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| author | Jakub Jelinek <jakub@redhat.com> | 2024-03-08 09:14:32 +0100 |
|---|---|---|
| committer | Jakub Jelinek <jakub@redhat.com> | 2024-03-08 09:29:30 +0100 |
| commit | 05109b1bd5ef4ee9d78fe17d4563889694a26d05 (patch) | |
| tree | 8ce23436b07d004c0cb2eff2161e1f7aca20d97e /gcc/dwarf2out.cc | |
| parent | 3ecc5071797c4ceb6da67a6c2b2527a046091de2 (diff) | |
| download | gcc-05109b1bd5ef4ee9d78fe17d4563889694a26d05.zip gcc-05109b1bd5ef4ee9d78fe17d4563889694a26d05.tar.gz gcc-05109b1bd5ef4ee9d78fe17d4563889694a26d05.tar.bz2 | |
dwarf2out: Emit DW_AT_export_symbols on anon unions/structs [PR113918]
DWARF5 added DW_AT_export_symbols both for use on inline namespaces (where
we emit it), but also on anonymous unions/structs (and we didn't emit that
attribute there).
The following patch fixes it.
2024-03-08 Jakub Jelinek <jakub@redhat.com>
PR debug/113918
gcc/
* dwarf2out.cc (gen_field_die): Emit DW_AT_export_symbols
on anonymous unions or structs for -gdwarf-5 or -gno-strict-dwarf.
gcc/c/
* c-tree.h (c_type_dwarf_attribute): Declare.
* c-objc-common.h (LANG_HOOKS_TYPE_DWARF_ATTRIBUTE): Redefine.
* c-objc-common.cc: Include dwarf2.h.
(c_type_dwarf_attribute): New function.
gcc/cp/
* cp-objcp-common.cc (cp_type_dwarf_attribute): Return 1
for DW_AT_export_symbols on anonymous structs or unions.
gcc/testsuite/
* c-c++-common/dwarf2/pr113918.c: New test.
Diffstat (limited to 'gcc/dwarf2out.cc')
| -rw-r--r-- | gcc/dwarf2out.cc | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/gcc/dwarf2out.cc b/gcc/dwarf2out.cc index 03d73f9..87e4240 100644 --- a/gcc/dwarf2out.cc +++ b/gcc/dwarf2out.cc @@ -25162,6 +25162,17 @@ gen_field_die (tree decl, struct vlr_context *ctx, dw_die_ref context_die) add_accessibility_attribute (decl_die, decl); + /* Add DW_AT_export_symbols to anonymous unions or structs. */ + if ((dwarf_version >= 5 || !dwarf_strict) && DECL_NAME (decl) == NULL_TREE) + if (tree type = member_declared_type (decl)) + if (lang_hooks.types.type_dwarf_attribute (TYPE_MAIN_VARIANT (type), + DW_AT_export_symbols) != -1) + { + dw_die_ref type_die = lookup_type_die (TYPE_MAIN_VARIANT (type)); + if (type_die && get_AT (type_die, DW_AT_export_symbols) == NULL) + add_AT_flag (type_die, DW_AT_export_symbols, 1); + } + /* Equate decl number to die, so that we can look up this decl later on. */ equate_decl_number_to_die (decl, decl_die); } |