2007-01-21 Jan Kratochvil <jan.kratochvil@redhat.com>

2007-01-21  Jan Kratochvil  <jan.kratochvil@redhat.com>
	    Daniel Jacobowitz  <dan@codesourcery.com>

	* buildsym.c (end_symtab): Use preallocated symtab if available.
	Fill in SYMBOL_SYMTAB.
	* buildsym.h (struct subfile): Add symtab member.
	* dwarf2read.c (struct dwarf2_cu): Add line_header.
	(struct file_entry): Add symtab.
	(free_cu_line_header): New function.
	(read_file_scope): Use it.  Save line_header in the cu.  Process
	lines before DIEs.
	(add_file_name): Initialize new symtab member.
	(dwarf_decode_lines): Create symtabs for included files.
	(new_symbol): Set SYMBOL_SYMTAB.
	* symtab.c (lookup_symbol): Use SYMBOL_SYMTAB.
	(search_symbols): Likewise.
	* symtab.h (struct symbol): Add symtab member.
	(SYMBOL_SYMTAB): Define.

	* gdb.base/included.c, gdb.base/included.exp,
	gdb.base/included.h: New files.