gdb/testsuite/gdb.threads/attach-stopped.exp

   1 # Copyright 2008, 2009, 2010 Free Software Foundation, Inc.
   2
   3 # This program is free software; you can redistribute it and/or modify
   4 # it under the terms of the GNU General Public License as published by
   5 # the Free Software Foundation; either version 3 of the License, or
   6 # (at your option) any later version.
   7 #
   8 # This program is distributed in the hope that it will be useful,
   9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 # GNU General Public License for more details.
  12 #
  13 # You should have received a copy of the GNU General Public License
  14 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  15
  16 # This test was created by modifying attach.exp.
  17 # This file was created by Jeff Johnston <jjohnstn@redhat.com>.
  18 # This file was updated by Jan Kratochvil <jan.kratochvil@redhat.com>.
  19
  20 # This test only works on Linux
  21 if { ![isnative] || [is_remote host] || ![istarget *-linux*] } {
  22     continue
  23 }
  24
  25 set testfile "attach-stopped"
  26 set srcfile  ${testfile}.c
  27 set binfile  ${objdir}/${subdir}/${testfile}
  28 set escapedbinfile  [string_to_regexp ${objdir}/${subdir}/${testfile}]
  29
  30 #execute_anywhere "rm -f ${binfile}"
  31 remote_exec build "rm -f ${binfile}"
  32 # For debugging this test
  33 #
  34 #log_user 1
  35
  36 proc corefunc { threadtype } {
  37     global srcfile
  38     global binfile
  39     global escapedbinfile
  40     global srcdir
  41     global subdir
  42     global gdb_prompt
  43
  44     if [get_compiler_info ${binfile}] {
  45         return -1
  46     }
  47
  48     # Start the program running and then wait for a bit, to be sure
  49     # that it can be attached to.
  50
  51     set testpid [eval exec $binfile &]
  52
  53     # Avoid some race:
  54     sleep 2
  55
  56     # Stop the program
  57     remote_exec build "kill -s STOP ${testpid}"
  58
  59     # Start with clean gdb
  60     gdb_exit
  61     gdb_start
  62     gdb_reinitialize_dir $srcdir/$subdir
  63     gdb_load ${binfile}
  64
  65     # Verify that we can attach to the stopped process.
  66
  67     set test "$threadtype: attach2 to stopped, after setting file"
  68     gdb_test_multiple "attach $testpid" "$test" {
  69         -re "Attaching to program.*`?$escapedbinfile'?, process $testpid.*$gdb_prompt $" {
  70             pass "$test"
  71         }
  72     }
  73
  74     # ".*sleep.*clone.*" would fail on s390x as bt stops at START_THREAD there.
  75     if {[string equal $threadtype threaded]} {
  76         gdb_test "thread apply all bt" ".*sleep.*start_thread.*" "$threadtype: attach2 to stopped bt"
  77     } else {
  78         gdb_test "bt" ".*sleep.*main.*" "$threadtype: attach2 to stopped bt"
  79     }
  80     # This breakpoint is there for old/non-x86 kernels not restarting syscalls.
  81     gdb_breakpoint [gdb_get_line_number "Second sleep"]
  82     set test "$threadtype: attach2 continue"
  83     gdb_test_multiple "continue" "continue ($test)" {
  84         -re "Continuing" {
  85             pass "continue ($test)"
  86         }
  87     }
  88
  89     # For this to work we must be sure to consume the "Continuing."
  90     # message first, or GDB's signal handler may not be in place.
  91     after 1000 {send_gdb "\003"}
  92     set test "$threadtype: attach2 stop interrupt"
  93     gdb_expect 10 {
  94       -re "Program received signal SIGINT.*$gdb_prompt $"
  95         {
  96           pass $test
  97         }
  98       -re "Breakpoint \[0-9\].*$srcfile.*$gdb_prompt $"
  99         {
 100           pass $test
 101         }
 102       timeout
 103         {
 104           fail $test
 105         }
 106     }
 107
 108     gdb_exit
 109
 110     # Avoid some race:
 111     sleep 2
 112
 113     # At this point, the process should be sleeping
 114
 115     if [catch {open /proc/${testpid}/status r} fileid2] {
 116         set line2 "NOTFOUND"
 117     } else {
 118         gets $fileid2 line1;
 119         gets $fileid2 line2;
 120         close $fileid2;
 121     }
 122
 123     set test "$threadtype: attach2, exit leaves process sleeping"
 124     if {[string match "*(sleeping)*" $line2]} {
 125       pass $test
 126     } else {
 127       fail $test
 128     }
 129
 130     # Make sure we don't leave a process around to confuse
 131     # the next test run (and prevent the compile by keeping
 132     # the text file busy), in case the "set should_exit" didn't
 133     # work.
 134
 135     remote_exec build "kill -9 ${testpid}"
 136 }
 137
 138 # build the test case first without threads
 139 #
 140 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
 141     untested "attach-stopped.exp (unthreaded)"
 142     return -1
 143 }
 144
 145 corefunc nonthreaded
 146
 147 # build the test case first without threads
 148 #
 149 if  { [gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug additional_flags=-DUSE_THREADS}] != "" } {
 150     untested "attach-stopped.exp (threaded)"
 151     return -1
 152 }
 153
 154 corefunc threaded
 155
 156 return 0