--- /dev/null
+/*
+ * Copyright (c) 1999-2007 Apple Inc. All Rights Reserved.
+ *
+ * @APPLE_LICENSE_HEADER_START@
+ *
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this
+ * file.
+ *
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ *
+ * @APPLE_LICENSE_HEADER_END@
+ */
+
+#import <objc/objc.h>
+#import <objc/runtime.h>
+
+
+struct objc_super {
+ id receiver;
+#if !defined(__cplusplus) && !__OBJC2__
+ Class class; /* For compatibility with old objc-runtime.h header */
+#else
+ Class super_class;
+#endif
+ /* super_class is the first class to search */
+};
+
+
+/* Basic Messaging Primitives
+ *
+ * On some architectures, use objc_msgSend_stret for some struct return types.
+ * On some architectures, use objc_msgSend_fpret for some float return types.
+ *
+ * These functions must be cast to an appropriate function pointer type
+ * before being called.
+ */
+OBJC_EXPORT id objc_msgSend(id self, SEL op, ...);
+OBJC_EXPORT id objc_msgSendSuper(struct objc_super *super, SEL op, ...);
+
+
+/* Struct-returning Messaging Primitives
+ *
+ * Use these functions to call methods that return structs on the stack.
+ * On some architectures, some structures are returned in registers.
+ * Consult your local function call ABI documentation for details.
+ *
+ * These functions must be cast to an appropriate function pointer type
+ * before being called.
+ */
+#if defined(__OBJC2__)
+OBJC_EXPORT void objc_msgSend_stret(id self, SEL op, ...);
+OBJC_EXPORT void objc_msgSendSuper_stret(struct objc_super *super, SEL op, ...);
+#elif defined(__cplusplus)
+/* For compatibility with old objc-runtime.h header */
+OBJC_EXPORT id objc_msgSend_stret(id self, SEL op, ...);
+OBJC_EXPORT id objc_msgSendSuper_stret(struct objc_super *super, SEL op, ...);
+#else
+/* For compatibility with old objc-runtime.h header */
+OBJC_EXPORT void objc_msgSend_stret(void * stretAddr, id self, SEL op, ...);
+OBJC_EXPORT void objc_msgSendSuper_stret(void * stretAddr, struct objc_super *super, SEL op, ...);
+#endif
+
+
+/* Floating-point-returning Messaging Primitives
+ *
+ * Use these functions to call methods that return floating-point values
+ * on the stack.
+ * Consult your local function call ABI documentation for details.
+ *
+ * ppc: objc_msgSend_fpret not used
+ * ppc64: objc_msgSend_fpret not used
+ * i386: objc_msgSend_fpret used for `float`, `double`, `long double`.
+ * x86-64: objc_msgSend_fpret used for `long double`.
+ *
+ * These functions must be cast to an appropriate function pointer type
+ * before being called.
+ */
+#if defined(__i386__)
+OBJC_EXPORT double objc_msgSend_fpret(id self, SEL op, ...);
+/* Use objc_msgSendSuper() for fp-returning messages to super. */
+/* See also objc_msgSendv_fpret() below. */
+#elif defined(__x86_64__)
+OBJC_EXPORT long double objc_msgSend_fpret(id self, SEL op, ...);
+/* Use objc_msgSendSuper() for fp-returning messages to super. */
+/* See also objc_msgSendv_fpret() below. */
+#endif
+
+
+/* Direct Method Invocation Primitives
+ * Use these functions to call the implementation of a given Method.
+ * This is faster than calling method_getImplementation() and method_getName().
+ *
+ * The receiver must not be nil.
+ *
+ * These functions must be cast to an appropriate function pointer type
+ * before being called.
+ */
+OBJC_EXPORT id method_invoke(id receiver, Method m, ...)
+ AVAILABLE_MAC_OS_X_VERSION_10_5_AND_LATER;
+OBJC_EXPORT void method_invoke_stret(id receiver, Method m, ...)
+ AVAILABLE_MAC_OS_X_VERSION_10_5_AND_LATER;
+
+
+/* Variable-argument Messaging Primitives
+ *
+ * Use these functions to call methods with a list of arguments, such
+ * as the one passed to forward:: .
+ *
+ * The contents of the argument list are architecture-specific.
+ * Consult your local function call ABI documentation for details.
+ *
+ * These functions must be cast to an appropriate function pointer type
+ * before being called, except for objc_msgSendv_stret() which must not
+ * be cast to a struct-returning type.
+ */
+
+typedef void* marg_list;
+
+OBJC_EXPORT id objc_msgSendv(id self, SEL op, size_t arg_size, marg_list arg_frame) OBJC2_UNAVAILABLE;
+OBJC_EXPORT void objc_msgSendv_stret(void *stretAddr, id self, SEL op, size_t arg_size, marg_list arg_frame) OBJC2_UNAVAILABLE;
+/* Note that objc_msgSendv_stret() does not return a structure type,
+ * and should not be cast to do so. This is unlike objc_msgSend_stret()
+ * and objc_msgSendSuper_stret().
+ */
+#if defined(__i386__)
+OBJC_EXPORT double objc_msgSendv_fpret(id self, SEL op, unsigned arg_size, marg_list arg_frame) OBJC2_UNAVAILABLE;
+#endif
+
+
+/* The following marg_list macros are of marginal utility. They
+ * are included for compatibility with the old objc-class.h header. */
+
+#if !__OBJC2__
+
+#if defined(__ppc__) || defined(ppc)
+#define marg_prearg_size (13*sizeof(double)+6*sizeof(uintptr_t))
+#else
+#define marg_prearg_size 0
+#endif
+
+#define marg_malloc(margs, method) \
+ do { \
+ margs = (marg_list *)malloc (marg_prearg_size + ((7 + method_getSizeOfArguments(method)) & ~7)); \
+ } while (0)
+
+#define marg_free(margs) \
+ do { \
+ free(margs); \
+ } while (0)
+
+#define marg_adjustedOffset(method, offset) \
+ (marg_prearg_size + offset)
+
+#define marg_getRef(margs, offset, type) \
+ ( (type *)((char *)margs + marg_adjustedOffset(method,offset) ) )
+
+#define marg_getValue(margs, offset, type) \
+ ( *marg_getRef(margs, offset, type) )
+
+#define marg_setValue(margs, offset, type, value) \
+ ( marg_getValue(margs, offset, type) = (value) )
+
+#endif
projects / apple / objc4.git / blobdiff