]>
Commit | Line | Data |
---|---|---|
213516ef | 1 | # Copyright 2021-2023 Free Software Foundation, Inc. |
61dee722 AB |
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 | # This is a basic first test for using the testsuite's Dwarf assembler to | |
17 | # create split debug information. There's not unique feature of GDB being | |
18 | # tested here, this exists only as a basic test for the testsuite | |
19 | # infrastructure. | |
20 | ||
21 | load_lib dwarf.exp | |
22 | ||
23 | # This test can only be run on targets which support DWARF-2 and use gas. | |
24 | if {![dwarf2_support]} { | |
25 | return 0 | |
26 | } | |
27 | ||
28 | standard_testfile .c -dw.S | |
29 | ||
61dee722 AB |
30 | set asm_file [standard_output_file $srcfile2] |
31 | Dwarf::assemble $asm_file { | |
32 | global srcfile binfile objdir | |
33 | ||
34 | set debug_addr_lbl ".unknown!!" | |
35 | ||
36 | # The information that will be split out into the .dwo file. | |
37 | cu {fission 1} { | |
38 | ||
39 | # Capture a label to the current start of the .debug_addr | |
40 | # section. This will be passed to DW_AT_GNU_addr_base in the | |
41 | # non-split CU later. | |
42 | set debug_addr_lbl [debug_addr_label] | |
43 | ||
44 | compile_unit { | |
45 | {language @DW_LANG_C} | |
46 | {name ${srcfile}} | |
47 | {DW_AT_comp_dir ${objdir}} | |
48 | {DW_AT_GNU_dwo_id 0x1234 DW_FORM_data8} | |
49 | } { | |
50 | declare_labels int4_type struct_type | |
51 | ||
52 | int4_type: DW_TAG_base_type { | |
53 | {DW_AT_byte_size 4 DW_FORM_sdata} | |
54 | {DW_AT_encoding @DW_ATE_signed} | |
55 | {DW_AT_name integer} | |
56 | } | |
57 | ||
58 | struct_type: DW_TAG_structure_type { | |
59 | {DW_AT_name "foo_t"} | |
60 | {DW_AT_byte_size 12 DW_FORM_sdata} | |
61 | } { | |
62 | member { | |
63 | {name "aa"} | |
64 | {type :$int4_type} | |
65 | {data_member_location 0 data1} | |
66 | } | |
67 | member { | |
68 | {name "bb"} | |
69 | {type :$int4_type} | |
70 | {data_member_location 4 data1} | |
71 | } | |
72 | member { | |
73 | {name "cc"} | |
74 | {type :$int4_type} | |
75 | {data_member_location 8 data1} | |
76 | } | |
77 | } | |
78 | ||
79 | DW_TAG_variable { | |
80 | {DW_AT_name global_var} | |
81 | {DW_AT_type :$struct_type} | |
82 | {DW_AT_location { | |
83 | DW_OP_GNU_addr_index [gdb_target_symbol global_var] | |
84 | } SPECIAL_expr} | |
85 | {external 1 flag} | |
86 | } | |
87 | ||
88 | subprogram { | |
89 | {external 1 flag} | |
90 | {DW_AT_name main DW_FORM_string} | |
91 | {MACRO_AT_func {main}} | |
92 | } | |
93 | } | |
94 | } | |
95 | ||
96 | # The information that will remain in the .o file. | |
97 | cu {} { | |
98 | compile_unit { | |
99 | {DW_AT_GNU_dwo_name ${binfile}.dwo DW_FORM_strp} | |
100 | {DW_AT_comp_dir ${objdir}} | |
101 | {DW_AT_GNU_dwo_id 0x1234 DW_FORM_data8} | |
102 | {DW_AT_GNU_addr_base $debug_addr_lbl} | |
103 | } { | |
104 | # Nothing. | |
105 | } | |
106 | } | |
107 | } | |
108 | ||
109 | # Compile both source files to create the executable. As we compile | |
110 | # ASM_FILE we split out the debug information into the dwo file. | |
111 | set object_file [standard_output_file ${testfile}.o] | |
112 | if { [build_executable_and_dwo_files "${testfile}.exp" ${binfile} {nodebug} \ | |
113 | [list $asm_file {nodebug split-dwo} ${object_file}] \ | |
114 | [list $srcfile {nodebug}]] } { | |
61dee722 AB |
115 | return -1 |
116 | } | |
117 | ||
118 | # Now we can start GDB. | |
119 | clean_restart ${testfile} | |
120 | ||
121 | if ![runto_main] { | |
122 | return -1 | |
123 | } | |
124 | ||
125 | # Print the type of global_var. This type information is entirely | |
126 | # fictional, it only exists in the DWARF. If we don't have the DWARF | |
127 | # information then there's no way we can print this. | |
128 | gdb_test "p global_var" " = \\{aa = 0, bb = 0, cc = 0\\}" |