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

   1 # Copyright 2002 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}/${testfile}
  34
  35 set built_binfile 0
  36 if [istarget "*-*-linux"] then {
  37     set target_cflags "-D_MIT_POSIX_THREADS"
  38 } else {
  39     set target_cflags ""
  40 }
  41 set why_msg "unrecognized error"
  42 foreach lib {-lpthreads -lpthread -lthread} {
  43     set options "debug"
  44     lappend options "incdir=${objdir}/${subdir}"
  45     lappend options "libs=$lib"
  46     set ccout [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable $options]
  47     switch -regexp -- $ccout {
  48         ".*no posix threads support.*" {
  49             set why_msg "missing threads include file"
  50             break
  51         }
  52         ".*cannot open -lpthread.*" {
  53             set why_msg "missing runtime threads library"
  54         }
  55         ".*Can't find library for -lpthread.*" {
  56             set why_msg "missing runtime threads library"
  57         }
  58         {^$} {
  59             pass "successfully compiled posix threads test case"
  60             set built_binfile 1
  61             break
  62         }
  63     }
  64 }
  65 if {$built_binfile == "0"} {
  66     unsupported "Couldn't compile ${srcfile}, ${why_msg}"
  67     return -1
  68 }
  69
  70 # Now we can proceed with the real testing.
  71
  72 # Start with a fresh gdb.
  73
  74 gdb_exit
  75 gdb_start
  76 gdb_reinitialize_dir $srcdir/$subdir
  77 gdb_load ${binfile}
  78
  79 # regexp for "horizontal" text (i.e. doesn't include newline or
  80 # carriage return)
  81 set horiz "\[^\n\r\]*"
  82
  83 # regexp for newline
  84 set nl "\[\r\n\]+"
  85
  86 set timeout 30
  87
  88 send_gdb "help gcore\n"
  89 gdb_expect {
  90     -re "Undefined command: .gcore.*$gdb_prompt $" {
  91         # gcore command not supported -- nothing to test here.
  92         unsupported "gdb does not support gcore on this target"
  93         return -1;
  94     }
  95     -re "Save a core file .*$gdb_prompt $" {
  96         pass "help gcore"
  97     }
  98     -re ".*$gdb_prompt $" {
  99         fail "help gcore"
 100     }
 101     timeout {
 102         fail "help gcore (timeout)"
 103     }
 104 }
 105
 106 if { ! [ runto main ] } then {
 107     gdb_suppress_entire_file "Run to main failed, so all tests in this file will automatically fail."
 108 }
 109
 110 send_gdb "info threads\n"
 111 gdb_expect {
 112     -re ".* main .*$gdb_prompt $" {
 113         # OK, threads are supported.
 114     }
 115     -re "${nl}$gdb_prompt $" {
 116         unsupported "gdb does not support threads on this target"
 117         return -1;
 118     }
 119 }
 120
 121 # Make sure thread 1 is running
 122 delete_breakpoints
 123 gdb_breakpoint "thread1"
 124 gdb_test "continue" "Continuing.*Breakpoint.* thread1 .*" "thread 1 is running"
 125
 126 # Make sure thread 2 is running
 127 delete_breakpoints
 128 gdb_breakpoint "thread2"
 129 gdb_test "continue" "Continuing.*Breakpoint.* thread2 .*" "thread 2 is running"
 130
 131 # Drop corefile
 132 gdb_test "gcore ${objdir}/${subdir}/gcore.test" \
 133         "Saved corefile ${objdir}/${subdir}/gcore.test" \
 134         "save a corefile"
 135
 136 # Now restart gdb and load the corefile.
 137 gdb_exit
 138 gdb_start
 139 gdb_reinitialize_dir $srcdir/$subdir
 140 gdb_load ${binfile}
 141
 142 send_gdb "core ${objdir}/${subdir}/gcore.test\n"
 143 gdb_expect {
 144     -re ".* is not a core dump:.*$gdb_prompt $" {
 145         fail "re-load generated corefile (bad file format)"
 146         # No use proceeding from here.
 147         return;
 148     }
 149     -re ".*: No such file or directory.*$gdb_prompt $" {
 150         fail "re-load generated corefile (file not found)"
 151         # No use proceeding from here.
 152         return;
 153     }
 154     -re ".*Couldn't find .* registers in core file.*$gdb_prompt $" {
 155         fail "re-load generated corefile (incomplete note section)"
 156     }
 157     -re "Core was generated by .*$gdb_prompt $" {
 158         pass "re-load generated corefile"
 159     }
 160     -re ".*$gdb_prompt $" {
 161         fail "re-load generated corefile"
 162     }
 163     timeout {
 164         fail "re-load generated corefile (timeout)"
 165     }
 166 }
 167
 168 # FIXME: now what can we test about the thread state?
 169 # We do not know for certain that there should be at least
 170 # three threads, because who knows what kind of many-to-one
 171 # mapping various OS's may do?  Let's assume that there must
 172 # be at least two threads:
 173
 174 gdb_test "info threads" ".*${nl}  2 ${horiz}${nl}\\* 1 .*" \
 175         "corefile contains at least two threads"
 176
 177 # One thread in the corefile should be in the "thread2" function.
 178
 179 gdb_test "info threads" ".* thread2 .*" \
 180         "a corefile thread is executing thread2"
 181
 182 # The thread2 thread should be marked as the current thread.
 183
 184 gdb_test "info threads" ".*${nl}\\* ${horiz} thread2 .*" \
 185         "thread2 is current thread in corefile"
 186