riscv/common.h

   1 #ifndef _RISCV_COMMON_H
   2 #define _RISCV_COMMON_H
   3
   4 #include <stdio.h>
   5 #include <string.h>
   6 #include <stdlib.h>
   7
   8 #ifdef __cplusplus
   9 # include <stdexcept>
  10 # define print_and_die(s) throw std::runtime_error(s)
  11 #else
  12 # define print_and_die(s) do { fprintf(stderr,"%s\n",s); abort(); } while(0)
  13 #endif
  14
  15 #define demand(cond,str,...) \
  16   do { if(!(cond)) { \
  17       char __str[256]; \
  18       snprintf(__str,256,"in %s, line %d: " str, \
  19                __FILE__,__LINE__,##__VA_ARGS__); \
  20       print_and_die(__str); \
  21     } } while(0)
  22
  23 #define static_assert(x)        switch (x) case 0: case (x):
  24
  25 #define   likely(x) __builtin_expect(x, 1)
  26 #define unlikely(x) __builtin_expect(x, 0)
  27
  28 #endif