/*
* Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017,
* 2018
* Jonathan Schleifer <js@heap.zone>
*
* All rights reserved.
*
* This file is part of ObjFW. It may be distributed under the terms of the
* Q Public License 1.0, which can be found in the file LICENSE.QPL included in
* the packaging of this file.
*
* Alternatively, it may be distributed under the terms of the GNU General
* Public License, either version 2 or 3, which can be found in the file
* LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
* file.
*/
#include "config.h"
#import "ObjFW_RT.h"
#import "private.h"
#import "macros.h"
#ifdef OF_AMIGAOS_M68K
# define INTUITION_CLASSES_H
#endif
#include <proto/exec.h>
#import "inline.h"
#include <stdio.h>
#include <stdlib.h>
#ifdef HAVE_SJLJ_EXCEPTIONS
extern int _Unwind_SjLj_RaiseException(void *);
#else
extern int _Unwind_RaiseException(void *);
#endif
extern void _Unwind_DeleteException(void *);
extern void *_Unwind_GetLanguageSpecificData(void *);
extern uintptr_t _Unwind_GetRegionStart(void *);
extern uintptr_t _Unwind_GetDataRelBase(void *);
extern uintptr_t _Unwind_GetTextRelBase(void *);
extern uintptr_t _Unwind_GetIP(void *);
extern uintptr_t _Unwind_GetGR(void *, int);
extern void _Unwind_SetIP(void *, uintptr_t);
extern void _Unwind_SetGR(void *, int, uintptr_t);
#ifdef HAVE_SJLJ_EXCEPTIONS
extern void _Unwind_SjLj_Resume(void *);
#else
extern void _Unwind_Resume(void *);
#endif
extern void __register_frame_info(const void *, void *);
extern void __deregister_frame_info(const void *);
struct Library *ObjFWRTBase;
void *__objc_class_name_Protocol;
static void __attribute__((__constructor__))
init(void)
{
static bool initialized = false;
struct objc_libc libc = {
.malloc = malloc,
.calloc = calloc,
.realloc = realloc,
.free = free,
.vfprintf = vfprintf,
.fflush = fflush,
.exit = exit,
.abort = abort,
#ifdef HAVE_SJLJ_EXCEPTIONS
._Unwind_SjLj_RaiseException = _Unwind_SjLj_RaiseException,
#else
._Unwind_RaiseException = _Unwind_RaiseException,
#endif
._Unwind_DeleteException = _Unwind_DeleteException,
._Unwind_GetLanguageSpecificData =
_Unwind_GetLanguageSpecificData,
._Unwind_GetRegionStart = _Unwind_GetRegionStart,
._Unwind_GetDataRelBase = _Unwind_GetDataRelBase,
._Unwind_GetTextRelBase = _Unwind_GetTextRelBase,
._Unwind_GetIP = _Unwind_GetIP,
._Unwind_GetGR = _Unwind_GetGR,
._Unwind_SetIP = _Unwind_SetIP,
._Unwind_SetGR = _Unwind_SetGR,
#ifdef HAVE_SJLJ_EXCEPTIONS
._Unwind_SjLj_Resume = _Unwind_SjLj_Resume,
#else
._Unwind_Resume = _Unwind_Resume,
#endif
.__register_frame_info = __register_frame_info,
.__deregister_frame_info = __deregister_frame_info,
};
if (initialized)
return;
if ((ObjFWRTBase = OpenLibrary("objfw_rt.library", 0)) == NULL) {
fputs("Failed to open objfw_rt.library!\n", stderr);
abort();
}
if (!objc_init_m68k(1, &libc, stdout, stderr)) {
fputs("Failed to initialize objfw_rt.library!\n", stderr);
abort();
}
initialized = true;
}
OF_DESTRUCTOR()
{
CloseLibrary(ObjFWRTBase);
}
void
__objc_exec_class(void *module)
{
/*
* The compiler generates constructors that call into this, so it is
* possible that we are not set up yet when we get called.
*/
init();
__objc_exec_class_m68k(module);
}
IMP
objc_msg_lookup(id obj, SEL sel)
{
return objc_msg_lookup_m68k(obj, sel);
}
IMP
objc_msg_lookup_stret(id obj, SEL sel)
{
return objc_msg_lookup_stret_m68k(obj, sel);
}
IMP
objc_msg_lookup_super(struct objc_super *super, SEL sel)
{
return objc_msg_lookup_super_m68k(super, sel);
}
IMP
objc_msg_lookup_super_stret(struct objc_super *super, SEL sel)
{
return objc_msg_lookup_super_stret_m68k(super, sel);
}
Class
objc_lookUpClass(const char *name)
{
return objc_lookUpClass_m68k(name);
}
Class
objc_getClass(const char *name)
{
return objc_getClass_m68k(name);
}
Class
objc_getRequiredClass(const char *name)
{
return objc_getRequiredClass_m68k(name);
}
Class
objc_lookup_class(const char *name)
{
return objc_lookup_class_m68k(name);
}
Class
objc_get_class(const char *name)
{
return objc_get_class_m68k(name);
}
void
objc_exception_throw(id object)
{
#ifdef OF_AMIGAOS_M68K
/*
* This does not use the glue code to hack around a compiler bug.
*
* When using the generated inline stubs, the compiler does not emit
* any frame information, making the unwind fail. As unwind always
* starts from objc_exception_throw(), this means exceptions would
* never work. If, however, we're using a function pointer instead of
* the inline stub, the compiler does generate a frame and everything
* works fine.
*/
register void *a6 __asm__("a6") = ObjFWRTBase;
uintptr_t throw = (((uintptr_t)ObjFWRTBase) - 0x60);
((void (*)(id __asm__("a0")))throw)(object);
(void)a6;
#else
objc_exception_throw_m68k(object);
#endif
OF_UNREACHABLE
}
int
objc_sync_enter(id object)
{
return objc_sync_enter_m68k(object);
}
int
objc_sync_exit(id object)
{
return objc_sync_exit_m68k(object);
}
id
objc_getProperty(id self, SEL _cmd, ptrdiff_t offset, bool atomic)
{
return objc_getProperty_m68k(self, _cmd, offset, atomic);
}
void
objc_setProperty(id self, SEL _cmd, ptrdiff_t offset, id value, bool atomic,
signed char copy)
{
objc_setProperty_m68k(self, _cmd, offset, value, atomic, copy);
}
void
objc_getPropertyStruct(void *dest, const void *src, ptrdiff_t size, bool atomic,
bool strong)
{
objc_getPropertyStruct_m68k(dest, src, size, atomic, strong);
}
void
objc_setPropertyStruct(void *dest, const void *src, ptrdiff_t size, bool atomic,
bool strong)
{
objc_setPropertyStruct_m68k(dest, src, size, atomic, strong);
}
void
objc_enumerationMutation(id object)
{
#ifdef OF_AMIGAOS_M68K
/*
* This does not use the glue code to hack around a compiler bug.
*
* When using the generated inline stubs, the compiler does not emit
* any frame information, making the unwind fail. As a result
* objc_enumerationMutation() might throw an exception that could never
* be caught. If, however, we're using a function pointer instead of
* the inline stub, the compiler does generate a frame and everything
* works fine.
*/
register void *a6 __asm__("a6") = ObjFWRTBase;
uintptr_t enumerationMutation = (((uintptr_t)ObjFWRTBase) - 0x8A);
((void (*)(id __asm__("a0")))enumerationMutation)(object);
(void)a6;
#else
objc_enumerationMutation_m68k(object);
#endif
OF_UNREACHABLE
}
#ifdef HAVE_SJLJ_EXCEPTIONS
int
__gnu_objc_personality_sj0(int version, int actions, uint64_t ex_class,
void *ex, void *ctx)
{
return __gnu_objc_personality_sj0_m68k(version, actions, &ex_class,
ex, ctx);
}
#else
int
__gnu_objc_personality_v0(int version, int actions, uint64_t ex_class,
void *ex, void *ctx)
{
return __gnu_objc_personality_v0_m68k(version, actions, &ex_class,
ex, ctx);
}
#endif
SEL
sel_registerName(const char *name)
{
return sel_registerName_m68k(name);
}
const char *
sel_getName(SEL sel)
{
return sel_getName_m68k(sel);
}
bool
sel_isEqual(SEL sel1, SEL sel2)
{
return sel_isEqual_m68k(sel1, sel2);
}
Class
objc_allocateClassPair(Class superclass, const char *name, size_t extra_bytes)
{
return objc_allocateClassPair_m68k(superclass, name, extra_bytes);
}
void
objc_registerClassPair(Class cls)
{
objc_registerClassPair_m68k(cls);
}
unsigned int
objc_getClassList(Class *buf, unsigned int count)
{
return objc_getClassList_m68k(buf, count);
}
Class *
objc_copyClassList(unsigned int *len)
{
return objc_copyClassList_m68k(len);
}
bool
class_isMetaClass(Class cls)
{
return class_isMetaClass_m68k(cls);
}
const char *
class_getName(Class cls)
{
return class_getName_m68k(cls);
}
Class
class_getSuperclass(Class cls)
{
return class_getSuperclass_m68k(cls);
}
unsigned long
class_getInstanceSize(Class cls)
{
return class_getInstanceSize_m68k(cls);
}
bool
class_respondsToSelector(Class cls, SEL sel)
{
return class_respondsToSelector_m68k(cls, sel);
}
bool
class_conformsToProtocol(Class cls, Protocol *p)
{
return class_conformsToProtocol_m68k(cls, p);
}
IMP
class_getMethodImplementation(Class cls, SEL sel)
{
return class_getMethodImplementation_m68k(cls, sel);
}
IMP
class_getMethodImplementation_stret(Class cls, SEL sel)
{
return class_getMethodImplementation_stret_m68k(cls, sel);
}
const char *
class_getMethodTypeEncoding(Class cls, SEL sel)
{
return class_getMethodTypeEncoding_m68k(cls, sel);
}
bool
class_addMethod(Class cls, SEL sel, IMP imp, const char *types)
{
return class_addMethod_m68k(cls, sel, imp, types);
}
IMP
class_replaceMethod(Class cls, SEL sel, IMP imp, const char *types)
{
return class_replaceMethod_m68k(cls, sel, imp, types);
}
Class
object_getClass(id object)
{
return object_getClass_m68k(object);
}
Class
object_setClass(id object, Class cls)
{
return object_setClass_m68k(object, cls);
}
const char *
object_getClassName(id object)
{
return object_getClassName_m68k(object);
}
const char *
protocol_getName(Protocol *p)
{
return protocol_getName_m68k(p);
}
bool
protocol_isEqual(Protocol *a, Protocol *b)
{
return protocol_isEqual_m68k(a, b);
}
bool
protocol_conformsToProtocol(Protocol *a, Protocol *b)
{
return protocol_conformsToProtocol_m68k(a, b);
}
void
objc_exit(void)
{
objc_exit_m68k();
}
objc_uncaught_exception_handler
objc_setUncaughtExceptionHandler(objc_uncaught_exception_handler handler)
{
return objc_setUncaughtExceptionHandler_m68k(handler);
}
void
objc_setForwardHandler(IMP forward, IMP forward_stret)
{
objc_setForwardHandler_m68k(forward, forward_stret);
}
void
objc_setEnumerationMutationHandler(objc_enumeration_mutation_handler handler)
{
objc_setEnumerationMutationHandler_m68k(handler);
}
void
objc_zero_weak_references(id value)
{
objc_zero_weak_references_m68k(value);
}