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
|
# Copyright 1997, 1998, 1999, 2000, 2004, 2007, 2008, 2009, 2010, 2011
# 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/>.
# file to test calls into shared libraries
# the source files for this test are:
#
# shmain.c
# shr1.c (shared lib)
# shr2.c (shared lib)
# ss.h (header for shr2.c)
#
# file written by Elena Zannoni: elz@ch.apollo.com
#
#debug shmain
#prop lib shr1.sl
#prop lib shr2.sl
if $tracelevel then {
strace $tracelevel
}
if {[skip_shlib_tests]} {
return 0
}
set testfile "shmain"
set libfile1 "shr1"
set libfile2 "shr2"
set srcfile ${srcdir}/${subdir}/${testfile}.c
set lib1src ${srcdir}/${subdir}/${libfile1}.c
set lib2src ${srcdir}/${subdir}/${libfile2}.c
set lib1 ${objdir}/${subdir}/${libfile1}.sl
set lib2 ${objdir}/${subdir}/${libfile2}.sl
set binfile ${objdir}/${subdir}/${testfile}
set lib_opts "debug"
set exec_opts [list debug shlib=${lib1} shlib=${lib2}]
if [get_compiler_info ${binfile}] {
return -1
}
if { [gdb_compile_shlib ${lib1src} ${lib1} $lib_opts] != ""
|| [gdb_compile_shlib ${lib2src} ${lib2} $lib_opts] != ""
|| [gdb_compile ${srcfile} ${binfile} executable $exec_opts] != ""} {
untested "Could not compile $lib1, $lib2, or $srcfile."
return -1
}
# Start with a fresh gdb.
gdb_exit
gdb_start
gdb_reinitialize_dir $srcdir/$subdir
gdb_load ${binfile}
gdb_load_shlibs $lib1 $lib2
gdb_test_no_output "set print sevenbit-strings"
gdb_test_no_output "set print address off"
gdb_test_no_output "set width 0"
if ![runto_main] then {
perror "C function calling tests suppressed"
}
#step -over
gdb_test "next" "g = shr1\\(g\\);" "next to shr1"
#print g
gdb_test "print g" "\[0-9\]* = 1" "print g"
#step -over
if ![gdb_skip_stdio_test "next over shr1"] {
gdb_test "next" \
"address of sgs is $hex.*g = shr2\\(g\\);" \
"next over shr1"
} else {
gdb_test "next" ".*" ""
}
#print g
gdb_test "print g" "\[0-9\]* = 2" "print g"
#print shr1(1)
if ![gdb_skip_stdio_test "print shr1(1)"] {
gdb_test "print shr1(1)" \
"address of sgs is $hex.*\[0-9\]* = 2" \
"print shr1(1)"
}
#print shr1(g)
if ![gdb_skip_stdio_test "print shr1(g)"] {
gdb_test "print shr1(g)" \
"address of sgs is $hex.*\[0-9\]* = 4" \
"print shr1(g)"
}
#break shr2
#go
gdb_test "break shr2" \
"Breakpoint.*file.*shr2.c, line.*" \
"breakpoint function shr2"
gdb_test "continue" \
"Continuing\\..*Breakpoint \[0-9\]+, shr2 \\(.*\\) at.*shr2\\.c:7.*7.*return 2.x;" \
"run until breakpoint set at a function"
#print shr1(1)
if ![gdb_skip_stdio_test "print shr1(1) 2nd time"] {
gdb_test "print shr1(1)" \
"address of sgs is $hex.*\[0-9\]* = 2" \
"print shr1(1) 2nd time"
}
#print mainshr1(1)
gdb_test "print mainshr1(1)" "\[0-9\]* = 2" \
"print mainshr1(1) from shlib func"
#step -return
# A step at this point will either take us entirely out of
# the function or into the function's epilogue. The exact
# behavior will differ depending upon upon whether or not
# the compiler emits line number information for the epilogue.
gdb_test_multiple "step" "step out of shr2 to main" {
-re "main \\(\\) at.*g = mainshr1\\(g\\);.*$gdb_prompt $" {
pass "step out of shr2 to main"
}
-re ".*\\\}.*$gdb_prompt $" {
pass "step out of shr2 to main (stopped in shr2 epilogue)"
gdb_test "step" \
"main \\(\\) at.*g = mainshr1\\(g\\);" \
"step out of shr2 epilogue to main"
}
}
#print mainshr1(1)
gdb_test "print mainshr1(1)" "\[0-9\]* = 2" "print mainshr1(1)"
#step
gdb_test "step" "mainshr1 \\(g=4\\) at.*return 2.g;" \
"step into mainshr1"
# Start with a fresh gdb.
gdb_exit
gdb_start
gdb_reinitialize_dir $srcdir/$subdir
gdb_load ${binfile}
gdb_test_no_output "set print sevenbit-strings"
gdb_test_no_output "set print address off"
gdb_test_no_output "set width 0"
# PR's 16495, 18213
# test that we can re-set breakpoints in shared libraries
gdb_breakpoint "shr1" "allow-pending"
# FIXME: should not send "run" explicitly. Non-portable.
if ![is_remote target] {
gdb_test "run" "Starting program:.*Breakpoint .,.*" \
"run to bp in shared library"
gdb_test "cont" ".*Program exited normally..*"
gdb_test "run" "Starting program:.*Breakpoint .,.*" \
"re-run to bp in shared library (PR's 16495, 18213)"
gdb_test "cont" ".*Program exited normally..*"
}
return 0
|
GitWeb