* stack pointer */
  42#define zero    $31     /* reads as zero, writes are noops */
  43
  44#endif /* __alpha_regdef_h__ */
  45