From bc3518da23383b0e173020a46334fe22b6b67891 Mon Sep 17 00:00:00 2001 From: Mark Wielaard Date: Mon, 8 Dec 2014 22:32:23 +0000 Subject: DWARFv5 Emit DW_TAG_atomic_type for C11 _Atomic. This implements the DW_TAG_atomic_type for C11 _Atomic proposal as adopted in the latest DWARF5 draft. http://dwarfstd.org/ShowIssue.php?issue=131112.1 gcc/ChangeLog PR debug/60782 * dwarf2out.c (modified_type_die): Handle TYPE_QUAL_ATOMIC. gcc/testsuite/ChangeLog PR debug/60782 * gcc.dg/debug/dwarf2/atomic.c: New test. * gcc.dg/debug/dwarf2/stacked-qualified-types-3.c: Likewise. include/ChangeLog PR debug/60782 * dwarf2.def: Add DWARFv5 DW_TAG_atomic_type. From-SVN: r218496 --- gcc/dwarf2out.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) (limited to 'gcc/dwarf2out.c') diff --git a/gcc/dwarf2out.c b/gcc/dwarf2out.c index ca1e3ef..34b327e7 100644 --- a/gcc/dwarf2out.c +++ b/gcc/dwarf2out.c @@ -10551,7 +10551,7 @@ modified_type_die (tree type, int cv_quals, dw_die_ref context_die) dw_die_ref mod_scope; /* Only these cv-qualifiers are currently handled. */ const int cv_qual_mask = (TYPE_QUAL_CONST | TYPE_QUAL_VOLATILE - | TYPE_QUAL_RESTRICT); + | TYPE_QUAL_RESTRICT | TYPE_QUAL_ATOMIC); if (code == ERROR_MARK) return NULL; @@ -10564,6 +10564,10 @@ modified_type_die (tree type, int cv_quals, dw_die_ref context_die) if (dwarf_version < 3) cv_quals &= ~TYPE_QUAL_RESTRICT; + /* Likewise for DW_TAG_atomic_type for DWARFv5. */ + if (dwarf_version < 5) + cv_quals &= ~TYPE_QUAL_ATOMIC; + /* See if we already have the appropriately qualified variant of this type. */ qualified_type = get_qualified_type (type, cv_quals); @@ -10625,6 +10629,7 @@ modified_type_die (tree type, int cv_quals, dw_die_ref context_die) struct qual_info { int q; enum dwarf_tag t; }; static const struct qual_info qual_info[] = { + { TYPE_QUAL_ATOMIC, DW_TAG_atomic_type }, { TYPE_QUAL_RESTRICT, DW_TAG_restrict_type }, { TYPE_QUAL_VOLATILE, DW_TAG_volatile_type }, { TYPE_QUAL_CONST, DW_TAG_const_type }, -- cgit v1.1