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