File: py-record-btrace.exp

package info (click to toggle)
gdb-doc 13.1-1
  • links: PTS, VCS
  • area: non-free
  • in suites: bookworm
  • size: 234,284 kB
  • sloc: ansic: 1,988,072; asm: 373,465; exp: 187,579; cpp: 75,697; makefile: 69,432; sh: 24,829; yacc: 11,654; python: 9,602; ada: 6,680; xml: 6,073; perl: 5,077; pascal: 3,357; f90: 2,555; tcl: 1,902; lisp: 1,578; cs: 879; lex: 759; sed: 228; awk: 154; objc: 137; fortran: 57
file content (146 lines) | stat: -rw-r--r-- 5,266 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
# This testcase is part of GDB, the GNU debugger.
#
# Copyright 2016-2023 Free Software Foundation, Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

# Skip this test if btrace is disabled.

if { [skip_btrace_tests] } {
    untested "skipping btrace tests"
    return -1
}

load_lib gdb-python.exp

standard_testfile

if [prepare_for_testing "failed to prepare" $testfile $srcfile] { return -1 }

# Skip this test if python is disabled.

if { [skip_python_tests] } {
    untested "skipping python tests"
    return -1
}

if {![runto_main]} {
    return -1
}

with_test_prefix "no or double record" {
    gdb_test "python print(gdb.current_recording())" "None"

    gdb_test_no_output "python gdb.start_recording(\"btrace\")"
    gdb_test "python gdb.start_recording(\"btrace\")" \
	".*gdb\.error: The process is already being recorded\..*" \
	"already recording"

    gdb_test_no_output "python gdb.stop_recording()" "first"
    gdb_test "python gdb.stop_recording()" \
	".*gdb\.error: No recording is currently active\..*" "second"
}

with_test_prefix "preopened record btrace" {
    gdb_test_no_output "record btrace"
    gdb_test "python print(gdb.current_recording().method)" "btrace"
    gdb_test "python print(gdb.current_recording().format)" "pt|bts"
    gdb_test_no_output "python gdb.stop_recording()"
}

with_test_prefix "prepare record" {
    gdb_test_no_output "python r = gdb.start_recording(\"btrace\")"
    gdb_test "python print(r.method)" "btrace"
    gdb_test "python print(r.format)" "pt|bts"
    gdb_test "stepi 100" ".*"
    gdb_test_no_output "python insn = r.instruction_history"
    gdb_test_no_output "python call = r.function_call_history"
    gdb_test_no_output "python i = insn\[0\]"
    gdb_test_no_output "python c = call\[0\]"
}

with_test_prefix "replay begin" {
    gdb_test "python print(r.replay_position)" "None"
    gdb_test "python r.goto(r.begin)"
    gdb_test "python print(r.replay_position.number)" "1"
}

with_test_prefix "replay end" {
    gdb_test "python r.goto(r.end)"
    gdb_test "python print(r.replay_position)" "None"
}

with_test_prefix "instruction " {
    gdb_test "python print(i.number)" "1"
    gdb_test "python print(i.sal)" "symbol and line for .*"
    gdb_test "python print(i.pc)" "$decimal"
    gdb_test "python print(repr(i.data))" "<memory at $hex>"
    gdb_test "python print(i.decoded)" ".*"
    gdb_test "python print(i.size)" "$decimal"
    gdb_test "python print(i.is_speculative)" "False"
}

with_test_prefix "function call" {
    gdb_test "python print(c.number)" "1"
    gdb_test "python print(c.symbol)" "main"
    gdb_test "python print(c.level)" "$decimal"
    gdb_test "python print(len(c.instructions))" "$decimal"
    gdb_test "python print(c.up)" "None"
    gdb_test "python print(c.prev)" "None"
    gdb_test "python print(c == c.next.prev)" "True"
}

with_test_prefix "list" {
    gdb_test "python print(len(insn))" "100"
    gdb_test "python print(len(insn\[23:65\]))" "42"
    gdb_test "python print(insn\[17:\]\[2\].number)" "20"
    gdb_test "python print(i in insn)" "True"
    gdb_test "python print(i in call)" "False"
    gdb_test "python print(c in insn)" "False"
    gdb_test "python print(c in call)" "True"
    gdb_test "python print(insn.index(i))" "0"
    gdb_test "python print(insn.count(i))" "1"
}

with_test_prefix "sublist" {
    gdb_test_no_output "python s1 = insn\[3:72:5\]"
    gdb_test_no_output "python s2 = s1\[2:13:3\]"
    gdb_test_no_output "python s3 = s1\[13:2:-3\]"
    gdb_test_no_output "python s4 = insn\[::-1\]"

    gdb_test "python print(\[i.number for i in s1\])" "\\\[4, 9, 14, 19, 24, 29, 34, 39, 44, 49, 54, 59, 64, 69\\\]"
    gdb_test "python print(\[i.number for i in s2\])" "\\\[14, 29, 44, 59\\\]"
    gdb_test "python print(\[i.number for i in s3\])" "\\\[69, 54, 39, 24\\\]"

    gdb_test "python print(len(s1))" "14"
    gdb_test "python print(len(s2))" "4"
    gdb_test "python print(len(s3))" "4"
    gdb_test "python print(len(s4))" "100"

    gdb_test "python print(s4\[5\].number)" "95"
    gdb_test "python print(s4\[-5\].number)" "5"
    gdb_test "python print(s4\[100\].number)" ".*IndexError.*"
    gdb_test "python print(s4\[-101\].number)" ".*IndexError.*"
}

with_test_prefix "level" {
    gdb_test_no_output "python gdb.stop_recording()"
    gdb_test "break inner" "Breakpoint.*"
    gdb_test "continue" "Continuing\..*"
    gdb_test_no_output "record btrace"
    gdb_test "step" "outer ().*" "step one"
    gdb_test "step" "main ().*" "step two"
    gdb_test "python print(gdb.current_recording().function_call_history\[0\].level)" "1"
    gdb_test "python print(gdb.current_recording().function_call_history\[1\].level)" "0"
}