156 lines
3.6 KiB
Plaintext
156 lines
3.6 KiB
Plaintext
# 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 <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 main.c
|
|
|
|
proc test { dwarf_version offset_size addr_size ref_addr_size two_cu } {
|
|
global testfile srcfile
|
|
|
|
set name "d${dwarf_version}o${offset_size}a${addr_size}r${ref_addr_size}t${two_cu}"
|
|
|
|
# Make some DWARF for the test.
|
|
set asm_file [standard_output_file ${testfile}-${name}.S]
|
|
Dwarf::assemble $asm_file {
|
|
upvar dwarf_version dwarf_version
|
|
upvar addr_size addr_size
|
|
upvar offset_size offset_size
|
|
upvar ref_addr_size ref_addr_size
|
|
upvar two_cu two_cu
|
|
|
|
set is_64 [expr { $offset_size == 4 ? 0 : 1 }]
|
|
|
|
cu {
|
|
version $dwarf_version
|
|
addr_size $addr_size
|
|
is_64 $is_64
|
|
} {
|
|
compile_unit {
|
|
{ producer "GNU C 4.4.3" }
|
|
{ language @DW_LANG_C89 }
|
|
{ name 1.c }
|
|
} {
|
|
declare_labels struct_label variable_label int_label pointer_label
|
|
|
|
int_label: base_type {
|
|
{ byte_size 4 DW_FORM_sdata }
|
|
{ DW_AT_encoding @DW_ATE_signed }
|
|
{ name int }
|
|
}
|
|
|
|
struct_label: structure_type {
|
|
{ name s }
|
|
{ byte_size 4 sdata }
|
|
} {
|
|
member {
|
|
{ name f }
|
|
{ type :$int_label }
|
|
{ data_member_location 0 data1 }
|
|
}
|
|
}
|
|
|
|
pointer_label: pointer_type {
|
|
{ byte_size $Dwarf::_cu_addr_size sdata }
|
|
{ type :$struct_label }
|
|
}
|
|
|
|
variable_label: DW_TAG_variable {
|
|
{ name v }
|
|
{ location {
|
|
DW_OP_implicit_value 0x1 0x1 0x1 0x1
|
|
} SPECIAL_expr}
|
|
{ type :$struct_label "DW_FORM_ref$ref_addr_size" }
|
|
}
|
|
|
|
if { !$two_cu } {
|
|
subprogram {
|
|
{ name main }
|
|
{ low_pc main addr }
|
|
{ high_pc "main+0x100" addr }
|
|
{ type :$int_label }
|
|
{ external 1 flag }
|
|
} {
|
|
DW_TAG_variable {
|
|
{ name p }
|
|
{ location {
|
|
GNU_implicit_pointer $variable_label 0
|
|
} SPECIAL_expr }
|
|
{ type :$pointer_label "DW_FORM_ref$ref_addr_size" }
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if { $two_cu } {
|
|
cu {
|
|
version $dwarf_version
|
|
addr_size $addr_size
|
|
is_64 $is_64
|
|
} {
|
|
compile_unit {
|
|
{ producer "GNU C 4.4.3" }
|
|
{ language @DW_LANG_C89 }
|
|
{ name 1.c }
|
|
} {
|
|
subprogram {
|
|
{ name main }
|
|
{ low_pc main addr }
|
|
{ high_pc "main+0x100" addr }
|
|
{ type %$int_label }
|
|
{ external 1 flag }
|
|
} {
|
|
DW_TAG_variable {
|
|
{ name p }
|
|
{ location {
|
|
GNU_implicit_pointer $variable_label 0
|
|
} SPECIAL_expr }
|
|
{ type %$pointer_label }
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
# 32-bit targets do not support any of the testcases; keep quiet there.
|
|
set opts {quiet}
|
|
set executable ${testfile}-${name}
|
|
if [prepare_for_testing "failed to prepare" $executable "${asm_file} ${srcfile}" $opts] {
|
|
return -1
|
|
}
|
|
|
|
if ![runto_main] {
|
|
return -1
|
|
}
|
|
|
|
gdb_test "p/x p->f" " = 0x1010101" $name
|
|
}
|
|
|
|
# DWARF_VERSION OFFSET_SIZE ADDR_SIZE REF_ADDR_SIZE TWO_CU
|
|
test 2 8 4 4 0
|
|
test 2 4 8 8 0
|
|
test 3 8 4 8 0
|
|
test 3 4 8 4 0
|
|
test 2 8 4 4 1
|
|
test 2 4 8 8 1
|
|
test 3 8 4 8 1
|
|
test 3 4 8 4 1
|