This patch adds Objective-C language support to gdb based upon a patch 
provided by Apple Computer Inc from their version of gdb. Note that the 
patch only contains changes to existing files. New files (objc-lang.h, 
objc-lang.c, objc-exp.y) and a gdb.objc testsuite directory are located at

ftp://ftp.gnustep.org/pub/gnustep/contrib/gdb-objc-patch.tar.gz

gdb ChangeLog
--------------
2002-09-17  Adam Fedor  <fedor@gnu.org>

	* Add Objective-C language support to gdb (mostly from a patch
	provided by Apple Computer, Inc.).
	* Makefile.in: Add rules for objc files. Extra dependencies for
	changed files
	* breakpoint.c (parse_breakpoint_sals): Ignore ObjC method
	names when checking default.

	* completer.c (skip_quoted): Take additional argument.
	* completer.h: Update definition of skip_quoted.
	* c-exp.y: Update for change in skip_quoted.
	* jv-exp.y: Likewise.
	* p-exp.y: Likewise.
	* defs.h (enum language): Add language_objc. Update definitions.

	* elfread.c (elf_symtab_read): Skip ObjC symbols.

	* expression.h: New ops NSSTRING, SELECTOR, MSGCALL, and SELF.
	* eval.c (evaludate_subexp): Remove static attribute.
	(evaluate_subexp_standard): Handle new ops.
	* expprint.c (print_subexp): Likewise.
	(op_name): Likewise.
	* parse.c: Likewise.

	* infrun.c (handle_inferior_event): Step into ObjC method call.
	
	* language.c (binop_result_type): Add language_objc to case.
	(integral_type): Likewise.
	(character_type): Likewise.
	(string_type): Likewise.
	(boolean_type): Likewise.
	(structured_type): Likewise.
	(binop_type_check): Likewise.
	* language.h (CAST_IS_CONVERSION): Likewise.

	* linespec.c (decode_line_1): Handle ObjC methods.
	
	* maint.c (maintenance_demangle): Demangle ObjC names.

	* objc-exp.y: New file
	* objc-lang.h: Likewise.
	* objc-lang.c: Likewise.
	
	* parser-defs.h (struct objc_class_str): New struct.
	* printfcmd.c (address_info): Print 'self' for ObjC.
	* source.c (print_source_lines): Update comments.
	* stabsread.c (stabsread_objc_colon): New function.
	(define_symbol): Use it.
	* stabsread.h: Declare it.
	
	* symfile.c (init_filename_language_table): Add ObjC extensions.

	* symtab.h: New objc_specific struct.
	(SYMBOL_INIT_LANGUAGE_SPECIFIC): Handle ObjC.
	(SYMBOL_DEMANGLED_NAME): Likewise.
	* symtab.c (symbol_init_demangled_name): Demangle ObjC symbols.
	(make_symbol_completion_list): Likewise.

	* utils.c (puts_filtered_tabular): New function.
	(fprintf_symbol_filtered): Get ObjC demangled name.
	* valops.c (call_function_by_hand_expecting_type): New function.
	(value_of_local): New function.
	(value_of_this): Use it.
	* values.h: Define functions.

gdb/doc ChangeLog:
-----------------
2002-09-17  Adam Fedor  <fedor@gnu.org>

	* gdb.texinfo: Add ObjC documentation.

gdb/testsuite ChangeLog:
-----------------
2002-09-17  Adam Fedor  <fedor@gnu.org>

	* configure.in: Add gdb.objc dir
	* gdb.base/default.exp: Update for ObjC in output.
	* gdb.base/help.exp: Likewise.
	* gdb.base/maint.exp: Likewise.
	* gdb.objc/: New testsuite dir