# Copyright 2011-2020 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 .
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 main.c .S
set executable ${testfile}
# Create the DWARF.
set asm_file [standard_output_file $srcfile2]
Dwarf::assemble $asm_file {
cu { version 3 addr_size 4 } {
compile_unit {
{producer "GNU C 4.4.3"}
{language @DW_LANG_C89}
{name 1.c}
} {
declare_labels int_label struct_label pointer_label variable_label
int_label: base_type {
{byte_size 4 sdata}
{encoding @DW_ATE_signed}
{name int}
}
struct_label: structure_type {
{name s}
{byte_size 4 sdata}
} {
member {
{name f}
{type :$int_label}
{data_member_location 0 data1}
}
}
subprogram {
{MACRO_AT_func { main }}
{type :$int_label}
{external 1 flag}
} {
pointer_label: pointer_type {
{byte_size 4 sdata}
{type :$struct_label}
}
variable_label: DW_TAG_variable {
{name v}
{location {} DW_FORM_block1}
{type :$struct_label}
}
DW_TAG_variable {
{name p}
{location {
GNU_implicit_pointer $variable_label 0
} SPECIAL_expr}
{type :$pointer_label}
}
}
}
}
}
if [prepare_for_testing "failed to prepare" $executable "${asm_file} ${srcfile}" {}] {
return -1
}
# DW_OP_GNU_implicit_pointer implementation requires a valid frame.
if ![runto_main] {
return -1
}
gdb_test "p p->f" " = "