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| author | Ingo Molnar <mingo@elte.hu> | 2008-07-18 19:53:16 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-07-18 19:53:16 +0200 |
| commit | 9b610fda0df5d0f0b0c64242e37441ad1b384aac (patch) | |
| tree | 0ea14b15f2e6546f37fe18d8ac3dc83077ec0e55 /scripts/mod/modpost.c | |
| parent | b8f8c3cf0a4ac0632ec3f0e15e9dc0c29de917af (diff) | |
| parent | 5b664cb235e97afbf34db9c4d77f08ebd725335e (diff) | |
| download | linux-stable-9b610fda0df5d0f0b0c64242e37441ad1b384aac.tar.gz linux-stable-9b610fda0df5d0f0b0c64242e37441ad1b384aac.tar.bz2 linux-stable-9b610fda0df5d0f0b0c64242e37441ad1b384aac.zip | |
Merge branch 'linus' into timers/nohz
Diffstat (limited to 'scripts/mod/modpost.c')
| -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 508c5895c680..a07f91aac920 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) |