+2021-07-06 Tom de Vries <tdevries@suse.de>
+
+ * dwarf2/read.c (scan_partial_symbols): Skip top-level imports of
+ c++ CU.
+ * testsuite/gdb.dwarf2/imported-unit-bp.exp: Moved to ...
+ * testsuite/gdb.dwarf2/imported-unit-bp.exp.tcl: ... here.
+ * testsuite/gdb.dwarf2/imported-unit-bp-c++.exp: New test.
+ * testsuite/gdb.dwarf2/imported-unit-bp-c.exp: New test.
+ * testsuite/gdb.dwarf2/imported-unit.exp: Update.
+
2021-07-03 Joel Brobecker <brobecker@adacore.com>
* NEWS: Create a new section for the next release branch.
process_psymtab_comp_unit (per_cu, cu->per_objfile, true,
cu->per_cu->lang);
+ if (pdi->die_parent == nullptr
+ && per_cu->unit_type == DW_UT_compile
+ && per_cu->lang == language_cplus)
+ /* Regard import as hint. See corresponding code in
+ process_imported_unit_die. */
+ break;
+
cu->per_cu->imported_symtabs_push (per_cu);
}
break;
--- /dev/null
+# Copyright 2021 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/>.
+
+set lang DW_LANG_C_plus_plus
+
+source $srcdir/$subdir/imported-unit-bp.exp.tcl
--- /dev/null
+# Copyright 2021 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/>.
+
+set lang DW_LANG_C
+
+source $srcdir/$subdir/imported-unit-bp.exp.tcl
+++ /dev/null
-# Copyright 2020-2021 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/>.
-
-# Test that "break /absolute/file:line" works ok with imported CUs.
-
-load_lib dwarf.exp
-
-# This test can only be run on targets which support DWARF-2 and use gas.
-if {![dwarf2_support]} {
- return 0
-}
-
-# The .c files use __attribute__.
-if [get_compiler_info] {
- return -1
-}
-if !$gcc_compiled {
- return 0
-}
-
-standard_testfile imported-unit-bp-alt.c .S imported-unit-bp-main.c
-
-set build_options {nodebug optimize=-O1}
-
-set asm_file [standard_output_file $srcfile2]
-Dwarf::assemble $asm_file {
- global srcdir subdir srcfile srcfile
- global build_options
- declare_labels lines_label callee_subprog_label cu_label
-
- get_func_info func "$build_options additional_flags=-DWITHMAIN"
-
- cu {} {
- compile_unit {
- {language @DW_LANG_C}
- {name "<artificial>"}
- } {
- imported_unit {
- {import %$cu_label}
- }
- }
- }
-
- cu {} {
- cu_label: compile_unit {
- {producer "gcc"}
- {language @DW_LANG_C}
- {name ${srcfile}}
- {comp_dir "/tmp"}
- {low_pc 0 addr}
- {stmt_list ${lines_label} DW_FORM_sec_offset}
- } {
- callee_subprog_label: subprogram {
- {external 1 flag}
- {name callee}
- {inline 3 data1}
- }
- subprogram {
- {external 1 flag}
- {name func}
- {low_pc $func_start addr}
- {high_pc "$func_start + $func_len" addr}
- } {
- }
- }
- }
-
- lines {version 2 default_is_stmt 1} lines_label {
- include_dir "/tmp"
- file_name "$srcfile" 1
-
- program {
- {DW_LNE_set_address line_label_1}
- {DW_LNS_advance_line 15}
- {DW_LNS_copy}
-
- {DW_LNE_set_address line_label_2}
- {DW_LNS_advance_line 1}
- {DW_LNS_copy}
-
- {DW_LNE_set_address line_label_3}
- {DW_LNS_advance_line 4}
- {DW_LNS_copy}
-
- {DW_LNE_set_address line_label_4}
- {DW_LNS_advance_line 1}
- {DW_LNS_copy}
-
- {DW_LNS_advance_line -4}
- {DW_LNS_negate_stmt}
- {DW_LNS_copy}
-
- {DW_LNE_set_address line_label_5}
- {DW_LNS_advance_line 1}
- {DW_LNS_copy}
-
- {DW_LNE_set_address line_label_6}
- {DW_LNS_advance_line 1}
- {DW_LNS_negate_stmt}
- {DW_LNS_copy}
-
- {DW_LNE_set_address line_label_7}
- {DW_LNE_end_sequence}
- }
- }
-}
-
-if { [prepare_for_testing "failed to prepare" ${testfile} \
- [list $srcfile $asm_file $srcfile3] $build_options] } {
- return -1
-}
-
-gdb_reinitialize_dir /tmp
-
-# Using an absolute path is important to see the bug.
-gdb_test "break /tmp/${srcfile}:19" "Breakpoint .* file $srcfile, line .*"
--- /dev/null
+# Copyright 2020-2021 Free Software Foundation, Inc.
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+# Test that "break /absolute/file:line" works ok with imported CUs.
+
+load_lib dwarf.exp
+
+# This test can only be run on targets which support DWARF-2 and use gas.
+if {![dwarf2_support]} {
+ return 0
+}
+
+# The .c files use __attribute__.
+if [get_compiler_info] {
+ return -1
+}
+if !$gcc_compiled {
+ return 0
+}
+
+standard_testfile imported-unit-bp-alt.c .S imported-unit-bp-main.c
+
+set build_options {nodebug optimize=-O1}
+
+set asm_file [standard_output_file $srcfile2]
+Dwarf::assemble $asm_file {
+ global srcdir subdir srcfile srcfile
+ global build_options
+ global lang
+ declare_labels lines_label callee_subprog_label cu_label
+
+ get_func_info func "$build_options additional_flags=-DWITHMAIN"
+
+ cu {} {
+ compile_unit {
+ {language @$lang}
+ {name "<artificial>"}
+ } {
+ imported_unit {
+ {import %$cu_label}
+ }
+ }
+ }
+
+ cu {} {
+ cu_label: compile_unit {
+ {producer "gcc"}
+ {language @$lang}
+ {name ${srcfile}}
+ {comp_dir "/tmp"}
+ {low_pc 0 addr}
+ {stmt_list ${lines_label} DW_FORM_sec_offset}
+ } {
+ callee_subprog_label: subprogram {
+ {external 1 flag}
+ {name callee}
+ {inline 3 data1}
+ }
+ subprogram {
+ {external 1 flag}
+ {name func}
+ {low_pc $func_start addr}
+ {high_pc "$func_start + $func_len" addr}
+ } {
+ }
+ }
+ }
+
+ lines {version 2 default_is_stmt 1} lines_label {
+ include_dir "/tmp"
+ file_name "$srcfile" 1
+
+ program {
+ {DW_LNE_set_address line_label_1}
+ {DW_LNS_advance_line 15}
+ {DW_LNS_copy}
+
+ {DW_LNE_set_address line_label_2}
+ {DW_LNS_advance_line 1}
+ {DW_LNS_copy}
+
+ {DW_LNE_set_address line_label_3}
+ {DW_LNS_advance_line 4}
+ {DW_LNS_copy}
+
+ {DW_LNE_set_address line_label_4}
+ {DW_LNS_advance_line 1}
+ {DW_LNS_copy}
+
+ {DW_LNS_advance_line -4}
+ {DW_LNS_negate_stmt}
+ {DW_LNS_copy}
+
+ {DW_LNE_set_address line_label_5}
+ {DW_LNS_advance_line 1}
+ {DW_LNS_copy}
+
+ {DW_LNE_set_address line_label_6}
+ {DW_LNS_advance_line 1}
+ {DW_LNS_negate_stmt}
+ {DW_LNS_copy}
+
+ {DW_LNE_set_address line_label_7}
+ {DW_LNE_end_sequence}
+ }
+ }
+}
+
+if { [prepare_for_testing "failed to prepare" ${testfile} \
+ [list $srcfile $asm_file $srcfile3] $build_options] } {
+ return -1
+}
+
+gdb_reinitialize_dir /tmp
+
+# Using an absolute path is important to see the bug.
+gdb_test "break /tmp/${srcfile}:19" "Breakpoint .* file $srcfile, line .*"
set psymtabs_p [psymtabs_p]
-# Verify that the partial symtab for the unit importing the partial unit does
-# not contain the static partial symbol int, which is defined in the partial
-# unit. Test-case for PR25646.
+# Verify that the partial symtab for CU "<artificial>" does
+# not contain the static partial symbol int, which is defined in the
+# CU "imported_unit.c". Test-case for PR25646.
set test "no static partial symbols in importing unit"
if { $psymtabs_p } {
gdb_test "main print psymbols" \
[multi_line \
- " Depends on 1 other partial symtabs\." \
- "\[^\r\n\]*" \
+ " Depends on 0 other partial symtabs\." \
" Global partial symbols:" \
" `main', function, $hex" \
"" \