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258 lines
7.5 KiB
258 lines
7.5 KiB
From FEDORA_PATCHES Mon Sep 17 00:00:00 2001 |
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From: Andrew Cagney <cagney@gnu.org> |
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Date: Fri, 27 Oct 2017 21:07:50 +0200 |
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Subject: gdb-6.3-gstack-20050411.patch |
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;; Add a wrapper script to GDB that implements pstack using the |
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;; --readnever option. |
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;;=push |
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2004-11-23 Andrew Cagney <cagney@redhat.com> |
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* Makefile.in (uninstall-gstack, install-gstack): New rules, add |
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to install and uninstall. |
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* gstack.sh, gstack.1: New files. |
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diff --git a/gdb/Makefile.in b/gdb/Makefile.in |
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--- a/gdb/Makefile.in |
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+++ b/gdb/Makefile.in |
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@@ -1767,7 +1767,7 @@ info install-info clean-info dvi pdf install-pdf html install-html: force |
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install: all |
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@$(MAKE) $(FLAGS_TO_PASS) install-only |
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-install-only: $(CONFIG_INSTALL) |
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+install-only: install-gstack $(CONFIG_INSTALL) |
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transformed_name=`t='$(program_transform_name)'; \ |
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echo gdb | sed -e "$$t"` ; \ |
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if test "x$$transformed_name" = x; then \ |
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@@ -1816,7 +1816,25 @@ install-guile: |
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install-python: |
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$(SHELL) $(srcdir)/../mkinstalldirs $(DESTDIR)$(GDB_DATADIR)/python/gdb |
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-uninstall: force $(CONFIG_UNINSTALL) |
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+GSTACK=gstack |
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+.PHONY: install-gstack |
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+install-gstack: |
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+ transformed_name=`t='$(program_transform_name)'; \ |
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+ echo $(GSTACK) | sed -e "$$t"` ; \ |
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+ if test "x$$transformed_name" = x; then \ |
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+ transformed_name=$(GSTACK) ; \ |
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+ else \ |
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+ true ; \ |
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+ fi ; \ |
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+ $(SHELL) $(srcdir)/../mkinstalldirs $(DESTDIR)$(bindir) ; \ |
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+ $(INSTALL_PROGRAM) $(srcdir)/$(GSTACK).sh \ |
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+ $(DESTDIR)$(bindir)/$$transformed_name$(EXEEXT) ; \ |
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+ : $(SHELL) $(srcdir)/../mkinstalldirs \ |
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+ $(DESTDIR)$(man1dir) ; \ |
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+ : $(INSTALL_DATA) $(srcdir)/gstack.1 \ |
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+ $(DESTDIR)$(man1dir)/$$transformed_name.1 |
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+ |
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+uninstall: force uninstall-gstack $(CONFIG_UNINSTALL) |
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transformed_name=`t='$(program_transform_name)'; \ |
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echo gdb | sed -e $$t` ; \ |
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if test "x$$transformed_name" = x; then \ |
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@@ -1847,6 +1865,18 @@ uninstall: force $(CONFIG_UNINSTALL) |
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rm -f $(DESTDIR)$(bindir)/$$transformed_name |
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@$(MAKE) DO=uninstall "DODIRS=$(SUBDIRS)" $(FLAGS_TO_PASS) subdir_do |
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+.PHONY: uninstall-gstack |
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+uninstall-gstack: |
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+ transformed_name=`t='$(program_transform_name)'; \ |
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+ echo $(GSTACK) | sed -e $$t` ; \ |
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+ if test "x$$transformed_name" = x; then \ |
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+ transformed_name=$(GSTACK) ; \ |
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+ else \ |
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+ true ; \ |
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+ fi ; \ |
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+ rm -f $(DESTDIR)$(bindir)/$$transformed_name$(EXEEXT) \ |
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+ $(DESTDIR)$(man1dir)/$$transformed_name.1 |
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+ |
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# The C++ name parser can be built standalone for testing. |
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test-cp-name-parser.o: cp-name-parser.c |
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$(COMPILE) -DTEST_CPNAMES cp-name-parser.c |
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diff --git a/gdb/gstack.sh b/gdb/gstack.sh |
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new file mode 100644 |
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--- /dev/null |
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+++ b/gdb/gstack.sh |
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@@ -0,0 +1,43 @@ |
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+#!/bin/sh |
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+ |
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+if test $# -ne 1; then |
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+ echo "Usage: `basename $0 .sh` <process-id>" 1>&2 |
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+ exit 1 |
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+fi |
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+ |
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+if test ! -r /proc/$1; then |
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+ echo "Process $1 not found." 1>&2 |
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+ exit 1 |
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+fi |
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+ |
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+# GDB doesn't allow "thread apply all bt" when the process isn't |
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+# threaded; need to peek at the process to determine if that or the |
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+# simpler "bt" should be used. |
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+ |
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+backtrace="bt" |
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+if test -d /proc/$1/task ; then |
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+ # Newer kernel; has a task/ directory. |
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+ if test `/bin/ls /proc/$1/task | /usr/bin/wc -l` -gt 1 2>/dev/null ; then |
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+ backtrace="thread apply all bt" |
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+ fi |
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+elif test -f /proc/$1/maps ; then |
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+ # Older kernel; go by it loading libpthread. |
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+ if /bin/grep -e libpthread /proc/$1/maps > /dev/null 2>&1 ; then |
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+ backtrace="thread apply all bt" |
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+ fi |
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+fi |
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+ |
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+GDB=${GDB:-gdb} |
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+ |
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+# Run GDB, strip out unwanted noise. |
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+# --readnever is no longer used since .gdb_index is now in use. |
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+$GDB --quiet -nx $GDBARGS /proc/$1/exe $1 <<EOF 2>&1 | |
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+set width 0 |
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+set height 0 |
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+set pagination no |
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+$backtrace |
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+EOF |
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+/bin/sed -n \ |
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+ -e 's/^\((gdb) \)*//' \ |
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+ -e '/^#/p' \ |
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+ -e '/^Thread/p' |
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diff --git a/gdb/testsuite/gdb.base/gstack.c b/gdb/testsuite/gdb.base/gstack.c |
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new file mode 100644 |
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--- /dev/null |
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+++ b/gdb/testsuite/gdb.base/gstack.c |
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@@ -0,0 +1,43 @@ |
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+/* This testcase is part of GDB, the GNU debugger. |
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+ |
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+ Copyright 2005, 2007, 2008, 2009 Free Software Foundation, Inc. |
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+ |
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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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+#include <stdio.h> |
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+#include <unistd.h> |
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+#include <string.h> |
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+ |
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+void |
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+func (void) |
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+{ |
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+ const char msg[] = "looping\n"; |
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+ |
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+ /* Use the most simple notification not to get caught by attach on exiting |
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+ the function. */ |
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+ write (1, msg, strlen (msg)); |
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+ |
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+ for (;;); |
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+} |
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+ |
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+int |
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+main (void) |
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+{ |
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+ alarm (60); |
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+ nice (100); |
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+ |
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+ func (); |
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+ |
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+ return 0; |
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+} |
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diff --git a/gdb/testsuite/gdb.base/gstack.exp b/gdb/testsuite/gdb.base/gstack.exp |
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new file mode 100644 |
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--- /dev/null |
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+++ b/gdb/testsuite/gdb.base/gstack.exp |
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@@ -0,0 +1,84 @@ |
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+# Copyright (C) 2012 Free Software Foundation, Inc. |
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+ |
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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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+set testfile gstack |
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+set executable ${testfile} |
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+set binfile [standard_output_file $executable] |
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+if {[build_executable ${testfile} ${executable} "" {debug}] == -1} { |
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+ return -1 |
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+} |
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+ |
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+set test "spawn inferior" |
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+set command "${binfile}" |
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+set res [remote_spawn host $command]; |
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+if { $res < 0 || $res == "" } { |
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+ perror "Spawning $command failed." |
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+ fail $test |
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+ return |
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+} |
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+ |
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+# The spawn id of the test inferior. |
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+set test_spawn_id $res |
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+ |
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+set use_gdb_stub 1 |
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+set pid [exp_pid -i $res] |
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+gdb_expect { |
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+ -re "looping\r\n" { |
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+ pass $test |
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+ } |
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+ eof { |
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+ fail "$test (eof)" |
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+ return |
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+ } |
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+ timeout { |
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+ fail "$test (timeout)" |
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+ return |
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+ } |
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+} |
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+ |
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+# Testcase uses the most simple notification not to get caught by attach on |
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+# exiting the function. Still we could retry the gstack command if we fail. |
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+ |
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+set test "spawn gstack" |
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+set command "sh -c GDB=$GDB\\ GDBARGS=-data-directory\\\\\\ $BUILD_DATA_DIRECTORY\\ sh\\ ${srcdir}/../gstack.sh\\ $pid\\;echo\\ GSTACK-END" |
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+set res [remote_spawn host $command]; |
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+if { $res < 0 || $res == "" } { |
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+ perror "Spawning $command failed." |
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+ fail $test |
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+} |
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+ |
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+set gdb_spawn_id $res |
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+ |
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+gdb_test_multiple "" $test { |
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+ -re "^#0 +(0x\[0-9a-f\]+ in )?\\.?func \\(\\) at \[^\r\n\]*\r\n#1 +0x\[0-9a-f\]+ in \\.?main \\(\\) at \[^\r\n\]*\r\nGSTACK-END\r\n\$" { |
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+ pass $test |
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+ } |
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+} |
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+ |
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+gdb_test_multiple "" "gstack exits" { |
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+ eof { |
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+ set result [wait -i $gdb_spawn_id] |
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+ verbose $result |
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+ |
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+ gdb_assert { [lindex $result 2] == 0 } "gstack exits with no error" |
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+ gdb_assert { [lindex $result 3] == 0 } "gstack's exit status is 0" |
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+ |
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+ remote_close host |
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+ clear_gdb_spawn_id |
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+ } |
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+} |
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+ |
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+# Kill the test inferior. |
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+kill_wait_spawned_process $test_spawn_id
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