In libobjc/: 2010-10-10 Nicola Pero <nicola.pero@meta-innovation.com>
In libobjc/:
2010-10-10 Nicola Pero <nicola.pero@meta-innovation.com>
* objc/objc-api.h: Define Method, Method_t, Category and
Category_t. Prevent including this file at the same time as
objc/runtime.h. Updated comments.
* objc/deprecated/struct_objc_method.h: Do not define Method,
Method_t.
* objc/deprecated/struct_objc_category.h: Do not define Category,
Category_t.
* objc-private/module-abi-8.h: New file containing a copy of all
the structure definitions. Not used yet.
* objc/encoding.h (objc_aligned_size): Removed duplicate
declaration. Updated comments.
* objc/runtime.h: Added Ivar, objc_property_t, Property, Method,
Category, struct objc_method_description, _C_ID and similar,
_C_CONST and similar and _F_CONST and similar. Added
objc_sizeof_type, objc_alignof_type, objc_aligned_size,
objc_promoted_size, objc_skip_type_qualifier, objc_skip_typespec,
objc_skip_offset, objc_skip_argspec, objc_get_type_qualifiers,
struct objc_struct_layout, objc_layout_structure,
objc_layout_structure_next_member, objc_layout_finish_structure,
objc_layout_structure_get_info. Prevent including this file at
the same time as objc/objc-api.h.
From-SVN: r165256
2010-10-10 19:43:07 +02:00
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/* Definitions of Module Structures used by ABI version 8
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2019-01-01 13:31:55 +01:00
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Copyright (C) 1993-2019 Free Software Foundation, Inc.
|
In libobjc/: 2010-10-10 Nicola Pero <nicola.pero@meta-innovation.com>
In libobjc/:
2010-10-10 Nicola Pero <nicola.pero@meta-innovation.com>
* objc/objc-api.h: Define Method, Method_t, Category and
Category_t. Prevent including this file at the same time as
objc/runtime.h. Updated comments.
* objc/deprecated/struct_objc_method.h: Do not define Method,
Method_t.
* objc/deprecated/struct_objc_category.h: Do not define Category,
Category_t.
* objc-private/module-abi-8.h: New file containing a copy of all
the structure definitions. Not used yet.
* objc/encoding.h (objc_aligned_size): Removed duplicate
declaration. Updated comments.
* objc/runtime.h: Added Ivar, objc_property_t, Property, Method,
Category, struct objc_method_description, _C_ID and similar,
_C_CONST and similar and _F_CONST and similar. Added
objc_sizeof_type, objc_alignof_type, objc_aligned_size,
objc_promoted_size, objc_skip_type_qualifier, objc_skip_typespec,
objc_skip_offset, objc_skip_argspec, objc_get_type_qualifiers,
struct objc_struct_layout, objc_layout_structure,
objc_layout_structure_next_member, objc_layout_finish_structure,
objc_layout_structure_get_info. Prevent including this file at
the same time as objc/objc-api.h.
From-SVN: r165256
2010-10-10 19:43:07 +02:00
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it under the
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terms of the GNU General Public License as published by the Free Software
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Foundation; either version 3, or (at your option) any later version.
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GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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details.
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Under Section 7 of GPL version 3, you are granted additional
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permissions described in the GCC Runtime Library Exception, version
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3.1, as published by the Free Software Foundation.
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You should have received a copy of the GNU General Public License and
|
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a copy of the GCC Runtime Library Exception along with this program;
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see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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<http://www.gnu.org/licenses/>. */
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#ifndef __objc_private_module_abi_8_INCLUDE_GNU
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#define __objc_private_module_abi_8_INCLUDE_GNU
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/* For every class which happens to have statically allocated instances in
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this module, one OBJC_STATIC_INSTANCES is allocated by the compiler.
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INSTANCES is NULL terminated and points to all statically allocated
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instances of this class. */
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struct objc_static_instances
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{
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char *class_name;
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#ifdef __cplusplus
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id instances[1];
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#else
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id instances[0];
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#endif
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};
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/* Whereas a Module (defined further down) is the root (typically) of a file,
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a Symtab is the root of the class and category definitions within the
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module.
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A Symtab contains a variable length array of pointers to classes and
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categories defined in the module. */
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struct objc_symtab
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{
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2010-12-11 15:03:38 +01:00
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unsigned long sel_ref_cnt; /* Unused (always set to 0). */
|
2010-12-21 13:49:26 +01:00
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struct objc_selector *refs; /* The table of selectors referenced in
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2010-12-11 15:03:38 +01:00
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this module. This is terminated by a
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selector with NULL sel_id and NULL
|
2010-12-21 13:49:26 +01:00
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sel_types. Note that we use the type
|
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'struct objc_selector *' and not
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'SEL' (which is 'const struct
|
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objc_selector *') because the sel_id
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of these selectors is patched up by
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the runtime when the module is
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loaded. */
|
In libobjc/: 2010-10-10 Nicola Pero <nicola.pero@meta-innovation.com>
In libobjc/:
2010-10-10 Nicola Pero <nicola.pero@meta-innovation.com>
* objc/objc-api.h: Define Method, Method_t, Category and
Category_t. Prevent including this file at the same time as
objc/runtime.h. Updated comments.
* objc/deprecated/struct_objc_method.h: Do not define Method,
Method_t.
* objc/deprecated/struct_objc_category.h: Do not define Category,
Category_t.
* objc-private/module-abi-8.h: New file containing a copy of all
the structure definitions. Not used yet.
* objc/encoding.h (objc_aligned_size): Removed duplicate
declaration. Updated comments.
* objc/runtime.h: Added Ivar, objc_property_t, Property, Method,
Category, struct objc_method_description, _C_ID and similar,
_C_CONST and similar and _F_CONST and similar. Added
objc_sizeof_type, objc_alignof_type, objc_aligned_size,
objc_promoted_size, objc_skip_type_qualifier, objc_skip_typespec,
objc_skip_offset, objc_skip_argspec, objc_get_type_qualifiers,
struct objc_struct_layout, objc_layout_structure,
objc_layout_structure_next_member, objc_layout_finish_structure,
objc_layout_structure_get_info. Prevent including this file at
the same time as objc/objc-api.h.
From-SVN: r165256
2010-10-10 19:43:07 +02:00
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unsigned short cls_def_cnt; /* Number of classes compiled (defined)
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in the module. */
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unsigned short cat_def_cnt; /* Number of categories compiled
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(defined) in the module. */
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void *defs[1]; /* Variable array of pointers.
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cls_def_cnt of type Class followed by
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cat_def_cnt of type Category_t,
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followed by a NULL terminated array
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of objc_static_instances. */
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};
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/* The compiler generates one of these structures for each module that
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composes the executable (eg main.m).
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This data structure is the root of the definition tree for the
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module.
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A collect program runs between ld stages and creates a ObjC ctor
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array. That array holds a pointer to each module structure of the
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executable. */
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struct objc_module
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{
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unsigned long version; /* Version of the Module data
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structure. */
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unsigned long size; /* sizeof(Module) according to the
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compiler - only used to sanity check
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that it matches sizeof(Module)
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according to the runtime. */
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const char* name; /* Name of the file used to compile the
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module - not set by modern compilers
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for security reasons. */
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struct objc_symtab *symtab; /* Pointer to the Symtab of the module.
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The Symtab holds an array of pointers
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to the classes and categories defined
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in the module. */
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};
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/* The compiler generates one of these structures for a class that has
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instance variables defined in its specification. */
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struct objc_ivar
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{
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const char* ivar_name; /* Name of the instance variable as entered
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in the class definition. */
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const char* ivar_type; /* Description of the Ivar's type. Useful
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for debuggers. */
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int ivar_offset; /* Byte offset from the base address of the
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instance structure to the variable. */
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};
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struct objc_ivar_list
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{
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int ivar_count; /* Number of structures (Ivar)
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contained in the list. One
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structure per instance variable
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defined in the class. */
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struct objc_ivar ivar_list[1]; /* Variable length structure. */
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};
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/* The compiler generates one (or more) of these structures for a
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class that has methods defined in its specification.
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The implementation of a class can be broken into separate pieces in
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a file and categories can break them across modules. To handle this
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problem is a singly linked list of methods. */
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struct objc_method
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{
|
2010-10-15 12:35:00 +02:00
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SEL method_name; /* This variable is the method's name.
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The compiler puts a char* here, and
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it's replaced by a real SEL at runtime
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when the method is registered. */
|
In libobjc/: 2010-10-10 Nicola Pero <nicola.pero@meta-innovation.com>
In libobjc/:
2010-10-10 Nicola Pero <nicola.pero@meta-innovation.com>
* objc/objc-api.h: Define Method, Method_t, Category and
Category_t. Prevent including this file at the same time as
objc/runtime.h. Updated comments.
* objc/deprecated/struct_objc_method.h: Do not define Method,
Method_t.
* objc/deprecated/struct_objc_category.h: Do not define Category,
Category_t.
* objc-private/module-abi-8.h: New file containing a copy of all
the structure definitions. Not used yet.
* objc/encoding.h (objc_aligned_size): Removed duplicate
declaration. Updated comments.
* objc/runtime.h: Added Ivar, objc_property_t, Property, Method,
Category, struct objc_method_description, _C_ID and similar,
_C_CONST and similar and _F_CONST and similar. Added
objc_sizeof_type, objc_alignof_type, objc_aligned_size,
objc_promoted_size, objc_skip_type_qualifier, objc_skip_typespec,
objc_skip_offset, objc_skip_argspec, objc_get_type_qualifiers,
struct objc_struct_layout, objc_layout_structure,
objc_layout_structure_next_member, objc_layout_finish_structure,
objc_layout_structure_get_info. Prevent including this file at
the same time as objc/objc-api.h.
From-SVN: r165256
2010-10-10 19:43:07 +02:00
|
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const char* method_types; /* Description of the method's parameter
|
2010-10-15 12:35:00 +02:00
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list. Used when registering the
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selector with the runtime. When that
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happens, method_name will contain the
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|
method's parameter list. */
|
In libobjc/: 2010-10-10 Nicola Pero <nicola.pero@meta-innovation.com>
In libobjc/:
2010-10-10 Nicola Pero <nicola.pero@meta-innovation.com>
* objc/objc-api.h: Define Method, Method_t, Category and
Category_t. Prevent including this file at the same time as
objc/runtime.h. Updated comments.
* objc/deprecated/struct_objc_method.h: Do not define Method,
Method_t.
* objc/deprecated/struct_objc_category.h: Do not define Category,
Category_t.
* objc-private/module-abi-8.h: New file containing a copy of all
the structure definitions. Not used yet.
* objc/encoding.h (objc_aligned_size): Removed duplicate
declaration. Updated comments.
* objc/runtime.h: Added Ivar, objc_property_t, Property, Method,
Category, struct objc_method_description, _C_ID and similar,
_C_CONST and similar and _F_CONST and similar. Added
objc_sizeof_type, objc_alignof_type, objc_aligned_size,
objc_promoted_size, objc_skip_type_qualifier, objc_skip_typespec,
objc_skip_offset, objc_skip_argspec, objc_get_type_qualifiers,
struct objc_struct_layout, objc_layout_structure,
objc_layout_structure_next_member, objc_layout_finish_structure,
objc_layout_structure_get_info. Prevent including this file at
the same time as objc/objc-api.h.
From-SVN: r165256
2010-10-10 19:43:07 +02:00
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IMP method_imp; /* Address of the method in the
|
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executable. */
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};
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struct objc_method_list
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{
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struct objc_method_list* method_next; /* This variable is used to
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link a method list to
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another. It is a singly
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linked list. */
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int method_count; /* Number of methods defined
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in this structure. */
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struct objc_method method_list[1]; /* Variable length
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structure. */
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};
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|
2011-06-07 21:37:35 +02:00
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/* Note that a 'struct objc_method_description' as embedded inside a
|
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Protocol uses the same trick as a 'struct objc_method': the
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method_name is a 'char *' according to the compiler, who puts the
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method name as a string in there. At runtime, the selectors need
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to be registered, and the method_name then becomes a SEL. */
|
2010-10-12 04:43:25 +02:00
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struct objc_method_description_list
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{
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int count;
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struct objc_method_description list[1];
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};
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struct objc_protocol {
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struct objc_class* class_pointer;
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char *protocol_name;
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struct objc_protocol_list *protocol_list;
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struct objc_method_description_list *instance_methods, *class_methods;
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};
|
2011-06-07 21:37:35 +02:00
|
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|
|
2010-10-12 04:43:25 +02:00
|
|
|
|
In libobjc/: 2010-10-10 Nicola Pero <nicola.pero@meta-innovation.com>
In libobjc/:
2010-10-10 Nicola Pero <nicola.pero@meta-innovation.com>
* objc/objc-api.h: Define Method, Method_t, Category and
Category_t. Prevent including this file at the same time as
objc/runtime.h. Updated comments.
* objc/deprecated/struct_objc_method.h: Do not define Method,
Method_t.
* objc/deprecated/struct_objc_category.h: Do not define Category,
Category_t.
* objc-private/module-abi-8.h: New file containing a copy of all
the structure definitions. Not used yet.
* objc/encoding.h (objc_aligned_size): Removed duplicate
declaration. Updated comments.
* objc/runtime.h: Added Ivar, objc_property_t, Property, Method,
Category, struct objc_method_description, _C_ID and similar,
_C_CONST and similar and _F_CONST and similar. Added
objc_sizeof_type, objc_alignof_type, objc_aligned_size,
objc_promoted_size, objc_skip_type_qualifier, objc_skip_typespec,
objc_skip_offset, objc_skip_argspec, objc_get_type_qualifiers,
struct objc_struct_layout, objc_layout_structure,
objc_layout_structure_next_member, objc_layout_finish_structure,
objc_layout_structure_get_info. Prevent including this file at
the same time as objc/objc-api.h.
From-SVN: r165256
2010-10-10 19:43:07 +02:00
|
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|
struct objc_protocol_list
|
|
|
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{
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|
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struct objc_protocol_list *next;
|
|
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|
size_t count;
|
2011-06-07 21:37:35 +02:00
|
|
|
struct objc_protocol *list[1];
|
In libobjc/: 2010-10-10 Nicola Pero <nicola.pero@meta-innovation.com>
In libobjc/:
2010-10-10 Nicola Pero <nicola.pero@meta-innovation.com>
* objc/objc-api.h: Define Method, Method_t, Category and
Category_t. Prevent including this file at the same time as
objc/runtime.h. Updated comments.
* objc/deprecated/struct_objc_method.h: Do not define Method,
Method_t.
* objc/deprecated/struct_objc_category.h: Do not define Category,
Category_t.
* objc-private/module-abi-8.h: New file containing a copy of all
the structure definitions. Not used yet.
* objc/encoding.h (objc_aligned_size): Removed duplicate
declaration. Updated comments.
* objc/runtime.h: Added Ivar, objc_property_t, Property, Method,
Category, struct objc_method_description, _C_ID and similar,
_C_CONST and similar and _F_CONST and similar. Added
objc_sizeof_type, objc_alignof_type, objc_aligned_size,
objc_promoted_size, objc_skip_type_qualifier, objc_skip_typespec,
objc_skip_offset, objc_skip_argspec, objc_get_type_qualifiers,
struct objc_struct_layout, objc_layout_structure,
objc_layout_structure_next_member, objc_layout_finish_structure,
objc_layout_structure_get_info. Prevent including this file at
the same time as objc/objc-api.h.
From-SVN: r165256
2010-10-10 19:43:07 +02:00
|
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|
};
|
|
|
|
|
2010-10-11 04:36:32 +02:00
|
|
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/*
|
|
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|
The compiler generates one of these structures for each class.
|
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|
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This structure is the definition for classes.
|
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This structure is generated by the compiler in the executable and
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used by the run-time during normal messaging operations. Therefore
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some members change type. The compiler generates "char* const" and
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places a string in the following member variables: super_class.
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*/
|
2010-10-16 23:26:59 +02:00
|
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|
struct objc_class {
|
2010-10-11 04:36:32 +02:00
|
|
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struct objc_class* class_pointer; /* Pointer to the class's meta
|
|
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class. */
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|
struct objc_class* super_class; /* Pointer to the super
|
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|
|
class. NULL for class
|
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|
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Object. */
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|
const char* name; /* Name of the class. */
|
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|
long version; /* Unknown. */
|
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|
unsigned long info; /* Bit mask. See class masks
|
2010-10-12 20:43:54 +02:00
|
|
|
defined below. */
|
2010-10-11 04:36:32 +02:00
|
|
|
long instance_size; /* Size in bytes of the class.
|
|
|
|
The sum of the class
|
|
|
|
definition and all super
|
|
|
|
class definitions. */
|
|
|
|
#ifdef _WIN64
|
|
|
|
/* We pad the structure manually to prevent warning when -Wpadded is
|
|
|
|
used. The compiler automatically pads the structures that it
|
|
|
|
generates, so this manually padded structure still matches the
|
|
|
|
one generated by the compiler, but if we don't pad manually,
|
|
|
|
-Wpadded detects that padding is being added and generates
|
|
|
|
annoying warnings. This hack is necessary as on LLP64 targets
|
|
|
|
sizeof (long) isn't equal to sizeof (void *). */
|
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|
|
long pad;
|
|
|
|
#endif
|
|
|
|
struct objc_ivar_list* ivars; /* Pointer to a structure that
|
|
|
|
describes the instance
|
|
|
|
variables in the class
|
|
|
|
definition. NULL indicates
|
|
|
|
no instance variables.
|
|
|
|
Does not include super
|
|
|
|
class variables. */
|
|
|
|
struct objc_method_list* methods; /* Linked list of instance
|
|
|
|
methods defined for the
|
|
|
|
class. */
|
|
|
|
struct sarray * dtable; /* Pointer to instance method
|
|
|
|
dispatch table. */
|
|
|
|
struct objc_class* subclass_list; /* Subclasses */
|
|
|
|
struct objc_class* sibling_class;
|
|
|
|
|
|
|
|
struct objc_protocol_list *protocols; /* Protocols conformed to */
|
|
|
|
void* gc_object_type;
|
|
|
|
};
|
|
|
|
|
2010-10-12 20:43:54 +02:00
|
|
|
/* This is used to assure consistent access to the info field of
|
|
|
|
classes. */
|
|
|
|
#ifndef HOST_BITS_PER_LONG
|
|
|
|
# define HOST_BITS_PER_LONG (sizeof(long)*8)
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#define __CLS_INFO(cls) ((cls)->info)
|
|
|
|
#define __CLS_ISINFO(cls, mask) ((__CLS_INFO(cls)&mask)==mask)
|
|
|
|
#define __CLS_SETINFO(cls, mask) (__CLS_INFO(cls) |= mask)
|
2010-10-16 23:26:59 +02:00
|
|
|
#define __CLS_SETNOTINFO(cls, mask) (__CLS_INFO(cls) &= ~mask)
|
2010-10-12 20:43:54 +02:00
|
|
|
|
|
|
|
/* The structure is of type MetaClass */
|
|
|
|
#define _CLS_META 0x2L
|
|
|
|
#define CLS_ISMETA(cls) ((cls)&&__CLS_ISINFO(cls, _CLS_META))
|
|
|
|
|
|
|
|
/* The structure is of type Class */
|
|
|
|
#define _CLS_CLASS 0x1L
|
|
|
|
#define CLS_ISCLASS(cls) ((cls)&&__CLS_ISINFO(cls, _CLS_CLASS))
|
|
|
|
|
|
|
|
/* The class is initialized within the runtime. This means that it
|
|
|
|
has had correct super and sublinks assigned. */
|
|
|
|
#define _CLS_RESOLV 0x8L
|
|
|
|
#define CLS_ISRESOLV(cls) __CLS_ISINFO(cls, _CLS_RESOLV)
|
|
|
|
#define CLS_SETRESOLV(cls) __CLS_SETINFO(cls, _CLS_RESOLV)
|
|
|
|
|
|
|
|
/* The class has been send a +initialize message or a such is not
|
|
|
|
defined for this class. */
|
|
|
|
#define _CLS_INITIALIZED 0x04L
|
|
|
|
#define CLS_ISINITIALIZED(cls) __CLS_ISINFO(cls, _CLS_INITIALIZED)
|
|
|
|
#define CLS_SETINITIALIZED(cls) __CLS_SETINFO(cls, _CLS_INITIALIZED)
|
|
|
|
|
2010-10-16 23:26:59 +02:00
|
|
|
/* The class is being constructed; it has been allocated using
|
|
|
|
objc_allocateClassPair(), but has not been registered yet by using
|
|
|
|
objc_registerClassPair(). This means it is possible to freely add
|
|
|
|
instance variables to the class, but it can't be used for anything
|
|
|
|
yet. */
|
|
|
|
#define _CLS_IN_CONSTRUCTION 0x10L
|
|
|
|
#define CLS_IS_IN_CONSTRUCTION(cls) __CLS_ISINFO(cls, _CLS_IN_CONSTRUCTION)
|
|
|
|
#define CLS_SET_IN_CONSTRUCTION(cls) __CLS_SETINFO(cls, _CLS_IN_CONSTRUCTION)
|
|
|
|
#define CLS_SET_NOT_IN_CONSTRUCTION(cls) __CLS_SETNOTINFO(cls, _CLS_IN_CONSTRUCTION)
|
|
|
|
|
2010-10-12 20:43:54 +02:00
|
|
|
/* The class number of this class. This must be the same for both the
|
|
|
|
class and its meta class object. */
|
|
|
|
#define CLS_GETNUMBER(cls) (__CLS_INFO(cls) >> (HOST_BITS_PER_LONG/2))
|
|
|
|
#define CLS_SETNUMBER(cls, num) \
|
|
|
|
({ (cls)->info <<= (HOST_BITS_PER_LONG/2); \
|
|
|
|
(cls)->info >>= (HOST_BITS_PER_LONG/2); \
|
|
|
|
__CLS_SETINFO(cls, (((unsigned long)num) << (HOST_BITS_PER_LONG/2))); })
|
|
|
|
|
In libobjc/: 2010-10-10 Nicola Pero <nicola.pero@meta-innovation.com>
In libobjc/:
2010-10-10 Nicola Pero <nicola.pero@meta-innovation.com>
* objc/objc-api.h: Define Method, Method_t, Category and
Category_t. Prevent including this file at the same time as
objc/runtime.h. Updated comments.
* objc/deprecated/struct_objc_method.h: Do not define Method,
Method_t.
* objc/deprecated/struct_objc_category.h: Do not define Category,
Category_t.
* objc-private/module-abi-8.h: New file containing a copy of all
the structure definitions. Not used yet.
* objc/encoding.h (objc_aligned_size): Removed duplicate
declaration. Updated comments.
* objc/runtime.h: Added Ivar, objc_property_t, Property, Method,
Category, struct objc_method_description, _C_ID and similar,
_C_CONST and similar and _F_CONST and similar. Added
objc_sizeof_type, objc_alignof_type, objc_aligned_size,
objc_promoted_size, objc_skip_type_qualifier, objc_skip_typespec,
objc_skip_offset, objc_skip_argspec, objc_get_type_qualifiers,
struct objc_struct_layout, objc_layout_structure,
objc_layout_structure_next_member, objc_layout_finish_structure,
objc_layout_structure_get_info. Prevent including this file at
the same time as objc/objc-api.h.
From-SVN: r165256
2010-10-10 19:43:07 +02:00
|
|
|
/* The compiler generates one of these structures for each category.
|
|
|
|
A class may have many categories and contain both instance and
|
|
|
|
factory methods. */
|
|
|
|
struct objc_category
|
|
|
|
{
|
|
|
|
const char* category_name; /* Name of the category.
|
|
|
|
Name contained in the
|
|
|
|
() of the category
|
|
|
|
definition. */
|
|
|
|
const char* class_name; /* Name of the class to
|
|
|
|
which the category
|
|
|
|
belongs. */
|
|
|
|
struct objc_method_list *instance_methods; /* Linked list of
|
|
|
|
instance methods
|
|
|
|
defined in the
|
|
|
|
category. NULL
|
|
|
|
indicates no instance
|
|
|
|
methods defined. */
|
|
|
|
struct objc_method_list *class_methods; /* Linked list of
|
|
|
|
factory methods
|
|
|
|
defined in the
|
|
|
|
category. NULL
|
|
|
|
indicates no class
|
|
|
|
methods defined. */
|
|
|
|
struct objc_protocol_list *protocols; /* List of Protocols
|
|
|
|
conformed to. */
|
|
|
|
};
|
|
|
|
|
|
|
|
#endif /* __objc_private_module_abi_8_INCLUDE_GNU */
|