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gdb
gdb-6.3-gstack-20050411.patch
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File gdb-6.3-gstack-20050411.patch of Package gdb
From FEDORA_PATCHES Mon Sep 17 00:00:00 2001 From: Andrew Cagney <cagney@gnu.org> Date: Fri, 27 Oct 2017 21:07:50 +0200 Subject: gdb-6.3-gstack-20050411.patch FileName: gdb-6.3-gstack-20050411.patch ;; Add a wrapper script to GDB that implements pstack using the ;; --readnever option. ;;=push 2004-11-23 Andrew Cagney <cagney@redhat.com> * Makefile.in (uninstall-gstack, install-gstack): New rules, add to install and uninstall. * gstack.sh, gstack.1: New files. --- gdb/Makefile.in | 34 ++++++++++++++++++-- gdb/gstack.sh | 43 +++++++++++++++++++++++++ gdb/testsuite/gdb.base/gstack.c | 43 +++++++++++++++++++++++++ gdb/testsuite/gdb.base/gstack.exp | 66 +++++++++++++++++++++++++++++++++++++++ 4 files changed, 184 insertions(+), 2 deletions(-) create mode 100644 gdb/gstack.sh create mode 100644 gdb/testsuite/gdb.base/gstack.c create mode 100644 gdb/testsuite/gdb.base/gstack.exp diff --git a/gdb/Makefile.in b/gdb/Makefile.in index 17b71c6e7c..e77d6a5c03 100644 --- a/gdb/Makefile.in +++ b/gdb/Makefile.in @@ -1744,7 +1744,7 @@ info install-info clean-info dvi pdf install-pdf html install-html: force install: all @$(MAKE) $(FLAGS_TO_PASS) install-only -install-only: $(CONFIG_INSTALL) +install-only: install-gstack $(CONFIG_INSTALL) transformed_name=`t='$(program_transform_name)'; \ echo gdb | sed -e "$$t"` ; \ if test "x$$transformed_name" = x; then \ @@ -1784,7 +1784,25 @@ install-guile: install-python: $(SHELL) $(srcdir)/../mkinstalldirs $(DESTDIR)$(GDB_DATADIR)/python/gdb -uninstall: force $(CONFIG_UNINSTALL) +GSTACK=gstack +.PHONY: install-gstack +install-gstack: + transformed_name=`t='$(program_transform_name)'; \ + echo $(GSTACK) | sed -e "$$t"` ; \ + if test "x$$transformed_name" = x; then \ + transformed_name=$(GSTACK) ; \ + else \ + true ; \ + fi ; \ + $(SHELL) $(srcdir)/../mkinstalldirs $(DESTDIR)$(bindir) ; \ + $(INSTALL_PROGRAM) $(srcdir)/$(GSTACK).sh \ + $(DESTDIR)$(bindir)/$$transformed_name$(EXEEXT) ; \ + : $(SHELL) $(srcdir)/../mkinstalldirs \ + $(DESTDIR)$(man1dir) ; \ + : $(INSTALL_DATA) $(srcdir)/gstack.1 \ + $(DESTDIR)$(man1dir)/$$transformed_name.1 + +uninstall: force uninstall-gstack $(CONFIG_UNINSTALL) transformed_name=`t='$(program_transform_name)'; \ echo gdb | sed -e $$t` ; \ if test "x$$transformed_name" = x; then \ @@ -1807,6 +1825,18 @@ uninstall: force $(CONFIG_UNINSTALL) fi @$(MAKE) DO=uninstall "DODIRS=$(SUBDIRS)" $(FLAGS_TO_PASS) subdir_do +.PHONY: uninstall-gstack +uninstall-gstack: + transformed_name=`t='$(program_transform_name)'; \ + echo $(GSTACK) | sed -e $$t` ; \ + if test "x$$transformed_name" = x; then \ + transformed_name=$(GSTACK) ; \ + else \ + true ; \ + fi ; \ + rm -f $(DESTDIR)$(bindir)/$$transformed_name$(EXEEXT) \ + $(DESTDIR)$(man1dir)/$$transformed_name.1 + # The C++ name parser can be built standalone for testing. test-cp-name-parser.o: cp-name-parser.c $(COMPILE) -DTEST_CPNAMES cp-name-parser.c diff --git a/gdb/gstack.sh b/gdb/gstack.sh new file mode 100644 index 0000000000..f7f07248f7 --- /dev/null +++ b/gdb/gstack.sh @@ -0,0 +1,43 @@ +#!/bin/sh + +if test $# -ne 1; then + echo "Usage: `basename $0 .sh` <process-id>" 1>&2 + exit 1 +fi + +if test ! -r /proc/$1; then + echo "Process $1 not found." 1>&2 + exit 1 +fi + +# GDB doesn't allow "thread apply all bt" when the process isn't +# threaded; need to peek at the process to determine if that or the +# simpler "bt" should be used. + +backtrace="bt" +if test -d /proc/$1/task ; then + # Newer kernel; has a task/ directory. + if test `/bin/ls /proc/$1/task | /usr/bin/wc -l` -gt 1 2>/dev/null ; then + backtrace="thread apply all bt" + fi +elif test -f /proc/$1/maps ; then + # Older kernel; go by it loading libpthread. + if /bin/grep -e libpthread /proc/$1/maps > /dev/null 2>&1 ; then + backtrace="thread apply all bt" + fi +fi + +GDB=${GDB:-gdb} + +# Run GDB, strip out unwanted noise. +# --readnever is no longer used since .gdb_index is now in use. +$GDB --quiet -nx $GDBARGS /proc/$1/exe $1 <<EOF 2>&1 | +set width 0 +set height 0 +set pagination no +$backtrace +EOF +/bin/sed -n \ + -e 's/^\((gdb) \)*//' \ + -e '/^#/p' \ + -e '/^Thread/p' diff --git a/gdb/testsuite/gdb.base/gstack.c b/gdb/testsuite/gdb.base/gstack.c new file mode 100644 index 0000000000..dc10813f04 --- /dev/null +++ b/gdb/testsuite/gdb.base/gstack.c @@ -0,0 +1,43 @@ +/* This testcase is part of GDB, the GNU debugger. + + Copyright 2005, 2007, 2008, 2009 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/>. */ + +#include <stdio.h> +#include <unistd.h> +#include <string.h> + +void +func (void) +{ + const char msg[] = "looping\n"; + + /* Use the most simple notification not to get caught by attach on exiting + the function. */ + write (1, msg, strlen (msg)); + + for (;;); +} + +int +main (void) +{ + alarm (60); + nice (100); + + func (); + + return 0; +} diff --git a/gdb/testsuite/gdb.base/gstack.exp b/gdb/testsuite/gdb.base/gstack.exp new file mode 100644 index 0000000000..1186ec57bc --- /dev/null +++ b/gdb/testsuite/gdb.base/gstack.exp @@ -0,0 +1,66 @@ +# Copyright (C) 2012 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/>. + +set testfile gstack +set executable ${testfile} +set binfile [standard_output_file $executable] +if {[build_executable ${testfile} ${executable} "" {debug}] == -1} { + return -1 +} + +set test "spawn inferior" +set command "${binfile}" +set res [remote_spawn host $command]; +if { $res < 0 || $res == "" } { + perror "Spawning $command failed." + fail $test + return +} +set use_gdb_stub 1 +set pid [exp_pid -i $res] +gdb_expect { + -re "looping\r\n" { + pass $test + } + eof { + fail "$test (eof)" + return + } + timeout { + fail "$test (timeout)" + return + } +} +gdb_exit + +# Testcase uses the most simple notification not to get caught by attach on +# exiting the function. Still we could retry the gstack command if we fail. + +set test "spawn gstack" +set command "sh -c GDB=$GDB\\ GDBARGS=-data-directory\\\\\\ $BUILD_DATA_DIRECTORY\\ sh\\ ${srcdir}/../gstack.sh\\ $pid\\;echo\\ GSTACK-END" +set res [remote_spawn host $command]; +if { $res < 0 || $res == "" } { + perror "Spawning $command failed." + fail $test +} +set pid [exp_pid -i $res] +gdb_test_multiple "" $test { + -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\$" { + pass $test + } +} +gdb_exit + +remote_exec host "kill -9 $pid" -- 2.14.3
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