projects / deliverable / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| 88b9d363 | 1 | # Copyright 2015-2022 Free Software Foundation, Inc. |
| 5f3ff4f8 JK |
2 | |
| 3 | # This program is free software; you can redistribute it and/or modify | |
| 4 | # it under the terms of the GNU General Public License as published by | |
| 5 | # the Free Software Foundation; either version 3 of the License, or | |
| 6 | # (at your option) any later version. | |
| 7 | # | |
| 8 | # This program is distributed in the hope that it will be useful, | |
| 9 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 10 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 11 | # GNU General Public License for more details. | |
| 12 | # | |
| 13 | # You should have received a copy of the GNU General Public License | |
| 14 | # along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 15 | load_lib dwarf.exp | |
| 16 | ||
| 17 | # Test GDB does not internal error on DWARF register number -1 which is invalid | |
| 18 | # in DWARF. clang-3.5.0-9.fc22.x86_64 produced it inside DW_AT_location. | |
| 19 | ||
| 20 | # This test can only be run on targets which support DWARF-2 and use gas. | |
| 21 | if {![dwarf2_support]} { | |
| 22 | return 0 | |
| 23 | } | |
| 24 | ||
| 90c3ec2d | 25 | standard_testfile main.c .S |
| 5f3ff4f8 JK |
26 | |
| 27 | # Make some DWARF for the test. | |
| 90c3ec2d | 28 | set asm_file [standard_output_file $srcfile2] |
| 5f3ff4f8 JK |
29 | Dwarf::assemble $asm_file { |
| 30 | cu {} { | |
| 31 | compile_unit { | |
| 90c3ec2d | 32 | {MACRO_AT_range {main}} |
| 5f3ff4f8 JK |
33 | } { |
| 34 | declare_labels integer_label | |
| 35 | ||
| 36 | integer_label: DW_TAG_base_type { | |
| 37 | {DW_AT_byte_size 4 DW_FORM_sdata} | |
| 38 | {DW_AT_encoding @DW_ATE_signed} | |
| 39 | {DW_AT_name integer} | |
| 40 | } | |
| 41 | ||
| 42 | DW_TAG_subprogram { | |
| 5f3ff4f8 | 43 | {DW_AT_external 1 flag} |
| 90c3ec2d | 44 | {MACRO_AT_func {main}} |
| 5f3ff4f8 JK |
45 | } { |
| 46 | DW_TAG_variable { | |
| 47 | {DW_AT_name bregx} | |
| 48 | {DW_AT_type :$integer_label} | |
| 49 | {DW_AT_external 1 flag} | |
| 50 | {DW_AT_location { | |
| 51 | DW_OP_bregx 0xffffffff 0 | |
| 52 | } SPECIAL_expr} | |
| 53 | } | |
| 54 | } | |
| 55 | } | |
| 56 | } | |
| 57 | } | |
| 58 | ||
| 5b362f04 | 59 | if { [prepare_for_testing "failed to prepare" ${testfile} \ |
| 90c3ec2d | 60 | [list $srcfile $asm_file] {nodebug}] } { |
| 5f3ff4f8 JK |
61 | return -1 |
| 62 | } | |
| 63 | ||
| 64 | runto_main | |
| 65 | ||
| 66 | # Variable 'bregx' needs to be inside main as for global symbols GDB does not | |
| 67 | # support non-trivial DW_AT_location. Former GDB printed internal error here. | |
| 68 | gdb_test "p bregx" |