Capture Mozilla's codesighs, for use in executable sizing.

Vanilla code, no changes, except for the addition of:
* LICENSE, copied from elsewhere in the Mozilla tree;
* README.chromium, documenting what's going on.
* codesighs.gyp, for building with the rest of Chromium.
Review URL: http://codereview.chromium.org/93155

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@14522 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 224 insertions, 0 deletions

diff --git a/third_party/codesighs/basesummary.win.bash b/third_party/codesighs/basesummary.win.bash
new file mode 100755
index 0000000..1e05859
--- /dev/null
+++ b/third_party/codesighs/basesummary.win.bash
@@ -0,0 +1,224 @@
+#!/bin/bash
+#
+# ***** BEGIN LICENSE BLOCK *****
+# Version: MPL 1.1/GPL 2.0/LGPL 2.1
+#
+# The contents of this file are subject to the Mozilla Public License Version
+# 1.1 (the "License"); you may not use this file except in compliance with
+# the License. You may obtain a copy of the License at
+# http://www.mozilla.org/MPL/
+#
+# Software distributed under the License is distributed on an "AS IS" basis,
+# WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+# for the specific language governing rights and limitations under the
+# License.
+#
+# The Original Code is basesummary.win.bash code, released
+# Nov 15, 2002.
+#
+# The Initial Developer of the Original Code is
+# Netscape Communications Corporation.
+# Portions created by the Initial Developer are Copyright (C) 2002
+# the Initial Developer. All Rights Reserved.
+#
+# Contributor(s):
+#   Garrett Arch Blythe, 15-November-2002
+#
+# Alternatively, the contents of this file may be used under the terms of
+# either the GNU General Public License Version 2 or later (the "GPL"), or
+# the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+# in which case the provisions of the GPL or the LGPL are applicable instead
+# of those above. If you wish to allow use of your version of this file only
+# under the terms of either the GPL or the LGPL, and not to allow others to
+# use your version of this file under the terms of the MPL, indicate your
+# decision by deleting the provisions above and replace them with the notice
+# and other provisions required by the GPL or the LGPL. If you do not delete
+# the provisions above, a recipient may use your version of this file under
+# the terms of any one of the MPL, the GPL or the LGPL.
+#
+# ***** END LICENSE BLOCK *****
+
+
+#
+# Check for optional objdir
+# 
+if [ "$1" = "-o" ]; then 
+OBJROOT="$2"
+shift
+shift
+else
+OBJROOT="./mozilla"
+fi
+
+if [ "$1" = "-s" ]; then 
+SRCROOT="$2"
+shift
+shift
+else
+SRCROOT="./mozilla"
+fi
+
+MANIFEST="$SRCROOT/embedding/config/basebrowser-win"
+
+#
+#   A little help for my friends.
+#
+if [ "-h" == "$1" ];then 
+    SHOWHELP="1"
+fi
+if [ "--help" == "$1" ];then 
+    SHOWHELP="1"
+fi
+if [ "" == "$1" ]; then
+    SHOWHELP="1"
+fi
+if [ "" == "$2" ]; then
+    SHOWHELP="1"
+fi
+if [ "" == "$3" ]; then
+    SHOWHELP="1"
+fi
+
+
+#
+#   Show the help if required.
+#
+if [ $SHOWHELP ]; then
+    echo "usage: $0 <save_results> <old_results> <summary>"
+    echo "  <save_results> is a file that will receive the results of this run."
+    echo "    This file can be used in a future run as the old results."
+    echo "  <old_results> is a results file from a previous run."
+    echo "    It is used to diff with current results and come up with a summary"
+    echo "      of changes."
+    echo "    It is OK if the file does not exist, just supply the argument."
+    echo "  <summary> is a file which will contain a human readable report."
+    echo "    This file is most useful by providing more information than the"
+    echo "      normally single digit output of this script."
+    echo ""
+    echo "Run this command from the parent directory of the mozilla tree."
+    echo ""
+    echo "This command will output two numbers to stdout that will represent"
+    echo "  the total size of all code and data, and a delta from the prior."
+    echo "  the old results."
+    echo "For much more detail on size drifts refer to the summary report."
+    echo ""
+    echo "This tool reports on executables listed in the following file:"
+    echo "$MANIFEST"
+    exit
+fi
+
+
+#
+#   Stash our arguments away.
+#
+COPYSORTTSV="$1"
+OLDTSVFILE="$2"
+SUMMARYFILE="$3"
+
+
+#
+#   Create our temporary directory.
+#
+MYTMPDIR=`mktemp -d ./codesighs.tmp.XXXXXXXX`
+
+
+#
+#   Find the types of files we are interested in.
+#
+ONEFINDPASS="$MYTMPDIR/onefind.list"
+/usr/bin/find $OBJROOT -type f -name "*.obj" -or -name "*.map" | while read FNAME; do
+    cygpath -m $FNAME >> $ONEFINDPASS
+done
+
+
+#
+#   Find all object files.
+#
+ALLOBJSFILE="$MYTMPDIR/allobjs.list"
+grep -i "\.obj$" < $ONEFINDPASS > $ALLOBJSFILE
+
+
+#
+#   Get a dump of the symbols in every object file.
+#
+ALLOBJSYMSFILE="$MYTMPDIR/allobjsyms.list"
+xargs -n 1 dumpbin.exe /symbols < $ALLOBJSFILE > $ALLOBJSYMSFILE 2> /dev/null
+
+
+#
+#   Produce the symdb for the symbols in all object files.
+#
+SYMDBFILE="$MYTMPDIR/symdb.tsv"
+$OBJROOT/dist/bin/msdump2symdb --input $ALLOBJSYMSFILE | /usr/bin/sort > $SYMDBFILE 2> /dev/null
+
+
+#
+#   Find all map files.
+#
+ALLMAPSFILE="$MYTMPDIR/allmaps.list"
+grep -i "\.map$" < $ONEFINDPASS > $ALLMAPSFILE
+
+
+#
+#   Figure out which modules in specific we care about.
+#   The relevant set meaning that the map file name prefix must be found
+#       in the file mozilla/embedding/config/basebrowser-win.
+#
+RELEVANTSETFILE="$MYTMPDIR/relevant.set"
+grep -v '\;' < $MANIFEST | sed 's/.*\\//' | grep '\.[eEdD][xXlL][eElL]' | sed 's/\.[eEdD][xXlL][eElL]//' > $RELEVANTSETFILE
+RELEVANTARG=`xargs -n 1 echo --match-module < $RELEVANTSETFILE`
+
+
+#
+#   Produce the TSV output.
+#
+RAWTSVFILE="$MYTMPDIR/raw.tsv"
+$OBJROOT/dist/bin/msmap2tsv --symdb $SYMDBFILE --batch $RELEVANTARG < $ALLMAPSFILE > $RAWTSVFILE 2> /dev/null
+
+
+#
+#   Sort the TSV output for useful diffing and eyeballing in general.
+#
+/usr/bin/sort -r $RAWTSVFILE > $COPYSORTTSV
+
+
+#
+#   If a historical file was specified, diff it with our sorted tsv values.
+#   Run it through a tool to summaries the diffs to the module
+#       level report.
+#   Otherwise, generate the module level report from our new data.
+#
+rm -f $SUMMARYFILE
+DIFFFILE="$MYTMPDIR/diff.txt"
+if [ -e $OLDTSVFILE ]; then
+  diff $OLDTSVFILE $COPYSORTTSV > $DIFFFILE
+  $OBJROOT/dist/bin/maptsvdifftool --negation --input $DIFFFILE | dos2unix >> $SUMMARYFILE
+else
+  $OBJROOT/dist/bin/codesighs --modules --input $COPYSORTTSV | dos2unix >> $SUMMARYFILE
+fi
+
+
+#
+#   Output our numbers, that will let tinderbox specify everything all
+#       at once.
+#   First number is in fact the total size of all code and data in the map
+#       files parsed.
+#   Second number, if present, is growth/shrinkage.
+#
+
+if [ $TINDERBOX_OUTPUT ]; then
+    echo -n "__codesize:"
+fi
+$OBJROOT/dist/bin/codesighs --totalonly --input $COPYSORTTSV | dos2unix
+
+if [ -e $DIFFFILE ]; then
+if [ $TINDERBOX_OUTPUT ]; then
+    echo -n "__codesizeDiff:"
+fi
+    $OBJROOT/dist/bin/maptsvdifftool --negation --summary --input $DIFFFILE | dos2unix
+fi
+
+#
+#   Remove our temporary directory.
+#
+rm -rf $MYTMPDIR