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-rwxr-xr-xscripts/namespace.pl65
1 files changed, 33 insertions, 32 deletions
diff --git a/scripts/namespace.pl b/scripts/namespace.pl
index c6e88c6..361d0f71 100755
--- a/scripts/namespace.pl
+++ b/scripts/namespace.pl
@@ -175,12 +175,11 @@ sub do_nm
}
if (! -e "$source.c" && ! -e "$source.S") {
# No obvious source, exclude the object if it is conglomerate
- if (! open(OBJDUMPDATA, "$objdump $basename|")) {
- printf STDERR "$objdump $fullname failed $!\n";
- return;
- }
+ open(my $objdumpdata, "$objdump $basename|")
+ or die "$objdump $fullname failed $!\n";
+
my $comment;
- while (<OBJDUMPDATA>) {
+ while (<$objdumpdata>) {
chomp();
if (/^In archive/) {
# Archives are always conglomerate
@@ -190,18 +189,18 @@ sub do_nm
next if (! /^[ 0-9a-f]{5,} /);
$comment .= substr($_, 43);
}
- close(OBJDUMPDATA);
+ close($objdumpdata);
+
if (!defined($comment) || $comment !~ /GCC\:.*GCC\:/m) {
printf STDERR "No source file found for $fullname\n";
}
return;
}
- if (! open(NMDATA, "$nm $basename|")) {
- printf STDERR "$nm $fullname failed $!\n";
- return;
- }
+ open (my $nmdata, "$nm $basename|")
+ or die "$nm $fullname failed $!\n";
+
my @nmdata;
- while (<NMDATA>) {
+ while (<$nmdata>) {
chop;
($type, $name) = (split(/ +/, $_, 3))[1..2];
# Expected types
@@ -268,7 +267,8 @@ sub do_nm
}
}
}
- close(NMDATA);
+ close($nmdata);
+
if ($#nmdata < 0) {
if (
$fullname ne "lib/brlock.o"
@@ -316,8 +316,7 @@ sub drop_def
sub list_multiply_defined
{
- my ($name, $module);
- foreach $name (keys(%def)) {
+ foreach my $name (keys(%def)) {
if ($#{$def{$name}} > 0) {
# Special case for cond_syscall
if ($#{$def{$name}} == 1 && $name =~ /^sys_/ &&
@@ -333,8 +332,9 @@ sub list_multiply_defined
&drop_def("arch/x86/kernel/vsyscall-sysenter_32.o", $name);
next;
}
+
printf "$name is multiply defined in :-\n";
- foreach $module (@{$def{$name}}) {
+ foreach my $module (@{$def{$name}}) {
printf "\t$module\n";
}
}
@@ -343,12 +343,13 @@ sub list_multiply_defined
sub resolve_external_references
{
- my ($object, $type, $name, $i, $j, $kstrtab, $ksymtab, $export);
+ my ($kstrtab, $ksymtab, $export);
+
printf "\n";
- foreach $object (keys(%nmdata)) {
+ foreach my $object (keys(%nmdata)) {
my $nmdata = $nmdata{$object};
- for ($i = 0; $i <= $#{$nmdata}; ++$i) {
- ($type, $name) = split(' ', $nmdata->[$i], 2);
+ for (my $i = 0; $i <= $#{$nmdata}; ++$i) {
+ my ($type, $name) = split(' ', $nmdata->[$i], 2);
if ($type eq "U" || $type eq "w") {
if (exists($def{$name}) || exists($ksymtab{$name})) {
# add the owning object to the nmdata
@@ -357,7 +358,7 @@ sub resolve_external_references
$kstrtab = "R __kstrtab_$name";
$ksymtab = "R __ksymtab_$name";
$export = 0;
- for ($j = 0; $j <= $#{$nmdata}; ++$j) {
+ for (my $j = 0; $j <= $#{$nmdata}; ++$j) {
if ($nmdata->[$j] eq $kstrtab ||
$nmdata->[$j] eq $ksymtab) {
$export = 1;
@@ -424,11 +425,11 @@ sub resolve_external_references
sub list_extra_externals
{
my %noref = ();
- my ($name, @module, $module, $export);
- foreach $name (keys(%def)) {
+
+ foreach my $name (keys(%def)) {
if (! exists($ref{$name})) {
- @module = @{$def{$name}};
- foreach $module (@module) {
+ my @module = @{$def{$name}};
+ foreach my $module (@module) {
if (! exists($noref{$module})) {
$noref{$module} = [];
}
@@ -438,16 +439,16 @@ sub list_extra_externals
}
if (%noref) {
printf "\nExternally defined symbols with no external references\n";
- foreach $module (sort(keys(%noref))) {
+ foreach my $module (sort(keys(%noref))) {
printf " $module\n";
foreach (sort(@{$noref{$module}})) {
- if (exists($export{$_})) {
- $export = " (export only)";
- }
- else {
- $export = "";
- }
- printf " $_$export\n";
+ my $export;
+ if (exists($export{$_})) {
+ $export = " (export only)";
+ } else {
+ $export = "";
+ }
+ printf " $_$export\n";
}
}
}

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