projects / deliverable / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| 88b9d363 | 1 | # Copyright 2014-2022 Free Software Foundation, Inc. |
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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 | ||
| 16 | # Test corrupt DWARF input | |
| 17 | # PR gdb/15827 | |
| 18 | ||
| 19 | load_lib dwarf.exp | |
| 20 | ||
| 21 | if {![dwarf2_support]} { | |
| 22 | return 0 | |
| 23 | } | |
| 24 | ||
| 8c161360 | 25 | standard_testfile main.c .S |
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26 | |
| 27 | # Make the DWARF used for the test. | |
| 28 | # | |
| 29 | # Here we put DW_AT_sibling DIEs into the output which | |
| 30 | # point off into la-la land. The whole purpose is to simulate | |
| 31 | # corrupt DWARF information and make sure that GDB can handle it | |
| 32 | # without crashing. | |
| 33 | ||
| 34 | set asm_file [standard_output_file $srcfile2] | |
| 35 | Dwarf::assemble $asm_file { | |
| 36 | cu {} { | |
| 37 | compile_unit {} { | |
| 38 | declare_labels int_label | |
| 39 | ||
| 40 | int_label: base_type { | |
| f2e0d4b4 | 41 | {byte_size 4 sdata} |
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42 | {name "int"} |
| 43 | } | |
| 44 | ||
| 45 | enumeration_type { | |
| 46 | {name "ENUM"} | |
| f2e0d4b4 | 47 | {byte_size 4 sdata} |
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48 | } { |
| 49 | enumerator { | |
| 50 | {name "A"} | |
| f2e0d4b4 | 51 | {const_value 0 sdata} |
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52 | } |
| 53 | enumerator { | |
| 54 | {name "B"} | |
| f2e0d4b4 | 55 | {const_value 1 sdata} |
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56 | {sibling 12345678 DW_FORM_ref4} |
| 57 | } { | |
| 58 | base_type { | |
| f2e0d4b4 | 59 | {byte_size 1 sdata} |
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60 | {name "char"} |
| 61 | } | |
| 62 | } | |
| 63 | array_type { | |
| 64 | {type :$int_label} | |
| 65 | {sibling 12345678 DW_FORM_ref4} | |
| 66 | } | |
| 67 | } | |
| 68 | } | |
| 69 | } | |
| 70 | } | |
| 71 | ||
| 5b362f04 | 72 | if {[prepare_for_testing "failed to prepare" $testfile \ |
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73 | [list $srcfile $asm_file] {nodebug}]} { |
| 74 | return -1 | |
| 75 | } | |
| 76 | ||
| 77 | gdb_test "print 1" "= 1" "recover from corrupt DWARF" |