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32d0add0 | 1 | # Copyright 2014-2015 Free Software Foundation, Inc. |
22869d73 KS |
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 | ||
25 | standard_testfile corrupt.c corrupt.S | |
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 $asm_file { | |
36 | cu {} { | |
37 | compile_unit {} { | |
38 | declare_labels int_label | |
39 | ||
40 | int_label: base_type { | |
f2e0d4b4 | 41 | {byte_size 4 sdata} |
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42 | {name "int"} |
43 | } | |
44 | ||
45 | enumeration_type { | |
46 | {name "ENUM"} | |
f2e0d4b4 | 47 | {byte_size 4 sdata} |
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48 | } { |
49 | enumerator { | |
50 | {name "A"} | |
f2e0d4b4 | 51 | {const_value 0 sdata} |
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52 | } |
53 | enumerator { | |
54 | {name "B"} | |
f2e0d4b4 | 55 | {const_value 1 sdata} |
22869d73 KS |
56 | {sibling 12345678 DW_FORM_ref4} |
57 | } { | |
58 | base_type { | |
f2e0d4b4 | 59 | {byte_size 1 sdata} |
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60 | {name "char"} |
61 | } | |
62 | } | |
63 | array_type { | |
64 | {type :$int_label} | |
65 | {sibling 12345678 DW_FORM_ref4} | |
66 | } | |
67 | } | |
68 | } | |
69 | } | |
70 | } | |
71 | ||
72 | if {[prepare_for_testing $testfile.exp $testfile \ | |
73 | [list $srcfile $asm_file] {nodebug}]} { | |
74 | return -1 | |
75 | } | |
76 | ||
77 | gdb_test "print 1" "= 1" "recover from corrupt DWARF" |