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7b6bb8da | 1 | # Copyright 2002, 2004, 2007, 2008, 2009, 2010, 2011 |
4c38e0a4 | 2 | # Free Software Foundation, Inc. |
e36180d7 AC |
3 | |
4 | # This program is free software; you can redistribute it and/or modify | |
5 | # it under the terms of the GNU General Public License as published by | |
e22f8b7c | 6 | # the Free Software Foundation; either version 3 of the License, or |
e36180d7 | 7 | # (at your option) any later version. |
e22f8b7c | 8 | # |
e36180d7 AC |
9 | # This program is distributed in the hope that it will be useful, |
10 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | # GNU General Public License for more details. | |
e22f8b7c | 13 | # |
e36180d7 | 14 | # You should have received a copy of the GNU General Public License |
e22f8b7c | 15 | # along with this program. If not, see <http://www.gnu.org/licenses/>. |
e36180d7 | 16 | |
e36180d7 AC |
17 | # The doco makes reference to built-in registers -- $pc and $fp. If |
18 | # the ISA contains registers by that name then they should be | |
19 | # displayed. If the ISA contains registers identified as being | |
20 | # equivalent, but have different names, then GDB will provide these as | |
21 | # aliases. If the ISA doesn't provide any equivalent registers, then | |
22 | # GDB will provide registers that map onto the frame's PC and FP. | |
23 | ||
24 | if $tracelevel then { | |
25 | strace $tracelevel | |
26 | } | |
27 | ||
28 | # | |
29 | # test running programs | |
30 | # | |
e36180d7 AC |
31 | |
32 | set testfile "pc-fp" | |
33 | set srcfile ${testfile}.c | |
34 | set binfile ${objdir}/${subdir}/${testfile} | |
35 | ||
fc91c6c2 | 36 | if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug nowarnings}] != "" } { |
b60f0898 JB |
37 | untested pc-fp.exp |
38 | return -1 | |
e36180d7 AC |
39 | } |
40 | ||
41 | if [get_compiler_info ${binfile}] { | |
42 | return -1 | |
43 | } | |
44 | ||
45 | gdb_exit | |
46 | gdb_start | |
47 | gdb_reinitialize_dir $srcdir/$subdir | |
48 | gdb_load ${binfile} | |
49 | ||
50 | if ![runto_main] then { | |
51 | perror "couldn't run to breakpoint" | |
52 | continue | |
53 | } | |
54 | ||
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55 | |
56 | # Get the value of PC and FP | |
57 | ||
faafb047 PM |
58 | set valueof_pc [get_hexadecimal_valueof "\$pc" "0"] |
59 | set valueof_fp [get_hexadecimal_valueof "\$fp" "0"] | |
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60 | |
61 | # Check that the sequence $REGNAME -> REGNUM -> $REGNAME works. Use | |
62 | # display since that encodes and then decodes the expression parameter | |
63 | # (and hence uses the mechanisms we're trying to test). | |
64 | ||
2b28d209 | 65 | gdb_test "display/i \$pc" "1: x/i +\\\$pc( +|\r\n)=> ${valueof_pc}.*" |
e36180d7 AC |
66 | gdb_test "display/w \$fp" "2: x/xw +\\\$fp +${valueof_fp}.*" |
67 | ||
68 | # FIXME: cagney/2002-09-04: Should also check that ``info registers | |
69 | # $pc'' et.al.'' come back with the same value as the above displays | |
70 | # and a print --- assuming that is that people agree to such behavour. | |
71 | # Need to re-write default_print_registers_info() for it to work (and | |
72 | # such a rewrite is on the reggroups branch). | |
73 | ||
74 | # gdb_test "info registers \$pc" "${valueof_pc}" | |
75 | # gdb_test "info registers \$fp" "${valueof_fp}" |