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# Copyright 2020-2022 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/>.
# Setup a line table where:
#
# | Addr | File | Line | Stmt | Inline |
# |------|------|------|------|--------|
# | 1 | 1 | 16 | Y | |
# | 2 | 1 | 17 | Y | |
# | 3 | 2 | 21 | Y | X |
# | 4 | 2 | 22 | Y | X |
# | 4 | 1 | 18 | N | |
# | 5 | 1 | 19 | N | |
# | 6 | 1 | 20 | Y | |
# | 7 | 1 | END | Y | |
# |------|------|------|------|--------|
#
# Break at file 2, line 22, then single instruction step forward. We
# should pass through line 19 and then encounter line 20.
#
# Currently we don't expect GDB to see file 1, line 18, as this is a
# non-stmt line in a different file at the same address as the
# previous is-stmt line.
load_lib dwarf.exp
# This test can only be run on targets which support DWARF-2 and use gas.
if {![dwarf2_support]} {
return 0
}
# The .c files use __attribute__.
if [get_compiler_info] {
return -1
}
if !$gcc_compiled {
return 0
}
standard_testfile dw2-inline-header-lbls.c dw2-inline-header.S \
dw2-inline-header.c dw2-inline-header.h
set build_options {nodebug optimize=-O1}
set asm_file [standard_output_file $srcfile2]
Dwarf::assemble $asm_file {
global srcdir subdir srcfile srcfile3 srcfile4
global build_options
declare_labels lines_label callee_subprog_label
get_func_info main $build_options
cu {} {
compile_unit {
{producer "gcc" }
{language @DW_LANG_C}
{name ${srcfile3}}
{low_pc 0 addr}
{stmt_list ${lines_label} DW_FORM_sec_offset}
} {
callee_subprog_label: subprogram {
{external 1 flag}
{name callee}
{inline 3 data1}
}
subprogram {
{external 1 flag}
{name main}
{low_pc $main_start addr}
{high_pc "$main_start + $main_len" addr}
} {
inlined_subroutine {
{abstract_origin %$callee_subprog_label}
{low_pc line_label_3 addr}
{high_pc line_label_5 addr}
{call_file 1 data1}
{call_line 18 data1}
}
}
}
}
lines {version 2 default_is_stmt 1} lines_label {
include_dir "${srcdir}/${subdir}"
file_name "$srcfile3" 1
file_name "$srcfile4" 1
program {
DW_LNE_set_address line_label_1
DW_LNS_advance_line 15
DW_LNS_copy
DW_LNE_set_address line_label_2
DW_LNS_advance_line 1
DW_LNS_copy
DW_LNS_set_file 2
DW_LNE_set_address line_label_3
DW_LNS_advance_line 4
DW_LNS_copy
DW_LNE_set_address line_label_4
DW_LNS_advance_line 1
DW_LNS_copy
DW_LNS_advance_line -4
DW_LNS_set_file 1
DW_LNS_negate_stmt
DW_LNS_copy
DW_LNE_set_address line_label_5
DW_LNS_advance_line 1
DW_LNS_copy
DW_LNE_set_address line_label_6
DW_LNS_advance_line 1
DW_LNS_negate_stmt
DW_LNS_copy
DW_LNE_set_address line_label_7
DW_LNE_end_sequence
}
}
}
if { [prepare_for_testing "failed to prepare" ${testfile} \
[list $srcfile $asm_file] $build_options] } {
return -1
}
if ![runto_main] {
return -1
}
# Delete all breakpoints so that the output of "info breakpoints"
# below will only contain a single breakpoint.
delete_breakpoints
# Place a breakpoint within the function in the header file.
gdb_breakpoint "${srcfile4}:22"
# Check that the breakpoint was placed where we expected. It should
# appear at the requested line. When the bug in GDB was present the
# breakpoint would be placed on one of the following lines instead.
gdb_test "info breakpoints" \
".* in callee at \[^\r\n\]+${srcfile4}:22\\y.*"
gdb_continue_to_breakpoint "${srcfile4}:22" \
".* ${srcfile4} : 22 .*"
# Now single instruction step forward. Eventually we should hit
# ${srcfile3}:20, but before we do we should hit the non-statement
# line ${srcfile3}:19.
#
# We don't know how many instructions we'll need to step, but 100
# should be enough for everyone (surely), and this stops us looping
# forever if something goes wrong.
set found_line_19 0
set found_line_20 0
set keep_going 1
for { set i 0 } { $i < 100 && $keep_going } { incr i } {
set keep_going 0
gdb_test_multiple "stepi" "stepi ${i}" {
-re "${srcfile3} : 19 .*${gdb_prompt} " {
set found_line_19 1
set keep_going 1
}
-re "${srcfile3} : 20 .*${gdb_prompt} " {
set found_line_20 1
}
-re "${srcfile4} : 22 .*${gdb_prompt} " {
# Not left line 22 yet.
set keep_going 1
}
}
}
gdb_assert { $found_line_19 && $found_line_20 } \
"found line 19 and 20"
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