]>
Commit | Line | Data |
---|---|---|
213516ef | 1 | # Copyright 2009-2023 Free Software Foundation, Inc. |
35669430 DE |
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 amd64 displaced stepping. | |
19 | ||
35669430 | 20 | |
add265ae | 21 | if { ![istarget x86_64-*-* ] || ![is_lp64_target] } { |
35669430 DE |
22 | verbose "Skipping x86_64 displaced stepping tests." |
23 | return | |
24 | } | |
25 | ||
26 | set newline "\[\r\n\]*" | |
27 | ||
6e8b1ab2 | 28 | set opts {debug nopie} |
de5f37e1 | 29 | standard_testfile .S |
35669430 | 30 | |
6e8b1ab2 | 31 | if { [prepare_for_testing "failed to prepare" $testfile $srcfile $opts] } { |
35669430 DE |
32 | return -1 |
33 | } | |
34 | ||
35669430 DE |
35 | gdb_test "set displaced-stepping on" "" |
36 | gdb_test "show displaced-stepping" ".* displaced stepping .* is on.*" | |
37 | ||
75b6f386 | 38 | if {![runto_main]} { |
35669430 DE |
39 | return 0 |
40 | } | |
41 | ||
42 | ########################################## | |
43 | ||
44 | # Test call/ret. | |
45 | ||
46 | gdb_test "break test_call" \ | |
d1e36019 | 47 | "Breakpoint.*at.* file .*$srcfile, line.*" |
35669430 | 48 | gdb_test "break test_call_end" \ |
d1e36019 | 49 | "Breakpoint.*at.* file .*$srcfile, line.*" |
35669430 DE |
50 | |
51 | gdb_test "break test_ret" \ | |
d1e36019 | 52 | "Breakpoint.*at.* file .*$srcfile, line.*" |
35669430 | 53 | gdb_test "break test_ret_end" \ |
d1e36019 | 54 | "Breakpoint.*at.* file .*$srcfile, line.*" |
35669430 DE |
55 | |
56 | gdb_test "continue" \ | |
57 | "Continuing.*Breakpoint.*, test_call ().*" \ | |
58 | "continue to test_call" | |
59 | gdb_test "continue" \ | |
60 | "Continuing.*Breakpoint.*, test_call_end ().*" \ | |
61 | "continue to test_call_end" | |
62 | ||
63 | gdb_test "continue" \ | |
64 | "Continuing.*Breakpoint.*, test_ret ().*" \ | |
65 | "continue to test_ret" | |
66 | gdb_test "continue" \ | |
67 | "Continuing.*Breakpoint.*, test_ret_end ().*" \ | |
68 | "continue to test_ret_end" | |
69 | ||
70 | ########################################## | |
71 | ||
72 | # Test abs-jmp/rep-ret. | |
73 | ||
74 | gdb_test "break test_abs_jmp" \ | |
d1e36019 | 75 | "Breakpoint.*at.* file .*$srcfile, line.*" |
35669430 | 76 | gdb_test "break test_abs_jmp_end" \ |
d1e36019 | 77 | "Breakpoint.*at.* file .*$srcfile, line.*" |
35669430 DE |
78 | |
79 | gdb_test "break test_rep_ret" \ | |
d1e36019 | 80 | "Breakpoint.*at.* file .*$srcfile, line.*" |
35669430 | 81 | gdb_test "break test_rep_ret_end" \ |
d1e36019 | 82 | "Breakpoint.*at.* file .*$srcfile, line.*" |
35669430 DE |
83 | |
84 | gdb_test "continue" \ | |
85 | "Continuing.*Breakpoint.*, test_abs_jmp ().*" \ | |
86 | "continue to test_abs_jmp" | |
87 | gdb_test "continue" \ | |
88 | "Continuing.*Breakpoint.*, test_abs_jmp_end ().*" \ | |
89 | "continue to test_abs_jmp_end" | |
90 | ||
91 | gdb_test "continue" \ | |
92 | "Continuing.*Breakpoint.*, test_rep_ret ().*" \ | |
93 | "continue to test_rep_ret" | |
94 | gdb_test "continue" \ | |
95 | "Continuing.*Breakpoint.*, test_rep_ret_end ().*" \ | |
96 | "continue to test_rep_ret_end" | |
97 | ||
98 | ########################################## | |
99 | ||
100 | # Test syscall. | |
101 | ||
102 | gdb_test "break test_syscall" \ | |
d1e36019 | 103 | "Breakpoint.*at.* file .*$srcfile, line.*" |
35669430 | 104 | gdb_test "break test_syscall_end" \ |
d1e36019 | 105 | "Breakpoint.*at.* file .*$srcfile, line.*" |
35669430 DE |
106 | |
107 | gdb_test "continue" \ | |
108 | "Continuing.*Breakpoint.*, test_syscall ().*" \ | |
109 | "continue to test_syscall" | |
110 | gdb_test "continue" \ | |
111 | "Continuing.*Breakpoint.*, test_syscall_end ().*" \ | |
112 | "continue to test_syscall_end" | |
113 | ||
114 | ########################################## | |
115 | ||
1903f0e6 DE |
116 | # int3 (with prefixes) |
117 | # These don't occur in normal code, but gdb should still DTRT. | |
118 | ||
119 | gdb_test "break test_int3" \ | |
d1e36019 | 120 | "Breakpoint.*at.* file .*$srcfile, line.*" |
1903f0e6 | 121 | gdb_test "break test_int3_end" \ |
d1e36019 | 122 | "Breakpoint.*at.* file .*$srcfile, line.*" |
1903f0e6 DE |
123 | |
124 | gdb_test "continue" \ | |
125 | "Continuing.*Breakpoint.*, test_int3 ().*" \ | |
126 | "continue to test_int3" | |
127 | ||
128 | gdb_test "continue" \ | |
129 | "Continuing.*Breakpoint.*, test_int3_end ().*" \ | |
130 | "continue to test_int3_end" | |
131 | ||
132 | ########################################## | |
133 | ||
35669430 DE |
134 | # Test rip-relative. |
135 | # GDB picks a spare register to hold the rip-relative address. | |
136 | # Exercise all the possibilities (rax-rdi, sans rsp). | |
137 | ||
138 | # The order must much the order in srcfile. | |
139 | set rip_regs { "rax" "rbx" "rcx" "rdx" "rbp" "rsi" "rdi" } | |
140 | ||
141 | # Assign val to all specified regs. | |
142 | ||
143 | proc set_regs { regs val } { | |
144 | global gdb_prompt | |
145 | ||
146 | foreach reg ${regs} { | |
147 | # Use send_gdb/gdb_expect so that these aren't logged as pass/fail. | |
148 | send_gdb "set \$${reg} = ${val}\n" | |
149 | gdb_expect 10 { | |
150 | -re "$gdb_prompt $" { | |
151 | verbose "Setting ${reg} to ${val}." 2 | |
152 | } | |
153 | timeout { | |
154 | warning "Couldn't set ${reg} to ${val}." | |
155 | } | |
156 | } | |
157 | } | |
158 | } | |
159 | ||
160 | # Verify all REGS equal VAL, except REG which equals REG_VAL. | |
161 | ||
162 | proc verify_regs { test_name regs val except_reg except_reg_val } { | |
163 | global newline | |
164 | ||
165 | foreach reg ${regs} { | |
166 | set expected ${val} | |
167 | if { "${reg}" == "${except_reg}" } { | |
168 | set expected ${except_reg_val} | |
169 | } | |
170 | # The cast to (int) is because RBP is printed as a pointer. | |
171 | gdb_test "p (int) \$${reg}" " = ${expected}${newline}" "${test_name} ${reg} expected value" | |
172 | } | |
173 | } | |
174 | ||
175 | proc rip_test { reg } { | |
176 | global srcfile rip_regs | |
177 | ||
178 | set test_start_label "test_rip_${reg}" | |
179 | set test_end_label "test_rip_${reg}_end" | |
180 | ||
181 | gdb_test "break ${test_start_label}" \ | |
d1e36019 | 182 | "Breakpoint.*at.* file .*$srcfile, line.*" |
35669430 | 183 | gdb_test "break ${test_end_label}" \ |
d1e36019 | 184 | "Breakpoint.*at.* file .*$srcfile, line.*" |
35669430 DE |
185 | |
186 | gdb_test "continue" \ | |
187 | "Continuing.*Breakpoint.*, ${test_start_label} ().*" \ | |
188 | "continue to ${test_start_label}" | |
189 | ||
190 | set_regs ${rip_regs} 0 | |
191 | ||
192 | gdb_test "continue" \ | |
193 | "Continuing.*Breakpoint.*, ${test_end_label} ().*" \ | |
194 | "continue to ${test_end_label}" | |
195 | ||
196 | verify_regs "test rip w/${reg}" ${rip_regs} 0 ${reg} 42 | |
197 | } | |
198 | ||
199 | foreach reg ${rip_regs} { | |
200 | rip_test $reg | |
201 | } | |
202 | ||
203 | ########################################## | |
204 | ||
205 | # Done, run program to exit. | |
206 | ||
207 | gdb_continue_to_end "amd64-disp-step" |