1# Copyright 1998, 2000, 2001 Free Software Foundation, Inc.
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
5# the Free Software Foundation; either version 2 of the License, or
6# (at your option) any later version.
7#
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.
12#
13# You should have received a copy of the GNU General Public License
14# along with this program; if not, write to the Free Software
15# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
16
17# Please email any bugs, comments, and/or additions to this file to:
18# bug-gdb@prep.ai.mit.edu
19
20if $tracelevel then {
21	strace $tracelevel
22}
23
24set prms_id 0
25set bug_id 0
26
27set prototypes 1
28
29# build the first test case
30
31set testfile1 "reread1"
32set srcfile1 ${testfile1}.c
33# Cygwin needs $EXEEXT.
34set binfile1 ${objdir}/${subdir}/${testfile1}$EXEEXT
35
36if  { [gdb_compile "${srcdir}/${subdir}/${srcfile1}" "${binfile1}" executable {debug additional_flags=-w}] != "" } {
37    gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
38}
39
40# build the second test case
41
42set testfile2 "reread2"
43set srcfile2 ${testfile2}.c
44set binfile2 ${objdir}/${subdir}/${testfile2}$EXEEXT
45
46if  { [gdb_compile "${srcdir}/${subdir}/${srcfile2}" "${binfile2}" executable {debug additional_flags=-w}] != "" } {
47    gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
48}
49
50# Start with a fresh gdb.
51
52set testfile "reread"
53set binfile ${objdir}/${subdir}/${testfile}$EXEEXT
54
55gdb_start
56gdb_reinitialize_dir $srcdir/$subdir
57
58set prms_id 13484
59set bug_id 0
60
61# Load the first executable.
62
63gdb_test "shell mv ${binfile1} ${binfile}" "" ""
64gdb_load ${binfile}
65
66# Set a breakpoint at foo
67
68gdb_test "break foo" \
69    "Breakpoint.*at.* file .*$srcfile1, line 14.*" \
70    "breakpoint foo in first file"
71
72
73# Run, should see "Breakpoint 1, foo () at hello1.c:14"
74
75gdb_run_cmd
76
77gdb_expect {
78    -re ".*Breakpoint.* foo .* at .*$srcfile1:14.*$gdb_prompt $"  {
79	pass "run to foo()";
80    }
81    -re ".*$gdb_prompt $" {
82	fail "run to foo()";
83	gdb_suppress_tests;
84    }
85    timeout { fail "run to foo() (timeout)" ; gdb_suppress_tests }
86}
87
88# Restore first executable to its original name, and move
89# second executable into its place.  Ensure that the new
90# executable is at least a second newer than the old.
91
92gdb_test "shell mv ${binfile} ${binfile1}" "" ""
93gdb_test "shell mv ${binfile2} ${binfile}" "" ""
94gdb_test "shell sleep 1" "" ""
95gdb_test "shell touch ${binfile}" "" ""
96
97# Run a second time; GDB should detect that the executable has changed
98# and reset the breakpoints correctly.
99# Should see "Breakpoint 1, foo () at reread2.c:9"
100
101set prms_id 0
102
103if [is_remote target] {
104    unsupported "run to foo() second time ";
105} else {
106    gdb_run_cmd
107    gdb_expect {
108	#    -re ".*re-reading symbols.*Breakpoint.* foo .* at .*$srcfile2:9.*$gdb_prompt $" {}
109	-re ".*Breakpoint.* foo .* at .*:9.*$gdb_prompt $" {
110	    pass "run to foo() second time ";
111	}
112	-re ".*$gdb_prompt $" {
113	    fail "run to foo() second time";
114	    gdb_suppress_tests;
115	}
116	timeout {
117	    fail "run to foo() second time (timeout)" ;
118	    gdb_suppress_tests
119	}
120    }
121}
122
123
124### Second pass: verify that GDB checks the executable file's
125### timestamp when the program is *restarted*, not just when it exits.
126
127if [is_remote target] {
128    unsupported "second pass: GDB should check for changes before running"
129} else {
130
131    # Put the older executable back in place.
132    gdb_test "shell mv ${binfile} ${binfile2}" "" ""
133    gdb_test "shell mv ${binfile1} ${binfile}" "" ""
134
135    # Restart GDB entirely.
136    gdb_start
137    gdb_reinitialize_dir $srcdir/$subdir
138    gdb_load ${binfile}
139
140    # Set a breakpoint on foo and run to it.
141    gdb_test "break foo" \
142            "Breakpoint.*at.* file .*$srcfile1, line 14.*" \
143            "second pass: breakpoint foo in first file"
144    gdb_run_cmd
145    gdb_expect {
146        -re ".*Breakpoint.* foo .* at .*$srcfile1:14.*$gdb_prompt $"  {
147            pass "second pass: run to foo()";
148        }
149        -re ".*$gdb_prompt $" {
150            fail "second pass: run to foo()";
151            gdb_suppress_tests;
152        }
153        timeout {
154            fail "second pass: run to foo() (timeout)"
155            gdb_suppress_tests
156        }
157    }
158
159    # This time, let the program run to completion.  If GDB checks the
160    # executable file's timestamp now, it won't notice any change.
161    gdb_test "continue" ".*Program exited.*" \
162            "second pass: continue to completion"
163
164    # Now move the newer executable into place, and re-run.  GDB
165    # should still notice that the executable file has changed,
166    # and still re-set the breakpoint appropriately.
167    gdb_test "shell mv ${binfile} ${binfile1}" "" ""
168    gdb_test "shell mv ${binfile2} ${binfile}" "" ""
169    gdb_run_cmd
170    gdb_expect {
171	-re ".*Breakpoint.* foo .* at .*:9.*$gdb_prompt $" {
172	    pass "second pass: run to foo() second time ";
173	}
174	-re ".*$gdb_prompt $" {
175	    fail "second pass: run to foo() second time";
176	    gdb_suppress_tests;
177	}
178	timeout {
179	    fail "second pass: run to foo() second time (timeout)" ;
180	    gdb_suppress_tests
181	}
182    }
183}
184
185# End of tests.
186
187gdb_stop_suppressing_tests
188
189return 0
190