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  1. #include <stdio.h>
  2. #include <stdint.h>
  3.  
  4. typedef uint64_t __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.     struct interrupt_context ictx;
  20.     struct interrupt_context *ipctx = &ictx;
  21.  
  22.     f = fopen(FILENAME,"w");
  23.     if (!f) {
  24.         perror(FILENAME);
  25.         return 1;
  26.     }
  27.  
  28.     fprintf(f, "/* This file is automatically generated by %s. */\n", __FILE__);   
  29.  
  30.     fprintf(f,"#define OFFSET_SP  0x%x\n", ((int) &pctx->sp) - (int) pctx);
  31.     fprintf(f,"#define OFFSET_PC  0x%x\n", ((int) &pctx->pc) - (int) pctx);
  32.     fprintf(f,"#define OFFSET_RBX 0x%x\n", ((int) &pctx->rbx) - (int) pctx);
  33.     fprintf(f,"#define OFFSET_RBP 0x%x\n", ((int) &pctx->rbp) - (int) pctx);
  34.     fprintf(f,"#define OFFSET_R12 0x%x\n", ((int) &pctx->r12) - (int) pctx);
  35.     fprintf(f,"#define OFFSET_R13 0x%x\n", ((int) &pctx->r13) - (int) pctx);
  36.     fprintf(f,"#define OFFSET_R14 0x%x\n", ((int) &pctx->r14) - (int) pctx);
  37.     fprintf(f,"#define OFFSET_R15 0x%x\n", ((int) &pctx->r15) - (int) pctx);
  38.     fprintf(f,"#define OFFSET_IPL 0x%x\n", ((int) &pctx->ipl) - (int) pctx);
  39.  
  40.     fclose(f);
  41.  
  42.     return 0;
  43. }
  44.