1 files changed, 89 insertions, 0 deletions
diff --git a/gdb/dwarf2/cu.c b/gdb/dwarf2/cu.c
new file mode 100644
index 0000000..4f13f4f
--- /dev/null
+++ b/gdb/dwarf2/cu.c
@@ -0,0 +1,89 @@
+/* DWARF CU data structure
+
+   Copyright (C) 2021 Free Software Foundation, Inc.
+
+   This file is part of GDB.
+
+   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/>.  */
+
+#include "defs.h"
+#include "dwarf2/cu.h"
+#include "dwarf2/read.h"
+
+/* Initialize dwarf2_cu to read PER_CU, in the context of PER_OBJFILE.  */
+
+dwarf2_cu::dwarf2_cu (dwarf2_per_cu_data *per_cu,
+		      dwarf2_per_objfile *per_objfile)
+  : per_cu (per_cu),
+    per_objfile (per_objfile),
+    mark (false),
+    has_loclist (false),
+    checked_producer (false),
+    producer_is_gxx_lt_4_6 (false),
+    producer_is_gcc_lt_4_3 (false),
+    producer_is_icc (false),
+    producer_is_icc_lt_14 (false),
+    producer_is_codewarrior (false),
+    processing_has_namespace_info (false)
+{
+}
+
+/* See cu.h.  */
+
+struct type *
+dwarf2_cu::addr_sized_int_type (bool unsigned_p) const
+{
+  int addr_size = this->per_cu->addr_size ();
+  return this->per_objfile->int_type (addr_size, unsigned_p);
+}
+
+/* Start a symtab for DWARF.  NAME, COMP_DIR, LOW_PC are passed to the
+   buildsym_compunit constructor.  */
+
+struct compunit_symtab *
+dwarf2_cu::start_symtab (const char *name, const char *comp_dir,
+			 CORE_ADDR low_pc)
+{
+  gdb_assert (m_builder == nullptr);
+
+  m_builder.reset (new struct buildsym_compunit
+		   (this->per_objfile->objfile,
+		    name, comp_dir, language, low_pc));
+
+  list_in_scope = get_builder ()->get_file_symbols ();
+
+  get_builder ()->record_debugformat ("DWARF 2");
+  get_builder ()->record_producer (producer);
+
+  processing_has_namespace_info = false;
+
+  return get_builder ()->get_compunit_symtab ();
+}
+
+/* See read.h.  */
+
+struct type *
+dwarf2_cu::addr_type () const
+{
+  struct objfile *objfile = this->per_objfile->objfile;
+  struct type *void_type = objfile_type (objfile)->builtin_void;
+  struct type *addr_type = lookup_pointer_type (void_type);
+  int addr_size = this->per_cu->addr_size ();
+
+  if (TYPE_LENGTH (addr_type) == addr_size)
+    return addr_type;
+
+  addr_type = addr_sized_int_type (addr_type->is_unsigned ());
+  return addr_type;
+}