Move code to new file dwarf2/macro.c

This moves some more code out of dwarf2/read.c, introducing new files
dwarf2/macro.c and dwarf2/macro.h.

gdb/ChangeLog
2020-03-26  Tom Tromey  <tom@tromey.com>

	* dwarf2/read.c (dwarf2_macro_malformed_definition_complaint)
	(macro_start_file, consume_improper_spaces)
	(parse_macro_definition, skip_form_bytes, skip_unknown_opcode)
	(dwarf_parse_macro_header, dwarf_decode_macro_bytes)
	(dwarf_decode_macros): Move to macro.c.
	* dwarf2/macro.c: New file.
	* dwarf2/macro.h: New file.
	* Makefile.in (COMMON_SFILES): Add dwarf2/macro.c.

1 files changed, 33 insertions, 0 deletions

diff --git a/gdb/dwarf2/macro.h b/gdb/dwarf2/macro.h
new file mode 100644
index 0000000..3937c55
--- /dev/null
+++ b/gdb/dwarf2/macro.h
@@ -0,0 +1,33 @@
+/* DWARF macro support for GDB.
+
+   Copyright (C) 2003-2020 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/>.  */
+
+#ifndef GDB_DWARF2_MACRO_H
+#define GDB_DWARF2_MACRO_H
+
+struct buildsym_compunit;
+
+extern void dwarf_decode_macros (struct dwarf2_per_objfile *dwarf2_per_objfile,
+				 buildsym_compunit *builder,
+				 dwarf2_section_info *section,
+				 struct line_header *lh,
+				 unsigned int offset_size,
+				 unsigned int offset,
+				 int section_is_gnu);
+
+#endif /* GDB_DWARF2_MACRO_H */