Linux-2.6.12-rc2
Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.
Let it rip!
diff --git a/scripts/reference_init.pl b/scripts/reference_init.pl
new file mode 100644
index 0000000..9a24084
--- /dev/null
+++ b/scripts/reference_init.pl
@@ -0,0 +1,107 @@
+#!/usr/bin/perl -w
+#
+# reference_init.pl (C) Keith Owens 2002 <kaos@ocs.com.au>
+#
+# List references to vmlinux init sections from non-init sections.
+
+# Unfortunately I had to exclude references from read only data to .init
+# sections, almost all of these are false positives, they are created by
+# gcc. The downside of excluding rodata is that there really are some
+# user references from rodata to init code, e.g. drivers/video/vgacon.c
+#
+# const struct consw vga_con = {
+# con_startup: vgacon_startup,
+#
+# where vgacon_startup is __init. If you want to wade through the false
+# positives, take out the check for rodata.
+
+use strict;
+die($0 . " takes no arguments\n") if($#ARGV >= 0);
+
+my %object;
+my $object;
+my $line;
+my $ignore;
+
+$| = 1;
+
+printf("Finding objects, ");
+open(OBJDUMP_LIST, "find . -name '*.o' | xargs objdump -h |") || die "getting objdump list failed";
+while (defined($line = <OBJDUMP_LIST>)) {
+ chomp($line);
+ if ($line =~ /:\s+file format/) {
+ ($object = $line) =~ s/:.*//;
+ $object{$object}->{'module'} = 0;
+ $object{$object}->{'size'} = 0;
+ $object{$object}->{'off'} = 0;
+ }
+ if ($line =~ /^\s*\d+\s+\.modinfo\s+/) {
+ $object{$object}->{'module'} = 1;
+ }
+ if ($line =~ /^\s*\d+\s+\.comment\s+/) {
+ ($object{$object}->{'size'}, $object{$object}->{'off'}) = (split(' ', $line))[2,5];
+ }
+}
+close(OBJDUMP_LIST);
+printf("%d objects, ", scalar keys(%object));
+$ignore = 0;
+foreach $object (keys(%object)) {
+ if ($object{$object}->{'module'}) {
+ ++$ignore;
+ delete($object{$object});
+ }
+}
+printf("ignoring %d module(s)\n", $ignore);
+
+# Ignore conglomerate objects, they have been built from multiple objects and we
+# only care about the individual objects. If an object has more than one GCC:
+# string in the comment section then it is conglomerate. This does not filter
+# out conglomerates that consist of exactly one object, can't be helped.
+
+printf("Finding conglomerates, ");
+$ignore = 0;
+foreach $object (keys(%object)) {
+ if (exists($object{$object}->{'off'})) {
+ my ($off, $size, $comment, $l);
+ $off = hex($object{$object}->{'off'});
+ $size = hex($object{$object}->{'size'});
+ open(OBJECT, "<$object") || die "cannot read $object";
+ seek(OBJECT, $off, 0) || die "seek to $off in $object failed";
+ $l = read(OBJECT, $comment, $size);
+ die "read $size bytes from $object .comment failed" if ($l != $size);
+ close(OBJECT);
+ if ($comment =~ /GCC\:.*GCC\:/m || $object =~ /built-in\.o/) {
+ ++$ignore;
+ delete($object{$object});
+ }
+ }
+}
+printf("ignoring %d conglomerate(s)\n", $ignore);
+
+printf("Scanning objects\n");
+foreach $object (sort(keys(%object))) {
+ my $from;
+ open(OBJDUMP, "objdump -r $object|") || die "cannot objdump -r $object";
+ while (defined($line = <OBJDUMP>)) {
+ chomp($line);
+ if ($line =~ /RELOCATION RECORDS FOR /) {
+ ($from = $line) =~ s/.*\[([^]]*).*/$1/;
+ }
+ if (($line =~ /\.init$/ || $line =~ /\.init\./) &&
+ ($from !~ /\.init$/ &&
+ $from !~ /\.init\./ &&
+ $from !~ /\.stab$/ &&
+ $from !~ /\.rodata$/ &&
+ $from !~ /\.text\.lock$/ &&
+ $from !~ /\.pci_fixup_header$/ &&
+ $from !~ /\.pci_fixup_final$/ &&
+ $from !~ /\.pdr$/ &&
+ $from !~ /\__param$/ &&
+ $from !~ /\.altinstructions/ &&
+ $from !~ /\.debug_/)) {
+ printf("Error: %s %s refers to %s\n", $object, $from, $line);
+ }
+ }
+ close(OBJDUMP);
+}
+printf("Done\n");