X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gdb%2Ftestsuite%2Fgdb.base%2Fbigcore.exp;h=acbfdd699074c079dfaa2925575b3da3b8391b13;hb=af589bd0cded56d05c19e06555b08ee9d5c41761;hp=29092bdf10fb449994d92ec54f34f4fd35499337;hpb=2d822687d5e7ad4192bbb98bf80ed69dd3cbcc7d;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/testsuite/gdb.base/bigcore.exp b/gdb/testsuite/gdb.base/bigcore.exp index 29092bdf10..acbfdd6990 100644 --- a/gdb/testsuite/gdb.base/bigcore.exp +++ b/gdb/testsuite/gdb.base/bigcore.exp @@ -1,22 +1,18 @@ -# Copyright 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2004 -# Free Software Foundation, Inc. +# Copyright 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2004, 2005, +# 2007, 2008, 2009 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 +# the Free Software Foundation; either version 3 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 +# along with this program. If not, see . # This file is based on corefile.exp which was written by Fred # Fish. (fnf@cygnus.com) @@ -41,48 +37,30 @@ if ![isnative] then { # consumes too many resources - gigabytes worth of disk space and and # I/O bandwith. -if { [istarget "*-*-netbsd*"] } { +if { [istarget "*-*-*bsd*"] + || [istarget "*-*-hpux*"] + || [istarget "*-*-solaris*"] + || [istarget "*-*-darwin*"] + || [istarget "*-*-cygwin*"] } { untested "Kernel lacks sparse corefile support (PR gdb/1551)" return } +# This testcase causes too much stress (in terms of memory usage) +# on certain systems... +if { [istarget "*-*-*irix*"] } { + untested "Testcase too stressful for this system" + 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 + untested bigcore.exp + return -1 } # Run GDB on the bigcore program up-to where it will dump core. @@ -104,8 +82,7 @@ gdb_test continue ".*print_string.*" gdb_test next ".*0 = 0.*" # Traverse part of bigcore's linked list of memory chunks (forward or -# backward), saving each chunk's address. I don't know why but -# expect_out didn't work with gdb_test_multiple. +# backward), saving each chunk's address. proc extract_heap { dir } { global gdb_prompt @@ -113,8 +90,7 @@ proc extract_heap { dir } { set heap "" set test "extract ${dir} heap" set lim 0 - send_gdb "print heap.${dir}\n" - gdb_expect { + gdb_test_multiple "print heap.${dir}" "$test" { -re " = \\(struct list \\*\\) 0x0.*$gdb_prompt $" { pass "$test" } @@ -140,6 +116,87 @@ proc extract_heap { dir } { set next_heap [extract_heap next] set prev_heap [extract_heap prev] +# Save the total allocated size within GDB so that we can check +# the core size later. +gdb_test "set \$bytes_allocated = bytes_allocated" "" "save heap size" + +# Now create a core dump + +# Rename the core file to "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". + +# Save the process ID. Some systems dump the core into core.PID. +set test "grab pid" +gdb_test_multiple "info program" $test { + -re "child process (\[0-9\]+).*$gdb_prompt $" { + set inferior_pid $expect_out(1,string) + pass $test + } + -re "$gdb_prompt $" { + set inferior_pid unknown + pass $test + } +} + +# Dump core using SIGABRT +set oldtimeout $timeout +set timeout 600 +gdb_test "signal SIGABRT" "Program terminated with signal SIGABRT, .*" + +# Find the corefile +set file "" +foreach pat [list core.${inferior_pid} ${testfile}.core core] { + set names [glob -nocomplain $pat] + if {[llength $names] == 1} { + set file [lindex $names 0] + remote_exec build "mv $file $corefile" + break + } +} + +if { $file == "" } { + untested "Can't generate a core file" + return 0 +} + +# Check that the corefile is plausibly large enough. We're trying to +# detect the case where the operating system has truncated the file +# just before signed wraparound. TCL, unfortunately, has a similar +# problem - so use catch. It can handle the "bad" size but not +# necessarily the "good" one. And we must use GDB for the comparison, +# similarly. + +if {[catch {file size $corefile} core_size] == 0} { + set core_ok 0 + gdb_test_multiple "print \$bytes_allocated < $core_size" "check core size" { + -re " = 1\r\n$gdb_prompt $" { + pass "check core size" + set core_ok 1 + } + -re " = 0\r\n$gdb_prompt $" { + pass "check core size" + set core_ok 0 + } + } +} { + # Probably failed due to the TCL build having problems with very + # large values. Since GDB uses a 64-bit off_t (when possible) it + # shouldn't have this problem. Assume that things are going to + # work. Without this assumption the test is skiped on systems + # (such as i386 GNU/Linux with patched kernel) which do pass. + pass "check core size" + set core_ok 1 +} +if {! $core_ok} { + untested "check core size (system does not support large corefiles)" + return 0 +} + # Now load up that core file set test "load corefile"