reloc.h 1.1 KB

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  1. #include <string.h>
  2. #include <elf.h>
  3. #include <endian.h>
  4. #if __BYTE_ORDER == __LITTLE_ENDIAN
  5. #define ENDIAN_SUFFIX "el"
  6. #else
  7. #define ENDIAN_SUFFIX ""
  8. #endif
  9. #define LDSO_ARCH "microblaze" ENDIAN_SUFFIX
  10. #define TPOFF_K 0
  11. static int remap_rel(int type)
  12. {
  13. switch(type) {
  14. case R_MICROBLAZE_32:
  15. return REL_SYMBOLIC;
  16. case R_MICROBLAZE_GLOB_DAT:
  17. return REL_GOT;
  18. case R_MICROBLAZE_JUMP_SLOT:
  19. return REL_PLT;
  20. case R_MICROBLAZE_REL:
  21. return REL_RELATIVE;
  22. case R_MICROBLAZE_COPY:
  23. return REL_COPY;
  24. case R_MICROBLAZE_TLSDTPMOD32:
  25. return REL_DTPMOD;
  26. case R_MICROBLAZE_TLSDTPREL32:
  27. return REL_DTPOFF;
  28. }
  29. return 0;
  30. }
  31. #include "syscall.h"
  32. void __reloc_self(int c, size_t *a, size_t *dynv)
  33. {
  34. char dot = '.', ex = 'x';
  35. char *base;
  36. size_t t[20], n;
  37. for (a+=c+1; *a; a++);
  38. for (a++; *a; a+=2) if (*a<20) t[*a] = a[1];
  39. base = (char *)t[AT_BASE];
  40. if (!base) base = (char *)(t[AT_PHDR] & -t[AT_PAGESZ]);
  41. for (a=dynv; *a; a+=2) if (*a<20) t[*a] = a[1];
  42. n = t[DT_RELASZ];
  43. for (a=(void *)(base+t[DT_RELA]); n; a+=3, n-=12)
  44. if (a[1]%256 == R_MICROBLAZE_REL)
  45. *(size_t *)(base+a[0]) = (size_t)base + a[2];
  46. }