| # Copyright 1998-2021 Free Software Foundation, Inc. |
| # |
| # This program is free software; you can redistribute it and/or modify |
| # it under the terms of the GNU General Public License as published by |
| # the Free Software Foundation; either version 3 of the License, or |
| # (at your option) any later version. |
| # |
| # This program is distributed in the hope that it will be useful, |
| # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| # GNU General Public License for more details. |
| # |
| # You should have received a copy of the GNU General Public License |
| # along with this program. If not, see <http://www.gnu.org/licenses/>. |
| |
| # This file was written by Michael Snyder (msnyder@cygnus.com) |
| |
| load_lib "trace-support.exp" |
| |
| standard_testfile actions.c |
| set executable $testfile |
| set expfile $testfile.exp |
| |
| if ![gdb_trace_common_supports_arch] { |
| unsupported "no trace-common.h support for arch" |
| return -1 |
| } |
| |
| if [prepare_for_testing "failed to prepare" $executable $srcfile \ |
| [list debug nowarnings nopie]] { |
| return -1 |
| } |
| |
| if ![runto_main] { |
| return -1 |
| } |
| |
| if { ![gdb_target_supports_trace] } then { |
| unsupported "current target does not support trace" |
| return 1 |
| |
| } |
| |
| # |
| # test backtraces in trace frames |
| # |
| |
| set testline1 0 |
| set testline2 0 |
| set testline3 0 |
| set testline4 0 |
| set testline5 0 |
| set testline6 0 |
| |
| set arg1 1 |
| set arg2 2 |
| set arg3 3 |
| set arg4 4 |
| set arg5 5 |
| set arg6 6 |
| |
| set baseline [gdb_find_recursion_test_baseline $srcfile] |
| if { $baseline == -1 } { |
| fail "could not find gdb_recursion_test function" |
| return |
| } |
| |
| set return_me 0 |
| |
| gdb_test_multiple "list $baseline, +12" "all tests in this module will fail" { |
| -re "\[\r\n\](\[0-9\]+).*gdbtestline 1 " { |
| set testline1 $expect_out(1,string) |
| exp_continue |
| } |
| -re "\[\r\n\](\[0-9\]+).*gdbtestline 2 " { |
| set testline2 $expect_out(1,string) |
| exp_continue |
| } |
| -re "\[\r\n\](\[0-9\]+).*gdbtestline 3 " { |
| set testline3 $expect_out(1,string) |
| exp_continue |
| } |
| -re "\[\r\n\](\[0-9\]+).*gdbtestline 4 " { |
| set testline4 $expect_out(1,string) |
| exp_continue |
| } |
| -re "\[\r\n\](\[0-9\]+).*gdbtestline 5 " { |
| set testline5 $expect_out(1,string) |
| exp_continue |
| } |
| -re "\[\r\n\](\[0-9\]+).*gdbtestline 6 " { |
| set testline6 $expect_out(1,string) |
| exp_continue |
| } |
| -re ".*$gdb_prompt $" { |
| if { ($testline1 == 0) || ($testline2 == 0) || ($testline3 == 0) || ($testline4 == 0) || ($testline5 == 0) || ($testline6 == 0) } { |
| untested "unexpected testline values" |
| set return_me 1 |
| all tests in this module will fail." |
| } |
| } |
| default { |
| untested "couldn't match pattern" |
| set return_me 1 |
| all tests in this module will fail." |
| } |
| } |
| |
| if { $return_me == 1 } then { |
| return -1 |
| } |
| |
| # |
| # Setup backtrace experiment. This will involve: |
| # 1) a tracepoint where nothing is collected |
| # 2) a tracepoint where only regs are collected |
| # 3) a tracepoint where regs, locals and args are collected |
| # 4) a tracepoint where regs plus some amount of stack are collected. |
| # |
| |
| gdb_delete_tracepoints |
| set tdp2 [gdb_gettpnum $testline2] |
| set tdp3 [gdb_gettpnum $testline3] |
| set tdp4 [gdb_gettpnum $testline4] |
| set tdp5 [gdb_gettpnum $testline5] |
| set tdp6 [gdb_gettpnum $testline6] |
| if { $tdp2 <= 0 || $tdp3 <= 0 || \ |
| $tdp4 <= 0 || $tdp5 <= 0 || $tdp6 <= 0 } then { |
| fail "setting tracepoints failed" |
| return |
| } |
| |
| #gdb_trace_setactions "setup TP to collect FP" \ |
| # "$tdp2" \ |
| # "collect \$fp" "" |
| # |
| |
| gdb_trace_setactions "8.6: setup TP to collect regs" \ |
| "$tdp3" \ |
| "collect \$regs" "^$" |
| |
| gdb_trace_setactions "8.6: setup TP to collect regs, args, and locals" \ |
| "$tdp4" \ |
| "collect \$regs, \$args, \$locs" "^$" |
| |
| gdb_trace_setactions "8.6: setup TP to collect stack mem cast expr" \ |
| "$tdp6" \ |
| "collect \$$fpreg, \(\*\(void \*\*\) \(\$$spreg\)\) @ 128" "^$" |
| |
| gdb_test_no_output "tstart" "" |
| |
| gdb_breakpoint "end" qualified |
| gdb_test "continue" \ |
| "Continuing.*Breakpoint $decimal, end.*" \ |
| "run trace experiment" |
| |
| gdb_test_no_output "tstop" "" |
| |
| proc gdb_backtrace_tdp_1 { msg } { |
| global gdb_prompt |
| |
| # We are in a trace frame at which we didn't collect anything |
| # except $PC. Therefore we expect to be able to identify stack |
| # frame #0, but that's about all. In particular we do not expect |
| # to be able to display the function's arguments or locals, and we |
| # do not expect to be able to identify the caller of this function. |
| |
| gdb_test "backtrace" \ |
| "#0\[\t \]+gdb_recursion_test.*depth=.*" \ |
| "$msg" |
| } |
| |
| proc gdb_backtrace_tdp_2 { msg } { |
| global gdb_prompt |
| |
| # We are in a trace frame at which we collected only the registers |
| # Therefore we expect to be able to identify stack frame #0, but |
| # we don't expect to be able to display its args unles they are |
| # passed in registers (which isn't the case for m68k), and we |
| # don't expect to be able to identify the caller's stack frame. |
| |
| gdb_test "backtrace" \ |
| "#0\[\t \]+gdb_recursion_test.*depth=.*" \ |
| "$msg" |
| } |
| |
| proc gdb_backtrace_tdp_3 { msg } { |
| global gdb_prompt |
| |
| # We are in a trace frame at which we collected all registers, all |
| # arguments and all locals. This means that the display of |
| # stack frame #0 should be complete (including argument values). |
| |
| gdb_test_multiple "backtrace" "$msg" { |
| -re "#0\[\t \]+gdb_recursion_test.*depth=\[0-9\]+.*q1=\[0-9\]+.*q2=\[0-9\]+.*q3=\[0-9\]+.*q4=\[0-9\]+.*q5=\[0-9\]+.*q6=\[0-9\]+.*$gdb_prompt $" { |
| pass "$msg" |
| } |
| -re "#0\[\t \]+gdb_recursion_test.*depth=Cannot access.*$gdb_prompt $" { |
| fail "$msg (failed to collect arguments)" |
| } |
| } |
| } |
| |
| proc gdb_backtrace_tdp_4 { msg depth traceframe } { |
| global gdb_prompt |
| |
| with_test_prefix "traceframe $traceframe" { |
| # We are in a trace frame at which we collected all registers, |
| # plus a sizeable hunk of stack memory. This should enable us to |
| # display at least several stack frames worth of backtrace. We'll |
| # assume that if we can't display at least "depth" levels (with |
| # args), it counts as an error. |
| |
| gdb_test_multiple "backtrace" "$msg" { |
| -re "#$depth\[\t \].*gdb_recursion_test.*depth=\[0-9\]+.*q1=\[0-9\]+.*q2=\[0-9\]+.*q3=\[0-9\]+.*q4=\[0-9\]+.*q5=\[0-9\]+.*q6=\[0-9\]+.*$gdb_prompt $" { |
| pass "$msg" |
| } |
| -re "#$depth\[\t \].*gdb_recursion_test.*depth=.*$gdb_prompt $" { |
| fail "$msg (args missing from #$depth stack frame)" |
| } |
| -re "#\[0-9\]+\[\t \].*gdb_recursion_test.*depth=.*$gdb_prompt $" { |
| fail "$msg (fewer than $depth stack frames found)" |
| } |
| } |
| |
| set output_string0 "" |
| # Match the output of command 'tdump' and save it in |
| # $output_string0. |
| set test "tdump on frame 0" |
| gdb_test_multiple "tdump" $test { |
| -re "tdump\[\r\n\]+(.*)\[\r\n\]+$gdb_prompt $" { |
| set output_string0 $expect_out(1,string) |
| } |
| } |
| |
| gdb_test "up" ".*" "" |
| |
| # Test that command 'tdump' still works properly when the |
| # selected frame is not the current frame, and save the output |
| # in $output_string1. |
| set test "tdump on frame 1" |
| set output_string1 "" |
| gdb_test_multiple "tdump" $test { |
| -re "tdump\[\r\n\]+(.*)\[\r\n\]+$gdb_prompt $" { |
| set output_string1 $expect_out(1,string) |
| } |
| } |
| |
| # Output of 'tdump' on frame 0 and frame 1 should be |
| # identical. |
| gdb_assert ![string compare $output_string0 $output_string1] \ |
| "tdump output" |
| } |
| } |
| |
| # |
| # begin backtrace test |
| # |
| |
| set timeout 60 |
| |
| gdb_tfind_test "init: make sure not debugging any trace frame" "none" "-1" |
| |
| gdb_tfind_test "8.6: find start frame" "start" "0" |
| gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \ |
| "TDP $tdp2:" "" |
| gdb_backtrace_tdp_1 "8.6: Backtrace, depth == 1, collect nothing" |
| |
| gdb_tfind_test "8.6: find frame 1" "1" "1" |
| gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \ |
| "TDP $tdp3:" "" |
| gdb_backtrace_tdp_2 "8.6: Backtrace, depth == 1, collect regs" |
| |
| gdb_tfind_test "8.6: find frame 2" "2" "2" |
| gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \ |
| "TDP $tdp4:" "" |
| gdb_backtrace_tdp_3 "8.6: Backtrace, depth == 1, collect args and locals" |
| |
| |
| gdb_tfind_test "8.6: find frame 4" "4" "4" |
| gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \ |
| "TDP $tdp6:" "" |
| gdb_backtrace_tdp_4 "8.6: Backtrace, depth == 1, collect stack mem expr" "0" 4 |
| |
| gdb_tfind_test "8.6: find frame 5" "5" "5" |
| gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \ |
| "TDP $tdp2:" "" |
| gdb_backtrace_tdp_1 "8.6: Backtrace, depth == 2, collect nothing" |
| |
| gdb_tfind_test "8.6: find frame 6" "6" "6" |
| gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \ |
| "TDP $tdp3:" "" |
| gdb_backtrace_tdp_2 "8.6: Backtrace, depth == 2, collect regs" |
| |
| gdb_tfind_test "8.6: find frame 7" "7" "7" |
| gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \ |
| "TDP $tdp4:" "" |
| gdb_backtrace_tdp_3 "8.6: Backtrace, depth == 2, collect args and locals" |
| |
| |
| gdb_tfind_test "8.6: find frame 9" "9" "9" |
| gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \ |
| "TDP $tdp6:" "" |
| gdb_backtrace_tdp_4 "8.6: Backtrace, depth == 1, collect stack mem expr" "0" 9 |
| |
| gdb_tfind_test "8.6: find frame 10" "10" "10" |
| gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \ |
| "TDP $tdp2:" "" |
| gdb_backtrace_tdp_1 "8.6: Backtrace, depth == 3, collect nothing" |
| |
| gdb_tfind_test "8.6: find frame 11" "11" "11" |
| gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \ |
| "TDP $tdp3:" "" |
| gdb_backtrace_tdp_2 "8.6: Backtrace, depth == 3, collect regs" |
| |
| gdb_tfind_test "8.6: find frame 12" "12" "12" |
| gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \ |
| "TDP $tdp4:" "" |
| gdb_backtrace_tdp_3 "8.6: Backtrace, depth == 3, collect args and locals" |
| |
| |
| gdb_tfind_test "8.6: find frame 14" "14" "14" |
| gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \ |
| "TDP $tdp6:" "" |
| gdb_backtrace_tdp_4 "8.6: Backtrace, depth == 1, collect stack mem expr" "0" 14 |
| |
| gdb_tfind_test "8.6: find frame 15" "15" "15" |
| gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \ |
| "TDP $tdp2:" "" |
| gdb_backtrace_tdp_1 "8.6: Backtrace, depth == 4, collect nothing" |
| |
| gdb_tfind_test "8.6: find frame 16" "16" "16" |
| gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \ |
| "TDP $tdp3:" "" |
| gdb_backtrace_tdp_2 "8.6: Backtrace, depth == 4, collect regs" |
| |
| gdb_tfind_test "8.6: find frame 17" "17" "17" |
| gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \ |
| "TDP $tdp4:" "" |
| gdb_backtrace_tdp_3 "8.6: Backtrace, depth == 4, collect args and locals" |
| |
| |
| gdb_tfind_test "8.6: find frame 19" "19" "19" |
| gdb_test "printf \"TDP \%d:\\n\", \$tracepoint" \ |
| "TDP $tdp6:" "" |
| gdb_backtrace_tdp_4 "8.6: Backtrace, depth == 1, collect stack mem expr" "0" 19 |
| |
| gdb_test "printf \"x \%d x\\n\", depth == 3" \ |
| "x 0 x" \ |
| "1.13: trace in recursion: depth not equal to 3" |
| |
| # Finished! |
| gdb_test "tfind none" ".*" "" |
