scripts: modernize abi-check a bit
Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
This commit is contained in:
Thomas Lamprecht
parent
14c9961f1d
commit
d198e88b50
218
debian/scripts/abi-check
vendored
218
debian/scripts/abi-check
vendored
@ -1,4 +1,7 @@
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#!/usr/bin/perl -w
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#!/usr/bin/perl
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use strict;
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use warnings;
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my $abinew = shift;
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my $abiold = shift;
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@ -22,30 +25,30 @@ my $count;
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print "II: Checking ABI...\n";
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if ($skipabi) {
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print "WW: Explicitly asked to ignore ABI, running in no-fail mode\n";
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$fail_exit = 0;
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$abiskip = 1;
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$EE = "WW:";
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print "WW: Explicitly asked to ignore ABI, running in no-fail mode\n";
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$fail_exit = 0;
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$abiskip = 1;
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$EE = "WW:";
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}
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if ($prev_abistr ne $abistr) {
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print "II: Different ABI's, running in no-fail mode\n";
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$fail_exit = 0;
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$EE = "WW:";
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print "II: Different ABI's, running in no-fail mode\n";
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$fail_exit = 0;
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$EE = "WW:";
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}
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if (not -f "$abinew" or not -f "$abiold") {
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print "EE: Previous or current ABI file missing!\n";
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print " $abinew\n" if not -f "$abinew";
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print " $abiold\n" if not -f "$abiold";
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print "EE: Previous or current ABI file missing!\n";
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print " $abinew\n" if not -f "$abinew";
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print " $abiold\n" if not -f "$abiold";
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# Exit if the ABI files are missing, but return status based on whether
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# skip ABI was indicated.
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if ("$abiskip" eq "1") {
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exit(0);
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} else {
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exit(1);
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}
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# Exit if the ABI files are missing, but return status based on whether
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# skip ABI was indicated.
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if ("$abiskip" eq "1") {
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exit(0);
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} else {
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exit(1);
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}
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}
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my %symbols;
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@ -57,101 +60,97 @@ my %module_syms;
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my $ignore = 0;
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print " Reading symbols/modules to ignore...";
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for $file ("abi-blacklist") {
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if (-f $file) {
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open(IGNORE, "< $file") or
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die "Could not open $file";
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while (<IGNORE>) {
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chomp;
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if ($_ =~ m/M: (.*)/) {
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$modules_ignore{$1} = 1;
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} else {
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$symbols_ignore{$_} = 1;
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}
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$ignore++;
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}
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close(IGNORE);
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for my $file ("abi-blacklist") {
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next if !-f $file;
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open(my $IGNORE_FH, '<', $file) or die "Could not open $file - $!";
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while (<$IGNORE_FH>) {
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chomp;
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if ($_ =~ m/M: (.*)/) {
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$modules_ignore{$1} = 1;
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} else {
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$symbols_ignore{$_} = 1;
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}
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$ignore++;
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}
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close($IGNORE_FH);
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}
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print "read $ignore symbols/modules.\n";
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sub is_ignored($$) {
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my ($mod, $sym) = @_;
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my ($mod, $sym) = @_;
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die "Missing module name in is_ignored()" if not defined($mod);
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die "Missing symbol name in is_ignored()" if not defined($sym);
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die "Missing module name in is_ignored()" if not defined($mod);
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die "Missing symbol name in is_ignored()" if not defined($sym);
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if (defined($symbols_ignore{$sym}) or defined($modules_ignore{$mod})) {
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return 1;
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}
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return 0;
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if (defined($symbols_ignore{$sym}) or defined($modules_ignore{$mod})) {
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return 1;
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}
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return 0;
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}
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# Read new syms first
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print " Reading new symbols ($abistr)...";
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$count = 0;
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open(NEW, "< $abinew") or
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die "Could not open $abinew";
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while (<NEW>) {
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chomp;
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m/^(\S+)\s(.+)\s(0x[0-9a-f]+)\s(.+)$/;
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$symbols{$4}{'type'} = $1;
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$symbols{$4}{'loc'} = $2;
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$symbols{$4}{'hash'} = $3;
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$module_syms{$2} = 0;
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$count++;
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open(my $NEW_FH, '<', $abinew) or die "Could not open $abinew - $!";
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while (<$NEW_FH>) {
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chomp;
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m/^(\S+)\s(.+)\s(0x[0-9a-f]+)\s(.+)$/;
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$symbols{$4}{'type'} = $1;
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$symbols{$4}{'loc'} = $2;
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$symbols{$4}{'hash'} = $3;
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$module_syms{$2} = 0;
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$count++;
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}
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close(NEW);
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close($NEW_FH);
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print "read $count symbols.\n";
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# Now the old symbols, checking for missing ones
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print " Reading old symbols...";
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$count = 0;
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open(OLD, "< $abiold") or
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die "Could not open $abiold";
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while (<OLD>) {
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chomp;
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m/^(\S+)\s(.+)\s(0x[0-9a-f]+)\s(.+)$/;
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$symbols{$4}{'old_type'} = $1;
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$symbols{$4}{'old_loc'} = $2;
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$symbols{$4}{'old_hash'} = $3;
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$count++;
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open(my $OLD_FH, '<', $abiold) or die "Could not open $abiold - $!";
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while (<$OLD_FH>) {
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chomp;
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m/^(\S+)\s(.+)\s(0x[0-9a-f]+)\s(.+)$/;
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$symbols{$4}{'old_type'} = $1;
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$symbols{$4}{'old_loc'} = $2;
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$symbols{$4}{'old_hash'} = $3;
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$count++;
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}
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close(OLD);
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close($OLD_FH);
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print "read $count symbols.\n";
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print "II: Checking for missing symbols in new ABI...";
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$count = 0;
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foreach $sym (keys(%symbols)) {
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if (!defined($symbols{$sym}{'type'})) {
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print "\n" if not $count;
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printf(" MISS : %s%s\n", $sym,
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is_ignored($symbols{$sym}{'old_loc'}, $sym) ? " (ignored)" : "");
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$count++ if !is_ignored($symbols{$sym}{'old_loc'}, $sym);
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}
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for my $sym (keys(%symbols)) {
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if (!defined($symbols{$sym}{'type'})) {
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print "\n" if not $count;
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printf(" MISS : %s%s\n", $sym, is_ignored($symbols{$sym}{'old_loc'}, $sym) ? " (ignored)" : "");
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$count++ if !is_ignored($symbols{$sym}{'old_loc'}, $sym);
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}
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}
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print " " if $count;
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print "found $count missing symbols\n";
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if ($count) {
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print "$EE Symbols gone missing (what did you do!?!)\n";
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$errors++;
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print "$EE Symbols gone missing (what did you do!?!)\n";
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$errors++;
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}
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print "II: Checking for new symbols in new ABI...";
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$count = 0;
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foreach $sym (keys(%symbols)) {
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if (!defined($symbols{$sym}{'old_type'})) {
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print "\n" if not $count;
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print " NEW : $sym\n";
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$count++;
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}
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for my $sym (keys(%symbols)) {
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if (!defined($symbols{$sym}{'old_type'})) {
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print "\n" if not $count;
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print " NEW : $sym\n";
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$count++;
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}
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}
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print " " if $count;
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print "found $count new symbols\n";
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if ($count) {
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print "WW: Found new symbols. Not recommended unless ABI was bumped\n";
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print "WW: Found new symbols. Not recommended unless ABI was bumped\n";
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}
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print "II: Checking for changes to ABI...\n";
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@ -159,37 +158,34 @@ $count = 0;
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my $moved = 0;
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my $changed_type = 0;
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my $changed_hash = 0;
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foreach $sym (keys(%symbols)) {
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if (!defined($symbols{$sym}{'old_type'}) or
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!defined($symbols{$sym}{'type'})) {
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next;
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}
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for my $sym (keys(%symbols)) {
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if (!defined($symbols{$sym}{'old_type'}) or !defined($symbols{$sym}{'type'})) {
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next;
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}
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# Changes in location don't hurt us, but log it anyway
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if ($symbols{$sym}{'loc'} ne $symbols{$sym}{'old_loc'}) {
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printf(" MOVE : %-40s : %s => %s\n", $sym, $symbols{$sym}{'old_loc'},
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$symbols{$sym}{'loc'});
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$moved++;
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}
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# Changes in location don't hurt us, but log it anyway
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if ($symbols{$sym}{'loc'} ne $symbols{$sym}{'old_loc'}) {
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printf(" MOVE : %-40s : %s => %s\n", $sym, $symbols{$sym}{'old_loc'}, $symbols{$sym}{'loc'});
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$moved++;
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}
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# Changes to export type are only bad if new type isn't
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# EXPORT_SYMBOL. Changing things to GPL are bad.
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if ($symbols{$sym}{'type'} ne $symbols{$sym}{'old_type'}) {
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printf(" TYPE : %-40s : %s => %s%s\n", $sym, $symbols{$sym}{'old_type'}.
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$symbols{$sym}{'type'}, is_ignored($symbols{$sym}{'loc'}, $sym)
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? " (ignored)" : "");
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$changed_type++ if $symbols{$sym}{'type'} ne "EXPORT_SYMBOL"
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and !is_ignored($symbols{$sym}{'loc'}, $sym);
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}
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# Changes to export type are only bad if new type isn't
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# EXPORT_SYMBOL. Changing things to GPL are bad.
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if ($symbols{$sym}{'type'} ne $symbols{$sym}{'old_type'}) {
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printf(" TYPE : %-40s : %s => %s%s\n", $sym, $symbols{$sym}{'old_type'}.
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$symbols{$sym}{'type'}, is_ignored($symbols{$sym}{'loc'}, $sym)
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? " (ignored)" : "");
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$changed_type++ if $symbols{$sym}{'type'} ne "EXPORT_SYMBOL" and !is_ignored($symbols{$sym}{'loc'}, $sym);
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}
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# Changes to the hash are always bad
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if ($symbols{$sym}{'hash'} ne $symbols{$sym}{'old_hash'}) {
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printf(" HASH : %-40s : %s => %s%s\n", $sym, $symbols{$sym}{'old_hash'},
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$symbols{$sym}{'hash'}, is_ignored($symbols{$sym}{'loc'}, $sym)
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? " (ignored)" : "");
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$changed_hash++ if !is_ignored($symbols{$sym}{'loc'}, $sym);
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$module_syms{$symbols{$sym}{'loc'}}++;
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}
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# Changes to the hash are always bad
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if ($symbols{$sym}{'hash'} ne $symbols{$sym}{'old_hash'}) {
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printf(" HASH : %-40s : %s => %s%s\n", $sym, $symbols{$sym}{'old_hash'},
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$symbols{$sym}{'hash'}, is_ignored($symbols{$sym}{'loc'}, $sym)
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? " (ignored)" : "");
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$changed_hash++ if !is_ignored($symbols{$sym}{'loc'}, $sym);
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$module_syms{$symbols{$sym}{'loc'}}++;
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}
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}
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print "WW: $moved symbols changed location\n" if $moved;
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@ -198,17 +194,17 @@ print "$EE $changed_hash symbols changed hash and weren't ignored\n" if $changed
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$errors++ if $changed_hash or $changed_type;
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if ($changed_hash) {
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print "II: Module hash change summary...\n";
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foreach $mod (sort { $module_syms{$b} <=> $module_syms{$a} } keys %module_syms) {
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next if ! $module_syms{$mod};
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printf(" %-40s: %d\n", $mod, $module_syms{$mod});
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}
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print "II: Module hash change summary...\n";
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for my $mod (sort { $module_syms{$b} <=> $module_syms{$a} } keys %module_syms) {
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next if ! $module_syms{$mod};
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printf(" %-40s: %d\n", $mod, $module_syms{$mod});
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}
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}
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print "II: Done\n";
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if ($errors) {
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exit($fail_exit);
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exit($fail_exit);
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} else {
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exit(0);
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exit(0);
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}
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