1# Copyright 2002, 2003, 2004 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
20# This file was written by Michael Snyder (msnyder@redhat.com)
21# This is a test for the gdb command "generate-core-file".
22
23if $tracelevel then {
24	strace $tracelevel
25}
26
27set prms_id 0
28set bug_id 0
29
30set testfile "gcore"
31set srcfile  ${testfile}.c
32set binfile  ${objdir}/${subdir}/${testfile}
33
34if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
35     gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
36}
37
38# Start with a fresh gdb.
39
40gdb_exit
41gdb_start
42gdb_reinitialize_dir $srcdir/$subdir
43gdb_load ${binfile}
44
45# Does this gdb support gcore?
46send_gdb "help gcore\n"
47gdb_expect {
48    -re "Undefined command: .gcore.*$gdb_prompt $" {
49	# gcore command not supported -- nothing to test here.
50	unsupported "gdb does not support gcore on this target"
51	return -1;
52    }
53    -re "Save a core file .*$gdb_prompt $" {
54	pass "help gcore"
55    }
56    -re ".*$gdb_prompt $" {
57	fail "help gcore"
58    }
59    timeout {
60	fail "help gcore (timeout)"
61    }
62}
63
64if { ! [ runto_main ] } then {
65    gdb_suppress_entire_file "Run to main failed, so all tests in this file will automatically fail."
66}
67
68proc capture_command_output { command prefix } {
69    global gdb_prompt
70    global expect_out
71
72    set output_string ""
73    send_gdb "$command\n"
74    gdb_expect {
75	-re "${command}\[\r\n\]+${prefix}(.*)\[\r\n\]+$gdb_prompt $" {
76	    set output_string $expect_out(1,string)
77	}
78	default {
79	    fail "capture_command_output failed on $command."
80	}
81    }
82    return $output_string
83}
84
85gdb_test "break terminal_func" "Breakpoint .* at .*${srcfile}, line .*" \
86	"set breakpoint at terminal_func"
87
88gdb_test "continue" "Breakpoint .* terminal_func.*" \
89	"continue to terminal_func"
90
91set print_prefix ".\[0123456789\]* = "
92
93set pre_corefile_backtrace [capture_command_output "backtrace" ""]
94set pre_corefile_regs [capture_command_output "info registers" ""]
95set pre_corefile_allregs [capture_command_output "info all-reg" ""]
96set pre_corefile_static_array \
97	[capture_command_output "print static_array" "$print_prefix"]
98set pre_corefile_uninit_array \
99	[capture_command_output "print un_initialized_array" "$print_prefix"]
100set pre_corefile_heap_string \
101	[capture_command_output "print heap_string" "$print_prefix"]
102set pre_corefile_local_array \
103	[capture_command_output "print array_func::local_array" "$print_prefix"]
104set pre_corefile_extern_array \
105	[capture_command_output "print extern_array" "$print_prefix"]
106
107set escapedfilename [string_to_regexp ${objdir}/${subdir}/gcore.test]
108
109gdb_test_multiple "gcore ${objdir}/${subdir}/gcore.test" \
110	"save a corefile" \
111{
112  -re "Saved corefile ${escapedfilename}\[\r\n\]+$gdb_prompt $" {
113    pass "save a corefile"
114    global core_supported
115    set core_supported 1
116  }
117  -re "Can't create a corefile\[\r\n\]+$gdb_prompt $" {
118    unsupported "save a corefile"
119    global core_supported
120    set core_supported 0
121  }
122}
123
124global core_supported
125if {!$core_supported} {
126  return -1
127}
128
129# Now restart gdb and load the corefile.
130gdb_exit
131gdb_start
132gdb_reinitialize_dir $srcdir/$subdir
133gdb_load ${binfile}
134
135send_gdb "core ${objdir}/${subdir}/gcore.test\n"
136gdb_expect {
137    -re ".* is not a core dump:.*$gdb_prompt $" {
138	fail "re-load generated corefile (bad file format)"
139	# No use proceeding from here.
140	return;
141    }
142    -re ".*: No such file or directory.*$gdb_prompt $" {
143	fail "re-load generated corefile (file not found)"
144	# No use proceeding from here.
145	return;
146    }
147    -re ".*Couldn't find .* registers in core file.*$gdb_prompt $" {
148	fail "re-load generated corefile (incomplete note section)"
149    }
150    -re "Core was generated by .*$gdb_prompt $" {
151	pass "re-load generated corefile"
152    }
153    -re ".*$gdb_prompt $" {
154	fail "re-load generated corefile"
155    }
156    timeout {
157	fail "re-load generated corefile (timeout)"
158    }
159}
160
161send_gdb "where\n"
162gdb_expect_list "where in corefile" ".*$gdb_prompt $" {
163    ".*\[\r\n\]+#0 .* terminal_func \\(\\) at "
164    ".*\[\r\n\]+#1 .* array_func \\(\\) at "
165    ".*\[\r\n\]+#2 .* factorial_func \\(value=1\\) at "
166    ".*\[\r\n\]+#3 .* factorial_func \\(value=2\\) at "
167    ".*\[\r\n\]+#4 .* factorial_func \\(value=3\\) at "
168    ".*\[\r\n\]+#5 .* factorial_func \\(value=4\\) at "
169    ".*\[\r\n\]+#6 .* factorial_func \\(value=5\\) at "
170    ".*\[\r\n\]+#7 .* factorial_func \\(value=6\\) at "
171    ".*\[\r\n\]+#8 .* main \\(.*\\) at "
172}
173
174set post_corefile_regs [capture_command_output "info registers" ""]
175if ![string compare $pre_corefile_regs $post_corefile_regs] then {
176    pass "corefile restored general registers"
177} else {
178    fail "corefile restored general registers"
179}
180
181set post_corefile_allregs [capture_command_output "info all-reg" ""]
182if ![string compare $pre_corefile_allregs $post_corefile_allregs] then {
183    pass "corefile restored all registers"
184} else {
185    fail "corefile restored all registers"
186}
187
188set post_corefile_extern_array \
189	[capture_command_output "print extern_array" "$print_prefix"]
190if ![string compare $pre_corefile_extern_array $post_corefile_extern_array]  {
191    pass "corefile restored extern array"
192} else {
193    fail "corefile restored extern array"
194}
195
196set post_corefile_static_array \
197	[capture_command_output "print static_array" "$print_prefix"]
198if ![string compare $pre_corefile_static_array $post_corefile_static_array]  {
199    pass "corefile restored static array"
200} else {
201    fail "corefile restored static array"
202}
203
204set post_corefile_uninit_array \
205	[capture_command_output "print un_initialized_array" "$print_prefix"]
206if ![string compare $pre_corefile_uninit_array $post_corefile_uninit_array]  {
207    pass "corefile restored un-initialized array"
208} else {
209    fail "corefile restored un-initialized array"
210}
211
212set post_corefile_heap_string \
213	[capture_command_output "print heap_string" "$print_prefix"]
214if ![string compare $pre_corefile_heap_string $post_corefile_heap_string]  {
215    pass "corefile restored heap array"
216} else {
217    fail "corefile restored heap array"
218}
219
220set post_corefile_local_array \
221	[capture_command_output "print array_func::local_array" "$print_prefix"]
222if ![string compare $pre_corefile_local_array $post_corefile_local_array]  {
223    pass "corefile restored stack array"
224} else {
225    fail "corefile restored stack array"
226}
227
228set post_corefile_backtrace [capture_command_output "backtrace" ""]
229if ![string compare $pre_corefile_backtrace $post_corefile_backtrace]  {
230    pass "corefile restored backtrace"
231} else {
232    fail "corefile restored backtrace"
233}
234