121 lines
3.5 KiB
Text
121 lines
3.5 KiB
Text
# Copyright 2004, 2007-2012 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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# Author: Paul N. Hilfinger (Hilfinger@gnat.com)
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# Test that GDB cleans up properly after errors that result when a
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# breakpoint is reset.
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if $tracelevel then {
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strace $tracelevel
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}
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# IDT/SIM apparently doesn't have enough file descriptors to allow the
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# problem checked by this test to occur.
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if [istarget "mips-idt-*"] {
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return 0;
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}
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set testfile "chng-syms"
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set srcfile ${testfile}.c
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set binfile ${objdir}/${subdir}/${testfile}
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if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug additional_flags=-DVARIABLE=var1}] != "" } {
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untested chng-syms.exp
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return -1
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}
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set oldtimeout $timeout
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set timeout 10
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verbose "Timeout is now 10 seconds" 2
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proc expect_to_stop_here { ident } {
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global gdb_prompt
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global decimal
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# the "at foo.c:36" output we get with -g.
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# the "in func" output we get without -g.
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gdb_expect {
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-re "Breakpoint \[0-9\]*, stop_here .*$gdb_prompt $" {
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return 1
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}
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-re "$gdb_prompt $" {
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fail "running to stop_here $ident"
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return 0
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}
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timeout {
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fail "running to stop_here $ident (timeout)"
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return 0
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}
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}
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return 1
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}
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gdb_exit
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gdb_start
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gdb_reinitialize_dir $srcdir/$subdir
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gdb_load ${binfile}
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gdb_test "break stop_here if (var1 == 42)" \
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"Breakpoint.*at.* file .*$srcfile, line.*" \
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"setting conditional breakpoint on function"
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gdb_run_cmd
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expect_to_stop_here "first time"
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gdb_continue_to_end "breakpoint first time through"
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# Now we recompile the executable, but without a variable named "var1", first
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# waiting to insure that even on fast machines, the file modification times
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# are distinct. This will force GDB to reload the file on the
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# next "run" command, causing an error when GDB tries to tries to reset
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# the breakpoint.
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sleep 2
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if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug additional_flags=-DVARIABLE=var2}] != "" } {
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# Complication: Since GDB generally holds an open file descriptor on the
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# executable at this point, there are some systems in which the
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# re-compilation will fail. In such cases, we'll consider the test
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# (vacuously) passed providing that re-running it succeeds as before.
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gdb_run_cmd
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expect_to_stop_here "after re-compile fails"
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gdb_continue_to_end "after re-compile fails"
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} else {
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gdb_run_cmd
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gdb_expect {
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-re ".*$inferior_exited_re normally.*$gdb_prompt $" {
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pass "running with invalidated bpt condition after executable changes"
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}
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-re ".*Breakpoint .*,( 0x.* in)? (\[^ \]*)exit .*$gdb_prompt $" {
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pass "running with invalidated bpt condition after executable changes"
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}
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-re "$gdb_prompt $" {
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fail "running with invalidated bpt condition after executable changes"
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}
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timeout {
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fail "(timeout) running with invalidated bpt condition after executable changes"
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}
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}
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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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return 0
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