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e2882c85 | 1 | # Copyright 1998-2018 Free Software Foundation, Inc. |
c906108c SS |
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 | |
e22f8b7c | 5 | # the Free Software Foundation; either version 3 of the License, or |
c906108c | 6 | # (at your option) any later version. |
e22f8b7c | 7 | # |
c906108c SS |
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. | |
e22f8b7c | 12 | # |
c906108c | 13 | # You should have received a copy of the GNU General Public License |
e22f8b7c | 14 | # along with this program. If not, see <http://www.gnu.org/licenses/>. |
c906108c | 15 | |
c906108c SS |
16 | set prototypes 1 |
17 | ||
46a62268 YQ |
18 | # Build programs in PIE mode, to reproduce PR 21555. |
19 | foreach_with_prefix opts { | |
20 | { "" "" } | |
21 | { "-fPIE" "ldflags=-pie" } } { | |
c906108c | 22 | |
46a62268 | 23 | # build the first test case |
39ad761d | 24 | |
46a62268 YQ |
25 | set testfile1 "reread1" |
26 | set srcfile1 ${testfile1}.c | |
27 | # Cygwin needs $EXEEXT. | |
28 | set binfile1 [standard_output_file ${testfile1}$EXEEXT] | |
29 | ||
30 | set testfile1_opt [list debug nowarnings \ | |
31 | additional_flags=[lindex $opts 0] \ | |
32 | [lindex $opts 1] ] | |
33 | if { [gdb_compile "${srcdir}/${subdir}/${srcfile1}" "${binfile1}" \ | |
34 | executable ${testfile1_opt}] != "" } { | |
35 | untested "failed to compile first testcase" | |
36 | return -1 | |
37 | } | |
38 | ||
39 | # build the second test case | |
40 | ||
41 | set testfile2 "reread2" | |
42 | set srcfile2 ${testfile2}.c | |
43 | set binfile2 [standard_output_file ${testfile2}$EXEEXT] | |
44 | ||
45 | set testfile2_opt1 [list debug nowarnings \ | |
46 | additional_flags=[lindex $opts 0] \ | |
47 | [lindex $opts 1]] | |
48 | set testfile2_op2 [list debug nowarnings \ | |
49 | "additional_flags=-DNO_SECTIONS [lindex $opts 0]" \ | |
50 | [lindex $opts 1]] | |
51 | if { [gdb_compile "${srcdir}/${subdir}/${srcfile2}" "${binfile2}" \ | |
52 | executable ${testfile2_opt1}] != "" | |
53 | && [gdb_compile "${srcdir}/${subdir}/${srcfile2}" "${binfile2}" \ | |
54 | executable ${testfile2_opt2}] != ""} { | |
55 | untested "failed to compile second testcase" | |
56 | return -1 | |
57 | } | |
58 | ||
59 | # Start with a fresh gdb. | |
60 | ||
61 | set testfile "reread" | |
62 | set binfile [standard_output_file ${testfile}$EXEEXT] | |
63 | ||
64 | gdb_start | |
65 | gdb_reinitialize_dir $srcdir/$subdir | |
66 | ||
67 | # Load the first executable. | |
68 | ||
69 | gdb_rename_execfile ${binfile1} ${binfile} | |
70 | gdb_load ${binfile} | |
71 | ||
72 | # Set a breakpoint at foo | |
73 | ||
74 | gdb_test "break foo" \ | |
75 | "Breakpoint.*at.* file .*$srcfile1, line 14.*" \ | |
76 | "breakpoint foo in first file" | |
77 | ||
78 | ||
79 | # Run, should see "Breakpoint 1, foo () at hello1.c:14" | |
80 | ||
81 | gdb_run_cmd | |
82 | gdb_test "" "Breakpoint.* foo .* at .*$srcfile1:14.*" "run to foo()" | |
83 | ||
84 | # Restore first executable to its original name, and move | |
85 | # second executable into its place. Ensure that the new | |
86 | # executable is at least a second newer than the old. | |
87 | ||
88 | gdb_rename_execfile ${binfile} ${binfile1} | |
89 | gdb_rename_execfile ${binfile2} ${binfile} | |
90 | gdb_test "shell sleep 1" ".*" "" | |
91 | gdb_touch_execfile ${binfile} | |
92 | ||
93 | # Run a second time; GDB should detect that the executable has changed | |
94 | # and reset the breakpoints correctly. | |
95 | # Should see "Breakpoint 1, foo () at reread2.c:9" | |
96 | ||
97 | set test "run to foo() second time" | |
98 | if [is_remote target] { | |
99 | unsupported $test | |
100 | } else { | |
101 | gdb_run_cmd | |
102 | gdb_test "" "Breakpoint.* foo .* at .*:9.*" $test | |
103 | } | |
104 | ||
105 | ||
106 | ### Second pass: verify that GDB checks the executable file's | |
107 | ### timestamp when the program is *restarted*, not just when it exits. | |
108 | ||
109 | if [is_remote target] { | |
110 | unsupported "second pass: GDB should check for changes before running" | |
111 | } else { | |
112 | ||
113 | # Put the older executable back in place. | |
114 | gdb_rename_execfile ${binfile} ${binfile2} | |
115 | gdb_rename_execfile ${binfile1} ${binfile} | |
116 | ||
117 | # Restart GDB entirely. | |
118 | clean_restart ${binfile} | |
119 | ||
120 | # Set a breakpoint on foo and run to it. | |
121 | gdb_test "break foo" \ | |
122 | "Breakpoint.*at.* file .*$srcfile1, line 14.*" \ | |
123 | "second pass: breakpoint foo in first file" | |
124 | gdb_run_cmd | |
125 | gdb_test "" "Breakpoint.* foo .* at .*$srcfile1:14.*" \ | |
126 | "second pass: run to foo()" | |
127 | ||
128 | # This time, let the program run to completion. If GDB checks the | |
129 | # executable file's timestamp now, it won't notice any change. | |
130 | gdb_continue_to_end "second pass" | |
131 | ||
132 | # Now move the newer executable into place, and re-run. GDB | |
133 | # should still notice that the executable file has changed, | |
134 | # and still re-set the breakpoint appropriately. | |
135 | gdb_rename_execfile ${binfile} ${binfile1} | |
136 | gdb_rename_execfile ${binfile2} ${binfile} | |
137 | gdb_run_cmd | |
138 | gdb_test "" "Breakpoint.* foo .* at .*:9.*" \ | |
139 | "second pass: run to foo() second time" | |
140 | } | |
141 | ||
142 | } | |
c906108c SS |
143 | # End of tests. |
144 | ||
c906108c | 145 | return 0 |