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

   1 # Copyright 2002, 2003 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}/${testfile}
  34
  35 if [istarget "*-*-linux"] then {
  36     set target_cflags "-D_MIT_POSIX_THREADS"
  37 } else {
  38     set target_cflags ""
  39 }
  40
  41 if {[gdb_compile_pthreads "${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 $" {
  74         fail "help gcore"
  75     }
  76     timeout {
  77         fail "help gcore (timeout)"
  78     }
  79 }
  80
  81 if { ! [ runto main ] } then {
  82     gdb_suppress_entire_file "Run to main failed, so all tests in this file will automatically fail."
  83 }
  84
  85 send_gdb "info threads\n"
  86 gdb_expect {
  87     -re ".* main .*$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 "gcore ${objdir}/${subdir}/gcore.test" \
 109         "Saved corefile ${escapedfilename}" \
 110         "save a corefile"
 111
 112 # Now restart gdb and load the corefile.
 113 gdb_exit
 114 gdb_start
 115 gdb_reinitialize_dir $srcdir/$subdir
 116 gdb_load ${binfile}
 117
 118 send_gdb "core ${objdir}/${subdir}/gcore.test\n"
 119 gdb_expect {
 120     -re ".* is not a core dump:.*$gdb_prompt $" {
 121         fail "re-load generated corefile (bad file format)"
 122         # No use proceeding from here.
 123         return;
 124     }
 125     -re ".*: No such file or directory.*$gdb_prompt $" {
 126         fail "re-load generated corefile (file not found)"
 127         # No use proceeding from here.
 128         return;
 129     }
 130     -re ".*Couldn't find .* registers in core file.*$gdb_prompt $" {
 131         fail "re-load generated corefile (incomplete note section)"
 132     }
 133     -re "Core was generated by .*$gdb_prompt $" {
 134         pass "re-load generated corefile"
 135     }
 136     -re ".*$gdb_prompt $" {
 137         fail "re-load generated corefile"
 138     }
 139     timeout {
 140         fail "re-load generated corefile (timeout)"
 141     }
 142 }
 143
 144 # FIXME: now what can we test about the thread state?
 145 # We do not know for certain that there should be at least
 146 # three threads, because who knows what kind of many-to-one
 147 # mapping various OS's may do?  Let's assume that there must
 148 # be at least two threads:
 149
 150 gdb_test "info threads" ".*${nl}  2 ${horiz}${nl}\\* 1 .*" \
 151         "corefile contains at least two threads"
 152
 153 # One thread in the corefile should be in the "thread2" function.
 154
 155 gdb_test "info threads" ".* thread2 .*" \
 156         "a corefile thread is executing thread2"
 157
 158 # The thread2 thread should be marked as the current thread.
 159
 160 gdb_test "info threads" ".*${nl}\\* ${horiz} thread2 .*" \
 161         "thread2 is current thread in corefile"
 162