darkkirb/old-cross-binutils
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity
old-cross-binutils/gdb/testsuite/gdb.base/attach.exp
Joel Brobecker 52d309e45f * gdb.base/attach.exp: Add patterns to match output from /proc-based 
systems.
       Move comments in expect statements to inside the actions, so that they
       don't get matched against.
2002-07-11 00:51:37 +00:00

446 lines
15 KiB
Text
Raw Blame History

# Copyright 1997, 1999, 2002 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. */
# Please email any bugs, comments, and/or additions to this file to:
# bug-gdb@prep.ai.mit.edu
if $tracelevel then {
strace $tracelevel
}
set prms_id 0
set bug_id 0
# 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 "hppa*-*-hpux*"] } {
return 0
}
# are we on a target board
if [is_remote target] then {
return 0
}
set testfile "attach"
set srcfile ${testfile}.c
set srcfile2 ${testfile}2.c
set binfile ${objdir}/${subdir}/${testfile}
set binfile2 ${objdir}/${subdir}/${testfile}2
set cleanupfile ${objdir}/${subdir}/${testfile}.awk
#execute_anywhere "rm -f ${binfile} ${binfile2}"
remote_exec build "rm -f ${binfile} ${binfile2}"
# For debugging this test
#
#log_user 1
# Clean out any old files from past runs.
#
remote_exec build "${cleanupfile}"
# build the first test case
#
if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
}
# Because we can't attach over nfs, copy binfile to /tmp/${binfile}.${pid}
# and replace binfile with a symbolic link
set pid [pid]
exec /bin/cp -f ${binfile} /tmp/attach1.${pid}
exec rm -f ${binfile}
set binfile /tmp/attach1.${pid}
# exec ln -s /tmp/attach1.${pid} ${binfile}
# Build the in-system-call test
if { [gdb_compile "${srcdir}/${subdir}/${srcfile2}" "${binfile2}" executable {debug}] != "" } {
gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
}
# Because we can't attach over nfs, copy binfile2 to /tmp/${binfile2}.${pid}
# and replace binfile2 with a symbolic link
set pid [pid]
exec cp -f ${binfile2} /tmp/attach2.${pid}
exec rm -f ${binfile2}
set binfile2 /tmp/attach2.${pid}
# exec ln -s /tmp/attach2.${pid} ${binfile2}
if [get_compiler_info ${binfile}] {
return -1
}
proc do_attach_tests {} {
global gdb_prompt
global binfile
global srcfile
global testfile
global objdir
global subdir
global timeout
# Start the program running and then wait for a bit, to be sure
# that it can be attached to.
#
set testpid [eval exec $binfile &]
exec sleep 2
# Verify that we cannot attach to nonsense.
#
send_gdb "attach abc\n"
gdb_expect {
-re ".*Illegal process-id: abc.*$gdb_prompt $"\
{pass "attach to nonsense is prohibited"}
-re "Attaching to.*, process .*couldn't open /proc file.*$gdb_prompt $"\
{
# Response expected from /proc-based systems.
pass "attach to nonsense is prohibited"
}
-re "Attaching to.*$gdb_prompt $"\
{fail "attach to nonsense is prohibited (bogus pid allowed)"}
-re "$gdb_prompt $" {fail "attach to nonsense is prohibited"}
timeout {fail "(timeout) attach to nonsense is prohibited"}
}
# Verify that we cannot attach to what appears to be a valid
# process ID, but is a process that doesn't exist. (I don't
# believe any process is ever assigned #0, at least on HPUX.)
#
send_gdb "attach 0\n"
gdb_expect {
-re "Attaching to.*, process 0.*No such process.*$gdb_prompt $"\
{
# Response expected on HP-UX 10.20 (i.e., ptrace-based).
pass "attach to nonexistent process is prohibited"
}
-re "Attaching to.*, process 0 failed.*Hint.*$gdb_prompt $"\
{
# Response expected on HP-UX 11.0 (i.e., ttrace-based).
pass "attach to nonexistent process is prohibited"
}
-re "Attaching to.*, process 0.*denied.*$gdb_prompt $"\
{pass "attach to nonexistent process is prohibited"}
-re "Attaching to.*, process .*couldn't open /proc file.*$gdb_prompt $"\
{
# Response expected from /proc-based systems.
pass "attach to nonexistent process is prohibited"
}
-re "$gdb_prompt $" {fail "attach to nonexistent process is prohibited"}
timeout {fail "(timeout) attach to nonexistent process is prohibited"}
}
# Verify that we can attach to the process by first giving its
# executable name via the file command, and using attach with
# the process ID.
#
# (Actually, the test system appears to do this automatically
# for us. So, we must also be prepared to be asked if we want
# to discard an existing set of symbols.)
#
send_gdb "file $binfile\n"
gdb_expect {
-re "Load new symbol table from.*y or n.*$" {
send_gdb "y\n"
gdb_expect {
-re "Reading symbols from $binfile\.\.\.*done.*$gdb_prompt $"\
{pass "(re)set file, before attach1"}
-re "$gdb_prompt $" {fail "(re)set file, before attach1"}
timeout {fail "(timeout) (re)set file, before attach1"}
}
}
-re "Reading symbols from $binfile\.\.\.*done.*$gdb_prompt $"\
{pass "set file, before attach1"}
-re "$gdb_prompt $" {fail "set file, before attach1"}
timeout {fail "(timeout) set file, before attach1"}
}
send_gdb "attach $testpid\n"
gdb_expect {
-re "Attaching to program.*`?$binfile'?, process $testpid.*main.*at .*$srcfile:.*$gdb_prompt $"\
{pass "attach1, after setting file"}
-re "$gdb_prompt $" {fail "attach1, after setting file"}
timeout {fail "(timeout) attach1, after setting file"}
}
# Verify that we can "see" the variable "should_exit" in the
# program, and that it is zero.
#
send_gdb "print should_exit\n"
gdb_expect {
-re ".* = 0.*$gdb_prompt $"\
{pass "after attach1, print should_exit"}
-re "$gdb_prompt $" {fail "after attach1, print should_exit"}
timeout {fail "(timeout) after attach1, print should_exit"}
}
# Detach the process.
#
send_gdb "detach\n"
gdb_expect {
-re "Detaching from program: .*$binfile.*$gdb_prompt $"\
{pass "attach1 detach"}
-re "$gdb_prompt $" {fail "attach1 detach"}
timeout {fail "(timeout) attach1 detach"}
}
# Wait a bit for gdb to finish detaching
#
exec sleep 5
# Purge the symbols from gdb's brain. (We want to be certain
# the next attach, which won't be preceded by a "file" command,
# is really getting the executable file without our help.)
#
set old_timeout $timeout
set timeout 15
send_gdb "file\n"
gdb_expect {
-re ".*gdb internal error.*$" {
fail "Internal error, prob. Memory corruption"
}
-re "No executable file now.*Discard symbol table.*y or n.*$" {
send_gdb "y\n"
gdb_expect {
-re "No symbol file now.*$gdb_prompt $"\
{pass "attach1, purging symbols after detach"}
-re "$gdb_prompt $" {fail "attach1, purging symbols after detach"}
timeout {fail "(timeout) attach1, purging symbols after detach"}
}
}
-re "$gdb_prompt $" {fail "attach1, purging file after detach"}
timeout {
fail "(timeout) attach1, purging file after detach"
}
}
set timeout $old_timeout
# Verify that we can attach to the process just by giving the
# process ID.
#
send_gdb "attach $testpid\n"
gdb_expect {
-re "Attaching to process $testpid.*Reading symbols from $binfile.*main.*at .*$gdb_prompt $"\
{pass "attach2"}
-re "$gdb_prompt $" {fail "attach2"}
timeout {fail "(timeout) attach2"}
}
# Verify that we can modify the variable "should_exit" in the
# program.
#
send_gdb "set should_exit=1\n"
gdb_expect {
-re "$gdb_prompt $" {pass "after attach2, set should_exit"}
timeout {fail "(timeout) after attach2, set should_exit"}
}
# Verify that the modification really happened.
#
send_gdb "tbreak 19\n"
gdb_expect {
-re "Breakpoint .*at.*$srcfile, line 19.*$gdb_prompt $"\
{pass "after attach2, set tbreak postloop"}
-re "$gdb_prompt $" {fail "after attach2, set tbreak postloop"}
timeout {fail "(timeout) after attach2, set tbreak postloop"}
}
send_gdb "continue\n"
gdb_expect {
-re "main.*at.*$srcfile:19.*$gdb_prompt $"\
{pass "after attach2, reach tbreak postloop"}
-re "$gdb_prompt $" {fail "after attach2, reach tbreak postloop"}
timeout {fail "(timeout) after attach2, reach tbreak postloop"}
}
# Allow the test process to exit, to cleanup after ourselves.
#
send_gdb "continue\n"
gdb_expect {
-re "Program exited normally.*$gdb_prompt $"\
{pass "after attach2, exit"}
-re "$gdb_prompt $" {fail "after attach2, exit"}
timeout {fail "(timeout) after attach2, 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
# 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.)
#
send_gdb "dir ${objdir}/${subdir}\n"
gdb_expect {
-re ".*Source directories searched: .*$gdb_prompt $"\
{pass "set source path"}
-re "$gdb_prompt $" {fail "set source path"}
timeout {fail "(timeout) set source path"}
}
send_gdb "cd /tmp\n"
gdb_expect {
-re ".*Working directory /tmp.*$gdb_prompt $"\
{pass "cd away from process' a.out"}
-re "$gdb_prompt $" {fail "cd away from process' a.out"}
timeout {fail "(timeout) cd away from process' a.out"}
}
# Explicitly flush out any knowledge of the previous attachment.
send_gdb "symbol\n"
gdb_expect {
-re ".*Discard symbol table from.*y or n. $"\
{send_gdb "y\n"
gdb_expect {
-re ".*No symbol file now.*$gdb_prompt $"\
{pass "before attach3, flush symbols"}
-re "$gdb_prompt $" {fail "before attach3, flush symbols"}
timeout {fail "(timeout) before attach3, flush symbols"}
}
}
-re ".*No symbol file now.*$gdb_prompt $"\
{pass "before attach3, flush symbols"}
-re "$gdb_prompt $" {fail "before attach3, flush symbols"}
timeout {fail "(timeout) before attach3, flush symbols"}
}
send_gdb "exec\n"
gdb_expect {
-re ".*No executable file now.*$gdb_prompt $"\
{pass "before attach3, flush exec"}
-re "$gdb_prompt $" {fail "before attach3, flush exec"}
timeout {fail "(timeout) before attach3, flush exec"}
}
send_gdb "attach $testpid\n"
gdb_expect {
-re "Attaching to process $testpid.*Reading symbols from $binfile.*main.*at .*$gdb_prompt $"\
{pass "attach when process' a.out not in cwd"}
-re "$gdb_prompt $" {fail "attach when process' a.out not in cwd"}
timeout {fail "(timeout) attach when process' a.out not in cwd"}
}
send_gdb "kill\n"
gdb_expect {
-re ".*Kill the program being debugged.*y or n. $"\
{send_gdb "y\n"
gdb_expect {
-re "$gdb_prompt $" {pass "after attach3, exit"}
timeout {fail "(timeout) after attach3, exit"}
}
}
-re "$gdb_prompt $" {fail "after attach3, exit"}
timeout {fail "(timeout) after attach3, exit"}
}
}
proc do_call_attach_tests {} {
global gdb_prompt
global binfile2
# Start the program running and then wait for a bit, to be sure
# that it can be attached to.
#
set testpid [eval exec $binfile2 &]
exec sleep 2
# Attach
#
gdb_test "file $binfile2" ".*" "force switch to gdb64, if necessary"
send_gdb "attach $testpid\n"
gdb_expect {
-re ".*warning: reading register.*I.*O error.*$gdb_prompt $" {
fail "attach call, read register 3 error"
}
-re "Attaching to.*process $testpid.*libc.*$gdb_prompt $" {
pass "attach call"
}
-re "$gdb_prompt $" {fail "attach call"}
timeout {fail "(timeout) attach call"}
}
# See if other registers are problems
#
send_gdb "i r r3\n"
gdb_expect {
-re ".*warning: reading register.*$gdb_prompt $" {
pass "CHFts23490: known bug"
}
-re ".*r3.*$gdb_prompt $" {
pass "Bug fixed, Yayyy!"
}
timeout { fail "timeout on info reg" }
}
# Get rid of the process
#
gdb_test "p should_exit = 1" ".*"
gdb_test "c" ".*Program exited normally.*"
# Be paranoid
#
remote_exec build "kill -9 ${testpid}"
}
# Start with a fresh gdb
#
gdb_exit
gdb_start
gdb_reinitialize_dir $srcdir/$subdir
gdb_load ${binfile}
# 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
gdb_start
# this seems not necessary. - guo
#
# # Since we have moved the executable to /tmp, it will be hard for gdb
# # to find the object file/executable to read the symbols. This is
# # a known limitation. We try and get the name of the executable the
# # process is running from a variety of methods, but none is foolproof.
# # Using "dir" will get us the symbols.
#
# gdb_test "dir ./gdb.base" ".*" "set up directory before attach"
gdb_reinitialize_dir $srcdir/$subdir
do_call_attach_tests
# Cleanup the files placed in /tmp and the symlinks
remote_exec build "rm -f ${binfile} ${binfile2} /tmp/attach1.${pid} /tmp/attach2.${pid}"
return 0
Reference in a new issue View git blame Copy permalink