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b811d2c2 | 1 | # Copyright 2018-2020 Free Software Foundation, Inc. |
05caa1d2 TT |
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 | load_lib dwarf.exp | |
17 | ||
18 | # Test that psymbols are made when DW_AT_ranges is used. | |
19 | ||
20 | # This test can only be run on targets which support DWARF-2 and use gas. | |
21 | if {![dwarf2_support]} { | |
22 | unsupported "dwarf2 support required for this test" | |
23 | return 0 | |
24 | } | |
25 | ||
26 | if [get_compiler_info] { | |
27 | return -1 | |
28 | } | |
29 | if !$gcc_compiled { | |
30 | unsupported "gcc required for this test" | |
31 | return 0 | |
32 | } | |
33 | ||
34 | standard_testfile dw2-ranges-main.c dw2-ranges-psym.c dw2-ranges-psym-dw.S | |
35 | ||
36 | # We need to know the size of integer and address types in order to | |
37 | # write some of the debugging info we'd like to generate. | |
38 | # | |
39 | # For that, we ask GDB by debugging our test program. Any program | |
40 | # would do, but since we already have it specifically for this | |
41 | # testcase, might as well use that. | |
42 | ||
43 | if { [prepare_for_testing "failed to prepare" ${testfile} \ | |
44 | [list ${srcfile} ${srcfile2}]] } { | |
45 | return -1 | |
46 | } | |
47 | ||
48 | set asm_file [standard_output_file $srcfile3] | |
49 | Dwarf::assemble $asm_file { | |
50 | global srcdir subdir srcfile srcfile2 | |
51 | declare_labels integer_label volatile_label func_ranges_label cu_ranges_label | |
52 | set int_size [get_sizeof "int" 4] | |
53 | ||
54 | # Find start address and length for our functions. | |
55 | set sources [list ${srcdir}/${subdir}/$srcfile ${srcdir}/${subdir}/$srcfile2] | |
56 | ||
57 | lassign [function_range foo $sources] \ | |
58 | foo_start foo_len | |
59 | set foo_end "$foo_start + $foo_len" | |
60 | ||
61 | lassign [function_range foo_low $sources] \ | |
62 | foo_low_start foo_low_len | |
63 | set foo_low_end "$foo_low_start + $foo_low_len" | |
64 | ||
65 | lassign [function_range bar $sources] \ | |
66 | bar_start bar_len | |
67 | set bar_end "$bar_start + $bar_len" | |
68 | ||
69 | lassign [function_range baz $sources] \ | |
70 | baz_start baz_len | |
71 | set baz_end "$baz_start + $baz_len" | |
72 | ||
73 | cu {} { | |
74 | compile_unit { | |
75 | {language @DW_LANG_C} | |
76 | {name dw-ranges-psym.c} | |
77 | {low_pc 0 addr} | |
78 | {ranges ${cu_ranges_label} DW_FORM_sec_offset} | |
79 | } { | |
80 | integer_label: DW_TAG_base_type { | |
81 | {DW_AT_byte_size $int_size DW_FORM_sdata} | |
82 | {DW_AT_encoding @DW_ATE_signed} | |
83 | {DW_AT_name integer} | |
84 | } | |
85 | volatile_label: DW_TAG_volatile_type { | |
86 | {type :$integer_label} | |
87 | } | |
88 | subprogram { | |
89 | {external 1 flag} | |
90 | {name someothername} | |
91 | {ranges ${func_ranges_label} DW_FORM_sec_offset} | |
92 | } | |
93 | subprogram { | |
94 | {external 1 flag} | |
95 | {name bar} | |
96 | {low_pc $bar_start addr} | |
97 | {high_pc $bar_len DW_FORM_data4} | |
98 | } | |
99 | subprogram { | |
100 | {external 1 flag} | |
101 | {name baz} | |
102 | {low_pc $baz_start addr} | |
103 | {high_pc $baz_len DW_FORM_data4} | |
104 | } | |
105 | } | |
106 | } | |
107 | ||
108 | # Generate ranges data. | |
109 | ranges {is_64 [is_64_target]} { | |
110 | func_ranges_label: sequence { | |
111 | {range {$foo_start } $foo_end} | |
112 | {range {$foo_low_start} $foo_low_end} | |
113 | } | |
114 | cu_ranges_label: sequence { | |
115 | {range {$foo_start } $foo_end} | |
116 | {range {$foo_low_start} $foo_low_end} | |
117 | {range {$bar_start} $bar_end} | |
118 | {range {$baz_start} $baz_end} | |
119 | } | |
120 | } | |
121 | } | |
122 | ||
123 | if { [prepare_for_testing "failed to prepare" ${testfile} \ | |
124 | [list $srcfile $srcfile2 $asm_file] {nodebug}] } { | |
125 | return -1 | |
126 | } | |
127 | ||
128 | if ![runto_main] { | |
129 | return -1 | |
130 | } | |
131 | ||
132 | # "someothername" should be put into the partial symbol table, but | |
133 | # there was a bug causing functions using DW_AT_ranges not to be. | |
134 | # Note we use a name that is very different from the linkage name, in | |
135 | # order to not set the breakpoint via minsyms. | |
136 | gdb_test "break someothername" \ | |
d1e36019 | 137 | "Breakpoint.*at.*" |