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101 lines
2.5 KiB
Plaintext
101 lines
2.5 KiB
Plaintext
# Copyright 2017-2020 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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load_lib dwarf.exp
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# This test can only be run on targets which support DWARF-2 and use gas.
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if {![dwarf2_support]} {
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return 0
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}
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standard_testfile main.c shortpiece-dw.S
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# Make some DWARF for the test.
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set asm_file [standard_output_file $srcfile2]
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Dwarf::assemble $asm_file {
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global pair
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cu { addr_size 4 } {
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compile_unit {} {
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declare_labels int_label ushort_label struct_label
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int_label: DW_TAG_base_type {
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{DW_AT_byte_size 4 DW_FORM_udata}
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{DW_AT_encoding @DW_ATE_unsigned}
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{DW_AT_name "myint"}
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}
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ushort_label: DW_TAG_base_type {
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{DW_AT_byte_size 2 DW_FORM_udata}
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{DW_AT_encoding @DW_ATE_unsigned}
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{DW_AT_name "myushort"}
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}
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struct_label: DW_TAG_structure_type {
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{DW_AT_name "S"}
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{DW_AT_byte_size 8 DW_FORM_udata}
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} {
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DW_TAG_member {
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{DW_AT_name "a"}
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{DW_AT_type :${int_label}}
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{DW_AT_data_member_location 0 DW_FORM_udata}
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}
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DW_TAG_member {
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{DW_AT_name "b"}
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{DW_AT_type :${ushort_label}}
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{DW_AT_data_member_location 4 DW_FORM_udata}
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}
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}
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DW_TAG_variable {
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{DW_AT_name "s1"}
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{DW_AT_type :${struct_label}}
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{DW_AT_external 1 DW_FORM_flag}
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{DW_AT_location {
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DW_OP_constu 1
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DW_OP_stack_value
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DW_OP_piece 4
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DW_OP_constu 0
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DW_OP_stack_value
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DW_OP_piece 2
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} SPECIAL_expr}
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}
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DW_TAG_variable {
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{DW_AT_name "s2"}
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{DW_AT_type :${struct_label}}
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{DW_AT_external 1 DW_FORM_flag}
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{DW_AT_location {
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DW_OP_constu 1
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DW_OP_stack_value
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DW_OP_piece 4
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DW_OP_constu 0
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DW_OP_stack_value
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DW_OP_piece 8
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} SPECIAL_expr}
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}
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}
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}
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}
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if { [prepare_for_testing "failed to prepare" ${testfile} \
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[list $srcfile $asm_file] {nodebug}] } {
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return -1
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}
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gdb_test "p s1" " = {a = 1, b = 0}"
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gdb_test "p s2" \
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"access outside bounds of object referenced via synthetic pointer"
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