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# Copyright 2020 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/>.
load_lib dwarf.exp
# This test can only be run on targets which support DWARF-2 and use gas.
if {![dwarf2_support]} {
return 0
}
standard_testfile clang-debug-names.c clang-debug-names-debug.S
# Set up the DWARF for the test.
set main_str_label [Dwarf::_compute_label info_string3]
set int_str_label [Dwarf::_compute_label info_string4]
set main_die_label [Dwarf::_compute_label main_die_label]
set int_die_label [Dwarf::_compute_label int_die_label]
set debug_str \
[list \
"$main_str_label:" \
" .asciz \"main\"" \
"$int_str_label:" \
" .asciz \"int\""]
set debug_names \
[list \
" .4byte .Ldebug_names_end - .Ldebug_names_start" \
".Ldebug_names_start:" \
" .short 5 # Header: version" \
" .short 0 # Header: padding" \
" .long 1 # Header: compilation unit count" \
" .long 0 # Header: local type unit count" \
" .long 0 # Header: foreign type unit count" \
" .long 2 # Header: bucket count" \
" .long 2 # Header: name count" \
" .long .Lnames_abbrev_end0-.Lnames_abbrev_start0 " \
" # Header: abbreviation table size" \
" .long 8 # Header: augmentation string size" \
" .ascii \"LLVM0700\" # Header: augmentation string" \
" .long .Lcu1_begin # Compilation unit 0" \
" .long 1 # Bucket 0" \
" .long 0 # Bucket 1" \
" .long 193495088 # Hash in Bucket 0" \
" .long 2090499946 # Hash in Bucket 0" \
" .long $int_str_label # String in Bucket 0: int" \
" .long $main_str_label # String in Bucket 0: main" \
" .long .Lnames1-.Lnames_entries0 # Offset in Bucket 0" \
" .long .Lnames0-.Lnames_entries0 # Offset in Bucket 0" \
".Lnames_abbrev_start0:" \
" .byte 46 # Abbrev code" \
" .byte 46 # DW_TAG_subprogram" \
" .byte 3 # DW_IDX_die_offset" \
" .byte 19 # DW_FORM_ref4" \
" .byte 0 # End of abbrev" \
" .byte 0 # End of abbrev" \
" .byte 36 # Abbrev code" \
" .byte 36 # DW_TAG_base_type" \
" .byte 3 # DW_IDX_die_offset" \
" .byte 19 # DW_FORM_ref4" \
" .byte 0 # End of abbrev" \
" .byte 0 # End of abbrev" \
" .byte 0 # End of abbrev list" \
".Lnames_abbrev_end0:" \
".Lnames_entries0:" \
".Lnames1:" \
" .byte 36 # Abbreviation code" \
" .long $int_die_label - .Lcu1_begin # DW_IDX_die_offset" \
" .long 0 # End of list: int" \
".Lnames0:" \
" .byte 46 # Abbreviation code" \
" .long $main_die_label - .Lcu1_begin # DW_IDX_die_offset" \
" .long 0 # End of list: main" \
" .p2align 2" \
".Ldebug_names_end:"]
set asm_file [standard_output_file $srcfile2]
Dwarf::assemble $asm_file {
global srcdir subdir srcfile
lassign [function_range main ${srcdir}/${subdir}/${srcfile}] \
main_start main_length
cu {} {
DW_TAG_compile_unit {
{DW_AT_language @DW_LANG_C}
{DW_AT_name clang-debug-names.c}
{DW_AT_comp_dir /tmp}
} {
global int_die_label
global main_die_label
define_label $int_die_label
base_type {
{name "int"}
{encoding @DW_ATE_signed}
{byte_size 4 DW_FORM_sdata}
}
define_label $main_die_label
subprogram {
{name main}
{type :$int_die_label}
{low_pc $main_start addr}
{high_pc "$main_start + $main_length" addr}
}
}
}
_defer_output .debug_str {
global debug_str
_emit [join $debug_str "\n"]
}
_defer_output .debug_names {
global debug_names
_emit [join $debug_names "\n"]
}
}
if { [prepare_for_testing "failed to prepare" ${testfile} \
[list $srcfile $asm_file] {nodebug}] } {
return -1
}
set cmd "ptype main"
set pass_re \
[multi_line \
$cmd \
"type = int \\(\\)"]
gdb_test $cmd $pass_re
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