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b811d2c2 | 1 | # Copyright 2015-2020 Free Software Foundation, Inc. |
28d2bfb9 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 | load_lib dwarf.exp | |
16 | ||
17 | # Test DW_TAG_compile_unit with no children and with neither DW_AT_low_pc nor | |
18 | # DW_AT_high_pc but with DW_AT_ranges instead. | |
19 | ||
20 | # This test can only be run on targets which support DWARF-2 and use gas. | |
21 | if {![dwarf2_support]} { | |
22 | verbose "Skipping DW_AT_ranges test." | |
23 | return 0 | |
24 | } | |
25 | ||
26 | # The .c files use __attribute__. | |
27 | if [get_compiler_info] { | |
28 | return -1 | |
29 | } | |
30 | if !$gcc_compiled { | |
31 | verbose "Skipping DW_AT_ranges test." | |
32 | return 0 | |
33 | } | |
34 | ||
35 | standard_testfile dw2-ranges-base.c dw2-ranges-base-dw.S | |
36 | ||
37 | set asm_file [standard_output_file $srcfile2] | |
38 | Dwarf::assemble $asm_file { | |
39 | global srcdir subdir srcfile srcfile2 | |
40 | declare_labels ranges_label | |
41 | declare_labels L | |
42 | ||
43 | # Find start address and length for our functions. | |
44 | set main_func \ | |
45 | [function_range main [list ${srcdir}/${subdir}/$srcfile]] | |
46 | set frame2_func \ | |
47 | [function_range frame2 [list ${srcdir}/${subdir}/$srcfile]] | |
48 | set frame3_func \ | |
49 | [function_range frame3 [list ${srcdir}/${subdir}/$srcfile]] | |
50 | ||
51 | # Very simple info for this test program. We don't care about | |
52 | # this information being correct (w.r.t. funtion / argument types) | |
53 | # just so long as the compilation using makes use of the | |
54 | # .debug_ranges data then the test achieves its objective. | |
55 | cu {} { | |
56 | compile_unit { | |
57 | {language @DW_LANG_C} | |
58 | {name dw-ranges-base.c} | |
59 | {stmt_list $L DW_FORM_sec_offset} | |
60 | {ranges ${ranges_label} DW_FORM_sec_offset} | |
61 | } { | |
62 | subprogram { | |
63 | {external 1 flag} | |
64 | {name main} | |
65 | } | |
66 | subprogram { | |
67 | {external 1 flag} | |
68 | {name frame2} | |
69 | } | |
70 | subprogram { | |
71 | {external 1 flag} | |
72 | {name frame3} | |
73 | } | |
74 | } | |
75 | } | |
76 | ||
77 | lines {version 2} L { | |
78 | include_dir "${srcdir}/${subdir}" | |
79 | file_name "$srcfile" 1 | |
80 | ||
81 | # Generate simple line table program. The line table | |
82 | # information contained here is not correct, and we really | |
83 | # don't care, just so long as each function has some line | |
84 | # table data associated with it. We do make use of the fake | |
85 | # line numbers that we pick here in the tests below. | |
86 | program { | |
87 | {DW_LNE_set_address [lindex $main_func 0]} | |
88 | {DW_LNS_advance_line 10} | |
89 | {DW_LNS_copy} | |
90 | {DW_LNS_advance_pc [lindex $main_func 1]} | |
91 | {DW_LNS_advance_line 19} | |
92 | {DW_LNS_copy} | |
93 | {DW_LNE_end_sequence} | |
94 | ||
95 | {DW_LNE_set_address [lindex $frame2_func 0]} | |
96 | {DW_LNS_advance_line 20} | |
97 | {DW_LNS_copy} | |
98 | {DW_LNS_advance_pc [lindex $frame2_func 1]} | |
99 | {DW_LNS_advance_line 29} | |
100 | {DW_LNS_copy} | |
101 | {DW_LNE_end_sequence} | |
102 | ||
103 | {DW_LNE_set_address [lindex $frame3_func 0]} | |
104 | {DW_LNS_advance_line 30} | |
105 | {DW_LNS_copy} | |
106 | {DW_LNS_advance_pc [lindex $frame3_func 1]} | |
107 | {DW_LNS_advance_line 39} | |
108 | {DW_LNS_copy} | |
109 | {DW_LNE_end_sequence} | |
110 | } | |
111 | } | |
112 | ||
113 | # Generate ranges data. This is the point of this whole test | |
114 | # file, we must have multiple bases specified, so we use a new | |
115 | # base for each function. | |
116 | ranges {is_64 [is_64_target]} { | |
117 | ranges_label: sequence { | |
118 | {base [lindex $main_func 0]} | |
119 | {range 0 [lindex $main_func 1]} | |
120 | {base [lindex $frame2_func 0]} | |
121 | {range 0 [lindex $frame2_func 1]} | |
122 | {base [lindex $frame3_func 0]} | |
123 | {range 0 [lindex $frame3_func 1]} | |
124 | } | |
125 | } | |
126 | } | |
127 | ||
5b362f04 | 128 | if { [prepare_for_testing "failed to prepare" ${testfile} \ |
28d2bfb9 AB |
129 | [list $srcfile $asm_file] {nodebug}] } { |
130 | return -1 | |
131 | } | |
132 | ||
133 | if ![runto_main] { | |
134 | return -1 | |
135 | } | |
136 | ||
137 | # Make use of the line numbers we faked in the .debug_line table above. | |
138 | gdb_test "info line main" \ | |
139 | "Line 11 of .* starts at address .* and ends at .*" | |
140 | gdb_test "info line frame2" \ | |
141 | "Line 21 of .* starts at address .* and ends at .*" | |
142 | gdb_test "info line frame3" \ | |
143 | "Line 31 of .* starts at address .* and ends at .*" | |
94a72be7 AB |
144 | |
145 | # Ensure that the line table correctly tracks the end of sequence markers. | |
146 | set end_seq_count 0 | |
307eafd8 | 147 | gdb_test_multiple "maint info line-table gdb.dwarf2/dw2-ranges-base.c" \ |
94a72be7 | 148 | "count END markers in line table" { |
1773be9e | 149 | -re "^$decimal\[ \t\]+$decimal\[ \t\]+$hex\(\[ \t\]+Y\)? *\r\n" { |
94a72be7 AB |
150 | exp_continue |
151 | } | |
1773be9e | 152 | -re "^$decimal\[ \t\]+END\[ \t\]+$hex\(\[ \t\]+Y\)? *\r\n" { |
94a72be7 AB |
153 | incr end_seq_count |
154 | exp_continue | |
155 | } | |
156 | -re "^$gdb_prompt $" { | |
157 | gdb_assert [expr $end_seq_count == 3] $gdb_test_name | |
158 | } | |
159 | -re ".*linetable: \\(\\(struct linetable \\*\\) 0x0\\):\r\nNo line table.\r\n" { | |
160 | exp_continue | |
161 | } | |
1773be9e | 162 | -re ".*linetable: \\(\\(struct linetable \\*\\) $hex\\):\r\nINDEX\[ \t\]+LINE\[ \t\]+ADDRESS\[ \t\]+IS-STMT *\r\n" { |
94a72be7 AB |
163 | exp_continue |
164 | } | |
165 | } |