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# Copyright 2013-2023 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/>.
# Please email any bugs, comments, and/or additions to this file to:
# bug-gdb@gnu.org
# This file is part of the gdb testsuite.
# This test is supported on 64-bit s390 targets only, and only when
# running native. It should be executed on a sufficiently new Linux
# kernel that provides the 'system_call' regset.
require isnative {istarget s390x-*-*}
standard_testfile
set binprefix $binfile
gdb_exit
proc compile_and_dump {variant ccopts binfile} {
global srcdir subdir srcfile
set compile_flags {debug}
foreach opt $ccopts {
lappend compile_flags "additional_flags=$opt"
}
set test "compile ($variant)"
if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "$binfile" executable $compile_flags] != "" } {
fail $test
return {}
}
pass $test
set test "create core file ($variant)"
set corefile [core_find $binfile]
if {$corefile == ""} {
fail $test
return {}
}
pass $test
return $corefile
}
proc test_linux_v2 {} {
global gdb_prompt
set test "Linux v2"
gdb_test_multiple "info reg system_call" "$test" {
-re "system_call\[ \t\]+0x\[0-9a-z\]+\[ \t\]+.*\r\n$gdb_prompt $" {
pass "$test"
return 1
}
-re "Invalid register `system_call'.*\r\n$gdb_prompt $" {
unsupported "$test (no system_call reg)"
return 0
}
}
return 0
}
proc test_register_valid {reg} {
gdb_test "info reg $reg" \
"$reg\[ \t\]+0x\[0-9a-z\]+\[ \t\]+.*" \
"'$reg' exists"
}
proc test_register_invalid {reg} {
gdb_test "info reg $reg" \
"Invalid register `$reg'.*" \
"'$reg' must not exist"
}
proc test_all_core64 {core type} {
set variant "64-bit $type"
with_test_prefix $variant {
gdb_core_cmd $core "core-file"
if { ! [test_linux_v2] } {
return
}
test_register_valid "last_break"
gdb_core_cmd "${core}.2" "core-file #2"
test_register_invalid "system_call"
gdb_core_cmd "${core}.3" "core-file #3"
test_register_invalid "last_break"
}
}
proc test_all_core31 {core type} {
set variant "31-bit $type"
with_test_prefix $variant {
gdb_core_cmd $core "core-file"
if { ! [test_linux_v2] } {
return
}
test_register_valid "r0h"
test_register_valid "last_break"
gdb_core_cmd "${core}.1" "core-file #1 "
test_register_invalid "r0h"
gdb_core_cmd "${core}.2" "core-file #2"
test_register_invalid "system_call"
gdb_core_cmd "${core}.3" "core-file #3"
test_register_invalid "last_break"
}
}
set binfile "${binprefix}-64"
set core64 [compile_and_dump 64 {-m64} $binfile]
if { $core64 != "" } {
# Remove 'system_call' and mask hwcap
remote_exec host "$binfile $core64 ${core64}.2 775 1023"
# Remove 'last_break'
remote_exec host "$binfile ${core64}.2 ${core64}.3 774"
}
set binfile "${binprefix}-31"
set core31 [compile_and_dump 31 {-m31 -mesa} $binfile]
if { $core31 != "" } {
# Create "patched" core file by removing 'high_gprs' notes
remote_exec host "$binfile $core31 ${core31}.1 768"
# Remove 'system_call' and mask off TE and any newer capabilities
# from hwcap
remote_exec host "$binfile $core31 ${core31}.2 775 1023"
# Remove 'last_break'
remote_exec host "$binfile ${core31}.2 ${core31}.3 774"
}
gdb_start
gdb_reinitialize_dir $srcdir/$subdir
if { $core64 != "" } {
test_all_core64 $core64 "no exec"
gdb_load "${binprefix}-64"
test_all_core64 $core64 "with exec"
}
gdb_test "file" ".*" "discard symbol table" \
{Discard symbol table from `.*'\? \(y or n\) } "y"
if { $core31 != "" } {
test_all_core31 $core31 "no exec"
gdb_load "${binprefix}-31"
test_all_core31 $core31 "with exec"
}
gdb_exit
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