xref: /netbsd-src/external/gpl3/gdb.old/dist/gdb/testsuite/gdb.base/advance.exp (revision 867d70fc718005c0918b8b8b2f9d7f2d52d0a0db)
1# Copyright 2003-2019 Free Software Foundation, Inc.
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# advance.exp -- Expect script to test 'advance' in gdb
17
18standard_testfile
19
20if {[prepare_for_testing "failed to prepare" $testfile $srcfile debug]} {
21    return -1
22}
23
24if ![runto_main] then {
25    fail "can't run to main"
26    return 0
27}
28
29# Verify that "advance <location>" works.  (This is really just syntactic
30# sugar for "tbreak <location>; continue".)
31#
32gdb_test "advance [gdb_get_line_number "advance this location"]" \
33	"main .* at .*:.*b = 3.*advance this location.*" \
34	"advance line number"
35
36# Verify that a malformed "advance" is gracefully caught.
37#
38gdb_test "advance [gdb_get_line_number "advance malformed"] then stop" \
39    "malformed linespec error: unexpected string, \"then stop\"" \
40    "malformed advance"
41
42# Verify that "advance <funcname>" works.
43#
44gdb_test "advance func" \
45	"func.*at.*x = x \\+ 5." \
46	"advance func"
47
48# Verify that "advance <funcname>" when funcname is NOT called by the current
49# frame, stops at the end of the current frame.
50#
51# gdb can legitimately stop on either the current line or the next line,
52# depending on whether the machine instruction for 'call' on the current
53# line has more instructions after it or not.
54#
55gdb_test "advance func3" \
56	"(in main|).*(func \\(c\\)|marker1 \\(\\)).*stop here after leaving current frame..."\
57	"advance function not called by current frame"
58
59# break at main again
60#
61gdb_test "break [gdb_get_line_number "break here"]" \
62	".*Breakpoint.* at .*" \
63	"set breakpoint at call to func3"
64gdb_test "continue" \
65	".*Breakpoint ${decimal}, main.*func3.*break here.*" \
66	"continue to call to func3 in main"
67
68# Verify that "advance <funcname>" when funcname is called as parameter to
69# another function works.
70#
71gdb_test "advance foo" \
72	"foo \\(a=5\\).*int b = a \\+ 10;"\
73	"advance function called as param"
74
75# Verify that we get an error if we use 'advance' w/o argument
76#
77gdb_test "advance" \
78	"Argument required \\(a location\\)."\
79	"advance with no argument"
80
81