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# Copyright 2021-2022 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/>.
# Check whether stepping out of a function works, in case:
# - the first insn after the call has an is-stmt=no entry
# - the next insn has an is-stmt=yes entry, for the same line number
#
# This sort of thing can occur in optimized code, f.i. here a slightly more
# elaborate case with another is-stmt=no entry (the one with line number 12)
# inbetween:
# INDEX LINE ADDRESS IS-STMT
# 12 13 0x00000000004003ed
# 13 12 0x00000000004003f2
# 14 13 0x00000000004003f4 Y
load_lib dwarf.exp
# This test can only be run on targets which support DWARF-2 and use gas.
if {![dwarf2_support]} {
verbose "Skipping $gdb_test_file_name."
return 0
}
# The .c files use __attribute__.
if [get_compiler_info] {
return -1
}
if !$gcc_compiled {
verbose "Skipping $gdb_test_file_name."
return 0
}
standard_testfile .c -dw.S
set asm_file [standard_output_file $srcfile2]
Dwarf::assemble $asm_file {
declare_labels Llines
global srcdir subdir srcfile
lassign [function_range main [list ${srcdir}/${subdir}/$srcfile]] \
main_start main_len
set main_end "$main_start + $main_len"
lassign [function_range main [list ${srcdir}/${subdir}/$srcfile]] \
bar_start bar_len
set bar_end "$bar_start + $bar_len"
cu {} {
compile_unit {
{language @DW_LANG_C}
{name $srcfile}
{stmt_list $Llines DW_FORM_sec_offset}
} {
subprogram {
{external 1 flag}
{MACRO_AT_func {main}}
}
subprogram {
{external 1 flag}
{MACRO_AT_func {bar}}
}
}
}
lines {version 2} Llines {
include_dir "${srcdir}/${subdir}"
file_name "$srcfile" 1
program {
{DW_LNE_set_address bar_label}
{line 26}
{DW_LNS_copy}
{DW_LNE_set_address $bar_end}
{DW_LNE_end_sequence}
{DW_LNE_set_address main_label}
{line 32}
{DW_LNS_copy}
{DW_LNE_set_address main_label_2}
{line 36}
{DW_LNS_negate_stmt}
{DW_LNS_copy}
{DW_LNS_negate_stmt}
{DW_LNE_set_address main_label_3}
{line 36}
{DW_LNS_copy}
{DW_LNE_set_address $main_end}
{DW_LNE_end_sequence}
}
}
}
if { [prepare_for_testing "failed to prepare" ${testfile} \
[list $srcfile $asm_file] {nodebug}] } {
return -1
}
if ![runto_main] {
return -1
}
# Step into bar.
gdb_breakpoint "bar"
gdb_continue_to_breakpoint "bar"
# Step out of bar.
gdb_test "step" [multi_line \
"main \\(\\) at \[^\r\n\]*$srcfile:36" \
"36\t\[^\r\n\]*"]
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