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author | Masahiro Yamada <yamada.masahiro@socionext.com> | 2018-05-09 16:23:45 +0900 |
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committer | Masahiro Yamada <yamada.masahiro@socionext.com> | 2018-05-17 22:43:33 +0900 |
commit | b2c5cdcfd4bcc1fbf1caefe7f3ff909bcee10a6c (patch) | |
tree | 312ce8723d6b0309b0c95d57ac18f45026c395ff /scripts | |
parent | d5940c60e0575ad666132a612a73e6597f90d4c3 (diff) | |
download | blackbird-op-linux-b2c5cdcfd4bcc1fbf1caefe7f3ff909bcee10a6c.tar.gz blackbird-op-linux-b2c5cdcfd4bcc1fbf1caefe7f3ff909bcee10a6c.zip |
modpost: remove symbol prefix support
CONFIG_HAVE_UNDERSCORE_SYMBOL_PREFIX was selected by BLACKFIN, METAG.
They were removed by commit 4ba66a976072 ("arch: remove blackfin port"),
commit bb6fb6dfcc17 ("metag: Remove arch/metag/"), respectively.
No more architecture enables CONFIG_HAVE_UNDERSCORE_SYMBOL_PREFIX,
hence VMLINUX_SYMBOL_STR(foo) can be simplify replaced with "foo".
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Diffstat (limited to 'scripts')
-rw-r--r-- | scripts/mod/modpost.c | 30 |
1 files changed, 10 insertions, 20 deletions
diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c index 4ff08a0ef5d3..bc71925d4e9b 100644 --- a/scripts/mod/modpost.c +++ b/scripts/mod/modpost.c @@ -19,9 +19,7 @@ #include <stdbool.h> #include <errno.h> #include "modpost.h" -#include "../../include/generated/autoconf.h" #include "../../include/linux/license.h" -#include "../../include/linux/export.h" /* Are we using CONFIG_MODVERSIONS? */ static int modversions = 0; @@ -591,7 +589,7 @@ static void parse_elf_finish(struct elf_info *info) static int ignore_undef_symbol(struct elf_info *info, const char *symname) { /* ignore __this_module, it will be resolved shortly */ - if (strcmp(symname, VMLINUX_SYMBOL_STR(__this_module)) == 0) + if (strcmp(symname, "__this_module") == 0) return 1; /* ignore global offset table */ if (strcmp(symname, "_GLOBAL_OFFSET_TABLE_") == 0) @@ -617,9 +615,6 @@ static int ignore_undef_symbol(struct elf_info *info, const char *symname) return 0; } -#define CRC_PFX VMLINUX_SYMBOL_STR(__crc_) -#define KSYMTAB_PFX VMLINUX_SYMBOL_STR(__ksymtab_) - static void handle_modversions(struct module *mod, struct elf_info *info, Elf_Sym *sym, const char *symname) { @@ -634,7 +629,7 @@ static void handle_modversions(struct module *mod, struct elf_info *info, export = export_from_sec(info, get_secindex(info, sym)); /* CRC'd symbol */ - if (strncmp(symname, CRC_PFX, strlen(CRC_PFX)) == 0) { + if (strncmp(symname, "__crc_", strlen("__crc_")) == 0) { is_crc = true; crc = (unsigned int) sym->st_value; if (sym->st_shndx != SHN_UNDEF && sym->st_shndx != SHN_ABS) { @@ -647,7 +642,7 @@ static void handle_modversions(struct module *mod, struct elf_info *info, info->sechdrs[sym->st_shndx].sh_addr : 0); crc = *crcp; } - sym_update_crc(symname + strlen(CRC_PFX), mod, crc, + sym_update_crc(symname + strlen("__crc_"), mod, crc, export); } @@ -685,15 +680,10 @@ static void handle_modversions(struct module *mod, struct elf_info *info, } #endif -#ifdef CONFIG_HAVE_UNDERSCORE_SYMBOL_PREFIX - if (symname[0] != '_') - break; - else - symname++; -#endif if (is_crc) { const char *e = is_vmlinux(mod->name) ?"":".ko"; - warn("EXPORT symbol \"%s\" [%s%s] version generation failed, symbol will not be versioned.\n", symname + strlen(CRC_PFX), mod->name, e); + warn("EXPORT symbol \"%s\" [%s%s] version generation failed, symbol will not be versioned.\n", + symname + strlen("__crc_"), mod->name, e); } mod->unres = alloc_symbol(symname, ELF_ST_BIND(sym->st_info) == STB_WEAK, @@ -701,13 +691,13 @@ static void handle_modversions(struct module *mod, struct elf_info *info, break; default: /* All exported symbols */ - if (strncmp(symname, KSYMTAB_PFX, strlen(KSYMTAB_PFX)) == 0) { - sym_add_exported(symname + strlen(KSYMTAB_PFX), mod, + if (strncmp(symname, "__ksymtab_", strlen("__ksymtab_")) == 0) { + sym_add_exported(symname + strlen("__ksymtab_"), mod, export); } - if (strcmp(symname, VMLINUX_SYMBOL_STR(init_module)) == 0) + if (strcmp(symname, "init_module") == 0) mod->has_init = 1; - if (strcmp(symname, VMLINUX_SYMBOL_STR(cleanup_module)) == 0) + if (strcmp(symname, "cleanup_module") == 0) mod->has_cleanup = 1; break; } @@ -2230,7 +2220,7 @@ static int add_versions(struct buffer *b, struct module *mod) err = 1; break; } - buf_printf(b, "\t{ %#8x, __VMLINUX_SYMBOL_STR(%s) },\n", + buf_printf(b, "\t{ %#8x, \"%s\" },\n", s->crc, s->name); } |