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
|
# Copyright 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2004
# 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 2 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, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
# Please email any bugs, comments, and/or additions to this file to:
# bug-gdb@prep.ai.mit.edu
# This file is based on corefile.exp which was written by Fred
# Fish. (fnf@cygnus.com)
if $tracelevel then {
strace $tracelevel
}
set prms_id 0
set bug_id 0
# are we on a target board
if ![isnative] then {
return
}
set testfile "bigcore"
set srcfile ${testfile}.c
set binfile ${objdir}/${subdir}/${testfile}
set corefile ${objdir}/${subdir}/${testfile}.corefile
if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
}
# Create a core file named "TESTFILE.corefile" rather than just
# "core", to avoid problems with sys admin types that like to
# regularly prune all files named "core" from the system.
# Some systems append "core" to the name of the program; others append
# the name of the program to "core"; still others (like Linux, as of
# May 2003) create cores named "core.PID". In the latter case, we
# could have many core files lying around, and it may be difficult to
# tell which one is ours, so let's run the program in a subdirectory.
set found 0
set coredir "${objdir}/${subdir}/coredir.[getpid]"
file mkdir $coredir
catch "system \"(cd ${coredir}; ${binfile}; true) >/dev/null 2>&1\""
set names [glob -nocomplain -directory $coredir *core*]
if {[llength $names] == 1} {
set file [file join $coredir [lindex $names 0]]
remote_exec build "mv $file $corefile"
set found 1
}
# Try to clean up after ourselves.
remote_file build delete [file join $coredir coremmap.data]
remote_exec build "rmdir $coredir"
if { $found == 0 } {
warning "can't generate a core file - core tests suppressed - check ulimit -c"
return 0
}
# Run GDB on the bigcore program up-to where it will dump core.
gdb_exit
gdb_start
gdb_reinitialize_dir $srcdir/$subdir
gdb_load ${binfile}
gdb_test "set print sevenbit-strings" "" \
"set print sevenbit-strings; ${testfile}"
gdb_test "set width 0" "" \
"set width 0; ${testfile}"
if { ![runto_main] } then {
gdb_suppress_tests;
}
set print_core_line [gdb_get_line_number "Dump core"]
gdb_test "tbreak $print_core_line"
gdb_test continue ".*print_string.*"
gdb_test next ".*0 = 0.*"
# Traverse bigcore's linked list, saving each chunk's address. I
# don't know why but expect_out didn't work with gdb_test_multiple.
set heap ""
set test "extract heap"
set lim 0
send_gdb "print heap\n"
gdb_expect {
-re " = \\(struct list \\*\\) 0x0.*$gdb_prompt $" {
pass "$test"
}
-re " = \\(struct list \\*\\) (0x\[0-9a-f\]*).*$gdb_prompt $" {
set heap [concat $heap $expect_out(1,string)]
if { $lim > 100 } {
fail "$test (limit $lim exceeded)"
} else {
incr lim
send_gdb "print $.next\n"
exp_continue
}
}
-re ".*$gdb_prompt $" {
fail "$test (entry $lim)"
}
timeout {
fail "$test (timeout)"
}
}
# Now load up that core file
set test "load corefile"
gdb_test_multiple "core $corefile" "$test" {
-re "A program is being debugged already. Kill it. .y or n. " {
send_gdb "y\n"
exp_continue
}
-re "Core was generated by.*$gdb_prompt $" {
pass "$test"
}
}
# Finally, re-traverse bigcore's linked list, checking each chunk's
# address against the executable. Don't use gdb_test_multiple as want
# only one pass/fail.
set test "check heap"
set lim 0
set ok 1
send_gdb "print heap\n"
while { $ok } {
gdb_expect {
-re " = \\(struct list \\*\\) 0x0.*$gdb_prompt $" {
set ok 0
if { $lim == [llength $heap] } {
pass "$test"
} else {
fail "$test (short list)"
}
}
-re " = \\(struct list \\*\\) [lindex $heap $lim].*$gdb_prompt $" {
incr lim
if { $lim > 100 } {
set ok 0
fail "$test (limit $lim exceeded)"
} else {
send_gdb "print \$.next\n"
}
}
-re ".*$gdb_prompt $" {
set ok 0
setup_kfail i*86-*-linux* gdb/1509
fail "$test (address [lindex $heap $lim])"
}
timeout {
set ok 0
fail "$test (timeout)"
}
}
}
|
