1# Copyright 2012-2020 Free Software Foundation, Inc. 2 3# This program is free software; you can redistribute it and/or modify 4# it under the terms of the GNU General Public License as published by 5# the Free Software Foundation; either version 3 of the License, or 6# (at your option) any later version. 7# 8# This program is distributed in the hope that it will be useful, 9# but WITHOUT ANY WARRANTY; without even the implied warranty of 10# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 11# GNU General Public License for more details. 12# 13# You should have received a copy of the GNU General Public License 14# along with this program. If not, see <http://www.gnu.org/licenses/>. 15 16load_lib "trace-support.exp" 17 18standard_testfile 19set executable "" 20 21set ws "\[\r\n\t \]+" 22set cr "\[\r\n\]+" 23 24# Only x86 and x86_64 targets are supported for now. 25 26if { ![istarget "x86_64-*"] && ![istarget "i?86-*"] } { 27 continue 28} 29 30proc compile_stap_bin {exec_name {arg ""}} { 31 global srcfile 32 global srcdir 33 global subdir 34 global executable 35 36 if { $arg != "" } { 37 set arg "additional_flags=$arg" 38 } 39 40 set executable ${exec_name} 41 42 if { [gdb_compile "$srcdir/$subdir/$srcfile" \ 43 [standard_output_file $exec_name] \ 44 executable [concat $arg debug nowarnings]] != "" } { 45 untested "failed to compile" 46 return 0 47 } 48 49 return 1 50} 51 52proc prepare_for_trace_test {} { 53 global executable 54 55 clean_restart $executable 56 57 if { ![runto_main] } { 58 perror "Could not run to `main'." 59 continue 60 } 61 62 gdb_breakpoint [gdb_get_line_number "end-here"] 63} 64 65proc run_trace_experiment { test_probe msg } { 66 global gdb_prompt 67 68 set test "collect $msg: start trace experiment" 69 gdb_test_multiple "tstart" "$test" { 70 -re "^tstart\r\n$gdb_prompt $" { 71 pass "$test" 72 } 73 } 74 75 gdb_test "continue" \ 76 "Continuing.*Breakpoint \[0-9\]+.*" \ 77 "collect $msg: run trace experiment" 78 gdb_test "tstop" \ 79 "\[\r\n\]+" \ 80 "collect $msg: stop trace experiment" 81 gdb_test "tfind start" \ 82 "#0 .*" \ 83 "collect $msg: tfind test frame" 84} 85 86proc gdb_collect_probe_arg { msg probe val_arg0 } { 87 global gdb_prompt 88 global cr 89 90 prepare_for_trace_test 91 92 gdb_test "trace $probe" \ 93 "Tracepoint \[0-9\]+ at .*" \ 94 "collect $msg: set tracepoint" 95 gdb_trace_setactions "collect $msg: define actions" \ 96 "" \ 97 "collect \$_probe_arg0" "^$" 98 99 # Begin the test. 100 run_trace_experiment $msg $probe 101 102 gdb_test "print \$_probe_arg0" \ 103 "\\$\[0-9\]+ = $val_arg0$cr" \ 104 "collect $msg: collected probe arg0" 105} 106 107if {![compile_stap_bin "stap-probe-nosem"]} { 108 # An appropriate failure message has already been output 109 return -1 110} 111 112clean_restart $executable 113if { ![runto_main] } { 114 perror "Could not run to `main'." 115 continue 116} 117 118if { ![gdb_target_supports_trace] } { 119 # Test cannot run on this target. 120 return 1 121} 122 123gdb_collect_probe_arg "probe args without semaphore" "-probe-stap user" "23" 124gdb_exit 125 126if {![compile_stap_bin "stap-probe-sem" "-DUSE_PROBES"]} { 127 # An appropriate failure message has already been output 128 return -1 129} 130 131gdb_collect_probe_arg "probe args with semaphore" "-probe-stap two" "46" 132 133# Finished! 134gdb_test "tfind none" ".*" "" 135