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1d506c26 | 1 | # Copyright 2020-2024 Free Software Foundation, Inc. |
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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 | # Test that inserting a hardware and a software breakpoint at the same | |
17 | # address behaves as expected. GDB used to consider hw and sw | |
18 | # breakpoint locations as duplicate locations, which would lead to bad | |
19 | # behavior. See PR gdb/25741. | |
20 | ||
e0c86460 | 21 | require allow_hw_breakpoint_tests |
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22 | |
23 | set test hbreak | |
24 | set srcfile ${test}.c | |
25 | if { [prepare_for_testing "failed to prepare" ${test} ${srcfile}] } { | |
26 | return -1 | |
27 | } | |
28 | ||
29 | if ![runto_main] { | |
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30 | return -1 |
31 | } | |
32 | ||
33 | delete_breakpoints | |
34 | ||
35 | gdb_test_no_output "set breakpoint always-inserted on" | |
36 | gdb_test_no_output "set breakpoint condition-evaluation host" | |
37 | gdb_test_no_output "set confirm off" | |
38 | ||
39 | # Test inserting a hw breakpoint first, then a sw breakpoint at the | |
40 | # same address. | |
41 | with_test_prefix "hw-sw" { | |
e777225b | 42 | gdb_test "hbreak -q main" \ |
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43 | "Hardware assisted breakpoint .* at .*" \ |
44 | "hbreak" | |
45 | ||
e777225b | 46 | gdb_test "break -q main" \ |
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47 | "Note: breakpoint .* also set at .*\r\nBreakpoint .* at .*" \ |
48 | "break" | |
49 | ||
50 | # A bad GDB debugging against GDBserver would output a warning | |
51 | # here: | |
52 | # delete breakpoints | |
a500c3d8 | 53 | # warning: error removing breakpoint 3 at <ADDRESS> |
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54 | # (gdb) FAIL: gdb.base/hw-sw-break-same-address.exp: hw-sw: delete breakpoints |
55 | gdb_test_no_output "delete breakpoints" | |
56 | } | |
57 | ||
58 | # Now the opposite: test inserting a sw breakpoint first, then a hw | |
59 | # breakpoint at the same address. | |
60 | with_test_prefix "sw-hw" { | |
e777225b | 61 | gdb_test "break -q main" \ |
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62 | "Breakpoint .* at .*" \ |
63 | "break" | |
64 | ||
e777225b | 65 | gdb_test "hbreak -q main" \ |
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66 | "Note: breakpoint .* also set at .*\r\nHardware assisted breakpoint .* at .*" \ |
67 | "hbreak" | |
68 | ||
69 | gdb_test_no_output "delete breakpoints" | |
70 | } |