[v2,06/13,gdb/testsuite] Add gdb.dwarf2/forward-spec-inter-cu.exp
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Commit Message
Add a regression test for PR symtab/30846.
Tested on x86_64-linux.
Bug: https://sourceware.org/bugzilla/show_bug.cgi?id=30846
---
.../gdb.dwarf2/forward-spec-inter-cu.exp | 103 ++++++++++++++++++
1 file changed, 103 insertions(+)
create mode 100644 gdb/testsuite/gdb.dwarf2/forward-spec-inter-cu.exp
Comments
>>>>> "Tom" == Tom de Vries <tdevries@suse.de> writes:
Tom> Add a regression test for PR symtab/30846.
Tom> Tested on x86_64-linux.
Tom> Bug: https://sourceware.org/bugzilla/show_bug.cgi?id=30846
Looks good, thank you.
Approved-By: Tom Tromey <tom@tromey.com>
Tom
new file mode 100644
@@ -0,0 +1,103 @@
+# Copyright 2023 Free Software Foundation, Inc.
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+# Check that the DWARF reader works with a a DW_AT_specification that
+# refers to a later DIE. Inter-cu variant of forward-spec.exp.
+
+load_lib dwarf.exp
+
+# This test can only be run on targets which support DWARF-2 and use gas.
+require dwarf2_support
+
+standard_testfile main.c -debug.S
+
+# Set up the DWARF for the test.
+set asm_file [standard_output_file $srcfile2]
+Dwarf::assemble $asm_file {
+ global srcfile
+
+ declare_labels spec
+
+ cu {} {
+ DW_TAG_compile_unit {
+ {DW_AT_language @DW_LANG_C_plus_plus}
+ } {
+ # The new indexer has special code to compute the full
+ # name of an object that uses a specification that appears
+ # later in the DWARF.
+ DW_TAG_variable {
+ {DW_AT_specification %$spec}
+ {DW_AT_location {
+ DW_OP_const1u 23
+ DW_OP_stack_value
+ } SPECIAL_expr}
+ }
+ }
+ }
+
+ cu {} {
+ DW_TAG_compile_unit {
+ {DW_AT_language @DW_LANG_C_plus_plus}
+ } {
+ declare_labels myint
+
+ myint: DW_TAG_base_type {
+ {DW_AT_byte_size 4 DW_FORM_sdata}
+ {DW_AT_encoding @DW_ATE_signed}
+ {DW_AT_name myint}
+ }
+
+ DW_TAG_namespace {
+ {DW_AT_name ns}
+ } {
+ spec: DW_TAG_variable {
+ {DW_AT_name v}
+ {DW_AT_type :$myint}
+ {DW_AT_declaration 1 DW_FORM_flag_present}
+ }
+ }
+ }
+ }
+}
+
+if {[build_executable "failed to build executable" ${testfile} \
+ [list $srcfile $asm_file] {nodebug}]} {
+ return -1
+}
+
+set eol "\r\n"
+set ws "\[ \t\]"
+
+set worker_threads_list {}
+
+# Exercises the intra-shard case.
+lappend worker_threads_list 0
+
+# Might exercise the inter-shard case.
+lappend worker_threads_list default
+
+foreach_with_prefix worker_threads $worker_threads_list {
+
+ clean_restart
+
+ if { $worker_threads != "default" } {
+ gdb_test_no_output "maint set worker-threads $worker_threads"
+ }
+
+ gdb_load $binfile
+
+ gdb_test "maint print objfiles" "$eol$ws+qualified:$ws+ns::v$eol.*" \
+ "v has parent ns"
+}