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# Copyright 2007-2024 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.
require dwarf2_support
standard_testfile .c .S
set asm_file [standard_output_file $srcfile2]
Dwarf::assemble $asm_file {
global srcdir subdir srcfile srcfile2
declare_labels lines_label
get_func_info main
cu {} {
compile_unit {
{language @DW_LANG_C}
{name $srcfile}
{stmt_list ${lines_label} DW_FORM_sec_offset}
} {
declare_labels integer_label
set int_size [get_sizeof "int" 4]
integer_label: DW_TAG_base_type {
{DW_AT_byte_size $int_size DW_FORM_sdata}
{DW_AT_encoding @DW_ATE_signed}
{DW_AT_name int}
}
DW_TAG_subprogram {
{external 1 flag}
{name main}
{low_pc $main_start addr}
{high_pc "$main_start + $main_len" addr}
}
DW_TAG_variable {
{DW_AT_name file_locno_resolvable}
{DW_AT_type :$integer_label}
}
DW_TAG_variable {
{DW_AT_name file_locno_unresolvable}
{DW_AT_type :$integer_label}
}
DW_TAG_variable {
{DW_AT_name file_locempty_resolvable}
{DW_AT_type :$integer_label}
{DW_AT_location {} DW_FORM_block1}
}
DW_TAG_variable {
{DW_AT_name file_locempty_unresolvable}
{DW_AT_type :$integer_label}
{DW_AT_location {} DW_FORM_block1}
}
DW_TAG_variable {
{DW_AT_name file_locaddr_resolvable}
{DW_AT_type :$integer_label}
{DW_AT_location {
DW_OP_addr [gdb_target_symbol file_locaddr_resolvable]
} SPECIAL_expr}
}
DW_TAG_variable {
{DW_AT_name file_locaddr_unresolvable}
{DW_AT_type :$integer_label}
{DW_AT_location {
DW_OP_addr [gdb_target_symbol file_locaddr_resolvable]
} SPECIAL_expr}
}
DW_TAG_variable {
{DW_AT_name file_extern_locno_resolvable}
{DW_AT_type :$integer_label}
{DW_AT_external 1 flag}
}
DW_TAG_variable {
{DW_AT_name file_extern_locno_unresolvable}
{DW_AT_type :$integer_label}
{DW_AT_external 1 flag}
}
DW_TAG_variable {
{DW_AT_name file_extern_locempty_resolvable}
{DW_AT_type :$integer_label}
{DW_AT_external 1 flag}
{DW_AT_location {} DW_FORM_block1}
}
DW_TAG_variable {
{DW_AT_name file_extern_locempty_unresolvable}
{DW_AT_type :$integer_label}
{DW_AT_external 1 flag}
{DW_AT_location {} DW_FORM_block1}
}
DW_TAG_variable {
{DW_AT_name file_extern_locaddr_resolvable}
{DW_AT_type :$integer_label}
{DW_AT_external 1 flag}
{DW_AT_location {
DW_OP_addr [gdb_target_symbol file_extern_locaddr_resolvable]
} SPECIAL_expr}
}
DW_TAG_variable {
{DW_AT_name file_extern_locaddr_unresolvable}
{DW_AT_type :$integer_label}
{DW_AT_external 1 flag}
{DW_AT_location {
DW_OP_addr [gdb_target_symbol file_extern_locaddr_resolvable]
} SPECIAL_expr}
}
DW_TAG_variable {
{DW_AT_name main_local_locno_resolvable}
{DW_AT_type :$integer_label}
}
DW_TAG_variable {
{DW_AT_name main_local_locno_unresolvable}
{DW_AT_type :$integer_label}
}
DW_TAG_variable {
{DW_AT_name main_local_locempty_resolvable}
{DW_AT_type :$integer_label}
{DW_AT_location {} DW_FORM_block1}
}
DW_TAG_variable {
{DW_AT_name main_local_locempty_unresolvable}
{DW_AT_type :$integer_label}
{DW_AT_location {} DW_FORM_block1}
}
DW_TAG_variable {
{DW_AT_name main_local_locaddr_resolvable}
{DW_AT_type :$integer_label}
{DW_AT_location {
DW_OP_addr [gdb_target_symbol main_local_locaddr_resolvable]
} SPECIAL_expr}
}
DW_TAG_variable {
{DW_AT_name main_local_locaddr_unresolvable}
{DW_AT_type :$integer_label}
{DW_AT_location {
DW_OP_addr [gdb_target_symbol main_local_locaddr_resolvable]
} SPECIAL_expr}
}
DW_TAG_variable {
{DW_AT_name main_extern_locno_resolvable}
{DW_AT_type :$integer_label}
{DW_AT_external 1 flag}
}
DW_TAG_variable {
{DW_AT_name main_extern_locno_unresolvable}
{DW_AT_type :$integer_label}
{DW_AT_external 1 flag}
}
DW_TAG_variable {
{DW_AT_name main_extern_locempty_resolvable}
{DW_AT_type :$integer_label}
{DW_AT_external 1 flag}
{DW_AT_location {} DW_FORM_block1}
}
DW_TAG_variable {
{DW_AT_name main_extern_locempty_unresolvable}
{DW_AT_type :$integer_label}
{DW_AT_external 1 flag}
{DW_AT_location {} DW_FORM_block1}
}
DW_TAG_variable {
{DW_AT_name main_extern_locaddr_resolvable}
{DW_AT_type :$integer_label}
{DW_AT_external 1 flag}
{DW_AT_location {
DW_OP_addr [gdb_target_symbol main_extern_locaddr_resolvable]
} SPECIAL_expr}
}
DW_TAG_variable {
{DW_AT_name main_extern_locaddr_unresolvable}
{DW_AT_type :$integer_label}
{DW_AT_external 1 flag}
{DW_AT_location {
DW_OP_addr [gdb_target_symbol main_extern_locaddr_resolvable]
} SPECIAL_expr}
}
}
}
lines {version 5} lines_label {
set diridx [include_dir "${srcdir}/${subdir}"]
file_name "$srcfile" $diridx
program {
DW_LNS_set_file $diridx
DW_LNE_set_address $main_start
line [gdb_get_line_number "main start"]
DW_LNS_set_prologue_end
DW_LNS_copy
DW_LNE_set_address $main_end
DW_LNE_end_sequence
}
}
}
if { [prepare_for_testing "failed to prepare" ${testfile} [list $srcfile $asm_file] {nodebug}] } {
return -1
}
# Symbols have the form: {file,main}_loc{addr,empty,no}_{,un}resolvable
# file: Symbol DIE is placed in DW_TAG_compile_unit.
# main: Symbol DIE is placed in DW_TAG_subprogram.
# locaddr: DW_AT_location is using DW_FORM_block DW_OP_addr <addr>.
# locempty: DW_AT_location has zero DW_FORM_block size.
# locno: DW_AT_location is not present.
# resolvable: .symtab entry exists for this symbol name.
# unresolvable: .symtab entry does not exist for this symbol name.
# DW_AT_declaration is not present in any of these DIEs.
proc file_symbols {type} {
with_test_prefix "$type" {
global gdb_prompt
gdb_test "print file_locaddr_resolvable" "= 1234567890"
gdb_test "ptype file_locaddr_resolvable" "type = int"
gdb_test "print file_locaddr_unresolvable" "= 1234567890"
gdb_test "ptype file_locaddr_unresolvable" "type = int"
gdb_test "print file_locempty_resolvable" "= <optimized out>"
gdb_test "ptype file_locempty_resolvable" "type = int"
gdb_test "print file_locempty_unresolvable" "= <optimized out>"
gdb_test "ptype file_locempty_unresolvable" "type = int"
gdb_test "print file_locno_resolvable" "= <optimized out>"
gdb_test "ptype file_locno_resolvable" "type = int"
gdb_test "print file_locno_unresolvable" "= <optimized out>"
gdb_test "ptype file_locno_unresolvable" "type = int"
gdb_test "print file_extern_locaddr_resolvable" "= 1234567890"
gdb_test "ptype file_extern_locaddr_resolvable" "type = int"
gdb_test "print file_extern_locaddr_unresolvable" "= 1234567890"
gdb_test "ptype file_extern_locaddr_unresolvable" "type = int"
gdb_test "print file_extern_locempty_resolvable" "= <optimized out>"
gdb_test "ptype file_extern_locempty_resolvable" "type = int"
gdb_test "print file_extern_locempty_unresolvable" "= <optimized out>"
gdb_test "ptype file_extern_locempty_unresolvable" "type = int"
gdb_test "print file_extern_locno_resolvable" "= 1234567890"
gdb_test "ptype file_extern_locno_resolvable" "type = int"
# `print file_extern_locno_unresolvable' currently prints
# Address of symbol "file_extern_locno_unresolvable" is unknown.
# As DW_AT_declaration is not present in this DIE
# it should print <optimized out>. As usefulness of such DIE is not
# clear its resolution is not being tested.
}
}
file_symbols no-run
if ![runto_main] {
return -1
}
file_symbols in-main
gdb_test "print main_local_locaddr_resolvable" "= 1234567890"
gdb_test "ptype main_local_locaddr_resolvable" "type = int"
gdb_test "print main_local_locaddr_unresolvable" "= 1234567890"
gdb_test "ptype main_local_locaddr_unresolvable" "type = int"
gdb_test "print main_local_locempty_resolvable" "= <optimized out>"
gdb_test "ptype main_local_locempty_resolvable" "type = int"
gdb_test "print main_local_locempty_unresolvable" "= <optimized out>"
gdb_test "ptype main_local_locempty_unresolvable" "type = int"
gdb_test "print main_local_locno_resolvable" "= <optimized out>"
gdb_test "ptype main_local_locno_resolvable" "type = int"
gdb_test "print main_local_locno_unresolvable" "= <optimized out>"
gdb_test "ptype main_local_locno_unresolvable" "type = int"
gdb_test "print main_extern_locaddr_resolvable" "= 1234567890"
gdb_test "ptype main_extern_locaddr_resolvable" "type = int"
gdb_test "print main_extern_locaddr_unresolvable" "= 1234567890"
gdb_test "ptype main_extern_locaddr_unresolvable" "type = int"
gdb_test "print main_extern_locempty_resolvable" "= <optimized out>"
gdb_test "ptype main_extern_locempty_resolvable" "type = int"
gdb_test "print main_extern_locempty_unresolvable" "= <optimized out>"
gdb_test "ptype main_extern_locempty_unresolvable" "type = int"
gdb_test "print main_extern_locno_resolvable" "= 1234567890"
gdb_test "ptype main_extern_locno_resolvable" "type = int"
# For `main_extern_locno_unresolvable' see `file_extern_locno_unresolvable'.
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