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authorAmerigo Wang <amwang@redhat.com>2010-10-27 19:42:01 (GMT)
committerMichal Marek <mmarek@suse.cz>2010-10-27 22:07:46 (GMT)
commite8cf981346b78ee50c2bfce83be9ee55704b3d4f (patch)
treec559deca7c65044c8d1d038449443d4635640c50 /scripts
parent43f683c9e465a64259c6058a7c313facc697b203 (diff)
scripts/namespace.pl: some bug fixes
1. Teach namespace.pl to understand "V" and "v" 2. cond_syscalls are moved into kernel/sys_ni.c Signed-off-by: Amerigo Wang <amwang@redhat.com> Cc: Stephen Hemminger <shemminger@vyatta.com> Cc: Michal Marek <mmarek@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Michal Marek <mmarek@suse.cz>
Diffstat (limited to 'scripts')
-rwxr-xr-xscripts/namespace.pl17
1 files changed, 10 insertions, 7 deletions
diff --git a/scripts/namespace.pl b/scripts/namespace.pl
index c8d0922..bccf610 100755
--- a/scripts/namespace.pl
+++ b/scripts/namespace.pl
@@ -266,6 +266,7 @@ sub do_nm
# T global label/procedure
# U external reference
# W weak external reference to text that has been resolved
+ # V similar to W, but the value of the weak symbol becomes zero with no error.
# a assembler equate
# b static variable, uninitialised
# d static variable, initialised
@@ -274,8 +275,9 @@ sub do_nm
# s static variable, uninitialised, small bss
# t static label/procedures
# w weak external reference to text that has not been resolved
+ # v similar to w
# ? undefined type, used a lot by modules
- if ($type !~ /^[ABCDGRSTUWabdgrstw?]$/) {
+ if ($type !~ /^[ABCDGRSTUWVabdgrstwv?]$/) {
printf STDERR "nm output for $fullname contains unknown type '$_'\n";
}
elsif ($name =~ /\./) {
@@ -286,7 +288,7 @@ sub do_nm
# binutils keeps changing the type for exported symbols, force it to R
$type = 'R' if ($name =~ /^__ksymtab/ || $name =~ /^__kstrtab/);
$name =~ s/_R[a-f0-9]{8}$//; # module versions adds this
- if ($type =~ /[ABCDGRSTW]/ &&
+ if ($type =~ /[ABCDGRSTWV]/ &&
$name ne 'init_module' &&
$name ne 'cleanup_module' &&
$name ne 'Using_Versions' &&
@@ -353,11 +355,12 @@ sub list_multiply_defined
foreach my $name (keys(%def)) {
if ($#{$def{$name}} > 0) {
# Special case for cond_syscall
- if ($#{$def{$name}} == 1 && $name =~ /^sys_/ &&
- ($def{$name}[0] eq "kernel/sys.o" ||
- $def{$name}[1] eq "kernel/sys.o")) {
- &drop_def("kernel/sys.o", $name);
- next;
+ if ($#{$def{$name}} == 1 && $name =~ /^sys_/) {
+ if($def{$name}[0] eq "kernel/sys_ni.o" ||
+ $def{$name}[1] eq "kernel/sys_ni.o") {
+ &drop_def("kernel/sys_ni.o", $name);
+ next;
+ }
}
# Special case for i386 entry code
if ($#{$def{$name}} == 1 && $name =~ /^__kernel_/ &&

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