diff options
Diffstat (limited to 'scripts')
| -rw-r--r-- | scripts/mod/modpost.c | 65 | ||||
| -rw-r--r-- | scripts/mod/modpost.h | 2 |
2 files changed, 48 insertions, 19 deletions
diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c index 6d04504b2fc1..1aa52a86c2cf 100644 --- a/scripts/mod/modpost.c +++ b/scripts/mod/modpost.c @@ -697,29 +697,56 @@ static void check_sec_ref(struct module *mod, const char *modname, /* Walk through all sections */ for (i = 0; i < hdr->e_shnum; i++) { - Elf_Rela *rela; - Elf_Rela *start = (void *)hdr + sechdrs[i].sh_offset; - Elf_Rela *stop = (void*)start + sechdrs[i].sh_size; - const char *name = secstrings + sechdrs[i].sh_name + - strlen(".rela"); + const char *name = secstrings + sechdrs[i].sh_name; + const char *secname; + Elf_Rela r; /* We want to process only relocation sections and not .init */ - if (section_ref_ok(name) || (sechdrs[i].sh_type != SHT_RELA)) - continue; + if (sechdrs[i].sh_type == SHT_RELA) { + Elf_Rela *rela; + Elf_Rela *start = (void *)hdr + sechdrs[i].sh_offset; + Elf_Rela *stop = (void*)start + sechdrs[i].sh_size; + name += strlen(".rela"); + if (section_ref_ok(name)) + continue; - for (rela = start; rela < stop; rela++) { - Elf_Rela r; - const char *secname; - r.r_offset = TO_NATIVE(rela->r_offset); - r.r_info = TO_NATIVE(rela->r_info); - r.r_addend = TO_NATIVE(rela->r_addend); - sym = elf->symtab_start + ELF_R_SYM(r.r_info); - /* Skip special sections */ - if (sym->st_shndx >= SHN_LORESERVE) + for (rela = start; rela < stop; rela++) { + r.r_offset = TO_NATIVE(rela->r_offset); + r.r_info = TO_NATIVE(rela->r_info); + r.r_addend = TO_NATIVE(rela->r_addend); + sym = elf->symtab_start + ELF_R_SYM(r.r_info); + /* Skip special sections */ + if (sym->st_shndx >= SHN_LORESERVE) + continue; + + secname = secstrings + + sechdrs[sym->st_shndx].sh_name; + if (section(secname)) + warn_sec_mismatch(modname, name, + elf, sym, r); + } + } else if (sechdrs[i].sh_type == SHT_REL) { + Elf_Rel *rel; + Elf_Rel *start = (void *)hdr + sechdrs[i].sh_offset; + Elf_Rel *stop = (void*)start + sechdrs[i].sh_size; + name += strlen(".rel"); + if (section_ref_ok(name)) continue; - secname = secstrings + sechdrs[sym->st_shndx].sh_name; - if (section(secname)) - warn_sec_mismatch(modname, name, elf, sym, r); + for (rel = start; rel < stop; rel++) { + r.r_offset = TO_NATIVE(rel->r_offset); + r.r_info = TO_NATIVE(rel->r_info); + r.r_addend = 0; + sym = elf->symtab_start + ELF_R_SYM(r.r_info); + /* Skip special sections */ + if (sym->st_shndx >= SHN_LORESERVE) + continue; + + secname = secstrings + + sechdrs[sym->st_shndx].sh_name; + if (section(secname)) + warn_sec_mismatch(modname, name, + elf, sym, r); + } } } } diff --git a/scripts/mod/modpost.h b/scripts/mod/modpost.h index b14255c72a37..086fa466504c 100644 --- a/scripts/mod/modpost.h +++ b/scripts/mod/modpost.h @@ -21,6 +21,7 @@ #define ELF_ST_BIND ELF32_ST_BIND #define ELF_ST_TYPE ELF32_ST_TYPE +#define Elf_Rel Elf32_Rel #define Elf_Rela Elf32_Rela #define ELF_R_SYM ELF32_R_SYM #define ELF_R_TYPE ELF32_R_TYPE @@ -34,6 +35,7 @@ #define ELF_ST_BIND ELF64_ST_BIND #define ELF_ST_TYPE ELF64_ST_TYPE +#define Elf_Rel Elf64_Rel #define Elf_Rela Elf64_Rela #define ELF_R_SYM ELF64_R_SYM #define ELF_R_TYPE ELF64_R_TYPE |