reloc.h 1002 B

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  1. #include <string.h>
  2. #include <elf.h>
  3. #include <endian.h>
  4. #define LDSO_ARCH "or1k"
  5. #define TPOFF_K 0
  6. static int remap_rel(int type)
  7. {
  8. switch(type) {
  9. case R_OR1K_32:
  10. return REL_SYMBOLIC;
  11. case R_OR1K_GLOB_DAT:
  12. return REL_GOT;
  13. case R_OR1K_JMP_SLOT:
  14. return REL_PLT;
  15. case R_OR1K_RELATIVE:
  16. return REL_RELATIVE;
  17. case R_OR1K_COPY:
  18. return REL_COPY;
  19. case R_OR1K_TLS_DTPMOD:
  20. return REL_DTPMOD;
  21. case R_OR1K_TLS_DTPOFF:
  22. return REL_DTPOFF;
  23. case R_OR1K_TLS_TPOFF:
  24. return REL_TPOFF;
  25. }
  26. return 0;
  27. }
  28. #include "syscall.h"
  29. void __reloc_self(int c, size_t *a, size_t *dynv)
  30. {
  31. char dot = '.', ex = 'x';
  32. char *base;
  33. size_t t[20], n;
  34. for (a+=c+1; *a; a++);
  35. for (a++; *a; a+=2) if (*a<20) t[*a] = a[1];
  36. base = (char *)t[AT_BASE];
  37. if (!base) base = (char *)(t[AT_PHDR] & -t[AT_PAGESZ]);
  38. for (a=dynv; *a; a+=2) if (*a<20) t[*a] = a[1];
  39. n = t[DT_RELASZ];
  40. for (a=(void *)(base+t[DT_RELA]); n; a+=3, n-=12)
  41. if (a[1]%256 == R_OR1K_RELATIVE)
  42. *(size_t *)(base+a[0]) = (size_t)base + a[2];
  43. }