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Diffstat (limited to 'gdb/testsuite/gdb.base/reggroups.exp')
| -rw-r--r-- | gdb/testsuite/gdb.base/reggroups.exp | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/gdb/testsuite/gdb.base/reggroups.exp b/gdb/testsuite/gdb.base/reggroups.exp new file mode 100644 index 0000000..91dc8b7 --- /dev/null +++ b/gdb/testsuite/gdb.base/reggroups.exp @@ -0,0 +1,113 @@ +# This testcase is part of GDB, the GNU debugger. + +# Copyright 2017 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'" |