1# Copyright 2004, 2007, 2008, 2009, 2010, 2011 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# This file is part of the gdb testsuite.
17
18if $tracelevel {
19    strace $tracelevel
20}
21
22# Test PowerPC E500 prologue analyzer.
23
24
25if ![istarget "powerpc-*"] then {
26    verbose "Skipping powerpc E500 prologue tests."
27    return
28}
29
30set testfile "e500-prologue"
31set srcfile ${testfile}.c
32set binfile ${objdir}/${subdir}/${testfile}
33if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {}] != "" } {
34    unsupported "Testcase compile failed."
35    return -1
36}
37
38gdb_exit
39gdb_start
40gdb_reinitialize_dir $srcdir/$subdir
41gdb_load ${binfile}
42
43# Insert a breakpoint in FUNCTION and verifies that the breakpoint was
44# inserted at the expected location.  EXPECTED_LOCATION should be an
45# offset relative to the function start address.
46proc insert_breakpoint {function expected_location} {
47    global gdb_prompt
48    global expect_out
49    global hex
50
51    set address ""
52
53    # Insert a breakpoint using the given function name, and extract
54    # the breakpoint address for the output.
55    gdb_test_multiple "break $function" "set breakpoint in $function" {
56        -re "Breakpoint 1 at ($hex).*$gdb_prompt $" {
57            set address $expect_out(1,string)
58        }
59        default {
60            fail "set breakpoint in $function"
61        }
62    }
63
64    # If we managed to get the breakpoing address, then check that
65    # we inserted it at the expected location by examining the
66    # instruction at that address (we're not interested in the insn
67    # itself, but rather at the address printed at the begining of
68    # the instruction).
69    if { $address != "" } then {
70       gdb_test "x /i $address" \
71                ".*<$function\\+$expected_location>.*" \
72                "check $function breakpoint address"
73    } else {
74       fail "unable to compute breakpoint address"
75    }
76
77}
78
79insert_breakpoint "arg_passing_test2" 40
80