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namespace: add source file location exceptions 

Teach namespace checker about some special case files where the
source is in unusual location.  This fixes many of the source file
not found errors (more can be added), and also prevents false positives
for functions not being used.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
This commit is contained in:
Stephen Hemminger 2010-10-13 15:58:30 -07:00 committed by Michal Marek
parent 532cf2907a
commit 24a54f7974
1 changed files with 24 additions and 0 deletions
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24
scripts/namespace.pl
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@ -141,6 +141,26 @@ my %nameexception = (
'VDSO32_sigreturn' => 1,
);
# Files with exceptions to source file location
my %sourceloc = (
'net/dccp/dccp_probe.o' => 'probe',
'net/dccp/dccp_ipv4.o' => 'ipv4',
'net/dccp/dccp_ipv6.o' => 'ipv6',
'net/dccp/dccp_diag.o' => 'diag',
'drivers/char/hw_random/rng-core.o' => 'core',
'fs/fat/msdos.o' => 'namei_msdos',
'fs/fat/vfat.o' => 'namei_vfat',
'fs/nfs_common/nfs_acl.o' => 'nfsacl',
'sound/soundcore.o' => 'sound_core',
'drivers/md/dm-mirror.o' => 'dm-raid1',
'drivers/message/i2o/i2o_bus.o' => 'bus-osm',
'arch/x86/kvm/kvm-amd.o' => 'svm',
'arch/x86/kvm/kvm-intel.o' => 'vmx',
'arch/x86/crypto/twofish-x86_64.o' => 'twofish-x86_64-asm_64',
'arch/x86/crypto/aes-x86_64.o' => 'aes-x86_64-asm_64',
'arch/x86/crypto/aesni-intel.o' => 'aesni-intel_asm',
'arch/x86/crypto/salsa20-x86_64.o' => 'salsa20-x86_64-asm_64',
);
&find(\&linux_objects, '.'); # find the objects and do_nm on them
&list_multiply_defined();
@ -228,11 +248,15 @@ sub do_nm
return;
}
($source = $basename) =~ s/\.o$//;
$source = $sourceloc{$fullname} if ($sourceloc{$fullname});
if (-e "$source.c" || -e "$source.S") {
$source = "$objtree$File::Find::dir/$source";
} else {
$source = "$srctree$File::Find::dir/$source";
}
if (! -e "$source.c" && ! -e "$source.S") {
# No obvious source, exclude the object if it is conglomerate
open(my $objdumpdata, "$objdump $basename|")