Commit | Line | Data |
---|---|---|
4c38e0a4 | 1 | # Copyright 2009, 2010 Free Software Foundation, Inc. |
2efab443 MS |
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 | # | |
19 | # This test tests some i386 general instructions for reverse execution. | |
20 | # | |
21 | ||
22 | if ![target_info exists gdb,can_reverse] { | |
23 | return | |
24 | } | |
25 | ||
26 | if $tracelevel { | |
27 | strace $tracelevel | |
28 | } | |
29 | ||
2efab443 MS |
30 | |
31 | if ![istarget "i?86-*linux*"] then { | |
32 | verbose "Skipping i386 reverse tests." | |
33 | return | |
34 | } | |
35 | ||
36 | set testfile "i386-reverse" | |
37 | set srcfile ${testfile}.c | |
38 | set binfile ${objdir}/${subdir}/${testfile} | |
39 | ||
40 | # some targets have leading underscores on assembly symbols. | |
41 | # TODO: detect this automatically | |
42 | set additional_flags "" | |
43 | if [istarget "i?86-*-cygwin*"] then { | |
44 | set additional_flags "additional_flags=-DSYMBOL_PREFIX=\"_\"" | |
45 | } | |
46 | ||
47 | if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable [list debug $additional_flags]] != "" } { | |
48 | untested i386-reverse | |
49 | return -1 | |
50 | } | |
51 | ||
52 | set end_of_main [gdb_get_line_number " end of main "] | |
53 | set end_of_inc_dec_tests [gdb_get_line_number " end inc_dec_tests "] | |
54 | ||
55 | # Get things started. | |
56 | ||
57 | gdb_exit | |
58 | gdb_start | |
59 | gdb_reinitialize_dir $srcdir/$subdir | |
60 | gdb_load ${binfile} | |
61 | runto main | |
62 | ||
63 | if [target_info exists gdb,use_precord] { | |
64 | # Activate process record/replay | |
bcd2dc50 | 65 | gdb_test_no_output "record" "Turn on process record" |
2efab443 MS |
66 | } |
67 | ||
68 | global hex | |
69 | global decimal | |
70 | ||
71 | gdb_test "step" "inc .eax.*" "step to inc eax 1st time" | |
72 | send_gdb "info reg eax\n" | |
73 | gdb_expect { | |
74 | -re "eax *($hex)\t.*$gdb_prompt " { | |
75 | set preinc_eax $expect_out(1,string) | |
76 | } | |
77 | } | |
78 | ||
79 | gdb_test "step" "inc .ecx.*" "step to inc ecx 1st time" | |
80 | send_gdb "info reg ecx\n" | |
81 | gdb_expect { | |
82 | -re "ecx *($hex)\t.*$gdb_prompt " { | |
83 | set preinc_ecx $expect_out(1,string) | |
84 | } | |
85 | } | |
86 | ||
87 | gdb_test "step" "inc .edx.*" "step to inc edx 1st time" | |
88 | send_gdb "info reg edx\n" | |
89 | gdb_expect { | |
90 | -re "edx *($hex)\t.*$gdb_prompt " { | |
91 | set preinc_edx $expect_out(1,string) | |
92 | } | |
93 | } | |
94 | ||
95 | gdb_test "step" "inc .ebx.*" "step to inc ebx 1st time" | |
96 | send_gdb "info reg ebx\n" | |
97 | gdb_expect { | |
98 | -re "ebx *($hex)\t.*$gdb_prompt " { | |
99 | set preinc_ebx $expect_out(1,string) | |
100 | } | |
101 | } | |
102 | ||
103 | gdb_test "step" "inc .esp.*" "step to inc esp 1st time" | |
104 | send_gdb "info reg esp\n" | |
105 | gdb_expect { | |
106 | -re "esp *($hex)\t.*$gdb_prompt " { | |
107 | set preinc_esp $expect_out(1,string) | |
108 | } | |
109 | } | |
110 | ||
111 | gdb_test "step" "inc .ebp.*" "step to inc ebp 1st time" | |
112 | send_gdb "info reg ebp\n" | |
113 | gdb_expect { | |
114 | -re "ebp *($hex)\t.*$gdb_prompt " { | |
115 | set preinc_ebp $expect_out(1,string) | |
116 | } | |
117 | } | |
118 | ||
119 | gdb_test "step" "inc .esi.*" "step to inc esi 1st time" | |
120 | send_gdb "info reg esi\n" | |
121 | gdb_expect { | |
122 | -re "esi *($hex)\t.*$gdb_prompt " { | |
123 | set preinc_esi $expect_out(1,string) | |
124 | } | |
125 | } | |
126 | ||
127 | gdb_test "step" "inc .edi.*" "step to inc edi 1st time" | |
128 | send_gdb "info reg edi\n" | |
129 | gdb_expect { | |
130 | -re "edi *($hex)\t.*$gdb_prompt " { | |
131 | set preinc_edi $expect_out(1,string) | |
132 | } | |
133 | } | |
134 | ||
135 | gdb_test "step" "dec .eax.*" "step to dec eax 1st time" | |
136 | send_gdb "info reg eax\n" | |
137 | gdb_expect { | |
138 | -re "eax *($hex)\t.*$gdb_prompt " { | |
139 | set predec_eax $expect_out(1,string) | |
140 | } | |
141 | } | |
142 | ||
143 | gdb_test "step" "dec .ecx.*" "step to dec ecx 1st time" | |
144 | send_gdb "info reg ecx\n" | |
145 | gdb_expect { | |
146 | -re "ecx *($hex)\t.*$gdb_prompt " { | |
147 | set predec_ecx $expect_out(1,string) | |
148 | } | |
149 | } | |
150 | ||
151 | gdb_test "step" "dec .edx.*" "step to dec edx 1st time" | |
152 | send_gdb "info reg edx\n" | |
153 | gdb_expect { | |
154 | -re "edx *($hex)\t.*$gdb_prompt " { | |
155 | set predec_edx $expect_out(1,string) | |
156 | } | |
157 | } | |
158 | ||
159 | gdb_test "step" "dec .ebx.*" "step to dec ebx 1st time" | |
160 | send_gdb "info reg ebx\n" | |
161 | gdb_expect { | |
162 | -re "ebx *($hex)\t.*$gdb_prompt " { | |
163 | set predec_ebx $expect_out(1,string) | |
164 | } | |
165 | } | |
166 | ||
167 | gdb_test "step" "dec .esp.*" "step to dec esp 1st time" | |
168 | send_gdb "info reg esp\n" | |
169 | gdb_expect { | |
170 | -re "esp *($hex)\t.*$gdb_prompt " { | |
171 | set predec_esp $expect_out(1,string) | |
172 | } | |
173 | } | |
174 | ||
175 | gdb_test "step" "dec .ebp.*" "step to dec ebp 1st time" | |
176 | send_gdb "info reg ebp\n" | |
177 | gdb_expect { | |
178 | -re "ebp *($hex)\t.*$gdb_prompt " { | |
179 | set predec_ebp $expect_out(1,string) | |
180 | } | |
181 | } | |
182 | ||
183 | gdb_test "step" "dec .esi.*" "step to dec esi 1st time" | |
184 | send_gdb "info reg esi\n" | |
185 | gdb_expect { | |
186 | -re "esi *($hex)\t.*$gdb_prompt " { | |
187 | set predec_esi $expect_out(1,string) | |
188 | } | |
189 | } | |
190 | ||
191 | gdb_test "step" "dec .edi.*" "step to dec edi 1st time" | |
192 | send_gdb "info reg edi\n" | |
193 | gdb_expect { | |
194 | -re "edi *($hex)\t.*$gdb_prompt " { | |
195 | set predec_edi $expect_out(1,string) | |
196 | } | |
197 | } | |
198 | ||
199 | # gdb_test "step" "end inc_dec_tests .*" "step to end inc_dec_tests 1st time" | |
200 | ||
201 | gdb_test "break $end_of_main" \ | |
202 | "Breakpoint $decimal at .* line $end_of_main\." \ | |
203 | "set breakpoint at end of main" | |
204 | ||
205 | gdb_test "continue" \ | |
206 | " end of main .*" \ | |
207 | "continue to end of main" | |
208 | ||
209 | gdb_test "break $end_of_inc_dec_tests" \ | |
210 | "Breakpoint $decimal at .* line $end_of_inc_dec_tests\." \ | |
211 | "set breakpoint at end of inc_dec_tests" | |
212 | ||
213 | gdb_test "reverse-continue" \ | |
214 | " end inc_dec_tests .*" \ | |
215 | "reverse to inc_dec_tests" | |
216 | ||
217 | # | |
218 | # Now reverse step, and check register values. | |
219 | # | |
220 | ||
221 | gdb_test "info reg edi" "edi *$preinc_edi\t.*" "edi before reverse-dec" | |
222 | gdb_test "reverse-step" "dec .edi.*" "reverse-step to dec edi" | |
223 | gdb_test "info reg edi" "edi *$predec_edi\t.*" "edi after reverse-dec" | |
224 | ||
225 | gdb_test "info reg esi" "esi *$preinc_esi\t.*" "esi before reverse-dec" | |
226 | gdb_test "reverse-step" "dec .esi.*" "reverse-step to dec esi" | |
227 | gdb_test "info reg esi" "esi *$predec_esi\t.*" "esi after reverse-dec" | |
228 | ||
229 | gdb_test "info reg ebp" "ebp *$preinc_ebp\t.*" "ebp before reverse-dec" | |
230 | gdb_test "reverse-step" "dec .ebp.*" "reverse-step to dec ebp" | |
231 | gdb_test "info reg ebp" "ebp *$predec_ebp\t.*" "ebp after reverse-dec" | |
232 | ||
233 | gdb_test "info reg esp" "esp *$preinc_esp\t.*" "esp before reverse-dec" | |
234 | gdb_test "reverse-step" "dec .esp.*" "reverse-step to dec esp" | |
235 | gdb_test "info reg esp" "esp *$predec_esp\t.*" "esp after reverse-dec" | |
236 | ||
237 | gdb_test "info reg ebx" "ebx *$preinc_ebx\t.*" "ebx before reverse-dec" | |
238 | gdb_test "reverse-step" "dec .ebx.*" "reverse-step to dec ebx" | |
239 | gdb_test "info reg ebx" "ebx *$predec_ebx\t.*" "ebx after reverse-dec" | |
240 | ||
241 | gdb_test "info reg edx" "edx *$preinc_edx\t.*" "edx before reverse-dec" | |
242 | gdb_test "reverse-step" "dec .edx.*" "reverse-step to dec edx" | |
243 | gdb_test "info reg edx" "edx *$predec_edx\t.*" "edx after reverse-dec" | |
244 | ||
245 | gdb_test "info reg ecx" "ecx *$preinc_ecx\t.*" "ecx before reverse-dec" | |
246 | gdb_test "reverse-step" "dec .ecx.*" "reverse-step to dec ecx" | |
247 | gdb_test "info reg ecx" "ecx *$predec_ecx\t.*" "ecx after reverse-dec" | |
248 | ||
249 | gdb_test "info reg eax" "eax *$preinc_eax\t.*" "eax before reverse-dec" | |
250 | gdb_test "reverse-step" "dec .eax.*" "reverse-step to dec eax" | |
251 | gdb_test "info reg eax" "eax *$predec_eax\t.*" "eax after reverse-dec" | |
252 | ||
253 | gdb_test "info reg edi" "edi *$predec_edi\t.*" "edi before reverse-inc" | |
254 | gdb_test "reverse-step" "inc .edi.*" "reverse-step to inc edi" | |
255 | gdb_test "info reg edi" "edi *$preinc_edi\t.*" "edi after reverse-inc" | |
256 | ||
257 | gdb_test "info reg esi" "esi *$predec_esi\t.*" "esi before reverse-inc" | |
258 | gdb_test "reverse-step" "inc .esi.*" "reverse-step to inc esi" | |
259 | gdb_test "info reg esi" "esi *$preinc_esi\t.*" "esi after reverse-inc" | |
260 | ||
261 | gdb_test "info reg ebp" "ebp *$predec_ebp\t.*" "ebp before reverse-inc" | |
262 | gdb_test "reverse-step" "inc .ebp.*" "reverse-step to inc ebp" | |
263 | gdb_test "info reg ebp" "ebp *$preinc_ebp\t.*" "ebp after reverse-inc" | |
264 | ||
265 | gdb_test "info reg esp" "esp *$predec_esp\t.*" "esp before reverse-inc" | |
266 | gdb_test "reverse-step" "inc .esp.*" "reverse-step to inc esp" | |
267 | gdb_test "info reg esp" "esp *$preinc_esp\t.*" "esp after reverse-inc" | |
268 | ||
269 | gdb_test "info reg ebx" "ebx *$predec_ebx\t.*" "ebx before reverse-inc" | |
270 | gdb_test "reverse-step" "inc .ebx.*" "reverse-step to inc ebx" | |
271 | gdb_test "info reg ebx" "ebx *$preinc_ebx\t.*" "ebx after reverse-inc" | |
272 | ||
273 | gdb_test "info reg edx" "edx *$predec_edx\t.*" "edx before reverse-inc" | |
274 | gdb_test "reverse-step" "inc .edx.*" "reverse-step to inc edx" | |
275 | gdb_test "info reg edx" "edx *$preinc_edx\t.*" "edx after reverse-inc" | |
276 | ||
277 | gdb_test "info reg ecx" "ecx *$predec_ecx\t.*" "ecx before reverse-inc" | |
278 | gdb_test "reverse-step" "inc .ecx.*" "reverse-step to inc ecx" | |
279 | gdb_test "info reg ecx" "ecx *$preinc_ecx\t.*" "ecx after reverse-inc" | |
280 | ||
281 | gdb_test "info reg eax" "eax *$predec_eax\t.*" "eax before reverse-inc" | |
282 | gdb_test "reverse-step" "inc .eax.*" "reverse-step to inc eax" | |
283 | gdb_test "info reg eax" "eax *$preinc_eax\t.*" "eax after reverse-inc" | |
284 | ||
285 |