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2f1d9bdd MM |
1 | # This testcase is part of GDB, the GNU debugger. |
2 | # | |
61baf725 | 3 | # Copyright 2013-2017 Free Software Foundation, Inc. |
2f1d9bdd MM |
4 | # |
5 | # Contributed by Intel Corp. <christian.himpel@intel.com> | |
6 | # | |
7 | # This program is free software; you can redistribute it and/or modify | |
8 | # it under the terms of the GNU General Public License as published by | |
9 | # the Free Software Foundation; either version 3 of the License, or | |
10 | # (at your option) any later version. | |
11 | # | |
12 | # This program is distributed in the hope that it will be useful, | |
13 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | # GNU General Public License for more details. | |
16 | # | |
17 | # You should have received a copy of the GNU General Public License | |
18 | # along with this program. If not, see <http://www.gnu.org/licenses/>. | |
19 | ||
b5ac99b0 MM |
20 | if { [skip_btrace_tests] } { |
21 | unsupported "target does not support record-btrace" | |
22 | return -1 | |
23 | } | |
2f1d9bdd | 24 | |
2f1d9bdd | 25 | standard_testfile .c .S |
5b362f04 | 26 | if [prepare_for_testing "failed to prepare" $testfile "$srcfile $srcfile2" {debug}] { |
2f1d9bdd MM |
27 | return -1 |
28 | } | |
b5ac99b0 | 29 | |
2f1d9bdd | 30 | if ![runto_main] { |
b5ac99b0 | 31 | untested "failed to run to main" |
2f1d9bdd MM |
32 | return -1 |
33 | } | |
34 | ||
35 | # set bp before loop and continue | |
36 | set bp_location [gdb_get_line_number "bp.1" $srcfile2] | |
37 | gdb_breakpoint $srcfile2:$bp_location | |
38 | gdb_continue_to_breakpoint "cont to $bp_location" ".*$srcfile2:$bp_location.*" | |
39 | ||
40 | # start btrace | |
41 | gdb_test_no_output "record btrace" | |
42 | ||
43 | # set bp after loop and continue | |
44 | set bp_location [gdb_get_line_number "bp.2" $srcfile2] | |
45 | gdb_breakpoint $srcfile2:$bp_location | |
46 | gdb_continue_to_breakpoint "cont to $bp_location" ".*$srcfile2:$bp_location.*" | |
47 | ||
48 | # The following test cases test if "browsing" through the | |
49 | # instruction history works as expected. So for the tests | |
50 | # it is necessary to count the number of lines that are | |
51 | # shown by the "record instruction-history" command. | |
52 | ||
23a7fe75 | 53 | set traced {} |
2f1d9bdd MM |
54 | set testname "determine number of recorded instructions" |
55 | gdb_test_multiple "info record" $testname { | |
31fd9caa | 56 | -re "Active record target: record-btrace\r\n.*\r\nRecorded \(\[0-9\]*\) instructions in \(\[0-9\]*\) functions \\\(0 gaps\\\) for thread 1 .*\\.\r\n$gdb_prompt $" { |
2f1d9bdd | 57 | set traced $expect_out(1,string) |
2f1d9bdd MM |
58 | pass $testname |
59 | } | |
60 | } | |
61 | ||
6e07b1d2 MM |
62 | # we have exactly 11 instructions here |
63 | set message "exactly 11 instructions" | |
64 | if { $traced != 11 } { | |
2f1d9bdd MM |
65 | fail $message |
66 | } else { | |
67 | pass $message | |
68 | } | |
69 | ||
70 | # test that we see the expected instructions | |
3c724c8c | 71 | gdb_test "record instruction-history 3,7" [multi_line \ |
6e07b1d2 MM |
72 | "3\t 0x\[0-9a-f\]+ <loop\\+\[0-9\]+>:\tje 0x\[0-9a-f\]+ <loop\\+\[0-9\]+>" \ |
73 | "4\t 0x\[0-9a-f\]+ <loop\\+\[0-9\]+>:\tdec %eax" \ | |
74 | "5\t 0x\[0-9a-f\]+ <loop\\+\[0-9\]+>:\tjmp 0x\[0-9a-f\]+ <loop\\+\[0-9\]+>" \ | |
75 | "6\t 0x\[0-9a-f\]+ <loop\\+\[0-9\]+>:\tcmp \\\$0x0,%eax" \ | |
76 | "7\t 0x\[0-9a-f\]+ <loop\\+\[0-9\]+>:\tje 0x\[0-9a-f\]+ <loop\\+\[0-9\]+>\r" \ | |
3c724c8c | 77 | ] |
5de9129b | 78 | |
3c724c8c | 79 | gdb_test "record instruction-history /f 3,+5" [multi_line \ |
6e07b1d2 MM |
80 | "3\t 0x\[0-9a-f\]+ <\\+\[0-9\]+>:\tje 0x\[0-9a-f\]+ <loop\\+\[0-9\]+>" \ |
81 | "4\t 0x\[0-9a-f\]+ <\\+\[0-9\]+>:\tdec %eax" \ | |
82 | "5\t 0x\[0-9a-f\]+ <\\+\[0-9\]+>:\tjmp 0x\[0-9a-f\]+ <loop\\+\[0-9\]+>" \ | |
83 | "6\t 0x\[0-9a-f\]+ <\\+\[0-9\]+>:\tcmp \\\$0x0,%eax" \ | |
84 | "7\t 0x\[0-9a-f\]+ <\\+\[0-9\]+>:\tje 0x\[0-9a-f\]+ <loop\\+\[0-9\]+>\r" \ | |
3c724c8c | 85 | ] |
5de9129b | 86 | |
3c724c8c | 87 | gdb_test "record instruction-history /p 7,-5" [multi_line \ |
da8c46d2 MM |
88 | "3\t 0x\[0-9a-f\]+ <loop\\+\[0-9\]+>:\tje 0x\[0-9a-f\]+ <loop\\+\[0-9\]+>" \ |
89 | "4\t 0x\[0-9a-f\]+ <loop\\+\[0-9\]+>:\tdec %eax" \ | |
90 | "5\t 0x\[0-9a-f\]+ <loop\\+\[0-9\]+>:\tjmp 0x\[0-9a-f\]+ <loop\\+\[0-9\]+>" \ | |
91 | "6\t 0x\[0-9a-f\]+ <loop\\+\[0-9\]+>:\tcmp \\\$0x0,%eax" \ | |
92 | "7\t 0x\[0-9a-f\]+ <loop\\+\[0-9\]+>:\tje 0x\[0-9a-f\]+ <loop\\+\[0-9\]+>\r" \ | |
3c724c8c | 93 | ] |
5de9129b | 94 | |
3c724c8c | 95 | gdb_test "record instruction-history /pf 3,7" [multi_line \ |
da8c46d2 MM |
96 | "3\t 0x\[0-9a-f\]+ <\\+\[0-9\]+>:\tje 0x\[0-9a-f\]+ <loop\\+\[0-9\]+>" \ |
97 | "4\t 0x\[0-9a-f\]+ <\\+\[0-9\]+>:\tdec %eax" \ | |
98 | "5\t 0x\[0-9a-f\]+ <\\+\[0-9\]+>:\tjmp 0x\[0-9a-f\]+ <loop\\+\[0-9\]+>" \ | |
99 | "6\t 0x\[0-9a-f\]+ <\\+\[0-9\]+>:\tcmp \\\$0x0,%eax" \ | |
100 | "7\t 0x\[0-9a-f\]+ <\\+\[0-9\]+>:\tje 0x\[0-9a-f\]+ <loop\\+\[0-9\]+>\r" \ | |
3c724c8c | 101 | ] |
2f1d9bdd | 102 | |
6e07b1d2 | 103 | gdb_test "record instruction-history 3,3" "3\t 0x\[0-9a-f\]+ <loop\\+\[0-9\]+>:\tje 0x\[0-9a-f\]+ <loop\\+\[0-9\]+>\r" |
0688d04e | 104 | |
2f1d9bdd MM |
105 | # the following tests are checking the iterators |
106 | # to avoid lots of regexps, we just check the number of lines that | |
107 | # were printed during command execution. | |
108 | ||
109 | # test_lines_output returns the output lines from command as a list. | |
110 | proc test_lines_output { command message } { | |
111 | global gdb_prompt | |
112 | set message "test_lines_output: $message" | |
113 | gdb_test_multiple $command $message { | |
114 | -re "\n\(.*\)\r\n$gdb_prompt $" { | |
115 | return [split [string trim $expect_out(1,string)] "\n"] | |
116 | } | |
117 | } | |
118 | } | |
119 | ||
120 | # test_lines_length returns the number of lines from command. | |
121 | proc test_lines_length { command message } { | |
122 | return [llength [test_lines_output $command $message]] | |
123 | } | |
124 | ||
125 | # show instruction history with unlimited size, we expect to see | |
126 | # all $traced instructions | |
127 | gdb_test_no_output "set record instruction-history-size 0" | |
128 | set message "record instruction-history - unlimited" | |
5de9129b | 129 | set lines [test_lines_length "record instruction-history 1" $message] |
2f1d9bdd MM |
130 | if { $traced != $lines } { |
131 | fail $message | |
132 | } else { | |
133 | pass $message | |
134 | } | |
135 | ||
136 | gdb_test_no_output "set record instruction-history-size $traced" | |
137 | set message "record instruction-history - traced" | |
5de9129b | 138 | set lines [test_lines_length "record instruction-history 1" $message] |
2f1d9bdd MM |
139 | if { $traced != $lines } { |
140 | fail $message | |
141 | } else { | |
142 | pass $message | |
143 | } | |
144 | ||
145 | # test that the iterator works | |
6e07b1d2 | 146 | set history_size 4 |
2f1d9bdd MM |
147 | gdb_test_no_output "set record instruction-history-size $history_size" |
148 | set message "browse history forward start" | |
5de9129b | 149 | set lines [test_lines_length "record instruction-history 1" $message] |
2f1d9bdd MM |
150 | if { $lines != $history_size } { |
151 | fail $message | |
152 | } else { | |
153 | pass $message | |
154 | } | |
155 | ||
156 | set message "browse history forward middle" | |
157 | set lines [test_lines_length "record instruction-history +" $message] | |
158 | if { $lines != $history_size } { | |
159 | fail $message | |
160 | } else { | |
161 | pass $message | |
162 | } | |
163 | ||
164 | set message "browse history forward last" | |
165 | set lines [test_lines_length "record instruction-history +" $message] | |
6e07b1d2 | 166 | if { $lines != 3 } { |
2f1d9bdd MM |
167 | fail $message |
168 | } else { | |
169 | pass $message | |
170 | } | |
171 | ||
172 | gdb_test "record instruction-history" "At the end of the branch trace record\\." "browse history forward beyond 1" | |
173 | ||
174 | # make sure we cannot move further | |
175 | gdb_test "record instruction-history" "At the end of the branch trace record\\." "browse history forward beyond 2" | |
176 | ||
177 | set message "browse history backward last" | |
178 | set lines [test_lines_length "record instruction-history -" $message] | |
179 | if { $lines != $history_size } { | |
180 | fail $message | |
181 | } else { | |
182 | pass $message | |
183 | } | |
184 | ||
185 | set message "browse history backward middle" | |
186 | set lines [test_lines_length "record instruction-history -" $message] | |
187 | if { $lines != $history_size } { | |
188 | fail $message | |
189 | } else { | |
190 | pass $message | |
191 | } | |
192 | ||
193 | set message "browse history backward first" | |
194 | set lines [test_lines_length "record instruction-history -" $message] | |
6e07b1d2 | 195 | if { $lines != 3 } { |
2f1d9bdd MM |
196 | fail $message |
197 | } else { | |
198 | pass $message | |
199 | } | |
200 | ||
201 | gdb_test "record instruction-history -" "At the start of the branch trace record\\." "browse history backward beyond 1" | |
202 | ||
203 | # make sure we cannot move further back | |
204 | gdb_test "record instruction-history -" "At the start of the branch trace record\\." "browse history backward beyond 2" |