1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
|
# Copyright 2007 Free Software Foundation, Inc.
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
if {[gdb_skip_xml_test]} {
unsupported "tdesc-regs.exp"
return -1
}
gdb_start
# To test adding registers, we need a core set of registers for this
# architecture, or the description will be rejected.
set core-regs ""
set regdir ""
switch -glob -- [istarget] {
"*arm-*-*" {
set core-regs {arm-core.xml}
}
"xscale-*-*" {
set core-regs {arm-core.xml}
}
"mips*-*-*" {
set core-regs {mips-cpu.xml mips-cp0.xml mips-fpu.xml}
}
"powerpc*-*-*" {
set regdir "rs6000/"
set core-regs {power-core.xml}
}
}
# If no core registers were specified, assume this target does not
# support target-defined registers. Verify that we get a warning if
# we try to use them. This not only tests the warning, but also
# reminds maintainers to add test support when they add the feature.
if {[string equal ${core-regs} ""]} {
gdb_test "set tdesc file $srcdir/$subdir/single-reg.xml" \
"warning: Target-supplied registers are not supported.*" \
"set tdesc file single-reg.xml"
unsupported "register tests"
return 0
}
# Otherwise, we support both XML and target defined registers.
# Make sure we reject a description missing standard registers,
# like the PC.
gdb_test "set tdesc file $srcdir/$subdir/single-reg.xml" \
"warning: Architecture rejected target-supplied description" \
"set tdesc file single-reg.xml"
# Copy the core registers into the objdir if necessary, so that they
# will be found by <xi:include>.
foreach src ${core-regs} {
file delete "$src"
file copy "$srcdir/../features/$regdir$src" "$src"
}
# Similarly, we need to copy files under test into the objdir.
proc load_description { file errmsg } {
global srcdir
global subdir
global gdb_prompt
global core-regs
file delete "regs.xml"
set ifd [open "$srcdir/$subdir/$file" r]
set ofd [open "regs.xml" w]
while {[gets $ifd line] >= 0} {
if {[regexp {<xi:include href="core-regs.xml"/>} $line]} {
foreach src ${core-regs} {
puts $ofd " <xi:include href=\"$src\"/>"
}
} else {
puts $ofd $line
}
}
close $ifd
close $ofd
# Anchor the test output, so that error messages are detected.
set cmd "set tdesc filename regs.xml"
set msg "set tdesc filename $file"
set cmd_regex [string_to_regexp $cmd]
gdb_test_multiple $cmd $msg {
-re "^$cmd_regex\r\n$errmsg$gdb_prompt $" {
pass $msg
}
}
}
load_description "extra-regs.xml" ""
gdb_test "ptype \$extrareg" "type = (int|long|long long)"
gdb_test "ptype \$uintreg" "type = uint32_t"
gdb_test "ptype \$vecreg" "type = int8_t \\\[4\\\]"
gdb_test "ptype \$unionreg" \
"type = union {\r\n *v4int8 v4;\r\n *v2int16 v2;\r\n}"
gdb_test "ptype \$unionreg.v4" "type = int8_t \\\[4\\\]"
load_description "core-only.xml" ""
# The extra register from the previous description should be gone.
gdb_test "ptype \$extrareg" "type = void"
foreach src ${core-regs} {
file delete "$src"
}
file delete "regs.xml"
|
