diff options
Diffstat (limited to 'backends/loongarch_symbol.c')
| -rw-r--r-- | backends/loongarch_symbol.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/backends/loongarch_symbol.c b/backends/loongarch_symbol.c index 43306ab8..5ce55bad 100644 --- a/backends/loongarch_symbol.c +++ b/backends/loongarch_symbol.c @@ -79,3 +79,38 @@ loongarch_machine_flag_check (GElf_Word flags) return ((flags &~ (EF_LARCH_ABI_MODIFIER_MASK | EF_LARCH_OBJABI_V1)) == 0); } + +/* Check whether given symbol's st_value and st_size are OK despite failing + normal checks. */ +bool +loongarch_check_special_symbol (Elf *elf, const GElf_Sym *sym, + const char *name, const GElf_Shdr *destshdr) +{ + if (name != NULL + && strcmp (name, "_GLOBAL_OFFSET_TABLE_") == 0) + { + size_t shstrndx; + if (elf_getshdrstrndx (elf, &shstrndx) != 0) + return false; + const char *sname = elf_strptr (elf, shstrndx, destshdr->sh_name); + if (sname != NULL + && (strcmp (sname, ".got") == 0 || 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); + if (shdr != NULL) + { + sname = elf_strptr (elf, shstrndx, shdr->sh_name); + if (sname != NULL && strcmp (sname, ".got") == 0) + return (sym->st_value >= shdr->sh_addr + && sym->st_value < shdr->sh_addr + shdr->sh_size); + } + } + } + } + + return false; +} |