72 lines
2.0 KiB
Plaintext
72 lines
2.0 KiB
Plaintext
|
# Copyright 2015 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/>.
|
||
|
|
load_lib dwarf.exp
|
||
|
|
|
||
|
|
# Test GDB does not internal error on DWARF register number -1 which is invalid
|
||
|
|
# in DWARF. clang-3.5.0-9.fc22.x86_64 produced it inside DW_AT_location.
|
||
|
|
|
||
|
|
# This test can only be run on targets which support DWARF-2 and use gas.
|
||
|
|
if {![dwarf2_support]} {
|
||
|
|
return 0
|
||
|
|
}
|
||
|
|
|
||
|
|
standard_testfile .S main.c
|
||
|
|
|
||
|
|
# Make some DWARF for the test.
|
||
|
|
set asm_file [standard_output_file $srcfile]
|
||
|
|
Dwarf::assemble $asm_file {
|
||
|
|
cu {} {
|
||
|
|
compile_unit {
|
||
|
|
{low_pc main DW_FORM_addr}
|
||
|
|
{high_pc main+0x10000 DW_FORM_addr}
|
||
|
|
} {
|
||
|
|
declare_labels integer_label
|
||
|
|
|
||
|
|
integer_label: DW_TAG_base_type {
|
||
|
|
{DW_AT_byte_size 4 DW_FORM_sdata}
|
||
|
|
{DW_AT_encoding @DW_ATE_signed}
|
||
|
|
{DW_AT_name integer}
|
||
|
|
}
|
||
|
|
|
||
|
|
DW_TAG_subprogram {
|
||
|
|
{name main}
|
||
|
|
{DW_AT_external 1 flag}
|
||
|
|
{low_pc main DW_FORM_addr}
|
||
|
|
{high_pc main+0x10000 DW_FORM_addr}
|
||
|
|
} {
|
||
|
|
DW_TAG_variable {
|
||
|
|
{DW_AT_name bregx}
|
||
|
|
{DW_AT_type :$integer_label}
|
||
|
|
{DW_AT_external 1 flag}
|
||
|
|
{DW_AT_location {
|
||
|
|
DW_OP_bregx 0xffffffff 0
|
||
|
|
} SPECIAL_expr}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if { [prepare_for_testing ${testfile}.exp ${testfile} \
|
||
|
|
[list $srcfile2 $asm_file] {nodebug}] } {
|
||
|
|
return -1
|
||
|
|
}
|
||
|
|
|
||
|
|
runto_main
|
||
|
|
|
||
|
|
# Variable 'bregx' needs to be inside main as for global symbols GDB does not
|
||
|
|
# support non-trivial DW_AT_location. Former GDB printed internal error here.
|
||
|
|
gdb_test "p bregx"
|