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Diffstat (limited to 'gdb/testsuite/gdb.base/bigcore.exp')
| -rw-r--r-- | gdb/testsuite/gdb.base/bigcore.exp | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/gdb/testsuite/gdb.base/bigcore.exp b/gdb/testsuite/gdb.base/bigcore.exp new file mode 100644 index 00000000000..82b01b3a10b --- /dev/null +++ b/gdb/testsuite/gdb.base/bigcore.exp @@ -0,0 +1,172 @@ +# Copyright 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2004 +# Free Software Foundation, Inc. + +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +# Please email any bugs, comments, and/or additions to this file to: +# bug-gdb@prep.ai.mit.edu + +# This file is based on corefile.exp which was written by Fred +# Fish. (fnf@cygnus.com) + +if $tracelevel then { + strace $tracelevel +} + +set prms_id 0 +set bug_id 0 + +# are we on a target board +if ![isnative] then { + return +} + +set testfile "bigcore" +set srcfile ${testfile}.c +set binfile ${objdir}/${subdir}/${testfile} +set corefile ${objdir}/${subdir}/${testfile}.corefile + +if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } { + gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail." +} + +# Create a core file named "TESTFILE.corefile" rather than just +# "core", to avoid problems with sys admin types that like to +# regularly prune all files named "core" from the system. + +# Some systems append "core" to the name of the program; others append +# the name of the program to "core"; still others (like Linux, as of +# May 2003) create cores named "core.PID". In the latter case, we +# could have many core files lying around, and it may be difficult to +# tell which one is ours, so let's run the program in a subdirectory. + +set found 0 +set coredir "${objdir}/${subdir}/coredir.[getpid]" +file mkdir $coredir +catch "system \"(cd ${coredir}; ${binfile}; true) >/dev/null 2>&1\"" +set names [glob -nocomplain -directory $coredir *core*] +if {[llength $names] == 1} { + set file [file join $coredir [lindex $names 0]] + remote_exec build "mv $file $corefile" + set found 1 +} + +# Try to clean up after ourselves. +remote_file build delete [file join $coredir coremmap.data] +remote_exec build "rmdir $coredir" + +if { $found == 0 } { + warning "can't generate a core file - core tests suppressed - check ulimit -c" + return 0 +} + +# Run GDB on the bigcore program up-to where it will dump core. + +gdb_exit +gdb_start +gdb_reinitialize_dir $srcdir/$subdir +gdb_load ${binfile} +gdb_test "set print sevenbit-strings" "" \ + "set print sevenbit-strings; ${testfile}" +gdb_test "set width 0" "" \ + "set width 0; ${testfile}" +if { ![runto_main] } then { + gdb_suppress_tests; +} +set print_core_line [gdb_get_line_number "Dump core"] +gdb_test "tbreak $print_core_line" +gdb_test continue ".*print_string.*" +gdb_test next ".*0 = 0.*" + +# Traverse bigcore's linked list, saving each chunk's address. I +# don't know why but expect_out didn't work with gdb_test_multiple. + +set heap "" +set test "extract heap" +set lim 0 +send_gdb "print heap\n" +gdb_expect { + -re " = \\(struct list \\*\\) 0x0.*$gdb_prompt $" { + pass "$test" + } + -re " = \\(struct list \\*\\) (0x\[0-9a-f\]*).*$gdb_prompt $" { + set heap [concat $heap $expect_out(1,string)] + if { $lim > 100 } { + fail "$test (limit $lim exceeded)" + } else { + incr lim + send_gdb "print $.next\n" + exp_continue + } + } + -re ".*$gdb_prompt $" { + fail "$test (entry $lim)" + } + timeout { + fail "$test (timeout)" + } +} + +# Now load up that core file + +set test "load corefile" +gdb_test_multiple "core $corefile" "$test" { + -re "A program is being debugged already. Kill it. .y or n. " { + send_gdb "y\n" + exp_continue + } + -re "Core was generated by.*$gdb_prompt $" { + pass "$test" + } +} + +# Finally, re-traverse bigcore's linked list, checking each chunk's +# address against the executable. Don't use gdb_test_multiple as want +# only one pass/fail. + +set test "check heap" +set lim 0 +set ok 1 +send_gdb "print heap\n" +while { $ok } { + gdb_expect { + -re " = \\(struct list \\*\\) 0x0.*$gdb_prompt $" { + set ok 0 + if { $lim == [llength $heap] } { + pass "$test" + } else { + fail "$test (short list)" + } + } + -re " = \\(struct list \\*\\) [lindex $heap $lim].*$gdb_prompt $" { + incr lim + if { $lim > 100 } { + set ok 0 + fail "$test (limit $lim exceeded)" + } else { + send_gdb "print \$.next\n" + } + } + -re ".*$gdb_prompt $" { + set ok 0 + setup_kfail i*86-*-linux* gdb/1509 + fail "$test (address [lindex $heap $lim])" + } + timeout { + set ok 0 + fail "$test (timeout)" + } + } +} |