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
|
# Copyright 1998-2018 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/>.
set prototypes 1
# Build programs in PIE mode, to reproduce PR 21555.
foreach_with_prefix opts {
{ "" "" }
{ "-fPIE" "ldflags=-pie" } } {
# build the first test case
set testfile1 "reread1"
set srcfile1 ${testfile1}.c
# Cygwin needs $EXEEXT.
set binfile1 [standard_output_file ${testfile1}$EXEEXT]
set testfile1_opt [list debug nowarnings \
additional_flags=[lindex $opts 0] \
[lindex $opts 1] ]
if { [gdb_compile "${srcdir}/${subdir}/${srcfile1}" "${binfile1}" \
executable ${testfile1_opt}] != "" } {
untested "failed to compile first testcase"
return -1
}
# build the second test case
set testfile2 "reread2"
set srcfile2 ${testfile2}.c
set binfile2 [standard_output_file ${testfile2}$EXEEXT]
set testfile2_opt1 [list debug nowarnings \
additional_flags=[lindex $opts 0] \
[lindex $opts 1]]
set testfile2_op2 [list debug nowarnings \
"additional_flags=-DNO_SECTIONS [lindex $opts 0]" \
[lindex $opts 1]]
if { [gdb_compile "${srcdir}/${subdir}/${srcfile2}" "${binfile2}" \
executable ${testfile2_opt1}] != ""
&& [gdb_compile "${srcdir}/${subdir}/${srcfile2}" "${binfile2}" \
executable ${testfile2_opt2}] != ""} {
untested "failed to compile second testcase"
return -1
}
# Start with a fresh gdb.
set testfile "reread"
set binfile [standard_output_file ${testfile}$EXEEXT]
gdb_start
gdb_reinitialize_dir $srcdir/$subdir
# Load the first executable.
gdb_rename_execfile ${binfile1} ${binfile}
gdb_load ${binfile}
# Set a breakpoint at foo
gdb_test "break foo" \
"Breakpoint.*at.* file .*$srcfile1, line 14.*" \
"breakpoint foo in first file"
# Run, should see "Breakpoint 1, foo () at hello1.c:14"
gdb_run_cmd
gdb_test "" "Breakpoint.* foo .* at .*$srcfile1:14.*" "run to foo()"
# Restore first executable to its original name, and move
# second executable into its place. Ensure that the new
# executable is at least a second newer than the old.
gdb_rename_execfile ${binfile} ${binfile1}
gdb_rename_execfile ${binfile2} ${binfile}
gdb_test "shell sleep 1" ".*" ""
gdb_touch_execfile ${binfile}
# Run a second time; GDB should detect that the executable has changed
# and reset the breakpoints correctly.
# Should see "Breakpoint 1, foo () at reread2.c:9"
set test "run to foo() second time"
if [is_remote target] {
unsupported $test
} else {
gdb_run_cmd
gdb_test "" "Breakpoint.* foo .* at .*:9.*" $test
}
### Second pass: verify that GDB checks the executable file's
### timestamp when the program is *restarted*, not just when it exits.
if [is_remote target] {
unsupported "second pass: GDB should check for changes before running"
} else {
# Put the older executable back in place.
gdb_rename_execfile ${binfile} ${binfile2}
gdb_rename_execfile ${binfile1} ${binfile}
# Restart GDB entirely.
clean_restart ${binfile}
# Set a breakpoint on foo and run to it.
gdb_test "break foo" \
"Breakpoint.*at.* file .*$srcfile1, line 14.*" \
"second pass: breakpoint foo in first file"
gdb_run_cmd
gdb_test "" "Breakpoint.* foo .* at .*$srcfile1:14.*" \
"second pass: run to foo()"
# This time, let the program run to completion. If GDB checks the
# executable file's timestamp now, it won't notice any change.
gdb_continue_to_end "second pass"
# Now move the newer executable into place, and re-run. GDB
# should still notice that the executable file has changed,
# and still re-set the breakpoint appropriately.
gdb_rename_execfile ${binfile} ${binfile1}
gdb_rename_execfile ${binfile2} ${binfile}
gdb_run_cmd
gdb_test "" "Breakpoint.* foo .* at .*:9.*" \
"second pass: run to foo() second time"
}
}
# End of tests.
return 0
|
