| # Copyright 1997, 1999, 2002-2004, 2007-2012 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/>. */ |
| |
| |
| # 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 escapedbinfile [string_to_regexp ${objdir}/${subdir}/${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}" "${binfile}" executable {debug}] != "" } { |
| untested attach.exp |
| return -1 |
| } |
| |
| # Build the in-system-call test |
| |
| if { [gdb_compile "${srcdir}/${subdir}/${srcfile2}" "${binfile2}" executable {debug}] != "" } { |
| untested attach.exp |
| return -1 |
| } |
| |
| if [get_compiler_info] { |
| return -1 |
| } |
| |
| proc do_attach_tests {} { |
| global gdb_prompt |
| global binfile |
| global escapedbinfile |
| 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 |
| 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 == $testpid) print \$4; }" ] |
| } |
| |
| # Verify that we cannot attach to nonsense. |
| |
| set test "attach to nonsense is prohibited" |
| gdb_test_multiple "attach abc" "$test" { |
| -re "Illegal process-id: abc\\.\r\n$gdb_prompt $" { |
| pass "$test" |
| } |
| -re "Attaching to.*, process .*couldn't open /proc file.*$gdb_prompt $" { |
| # Response expected from /proc-based systems. |
| pass "$test" |
| } |
| -re "Can't attach to process..*$gdb_prompt $" { |
| # Response expected on Cygwin |
| pass "$test" |
| } |
| -re "Attaching to.*$gdb_prompt $" { |
| fail "$test (bogus pid allowed)" |
| } |
| } |
| |
| # Verify that we cannot attach to nonsense even if its initial part is |
| # a valid PID. |
| |
| set test "attach to digits-starting nonsense is prohibited" |
| gdb_test_multiple "attach ${testpid}x" "$test" { |
| -re "Illegal process-id: ${testpid}x\\.\r\n$gdb_prompt $" { |
| pass "$test" |
| } |
| -re "Attaching to.*, process .*couldn't open /proc file.*$gdb_prompt $" { |
| # Response expected from /proc-based systems. |
| pass "$test" |
| } |
| -re "Can't attach to process..*$gdb_prompt $" { |
| # Response expected on Cygwin |
| pass "$test" |
| } |
| -re "Attaching to.*$gdb_prompt $" { |
| fail "$test (bogus pid allowed)" |
| } |
| } |
| |
| # Verify that we cannot attach to what appears to be a valid |
| # process ID, but is a process that doesn't exist. Traditionally, |
| # most systems didn't have a process with ID 0, so we take that as |
| # the default. However, there are a few exceptions. |
| |
| set boguspid 0 |
| if { [istarget "*-*-*bsd*"] } { |
| # In FreeBSD 5.0, PID 0 is used for "swapper". Use -1 instead |
| # (which should have the desired effect on any version of |
| # FreeBSD, and probably other *BSD's too). |
| set boguspid -1 |
| } |
| set test "attach to nonexistent process is prohibited" |
| gdb_test_multiple "attach $boguspid" "$test" { |
| -re "Attaching to.*, process $boguspid.*No such process.*$gdb_prompt $" { |
| # Response expected on ptrace-based systems (i.e. HP-UX 10.20). |
| pass "$test" |
| } |
| -re "Attaching to.*, process $boguspid failed.*Hint.*$gdb_prompt $" { |
| # Response expected on ttrace-based systems (i.e. HP-UX 11.0). |
| pass "$test" |
| } |
| -re "Attaching to.*, process $boguspid.*denied.*$gdb_prompt $" { |
| pass "$test" |
| } |
| -re "Attaching to.*, process $boguspid.*not permitted.*$gdb_prompt $" { |
| pass "$test" |
| } |
| -re "Attaching to.*, process .*couldn't open /proc file.*$gdb_prompt $" { |
| # Response expected from /proc-based systems. |
| pass "$test" |
| } |
| -re "Can't attach to process..*$gdb_prompt $" { |
| # Response expected on Cygwin |
| pass "$test" |
| } |
| -re "Attaching to.*, process $boguspid.*failed.*$gdb_prompt $" { |
| # Response expected on the extended-remote target. |
| pass "$test" |
| } |
| } |
| |
| # 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.) |
| |
| set test "set file, before attach1" |
| gdb_test_multiple "file $binfile" "$test" { |
| -re "Load new symbol table from.*y or n. $" { |
| gdb_test "y" "Reading symbols from $escapedbinfile\.\.\.*done." \ |
| "$test (re-read)" |
| } |
| -re "Reading symbols from $escapedbinfile\.\.\.*done.*$gdb_prompt $" { |
| pass "$test" |
| } |
| } |
| |
| set test "attach1, after setting file" |
| gdb_test_multiple "attach $testpid" "$test" { |
| -re "Attaching to program.*`?$escapedbinfile'?, process $testpid.*main.*at .*$srcfile:.*$gdb_prompt $" { |
| pass "$test" |
| } |
| -re "Attaching to program.*`?$escapedbinfile\.exe'?, process $testpid.*\[Switching to thread $testpid\..*\].*$gdb_prompt $" { |
| # Response expected on Cygwin |
| pass "$test" |
| } |
| } |
| |
| # Verify that we can "see" the variable "should_exit" in the |
| # program, and that it is zero. |
| |
| gdb_test "print should_exit" " = 0" "after attach1, print should_exit" |
| |
| # Detach the process. |
| |
| gdb_test "detach" \ |
| "Detaching from program: .*$escapedbinfile, process $testpid" \ |
| "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 $timeout |
| set timeout 15 |
| set test "attach1, purging symbols after detach" |
| gdb_test_multiple "file" "$test" { |
| -re "No executable file now.*Discard symbol table.*y or n. $" { |
| gdb_test "y" "No symbol file now." "$test" |
| } |
| } |
| set timeout $old_timeout |
| |
| # Verify that we can attach to the process just by giving the |
| # process ID. |
| |
| set test "attach2, with no file" |
| set found_exec_file 0 |
| gdb_test_multiple "attach $testpid" "$test" { |
| -re "Attaching to process $testpid.*Load new symbol table from \"$escapedbinfile\.exe\".*y or n. $" { |
| # On Cygwin, the DLL's symbol tables are loaded prior to the |
| # executable's symbol table. This in turn always results in |
| # asking the user for actually loading the symbol table of the |
| # executable. |
| gdb_test "y" "Reading symbols from $escapedbinfile\.\.\.*done." \ |
| "$test (reset file)" |
| |
| set found_exec_file 1 |
| } |
| -re "Attaching to process $testpid.*Reading symbols from $escapedbinfile.*main.*at .*$gdb_prompt $" { |
| pass "$test" |
| set found_exec_file 1 |
| } |
| } |
| |
| if {$found_exec_file == 0} { |
| set test "load file manually, after attach2" |
| gdb_test_multiple "file $binfile" "$test" { |
| -re "A program is being debugged already..*Are you sure you want to change the file.*y or n. $" { |
| gdb_test "y" "Reading symbols from $escapedbinfile\.\.\.*done." \ |
| "$test (re-read)" |
| } |
| -re "Reading symbols from $escapedbinfile\.\.\.*done.*$gdb_prompt $" { |
| pass "$test" |
| } |
| } |
| } |
| |
| # Verify that we can modify the variable "should_exit" in the |
| # program. |
| |
| gdb_test_no_output "set should_exit=1" "after attach2, set should_exit" |
| |
| # Verify that the modification really happened. |
| |
| gdb_test "tbreak 19" "Temporary breakpoint .*at.*$srcfile, line 19.*" \ |
| "after attach2, set tbreak postloop" |
| |
| gdb_test "continue" "main.*at.*$srcfile:19.*" \ |
| "after attach2, reach tbreak postloop" |
| |
| # Allow the test process to exit, to cleanup after ourselves. |
| |
| gdb_continue_to_end "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 |
| 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 attach3, flush symbols" |
| gdb_test_multiple "symbol-file" "$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 attach3, flush exec" |
| |
| gdb_test "attach $testpid" \ |
| "Attaching to process $testpid.*Reading symbols from $escapedbinfile.*main.*at .*" \ |
| "attach when process' a.out not in cwd" |
| |
| set test "after attach3, exit" |
| gdb_test "kill" \ |
| "" \ |
| "$test" \ |
| "Kill the program being debugged.*y or n. $" \ |
| "y" |
| |
| # Another "don't leave a process around" |
| remote_exec build "kill -9 ${testpid}" |
| } |
| |
| 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 |
| 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; }" ] |
| } |
| |
| # Attach |
| |
| gdb_test "file $binfile2" ".*" "force switch to gdb64, if necessary" |
| set test "attach call" |
| gdb_test_multiple "attach $testpid" "$test" { |
| -re "warning: reading register.*I.*O error.*$gdb_prompt $" { |
| fail "$test (read register error)" |
| } |
| -re "Attaching to.*process $testpid.*libc.*$gdb_prompt $" { |
| pass "$test" |
| } |
| -re "Attaching to.*process $testpid.*\[Switching to thread $testpid\..*\].*$gdb_prompt $" { |
| pass "$test" |
| } |
| } |
| |
| # 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_continue_to_end |
| |
| # 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 |
| |
| gdb_reinitialize_dir $srcdir/$subdir |
| do_call_attach_tests |
| |
| return 0 |
