diff options
Diffstat (limited to 'gdb/testsuite/gdb.base/attach.exp')
| -rw-r--r-- | gdb/testsuite/gdb.base/attach.exp | 437 |
1 files changed, 437 insertions, 0 deletions
diff --git a/gdb/testsuite/gdb.base/attach.exp b/gdb/testsuite/gdb.base/attach.exp new file mode 100644 index 00000000000..b86838b2afd --- /dev/null +++ b/gdb/testsuite/gdb.base/attach.exp @@ -0,0 +1,437 @@ +# Copyright (C) 1997 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 + +# 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 $tracelevel then { + strace $tracelevel + } + +set prms_id 0 +set bug_id 0 + + +if { ![istarget "hppa*-*-hpux*"] } { + #setup_xfail "*-*-*" + 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 $"\ + {pass "attach to nonsense is prohibited"} + -re "Attaching to.*$gdb_prompt $"\ + {fail "attach to nonsense is prohibited (bogus pid allowed)"} + -re "$gdb_prompt $" {fail "attach to nonsense is prohibited"} + timeout {fail "(timeout) attach to nonsense is prohibited"} + } + + # Verify that we cannot attach to what appears to be a valid + # process ID, but is a process that doesn't exist. (I don't + # believe any process is ever assigned #0, at least on HPUX.) + # + send_gdb "attach 0\n" + gdb_expect { + # This reponse is expected on HP-UX 10.20 (i.e., ptrace-based). + -re "Attaching to.*, process 0.*No such process.*$gdb_prompt $"\ + {pass "attach to nonexistent process is prohibited"} + # This response is expected on HP-UX 10.30 & 11.0 (i.e., ttrace-based). + -re "Attaching to.*, process 0 failed.*Hint.*$gdb_prompt $"\ + {pass "attach to nonexistent process is prohibited"} + -re "$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 + +# Until "set follow-fork-mode" and "catch fork" are implemented on +# other targets... +# +if ![istarget "hppa*-hp-hpux*"] then { + setup_xfail "*-*-*" +} + +# Cleanup the files placed in /tmp and the symlinks + remote_exec build "rm -f ${binfile} ${binfile2} /tmp/attach1.${pid} /tmp/attach2.${pid}" + +return 0 |