e0c0f156b4
Now that prepare_for_testing etc. can cope with absolute path names, this can be exploited for test cases with generated source files. This is just to simplify the code and shouldn't cause any functional change.
122 lines
2.9 KiB
Text
122 lines
2.9 KiB
Text
# Copyright 2013-2014 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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if { [skip_cplus_tests] } { continue }
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standard_testfile main.c implptrpiece-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 $asm_file {
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# Using a funny address size here and in the pointer type lets us
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# also check for a sign-extension bug in the
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# DW_OP_GNU_implicit_pointer code.
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cu { addr_size 2 } {
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compile_unit {} {
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declare_labels struct_label short_type_label
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declare_labels char_type_label ptr_label
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declare_labels var_label
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struct_label: structure_type {
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{name S}
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{byte_size 4 DW_FORM_sdata}
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} {
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member {
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{name a}
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{type :$short_type_label}
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{data_member_location 0 DW_FORM_sdata}
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}
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member {
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{name b}
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{type :$char_type_label}
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{data_member_location 2 DW_FORM_sdata}
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}
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member {
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{name c}
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{type :$char_type_label}
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{data_member_location 3 DW_FORM_sdata}
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}
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}
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short_type_label: base_type {
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{name "short int"}
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{encoding @DW_ATE_signed}
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{byte_size 2 DW_FORM_sdata}
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}
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char_type_label: base_type {
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{name "signed char"}
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{encoding @DW_ATE_signed}
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{byte_size 1 DW_FORM_sdata}
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}
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# See comment above to understand the pointer size.
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ptr_label: pointer_type {
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{byte_size 2 DW_FORM_sdata}
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{type :$char_type_label}
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}
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var_label: DW_TAG_variable {
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{name s}
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{type :$struct_label}
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{location {
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const1u 1
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stack_value
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piece 2
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const1u 2
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stack_value
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piece 1
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const1u 3
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stack_value
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piece 1
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} SPECIAL_expr}
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}
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DW_TAG_variable {
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{name p}
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{type :$ptr_label}
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{location {
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GNU_implicit_pointer $var_label 2
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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 { [build_executable ${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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# We need --readnow because otherwise we never read in the CU we
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# created above.
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set saved_gdbflags $GDBFLAGS
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set GDBFLAGS "$GDBFLAGS -readnow"
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clean_restart ${testfile}
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set GDBFLAGS $saved_gdbflags
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if ![runto_main] {
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return -1
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}
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gdb_test "print/d p\[-1\]" " = 0"
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