ObjFW  Check-in [964b5ed33c]

	    -DOBJFW_LIB_MINOR=${OBJFW_LIB_MINOR}
AMIGA_LIB_CFLAGS += -DOF_COMPILING_AMIGA_LIBRARY
LD = ${OBJC}
FRAMEWORK_LIBS := -Fruntime				\
		  ${RUNTIME_FRAMEWORK_LIBS}		\
		  ${REEXPORT_RUNTIME_FRAMEWORK}		\
		  ${LIBS}
LIBS := -Lruntime -Lruntime/linklib ${RUNTIME_LIBS} ${REEXPORT_RUNTIME} ${LIBS}
AMIGA_LIB_LIBS = ${LIBS}

 * 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 "amiga-library.h"
#import "platform.h"

#ifdef OF_AMIGAOS_M68K
# define PPC_PARAMS(...) (void)
# define M68K_ARG OF_M68K_ARG
#else
# define PPC_PARAMS(...) (__VA_ARGS__)
# define M68K_ARG(...)
#endif

#ifdef OF_MORPHOS
/* All __saveds functions in this file need to use the SysV ABI */
__asm__ (
    ".section .text\n"
    ".align 2\n"
    "__restore_r13:\n"
    "	lwz	%r13, 44(%r12)\n"
    "	blr\n"
);
#endif


bool __saveds
glue_of_init PPC_PARAMS(unsigned int version, struct of_libc *libc,
    FILE *stderr_)
{
	M68K_ARG(unsigned int, version, d0)
	M68K_ARG(struct objc_libc *, libc, a0)
	M68K_ARG(FILE *, stderr_, a1)

	return of_init(version, libc, stderr_);
}

/*
 * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017,
 *               2018, 2019, 2020
 *   Jonathan Schleifer <js@nil.im>
 *
 * 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.
 */

#import "macros.h"

#if defined(OF_COMPILING_AMIGA_LIBRARY) || defined(OF_COMPILING_AMIGA_LINKLIB)
struct of_libc {
	void *_Nullable (*_Nonnull malloc)(size_t);
	void *_Nullable (*_Nonnull calloc)(size_t, size_t);
	void *_Nullable (*_Nonnull realloc)(void *_Nullable, size_t);
	void (*_Nonnull free)(void *_Nullable);
	int (*_Nonnull vfprintf)(FILE *_Nonnull restrict,
	    const char *restrict _Nonnull, va_list);
	int (*_Nonnull vsnprintf)(const char *_Nonnull restrict, size_t,
	    const char *_Nonnull restrict, va_list);
	void (*_Nonnull exit)(int);
	void (*_Nonnull abort)(void);
	char *(*_Nonnull setlocale)(int, const char *_Nullable);
	void (*_Nonnull __register_frame_info)(const void *_Nonnull,
	    void *_Nonnull);
	void *(*_Nonnull __deregister_frame_info)(const void *_Nonnull);
};
#endif

 * 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"



#include <exec/libraries.h>
#include <exec/nodes.h>
#include <exec/resident.h>
#include <proto/exec.h>

#import "amiga-library.h"
#import "macros.h"

#define CONCAT_VERSION2(major, minor) #major "." #minor
#define CONCAT_VERSION(major, minor) CONCAT_VERSION2(major, minor)
#define VERSION_STRING CONCAT_VERSION(OBJFW_LIB_MAJOR, OBJFW_LIB_MINOR)

#if defined(OF_AMIGAOS_M68K)
# define DATA_OFFSET 0x7FFE

#ifdef OF_AMIGAOS_M68K
extern uintptr_t __CTOR_LIST__[];
extern const void *_EH_FRAME_BEGINS__;
extern void *_EH_FRAME_OBJECTS__;
#endif

extern bool glue_of_init(void);

#ifdef OF_MORPHOS
const ULONG __abox__ = 1;
#endif
struct ExecBase *SysBase;
struct of_libc libc;
FILE *stderr;

#if defined(OF_AMIGAOS_M68K)
__asm__ (
    ".text\n"
    ".globl ___restore_a4\n"
    ".align 1\n"
    "___restore_a4:\n"

}

static void *
lib_null(void)
{
	return NULL;
}

bool
of_init(unsigned int version, struct of_libc *libc_, FILE *stderr_)
{
#ifdef OF_AMIGAOS_M68K
	OF_M68K_ARG(struct ObjFWBase *, base, a6)
#else
	register struct ObjFWBase *r12 __asm__("r12");
	struct ObjFWBase *base = r12;
#endif
	uintptr_t *iter, *iter0;

	if (version > 1)
		return false;

	if (base->initialized)
		return true;

	memcpy(&libc, libc_, sizeof(libc));
	stderr = stderr_;

#ifdef OF_AMIGAOS_M68K
	if ((size_t)_EH_FRAME_BEGINS__ != (size_t)_EH_FRAME_OBJECTS__)
		return false;

	for (size_t i = 1; i <= (size_t)_EH_FRAME_BEGINS__; i++)
		libc.__register_frame_info((&_EH_FRAME_BEGINS__)[i],
		    (&_EH_FRAME_OBJECTS__)[i]);

	iter0 = &__CTOR_LIST__[1];
#elif defined(OF_MORPHOS)
	__asm__ (
	    "lis	%0, ctors+4@ha\n\t"
	    "la		%0, ctors+4@l(%0)\n\t"
	    : "=r"(iter0)
	);
#endif

	for (iter = iter0; *iter != 0; iter++);

	while (iter > iter0) {
		void (*ctor)(void) = (void (*)(void))*--iter;
		ctor();
	}

	base->initialized = true;

	return true;
}

void *
malloc(size_t size)
{
	return libc.malloc(size);
}

void *
calloc(size_t count, size_t size)
{
	return libc.calloc(count, size);
}

void *
realloc(void *ptr, size_t size)
{
	return libc.realloc(ptr, size);
}

void
free(void *ptr)
{
	libc.free(ptr);
}

int
fprintf(FILE *restrict stream, const char *restrict fmt, ...)
{
	int ret;
	va_list args;

	va_start(args, fmt);
	ret = libc.vfprintf(stream, fmt, args);
	va_end(args);

	return ret;
}

int
vsnprintf(char *restrict str, size_t size, const char *restrict fmt,
    va_list args)
{
	return libc.vsnprintf(str, size, fmt, args);
}

void
exit(int status)
{
	libc.exit(status);

	OF_UNREACHABLE
}

void
abort(void)
{
	libc.abort();

	OF_UNREACHABLE
}

char *
setlocale(int category, const char *locale)
{
	return libc.setlocale(category, locale);
}

#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wpedantic"
static CONST_APTR functionTable[] = {
#ifdef OF_MORPHOS
	(CONST_APTR)FUNCARRAY_BEGIN,
	(CONST_APTR)FUNCARRAY_32BIT_NATIVE,
#endif
	(CONST_APTR)lib_open,
	(CONST_APTR)lib_close,
	(CONST_APTR)lib_expunge,
	(CONST_APTR)lib_null,
#ifdef OF_MORPHOS
	(CONST_APTR)-1,
	(CONST_APTR)FUNCARRAY_32BIT_SYSTEMV,
#endif
	(CONST_APTR)glue_of_init,
#ifdef OF_MORPHOS
	(CONST_APTR)FUNCARRAY_END
#endif
};
#pragma GCC diagnostic pop

static struct {

#  include <ppcinline/macros.h>
#  define OF_M68K_ARG(type, name, reg) type name = (type)REG_##reg;
# else
#  define OF_M68K_ARG(type, name, reg)		\
	register type reg_##name __asm__(#reg);	\
	type name = reg_##name;
# endif
# undef stderr
extern FILE *stderr;
#endif

#ifdef __GNUC__
# ifdef OF_X86_64
#  define OF_X86_64_ASM
# endif
# ifdef OF_X86

extern void glue_objc_hashtable_free(void);

#ifdef OF_MORPHOS
const ULONG __abox__ = 1;
#endif
struct ExecBase *SysBase;
struct objc_libc libc;
FILE *stdout, *stderr;


#if defined(OF_AMIGAOS_M68K)
__asm__ (
    ".text\n"
    ".globl ___restore_a4\n"
    ".align 1\n"
    "___restore_a4:\n"

	register struct ObjFWRTBase *r12 __asm__("r12");
	struct ObjFWRTBase *base = r12;
#endif
	uintptr_t *iter, *iter0;

	if (version > 1)
		return false;

	if (base->initialized)
		return true;

	memcpy(&libc, libc_, sizeof(libc));
	stdout = stdout_;
	stderr = stderr_;

#ifdef OF_AMIGAOS_M68K
	if ((size_t)_EH_FRAME_BEGINS__ != (size_t)_EH_FRAME_OBJECTS__)

#if defined(OBJC_COMPILING_AMIGA_LIBRARY) || \
    defined(OBJC_COMPILING_AMIGA_LINKLIB)
struct objc_libc {
	void *_Nullable (*_Nonnull malloc)(size_t);
	void *_Nullable (*_Nonnull calloc)(size_t, size_t);
	void *_Nullable (*_Nonnull realloc)(void *_Nullable, size_t);
	void (*_Nonnull free)(void *_Nullable);
	int (*_Nonnull vfprintf)(FILE *_Nonnull restrict,
	    const char *_Nonnull restrict, va_list);
	int (*_Nonnull fflush)(FILE *_Nonnull);
	void (*_Nonnull abort)(void);
# ifdef HAVE_SJLJ_EXCEPTIONS
	int (*_Nonnull _Unwind_SjLj_RaiseException)(void *_Nonnull);
# else
	int (*_Nonnull _Unwind_RaiseException)(void *_Nonnull);
# endif