blob: 2e724aa77e0c6ce7723b4832c5f614d714865c8a (
plain)
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
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
|
# Copyright (C) 2003-2004, 2006-2012 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/>.
# Please email any bugs, comments, and/or additions to this file to:
# bug-gdb@gnu.org
# This file is part of the gdb testsuite.
# Test i386 prologue analyzer.
if {(![istarget "x86_64-*-*"] && ![istarget "i?86-*-*"]) || ![is_ilp32_target] } then {
verbose "Skipping i386 prologue tests."
return
}
set testfile "i386-prologue"
set srcfile ${testfile}.c
set binfile ${objdir}/${subdir}/${testfile}
# some targets have leading underscores on assembly symbols.
set additional_flags [gdb_target_symbol_prefix_flags]
# Don't use "debug", so that we don't have line information for the assembly
# fragments.
if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable [list $additional_flags]] != "" } {
untested i386-prologue.exp
return -1
}
# The code used by the tests here encodes some breakpoints by using
# inline assembler. This will generate a SIGTRAP which will be caught
# by GDB. At that point the instruction pointer will point at the
# next instruction, and execution can continue without any problems.
# Some systems however (QNX Neutrino, Solaris) will adjust the
# instruction pointer to point at the breakpoint instruction instead.
# On these systems we cannot continue unless we skip it. This
# procedure takes care of that.
proc skip_breakpoint { msg } {
gdb_test "if (*(unsigned char *)\$pc == 0xcc)\nset \$pc = \$pc + 1\nend" \
"" "skip breakpoint in ${msg}"
}
gdb_exit
gdb_start
gdb_reinitialize_dir $srcdir/$subdir
gdb_load ${binfile}
#
# Run to `main' where we begin our tests.
#
if ![runto_main] then {
gdb_suppress_tests
}
# Testcase for standard prologue.
gdb_test "continue" "Program received signal SIGTRAP.*" "continue to standard"
skip_breakpoint standard
gdb_test "backtrace 10" \
"#0\[ \t\]*$hex in standard.*\r\n#1\[ \t\]*$hex in main.*" \
"backtrace in standard"
gdb_test "info frame" \
".*Saved registers:.*ebp at.*edi at.*eip at.*" \
"saved registers in standard"
# Testcase from breakpoints/2080 (when %ecx is used)
gdb_test "break *(stack_align_ecx + 7)" \
"Breakpoint \[0-9\]* at $hex"
gdb_test "continue" \
"Breakpoint \[0-9\]*.*stack_align_ecx.*" \
"continue to stack_align_ecx + 7"
gdb_test "backtrace 10" \
"#0\[ \t\]*$hex in stack_align_ecx.*\r\n#1\[ \t\]*$hex in main.*" \
"first backtrace in stack_align_ecx"
gdb_test "continue" \
"Program received signal SIGTRAP.*" \
"continue in stack_align_ecx"
skip_breakpoint stack_align_ecx
gdb_test "backtrace 10" \
"#0\[ \t\]*$hex in stack_align_ecx.*\r\n#1\[ \t\]*$hex in main.*" \
"second backtrace in stack_align_ecx"
gdb_test "info frame" \
".*Saved registers:.*ecx at.*ebp at.*edi at.*eip at.*" \
"saved registers in stack_align_ecx"
# Testcase from breakpoints/2080 (when %edx is used)
gdb_test "break *(stack_align_edx + 7)" \
"Breakpoint \[0-9\]* at $hex"
gdb_test "continue" \
"Breakpoint \[0-9\]*.*stack_align_edx.*" \
"continue to stack_align_edx + 7"
gdb_test "backtrace 10" \
"#0\[ \t\]*$hex in stack_align_edx.*\r\n#1\[ \t\]*$hex in main.*" \
"first backtrace in stack_align_edx"
gdb_test "continue" \
"Program received signal SIGTRAP.*" \
"continue in stack_align_edx"
skip_breakpoint stack_align_edx
gdb_test "backtrace 10" \
"#0\[ \t\]*$hex in stack_align_edx.*\r\n#1\[ \t\]*$hex in main.*" \
"second backtrace in stack_align_edx"
gdb_test "info frame" \
".*Saved registers:.*ecx at.*ebp at.*edi at.*eip at.*" \
"saved registers in stack_align_edx"
# Testcase from breakpoints/2080 (when %eax is used)
gdb_test "break *(stack_align_eax + 7)" \
"Breakpoint \[0-9\]* at $hex"
gdb_test "continue" \
"Breakpoint \[0-9\]*.*stack_align_eax.*" \
"continue to stack_align_eax + 7"
gdb_test "backtrace 10" \
"#0\[ \t\]*$hex in stack_align_eax.*\r\n#1\[ \t\]*$hex in main.*" \
"first backtrace in stack_align_eax"
gdb_test "continue" \
"Program received signal SIGTRAP.*" \
"continue in stack_align_eax"
skip_breakpoint stack_align_eax
gdb_test "backtrace 10" \
"#0\[ \t\]*$hex in stack_align_eax.*\r\n#1\[ \t\]*$hex in main.*" \
"second backtrace in stack_align_eax"
gdb_test "info frame" \
".*Saved registers:.*ecx at.*ebp at.*edi at.*eip at.*" \
"saved registers in stack_align_eax"
# Testcase from symtab/1253.
gdb_test "continue" "Program received signal SIGTRAP.*" "continue to gdb1253"
skip_breakpoint gdb1253
gdb_test "backtrace 10" \
"#0\[ \t\]*$hex in gdb1253.*\r\n#1\[ \t\]*$hex in main.*" \
"backtrace in gdb1253"
gdb_test "info frame" \
".*Saved registers:.*ebp at.*edi at.*eip at.*" \
"saved registers in gdb1253"
# Testcase from backtrace/1718.
gdb_test "continue" "Program received signal SIGTRAP.*" "continue to gdb1718"
skip_breakpoint gdb1718
gdb_test "backtrace 10" \
"#0\[ \t\]*$hex in gdb1718.*\r\n#1\[ \t\]*$hex in main.*" \
"backtrace in gdb1718"
setup_kfail gdb/1718 *-*-*
gdb_test "info frame" \
".*Saved registers:.*esi at.*ebx at.*eip at.*" \
"saved registers in gdb1718"
# Testcase from backtrace/1338.
gdb_test "continue" "Program received signal SIGTRAP.*" "continue to gdb1338"
skip_breakpoint gdb1338
gdb_test "backtrace 10" \
"#0\[ \t\]*$hex in gdb1338.*\r\n#1\[ \t\]*$hex in main.*" \
"backtrace in gdb1338"
gdb_test "info frame" \
".*Saved registers:.*ebx at.*esi at.*edi at.*eip at.*" \
"saved registers in gdb1338"
# Testcase jump_at_beginning.
gdb_test_multiple "break jump_at_beginning" \
"set breakpoint in jump_at_beginning" {
-re "Breakpoint \[0-9\]* at ($hex).*$gdb_prompt $" {
gdb_test "x/i $expect_out(1,string)" \
".*<jump_at_beginning.*>:.*jmp.*" \
"check jump_at_beginning prologue end"
}
default {
fail "set breakpoint in jump_at_beginning"
}
}
|
