296 lines
8.7 KiB
Plaintext
296 lines
8.7 KiB
Plaintext
# Copyright 1992-2015 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# This file was written by Fred Fish. (fnf@cygnus.com)
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# are we on a target board
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if ![isnative] then {
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return
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}
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standard_testfile coremaker.c
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# Create and source the file that provides information about the compiler
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# used to compile the test case.
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if [get_compiler_info] {
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return -1
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}
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if {[build_executable $testfile.exp $testfile $srcfile debug] == -1} {
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untested $testfile.exp
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return -1
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}
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set corefile [core_find $binfile {coremmap.data}]
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if {$corefile == ""} {
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return 0
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}
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# Test that we can simply startup with a "-core=$corefile" command line arg
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# and recognize that the core file is a valid, usable core file.
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# To do this, we must shutdown the currently running gdb and restart
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# with the -core args. We can't use gdb_start because it looks for
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# the first gdb prompt, and the message we are looking for occurs
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# before the first prompt.
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#
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# Another problem is that on some systems (solaris for example), there
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# is apparently a limit on the length of a fully specified path to
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# the corefile executable, at about 80 chars. For this case, consider
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# it a pass, but note that the program name is bad.
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gdb_exit
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if $verbose>1 then {
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send_user "Spawning $GDB $INTERNAL_GDBFLAGS $GDBFLAGS -core=$corefile\n"
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}
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set oldtimeout $timeout
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set timeout [expr "$timeout + 60"]
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verbose "Timeout is now $timeout seconds" 2
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eval "spawn $GDB $INTERNAL_GDBFLAGS $GDBFLAGS -core=$corefile"
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expect {
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-re "Couldn't find .* registers in core file.*$gdb_prompt $" {
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fail "args: -core=[file tail $corefile] (couldn't find regs)"
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}
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-re "Core was generated by .*corefile.*\r\n\#0 .*\(\).*\r\n$gdb_prompt $" {
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pass "args: -core=[file tail $corefile]"
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}
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-re "Core was generated by .*\r\n\#0 .*\(\).*\r\n$gdb_prompt $" {
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pass "args: -core=[file tail $corefile] (with bad program name)"
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}
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-re ".*registers from core file: File in wrong format.* $" {
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fail "args: -core=[file tail $corefile] (could not read registers from core file)"
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}
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-re ".*$gdb_prompt $" { fail "args: -core=[file tail $corefile]" }
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timeout { fail "(timeout) starting with -core" }
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}
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#
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# Test that startup with both an executable file and -core argument.
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# See previous comments above, they are still applicable.
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#
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close
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if $verbose>1 then {
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send_user "Spawning $GDB $INTERNAL_GDBFLAGS $GDBFLAGS $binfile -core=$corefile\n"
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}
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eval "spawn $GDB $INTERNAL_GDBFLAGS $GDBFLAGS $binfile -core=$corefile"
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expect {
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-re "Core was generated by .*corefile.*\r\n\#0 .*\(\).*\r\n$gdb_prompt $" {
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pass "args: execfile -core=[file tail $corefile]"
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}
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-re "Core was generated by .*\r\n\#0 .*\(\).*\r\n$gdb_prompt $" {
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pass "args: execfile -core=[file tail $corefile] (with bad program name)"
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}
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-re ".*registers from core file: File in wrong format.* $" {
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fail "args: execfile -core=[file tail $corefile] (could not read registers from core file)"
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}
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-re ".*$gdb_prompt $" { fail "args: execfile -core=[file tail $corefile]" }
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timeout { fail "(timeout) starting with -core" }
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}
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set timeout $oldtimeout
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verbose "Timeout is now $timeout seconds" 2
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close
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# Now restart normally.
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gdb_start
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gdb_reinitialize_dir $srcdir/$subdir
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gdb_load ${binfile}
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# Test basic corefile recognition via core-file command.
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gdb_test_multiple "core-file $corefile" "core-file command" {
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-re ".* program is being debugged already.*y or n. $" {
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# gdb_load may connect us to a gdbserver.
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send_gdb "y\n"
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exp_continue
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}
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-re "Core was generated by .*corefile.*\r\n\#0 .*\(\).*\r\n$gdb_prompt $" {
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pass "core-file command"
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}
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-re "Core was generated by .*\r\n\#0 .*\(\).*\r\n$gdb_prompt $" {
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pass "core-file command (with bad program name)"
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}
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-re ".*registers from core file: File in wrong format.* $" {
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fail "core-file command (could not read registers from core file)"
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}
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}
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# Test correct mapping of corefile sections by printing some variables.
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gdb_test "print coremaker_data" "\\\$$decimal = 202"
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gdb_test "print coremaker_bss" "\\\$$decimal = 10"
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gdb_test "print coremaker_ro" "\\\$$decimal = 201"
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gdb_test "print func2::coremaker_local" "\\\$$decimal = \\{0, 1, 2, 3, 4\\}"
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# Test the presence and the correct values of $_exitsignal and
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# $_exitcode variables. The corefile is generated with a SIGABRT,
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# which is "6" in the Linux kernel.
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gdb_test "print \$_exitsignal" " = 6" \
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"\$_exitsignal prints SIGABRT (6)"
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gdb_test "print \$_exitcode" " = void" \
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"\$_exitcode is void"
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# Somehow we better test the ability to read the registers out of the core
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# file correctly. I don't think the other tests do this.
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gdb_test "bt" "abort.*func2.*func1.*main.*" "backtrace in corefile.exp"
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gdb_test "up" "#\[0-9\]* *\[0-9xa-fH'\]* in .* \\(.*\\).*" "up in corefile.exp"
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# Test ability to read mmap'd data
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gdb_test "x/8bd buf1" ".*:.*0.*1.*2.*3.*4.*5.*6.*7" "accessing original mmap data in core file"
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setup_xfail "*-*-sunos*" "*-*-aix*"
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set test "accessing mmapped data in core file"
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gdb_test_multiple "x/8bd buf2" "$test" {
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-re ".*:.*0.*1.*2.*3.*4.*5.*6.*7.*$gdb_prompt $" {
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pass "$test"
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}
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-re "0x\[f\]*:.*Cannot access memory at address 0x\[f\]*.*$gdb_prompt $" {
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fail "$test (mapping failed at runtime)"
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}
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-re "0x.*:.*Cannot access memory at address 0x.*$gdb_prompt $" {
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fail "$test (mapping address not found in core file)"
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}
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}
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# test reinit_frame_cache
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gdb_load ${binfile}
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gdb_test "up" "#\[0-9\]* *\[0-9xa-fH'\]* in .* \\(.*\\).*" "up in corefile.exp (reinit)"
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gdb_test "core" "No core file now."
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# Test a run (start) command will clear any loaded core file.
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proc corefile_test_run {} {
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global corefile gdb_prompt
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gdb_test "core-file $corefile" "Core was generated by .*" "run: load core again"
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gdb_test "info files" "\r\nLocal core dump file:\r\n.*" "run: sanity check we see the core file"
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set test "run: with core"
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if [runto_main] {
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pass $test
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} else {
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fail $test
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}
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set test "run: core file is cleared"
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gdb_test_multiple "info files" $test {
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-re "\r\nLocal core dump file:\r\n.*\r\n$gdb_prompt $" {
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fail $test
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}
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-re "\r\n$gdb_prompt $" {
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pass $test
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}
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}
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set test "quit with a process"
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gdb_test_multiple "quit" $test {
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-re "A debugging session is active.\r\n.*\r\nQuit anyway\\? \\(y or n\\) $" {
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pass $test
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gdb_test "n" {Not confirmed\.} "quit with processes: n"
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}
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}
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gdb_exit
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}
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corefile_test_run
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# Verify there is no question if only a core file is loaded.
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gdb_start
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gdb_test "core-file $corefile" "Core was generated by .*" "no question: load core"
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set test "quit with a core file"
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gdb_test_multiple "quit" $test {
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-re "A debugging session is active.\r\n.*\r\nQuit anyway\\? \\(y or n\\) $" {
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fail $test
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gdb_test "n" {Not confirmed\.} "quit with processes: n"
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}
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eof {
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pass $test
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}
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}
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gdb_exit
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# Test an attach command will clear any loaded core file.
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proc corefile_test_attach {} {
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global binfile corefile gdb_prompt
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if ![is_remote target] {
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set test "attach: spawn sleep"
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set res [remote_spawn host "$binfile sleep"]
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if { $res < 0 || $res == "" } {
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fail $test
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return
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}
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set pid [exp_pid -i $res]
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# We don't care whether the program is still in the startup phase when we
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# attach.
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gdb_start
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gdb_test "core-file $corefile" "Core was generated by .*" "attach: load core again"
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gdb_test "info files" "\r\nLocal core dump file:\r\n.*" "attach: sanity check we see the core file"
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gdb_test "attach $pid" "Attaching to process $pid\r\n.*" "attach: with core"
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set test "attach: core file is cleared"
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gdb_test_multiple "info files" $test {
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-re "\r\nLocal core dump file:\r\n.*\r\n$gdb_prompt $" {
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fail $test
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}
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-re "\r\n$gdb_prompt $" {
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pass $test
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}
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}
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gdb_exit
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}
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}
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corefile_test_attach
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# Test warning-free core file load. E.g., a Linux vDSO used to
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# trigger this warning:
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# warning: Can't read pathname for load map: Input/output error.
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clean_restart ${testfile}
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set test "core-file warning-free"
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gdb_test_multiple "core-file $corefile" $test {
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-re "warning: .*\r\n.*\r\n$gdb_prompt $" {
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fail $test
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}
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-re "\r\n$gdb_prompt $" {
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pass $test
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}
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}
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