arm.h

   1 /* architecture-dependent header for ARM */
   2 #define LONGSZ          4       /* word size */
   3 #define I_ARCH          "__arm__"
   4
   5 #define N_REGS          16      /* number of registers */
   6 #define N_TMPS          10      /* number of tmp registers */
   7 #define N_ARGS          4       /* number of arg registers */
   8 #define R_TMPS          0x03ff  /* mask of tmp registers */
   9 #define R_ARGS          0x000f  /* mask of arg registers */
  10 #define R_PERM          0x0ff0  /* mask of callee-saved registers */
  11
  12 /* special registers */
  13 #define REG_FP          11      /* frame pointer register */
  14 #define REG_SP          13      /* stack pointer register */
  15
  16 /* stack positions */
  17 #define I_ARG0          (-16)   /* offset of the first argument from FP */
  18 #define I_LOC0          0       /* offset of the first local from FP */