ObjFW  Diff

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

#import "OFDNSResourceRecord.h"
#import "OFHTTPRequest.h"

#import "OFStdIOStream.h"
#import "OFString.h"

#import "amiga-library.h"
#import "macros.h"
#import "socket.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);
extern void *glue_of_alloc(void);
extern void *glue_of_alloc_zeroed(void);
extern void *glue_of_realloc(void);
extern uint32_t *glue_of_hash_seed_ref(void);
extern OFStdIOStream **glue_of_stdin_ref(void);
extern OFStdIOStream **glue_of_stdout_ref(void);
extern OFStdIOStream **glue_of_stderr_ref(void);
extern void glue_of_logv(void);
extern int glue_of_application_main(void);
extern const char *glue_of_http_request_method_to_string(void);
extern of_http_request_method_t glue_of_http_request_method_from_string(void);
extern OFString *glue_of_http_status_code_to_string(void);
extern size_t glue_of_sizeof_type_encoding(void);
extern size_t glue_of_alignof_type_encoding(void);
extern of_string_encoding_t glue_of_string_parse_encoding(void);
extern OFString *glue_of_string_name_of_encoding(void);
extern size_t glue_of_string_utf8_encode(void);
extern ssize_t glue_of_string_utf8_decode(void);
extern size_t glue_of_string_utf16_length(void);
extern size_t glue_of_string_utf32_length(void);
extern OFString *glue_of_zip_archive_entry_version_to_string(void);
extern OFString *glue_of_zip_archive_entry_compression_method_to_string(void);
extern size_t glue_of_zip_archive_entry_extra_field_find(void);
extern void glue_of_pbkdf2(void);
extern void glue_of_salsa20_8_core(void);
extern void glue_of_scrypt_block_mix(void);
extern void glue_of_scrypt_romix(void);
extern void glue_of_scrypt(void);
extern const char *glue_of_strptime(void);
extern of_socket_address_t glue_of_socket_address_parse_ip(void);
extern of_socket_address_t glue_of_socket_address_parse_ipv4(void);
extern of_socket_address_t glue_of_socket_address_parse_ipv6(void);
extern of_socket_address_t glue_of_socket_address_ipx(void);
extern bool glue_of_socket_address_equal(void);
extern unsigned long glue_of_socket_address_hash(void);
extern OFString *glue_of_socket_address_ip_string(void);
extern void glue_of_socket_address_set_port(void);
extern uint16_t glue_of_socket_address_get_port(void);
extern void glue_of_socket_address_set_ipx_network(void);
extern uint32_t glue_of_socket_address_get_ipx_network(void);
extern void glue_of_socket_address_set_ipx_node(void);
extern void glue_of_socket_address_get_ipx_node(void);
extern OFString *glue_of_dns_class_to_string(void);
extern OFString *glue_of_dns_record_type_to_string(void);
extern of_dns_class_t glue_of_dns_class_parse(void);
extern of_dns_record_type_t glue_of_dns_record_type_parse(void);

#ifdef OF_AMIGAOS_M68K
void
__init_eh(void)
{
	/* Taken care of by of_init() */
}
#endif

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

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

	);
#endif

	return dataDataRelocs;
}

static struct Library *
lib_init(struct ObjFWBase *base OF_M68K_REG(d0), void *segList OF_M68K_REG(a0),
    struct ExecBase *sysBase OF_M68K_REG(a6))
{
#if defined(OF_AMIGAOS_M68K)
	__asm__ __volatile__ (
	    "move.l	a6, _SysBase"
	    :: "a"(sysBase)
	);

	base->parent = NULL;
	base->dataSeg = getDataSeg();

	return &base->library;
}

struct Library *__saveds
lib_open(void)
{
	OF_M68K_ARG(struct ObjFWBase *, base, a6)

	struct ObjFWBase *child;
	size_t dataSize, *dataDataRelocs;
	ptrdiff_t displacement;

	if (base->parent != NULL)
		return NULL;

	base->library.lib_OpenCnt++;
	base->library.lib_Flags &= ~LIBF_DELEXP;

	/*
	 * We cannot use malloc here, as that depends on the libc passed from
	 * the application.
	 */
	if ((child = AllocMem(base->library.lib_NegSize +
	    base->library.lib_PosSize, MEMF_ANY)) == NULL) {
		base->library.lib_OpenCnt--;
		return NULL;
	}

	    base->library.lib_NegSize + base->library.lib_PosSize);

	return segList;
#undef SysBase
}

static void *__saveds
lib_expunge(void)
{
	OF_M68K_ARG(struct ObjFWBase *, base, a6)

	return expunge(base, SysBase);
}

static void *__saveds
lib_close(void)
{
	/*
	 * SysBase becomes invalid during this function, so we store it in
	 * sysBase and add a define to make the inlines use the right one.
	 */
	struct ExecBase *sysBase = SysBase;
#define SysBase sysBase

	OF_M68K_ARG(struct ObjFWBase *, base, a6)

	if (base->parent != NULL) {
		struct ObjFWBase *parent;

#ifdef OF_AMIGAOS_M68K
		if (base->initialized)
			for (size_t i = 1; i <= (size_t)_EH_FRAME_BEGINS__; i++)
				libc.__deregister_frame_info(
				    (&_EH_FRAME_BEGINS__)[i]);
#endif

		parent = base->parent;

		FreeMem(base->dataSeg - DATA_OFFSET, getDataSize());
		FreeMem((char *)base - base->library.lib_NegSize,

		return expunge(base, sysBase);

	return NULL;
#undef SysBase
}

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

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

	if (version > 1)
		return false;

	if (base->initialized)
		return true;

	memcpy(&libc, libc_, sizeof(libc));
	__sF = sF;

#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, __EH_FRAME_BEGIN__@ha\n\t"
	    "la		%0, __EH_FRAME_BEGIN__@l(%0)\n\t"
	    "lis	%1, __CTOR_LIST__@ha\n\t"
	    "la		%1, __CTOR_LIST__@l(%1)\n\t"
	    : "=r"(frame), "=r"(iter0)
	);

	libc.__register_frame(frame);
#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
vfprintf(FILE *restrict stream, const char *restrict fmt, va_list args)
{
	return libc.vfprintf(stream, fmt, args);
}

int
fflush(FILE *restrict stream)
{
	return libc.fflush(stream);
}

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

	OF_UNREACHABLE
}

#ifdef HAVE_SJLJ_EXCEPTIONS
int
_Unwind_SjLj_RaiseException(void *ex)
{
	return libc._Unwind_SjLj_RaiseException(ex);
}
#else
int
_Unwind_RaiseException(void *ex)
{
	return libc._Unwind_RaiseException(ex);
}
#endif

void
_Unwind_DeleteException(void *ex)
{
	libc._Unwind_DeleteException(ex);
}

void *
_Unwind_GetLanguageSpecificData(void *ctx)
{
	return libc._Unwind_GetLanguageSpecificData(ctx);
}

uintptr_t
_Unwind_GetRegionStart(void *ctx)
{
	return libc._Unwind_GetRegionStart(ctx);
}

uintptr_t
_Unwind_GetDataRelBase(void *ctx)
{
	return libc._Unwind_GetDataRelBase(ctx);
}

uintptr_t
_Unwind_GetTextRelBase(void *ctx)
{
	return libc._Unwind_GetTextRelBase(ctx);
}

uintptr_t
_Unwind_GetIP(void *ctx)
{
	return libc._Unwind_GetIP(ctx);
}

uintptr_t
_Unwind_GetGR(void *ctx, int gr)
{
	return libc._Unwind_GetGR(ctx, gr);
}

void
_Unwind_SetIP(void *ctx, uintptr_t ip)
{
	libc._Unwind_SetIP(ctx, ip);
}

void
_Unwind_SetGR(void *ctx, int gr, uintptr_t value)
{
	libc._Unwind_SetGR(ctx, gr, value);
}

#ifdef HAVE_SJLJ_EXCEPTIONS
void
_Unwind_SjLj_Resume(void *ex)
{
	libc._Unwind_SjLj_Resume(ex);
}
#else
void
_Unwind_Resume(void *ex)
{
	libc._Unwind_Resume(ex);
}
#endif

#ifdef OF_AMIGAOS_M68K
void
__register_frame_info(const void *begin, void *object)
{
	libc.__register_frame_info(begin, object);
}

void
*__deregister_frame_info(const void *begin)
{
	return libc.__deregister_frame_info(begin);
}
#endif

#ifdef OF_MORPHOS
void __register_frame(void *frame)
{
	libc.__register_frame(frame);
}

void __deregister_frame(void *frame)
{
	libc.__deregister_frame(frame);
}
#endif

int *
of_get_errno(void)
{
	return libc.get_errno();
}

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

#ifdef OF_AMIGAOS_M68K
int
sscanf(const char *restrict str, const char *restrict fmt, ...)
{
	int ret;
	va_list args;

	va_start(args, fmt);
	ret = libc.vsscanf(str, fmt, args);
	va_end(args);

	return ret;
}
#endif

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

	OF_UNREACHABLE
}

int
atexit(void (*function)(void))
{
	return libc.atexit(function);
}

of_sig_t
signal(int sig, of_sig_t func)
{
	return libc.signal(sig, func);
}

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

int
_Unwind_Backtrace(int (*callback)(void *, void *), void *data)
{
	return libc._Unwind_Backtrace(callback, data);
}

#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,
	(CONST_APTR)glue_of_alloc,
	(CONST_APTR)glue_of_alloc_zeroed,
	(CONST_APTR)glue_of_realloc,
	(CONST_APTR)glue_of_hash_seed_ref,
	(CONST_APTR)glue_of_stdin_ref,
	(CONST_APTR)glue_of_stdout_ref,
	(CONST_APTR)glue_of_stderr_ref,
	(CONST_APTR)glue_of_logv,
	(CONST_APTR)glue_of_application_main,
	(CONST_APTR)glue_of_http_request_method_to_string,
	(CONST_APTR)glue_of_http_request_method_from_string,
	(CONST_APTR)glue_of_http_status_code_to_string,
	(CONST_APTR)glue_of_sizeof_type_encoding,
	(CONST_APTR)glue_of_alignof_type_encoding,
	(CONST_APTR)glue_of_string_parse_encoding,
	(CONST_APTR)glue_of_string_name_of_encoding,
	(CONST_APTR)glue_of_string_utf8_encode,
	(CONST_APTR)glue_of_string_utf8_decode,
	(CONST_APTR)glue_of_string_utf16_length,
	(CONST_APTR)glue_of_string_utf32_length,
	(CONST_APTR)glue_of_zip_archive_entry_version_to_string,
	(CONST_APTR)glue_of_zip_archive_entry_compression_method_to_string,
	(CONST_APTR)glue_of_zip_archive_entry_extra_field_find,
	(CONST_APTR)glue_of_pbkdf2,
	(CONST_APTR)glue_of_salsa20_8_core,
	(CONST_APTR)glue_of_scrypt_block_mix,
	(CONST_APTR)glue_of_scrypt_romix,
	(CONST_APTR)glue_of_scrypt,
	(CONST_APTR)glue_of_strptime,
	(CONST_APTR)glue_of_socket_address_parse_ip,
	(CONST_APTR)glue_of_socket_address_parse_ipv4,
	(CONST_APTR)glue_of_socket_address_parse_ipv6,
	(CONST_APTR)glue_of_socket_address_ipx,
	(CONST_APTR)glue_of_socket_address_equal,
	(CONST_APTR)glue_of_socket_address_hash,
	(CONST_APTR)glue_of_socket_address_ip_string,
	(CONST_APTR)glue_of_socket_address_set_port,
	(CONST_APTR)glue_of_socket_address_get_port,
	(CONST_APTR)glue_of_socket_address_set_ipx_network,
	(CONST_APTR)glue_of_socket_address_get_ipx_network,
	(CONST_APTR)glue_of_socket_address_set_ipx_node,
	(CONST_APTR)glue_of_socket_address_get_ipx_node,
	(CONST_APTR)glue_of_dns_class_to_string,
	(CONST_APTR)glue_of_dns_record_type_to_string,
	(CONST_APTR)glue_of_dns_class_parse,
	(CONST_APTR)glue_of_dns_record_type_parse,
	(CONST_APTR)-1,
#ifdef OF_MORPHOS
	(CONST_APTR)FUNCARRAY_END
#endif
};
#pragma GCC diagnostic pop

static struct {
	ULONG dataSize;
	CONST_APTR *functionTable;
	ULONG *dataTable;
	struct Library *(*initFunc)(
	    struct ObjFWBase *base OF_M68K_REG(d0),
	    void *segList OF_M68K_REG(a0),
	    struct ExecBase *execBase OF_M68K_REG(a6));
} init_table = {
	sizeof(struct ObjFWBase),
	functionTable,
	NULL,
	lib_init
};

struct Resident resident = {
	.rt_MatchWord = RTC_MATCHWORD,
	.rt_MatchTag = &resident,
	.rt_EndSkip = &resident + 1,
	.rt_Flags = RTF_AUTOINIT