aboutsummaryrefslogtreecommitdiff
path: root/gdb/testsuite/gdb.base/skip.exp
blob: ce55dd28d341d2a6d585c7061a85059fc4ed325e (plain)
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
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
#   Copyright 2011-2016 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/>.

# This file was written by Justin Lebar. (justin.lebar@gmail.com)
# And further hacked on by Doug Evans. (dje@google.com)

if { [prepare_for_testing skip.exp "skip" \
                          {skip.c skip1.c } \
                          {debug nowarnings}] } {
    return -1
}

set srcfile skip.c
set srcfile1 skip1.c

# Right after we start gdb, there's no default file or function to skip.

gdb_test "skip file" "No default file now." "skip file (no default file)"
gdb_test "skip function" "No default function now."
gdb_test "skip" "No default function now." "skip (no default function)"

# Test elided args.

gdb_test "skip -fi" "Missing value for -fi option."
gdb_test "skip -file" "Missing value for -file option."
gdb_test "skip -fu" "Missing value for -fu option."
gdb_test "skip -function" "Missing value for -function option."
gdb_test "skip -rfu" "Missing value for -rfu option."
gdb_test "skip -rfunction" "Missing value for -rfunction option."

# Test other invalid option combinations.

gdb_test "skip -x" "Invalid skip option: -x"
gdb_test "skip -rfu foo.* xyzzy" "Invalid argument: xyzzy"

if ![runto_main] {
    fail "Can't run to main"
    return
}

# Test |info skip| with an empty skiplist.

gdb_test "info skip" "Not skipping any files or functions\." "info skip empty"

# Create a skiplist entry for the current file and function.

gdb_test "skip file" "File .*$srcfile will be skipped when stepping\." "skip file ($srcfile)"
gdb_test "skip" "Function main will be skipped when stepping\." "skip (main)"

# Create a skiplist entry for a specified file and function.

gdb_test "skip file skip1.c" "File .*$srcfile1 will be skipped when stepping\."
gdb_test "skip function baz" "Function baz will be skipped when stepping\."

# Test bad skiplist entry modification commands

gdb_test "skip enable 999" "No skiplist entries found with number 999."
gdb_test "skip disable 999" "No skiplist entries found with number 999."
gdb_test "skip delete 999" "No skiplist entries found with number 999."
gdb_test "skip enable a" "Args must be numbers or '\\$' variables."
gdb_test "skip disable a" "Args must be numbers or '\\$' variables."
gdb_test "skip delete a" "Args must be numbers or '\\$' variables."

# Ask for info on a skiplist entry which doesn't exist.

gdb_test "info skip 999" "No skiplist entries found with number 999."

# Does |info skip| look right?

gdb_test "info skip" \
    "Num\\s+Enb\\s+Glob\\s+File\\s+RE\\s+Function\\s*
1\\s+y\\s+n\\s+.*$srcfile\\s+n\\s+<none>\\s*
2\\s+y\\s+n\\s+<none>\\s+n\\s+main\\s*
3\\s+y\\s+n\\s+$srcfile1\\s+n\\s+<none>\\s*
4\\s+y\\s+n\\s+<none>\\s+n\\s+baz\\s*"

# Right now, we have an outstanding skiplist entry on both source
# files, so when we step into the first line in main(), we should step
# right over it and go to the second line of main().

if ![runto_main] {
    fail "Can't run to main"
    return
}

gdb_test "step" ".*" "step in the main"
gdb_test "bt" "\\s*\\#0\\s+main.*" "step after all ignored"

# Now remove skip.c from the skiplist.  Our first step should take us
# into foo(), and our second step should take us to the next line in main().

with_test_prefix "step after deleting 1" {
    gdb_test "skip delete 1"
    # Check that entry 1 is missing from |info skip|
    gdb_test "info skip" \
	"Num\\s+Enb\\s+Glob\\s+File\\s+RE\\s+Function\\s*
2\\s+y\\s+n\\s+<none>\\s+n\\s+main\\s*
3\\s+y\\s+n\\s+$srcfile1\\s+n\\s+<none>\\s*
4\\s+y\\s+n\\s+<none>\\s+n\\s+baz\\s*" \
	"info skip (delete 1)"

    if ![runto_main] {
	fail "Can't run to main"
	return
    }

    gdb_test "step" "foo \\(\\) at.*" "step 1"
    gdb_test "step" ".*" "step 2" ; # Return from foo()
    gdb_test "step" "main \\(\\) at.*" "step 3"
}

# Now disable the skiplist entry for  skip1.c.  We should now
# step into foo(), then into bar(), but not into baz().

with_test_prefix "step after disabling 3" {
    gdb_test "skip disable 3"
    # Is entry 3 disabled in |info skip|?
    gdb_test "info skip 3" \
	"3\\s+n\\s+n\\s+$srcfile1\\s+n\\s+<none>\\s*" \
	"info skip shows entry as disabled"

    if ![runto_main] {
	fail "Can't run to main"
	return
    }

    gdb_test "step" "bar \\(\\) at.*" "step 1"
    gdb_test "step" ".*" "step 2"; # Return from foo()
    gdb_test "step" "foo \\(\\) at.*" "step 3"
    gdb_test "step" ".*" "step 4"; # Return from bar()
    gdb_test "step" "main \\(\\) at.*" "step 5"
}

# Enable skiplist entry 3 and make sure we step over it like before.

with_test_prefix "step after enable 3" {
    gdb_test "skip enable 3"
    # Is entry 3 enabled in |info skip|?
    gdb_test "info skip 3" \
	"3\\s+y\\s+n\\s+$srcfile1\\s+n\\s+<none>\\s*" \
	"info skip shows entry as enabled"

    if ![runto_main] {
	fail "Can't run to main"
	return
    }

    gdb_test "step" "foo \\(\\) at.*" "step 1"
    gdb_test "step" ".*" "step 2"; # Return from foo()
    gdb_test "step" "main \\(\\) at.*" "step 3"
}

# Admin tests (disable,enable,delete).

with_test_prefix "admin" {
    gdb_test "skip disable"
    gdb_test "info skip" \
	"Num\\s+Enb\\s+Glob\\s+File\\s+RE\\s+Function\\s*
2\\s+n\\s+n\\s+<none>\\s+n\\s+main\\s*
3\\s+n\\s+n\\s+$srcfile1\\s+n\\s+<none>\\s*
4\\s+n\\s+n\\s+<none>\\s+n\\s+baz\\s*" \
	"info skip after disabling all"

    gdb_test "skip enable"
    gdb_test "info skip" \
	"Num\\s+Enb\\s+Glob\\s+File\\s+RE\\s+Function\\s*
2\\s+y\\s+n\\s+<none>\\s+n\\s+main\\s*
3\\s+y\\s+n\\s+$srcfile1\\s+n\\s+<none>\\s*
4\\s+y\\s+n\\s+<none>\\s+n\\s+baz\\s*" \
	"info skip after enabling all"

    gdb_test "skip disable 4 2-3"
    gdb_test "info skip" \
	"Num\\s+Enb\\s+Glob\\s+File\\s+RE\\s+Function\\s*
2\\s+n\\s+n\\s+<none>\\s+n\\s+main\\s*
3\\s+n\\s+n\\s+$srcfile1\\s+n\\s+<none>\\s*
4\\s+n\\s+n\\s+<none>\\s+n\\s+baz\\s*" \
	"info skip after disabling 4 2-3"

    gdb_test "skip enable 2-3"
    gdb_test "info skip" \
	"Num\\s+Enb\\s+Glob\\s+File\\s+RE\\s+Function\\s*
2\\s+y\\s+n\\s+<none>\\s+n\\s+main\\s*
3\\s+y\\s+n\\s+$srcfile1\\s+n\\s+<none>\\s*
4\\s+n\\s+n\\s+<none>\\s+n\\s+baz\\s*" \
	"info skip after enabling 2-3"

    gdb_test "info skip 2-3" \
	"Num\\s+Enb\\s+Glob\\s+File\\s+RE\\s+Function\\s*
2\\s+y\\s+n\\s+<none>\\s+n\\s+main\\s*
3\\s+y\\s+n\\s+$srcfile1\\s+n\\s+<none>\\s*" \
	"info skip 2-3"

    gdb_test "skip delete 2 3"
    gdb_test "info skip" \
	"Num\\s+Enb\\s+Glob\\s+File\\s+RE\\s+Function\\s*
4\\s+n\\s+n\\s+<none>\\s+n\\s+baz\\s*" \
	"info skip after deleting 2 3"

    gdb_test "skip delete"
    gdb_test "info skip" "Not skipping any files or functions\." \
	"info skip after deleting all"
}

# Now test skip -fi, etc.

# Create a skiplist entry for a specified file and function.
gdb_test "skip -fi skip1.c" "File .*$srcfile1 will be skipped when stepping\."
gdb_test "skip -gfi sk*1.c" "File\\(s\\) sk\\*1.c will be skipped when stepping\."
gdb_test "skip -fu baz" "Function baz will be skipped when stepping\."
gdb_test "skip -rfu ^b.z$" "Function\\(s\\) \\^b\\.z\\$ will be skipped when stepping."

with_test_prefix "step using -fi" {
    if ![runto_main] {
	fail "Can't run to main"
	return
    }

    gdb_test_no_output "skip disable"
    gdb_test_no_output "skip enable 5"
    gdb_test "step" "foo \\(\\) at.*" "step 1"
    gdb_test "step" ".*" "step 2"; # Return from foo()
    gdb_test "step" "main \\(\\) at.*" "step 3"
}

with_test_prefix "step using -gfi" {
    if ![runto_main] {
	fail "Can't run to main"
	return
    }

    gdb_test_no_output "skip disable"
    gdb_test_no_output "skip enable 6"
    gdb_test "step" "foo \\(\\) at.*" "step 1"
    gdb_test "step" ".*" "step 2"; # Return from foo()
    gdb_test "step" "main \\(\\) at.*" "step 3"
}

with_test_prefix "step using -fu for baz" {
    if ![runto_main] {
	fail "Can't run to main"
	return
    }

    gdb_test_no_output "skip disable"
    gdb_test_no_output "skip enable 7"
    gdb_test "step" "bar \\(\\) at.*" "step 1"
    gdb_test "step" ".*" "step 2"; # Return from bar()
    gdb_test "step" "foo \\(\\) at.*" "step 3"
    gdb_test "step" ".*" "step 4"; # Return from foo()
    gdb_test "step" "main \\(\\) at.*" "step 5"
}

with_test_prefix "step using -rfu for baz" {
    if ![runto_main] {
	fail "Can't run to main"
	return
    }

    gdb_test_no_output "skip disable"
    gdb_test_no_output "skip enable 8"
    gdb_test "step" "bar \\(\\) at.*" "step 1"
    gdb_test "step" ".*" "step 2"; # Return from bar()
    gdb_test "step" "foo \\(\\) at.*" "step 3"
    gdb_test "step" ".*" "step 4"; # Return from foo()
    gdb_test "step" "main \\(\\) at.*" "step 5"
}

# Test -fi + -fu.

with_test_prefix "step using -fi + -fu" {
    gdb_test_no_output "skip delete"

    if ![runto test_skip_file_and_function no-message] {
	fail "Can't run to test_skip_file_and_function"
	return
    }

    gdb_test "skip -fi skip1.c -fu test_skip" \
	"Function test_skip in file skip1.c will be skipped when stepping\."
    # Verify we can step into skip.c:test_skip but not skip1.c:test_skip.
    gdb_test "step" "test_skip \\(\\) at.*" "step 1"
    gdb_test "step" "test_skip_file_and_function \\(\\) at.*" "step 2"; # Return from test_skip()
    gdb_test "step" "skip1_test_skip_file_and_function \\(\\) at.*" "step 3"
    gdb_test "step" ".*" "step 4"; # Skip over test_skip()
    gdb_test "step" "test_skip_file_and_function \\(\\) at.*" "step 5"; # Return from skip1_test_skip_file_and_function()
}