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213516ef | 1 | # Copyright 2020-2023 Free Software Foundation, Inc. |
1313c56e 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 | # Setup a line table where: | |
17 | # | |
18 | # | Addr | File | Line | Stmt | Inline | | |
19 | # |------|------|------|------|--------| | |
20 | # | 1 | 1 | 16 | Y | | | |
21 | # | 2 | 1 | 17 | Y | | | |
22 | # | 3 | 2 | 21 | Y | X | | |
23 | # | 4 | 2 | 22 | Y | X | | |
24 | # | 4 | 1 | 18 | N | | | |
25 | # | 5 | 1 | 19 | N | | | |
26 | # | 6 | 1 | 20 | Y | | | |
27 | # | 7 | 1 | END | Y | | | |
28 | # |------|------|------|------|--------| | |
29 | # | |
30 | # Break at file 2, line 22, then single instruction step forward. We | |
31 | # should pass through line 19 and then encounter line 20. | |
32 | # | |
33 | # Currently we don't expect GDB to see file 1, line 18, as this is a | |
34 | # non-stmt line in a different file at the same address as the | |
35 | # previous is-stmt line. | |
36 | ||
37 | load_lib dwarf.exp | |
38 | ||
39 | # This test can only be run on targets which support DWARF-2 and use gas. | |
40 | if {![dwarf2_support]} { | |
41 | return 0 | |
42 | } | |
43 | ||
44 | # The .c files use __attribute__. | |
ef7a6b97 | 45 | if ![is_c_compiler_gcc] { |
1313c56e AB |
46 | return 0 |
47 | } | |
48 | ||
49 | standard_testfile dw2-inline-header-lbls.c dw2-inline-header.S \ | |
50 | dw2-inline-header.c dw2-inline-header.h | |
51 | ||
52 | set build_options {nodebug optimize=-O1} | |
53 | ||
54 | set asm_file [standard_output_file $srcfile2] | |
55 | Dwarf::assemble $asm_file { | |
56 | global srcdir subdir srcfile srcfile3 srcfile4 | |
57 | global build_options | |
58 | declare_labels lines_label callee_subprog_label | |
59 | ||
60 | get_func_info main $build_options | |
61 | ||
62 | cu {} { | |
63 | compile_unit { | |
64 | {producer "gcc" } | |
65 | {language @DW_LANG_C} | |
66 | {name ${srcfile3}} | |
67 | {low_pc 0 addr} | |
68 | {stmt_list ${lines_label} DW_FORM_sec_offset} | |
69 | } { | |
70 | callee_subprog_label: subprogram { | |
71 | {external 1 flag} | |
72 | {name callee} | |
73 | {inline 3 data1} | |
74 | } | |
75 | subprogram { | |
76 | {external 1 flag} | |
77 | {name main} | |
78 | {low_pc $main_start addr} | |
79 | {high_pc "$main_start + $main_len" addr} | |
80 | } { | |
81 | inlined_subroutine { | |
82 | {abstract_origin %$callee_subprog_label} | |
83 | {low_pc line_label_3 addr} | |
84 | {high_pc line_label_5 addr} | |
85 | {call_file 1 data1} | |
86 | {call_line 18 data1} | |
87 | } | |
88 | } | |
89 | } | |
90 | } | |
91 | ||
92 | lines {version 2 default_is_stmt 1} lines_label { | |
93 | include_dir "${srcdir}/${subdir}" | |
94 | file_name "$srcfile3" 1 | |
95 | file_name "$srcfile4" 1 | |
96 | ||
97 | program { | |
d4c4a229 SM |
98 | DW_LNE_set_address line_label_1 |
99 | DW_LNS_advance_line 15 | |
100 | DW_LNS_copy | |
101 | ||
102 | DW_LNE_set_address line_label_2 | |
103 | DW_LNS_advance_line 1 | |
104 | DW_LNS_copy | |
105 | ||
106 | DW_LNS_set_file 2 | |
107 | DW_LNE_set_address line_label_3 | |
108 | DW_LNS_advance_line 4 | |
109 | DW_LNS_copy | |
110 | ||
111 | DW_LNE_set_address line_label_4 | |
112 | DW_LNS_advance_line 1 | |
113 | DW_LNS_copy | |
114 | ||
115 | DW_LNS_advance_line -4 | |
116 | DW_LNS_set_file 1 | |
117 | DW_LNS_negate_stmt | |
118 | DW_LNS_copy | |
119 | ||
120 | DW_LNE_set_address line_label_5 | |
121 | DW_LNS_advance_line 1 | |
122 | DW_LNS_copy | |
123 | ||
124 | DW_LNE_set_address line_label_6 | |
125 | DW_LNS_advance_line 1 | |
126 | DW_LNS_negate_stmt | |
127 | DW_LNS_copy | |
128 | ||
129 | DW_LNE_set_address line_label_7 | |
130 | DW_LNE_end_sequence | |
1313c56e AB |
131 | } |
132 | } | |
133 | } | |
134 | ||
135 | if { [prepare_for_testing "failed to prepare" ${testfile} \ | |
136 | [list $srcfile $asm_file] $build_options] } { | |
137 | return -1 | |
138 | } | |
139 | ||
140 | if ![runto_main] { | |
141 | return -1 | |
142 | } | |
143 | ||
144 | # Delete all breakpoints so that the output of "info breakpoints" | |
145 | # below will only contain a single breakpoint. | |
146 | delete_breakpoints | |
147 | ||
148 | # Place a breakpoint within the function in the header file. | |
149 | gdb_breakpoint "${srcfile4}:22" | |
150 | ||
151 | # Check that the breakpoint was placed where we expected. It should | |
152 | # appear at the requested line. When the bug in GDB was present the | |
153 | # breakpoint would be placed on one of the following lines instead. | |
154 | gdb_test "info breakpoints" \ | |
155 | ".* in callee at \[^\r\n\]+${srcfile4}:22\\y.*" | |
156 | ||
157 | gdb_continue_to_breakpoint "${srcfile4}:22" \ | |
158 | ".* ${srcfile4} : 22 .*" | |
159 | ||
160 | # Now single instruction step forward. Eventually we should hit | |
161 | # ${srcfile3}:20, but before we do we should hit the non-statement | |
162 | # line ${srcfile3}:19. | |
163 | # | |
164 | # We don't know how many instructions we'll need to step, but 100 | |
165 | # should be enough for everyone (surely), and this stops us looping | |
166 | # forever if something goes wrong. | |
167 | set found_line_19 0 | |
168 | set found_line_20 0 | |
169 | set keep_going 1 | |
170 | for { set i 0 } { $i < 100 && $keep_going } { incr i } { | |
171 | set keep_going 0 | |
172 | gdb_test_multiple "stepi" "stepi ${i}" { | |
173 | -re "${srcfile3} : 19 .*${gdb_prompt} " { | |
174 | set found_line_19 1 | |
175 | set keep_going 1 | |
176 | } | |
177 | ||
178 | -re "${srcfile3} : 20 .*${gdb_prompt} " { | |
179 | set found_line_20 1 | |
180 | } | |
181 | ||
182 | -re "${srcfile4} : 22 .*${gdb_prompt} " { | |
183 | # Not left line 22 yet. | |
184 | set keep_going 1 | |
185 | } | |
186 | } | |
187 | } | |
188 | ||
189 | gdb_assert { $found_line_19 && $found_line_20 } \ | |
190 | "found line 19 and 20" |