1# Copyright 2003 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@gnu.org
19
20# This file is part of the gdb testsuite.
21
22# Tests for PR:1291.  Ensure that backtrace works properly for stack
23# frames greater than 256 bytes.
24
25if $tracelevel {
26    strace $tracelevel
27}
28
29# Test SH backtraces with >256 byte frame stack. (PR:1291)
30
31set prms_id 0
32set bug_id 0
33
34if ![istarget "sh-*-*"] then {
35    verbose "Skipping SH backtrace tests."
36    return
37}
38
39set testfile "gdb1291"
40set srcfile ${testfile}.s
41set binfile ${objdir}/${subdir}/${testfile}
42if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable ""] != "" } {
43    gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
44}
45
46gdb_exit
47gdb_start
48gdb_reinitialize_dir $srcdir/$subdir
49gdb_load ${binfile}
50
51#
52# Run to `main' where we begin our tests.
53#
54
55if ![runto_main] then {
56    gdb_suppress_tests
57}
58
59gdb_test "b sub1" "Breakpoint 2.*" "set breakpoint"
60gdb_test "c" "Breakpoint 2.* sub1 .*" "get to sub1"
61
62send_gdb "bt\n"
63gdb_expect {
64    -re "#0.* sub1 .*\r\n#1\[ \t\]*$hex in main \\(\\).*\r\n$gdb_prompt $" {
65	pass "backtrace with local variable less than or equal to 256 bytes"
66    }
67    -re ".*$gdb_prompt $" {
68	fail "backtrace with local variable less than or equal to 256 bytes"
69    }
70    timeout {
71	fail "backtrace with local variable less than or equal to 256 bytes (timeout)"
72    }
73}
74
75gdb_test "b sub2" "Breakpoint 3.*" "set breakpoint"
76gdb_test "c" "Breakpoint 3.* sub2 .*" "get to sub2"
77
78send_gdb "bt\n"
79gdb_expect {
80    -re "#0.* sub2 .*\r\n#1\[ \t\]*$hex in main \\(\\).*\r\n$gdb_prompt $" {
81	pass "backtrace with local variable larger than 256 bytes"
82    }
83    -re "#0.* sub2 .*\r\n#1  0x00000000 in \\?\\? \\(\\).*\r\n$gdb_prompt $" {
84	kfail "gdb/1291" "backtrace with local variable larger than 256 bytes"
85    }
86    -re ".*$gdb_prompt $" {
87	fail "backtrace with local variable larger than 256 bytes"
88    }
89    timeout {
90	fail "backtrace with local variable larger than 256 bytes (timeout)"
91    }
92}
93