129 lines
3.4 KiB
Diff
129 lines
3.4 KiB
Diff
From 088088cf78b937cff973c95ec6da2d86ea173b48 Mon Sep 17 00:00:00 2001
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From: Tom de Vries <tdevries@suse.de>
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Date: Sun, 24 Sep 2023 12:30:10 +0200
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Subject: [PATCH 07/13] [gdb/testsuite] Add
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gdb.dwarf2/backward-spec-inter-cu.exp
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Add another regression test for PR symtab/30846.
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Tested on x86_64-linux.
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Bug: https://sourceware.org/bugzilla/show_bug.cgi?id=30846
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---
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.../gdb.dwarf2/backward-spec-inter-cu.exp | 103 ++++++++++++++++++
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1 file changed, 103 insertions(+)
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create mode 100644 gdb/testsuite/gdb.dwarf2/backward-spec-inter-cu.exp
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diff --git a/gdb/testsuite/gdb.dwarf2/backward-spec-inter-cu.exp b/gdb/testsuite/gdb.dwarf2/backward-spec-inter-cu.exp
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new file mode 100644
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index 00000000000..59b3db50dbb
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--- /dev/null
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+++ b/gdb/testsuite/gdb.dwarf2/backward-spec-inter-cu.exp
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@@ -0,0 +1,103 @@
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+# Copyright 2023 Free Software Foundation, Inc.
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+
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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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+
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+# Check that the DWARF reader works with a a DW_AT_specification that
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+# refers to an earlier DIE. Inter-cu variant of forward-spec.exp.
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+
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+load_lib dwarf.exp
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+
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+# This test can only be run on targets which support DWARF-2 and use gas.
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+require dwarf2_support
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+
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+standard_testfile main.c -debug.S
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+
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+# Set up the DWARF for the test.
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+set asm_file [standard_output_file $srcfile2]
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+Dwarf::assemble $asm_file {
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+ global srcfile
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+
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+ declare_labels spec
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+
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+ cu {} {
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+ DW_TAG_compile_unit {
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+ {DW_AT_language @DW_LANG_C_plus_plus}
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+ } {
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+ declare_labels myint
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+
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+ myint: DW_TAG_base_type {
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+ {DW_AT_byte_size 4 DW_FORM_sdata}
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+ {DW_AT_encoding @DW_ATE_signed}
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+ {DW_AT_name myint}
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+ }
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+
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+ DW_TAG_namespace {
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+ {DW_AT_name ns}
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+ } {
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+ spec: DW_TAG_variable {
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+ {DW_AT_name v}
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+ {DW_AT_type :$myint}
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+ {DW_AT_declaration 1 DW_FORM_flag_present}
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+ }
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+ }
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+ }
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+ }
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+
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+ cu {} {
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+ DW_TAG_compile_unit {
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+ {DW_AT_language @DW_LANG_C_plus_plus}
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+ } {
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+ # The new indexer has special code to compute the full
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+ # name of an object that uses a specification that appears
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+ # later in the DWARF.
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+ DW_TAG_variable {
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+ {DW_AT_specification %$spec}
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+ {DW_AT_location {
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+ DW_OP_const1u 23
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+ DW_OP_stack_value
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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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+
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+if {[build_executable "failed to build executable" ${testfile} \
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+ [list $srcfile $asm_file] {nodebug}]} {
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+ return -1
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+}
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+
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+set eol "\r\n"
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+set ws "\[ \t\]"
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+
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+set worker_threads_list {}
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+
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+# Exercises the intra-shard case.
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+lappend worker_threads_list 0
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+
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+# Might exercise the inter-shard case.
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+lappend worker_threads_list default
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+
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+foreach_with_prefix worker_threads $worker_threads_list {
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+
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+ clean_restart
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+
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+ if { $worker_threads != "default" } {
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+ gdb_test_no_output "maint set worker-threads $worker_threads"
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+ }
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+
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+ gdb_load $binfile
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+
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+ gdb_test "maint print objfiles" "$eol$ws+qualified:$ws+ns::v$eol.*" \
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+ "v has parent ns"
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+}
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--
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2.35.3
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