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| author | Li Yang <leoli@freescale.com> | 2007-05-14 18:04:28 +0800 |
|---|---|---|
| committer | Sam Ravnborg <sam@ravnborg.org> | 2007-05-19 09:11:57 +0200 |
| commit | cd5477911fc9f5cc64678e2b95cdd606c59a11b5 (patch) | |
| tree | d893f07b0040d36dfc60040dc695384e9afcf103 /scripts | |
| parent | f892b7d480eec809a5dfbd6e65742b3f3155e50e (diff) | |
| download | lwn-cd5477911fc9f5cc64678e2b95cdd606c59a11b5.tar.gz lwn-cd5477911fc9f5cc64678e2b95cdd606c59a11b5.zip | |
kbuild: add "Section mismatch" warning whitelist for powerpc
This patch fixes the following class of "Section mismatch" warnings when
building powerpc platforms.
WARNING: arch/powerpc/kernel/built-in.o - Section mismatch: reference to .init.data:.got2 from prom_entry (offset 0x0)
WARNING: arch/powerpc/platforms/built-in.o - Section mismatch: reference to .init.text:mpc8313_rdb_probe from .machine.desc after 'mach_mpc8313_rdb' (at offset 0x4)
....
Signed-off-by: Li Yang <leoli@freescale.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Diffstat (limited to 'scripts')
| -rw-r--r-- | scripts/mod/modpost.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c index ce7e0d17bae2..2909391a8035 100644 --- a/scripts/mod/modpost.c +++ b/scripts/mod/modpost.c @@ -650,9 +650,10 @@ static int strrcmp(const char *s, const char *sub) * tosec = .init.text * * Pattern 10: - * ia64 has machvec table for each platform. It is mixture of function - * pointer of .init.text and .text. - * fromsec = .machvec + * ia64 has machvec table for each platform and + * powerpc has a machine desc table for each platform. + * It is mixture of function pointers of .init.text and .text. + * fromsec = .machvec | .machine.desc **/ static int secref_whitelist(const char *modname, const char *tosec, const char *fromsec, const char *atsym, @@ -751,7 +752,8 @@ static int secref_whitelist(const char *modname, const char *tosec, return 1; /* Check for pattern 10 */ - if (strcmp(fromsec, ".machvec") == 0) + if ((strcmp(fromsec, ".machvec") == 0) || + (strcmp(fromsec, ".machine.desc") == 0)) return 1; return 0; @@ -887,6 +889,11 @@ static void warn_sec_mismatch(const char *modname, const char *fromsec, elf->strtab + before->st_name, refsymname)) return; + /* fromsec whitelist - without a valid 'before' + * powerpc has a GOT table in .got2 section */ + if (strcmp(fromsec, ".got2") == 0) + return; + if (before && after) { warn("%s(%s+0x%llx): Section mismatch: reference to %s:%s " "(between '%s' and '%s')\n", |