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# This testcase is part of GDB, the GNU debugger.
# Copyright 2017-2021 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/>.
# Test listing reggroups and the registers in each group.
standard_testfile
if {[prepare_for_testing "failed to prepare" $testfile $srcfile debug]} {
return -1
}
if ![runto_main] then {
fail "can't run to main"
return 0
}
set invalid_register_re "Invalid register .*"
# Fetch all reggroups from 'maint print reggroups'.
proc fetch_reggroups {test} {
global gdb_prompt
set reggroups {}
gdb_test_multiple "maint print reggroups" $test {
-re "maint print reggroups\r\n" {
exp_continue
}
-re "^ Group\[ \t\]+Type\[ \t\]+\r\n" {
exp_continue
}
-re "^ (\[_0-9a-zA-Z-\]+)\[ \t\]+(user|internal)\[ \t\]+\r\n" {
lappend reggroups $expect_out(1,string)
exp_continue
}
-re "$gdb_prompt $" {
gdb_assert "[llength $reggroups] != 0" $test
}
}
return $reggroups
}
# Fetch all registers for a reggroup from 'info reg <reggroup>'.
proc fetch_reggroup_regs {reggroup test} {
global gdb_prompt
global invalid_register_re
# The command info reg <reggroup> will return something like the following:
#
# r0 0x0 0^M
# r1 0x7fdffc 0x7fdffc^M
# r2 0x7fe000 0x7fe000^M
# npc 0x23a8 0x23a8 <main+12>^M
# sr 0x8401 [ SM CY FO CID=0 ]^M
#
# We parse out and return the reg names, this is done by detecting
# that for each line we have a register name followed by a $hex number.
#
# Note: we will not return vector registers, but I think this is ok because
# for testing purposes we just want to ensure we get some registers and dont
# fail. Example vector register:
#
# xmm0 {v4_float = {0x0, 0x0, 0x0, 0x0}, v2_double = {0x0, ... }}
#
set regs {}
gdb_test_multiple "info reg $reggroup" $test {
-re "info reg $reggroup\r\n" {
exp_continue
}
-re "^(\[0-9a-zA-Z-\]+)\[ \t\]+(0x\[0-9a-f\]+)\[ \t\]+(\[^\n\r\]+)\r\n" {
lappend regs $expect_out(1,string)
exp_continue
}
-re $invalid_register_re {
fail "$test (unexpected invalid register response)"
}
-re "$gdb_prompt $" {
pass $test
}
}
return $regs
}
set reggroups [fetch_reggroups "fetch reggroups"]
set regcount 0
foreach reggroup $reggroups {
set regs [fetch_reggroup_regs $reggroup "fetch reggroup regs $reggroup"]
set regcount [expr $regcount + [llength $regs]]
}
gdb_assert "[llength $regcount] != 0" "system has reggroup registers"
# If this fails it means that probably someone changed the error text returned
# for an invalid register argument. If that happens we should fix the pattern
# here and in the fetch_reggroup_regs procedure above.
gdb_test "info reg invalid-reggroup" $invalid_register_re \
"info reg invalid-reggroup should report 'Invalid register'"
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