gcc:

[pf3gnuchains/gcc-fork.git] / gcc / config / darwin.h

diff --git a/gcc/config/darwin.h b/gcc/config/darwin.h
index ba61740..e3f6960 100644 (file)
--- a/gcc/config/darwin.h
+++ b/gcc/config/darwin.h
@@ -1,6 +1,6 @@
 /* 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.
 
@@ -140,6 +140,21 @@ extern GTY(()) int darwin_ms_struct;
   } 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)                 \
+    global_options.x_flag_objc_sjlj_exceptions =                       \
+                               flag_next_runtime && !TARGET_64BIT;     \
     if (flag_mkernel || flag_apple_kext)                               \
       {                                                                        \
        if (flag_use_cxa_atexit == 2)                                   \
@@ -594,7 +609,7 @@ int darwin_label_is_anonymous_local_objc_name (const char *name);
         }                                                                   \
        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);                                        \
@@ -646,11 +661,6 @@ int darwin_label_is_anonymous_local_objc_name (const char *name);
 /* 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 {
@@ -664,10 +674,14 @@ extern GTY(()) section * darwin_sections[NUM_DARWIN_SECTIONS];
 
 #undef TARGET_ASM_SELECT_SECTION
 #define TARGET_ASM_SELECT_SECTION machopic_select_section
-#define USE_SELECT_SECTION_FOR_FUNCTIONS
+
 #undef TARGET_ASM_FUNCTION_SECTION
 #define TARGET_ASM_FUNCTION_SECTION darwin_function_section
 
+#undef TARGET_ASM_FUNCTION_SWITCHED_TEXT_SECTIONS
+#define TARGET_ASM_FUNCTION_SWITCHED_TEXT_SECTIONS \
+       darwin_function_switched_text_sections
+
 #undef TARGET_ASM_SELECT_RTX_SECTION
 #define TARGET_ASM_SELECT_RTX_SECTION machopic_select_rtx_section
 #undef  TARGET_ASM_UNIQUE_SECTION
@@ -712,11 +726,12 @@ extern GTY(()) section * darwin_sections[NUM_DARWIN_SECTIONS];
 
 /* 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)  \
@@ -963,10 +978,11 @@ __enable_execute_stack (void *addr)                                     \
 
 #define TARGET_HAS_TARGETCM 1
 
-extern void darwin_driver_init (unsigned int *decoded_options_count,
-                               struct cl_decoded_option **decoded_options);
+#ifndef USED_FOR_TARGET
+extern void darwin_driver_init (unsigned int *,struct cl_decoded_option **);
 #define GCC_DRIVER_HOST_INITIALIZATION \
   darwin_driver_init (&decoded_options_count, &decoded_options)
+#endif
 
 /* The Apple assembler and linker do not support constructor priorities.  */
 #undef SUPPORTS_INIT_PRIORITY