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gdb.8854
gdb-6.3-inferior-notification-20050721.patch
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File gdb-6.3-inferior-notification-20050721.patch of Package gdb.8854
From FEDORA_PATCHES Mon Sep 17 00:00:00 2001 From: Jeff Johnston <jjohnstn@redhat.com> Date: Fri, 27 Oct 2017 21:07:50 +0200 Subject: gdb-6.3-inferior-notification-20050721.patch ;; Notify observers that the inferior has been created ;;=fedoratest 2005-07-21 Jeff Johnston <jjohnstn@redhat.com> * gdb.base/attach-32.exp: New test for attaching in 32-bit mode on 64-bit systems. * gdb.base/attach-32.c: Ditto. * gdb.base/attach-32b.c: Ditto. 2007-12-26 Jan Kratochvil <jan.kratochvil@redhat.com> * gdb.base/attach-32.exp: Fix forgotten $GDBFLAGS as set. diff --git a/gdb/testsuite/gdb.base/attach-32.c b/gdb/testsuite/gdb.base/attach-32.c new file mode 100644 --- /dev/null +++ b/gdb/testsuite/gdb.base/attach-32.c @@ -0,0 +1,20 @@ +/* This program is intended to be started outside of gdb, and then + attached to by gdb. Thus, it simply spins in a loop. The loop + is exited when & if the variable 'should_exit' is non-zero. (It + is initialized to zero in this program, so the loop will never + exit unless/until gdb sets the variable to non-zero.) + */ +#include <stdio.h> + +int should_exit = 0; + +int main () +{ + int local_i = 0; + + while (! should_exit) + { + local_i++; + } + return 0; +} diff --git a/gdb/testsuite/gdb.base/attach-32.exp b/gdb/testsuite/gdb.base/attach-32.exp new file mode 100644 --- /dev/null +++ b/gdb/testsuite/gdb.base/attach-32.exp @@ -0,0 +1,245 @@ +# Copyright 2005 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 2 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, write to the Free Software +# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +# +# This test was based on attach.exp and modified for 32/64 bit Linux systems. */ + +# On HP-UX 11.0, this test is causing a process running the program +# "attach" to be left around spinning. Until we figure out why, I am +# commenting out the test to avoid polluting tiamat (our 11.0 nightly +# test machine) with these processes. RT +# +# Setting the magic bit in the target app should work. I added a +# "kill", and also a test for the R3 register warning. JB +if { ![istarget "x86_64*-*linux*"] + && ![istarget "powerpc64*-*linux*"]} { + return 0 +} + +# are we on a target board +if [is_remote target] then { + return 0 +} + +set testfile "attach-32" +set srcfile ${testfile}.c +set srcfile2 ${testfile}b.c +set binfile [standard_output_file ${testfile}] +set binfile2 [standard_output_file ${testfile}b] +set escapedbinfile [string_to_regexp [standard_output_file ${testfile}]] + +#execute_anywhere "rm -f ${binfile} ${binfile2}" +remote_exec build "rm -f ${binfile} ${binfile2}" +# For debugging this test +# +#log_user 1 + +# build the first test case +# +if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable [list debug "additional_flags=-m32"]] != "" } { + gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail." +} + +# Build the in-system-call test + +if { [gdb_compile "${srcdir}/${subdir}/${srcfile2}" "${binfile2}" executable [list debug "additional_flags=-m32"]] != "" } { + gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail." +} + +if [get_compiler_info ${binfile}] { + return -1 +} + +proc do_attach_tests {} { + global gdb_prompt + global binfile + global escapedbinfile + global srcfile + global testfile + global objdir + global subdir + global timeout + global testpid + + # Verify that we can "see" the variable "should_exit" in the + # program, and that it is zero. + + gdb_test "print should_exit" " = 0" "after attach-32, print should_exit" + + # Verify that we can modify the variable "should_exit" in the + # program. + + gdb_test "set should_exit=1" "" "after attach-32, set should_exit" + + # Verify that the modification really happened. + + send_gdb "tbreak 19\n" + gdb_expect { + -re "reakpoint .*at.*$srcfile, line 19.*$gdb_prompt $" { + pass "after attach-32, set tbreak postloop" + } + -re "$gdb_prompt $" { + fail "after attach-32, set tbreak postloop" + } + timeout { + fail "(timeout) after attach-32, set tbreak postloop" + } + } + send_gdb "continue\n" + gdb_expect { + -re "main.*at.*$srcfile:19.*$gdb_prompt $" { + pass "after attach-32, reach tbreak postloop" + } + -re "$gdb_prompt $" { + fail "after attach-32, reach tbreak postloop" + } + timeout { + fail "(timeout) after attach-32, reach tbreak postloop" + } + } + + # Allow the test process to exit, to cleanup after ourselves. + + gdb_test "continue" {\[Inferior .* exited normally\]} "after attach-32, exit" + + # Make sure we don't leave a process around to confuse + # the next test run (and prevent the compile by keeping + # the text file busy), in case the "set should_exit" didn't + # work. + + remote_exec build "kill -9 ${testpid}" + + # Start the program running and then wait for a bit, to be sure + # that it can be attached to. + + set testpid [eval exec $binfile &] + exec sleep 2 + if { [istarget "*-*-cygwin*"] } { + # testpid is the Cygwin PID, GDB uses the Windows PID, which might be + # different due to the way fork/exec works. + set testpid [ exec ps -e | gawk "{ if (\$1 == $testpid) print \$4; }" ] + } + + # Verify that we can attach to the process, and find its a.out + # when we're cd'd to some directory that doesn't contain the + # a.out. (We use the source path set by the "dir" command.) + + gdb_test "dir ${objdir}/${subdir}" "Source directories searched: .*" \ + "set source path" + + gdb_test "cd /tmp" "Working directory /tmp." \ + "cd away from process working directory" + + # Explicitly flush out any knowledge of the previous attachment. + + set test "before attach-32-3, flush symbols" + gdb_test_multiple "symbol" "$test" { + -re "Discard symbol table from.*y or n. $" { + gdb_test "y" "No symbol file now." \ + "$test" + } + -re "No symbol file now.*$gdb_prompt $" { + pass "$test" + } + } + + gdb_test "exec" "No executable file now." \ + "before attach-32-3, flush exec" + + gdb_test "attach $testpid" \ + "Attaching to process $testpid.*Reading symbols from $escapedbinfile.*main.*at .*" \ + "attach-32 when process' a.out not in cwd" + + set test "after attach-32-3, exit" + gdb_test_multiple "kill" "$test" { + -re "Kill the program being debugged.*y or n. $" { + gdb_test "y" "" "$test" + } + } + + # Another "don't leave a process around" + remote_exec build "kill -9 ${testpid}" +} + +proc do_call_attach_tests {} { + global gdb_prompt + global binfile2 + global testpid + + # See if other registers are problems + + set test "info other register" + gdb_test_multiple "i r r3" "$test" { + -re "warning: reading register.*$gdb_prompt $" { + fail "$test" + } + -re "r3.*$gdb_prompt $" { + pass "$test" + } + } + + # Get rid of the process + + gdb_test "p should_exit = 1" + gdb_test "c" {\[Inferior .* exited normally\]} + + # Be paranoid + + remote_exec build "kill -9 ${testpid}" +} + + +# Start with a fresh gdb + +gdb_exit +set testpid [eval exec $binfile &] +exec sleep 3 +if { [istarget "*-*-cygwin*"] } { + # testpid is the Cygwin PID, GDB uses the Windows PID, which might be + # different due to the way fork/exec works. + set testpid [ exec ps -e | gawk "{ if (\$1 == $testpid) print \$4; }" ] +} + +set GDBFLAGS_orig $GDBFLAGS +set GDBFLAGS "--pid=$testpid" +gdb_start +set GDBFLAGS $GDBFLAGS_orig + +gdb_reinitialize_dir $srcdir/$subdir + +# This is a test of gdb's ability to attach to a running process. + +do_attach_tests + +# Test attaching when the target is inside a system call + +gdb_exit +set testpid [eval exec $binfile2 &] +exec sleep 3 +if { [istarget "*-*-cygwin*"] } { + # testpid is the Cygwin PID, GDB uses the Windows PID, which might be + # different due to the way fork/exec works. + set testpid [ exec ps -e | gawk "{ if (\$1 == $testpid) print \$4; }" ] +} + +set GDBFLAGS_orig $GDBFLAGS +set GDBFLAGS "--pid=$testpid" +gdb_start +set GDBFLAGS $GDBFLAGS_orig + +gdb_reinitialize_dir $srcdir/$subdir +do_call_attach_tests + +return 0 diff --git a/gdb/testsuite/gdb.base/attach-32b.c b/gdb/testsuite/gdb.base/attach-32b.c new file mode 100644 --- /dev/null +++ b/gdb/testsuite/gdb.base/attach-32b.c @@ -0,0 +1,24 @@ +/* This program is intended to be started outside of gdb, and then + attached to by gdb. Thus, it simply spins in a loop. The loop + is exited when & if the variable 'should_exit' is non-zero. (It + is initialized to zero in this program, so the loop will never + exit unless/until gdb sets the variable to non-zero.) + */ +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> + +int should_exit = 0; + +int main () +{ + int local_i = 0; + + sleep( 10 ); /* System call causes register fetch to fail */ + /* This is a known HPUX "feature" */ + while (! should_exit) + { + local_i++; + } + return (0); +}
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