diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-06-12 07:56:39 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-06-12 07:56:39 -0700 |
| commit | 95dcf8350dc889e735d03c0debe2f7b26d243185 (patch) | |
| tree | 1b995b7cbd1c42e340da7913f72eceedf3edf056 | |
| parent | 5a1603be58f11edb1b30cb1e40cfbdd4439289d0 (diff) | |
| parent | 4d7365d664e79710ac0e782a23443471ddf05bdd (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-fixes
* git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-fixes:
kbuild: ignore powerpc specific symbols in modpost
| -rw-r--r-- | scripts/mod/modpost.c | 25 |
1 files changed, 20 insertions, 5 deletions
diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c index 508c5895c68..a07f91aac92 100644 --- a/scripts/mod/modpost.c +++ b/scripts/mod/modpost.c @@ -467,6 +467,25 @@ static void parse_elf_finish(struct elf_info *info) release_file(info->hdr, info->size); } +static int ignore_undef_symbol(struct elf_info *info, const char *symname) +{ + /* ignore __this_module, it will be resolved shortly */ + if (strcmp(symname, MODULE_SYMBOL_PREFIX "__this_module") == 0) + return 1; + /* ignore global offset table */ + if (strcmp(symname, "_GLOBAL_OFFSET_TABLE_") == 0) + return 1; + if (info->hdr->e_machine == EM_PPC) + /* Special register function linked on all modules during final link of .ko */ + if (strncmp(symname, "_restgpr_", sizeof("_restgpr_") - 1) == 0 || + strncmp(symname, "_savegpr_", sizeof("_savegpr_") - 1) == 0 || + strncmp(symname, "_rest32gpr_", sizeof("_rest32gpr_") - 1) == 0 || + strncmp(symname, "_save32gpr_", sizeof("_save32gpr_") - 1) == 0) + return 1; + /* Do not ignore this symbol */ + return 0; +} + #define CRC_PFX MODULE_SYMBOL_PREFIX "__crc_" #define KSYMTAB_PFX MODULE_SYMBOL_PREFIX "__ksymtab_" @@ -493,11 +512,7 @@ static void handle_modversions(struct module *mod, struct elf_info *info, if (ELF_ST_BIND(sym->st_info) != STB_GLOBAL && ELF_ST_BIND(sym->st_info) != STB_WEAK) break; - /* ignore global offset table */ - if (strcmp(symname, "_GLOBAL_OFFSET_TABLE_") == 0) - break; - /* ignore __this_module, it will be resolved shortly */ - if (strcmp(symname, MODULE_SYMBOL_PREFIX "__this_module") == 0) + if (ignore_undef_symbol(info, symname)) break; /* cope with newer glibc (2.3.4 or higher) STT_ definition in elf.h */ #if defined(STT_REGISTER) || defined(STT_SPARC_REGISTER) |