mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-12-15 04:31:49 +08:00
270 lines
7.3 KiB
Plaintext
270 lines
7.3 KiB
Plaintext
# Copyright 2012-2020 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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load_lib trace-support.exp
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if {[skip_shlib_tests]} {
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return 0
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}
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if ![gdb_trace_common_supports_arch] {
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unsupported "no trace-common.h support for arch"
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return -1
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}
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standard_testfile pending.c
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set libfile1 "pendshr1"
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set libfile2 "pendshr2"
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set executable $testfile
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set libsrc1 $srcdir/$subdir/$libfile1.c
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set libsrc2 $srcdir/$subdir/$libfile2.c
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set lib_sl1 [standard_output_file pendshr1.sl]
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set lib_sl2 [standard_output_file pendshr2.sl]
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set lib_opts [gdb_target_symbol_prefix_flags]
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if { [gdb_compile_shlib $libsrc1 $lib_sl1 $lib_opts] != ""
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|| [gdb_compile_shlib $libsrc2 $lib_sl2 $lib_opts] != ""} {
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untested "failed to compile shared library"
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return -1
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}
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set exec_opts [list debug shlib=$lib_sl1 shlib_load]
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if { [gdb_compile $srcdir/$subdir/$srcfile $binfile executable $exec_opts] != "" } {
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untested "failed to compile"
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return -1
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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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# Test when GDB connects to a disconnected stub, existing tracepoints in
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# remote stub can be uploaded to GDB, and GDB emits MI notification if
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# new tracepoints are created.
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proc test_reconnect { } {
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with_test_prefix "reconnect" {
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global gdbserver_reconnect_p
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global gdb_prompt
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global executable
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global lib_sl1 lib_sl2
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set gdbserver_reconnect_p 1
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if { [info proc gdb_reconnect] == "" } {
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return 0
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}
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clean_restart $executable
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gdb_load_shlib $lib_sl1
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gdb_load_shlib $lib_sl2
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if ![runto_main] then {
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fail "can't run to main"
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return 0
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}
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# Create tracepoints on marker and main, and leave them in the
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# remote stub.
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gdb_test "trace marker" "Tracepoint.*at.* file .*" \
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"tracepoint on marker"
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gdb_test "trace main" "Tracepoint.*at.* file .*" \
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"tracepoint on main"
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gdb_test_no_output "tstart" "start trace experiment"
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set test "disconnect"
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gdb_test_multiple "disconnect" $test {
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-re "Trace is running but will stop on detach; detach anyway\\? \\(y or n\\) $" {
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pass $test
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set test "disconnected"
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gdb_test_multiple "y" $test {
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-re "$gdb_prompt $" {
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pass "$test"
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}
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}
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}
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}
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gdb_exit
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if [mi_gdb_start] {
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return
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}
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global srcdir
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global subdir
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global binfile
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mi_gdb_reinitialize_dir $srcdir/$subdir
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mi_gdb_load ${binfile}
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global gdbserver_protocol
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global gdbserver_gdbport
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# Create tracepoints on marker and pendfunc2.
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mi_gdb_test "-break-insert -a -f pendfunc2" \
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{.*\^done,bkpt=.*addr=\"<PENDING>\".*} \
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"insert tracepoint on pendfunc2"
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mi_gdb_test "-break-insert -a marker" {.*\^done,bkpt=.*\".*} \
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"insert tracepoint on marker"
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# Connect to the remote stub again, and make sure GDB merges the
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# tracepoints of both sides correctly.
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send_gdb "47-target-select $gdbserver_protocol $gdbserver_gdbport\n"
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global mi_gdb_prompt
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set test "tracepoint created"
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gdb_expect {
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-re "=breakpoint-created,bkpt=\{number=\"1\",type=\"tracepoint\"" {
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# Tracepoint 1 in GDB, which has already existed before
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# connecting, should have been merged with a tracepoint on
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# the target, so we shouldn't see a =breakpoint-created
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# notification for it.
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fail "$test: 1"
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exp_continue
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}
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-re "=breakpoint-created,bkpt=\{number=\"2\",type=\"tracepoint\"" {
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# Similar to above.
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fail "$test: 2"
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exp_continue
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}
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-re "=breakpoint-created,bkpt=\{number=\"3\",type=\"tracepoint\",disp=\"keep\",enabled=\"y\",\[^\n\]+,func=\"main\"\[^\n\]+,installed=\"y\"" {
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# A tracepoint on main was defined in the stub, not in GDB,
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# so we should see a =breakpoint-created notification.
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pass $test
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}
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}
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# Tracepoint on marker is defined. After the sync, we know that
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# the tracepoint is in remote stub. Mark it 'installed'.
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set test "tracepoint on marker is installed"
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gdb_expect {
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-re "=breakpoint-modified,bkpt=\{number=\"2\".*,func=\"marker\".*installed=\"y\".*${mi_gdb_prompt}$" {
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pass "$test"
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}
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}
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# Check that tracepoint 1 is still pending.
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mi_gdb_test "-break-info 1" \
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{.*\^done,BreakpointTable=.*addr=\"<PENDING>\".*} \
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"break-info 1"
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set gdbserver_reconnect_p 0
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}
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}
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# Test 'breakpoint-modified' notification is emited when pending tracepoints are
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# resolved.
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proc test_pending_resolved { } {
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with_test_prefix "pending resolved" {
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global decimal hex
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global executable
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global srcdir
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global subdir
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global binfile
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global lib_sl1 lib_sl2
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global mi_gdb_prompt
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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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mi_gdb_reinitialize_dir $srcdir/$subdir
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mi_gdb_load ${binfile}
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mi_load_shlibs $lib_sl1 $lib_sl2
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# Create a pending tracepoint on pendfunc2
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mi_gdb_test "-break-insert -a -f pendfunc2" \
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{.*\^done,bkpt=.*addr=\"<PENDING>\".*} \
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"insert breakpoint on pendfunc2"
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# Insert breakpoint on marker
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mi_gdb_test "-break-insert marker" {.*\^done,bkpt=.*} \
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"insert breakpoint on marker"
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mi_run_cmd
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mi_expect_stop "breakpoint-hit" "marker" ""\
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".*" ".*" {"" "disp=\"keep\""} \
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"continue to marker breakpoint"
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mi_gdb_test "-trace-start" {\^done} "trace start"
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mi_send_resuming_command "exec-continue" "continuing execution to marker 1"
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# It is expected to get two "=breakpoint-modified" notifications.
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# Pending tracepoint is resolved.
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set test "tracepoint on pendfunc2 resolved"
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gdb_expect {
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-re "=breakpoint-modified,bkpt=\{number=\"1\",type=\"tracepoint\".*.*times=\"0\".*installed=\"n\"" {
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pass "$test"
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}
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}
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# Resolved tracepoint is installed.
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set test "tracepoint on pendfunc2 installed"
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gdb_expect {
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-re "=breakpoint-modified,bkpt=\{number=\"1\",type=\"tracepoint\".*.*times=\"0\".*installed=\"y\"" {
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pass "$test"
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}
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}
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mi_expect_stop "breakpoint-hit" "marker" ".*" ".*" ".*" \
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{"" "disp=\"keep\""} "continue to marker"
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mi_gdb_test "-trace-stop" {\^done,.*} "trace stop"
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mi_gdb_test "-trace-find frame-number 0" \
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"-trace-find frame-number 0\r\n\\^done,found=\"1\",tracepoint=\"${decimal}\",traceframe=\"0\",frame=\{.*" \
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"-trace-find frame-number 0"
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mi_gdb_test "-trace-find none" {\^done,found="0"} "back to live inferior"
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mi_send_resuming_command "exec-continue" "continuing to exit"
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set test "tracepoint on pendfunc2 becomes pending again"
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gdb_expect {
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-re ".*=breakpoint-modified,bkpt=\{number=\"1\",type=\"tracepoint\".*addr=\"<PENDING>\",.*times=\"0\"" {
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pass "$test"
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}
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-re ".*${mi_gdb_prompt}$" {
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fail $test
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}
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timeout {
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fail "$test (timeout)"
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}
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}
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mi_expect_stop "exited-normally" "" "" "" "" "" ""
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}
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}
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# Test target supports tracepoints or not.
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clean_restart $executable
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gdb_load_shlib $lib_sl1
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gdb_load_shlib $lib_sl2
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if ![runto_main] {
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fail "can't run to main to check for trace support"
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return -1
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}
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if ![gdb_target_supports_trace] {
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unsupported "current target does not support trace"
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return -1
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}
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gdb_exit
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test_reconnect
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test_pending_resolved
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return 0
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