| # Test `info auxv' and related functionality. |
| |
| # 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 { ! [istarget "*-*-linux*"] && ! [istarget "*-*-solaris*"] } { |
| verbose "Skipping auxv.exp because of lack of support." |
| return |
| } |
| |
| if $tracelevel then { |
| strace $tracelevel |
| } |
| |
| set prms_id 0 |
| set bug_id 0 |
| |
| set testfile "auxv" |
| set srcfile ${testfile}.c |
| set binfile ${objdir}/${subdir}/${testfile} |
| set corefile ${objdir}/${subdir}/${testfile}.corefile |
| set gcorefile ${objdir}/${subdir}/${testfile}.gcore |
| |
| if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } { |
| untested "couldn't compile ${srcdir}/${subdir}/${srcfile}" |
| return -1 |
| } |
| |
| # Use a fresh directory to confine the native core dumps. |
| # Make it the working directory for gdb and its child. |
| set coredir "${objdir}/${subdir}/coredir.[getpid]" |
| file mkdir $coredir |
| set core_works [isnative] |
| |
| # Run GDB on the test 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; ${testfile}" |
| |
| if {$core_works} { |
| if {[gdb_test "cd $coredir" ".*Working directory .*" \ |
| "cd to temporary directory for core dumps"]} { |
| set core_works 0 |
| } |
| } |
| |
| if { ![runto_main] } then { |
| gdb_suppress_tests; |
| } |
| set print_core_line [gdb_get_line_number "ABORT;"] |
| gdb_test "tbreak $print_core_line" |
| gdb_test continue ".*ABORT;.*" |
| |
| proc fetch_auxv {test} { |
| global gdb_prompt |
| |
| set auxv_lines {} |
| set bad -1 |
| if {[gdb_test_multiple "info auxv" $test { |
| -re "info auxv\[\r\n\]+" { |
| exp_continue |
| } |
| -ex "The program has no auxiliary information now" { |
| set bad 1 |
| exp_continue |
| } |
| -ex "Auxiliary vector is empty" { |
| set bad 1 |
| exp_continue |
| } |
| -ex "No auxiliary vector found" { |
| set bad 1 |
| exp_continue |
| } |
| -re "^\[0-9\]+\[ \t\]+(AT_\[^ \t\]+)\[^\r\n\]+\[\r\n\]+" { |
| lappend auxv_lines $expect_out(0,string) |
| exp_continue |
| } |
| -re "^\[0-9\]+\[ \t\]+\\?\\?\\?\[^\r\n\]+\[\r\n\]+" { |
| warning "Unrecognized tag value: $expect_out(0,string)" |
| set bad 1 |
| lappend auxv_lines $expect_out(0,string) |
| exp_continue |
| } |
| -re ".*$gdb_prompt $" { |
| incr bad |
| } |
| -re "^\[^\r\n\]+\[\r\n\]+" { |
| if {!$bad} { |
| warning "Unrecognized output: $expect_out(0,string)" |
| set bad 1 |
| } |
| exp_continue |
| } |
| }] != 0} { |
| return {} |
| } |
| |
| if {$bad} { |
| fail $test |
| return {} |
| } |
| |
| pass $test |
| return $auxv_lines |
| } |
| |
| set live_data [fetch_auxv "info auxv on live process"] |
| |
| # Now try gcore. |
| set gcore_works 0 |
| set escapedfilename [string_to_regexp $gcorefile] |
| gdb_test_multiple "gcore $gcorefile" "gcore" { |
| -re "Saved corefile ${escapedfilename}\[\r\n\]+$gdb_prompt $" { |
| pass "gcore" |
| set gcore_works 1 |
| } |
| -re "Can't create a corefile\[\r\n\]+$gdb_prompt $" { |
| unsupported "gcore" |
| } |
| -re "Undefined command: .*\[\r\n\]+$gdb_prompt $" { |
| unsupported "gcore" |
| } |
| } |
| |
| # Let the program continue and die. |
| gdb_test continue ".*Program received signal.*" |
| gdb_test continue ".*Program terminated with signal.*" |
| |
| # Now collect the core dump it left. |
| set test "generate native core dump" |
| if {$core_works} { |
| # Find the |
| 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" |
| pass $test |
| } else { |
| set core_works 0 |
| warning "can't generate a core file - core tests suppressed - check ulimit -c" |
| fail $test |
| } |
| } else { |
| unsupported $test |
| } |
| remote_exec build "rm -rf $coredir" |
| |
| # Now we can examine the core files and check that their data matches what |
| # we saw in the process. Note that the exact data can vary between runs, |
| # so it's important that the native core dump file and the gcore-created dump |
| # both be from the same run of the program as we examined live. |
| |
| proc do_core_test {works corefile test1 test2} { |
| if {! $works} { |
| unsupported $test1 |
| unsupported $test2 |
| } else { |
| gdb_test "core $corefile" "Core was generated by.*" \ |
| "load core file for $test1" \ |
| "A program is being debugged already.*" "y" |
| set core_data [fetch_auxv $test1] |
| global live_data |
| if {$core_data == $live_data} { |
| pass $test2 |
| } else { |
| fail $test2 |
| } |
| } |
| } |
| |
| do_core_test $core_works $corefile \ |
| "info auxv on native core dump" "matching auxv data from live and core" |
| |
| do_core_test $gcore_works $gcorefile \ |
| "info auxv on gcore-created dump" "matching auxv data from live and gcore" |