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114 lines
3.4 KiB
Plaintext
114 lines
3.4 KiB
Plaintext
# This testcase is part of GDB, the GNU debugger.
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# Copyright 2017-2018 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# Test listing reggroups and the registers in each group.
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standard_testfile
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if {[prepare_for_testing "failed to prepare" $testfile $srcfile debug]} {
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return -1
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}
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if ![runto_main] then {
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fail "can't run to main"
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return 0
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}
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set invalid_register_re "Invalid register .*"
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# Fetch all reggroups from 'maint print reggroups'.
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proc fetch_reggroups {test} {
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global gdb_prompt
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set reggroups {}
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gdb_test_multiple "maint print reggroups" $test {
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-re "maint print reggroups\r\n" {
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exp_continue
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}
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-re "^ Group\[ \t\]+Type\[ \t\]+\r\n" {
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exp_continue
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}
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-re "^ (\[0-9a-zA-Z-\]+)\[ \t\]+(user|internal)\[ \t\]+\r\n" {
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lappend reggroups $expect_out(1,string)
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exp_continue
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}
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-re "$gdb_prompt $" {
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gdb_assert "[llength $reggroups] != 0" $test
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}
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}
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return $reggroups
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}
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# Fetch all registers for a reggroup from 'info reg <reggroup>'.
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proc fetch_reggroup_regs {reggroup test} {
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global gdb_prompt
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global invalid_register_re
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# The command info reg <reggroup> will return something like the following:
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#
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# r0 0x0 0^M
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# r1 0x7fdffc 0x7fdffc^M
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# r2 0x7fe000 0x7fe000^M
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# npc 0x23a8 0x23a8 <main+12>^M
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# sr 0x8401 [ SM CY FO CID=0 ]^M
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#
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# We parse out and return the reg names, this is done by detecting
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# that for each line we have a register name followed by a $hex number.
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#
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# Note: we will not return vector registers, but I think this is ok because
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# for testing purposes we just want to ensure we get some registers and dont
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# fail. Example vector register:
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#
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# xmm0 {v4_float = {0x0, 0x0, 0x0, 0x0}, v2_double = {0x0, ... }}
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#
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set regs {}
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gdb_test_multiple "info reg $reggroup" $test {
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-re "info reg $reggroup\r\n" {
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exp_continue
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}
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-re "^(\[0-9a-zA-Z-\]+)\[ \t\]+(0x\[0-9a-f\]+)\[ \t\]+(\[^\n\r\]+)\r\n" {
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lappend regs $expect_out(1,string)
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exp_continue
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}
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-re $invalid_register_re {
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fail "$test (unexpected invalid register response)"
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}
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-re "$gdb_prompt $" {
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pass $test
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}
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}
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return $regs
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}
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set reggroups [fetch_reggroups "fetch reggroups"]
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set regcount 0
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foreach reggroup $reggroups {
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set regs [fetch_reggroup_regs $reggroup "fetch reggroup regs $reggroup"]
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set regcount [expr $regcount + [llength $regs]]
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}
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gdb_assert "[llength $regcount] != 0" "system has reggroup registers"
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# If this fails it means that probably someone changed the error text returned
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# for an invalid register argument. If that happens we should fix the pattern
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# here and in the fetch_reggroup_regs procedure above.
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gdb_test "info reg invalid-reggroup" $invalid_register_re \
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"info reg invalid-reggroup should report 'Invalid register'"
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