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  1. #include <stdio.h>
  2.  
  3.  
  4. typedef long long __u64;
  5. typedef __u64 ipl_t;
  6. typedef __u64 __address;
  7.  
  8. #define __amd64_TYPES_H__
  9. #include "../../arch/amd64/include/context.h"
  10.  
  11. #define FILENAME "../../arch/amd64/include/context_offset.h"
  12.  
  13. int main(void)
  14. {
  15.     FILE *f;
  16.     struct context ctx;
  17.     struct context *pctx = &ctx;
  18.  
  19.     f = fopen(FILENAME,"w");
  20.     if (!f) {
  21.         perror(FILENAME);
  22.         return 1;
  23.     }
  24.  
  25.     fprintf(f, "/* This file is automatically generated by %s. */\n", __FILE__);   
  26.  
  27.     fprintf(f,"#define OFFSET_SP  0x%x\n",((int)&pctx->sp) - (int )pctx);
  28.     fprintf(f,"#define OFFSET_PC  0x%x\n",((int)&pctx->pc) - (int )pctx);
  29.     fprintf(f,"#define OFFSET_RBX 0x%x\n",((int)&pctx->rbx) - (int )pctx);
  30.     fprintf(f,"#define OFFSET_RBP 0x%x\n",((int)&pctx->rbp) - (int )pctx);
  31.     fprintf(f,"#define OFFSET_R12 0x%x\n",((int)&pctx->r12) - (int )pctx);
  32.     fprintf(f,"#define OFFSET_R13 0x%x\n",((int)&pctx->r13) - (int )pctx);
  33.     fprintf(f,"#define OFFSET_R14 0x%x\n",((int)&pctx->r14) - (int )pctx);
  34.     fprintf(f,"#define OFFSET_R15 0x%x\n",((int)&pctx->r15) - (int )pctx);
  35.     fprintf(f,"#define OFFSET_IPL 0x%x\n",((int)&pctx->ipl) - (int )pctx);
  36.     fclose(f);
  37.  
  38.     return 0;
  39. }
  40.