projects / thirdparty / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| 3666a048 | 1 | # Copyright 2020-2021 Free Software Foundation, Inc. |
| b62a8028 LM |
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 | # This file is part of the gdb testsuite. | |
| 17 | ||
| 18 | # Test if GDB stops at various BRK instruction patterns inserted into | |
| 19 | # the code. | |
| 20 | ||
| 21 | if {![is_aarch64_target]} { | |
| 22 | verbose "Skipping ${gdb_test_file_name}." | |
| 23 | return | |
| 24 | } | |
| 25 | ||
| 26 | standard_testfile | |
| 27 | if {[prepare_for_testing "failed to prepare" ${testfile} ${srcfile}]} { | |
| 28 | return -1 | |
| 29 | } | |
| 30 | ||
| 31 | if {![runto_main]} { | |
| 32 | untested "could not run to main" | |
| 33 | return -1 | |
| 34 | } | |
| 35 | ||
| 36 | # Number of expected SIGTRAP's to get. This needs to be kept in sync | |
| 37 | # with the source file. | |
| 38 | set expected_traps 3 | |
| 39 | set keep_going 1 | |
| 40 | set count 0 | |
| 41 | ||
| 42 | # Make sure we have a lower timeout in case GDB doesn't support a particular | |
| 43 | # instruction. Such instruction will cause GDB to loop infinitely. | |
| 44 | while {$keep_going} { | |
| 45 | # Continue to next program breakpoint instruction. | |
| 46 | gdb_test_multiple "continue" "brk instruction $count causes SIGTRAP" { | |
| 47 | -re "Program received signal SIGTRAP, Trace/breakpoint trap.*$gdb_prompt $" { | |
| 48 | pass $gdb_test_name | |
| 49 | ||
| 50 | # Insert a breakpoint at the program breakpoint instruction so | |
| 51 | # GDB can step over it. | |
| 52 | gdb_test "break" \ | |
| 53 | "Breakpoint $decimal at $hex: file .*$srcfile, line $decimal.*" \ | |
| 54 | "insert breakpoint at brk instruction $count" | |
| 55 | incr count | |
| 56 | } | |
| 57 | # We've reached the end of the test. | |
| 58 | -re "exited normally.*$gdb_prompt $" { | |
| 59 | set keep_going 0 | |
| 60 | } | |
| 61 | timeout { | |
| 62 | fail $gdb_test_name | |
| 63 | set keep_going 0 | |
| 64 | } | |
| 65 | } | |
| 66 | } | |
| 67 | ||
| 68 | # Verify we stopped at the expected number of SIGTRAP's. | |
| 69 | gdb_assert {$count == $expected_traps} "all brk instructions triggered" |