gdb/testsuite/gdb.threads/gcore-thread.exp

   1 # Copyright 2002, 2003, 2004, 2007, 2008 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 # Please email any bugs, comments, and/or additions to this file to:
  17 # bug-gdb@prep.ai.mit.edu
  18
  19 # This file was written by Michael Snyder (msnyder@redhat.com)
  20 # This is a test for the gdb command "generate-core-file".
  21
  22 if $tracelevel then {
  23         strace $tracelevel
  24 }
  25
  26 set prms_id 0
  27 set bug_id 0
  28
  29 # Single-threaded test case
  30 set testfile "pthreads"
  31 set srcfile  ${testfile}.c
  32 set binfile  ${objdir}/${subdir}/gcore-${testfile}
  33
  34 if [istarget "*-*-linux"] then {
  35     set target_cflags "-D_MIT_POSIX_THREADS"
  36 } else {
  37     set target_cflags ""
  38 }
  39
  40 if {[gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable [list debug "incdir=${objdir}"]] != "" } {
  41     return -1
  42 }
  43
  44 # Now we can proceed with the real testing.
  45
  46 # Start with a fresh gdb.
  47
  48 gdb_exit
  49 gdb_start
  50 gdb_reinitialize_dir $srcdir/$subdir
  51 gdb_load ${binfile}
  52
  53 # regexp for "horizontal" text (i.e. doesn't include newline or
  54 # carriage return)
  55 set horiz "\[^\n\r\]*"
  56
  57 # regexp for newline
  58 set nl "\[\r\n\]+"
  59
  60 set timeout 30
  61
  62 send_gdb "help gcore\n"
  63 gdb_expect {
  64     -re "Undefined command: .gcore.*$gdb_prompt $" {
  65         # gcore command not supported -- nothing to test here.
  66         unsupported "gdb does not support gcore on this target"
  67         return -1;
  68     }
  69     -re "Save a core file .*$gdb_prompt $" {
  70         pass "help gcore"
  71     }
  72     -re ".*$gdb_prompt $" {
  73         fail "help gcore"
  74     }
  75     timeout {
  76         fail "help gcore (timeout)"
  77     }
  78 }
  79
  80 if { ! [ runto_main ] } then {
  81     untested gcore-thread.exp
  82     return -1
  83 }
  84
  85 send_gdb "info threads\n"
  86 gdb_expect {
  87     -re ".* main .*$gdb_prompt $" {
  88         # OK, threads are supported.
  89     }
  90     -re "${nl}$gdb_prompt $" {
  91         unsupported "gdb does not support threads on this target"
  92         return -1;
  93     }
  94 }
  95
  96 # Make sure thread 1 is running
  97 delete_breakpoints
  98 gdb_breakpoint "thread1"
  99 gdb_test "continue" "Continuing.*Breakpoint.* thread1 .*" "thread 1 is running"
 100
 101 # Make sure thread 2 is running
 102 delete_breakpoints
 103 gdb_breakpoint "thread2"
 104 gdb_test "continue" "Continuing.*Breakpoint.* thread2 .*" "thread 2 is running"
 105
 106 set escapedfilename [string_to_regexp ${objdir}/${subdir}/gcore.test]
 107 # Drop corefile
 108 gdb_test_multiple "gcore ${objdir}/${subdir}/gcore.test" \
 109         "save a corefile" \
 110 {
 111   -re "Saved corefile ${escapedfilename}\[\r\n\]+$gdb_prompt $" {
 112     pass "save a corefile"
 113     global core_supported
 114     set core_supported 1
 115   }
 116   -re "Can't create a corefile\[\r\n\]+$gdb_prompt $" {
 117     unsupported "save a corefile"
 118     global core_supported
 119     set core_supported 0
 120   }
 121 }
 122
 123 global core_supported
 124 if {!$core_supported} {
 125   return -1
 126 }
 127
 128 # Now restart gdb and load the corefile.
 129 gdb_exit
 130 gdb_start
 131 gdb_reinitialize_dir $srcdir/$subdir
 132 gdb_load ${binfile}
 133
 134 send_gdb "core ${objdir}/${subdir}/gcore.test\n"
 135 gdb_expect {
 136     -re ".* is not a core dump:.*$gdb_prompt $" {
 137         fail "re-load generated corefile (bad file format)"
 138         # No use proceeding from here.
 139         return;
 140     }
 141     -re ".*: No such file or directory.*$gdb_prompt $" {
 142         fail "re-load generated corefile (file not found)"
 143         # No use proceeding from here.
 144         return;
 145     }
 146     -re ".*Couldn't find .* registers in core file.*$gdb_prompt $" {
 147         fail "re-load generated corefile (incomplete note section)"
 148     }
 149     -re "Core was generated by .*$gdb_prompt $" {
 150         pass "re-load generated corefile"
 151     }
 152     -re ".*$gdb_prompt $" {
 153         fail "re-load generated corefile"
 154     }
 155     timeout {
 156         fail "re-load generated corefile (timeout)"
 157     }
 158 }
 159
 160 # FIXME: now what can we test about the thread state?
 161 # We do not know for certain that there should be at least
 162 # three threads, because who knows what kind of many-to-one
 163 # mapping various OS's may do?  Let's assume that there must
 164 # be at least two threads:
 165
 166 gdb_test "info threads" ".*${nl}  2 ${horiz}${nl}\\* 1 .*" \
 167         "corefile contains at least two threads"
 168
 169 # One thread in the corefile should be in the "thread2" function.
 170
 171 gdb_test "info threads" ".* thread2 .*" \
 172         "a corefile thread is executing thread2"
 173
 174 # The thread2 thread should be marked as the current thread.
 175
 176 gdb_test "info threads" ".*${nl}\\* ${horiz} thread2 .*" \
 177         "thread2 is current thread in corefile"
 178