Atmosphere/emummc/source/nx/dynamic.c
Michael Scire b7a370b156 git subrepo clone --branch=develop https://github.com/m4xw/emuMMC emummc
subrepo:
  subdir:   "emummc"
  merged:   "e72e8f1c"
upstream:
  origin:   "https://github.com/m4xw/emuMMC"
  branch:   "develop"
  commit:   "e72e8f1c"
git-subrepo:
  version:  "0.4.0"
  origin:   "https://github.com/ingydotnet/git-subrepo"
  commit:   "5d6aba9"
2019-06-15 21:37:41 -07:00

46 lines
741 B
C
Vendored

/**
* @file dynamic.c
* @copyright libnx Authors
*/
#include <stddef.h>
#include "../utils/types.h"
#include <elf.h>
void __nx_dynamic(uintptr_t base, const Elf64_Dyn* dyn)
{
const Elf64_Rela* rela = NULL;
u64 relasz = 0;
for (; dyn->d_tag != DT_NULL; dyn++)
{
switch (dyn->d_tag)
{
case DT_RELA:
rela = (const Elf64_Rela*)(base + dyn->d_un.d_ptr);
break;
case DT_RELASZ:
relasz = dyn->d_un.d_val / sizeof(Elf64_Rela);
break;
}
}
if (rela == NULL) {
while(true)
;
}
for (; relasz--; rela++)
{
switch (ELF64_R_TYPE(rela->r_info))
{
case R_AARCH64_RELATIVE:
{
u64* ptr = (u64*)(base + rela->r_offset);
*ptr = base + rela->r_addend;
break;
}
}
}
}