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1d506c26 | 1 | # Copyright 2022-2024 Free Software Foundation, Inc. |
cc96ae7f LS |
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 | # Check that GDB can honor the prologue_end flag the compiler can place | |
17 | # in the line-table data. | |
18 | ||
19 | load_lib dwarf.exp | |
20 | ||
21 | # This test can only be run on targets which support DWARF-2 and use gas. | |
ce8d533e | 22 | require dwarf2_support |
cc96ae7f LS |
23 | |
24 | standard_testfile .c .S | |
25 | ||
26 | set asm_file [standard_output_file $srcfile2] | |
27 | Dwarf::assemble $asm_file { | |
28 | global srcdir subdir srcfile srcfile2 | |
29 | declare_labels lines_label | |
30 | ||
31 | get_func_info main | |
32 | ||
33 | cu {} { | |
34 | compile_unit { | |
35 | {language @DW_LANG_C} | |
36 | {name dw2-prologue-end.c} | |
37 | {stmt_list ${lines_label} DW_FORM_sec_offset} | |
38 | } { | |
39 | subprogram { | |
40 | {external 1 flag} | |
41 | {name main} | |
42 | {low_pc $main_start addr} | |
43 | {high_pc "$main_start + $main_len" addr} | |
44 | } | |
45 | } | |
46 | } | |
47 | ||
48 | lines {version 5} lines_label { | |
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49 | set diridx [include_dir "${srcdir}/${subdir}"] |
50 | file_name "$srcfile" $diridx | |
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51 | |
52 | program { | |
9a0de6ab | 53 | DW_LNS_set_file $diridx |
d4c4a229 SM |
54 | DW_LNE_set_address $main_start |
55 | line [gdb_get_line_number "main prologue"] | |
56 | DW_LNS_copy | |
cc96ae7f | 57 | |
d4c4a229 SM |
58 | DW_LNE_set_address main_label |
59 | line [gdb_get_line_number "main assign m"] | |
60 | DW_LNS_copy | |
cc96ae7f | 61 | |
d4c4a229 SM |
62 | DW_LNE_set_address main_assign_n |
63 | line [gdb_get_line_number "main assign n"] | |
64 | DW_LNS_copy | |
cc96ae7f | 65 | |
d4c4a229 SM |
66 | DW_LNE_set_address main_end_prologue |
67 | line [gdb_get_line_number "main assign o"] | |
68 | DW_LNS_set_prologue_end | |
69 | DW_LNS_copy | |
cc96ae7f | 70 | |
d4c4a229 SM |
71 | DW_LNE_set_address main_end |
72 | line [gdb_get_line_number "main end"] | |
73 | DW_LNS_copy | |
cc96ae7f | 74 | |
d4c4a229 | 75 | DW_LNE_end_sequence |
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76 | } |
77 | } | |
78 | } | |
79 | ||
80 | if { [prepare_for_testing "failed to prepare" ${testfile} \ | |
81 | [list $srcfile $asm_file] {nodebug}] } { | |
82 | return -1 | |
83 | } | |
84 | ||
85 | if ![runto_main] { | |
86 | return -1 | |
87 | } | |
88 | ||
89 | set prologue_end_line [gdb_get_line_number "main assign o"] | |
90 | gdb_test "frame" ".*main \\\(\\\) at \[^\r\n\]*:$prologue_end_line\r\n.*" | |
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91 | |
92 | with_test_prefix "ignore-prologue-end" { | |
93 | clean_restart $binfile | |
94 | gdb_test_no_output "maintenance set ignore-prologue-end-flag on" | |
95 | ||
96 | if ![runto_main] { | |
97 | return -1 | |
98 | } | |
99 | ||
100 | # If we ignore the prologue-end flag, we should stop at the first statement | |
101 | # of main which assigns m. | |
102 | set prologue_end_line [gdb_get_line_number "main assign m"] | |
103 | gdb_test "frame" ".*main \\\(\\\) at \[^\r\n\]*:$prologue_end_line\r\n.*" | |
104 | } |