117 lines
3.2 KiB
Plaintext
117 lines
3.2 KiB
Plaintext
# Copyright (C) 2013-2017 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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# Regression test for PR15693. A breakpoint with a condition that
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# calls a function that evaluates false would result in a spurious
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# *running event sent to the frontend each time the breakpoint is hit
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# (and the target re-resumed). Like:
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#
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# -exec-continue
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# ^running
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# *running,thread-id="all"
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# (gdb)
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# *running,thread-id="all"
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# *running,thread-id="all"
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# *running,thread-id="all"
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# *running,thread-id="all"
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# *running,thread-id="all"
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# ...
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load_lib mi-support.exp
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set MIFLAGS "-i=mi"
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# Run either the multi-threaded or the single-threaded variant of the
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# test, as determined by VARIANT.
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proc test { variant } {
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global gdb_test_file_name
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global testfile srcdir subdir srcfile srcfile2 binfile
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global mi_gdb_prompt async
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with_test_prefix "$variant" {
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gdb_exit
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if [mi_gdb_start] {
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continue
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}
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set options {debug}
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if {$variant == "mt" } {
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lappend options "pthreads"
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}
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# Don't use standard_testfile as we need a different binary
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# for each variant.
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set testfile $gdb_test_file_name-$variant
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set binfile [standard_output_file ${testfile}]
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set srcfile $testfile.c
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set srcfile2 $gdb_test_file_name.c
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if {[build_executable "failed to prepare" \
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$testfile \
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"${srcfile} ${srcfile2}" \
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$options] == -1} {
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return -1
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}
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mi_delete_breakpoints
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mi_gdb_reinitialize_dir $srcdir/$subdir
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mi_gdb_reinitialize_dir $srcdir/$subdir
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mi_gdb_load ${binfile}
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mi_runto test
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# Leave the breakpoint at 'test' set, on purpose. The next
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# resume shall emit a single '*running,thread-id="all"', even
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# if GDB needs to step over a breakpoint (that is, even if GDB
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# needs to run only one thread for a little bit).
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set bp_location [gdb_get_line_number "set breakpoint here" $srcfile2]
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set bp_location_end [gdb_get_line_number "set end breakpoint here" $srcfile2]
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mi_gdb_test "-break-insert -c return_false() $srcfile2:$bp_location" ".*" \
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"insert conditional breakpoint"
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mi_gdb_test "-break-insert $srcfile2:$bp_location_end" ".*" \
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"insert end breakpoint"
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set msg "no spurious *running notifications"
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send_gdb "-exec-continue\n"
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gdb_expect {
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-re "\\*running.*\\*running.*\\*stopped" {
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fail $msg
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}
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-re "\\^running\r\n\\*running,thread-id=\"all\"\r\n${mi_gdb_prompt}.*\\*stopped" {
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pass $msg
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}
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timeout {
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fail "$msg (timeout)"
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}
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}
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# In sync mode, there's an extra prompt after *stopped. Consume it.
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if {!$async} {
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gdb_expect {
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-re "$mi_gdb_prompt" {
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}
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}
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}
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}
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}
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# Single-threaded.
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test "st"
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# Multi-threaded.
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test "mt"
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