/* Target definitions for Darwin (Mac OS X) systems.
Copyright (C) 1989, 1990, 1991, 1992, 1993, 2000, 2001, 2002, 2003, 2004,
- 2005, 2006, 2007, 2008, 2009, 2010
+ 2005, 2006, 2007, 2008, 2009, 2010, 2011
Free Software Foundation, Inc.
Contributed by Apple Computer Inc.
} while (0)
#define SUBTARGET_C_COMMON_OVERRIDE_OPTIONS do { \
+ /* Unless set, force ABI=2 for NeXT and m64, 0 otherwise. */ \
+ if (!global_options_set.x_flag_objc_abi) \
+ global_options.x_flag_objc_abi \
+ = (flag_next_runtime && TARGET_64BIT) ? 2 : 0; \
+ /* Objective-C family ABI 2 is only valid for next/m64 at present. */ \
+ if (global_options_set.x_flag_objc_abi && flag_next_runtime) \
+ if (TARGET_64BIT && global_options.x_flag_objc_abi < 2) \
+ error_at (UNKNOWN_LOCATION, "%<-fobjc-abi-version%> >= 2 is only" \
+ " supported on %<-m64%> targets for" \
+ " %<-fnext-runtime%>"); \
/* Sort out ObjC exceptions: If the runtime is NeXT we default to \
sjlj for m32 only. */ \
if (!global_options_set.x_flag_objc_sjlj_exceptions) \
} \
else if (xname[0] == '+' || xname[0] == '-') \
fprintf (FILE, "\"%s\"", xname); \
- else if (darwin_label_is_anonymous_local_objc_name (xname)) \
+ else if (darwin_label_is_anonymous_local_objc_name (xname)) \
fprintf (FILE, "L%s", xname); \
else if (!strncmp (xname, ".objc_class_name_", 17)) \
fprintf (FILE, "%s", xname); \
/* The generic version, archs should over-ride where required. */
#define MACHOPIC_NL_SYMBOL_PTR_SECTION ".non_lazy_symbol_pointer"
-/* Private flag applied to disable section-anchors in a particular section.
- This needs to be kept in sync with the flags used by varasm.c (defined in
- output.h). */
-#define SECTION_NO_ANCHOR 0x2000000
-
/* Declare the section variables. */
#ifndef USED_FOR_TARGET
enum darwin_section_enum {
/* Extra attributes for Darwin. */
#define SUBTARGET_ATTRIBUTE_TABLE \
- /* { name, min_len, max_len, decl_req, type_req, fn_type_req, handler } */ \
+ /* { name, min_len, max_len, decl_req, type_req, fn_type_req, handler, \
+ affects_type_identity } */ \
{ "apple_kext_compatibility", 0, 0, false, true, false, \
- darwin_handle_kext_attribute }, \
+ darwin_handle_kext_attribute, false }, \
{ "weak_import", 0, 0, true, false, false, \
- darwin_handle_weak_import_attribute }
+ darwin_handle_weak_import_attribute, false }
#undef ASM_GENERATE_INTERNAL_LABEL
#define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM) \