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
|
# Copyright 2009-2016 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 is part of the gdb testsuite.
# Test i386 displaced stepping.
if { ![is_x86_like_target] } then {
verbose "Skipping x86 displaced stepping tests."
return
}
standard_testfile .S
set additional_flags "-Wa,-g"
if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable [list debug $additional_flags]] != "" } {
untested "failed to compile"
return -1
}
# Get things started.
gdb_exit
gdb_start
gdb_reinitialize_dir $srcdir/$subdir
gdb_load ${binfile}
gdb_test "set displaced-stepping on" ""
gdb_test "show displaced-stepping" ".* displaced stepping .* is on.*"
if ![runto_main] then {
fail "can't run to main"
return 0
}
##########################################
# Test call/ret.
gdb_test "break test_call" \
"Breakpoint.*at.* file .*$srcfile, line.*" \
"break test_call"
gdb_test "break test_call_end" \
"Breakpoint.*at.* file .*$srcfile, line.*" \
"break test_call_end"
gdb_test "break test_ret" \
"Breakpoint.*at.* file .*$srcfile, line.*" \
"break test_ret"
gdb_test "break test_ret_end" \
"Breakpoint.*at.* file .*$srcfile, line.*" \
"break test_ret_end"
gdb_test "continue" \
"Continuing.*Breakpoint.*, test_call ().*" \
"continue to test_call"
gdb_test "continue" \
"Continuing.*Breakpoint.*, test_call_end ().*" \
"continue to test_call_end"
gdb_test "continue" \
"Continuing.*Breakpoint.*, test_ret ().*" \
"continue to test_ret"
gdb_test "continue" \
"Continuing.*Breakpoint.*, test_ret_end ().*" \
"continue to test_ret_end"
##########################################
# Absolute jump with leading prefixes.
# These don't occur in normal code, but gdb should still DTRT.
gdb_test "break test_prefixed_abs_jump" \
"Breakpoint.*at.* file .*$srcfile, line.*" \
"break test_prefixed_abs_jump"
gdb_test "break test_prefixed_abs_jump_end" \
"Breakpoint.*at.* file .*$srcfile, line.*" \
"break test_prefixed_abs_jump_end"
gdb_test "continue" \
"Continuing.*Breakpoint.*, test_prefixed_abs_jump ().*" \
"continue to test_prefixed_abs_jump"
gdb_test "continue" \
"Continuing.*Breakpoint.*, test_prefixed_abs_jump_end ().*" \
"continue to test_prefixed_abs_jump_end"
##########################################
# Test syscall.
gdb_test "break test_syscall" \
"Breakpoint.*at.* file .*$srcfile, line.*" \
"break test_syscall"
gdb_test "break test_syscall_end" \
"Breakpoint.*at.* file .*$srcfile, line.*" \
"break test_syscall_end"
gdb_test "continue" \
"Continuing.*Breakpoint.*, test_syscall ().*" \
"continue to test_syscall"
gdb_test "continue" \
"Continuing.*Breakpoint.*, test_syscall_end ().*" \
"continue to test_syscall_end"
##########################################
# Test prefixed syscall.
# These don't occur in normal code, but gdb should still DTRT.
gdb_test "break test_prefixed_syscall" \
"Breakpoint.*at.* file .*$srcfile, line.*" \
"break test_prefixed_syscall"
gdb_test "break test_prefixed_syscall_end" \
"Breakpoint.*at.* file .*$srcfile, line.*" \
"break test_prefixed_syscall_end"
gdb_test "continue" \
"Continuing.*Breakpoint.*, test_prefixed_syscall ().*" \
"continue to test_prefixed_syscall"
gdb_test "continue" \
"Continuing.*Breakpoint.*, test_prefixed_syscall_end ().*" \
"continue to test_prefixed_syscall_end"
##########################################
# int3 (with prefixes)
# These don't occur in normal code, but gdb should still DTRT.
gdb_test "break test_int3" \
"Breakpoint.*at.* file .*$srcfile, line.*" \
"break test_int3"
gdb_test "break test_int3_end" \
"Breakpoint.*at.* file .*$srcfile, line.*" \
"break test_int3_end"
gdb_test "continue" \
"Continuing.*Breakpoint.*, test_int3 ().*" \
"continue to test_int3"
gdb_test "continue" \
"Continuing.*Breakpoint.*, test_int3_end ().*" \
"continue to test_int3_end"
##########################################
# Done, run program to exit.
gdb_continue_to_end "i386-disp-step"
|
