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3666a04883
This commits the result of running gdb/copyright.py as per our Start
of New Year procedure...
gdb/ChangeLog
Update copyright year range in copyright header of all GDB files.
116 lines
3.9 KiB
Plaintext
116 lines
3.9 KiB
Plaintext
# Copyright 2017-2021 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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