gdb/gdb-gdb-add-index-script.patch

http://sourceware.org/ml/gdb-patches/2010-07/msg00184.html
Subject: Re: [0/4] RFC: add DWARF index support

Jan Kratochvil: Fixed $d -> $dir.
Jan Kratochvil: Remove /dev/null redirection.

>>>>> "Tom" == Tom Tromey <tromey@redhat.com> writes:

Tom> This patch series adds support for a DWARF index to gdb.

Roland suggested we wrap up the index-creation code into a helper
script.

I'm not sure if this is something people would want in gdb proper, but I
figured I would send it here just in case.

Tom

2010-07-09  Tom Tromey  <tromey@redhat.com>

	* Makefile.in (install-only): Install gdb-add-index.
	* gdb-add-index: New file.

2010-07-09  Tom Tromey  <tromey@redhat.com>

	* gdb.texinfo (Index Files): Mention gdb-add-index.

>From 30714fe719e61baea03d0dc5793eb0d564faebb7 Mon Sep 17 00:00:00 2001
From: Tom Tromey <tromey@redhat.com>
Date: Fri, 9 Jul 2010 11:17:54 -0600
Subject: [PATCH 4/4] add gdb-add-index
Subject: [PATCH 4/4] add gdb-add-index

---
 gdb/ChangeLog       |    5 +++++
 gdb/Makefile.in     |   11 ++++++++++-
 gdb/doc/ChangeLog   |    4 ++++
 gdb/doc/gdb.texinfo |    8 ++++++++
 gdb/gdb-add-index   |   30 ++++++++++++++++++++++++++++++
 5 files changed, 57 insertions(+), 1 deletions(-)
 create mode 100755 gdb/gdb-add-index

Index: gdb-7.5.91.20130407/gdb/Makefile.in
===================================================================
--- gdb-7.5.91.20130407.orig/gdb/Makefile.in	2013-04-07 07:45:37.000000000 +0200
+++ gdb-7.5.91.20130407/gdb/Makefile.in	2013-04-07 07:46:22.986226811 +0200
@@ -1038,7 +1038,16 @@ install-only: install-gstack $(CONFIG_IN
 		$(INSTALL_PROGRAM) gdb$(EXEEXT) \
 			$(DESTDIR)$(bindir)/$$transformed_name$(EXEEXT) ; \
 		$(SHELL) $(srcdir)/../mkinstalldirs $(DESTDIR)$(includedir)/gdb ; \
-		$(INSTALL_DATA) jit-reader.h $(DESTDIR)$(includedir)/gdb/jit-reader.h
+		$(INSTALL_DATA) jit-reader.h $(DESTDIR)$(includedir)/gdb/jit-reader.h; \
+	transformed_name=`t='$(program_transform_name)'; \
+			  echo gdb-add-index | sed -e "$$t"` ; \
+		if test "x$$transformed_name" = x; then \
+		  transformed_name=gdb-add-index ; \
+		else \
+		  true ; \
+		fi ; \
+		$(INSTALL_PROGRAM) $(srcdir)/gdb-add-index \
+			$(DESTDIR)$(bindir)/$$transformed_name$(EXEEXT)
 	@$(MAKE) DO=install "DODIRS=$(SUBDIRS)" $(FLAGS_TO_PASS) subdir_do
 
 install-python:
Index: gdb-7.5.91.20130407/gdb/doc/gdb.texinfo
===================================================================
--- gdb-7.5.91.20130407.orig/gdb/doc/gdb.texinfo	2013-04-07 07:45:38.000000000 +0200
+++ gdb-7.5.91.20130407/gdb/doc/gdb.texinfo	2013-04-07 07:45:43.458236312 +0200
@@ -17159,6 +17159,14 @@ There are currently some limitation on i
 for DWARF debugging information, not stabs.  And, they do not
 currently work for programs using Ada.
 
+@value{GDBN} comes with a program, @command{gdb-add-index}, which can
+be used to add the index to a symbol file.  It takes the symbol file
+as its only argument:
+
+@smallexample
+$ gdb-add-index symfile
+@end smallexample
+
 @node Symbol Errors
 @section Errors Reading Symbol Files
 
Index: gdb-7.5.91.20130407/gdb/gdb-add-index
===================================================================
--- /dev/null	1970-01-01 00:00:00.000000000 +0000
+++ gdb-7.5.91.20130407/gdb/gdb-add-index	2013-04-07 07:45:43.462236311 +0200
@@ -0,0 +1,30 @@
+#! /bin/sh
+
+# Add a .gdb_index section to a file.
+
+# Copyright (C) 2010 Free Software Foundation, Inc.
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+file="$1"
+dir="${file%/*}"
+
+# We don't care if gdb gives an error.
+gdb -nx --batch-silent -ex "file $file" -ex "save gdb-index $dir"
+
+if test -f "${file}.gdb-index"; then
+   objcopy --add-section .gdb_index="${file}.gdb-index" --set-section-flags .gdb_index=readonly "$file" "$file"
+   rm -f "${file}.gdb-index"
+fi
+
+exit 0