projects / deliverable / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| 88b9d363 | 1 | # Copyright 2012-2022 Free Software Foundation, Inc. |
| 3fc8eb30 PA |
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 | ||
| 16 | # Step over breakpoints with displaced stepping on, against Valgrind. | |
| 17 | # We can't really use displaced stepping with Valgrind, so what this | |
| 18 | # really tests is that GDB falls back to in-line stepping | |
| 19 | # automatically instead of getting stuck or crashing. | |
| 20 | ||
| 68b9ac18 TV |
21 | load_lib valgrind.exp |
| 22 | ||
| 3fc8eb30 PA |
23 | if [is_remote target] { |
| 24 | # The test always runs locally. | |
| 25 | return 0 | |
| 26 | } | |
| 27 | ||
| 28 | standard_testfile .c | |
| 29 | if {[build_executable "failed to build" $testfile $srcfile {debug}] == -1} { | |
| 30 | return -1 | |
| 31 | } | |
| 32 | ||
| 68b9ac18 | 33 | if { [vgdb_start] == -1 } { |
| 3fc8eb30 PA |
34 | return -1 |
| 35 | } | |
| 3fc8eb30 PA |
36 | |
| 37 | gdb_test_no_output "set displaced-stepping off" | |
| 38 | gdb_breakpoint "main" "breakpoint at main" | |
| 39 | gdb_test "continue" " stop 0 .*" "continue to main" | |
| 40 | delete_breakpoints | |
| 41 | ||
| 42 | set curr_stop 0 | |
| 43 | foreach displaced { "off" "on" } { | |
| 44 | with_test_prefix "displaced $displaced" { | |
| 45 | ||
| 46 | gdb_test_no_output "set displaced-stepping $displaced" | |
| 47 | ||
| 48 | foreach go { "once" "twice" } { | |
| 49 | with_test_prefix $go { | |
| 50 | gdb_test "break" "Breakpoint .* at .*" "set breakpoint" | |
| 51 | ||
| 52 | # Whether we should see a warning. | |
| 53 | set should_warn [expr {$go == "once" && $displaced == "on"}] | |
| 54 | ||
| 55 | incr curr_stop | |
| 56 | ||
| 57 | set msg "step over breakpoint" | |
| 58 | set pattern " stop $curr_stop .*$gdb_prompt $" | |
| 59 | gdb_test_multiple "next" $msg { | |
| 60 | -re "warning: disabling displaced stepping.*$pattern" { | |
| 61 | gdb_assert $should_warn $msg | |
| 62 | } | |
| 63 | -re "$pattern" { | |
| 64 | gdb_assert !$should_warn $msg | |
| 65 | } | |
| 66 | } | |
| 67 | } | |
| 68 | } | |
| 69 | } | |
| 70 | } | |
| 71 | ||
| 68b9ac18 | 72 | vgdb_stop |