1# Copyright 2002, 2003, 2004, 2007 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 3 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, see <http://www.gnu.org/licenses/>.
15
16# Please email any bugs, comments, and/or additions to this file to:
17# bug-gdb@prep.ai.mit.edu
18
19# This file was written by Michael Snyder (msnyder@redhat.com)
20# This is a test for the gdb command "generate-core-file".
21
22if $tracelevel then {
23	strace $tracelevel
24}
25
26set prms_id 0
27set bug_id 0
28
29# Single-threaded test case
30set testfile "pthreads"
31set srcfile  ${testfile}.c
32set binfile  ${objdir}/${subdir}/gcore-${testfile}
33
34if [istarget "*-*-linux"] then {
35    set target_cflags "-D_MIT_POSIX_THREADS"
36} else {
37    set target_cflags ""
38}
39
40if {[gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable [list debug "incdir=${objdir}"]] != "" } {
41    return -1
42}
43
44# Now we can proceed with the real testing.
45
46# Start with a fresh gdb.
47
48gdb_exit
49gdb_start
50gdb_reinitialize_dir $srcdir/$subdir
51gdb_load ${binfile}
52
53# regexp for "horizontal" text (i.e. doesn't include newline or
54# carriage return)
55set horiz "\[^\n\r\]*"
56
57# regexp for newline
58set nl "\[\r\n\]+"
59
60set timeout 30
61
62send_gdb "help gcore\n"
63gdb_expect {
64    -re "Undefined command: .gcore.*$gdb_prompt $" {
65	# gcore command not supported -- nothing to test here.
66	unsupported "gdb does not support gcore on this target"
67	return -1;
68    }
69    -re "Save a core file .*$gdb_prompt $" {
70	pass "help gcore"
71    }
72    -re ".*$gdb_prompt $" {
73	fail "help gcore"
74    }
75    timeout {
76	fail "help gcore (timeout)"
77    }
78}
79
80if { ! [ runto_main ] } then {
81    untested gcore-thread.exp
82    return -1
83}
84
85send_gdb "info threads\n"
86gdb_expect {
87    -re ".* main .*$gdb_prompt $" {
88	# OK, threads are supported.
89    }
90    -re "${nl}$gdb_prompt $" {
91	unsupported "gdb does not support threads on this target"
92	return -1;
93    }
94}
95
96# Make sure thread 1 is running
97delete_breakpoints
98gdb_breakpoint "thread1"
99gdb_test "continue" "Continuing.*Breakpoint.* thread1 .*" "thread 1 is running"
100
101# Make sure thread 2 is running
102delete_breakpoints
103gdb_breakpoint "thread2"
104gdb_test "continue" "Continuing.*Breakpoint.* thread2 .*" "thread 2 is running"
105
106set escapedfilename [string_to_regexp ${objdir}/${subdir}/gcore.test]
107# Drop corefile
108gdb_test_multiple "gcore ${objdir}/${subdir}/gcore.test" \
109	"save a corefile" \
110{
111  -re "Saved corefile ${escapedfilename}\[\r\n\]+$gdb_prompt $" {
112    pass "save a corefile"
113    global core_supported
114    set core_supported 1
115  }
116  -re "Can't create a corefile\[\r\n\]+$gdb_prompt $" {
117    unsupported "save a corefile"
118    global core_supported
119    set core_supported 0
120  }
121}
122
123global core_supported
124if {!$core_supported} {
125  return -1
126}
127
128# Now restart gdb and load the corefile.
129gdb_exit
130gdb_start
131gdb_reinitialize_dir $srcdir/$subdir
132gdb_load ${binfile}
133
134send_gdb "core ${objdir}/${subdir}/gcore.test\n"
135gdb_expect {
136    -re ".* is not a core dump:.*$gdb_prompt $" {
137	fail "re-load generated corefile (bad file format)"
138	# No use proceeding from here.
139	return;
140    }
141    -re ".*: No such file or directory.*$gdb_prompt $" {
142	fail "re-load generated corefile (file not found)"
143	# No use proceeding from here.
144	return;
145    }
146    -re ".*Couldn't find .* registers in core file.*$gdb_prompt $" {
147	fail "re-load generated corefile (incomplete note section)"
148    }
149    -re "Core was generated by .*$gdb_prompt $" {
150	pass "re-load generated corefile"
151    }
152    -re ".*$gdb_prompt $" {
153	fail "re-load generated corefile"
154    }
155    timeout {
156	fail "re-load generated corefile (timeout)"
157    }
158}
159
160# FIXME: now what can we test about the thread state?
161# We do not know for certain that there should be at least
162# three threads, because who knows what kind of many-to-one
163# mapping various OS's may do?  Let's assume that there must
164# be at least two threads:
165
166gdb_test "info threads" ".*${nl}  2 ${horiz}${nl}\\* 1 .*" \
167	"corefile contains at least two threads"
168
169# One thread in the corefile should be in the "thread2" function.
170
171gdb_test "info threads" ".* thread2 .*" \
172	"a corefile thread is executing thread2"
173
174# The thread2 thread should be marked as the current thread.
175
176gdb_test "info threads" ".*${nl}\\* ${horiz} thread2 .*" \
177	"thread2 is current thread in corefile"
178
179