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4a94e36819
This commit brings all the changes made by running gdb/copyright.py as per GDB's Start of New Year Procedure. For the avoidance of doubt, all changes in this commits were performed by the script.
116 lines
3.9 KiB
Plaintext
116 lines
3.9 KiB
Plaintext
# Copyright 2017-2022 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 .c -dw.S
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# We need to know the size of integer and address types in order
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# to write some of the debugging info we'd like to generate.
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#
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# For that, we ask GDB by debugging our ada-valprint-error.c program.
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# Any program would do, but since we already have ada-valprint-error.c
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# specifically for this testcase, might as well use that.
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if { [prepare_for_testing ${testfile}.exp ${testfile} ${srcfile}] } {
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untested "failed to compile"
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return -1
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}
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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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cu {} {
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DW_TAG_compile_unit {
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{DW_AT_language @DW_LANG_Ada95}
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{DW_AT_name fd.adb}
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{DW_AT_comp_dir /tmp}
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} {
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declare_labels array_elt_label integer_label array_label \
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typedef_label ref_type_label
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set ptr_size [get_sizeof "void *" 96]
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set int_size [get_sizeof "int" 4]
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# A structure with no size attribute, to mimick structures
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# in Ada that have a dynamic size...
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array_elt_label: structure_type {
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{name fd__Tints_doubledC}
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{artificial 1 DW_FORM_flag_present}
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}
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# ... and a corresponding XVZ variable, supposed to be there
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# to provide the actual size. Except that, in this case,
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# the variable has no address, to simulate the fact that
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# it has been optimized out (which the compiler can do,
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# even if it at the expense of debuggability).
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DW_TAG_variable {
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{name fd__Tints_doubledC___XVZ}
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{DW_AT_type :$integer_label}
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{artificial 1 DW_FORM_flag_present}
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}
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integer_label: DW_TAG_base_type {
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{DW_AT_byte_size $int_size DW_FORM_sdata}
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{DW_AT_encoding @DW_ATE_signed}
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{DW_AT_name integer}
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}
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array_label: DW_TAG_array_type {
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{DW_AT_name fd__ints_doubled}
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{DW_AT_type :$array_elt_label}
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} {
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DW_TAG_subrange_type {
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{DW_AT_type :$integer_label}
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{DW_AT_upper_bound 2 DW_FORM_data1}
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}
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}
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typedef_label: DW_TAG_typedef {
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{DW_AT_name fd__ints_doubled}
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{DW_AT_type :$array_label}
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}
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ref_type_label: DW_TAG_reference_type {
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{DW_AT_byte_size $ptr_size DW_FORM_sdata}
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{DW_AT_type :$typedef_label}
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}
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DW_TAG_variable {
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{name fd__global}
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{DW_AT_type :$ref_type_label}
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{DW_AT_location {
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DW_OP_addr [gdb_target_symbol fd__global]
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} SPECIAL_expr}
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{external 1 flag}
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}
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}
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}
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}
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if { [prepare_for_testing ${testfile}.exp ${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_no_output "set language ada"
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gdb_test "print fd.global" \
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" = <error reading variable: unable to read value of fd__Tints_doubledC___XVZ \\(value has been optimized out\\)>"
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