From: Jan Kratochvil <jan.kratochvil@redhat.com>
Date: Thu, 3 Sep 2020 20:18:48 +0000 (+0200)
Subject: dtneededsize: First working version.
X-Git-Url: https://git.jankratochvil.net/?p=massrebuild.git;a=commitdiff_plain;h=fc8f325c687255f28908fe435aa3bfc9126e317f

dtneededsize: First working version.
---

diff --git a/dtneededsize b/dtneededsize
index 9cbb467..b9cdb5c 100755
--- a/dtneededsize
+++ b/dtneededsize
@@ -16,6 +16,32 @@ sub readfile {
   return $r;
 }
 
+my %D;
+# ==> build/Cadence-1.0.0-0.12.20200504git5787908.fc33.src.rpm.dtneeded <==
+# /usr/lib/debug/.dwz/Cadence isdwzcommon 479079 NA
+# /usr/bin/cadence-jackmeter /usr/lib/debug/.dwz/Cadence 717792 1329040
+# /usr/bin/cadence-xycontroller /usr/lib/debug/.dwz/Cadence 1763616 2369832
+# ==> build/CVector-1.0.3.1-21.fc33.src.rpm.dtneeded <==
+# /usr/lib64/libCVector-1.0.3.so.2.0.0 nodwzcommon 28088 28896
+for my $dtneededfn (glob "build/*.dtneeded") {
+  local *F;
+  open F,$dtneededfn or die "$dtneededfn: $1";
+  local $_;
+  while (<F>) {
+    chomp;
+    my($fn,$dwzcommon,$dwzsize,$dtsize)=/^(\S+) (\S+) (\S+) (\S+)$/ or die "$dtneededfn: $_";
+    die if $dwzcommon eq "isdwzcommon" && $dtsize ne "NA";
+    my $ref=\$D{$fn};
+    if ($$ref) {
+      die if $dwzcommon eq "isdwzcommon";
+      $$ref=[];
+    } else {
+      $$ref=[$dwzcommon,$dwzsize,$dtsize];
+    }
+  }
+  close F or die "close $dtneededfn: $1";
+}
+
 chdir "dtneeded.out" or die "dtneeded.out: $!";
 
 my %F;
@@ -29,6 +55,7 @@ find {
     return if !-f $binfn;
     die $binfn if $binfn!~m{^[.]/};
     my $bin=readfile $binfn;
+    $binfn=~s{^[.]}{} or die;
     my $rpath=($bin=~m{^.*\Q(R\E(?:UN)?\QPATH)\E\s*Library r(?:un)?path: \Q[\E(.*)\Q]\E$}m)[0];
     if ($rpath) {
       my $dirname=$File::Find::dir;
@@ -44,15 +71,19 @@ find {
     $F{$binfn}=$h;
 #    my $total=keys %F; warn "$total...\n" if 0==$total%1000;
     if ($soname) {
-      my $ref=\$SONAME{$File::Find::dir."/".$soname};
-#      warn "soname=<$soname> <$binfn> vs. <".$$ref->{"binfn"}.">\n" if $$ref;
+      my $sonamefn=$File::Find::dir."/".$soname;
+      $sonamefn=~s{^[.]/}{/} or die $sonamefn;
+      my $ref=\$SONAME{$sonamefn};
+#      warn "soname=<$sonamefn> <$binfn> vs. <".$$ref->{"binfn"}.">\n" if $$ref;
       $$ref=$h;
     }
     push @DEBUG,$binfn if $bin=~m{ \Q(DEBUG) \E };
   },
 },".";
 
-for my $binfn (@DEBUG) {
+my $dwzsizeall=0;
+my $dtsizeall=0;
+BINFN: for my $binfn (@DEBUG) {
 #  warn "$binfn...\n".Dumper([sort @{$F{$binfn}{"needed"}}]);
   my @l=$binfn;
   my %l=($binfn=>1);
@@ -74,7 +105,7 @@ for my $binfn (@DEBUG) {
 	    warn "$binfn: $l: $rpath";
 	    next;
 	  }
-	  my $fn=".$rpath/$needed";
+	  my $fn="$rpath/$needed";
 	  next if !$SONAME{$fn};
 	  $found=$fn;
 	  last;
@@ -84,5 +115,41 @@ for my $binfn (@DEBUG) {
       push @l,$found if $found&&!$l{$found}++;
     }
   }
+#warn Dumper $binfn,\%l;
+  my $dwzsizetot=0;
+  my $dtsizetot=0;
+  my %dwzcommons;
+  for my $l (keys(%l)) {
+    my $ref=$D{$l};
+    if (!defined $ref) {
+#      warn "$binfn: $l: missing\n";
+      next BINFN;
+    }
+    if (0==@$ref) {
+      warn "$binfn: $l: ambiguous\n";
+      next BINFN;
+    }
+    my $dtsize=$ref->[2];
+    die if !defined $dtsize;
+    $dtsizetot+=$dtsize;
+    my $dwzsize=$ref->[1];
+    die if !defined $dwzsize;
+    $dwzsizetot+=$dwzsize;
+    my $dwzcommon=$ref->[0];
+    next if $dwzcommon eq "nodwzcommon";
+    die if $dwzcommon eq "isdwzcommon";
+    next if $dwzcommons{$dwzcommon}++;
+    my $dwzcommonref=$D{$dwzcommon};
+    die if !$dwzcommonref;
+    die if $dwzcommonref->[0] ne "isdwzcommon";
+    die if $dwzcommonref->[2] ne "NA";
+    my $dwzcommonsize=$dwzcommonref->[1];
+    $dwzsizetot+=$dwzcommonsize;
+  }
+  print "$binfn: dwzsizetot=$dwzsizetot dtsizetot=$dtsizetot\n";
+warn "$binfn: ".Dumper(\%dwzcommons);
+  $dwzsizeall+=$dwzsizetot;
+  $dtsizeall+=$dtsizetot;
 #  warn "$binfn done\n".Dumper([sort keys(%l)]);
 }
+print "dwzsizeall=$dwzsizeall dtsizeall=$dtsizeall\n";