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

   1 # Copyright 2002, 2003, 2004 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 2 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, write to the Free Software
  15 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  16
  17 # Please email any bugs, comments, and/or additions to this file to:
  18 # bug-gdb@prep.ai.mit.edu
  19
  20 # This file was written by Michael Snyder (msnyder@redhat.com)
  21 # This is a test for the gdb command "generate-core-file".
  22
  23 if $tracelevel then {
  24         strace $tracelevel
  25 }
  26
  27 set prms_id 0
  28 set bug_id 0
  29
  30 # Single-threaded test case
  31 set testfile "pthreads"
  32 set srcfile  ${testfile}.c
  33 set binfile  ${objdir}/${subdir}/gcore-${testfile}
  34
  35 if [istarget "*-*-linux"] then {
  36     set target_cflags "-D_MIT_POSIX_THREADS"
  37 } else {
  38     set target_cflags ""
  39 }
  40
  41 if {[gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable [list debug "incdir=${objdir}"]] != "" } {
  42     return -1
  43 }
  44
  45 # Now we can proceed with the real testing.
  46
  47 # Start with a fresh gdb.
  48
  49 gdb_exit
  50 gdb_start
  51 gdb_reinitialize_dir $srcdir/$subdir
  52 gdb_load ${binfile}
  53
  54 # regexp for "horizontal" text (i.e. doesn't include newline or
  55 # carriage return)
  56 set horiz "\[^\n\r\]*"
  57
  58 # regexp for newline
  59 set nl "\[\r\n\]+"
  60
  61 set timeout 30
  62
  63 send_gdb "help gcore\n"
  64 gdb_expect {
  65     -re "Undefined command: .gcore.*$gdb_prompt $" {
  66         # gcore command not supported -- nothing to test here.
  67         unsupported "gdb does not support gcore on this target"
  68         return -1;
  69     }
  70     -re "Save a core file .*$gdb_prompt $" {
  71         pass "help gcore"
  72     }
  73     -re ".*$gdb_prompt $" {
  74         fail "help gcore"
  75     }
  76     timeout {
  77         fail "help gcore (timeout)"
  78     }
  79 }
  80
  81 if { ! [ runto_main ] } then {
  82     untested gcore-thread.exp
  83     return -1
  84 }
  85
  86 send_gdb "info threads\n"
  87 gdb_expect {
  88     -re ".* main .*$gdb_prompt $" {
  89         # OK, threads are supported.
  90     }
  91     -re "${nl}$gdb_prompt $" {
  92         unsupported "gdb does not support threads on this target"
  93         return -1;
  94     }
  95 }
  96
  97 # Make sure thread 1 is running
  98 delete_breakpoints
  99 gdb_breakpoint "thread1"
 100 gdb_test "continue" "Continuing.*Breakpoint.* thread1 .*" "thread 1 is running"
 101
 102 # Make sure thread 2 is running
 103 delete_breakpoints
 104 gdb_breakpoint "thread2"
 105 gdb_test "continue" "Continuing.*Breakpoint.* thread2 .*" "thread 2 is running"
 106
 107 set escapedfilename [string_to_regexp ${objdir}/${subdir}/gcore.test]
 108 # Drop corefile
 109 gdb_test_multiple "gcore ${objdir}/${subdir}/gcore.test" \
 110         "save a corefile" \
 111 {
 112   -re "Saved corefile ${escapedfilename}\[\r\n\]+$gdb_prompt $" {
 113     pass "save a corefile"
 114     global core_supported
 115     set core_supported 1
 116   }
 117   -re "Can't create a corefile\[\r\n\]+$gdb_prompt $" {
 118     unsupported "save a corefile"
 119     global core_supported
 120     set core_supported 0
 121   }
 122 }
 123
 124 global core_supported
 125 if {!$core_supported} {
 126   return -1
 127 }
 128
 129 # Now restart gdb and load the corefile.
 130 gdb_exit
 131 gdb_start
 132 gdb_reinitialize_dir $srcdir/$subdir
 133 gdb_load ${binfile}
 134
 135 send_gdb "core ${objdir}/${subdir}/gcore.test\n"
 136 gdb_expect {
 137     -re ".* is not a core dump:.*$gdb_prompt $" {
 138         fail "re-load generated corefile (bad file format)"
 139         # No use proceeding from here.
 140         return;
 141     }
 142     -re ".*: No such file or directory.*$gdb_prompt $" {
 143         fail "re-load generated corefile (file not found)"
 144         # No use proceeding from here.
 145         return;
 146     }
 147     -re ".*Couldn't find .* registers in core file.*$gdb_prompt $" {
 148         fail "re-load generated corefile (incomplete note section)"
 149     }
 150     -re "Core was generated by .*$gdb_prompt $" {
 151         pass "re-load generated corefile"
 152     }
 153     -re ".*$gdb_prompt $" {
 154         fail "re-load generated corefile"
 155     }
 156     timeout {
 157         fail "re-load generated corefile (timeout)"
 158     }
 159 }
 160
 161 # FIXME: now what can we test about the thread state?
 162 # We do not know for certain that there should be at least
 163 # three threads, because who knows what kind of many-to-one
 164 # mapping various OS's may do?  Let's assume that there must
 165 # be at least two threads:
 166
 167 gdb_test "info threads" ".*${nl}  2 ${horiz}${nl}\\* 1 .*" \
 168         "corefile contains at least two threads"
 169
 170 # One thread in the corefile should be in the "thread2" function.
 171
 172 gdb_test "info threads" ".* thread2 .*" \
 173         "a corefile thread is executing thread2"
 174
 175 # The thread2 thread should be marked as the current thread.
 176
 177 gdb_test "info threads" ".*${nl}\\* ${horiz} thread2 .*" \
 178         "thread2 is current thread in corefile"
 179