blob: 7727a73e85f27c48e6c46a49901d8079e795df49 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
|
# Copyright 2015-2017 Free Software Foundation, Inc.
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
load_lib dwarf.exp
# Test DW_TAG_compile_unit with no children and with neither DW_AT_low_pc nor
# DW_AT_high_pc but with DW_AT_ranges instead.
# This test can only be run on targets which support DWARF-2 and use gas.
if {![dwarf2_support]} {
verbose "Skipping DW_AT_ranges test."
return 0
}
# The .c files use __attribute__.
if [get_compiler_info] {
return -1
}
if !$gcc_compiled {
verbose "Skipping DW_AT_ranges test."
return 0
}
standard_testfile dw2-ranges-base.c dw2-ranges-base-dw.S
set asm_file [standard_output_file $srcfile2]
Dwarf::assemble $asm_file {
global srcdir subdir srcfile srcfile2
declare_labels ranges_label
declare_labels L
# Find start address and length for our functions.
set main_func \
[function_range main [list ${srcdir}/${subdir}/$srcfile]]
set frame2_func \
[function_range frame2 [list ${srcdir}/${subdir}/$srcfile]]
set frame3_func \
[function_range frame3 [list ${srcdir}/${subdir}/$srcfile]]
# Very simple info for this test program. We don't care about
# this information being correct (w.r.t. funtion / argument types)
# just so long as the compilation using makes use of the
# .debug_ranges data then the test achieves its objective.
cu {} {
compile_unit {
{language @DW_LANG_C}
{name dw-ranges-base.c}
{stmt_list $L DW_FORM_sec_offset}
{ranges ${ranges_label} DW_FORM_sec_offset}
} {
subprogram {
{external 1 flag}
{name main}
}
subprogram {
{external 1 flag}
{name frame2}
}
subprogram {
{external 1 flag}
{name frame3}
}
}
}
lines {version 2} L {
include_dir "${srcdir}/${subdir}"
file_name "$srcfile" 1
# Generate simple line table program. The line table
# information contained here is not correct, and we really
# don't care, just so long as each function has some line
# table data associated with it. We do make use of the fake
# line numbers that we pick here in the tests below.
program {
{DW_LNE_set_address [lindex $main_func 0]}
{DW_LNS_advance_line 10}
{DW_LNS_copy}
{DW_LNS_advance_pc [lindex $main_func 1]}
{DW_LNS_advance_line 19}
{DW_LNS_copy}
{DW_LNE_end_sequence}
{DW_LNE_set_address [lindex $frame2_func 0]}
{DW_LNS_advance_line 20}
{DW_LNS_copy}
{DW_LNS_advance_pc [lindex $frame2_func 1]}
{DW_LNS_advance_line 29}
{DW_LNS_copy}
{DW_LNE_end_sequence}
{DW_LNE_set_address [lindex $frame3_func 0]}
{DW_LNS_advance_line 30}
{DW_LNS_copy}
{DW_LNS_advance_pc [lindex $frame3_func 1]}
{DW_LNS_advance_line 39}
{DW_LNS_copy}
{DW_LNE_end_sequence}
}
}
# Generate ranges data. This is the point of this whole test
# file, we must have multiple bases specified, so we use a new
# base for each function.
ranges {is_64 [is_64_target]} {
ranges_label: sequence {
{base [lindex $main_func 0]}
{range 0 [lindex $main_func 1]}
{base [lindex $frame2_func 0]}
{range 0 [lindex $frame2_func 1]}
{base [lindex $frame3_func 0]}
{range 0 [lindex $frame3_func 1]}
}
}
}
if { [prepare_for_testing "failed to prepare" ${testfile} \
[list $srcfile $asm_file] {nodebug}] } {
return -1
}
if ![runto_main] {
return -1
}
# Make use of the line numbers we faked in the .debug_line table above.
gdb_test "info line main" \
"Line 11 of .* starts at address .* and ends at .*"
gdb_test "info line frame2" \
"Line 21 of .* starts at address .* and ends at .*"
gdb_test "info line frame3" \
"Line 31 of .* starts at address .* and ends at .*"
|
