mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2025-01-06 12:09:26 +08:00
3666a04883
This commits the result of running gdb/copyright.py as per our Start
of New Year procedure...
gdb/ChangeLog
Update copyright year range in copyright header of all GDB files.
145 lines
4.0 KiB
Plaintext
145 lines
4.0 KiB
Plaintext
# Copyright 2020-2021 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 for an issue in GDB where buildsym_compunit::record_line was
|
|
# removing duplicate line table entries, but skip_prologue_using_sal
|
|
# depends on these duplicates to spot the end of the prologue.
|
|
#
|
|
# When the de-duplication was added this regression was not spotted as
|
|
# it requires a particular combination of a (very) small function
|
|
# being inlined into an also very small outer function.
|
|
#
|
|
# This test recreates the exact combination of line table entries that
|
|
# were seen in the original test using the Dejagnu DWARF compiler.
|
|
|
|
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 -lbls.c .S \
|
|
.c .h
|
|
|
|
set asm_file [standard_output_file $srcfile2]
|
|
Dwarf::assemble $asm_file {
|
|
global srcdir subdir srcfile srcfile3 srcfile4
|
|
declare_labels lines_label callee_subprog_label
|
|
|
|
get_func_info main {debug optimize=-O1}
|
|
|
|
cu {} {
|
|
# It is important that the producer here be 'clang' as, at the
|
|
# time of writing this, GCC for x86-64 doesn't make use of
|
|
# skip_prologue_using_sal, while clang does.
|
|
compile_unit {
|
|
{producer "clang xxxx" }
|
|
{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_1 addr}
|
|
{high_pc line_label_2 addr}
|
|
{call_file 1 data1}
|
|
{call_line 21 data1}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
lines {version 2 default_is_stmt 1} lines_label {
|
|
include_dir "${srcdir}/${subdir}"
|
|
file_name "$srcfile3" 1
|
|
file_name "$srcfile4" 1
|
|
|
|
set f1_l1 [gdb_get_line_number "caller: before call" $srcfile3]
|
|
set f1_l2 [gdb_get_line_number "caller: the call" $srcfile3]
|
|
set f1_l3 [gdb_get_line_number "caller: after call" $srcfile3]
|
|
|
|
set f2_l1 [gdb_get_line_number "callee: body" $srcfile4]
|
|
|
|
program {
|
|
{DW_LNE_set_address line_label_1}
|
|
{line $f1_l1}
|
|
{DW_LNS_copy}
|
|
|
|
{line ${f1_l2}}
|
|
{DW_LNS_copy}
|
|
|
|
{DW_LNS_set_file 2}
|
|
{line ${f2_l1}}
|
|
{DW_LNS_copy}
|
|
|
|
{DW_LNS_negate_stmt}
|
|
{DW_LNS_copy}
|
|
|
|
{DW_LNS_set_file 1}
|
|
{DW_LNE_set_address line_label_2}
|
|
{line ${f1_l3}}
|
|
{DW_LNS_copy}
|
|
|
|
{DW_LNE_set_address line_label_3}
|
|
{DW_LNS_copy}
|
|
{DW_LNE_end_sequence}
|
|
}
|
|
}
|
|
}
|
|
|
|
if { [prepare_for_testing "failed to prepare" ${testfile} \
|
|
[list $srcfile $asm_file] {nodebug optimize=-O1}] } {
|
|
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.
|
|
set linenum [gdb_get_line_number "callee: body" $srcfile4]
|
|
gdb_breakpoint "${srcfile4}:${linenum}"
|
|
|
|
# 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 \[^\r\n\]+${srcfile4}:${linenum}\\y.*"
|