| # Copyright 2014-2016 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 corrupt DWARF input |
| # PR gdb/15827 |
| |
| load_lib dwarf.exp |
| |
| if {![dwarf2_support]} { |
| return 0 |
| } |
| |
| standard_testfile corrupt.c corrupt.S |
| |
| # Make the DWARF used for the test. |
| # |
| # Here we put DW_AT_sibling DIEs into the output which |
| # point off into la-la land. The whole purpose is to simulate |
| # corrupt DWARF information and make sure that GDB can handle it |
| # without crashing. |
| |
| set asm_file [standard_output_file $srcfile2] |
| Dwarf::assemble $asm_file { |
| cu {} { |
| compile_unit {} { |
| declare_labels int_label |
| |
| int_label: base_type { |
| {byte_size 4 sdata} |
| {name "int"} |
| } |
| |
| enumeration_type { |
| {name "ENUM"} |
| {byte_size 4 sdata} |
| } { |
| enumerator { |
| {name "A"} |
| {const_value 0 sdata} |
| } |
| enumerator { |
| {name "B"} |
| {const_value 1 sdata} |
| {sibling 12345678 DW_FORM_ref4} |
| } { |
| base_type { |
| {byte_size 1 sdata} |
| {name "char"} |
| } |
| } |
| array_type { |
| {type :$int_label} |
| {sibling 12345678 DW_FORM_ref4} |
| } |
| } |
| } |
| } |
| } |
| |
| if {[prepare_for_testing $testfile.exp $testfile \ |
| [list $srcfile $asm_file] {nodebug}]} { |
| return -1 |
| } |
| |
| gdb_test "print 1" "= 1" "recover from corrupt DWARF" |