diff options
Diffstat (limited to 'backends/aarch64_symbol.c')
| -rw-r--r-- | backends/aarch64_symbol.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/backends/aarch64_symbol.c b/backends/aarch64_symbol.c index b0f3377e..e41a7a7d 100644 --- a/backends/aarch64_symbol.c +++ b/backends/aarch64_symbol.c @@ -32,6 +32,7 @@ #include <elf.h> #include <stddef.h> +#include <string.h> #define BACKEND aarch64_ #include "libebl_CPU.h" @@ -54,3 +55,30 @@ aarch64_reloc_simple_type (Ebl *ebl __attribute__ ((unused)), int type) return ELF_T_NUM; } } + +/* If this is the _GLOBAL_OFFSET_TABLE_ symbol, then it should point to + .got[0] even if there is a .got.plt section. */ +bool +aarch64_check_special_symbol (Elf *elf, GElf_Ehdr *ehdr, const GElf_Sym *sym, + const char *name, const GElf_Shdr *destshdr) +{ + if (name != NULL + && strcmp (name, "_GLOBAL_OFFSET_TABLE_") == 0) + { + const char *sname = elf_strptr (elf, ehdr->e_shstrndx, destshdr->sh_name); + if (sname != NULL && strcmp (sname, ".got.plt") == 0) + { + Elf_Scn *scn = NULL; + while ((scn = elf_nextscn (elf, scn)) != NULL) + { + GElf_Shdr shdr_mem; + GElf_Shdr *shdr = gelf_getshdr (scn, &shdr_mem); + sname = elf_strptr (elf, ehdr->e_shstrndx, shdr->sh_name); + if (sname != NULL && strcmp (sname, ".got") == 0) + return sym->st_value == shdr->sh_addr; + } + } + } + + return false; +} |