projects / deliverable / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| 618f726f | 1 | # Copyright 2015-2016 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 | ||
| 25 | standard_testfile .S main.c | |
| 26 | ||
| 27 | # Make some DWARF for the test. | |
| 28 | set asm_file [standard_output_file $srcfile] | |
| 29 | Dwarf::assemble $asm_file { | |
| 30 | cu {} { | |
| 31 | compile_unit { | |
| 2223449a KB |
32 | {low_pc [gdb_target_symbol main] DW_FORM_addr} |
| 33 | {high_pc [gdb_target_symbol main]+0x10000 DW_FORM_addr} | |
| 5f3ff4f8 JK |
34 | } { |
| 35 | declare_labels integer_label | |
| 36 | ||
| 37 | integer_label: DW_TAG_base_type { | |
| 38 | {DW_AT_byte_size 4 DW_FORM_sdata} | |
| 39 | {DW_AT_encoding @DW_ATE_signed} | |
| 40 | {DW_AT_name integer} | |
| 41 | } | |
| 42 | ||
| 43 | DW_TAG_subprogram { | |
| 44 | {name main} | |
| 45 | {DW_AT_external 1 flag} | |
| 2223449a KB |
46 | {low_pc [gdb_target_symbol main] DW_FORM_addr} |
| 47 | {high_pc [gdb_target_symbol main]+0x10000 DW_FORM_addr} | |
| 5f3ff4f8 JK |
48 | } { |
| 49 | DW_TAG_variable { | |
| 50 | {DW_AT_name bregx} | |
| 51 | {DW_AT_type :$integer_label} | |
| 52 | {DW_AT_external 1 flag} | |
| 53 | {DW_AT_location { | |
| 54 | DW_OP_bregx 0xffffffff 0 | |
| 55 | } SPECIAL_expr} | |
| 56 | } | |
| 57 | } | |
| 58 | } | |
| 59 | } | |
| 60 | } | |
| 61 | ||
| 5b362f04 | 62 | if { [prepare_for_testing "failed to prepare" ${testfile} \ |
| 5f3ff4f8 JK |
63 | [list $srcfile2 $asm_file] {nodebug}] } { |
| 64 | return -1 | |
| 65 | } | |
| 66 | ||
| 67 | runto_main | |
| 68 | ||
| 69 | # Variable 'bregx' needs to be inside main as for global symbols GDB does not | |
| 70 | # support non-trivial DW_AT_location. Former GDB printed internal error here. | |
| 71 | gdb_test "p bregx" |