192 lines
7 KiB
Text
192 lines
7 KiB
Text
# Copyright 2013-2015 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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load_lib trace-support.exp
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standard_testfile trace-unavailable.c
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if { [prepare_for_testing ${testfile}.exp ${testfile} ${srcfile} {debug}] } {
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return -1
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}
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if ![runto_main] {
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fail "Can't run to main to check for trace support"
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return -1
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}
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if ![gdb_target_supports_trace] {
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unsupported "Current target does not support trace"
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return -1
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}
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gdb_exit
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load_lib mi-support.exp
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set MIFLAGS "-i=mi"
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if [mi_gdb_start] {
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return
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}
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mi_run_to_main
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mi_gdb_test "-break-insert marker" \
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"\\^done,bkpt=\{number=\"${decimal}\",type=\"breakpoint\".*\"\}" \
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"insert tracepoint on marker"
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mi_gdb_test "-break-insert -a bar" \
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"\\^done,bkpt=\{number=\"${decimal}\",type=\"tracepoint\".*\"\}" \
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"insert tracepoint on bar"
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# Define an action.
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mi_gdb_test "-break-commands 3 \"collect array\" \"collect j\" \"end\" " \
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{\^done} "set action"
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mi_gdb_test "-break-insert -a foo" \
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"\\^done,bkpt=\{number=\"${decimal}\",type=\"tracepoint\".*\"\}" \
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"insert tracepoint on foo"
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# Collect 'main' to make sure no registers are collected except PC.
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mi_gdb_test "-break-commands 4 \"collect main\" \"end\" " \
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{\^done} "set action on tracepoint 4"
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mi_gdb_test "-trace-start" {.*\^done} "trace start"
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mi_send_resuming_command "exec-continue" "continuing to marker"
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mi_expect_stop \
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"breakpoint-hit" "marker" ".*" ".*" ".*" {"" "disp=\"keep\""} \
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"stop at marker"
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mi_gdb_test "-trace-stop" {.*} "trace stop"
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# Save trace frames to tfile.
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set tracefile [standard_output_file ${testfile}]
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mi_gdb_test "-trace-save ${tracefile}.tf" ".*\\^done" \
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"save tfile trace file"
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# Save trace frames to ctf.
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mi_gdb_test "-trace-save -ctf ${tracefile}.ctf" ".*\\^done" \
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"save ctf trace file"
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proc test_trace_unavailable { data_source } {
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global decimal
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with_test_prefix "$data_source" {
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# Test MI commands '-stack-list-locals', '-stack-list-arguments',
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# and '-stack-list-variables'.
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mi_gdb_test "-trace-find frame-number 0" \
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".*\\^done,found=\"1\",tracepoint=\"${decimal}\",traceframe=\"0\",frame=\{.*" \
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"-trace-find frame-number 0"
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# The "print entry-values" option shouldn't affect the output of
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# '-stack-list-locals'.
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foreach entry_values { no only preferred if-needed both compact default } {
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mi_gdb_test "-gdb-set print entry-values $entry_values" {\^done} ""
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with_test_prefix "$entry_values" {
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# Test MI command '-stack-list-locals'.
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mi_gdb_test "-stack-list-locals --simple-values" \
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".*\\^done,locals=\\\[\{name=\"array\",type=\"unsigned char \\\[2\\\]\"\},\{name=\"i\",type=\"int\",value=\"<unavailable>\"\}\\\]" \
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"-stack-list-locals --simple-values"
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}
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}
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mi_gdb_test "-gdb-set print entry-values no" {\^done} \
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"-gdb-set print entry-values no"
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# Test MI command '-stack-list-locals'.
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mi_gdb_test "-stack-list-locals --simple-values" \
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".*\\^done,locals=\\\[\{name=\"array\",type=\"unsigned char \\\[2\\\]\"\},\{name=\"i\",type=\"int\",value=\"<unavailable>\"\}\\\]" \
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"-stack-list-locals --simple-values"
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mi_gdb_test "-stack-list-locals --skip-unavailable --simple-values" \
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".*\\^done,locals=\\\[\{name=\"array\",type=\"unsigned char \\\[2\\\]\"\}\\\]" \
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"-stack-list-locals --skip-unavailable --simple-values"
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# Test MI command '-stack-list-arguments'.
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mi_gdb_test "-stack-list-arguments --simple-values" \
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".*\\^done,stack-args=\\\[frame=\{level=\"0\",args=\\\[\{name=\"j\",type=\"int\",value=\"4\"\},\{name=\"s\",type=\"char \\\*\",value=\"<unavailable>\"\}\\\]\},.*\}.*" \
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"-stack-list-arguments --simple-values"
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mi_gdb_test "-stack-list-arguments --skip-unavailable --simple-values" \
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".*\\^done,stack-args=\\\[frame=\{level=\"0\",args=\\\[\{name=\"j\",type=\"int\",value=\"4\"\}\\\]\},.*\}.*" \
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"-stack-list-arguments --skip-unavailable --simple-values"
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# Test MI command '-stack-list-variables'.
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mi_gdb_test "-stack-list-variables --simple-values" \
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".*\\^done,variables=\\\[\{name=\"j\",arg=\"1\",type=\"int\",value=\"4\"\},\{name=\"s\",arg=\"1\",type=\"char \\\*\",value=\"<unavailable>\"\},\{name=\"array\",type=\"unsigned char \\\[2\\\]\"\},\{name=\"i\",type=\"int\",value=\"<unavailable>\"\}\\\]" \
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"-stack-list-variables --simple-values"
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mi_gdb_test "-stack-list-variables --skip-unavailable --simple-values" \
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".*\\^done,variables=\\\[\{name=\"j\",arg=\"1\",type=\"int\",value=\"4\"\},\{name=\"array\",type=\"unsigned char \\\[2\\\]\"\}\\\]" \
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"-stack-list-variables --skip-unavailable --simple-values"
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mi_gdb_test "-trace-find frame-number 1" \
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".*\\^done,found=\"1\",tracepoint=\"${decimal}\",traceframe=\"1\",frame=\{.*" \
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"-trace-find frame-number 1"
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set pcnum 0
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if [is_amd64_regs_target] {
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set pcnum 16
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} elseif [is_x86_like_target] {
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set pcnum 8
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} else {
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# Other ports support tracepoint should define the number
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# of its own pc register.
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}
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if { $pcnum != 0 } {
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global hex
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# Test that register 0 and PC are displayed, and register
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# 0 is unavailable.
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mi_gdb_test "-data-list-register-values x 0 ${pcnum}" \
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".*\\^done,register-values=\\\[\{number=\"0\",value=\"<unavailable>\"\},\{number=\"${pcnum}\",value=\"${hex}\"\}\\\]" \
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"-data-list-register-values x"
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# Test that only available register PC is displayed.
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mi_gdb_test "-data-list-register-values --skip-unavailable x 0 ${pcnum}" \
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".*\\^done,register-values=\\\[\{number=\"${pcnum}\",value=\"${hex}\"\}\\\]" \
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"-data-list-register-values --skip-unavailable x"
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}
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# Don't issue command '-trace-find none' to return from
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# tfind mode (examining trace frames) on purpose, in order
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# to test that GDB is able to clear its tracing-related local state
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# in the next -target-select.
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# mi_gdb_test "-trace-find none" ".*\\^done,found=\"0\".*" "-trace-find none"
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}
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}
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test_trace_unavailable "live"
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# Change target to ctf if GDB supports it.
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set msg "-target-select ctf"
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send_gdb "-target-select ctf ${tracefile}.ctf\n"
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gdb_expect {
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-re ".*\\^connected.*${mi_gdb_prompt}$" {
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# GDB supports ctf, do the test.
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test_trace_unavailable "ctf"
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}
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-re ".*\\^error,msg=\"Undefined target command.*${mi_gdb_prompt}$" {
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# GDB doesn't support ctf, skip the test.
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unsupported "gdb does not support ctf target"
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}
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-re ".*$mi_gdb_prompt$" {
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fail "$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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# Change target to tfile.
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mi_gdb_test "-target-select tfile ${tracefile}.tf" ".*\\^connected.*" \
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"-target-select tfile"
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test_trace_unavailable "tfile"
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mi_gdb_exit
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