123 lines
3.9 KiB
Diff
123 lines
3.9 KiB
Diff
http://sourceware.org/ml/gdb-patches/2010-07/msg00184.html
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Subject: Re: [0/4] RFC: add DWARF index support
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Jan Kratochvil: Fixed $d -> $dir.
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Jan Kratochvil: Remove /dev/null redirection.
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>>>>> "Tom" == Tom Tromey <tromey@redhat.com> writes:
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Tom> This patch series adds support for a DWARF index to gdb.
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Roland suggested we wrap up the index-creation code into a helper
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script.
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I'm not sure if this is something people would want in gdb proper, but I
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figured I would send it here just in case.
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Tom
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2010-07-09 Tom Tromey <tromey@redhat.com>
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* Makefile.in (install-only): Install gdb-add-index.
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* gdb-add-index: New file.
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2010-07-09 Tom Tromey <tromey@redhat.com>
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* gdb.texinfo (Index Files): Mention gdb-add-index.
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>From 30714fe719e61baea03d0dc5793eb0d564faebb7 Mon Sep 17 00:00:00 2001
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From: Tom Tromey <tromey@redhat.com>
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Date: Fri, 9 Jul 2010 11:17:54 -0600
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Subject: [PATCH 4/4] add gdb-add-index
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Subject: [PATCH 4/4] add gdb-add-index
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---
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gdb/ChangeLog | 5 +++++
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gdb/Makefile.in | 11 ++++++++++-
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gdb/doc/ChangeLog | 4 ++++
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gdb/doc/gdb.texinfo | 8 ++++++++
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gdb/gdb-add-index | 30 ++++++++++++++++++++++++++++++
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5 files changed, 57 insertions(+), 1 deletions(-)
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create mode 100755 gdb/gdb-add-index
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diff --git a/gdb/Makefile.in b/gdb/Makefile.in
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index 6dbb284..8210a2c 100644
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--- a/gdb/Makefile.in
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+++ b/gdb/Makefile.in
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@@ -1018,7 +1018,16 @@ install-only: $(CONFIG_INSTALL) xml-syscall-install
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$(SHELL) $(srcdir)/../mkinstalldirs \
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$(DESTDIR)$(man1dir) ; \
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$(INSTALL_DATA) $(srcdir)/gdb.1 \
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- $(DESTDIR)$(man1dir)/$$transformed_name.1
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+ $(DESTDIR)$(man1dir)/$$transformed_name.1; \
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+ transformed_name=`t='$(program_transform_name)'; \
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+ echo gdb-add-index | sed -e "$$t"` ; \
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+ if test "x$$transformed_name" = x; then \
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+ transformed_name=gdb-add-index ; \
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+ else \
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+ true ; \
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+ fi ; \
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+ $(INSTALL_PROGRAM) $(srcdir)/gdb-add-index \
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+ $(DESTDIR)$(bindir)/$$transformed_name$(EXEEXT)
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@$(MAKE) DO=install "DODIRS=$(SUBDIRS)" $(FLAGS_TO_PASS) subdir_do
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.PHONY: install-tui
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install-tui:
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diff --git a/gdb/doc/gdb.texinfo b/gdb/doc/gdb.texinfo
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index 69141e3..457e6b4 100644
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--- a/gdb/doc/gdb.texinfo
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+++ b/gdb/doc/gdb.texinfo
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@@ -15045,6 +15045,14 @@ There are currently some limitation on indices. They only work when
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for DWARF debugging information, not stabs. And, they do not
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currently work for programs using Ada.
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+@value{GDBN} comes with a program, @command{gdb-add-index}, which can
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+be used to add the index to a symbol file. It takes the symbol file
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+as its only argument:
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+
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+@smallexample
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+$ gdb-add-index symfile
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+@end smallexample
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+
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@node Symbol Errors
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@section Errors Reading Symbol Files
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diff --git a/gdb/gdb-add-index b/gdb/gdb-add-index
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new file mode 100755
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index 0000000..c9a03b0
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--- /dev/null
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+++ b/gdb/gdb-add-index
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@@ -0,0 +1,30 @@
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+#! /bin/sh
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+
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+# Add a .gdb_index section to a file.
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+
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+# Copyright (C) 2010 Free Software Foundation, Inc.
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+# This program is free software; you can redistribute it and/or modify
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+# it under the terms of the GNU General Public License as published by
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+# the Free Software Foundation; either version 3 of the License, or
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+# (at your option) any later version.
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+#
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+# This program is distributed in the hope that it will be useful,
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+# but WITHOUT ANY WARRANTY; without even the implied warranty of
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+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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+# GNU General Public License for more details.
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+#
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+# You should have received a copy of the GNU General Public License
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+# along with this program. If not, see <http://www.gnu.org/licenses/>.
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+
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+file="$1"
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+dir="${file%/*}"
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+
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+# We don't care if gdb gives an error.
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+gdb --batch-silent -ex "file $file" -ex "save gdb-index $dir"
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+
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+if test -f "${file}.gdb-index"; then
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+ objcopy --add-section .gdb_index="${file}.gdb-index" --set-section-flags .gdb_index=readonly "$file" "$file"
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+ rm -f "${file}.gdb-index"
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+fi
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+
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+exit 0
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--
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1.6.2.5
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