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scripts/namespace.pl: some bug fixes

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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>
This commit is contained in:
Amerigo Wang 2010-10-27 12:42:01 -07:00 committed by Michal Marek
parent 43f683c9e4
commit e8cf981346
1 changed files with 10 additions and 7 deletions
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17
scripts/namespace.pl
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@ -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_/ &&