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3666a048 | 1 | # Copyright 2014-2021 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 | standard_testfile | |
da39d3ba | 17 | set using_clang [test_compiler_info clang*] |
463bb957 | 18 | |
5b362f04 | 19 | if { [prepare_for_testing "failed to prepare" ${testfile} ${srcfile}] } { |
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20 | return -1 |
21 | } | |
22 | ||
23 | if ![runto_main] { | |
24 | return -1 | |
25 | } | |
26 | ||
27 | set sizeof_int [get_sizeof "int" 4] | |
28 | ||
29 | # Check that VLA passed to function (pointer) points to the first element. | |
30 | gdb_breakpoint [gdb_get_line_number "foo_bp"] | |
31 | gdb_continue_to_breakpoint "foo_bp" | |
32 | gdb_test "print vla_ptr" "\\\(int \\\*\\\) $hex" "print vla_ptr (foo)" | |
33 | gdb_test "print *vla_ptr" " = 2" "print *vla_ptr (foo)" | |
34 | ||
35 | gdb_breakpoint [gdb_get_line_number "bar_bp"] | |
36 | gdb_continue_to_breakpoint "bar_bp" | |
37 | gdb_test "print vla_ptr" "\\\(int \\\*\\\) $hex" "print vla_ptr (bar)" | |
38 | gdb_test "print *vla_ptr" " = 2" "print *vla_ptr (bar)" | |
39 | ||
40 | gdb_breakpoint [gdb_get_line_number "vla_func_bp"] | |
41 | gdb_continue_to_breakpoint "vla_func_bp" | |
da39d3ba TV |
42 | |
43 | gdb_test_multiple "print td_vla" "" { | |
44 | -re -wrap " = \\\{4, 5, 6, 7, 8\\\}" { | |
45 | pass $gdb_test_name | |
46 | } | |
47 | -re -wrap " = $hex" { | |
48 | if { $using_clang } { | |
49 | # Clang 10.0.1 fails to generate complete type info, filed as | |
50 | # llvm PR48247 - "vla var with typedef'd type has incomplete | |
51 | # debug info". See note below. | |
52 | xfail $gdb_test_name | |
53 | # Verify that despite the incomplete type info, the variable is | |
54 | # there and has the right value. | |
55 | gdb_test "p *td_vla@5" " = \\\{4, 5, 6, 7, 8\\\}" | |
56 | } else { | |
57 | fail $gdb_test_name | |
58 | } | |
59 | } | |
60 | } | |
61 | ||
62 | # Clang 10.0.1 generates this DWARF for td_vla: | |
63 | # | |
64 | # A variable DIE: | |
65 | # <2><19f>: Abbrev Number: 6 (DW_TAG_variable) | |
66 | # <1a0> DW_AT_location : 0x39 (location list) | |
67 | # <1a4> DW_AT_name : td_vla | |
68 | # <1aa> DW_AT_type : <0x1ae> | |
69 | # with type: | |
70 | # <2><1ae>: Abbrev Number: 7 (DW_TAG_typedef) | |
71 | # <1af> DW_AT_type : <0x1fc> | |
72 | # <1b3> DW_AT_name : typedef_vla | |
73 | # pointing to: | |
74 | # <1><1fc>: Abbrev Number: 11 (DW_TAG_array_type) | |
75 | # <1fd> DW_AT_type : <0x1d3> | |
76 | # <2><201>: Abbrev Number: 14 (DW_TAG_subrange_type) | |
77 | # <202> DW_AT_type : <0x1f5> | |
78 | # | |
79 | # The subrange type is missing the count attribute. |