ChangeLog:
[deliverable/binutils-gdb.git] / gdb / testsuite / gdb.xml / tdesc-regs.exp
1 # Copyright 2007, 2008, 2009 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 if {[gdb_skip_xml_test]} {
17 unsupported "tdesc-regs.exp"
18 return -1
19 }
20
21 gdb_start
22
23 # To test adding registers, we need a core set of registers for this
24 # architecture, or the description will be rejected.
25
26 set core-regs ""
27 set regdir ""
28 switch -glob -- [istarget] {
29 "*arm-*-*" {
30 set core-regs {arm-core.xml}
31 }
32 "xscale-*-*" {
33 set core-regs {arm-core.xml}
34 }
35 "mips*-*-*" {
36 set core-regs {mips-cpu.xml mips-cp0.xml mips-fpu.xml}
37 }
38 "powerpc*-*-*" {
39 set regdir "rs6000/"
40 set core-regs {power-core.xml}
41 }
42 "spu*-*-*" {
43 # This may be either the spu-linux-nat target, or the Cell/B.E.
44 # multi-architecture debugger in SPU standalone executable mode.
45 # We do not support XML register sets on SPU in either case.
46 # However, the multi-arch debugger will accept XML registers sets
47 # (on the PowerPC side), hence the test below would fail.
48 # Simply return unconditionally here.
49 unsupported "register tests"
50 return 0
51 }
52 }
53
54 # If no core registers were specified, assume this target does not
55 # support target-defined registers. Verify that we get a warning if
56 # we try to use them. This not only tests the warning, but also
57 # reminds maintainers to add test support when they add the feature.
58 if {[string equal ${core-regs} ""]} {
59 gdb_test "set tdesc file $srcdir/$subdir/single-reg.xml" \
60 "warning: Target-supplied registers are not supported.*" \
61 "set tdesc file single-reg.xml"
62 unsupported "register tests"
63 return 0
64 }
65
66 # Otherwise, we support both XML and target defined registers.
67
68 # Make sure we reject a description missing standard registers,
69 # like the PC.
70 gdb_test "set tdesc file $srcdir/$subdir/single-reg.xml" \
71 "warning: Architecture rejected target-supplied description" \
72 "set tdesc file single-reg.xml"
73
74 # Copy the core registers into the objdir if necessary, so that they
75 # will be found by <xi:include>.
76 foreach src ${core-regs} {
77 file delete "$src"
78 file copy "$srcdir/../features/$regdir$src" "$src"
79 }
80
81 # Similarly, we need to copy files under test into the objdir.
82 proc load_description { file errmsg } {
83 global srcdir
84 global subdir
85 global gdb_prompt
86 global core-regs
87
88 file delete "regs.xml"
89 set ifd [open "$srcdir/$subdir/$file" r]
90 set ofd [open "regs.xml" w]
91 while {[gets $ifd line] >= 0} {
92 if {[regexp {<xi:include href="core-regs.xml"/>} $line]} {
93 foreach src ${core-regs} {
94 puts $ofd " <xi:include href=\"$src\"/>"
95 }
96 } else {
97 puts $ofd $line
98 }
99 }
100 close $ifd
101 close $ofd
102
103 # Anchor the test output, so that error messages are detected.
104 set cmd "set tdesc filename regs.xml"
105 set msg "set tdesc filename $file"
106 set cmd_regex [string_to_regexp $cmd]
107 gdb_test_multiple $cmd $msg {
108 -re "^$cmd_regex\r\n$errmsg$gdb_prompt $" {
109 pass $msg
110 }
111 }
112 }
113
114 load_description "extra-regs.xml" ""
115 gdb_test "ptype \$extrareg" "type = (int|long|long long)"
116 gdb_test "ptype \$uintreg" "type = uint32_t"
117 gdb_test "ptype \$vecreg" "type = int8_t \\\[4\\\]"
118 gdb_test "ptype \$unionreg" \
119 "type = union {\r\n *v4int8 v4;\r\n *v2int16 v2;\r\n}"
120 gdb_test "ptype \$unionreg.v4" "type = int8_t \\\[4\\\]"
121
122 load_description "core-only.xml" ""
123 # The extra register from the previous description should be gone.
124 gdb_test "ptype \$extrareg" "type = void"
125
126 foreach src ${core-regs} {
127 file delete "$src"
128 }
129 file delete "regs.xml"
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