From e8cf981346b78ee50c2bfce83be9ee55704b3d4f Mon Sep 17 00:00:00 2001 From: Amerigo Wang Date: Wed, 27 Oct 2010 12:42:01 -0700 Subject: [PATCH] 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 Cc: Stephen Hemminger Cc: Michal Marek Signed-off-by: Andrew Morton Signed-off-by: Michal Marek --- scripts/namespace.pl | 17 ++++++++++------- 1 file changed, 10 insertions(+), 7 deletions(-) diff --git a/scripts/namespace.pl b/scripts/namespace.pl index c8d0922c3b4f..bccf61044eda 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_/ &&