xref: /netbsd-src/external/gpl3/gdb/dist/gdb/testsuite/gdb.arch/i386-disp-step.exp (revision ae87de8892f277bece3527c15b186ebcfa188227)
1# Copyright 2009-2023 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# This file is part of the gdb testsuite.
17
18# Test i386 displaced stepping.
19
20
21if {![is_x86_like_target]} {
22    verbose "Skipping x86 displaced stepping tests."
23    return
24}
25
26standard_testfile .S
27
28if { [prepare_for_testing "failed to prepare" $testfile $srcfile] } {
29    return -1
30}
31
32gdb_test "set displaced-stepping on" ""
33gdb_test "show displaced-stepping" ".* displaced stepping .* is on.*"
34
35if {![runto_main]} {
36    return 0
37}
38
39##########################################
40
41# Test call/ret.
42
43gdb_test "break test_call" \
44    "Breakpoint.*at.* file .*$srcfile, line.*" \
45    "break test_call"
46gdb_test "break test_call_end" \
47    "Breakpoint.*at.* file .*$srcfile, line.*" \
48    "break test_call_end"
49
50gdb_test "break test_ret" \
51    "Breakpoint.*at.* file .*$srcfile, line.*" \
52    "break test_ret"
53gdb_test "break test_ret_end" \
54    "Breakpoint.*at.* file .*$srcfile, line.*" \
55    "break test_ret_end"
56
57gdb_test "continue" \
58    "Continuing.*Breakpoint.*, test_call ().*" \
59    "continue to test_call"
60gdb_test "continue" \
61    "Continuing.*Breakpoint.*, test_call_end ().*" \
62    "continue to test_call_end"
63
64gdb_test "continue" \
65    "Continuing.*Breakpoint.*, test_ret ().*" \
66    "continue to test_ret"
67gdb_test "continue" \
68    "Continuing.*Breakpoint.*, test_ret_end ().*" \
69    "continue to test_ret_end"
70
71##########################################
72
73# Absolute jump with leading prefixes.
74# These don't occur in normal code, but gdb should still DTRT.
75
76gdb_test "break test_prefixed_abs_jump" \
77    "Breakpoint.*at.* file .*$srcfile, line.*" \
78    "break test_prefixed_abs_jump"
79gdb_test "break test_prefixed_abs_jump_end" \
80    "Breakpoint.*at.* file .*$srcfile, line.*" \
81    "break test_prefixed_abs_jump_end"
82
83gdb_test "continue" \
84    "Continuing.*Breakpoint.*, test_prefixed_abs_jump ().*" \
85    "continue to test_prefixed_abs_jump"
86gdb_test "continue" \
87    "Continuing.*Breakpoint.*, test_prefixed_abs_jump_end ().*" \
88    "continue to test_prefixed_abs_jump_end"
89
90##########################################
91
92# Test syscall.
93
94gdb_test "break test_syscall" \
95    "Breakpoint.*at.* file .*$srcfile, line.*" \
96    "break test_syscall"
97gdb_test "break test_syscall_end" \
98    "Breakpoint.*at.* file .*$srcfile, line.*" \
99    "break test_syscall_end"
100
101gdb_test "continue" \
102    "Continuing.*Breakpoint.*, test_syscall ().*" \
103    "continue to test_syscall"
104gdb_test "continue" \
105    "Continuing.*Breakpoint.*, test_syscall_end ().*" \
106    "continue to test_syscall_end"
107
108##########################################
109
110# Test prefixed syscall.
111# These don't occur in normal code, but gdb should still DTRT.
112
113gdb_test "break test_prefixed_syscall" \
114    "Breakpoint.*at.* file .*$srcfile, line.*" \
115    "break test_prefixed_syscall"
116gdb_test "break test_prefixed_syscall_end" \
117    "Breakpoint.*at.* file .*$srcfile, line.*" \
118    "break test_prefixed_syscall_end"
119
120gdb_test "continue" \
121    "Continuing.*Breakpoint.*, test_prefixed_syscall ().*" \
122    "continue to test_prefixed_syscall"
123gdb_test "continue" \
124    "Continuing.*Breakpoint.*, test_prefixed_syscall_end ().*" \
125    "continue to test_prefixed_syscall_end"
126
127##########################################
128
129# int3 (with prefixes)
130# These don't occur in normal code, but gdb should still DTRT.
131
132gdb_test "break test_int3" \
133    "Breakpoint.*at.* file .*$srcfile, line.*" \
134    "break test_int3"
135gdb_test "break test_int3_end" \
136    "Breakpoint.*at.* file .*$srcfile, line.*" \
137    "break test_int3_end"
138
139gdb_test "continue" \
140    "Continuing.*Breakpoint.*, test_int3 ().*" \
141    "continue to test_int3"
142
143gdb_test "continue" \
144    "Continuing.*Breakpoint.*, test_int3_end ().*" \
145    "continue to test_int3_end"
146
147##########################################
148
149# Done, run program to exit.
150
151gdb_continue_to_end "i386-disp-step"
152