binutils-gdb/gdb/dwarf2
Tom de Vries 752e419362 [gdb/symtab] Fix skipping of import of C++ CU
Tom Tromey observed that when changing the language in
gdb.dwarf2/imported-unit-bp.exp from c to c++, the test failed.

This is due to this code in process_imported_unit_die:
...
      /* We're importing a C++ compilation unit with tag DW_TAG_compile_unit
         into another compilation unit, at root level.  Regard this as a hint,
         and ignore it.  */
      if (die->parent && die->parent->parent == NULL
          && per_cu->unit_type == DW_UT_compile
          && per_cu->lang == language_cplus)
        return;
...
which should have a partial symtabs counterpart.

Add the missing counterpart in process_psymtab_comp_unit.

Tested on x86_64-linux (openSUSE Leap 15.2), no regressions for config:
- using default gcc version 7.5.0
  (with 5 unexpected FAILs)
- gcc 10.3.0 and target board
  unix/-flto/-O0/-flto-partition=none/-ffat-lto-objects
  (with 1000 unexpected FAILs)

gdb/ChangeLog:

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.
2021-07-06 10:58:43 +02:00
..
abbrev.c Remove Irix 6 workaround from DWARF abbrev reader 2021-03-13 09:41:05 -07:00
abbrev.h Constify abbrev_table::lookup_abbrev 2021-03-13 09:41:05 -07:00
attribute.c [gdb/symtab] Handle DW_AT_decl_file with form DW_FORM_implicit_const 2021-02-24 23:58:42 +01:00
attribute.h [gdb/symtab] Handle DW_AT_decl_file with form DW_FORM_implicit_const 2021-02-24 23:58:42 +01:00
comp-unit-head.c Rename dwarf2/comp-unit.h 2021-05-17 14:16:07 -06:00
comp-unit-head.h Rename dwarf2/comp-unit.h 2021-05-17 14:16:07 -06:00
cu.c Remove dwarf2_cu::language 2021-06-25 12:23:05 -06:00
cu.h Remove dwarf2_cu::language 2021-06-25 12:23:05 -06:00
die.h gdb/dwarf: split dwarf2_cu::ranges_base in two 2021-02-02 10:42:11 -05:00
dwz.c Move dwarf2_get_dwz_file to dwarf2/dwz.h 2021-03-06 09:26:40 -07:00
dwz.h Move dwarf2_get_dwz_file to dwarf2/dwz.h 2021-03-06 09:26:40 -07:00
expr.c Update copyright year range in all GDB files 2021-01-01 12:12:21 +04:00
expr.h Update copyright year range in all GDB files 2021-01-01 12:12:21 +04:00
frame-tailcall.c gdb: add names to unwinders, add debug messages when looking for unwinder 2021-06-29 12:05:03 -04:00
frame-tailcall.h Update copyright year range in all GDB files 2021-01-01 12:12:21 +04:00
frame.c gdb: add names to unwinders, add debug messages when looking for unwinder 2021-06-29 12:05:03 -04:00
frame.h Update copyright year range in all GDB files 2021-01-01 12:12:21 +04:00
index-cache.c gdb: generate the prefix name for prefix commands on demand 2021-05-12 11:19:22 +01:00
index-cache.h Update copyright year range in all GDB files 2021-01-01 12:12:21 +04:00
index-common.c Update copyright year range in all GDB files 2021-01-01 12:12:21 +04:00
index-common.h Handle unaligned mapping of .gdb_index 2021-04-17 13:56:36 -06:00
index-write.c Simplify debug_names index writing 2021-07-05 12:24:00 -06:00
index-write.h Introduce dwarf2/public.h 2021-03-20 17:23:40 -06:00
leb.c Update copyright year range in all GDB files 2021-01-01 12:12:21 +04:00
leb.h Update copyright year range in all GDB files 2021-01-01 12:12:21 +04:00
line-header.c Rename dwarf2/comp-unit.h 2021-05-17 14:16:07 -06:00
line-header.h Update copyright year range in all GDB files 2021-01-01 12:12:21 +04:00
loc.c gdb: Support DW_LLE_start_end 2021-06-22 16:39:01 +02:00
loc.h gdb: remove unused struct call_site_stuff forward declaration 2021-06-11 11:36:48 -04:00
macro.c Avoid crash on missing dwz file 2021-03-06 09:26:39 -07:00
macro.h Update copyright year range in all GDB files 2021-01-01 12:12:21 +04:00
public.h Simplify DWARF reader initialization 2021-03-28 10:43:15 -06:00
read.c [gdb/symtab] Fix skipping of import of C++ CU 2021-07-06 10:58:43 +02:00
read.h [gdb/symtab] Fix infinite recursion in dwarf2_cu::get_builder(), again 2021-06-16 12:44:30 +02:00
sect-names.h Move dwarf2_get_dwz_file to dwarf2/dwz.h 2021-03-06 09:26:40 -07:00
section.c gdb: Handle missing .debug_str section 2021-04-07 11:31:30 +01:00
section.h Update copyright year range in all GDB files 2021-01-01 12:12:21 +04:00
stringify.c Reimplement dwarf_unit_type_name 2021-03-18 12:08:41 -06:00
stringify.h Fix typo in dwarf2/stringify.h 2021-03-31 09:48:56 -06:00