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cbb55fa7 MM |
1 | # This testcase is part of GDB, the GNU debugger. |
2 | # | |
b811d2c2 | 3 | # Copyright 2015-2020 Free Software Foundation, Inc. |
cbb55fa7 MM |
4 | # |
5 | # This program is free software; you can redistribute it and/or modify | |
6 | # it under the terms of the GNU General Public License as published by | |
7 | # the Free Software Foundation; either version 3 of the License, or | |
8 | # (at your option) any later version. | |
9 | # | |
10 | # This program is distributed in the hope that it will be useful, | |
11 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | # GNU General Public License for more details. | |
14 | # | |
15 | # You should have received a copy of the GNU General Public License | |
16 | # along with this program. If not, see <http://www.gnu.org/licenses/>. | |
17 | ||
b5ac99b0 MM |
18 | if { [skip_btrace_tests] } { |
19 | unsupported "target does not support record-btrace" | |
20 | return -1 | |
21 | } | |
cbb55fa7 | 22 | |
cbb55fa7 MM |
23 | standard_testfile |
24 | if {[gdb_compile_pthreads "$srcdir/$subdir/$srcfile" "$binfile" executable {debug}] != "" } { | |
b5ac99b0 | 25 | untested "failed to prepare" |
cbb55fa7 MM |
26 | return -1 |
27 | } | |
cbb55fa7 | 28 | |
0a1c7e28 MM |
29 | save_vars { GDBFLAGS } { |
30 | append GDBFLAGS " -ex \"set non-stop on\"" | |
31 | clean_restart $testfile | |
32 | } | |
cbb55fa7 MM |
33 | |
34 | if ![runto_main] { | |
b5ac99b0 | 35 | untested "failed to run to main" |
cbb55fa7 MM |
36 | return -1 |
37 | } | |
38 | ||
39 | # set up breakpoints | |
40 | set bp_1 [gdb_get_line_number "bp.1" $srcfile] | |
41 | set bp_2 [gdb_get_line_number "bp.2" $srcfile] | |
42 | set bp_3 [gdb_get_line_number "bp.3" $srcfile] | |
43 | ||
44 | gdb_breakpoint $bp_1 | |
45 | gdb_breakpoint $bp_2 | |
46 | ||
47 | # get the line number containing most of the trace | |
48 | set loop [gdb_get_line_number "loop" $srcfile] | |
49 | ||
50 | # a stop on the above line as reported by GDB | |
51 | set loop_line "$loop\[^\\\r\\\n\]*/\\\* loop \\\*/" | |
52 | ||
53 | # make sure $line matches the full expected output per thread. | |
54 | # and let's hope that GDB never mixes the output from different threads. | |
55 | proc gdb_cont_to { threads cmd line nthreads } { | |
56 | global gdb_prompt | |
57 | set full_cmd "thread apply $threads $cmd" | |
58 | ||
59 | # consume the prompt. since we started the command in the background, | |
60 | # the prompt precedes any further output except some errors. | |
61 | gdb_test_multiple "$full_cmd &" "$full_cmd: prompt" { | |
62 | -re "$gdb_prompt " { | |
63 | pass "$full_cmd: prompt" | |
64 | } | |
65 | } | |
66 | ||
67 | # now check for the expected line - one per thread. | |
68 | for {set i 0} {$i < $nthreads} {incr i} { | |
69 | set test "$full_cmd: thread $i" | |
70 | ||
71 | gdb_test_multiple "" $test { | |
72 | -re "$line\[^\\\r\\\n\]*\r\n" { | |
73 | pass $test | |
74 | } | |
75 | } | |
76 | } | |
77 | } | |
78 | ||
79 | proc gdb_cont_to_bp_line { line threads nthreads } { | |
80 | gdb_cont_to $threads "continue" \ | |
81 | [multi_line \ | |
82 | "Breakpoint\[^\\\r\\\n\]*$line" \ | |
83 | "\[^\\\r\\\n\]*" \ | |
84 | ] \ | |
85 | $nthreads | |
86 | } | |
87 | ||
88 | proc gdb_cont_to_no_history { threads cmd nthreads } { | |
89 | gdb_cont_to $threads $cmd \ | |
90 | [multi_line \ | |
91 | "No more reverse-execution history\." \ | |
92 | "\[^\\\r\\\n\]*" \ | |
93 | "\[^\\\r\\\n\]*" \ | |
94 | ] \ | |
95 | $nthreads | |
96 | } | |
97 | ||
98 | # trace the code between the two breakpoints | |
99 | gdb_cont_to_bp_line "$srcfile:$bp_1" all 2 | |
100 | gdb_test_no_output "record btrace" | |
101 | gdb_cont_to_bp_line "$srcfile:$bp_2" all 2 | |
102 | ||
103 | # we don't need those breakpoints any longer. | |
104 | # they will only disturb our stepping. | |
105 | delete_breakpoints | |
106 | ||
107 | # show the threads - this is useful for debugging fails | |
108 | gdb_test "thread apply all info rec" ".*" | |
109 | gdb_test "info threads" ".*" | |
110 | ||
111 | with_test_prefix "navigate" { | |
112 | gdb_test "thread apply 1 record goto 2" "$loop_line" | |
113 | gdb_test "thread apply 2 record goto 4" "$loop_line" | |
114 | gdb_test "thread apply 1 info record" \ | |
115 | ".*Replay in progress\. At instruction 2\." | |
116 | gdb_test "thread apply 2 info record" \ | |
117 | ".*Replay in progress\. At instruction 4\." | |
118 | ||
119 | gdb_test "thread apply all record goto 5" "$loop_line" | |
120 | gdb_test "thread apply 1 info record" \ | |
121 | ".*Replay in progress\. At instruction 5\." | |
122 | gdb_test "thread apply 2 info record" \ | |
123 | ".*Replay in progress\. At instruction 5\." | |
124 | } | |
125 | ||
126 | with_test_prefix "step" { | |
127 | with_test_prefix "thread 1" { | |
128 | gdb_test "thread apply 1 stepi 2" "$loop_line" | |
129 | gdb_test "thread apply 1 info record" \ | |
130 | ".*Replay in progress\. At instruction 7\." | |
131 | gdb_test "thread apply 2 info record" \ | |
132 | ".*Replay in progress\. At instruction 5\." | |
133 | } | |
134 | ||
135 | with_test_prefix "thread 2" { | |
136 | gdb_test "thread apply 2 stepi 3" "$loop_line" | |
137 | gdb_test "thread apply 1 info record" \ | |
138 | ".*Replay in progress\. At instruction 7\." | |
139 | gdb_test "thread apply 2 info record" \ | |
140 | ".*Replay in progress\. At instruction 8\." | |
141 | } | |
142 | ||
143 | with_test_prefix "all" { | |
144 | gdb_cont_to all "stepi 4" "$loop_line" 2 | |
145 | gdb_test "thread apply 1 info record" \ | |
146 | ".*Replay in progress\. At instruction 11\." | |
147 | gdb_test "thread apply 2 info record" \ | |
148 | ".*Replay in progress\. At instruction 12\." | |
149 | } | |
150 | } | |
151 | ||
152 | with_test_prefix "reverse-step" { | |
153 | with_test_prefix "thread 1" { | |
154 | gdb_test "thread apply 1 reverse-stepi 2" "$loop_line" | |
155 | gdb_test "thread apply 1 info record" \ | |
156 | ".*Replay in progress\. At instruction 9\." | |
157 | gdb_test "thread apply 2 info record" \ | |
158 | ".*Replay in progress\. At instruction 12\." | |
159 | } | |
160 | ||
161 | with_test_prefix "thread 2" { | |
162 | gdb_test "thread apply 2 reverse-stepi 3" "$loop_line" | |
163 | gdb_test "thread apply 1 info record" \ | |
164 | ".*Replay in progress\. At instruction 9\." | |
165 | gdb_test "thread apply 2 info record" \ | |
166 | ".*Replay in progress\. At instruction 9\." | |
167 | } | |
168 | ||
169 | with_test_prefix "all" { | |
170 | gdb_cont_to all "reverse-stepi 4" "$loop_line" 2 | |
171 | gdb_test "thread apply 1 info record" \ | |
172 | ".*Replay in progress\. At instruction 5\." | |
173 | gdb_test "thread apply 2 info record" \ | |
174 | ".*Replay in progress\. At instruction 5\." | |
175 | } | |
176 | } | |
177 | ||
178 | with_test_prefix "continue" { | |
179 | with_test_prefix "thread 1" { | |
180 | gdb_cont_to_no_history 1 "continue" 1 | |
181 | gdb_test "thread apply 1 info record" \ | |
182 | ".*Recorded \[0-9\]+ instructions \[^\\\r\\\n\]*" | |
183 | gdb_test "thread apply 2 info record" \ | |
184 | ".*Replay in progress\. At instruction 5\." | |
185 | ||
186 | gdb_cont_to_no_history 1 "reverse-continue" 1 | |
187 | gdb_test "thread apply 1 info record" \ | |
188 | ".*Replay in progress\. At instruction 1\." | |
189 | gdb_test "thread apply 2 info record" \ | |
190 | ".*Replay in progress\. At instruction 5\." | |
191 | } | |
192 | ||
193 | with_test_prefix "thread 2" { | |
194 | gdb_cont_to_no_history 2 "continue" 1 | |
195 | gdb_test "thread apply 1 info record" \ | |
196 | ".*Replay in progress\. At instruction 1\." | |
197 | gdb_test "thread apply 2 info record" \ | |
198 | ".*Recorded \[0-9\]+ instructions \[^\\\r\\\n\]*" | |
199 | ||
200 | gdb_cont_to_no_history 2 "reverse-continue" 1 | |
201 | gdb_test "thread apply 1 info record" \ | |
202 | ".*Replay in progress\. At instruction 1\." | |
203 | gdb_test "thread apply 2 info record" \ | |
204 | ".*Replay in progress\. At instruction 1\." | |
205 | } | |
206 | } | |
207 | ||
208 | # a thread may only resume if no thread is still replaying | |
209 | with_test_prefix "no progress" { | |
210 | with_test_prefix "thread 1" { | |
211 | gdb_test "thread apply 1 record goto end" ".*" | |
212 | gdb_test "thread apply 2 record goto begin" ".*" | |
213 | ||
214 | gdb_cont_to_no_history 1 "continue" 1 | |
215 | gdb_cont_to_no_history 1 "step" 1 | |
216 | gdb_test "thread apply 1 info record" \ | |
217 | ".*Recorded \[0-9\]+ instructions \[^\\\r\\\n\]*" | |
218 | gdb_test "thread apply 2 info record" \ | |
219 | ".*Replay in progress\. At instruction 1\." | |
220 | } | |
221 | ||
222 | with_test_prefix "thread 2" { | |
223 | gdb_test "thread apply 1 record goto begin" ".*" | |
224 | gdb_test "thread apply 2 record goto end" ".*" | |
225 | ||
226 | gdb_cont_to_no_history 2 "continue" 1 | |
227 | gdb_cont_to_no_history 2 "step" 1 | |
228 | gdb_test "thread apply 1 info record" \ | |
229 | ".*Replay in progress\. At instruction 1\." | |
230 | gdb_test "thread apply 2 info record" \ | |
231 | ".*Recorded \[0-9\]+ instructions \[^\\\r\\\n\]*" | |
232 | } | |
233 | ||
234 | with_test_prefix "all" { | |
235 | gdb_test "thread apply all record goto begin" ".*" | |
236 | ||
237 | gdb_cont_to_no_history all "continue" 2 | |
238 | gdb_test "thread apply 1 info record" \ | |
239 | ".*Recorded \[0-9\]+ instructions \[^\\\r\\\n\]*" | |
240 | gdb_test "thread apply 2 info record" \ | |
241 | ".*Recorded \[0-9\]+ instructions \[^\\\r\\\n\]*" | |
242 | } | |
243 | } | |
244 | ||
245 | # now that both threads stopped replaying we may resume recording | |
246 | with_test_prefix "cont to end" { | |
247 | gdb_breakpoint $bp_3 | |
248 | gdb_cont_to_bp_line "$srcfile:$bp_3" all 1 | |
249 | } |