[cycript.git] / Trampoline.t.cpp

/* Cycript - Optimizing JavaScript Compiler/Runtime
 * Copyright (C) 2009-2014  Jay Freeman (saurik)
*/

/* GNU Affero General Public License, Version 3 {{{ */
/*
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.

 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.

 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
**/
/* }}} */

#include <TargetConditionals.h>
#if defined(__arm__) || defined(__arm64__)
#undef TARGET_IPHONE_SIMULATOR
#define TARGET_IPHONE_SIMULATOR 1
#endif
#define _PTHREAD_ATTR_T
#include <pthread_internals.h>
#if defined(__arm__) || defined(__arm64__)
#undef TARGET_IPHONE_SIMULATOR
#endif

#include <mach-o/dyld.h>
#include <mach-o/dyld_images.h>
#include <mach-o/loader.h>
#include <mach-o/nlist.h>

#include "Standard.hpp"
#include "Baton.hpp"

static void $bzero(void *data, size_t size) {
    char *bytes(reinterpret_cast<char *>(data));
    for (size_t i(0); i != size; ++i)
        bytes[i] = 0;
}

__attribute__((__unused__))
static void $memcpy(char *dst, const char *src, size_t size) {
    for (size_t i(0); i != size; ++i)
        dst[i] = src[i];
}

static int $strcmp(const char *lhs, const char *rhs) {
    while (*lhs == *rhs) {
        if (*lhs == '\0')
            return 0;
        ++lhs, ++rhs;
    } return *lhs < *rhs ? -1 : 1;
}

static void $strlcpy(char *dst, const char *src, size_t size) {
    if (src == NULL)
        src = "(null)";
    if (size == 0)
        return;
    size_t i(0);
    while (i != size - 1) {
        char value(src[i]);
        if (value == '\0')
            break;
        dst[i++] = value;
    } dst[i] = '\0';
}

__attribute__((__unused__))
static char *$strstr(const char *haystack, const char *needle) {
    if (*needle == '\0')
        return NULL;
    for (; *haystack != '\0'; ++haystack)
        for (size_t i(0); ; ++i)
            if (needle[i] == '\0')
                return const_cast<char *>(haystack);
            else if (needle[i] != haystack[i])
                break;
    return NULL;
}

__attribute__((__unused__))
static size_t $strlen(const char *data) {
    for (size_t i(0); ; ++i)
        if (data[i] == '\0')
            return i;
}

__attribute__((__unused__))
static void $snprintfp(char *dst, size_t size, const void *pointer) {
    uintptr_t value(reinterpret_cast<uintptr_t>(pointer));
    char buffer[32];
    char *end(buffer + sizeof(buffer));
    *--end = '\0';
    if (value == 0)
        *--end = '0';
    else do {
        unsigned digit(value & 0xf);
        value >>= 4;
        *--end = (digit < 10 ? '0' : 'a' - 10) + digit;
    } while (value != 0);
    *--end = 'x';
    *--end = '0';
    $strlcpy(dst, end, size);
}

#ifdef __LP64__
typedef struct mach_header_64 mach_header_xx;
typedef struct nlist_64 nlist_xx;
typedef struct segment_command_64 segment_command_xx;

static const uint32_t LC_SEGMENT_XX = LC_SEGMENT_64;
static const uint32_t MH_MAGIC_XX = MH_MAGIC_64;
#else
typedef struct mach_header mach_header_xx;
typedef struct nlist nlist_xx;
typedef struct segment_command segment_command_xx;

static const uint32_t LC_SEGMENT_XX = LC_SEGMENT;
static const uint32_t MH_MAGIC_XX = MH_MAGIC;
#endif

#define forlc(command, mach, lc, type) \
    if (const struct load_command *load_commands = reinterpret_cast<const struct load_command *>(mach + 1)) \
        if (const struct load_command *lcp = load_commands) \
            for (uint32_t i(0); i != mach->ncmds; ++i, lcp = reinterpret_cast<const struct load_command *>(reinterpret_cast<const uint8_t *>(lcp) + lcp->cmdsize)) \
                if ( \
                    lcp->cmdsize % sizeof(long) != 0 || lcp->cmdsize <= 0 || \
                    reinterpret_cast<const uint8_t *>(lcp) + lcp->cmdsize > reinterpret_cast<const uint8_t *>(load_commands) + mach->sizeofcmds \
                ) \
                    break; \
                else if (lcp->cmd != lc) \
                    continue; \
                else if (lcp->cmdsize < sizeof(type)) \
                    break; \
                else if (const type *command = reinterpret_cast<const type *>(lcp))

static const mach_header_xx *Library(struct dyld_all_image_infos *infos, const char *name) {
    for (uint32_t i(0); i != infos->infoArrayCount; ++i) {
        const dyld_image_info &info(infos->infoArray[i]);
        const mach_header_xx *mach(reinterpret_cast<const mach_header_xx *>(info.imageLoadAddress));
        if (mach->magic != MH_MAGIC_XX)
            continue;

        const char *path(info.imageFilePath);
        forlc (dylib, mach, LC_ID_DYLIB, dylib_command)
            path = reinterpret_cast<const char *>(dylib) + dylib->dylib.name.offset;
        if ($strcmp(path, name) != 0)
            continue;

        return mach;
    }

    return NULL;
}

static void *Symbol(const mach_header_xx *mach, const char *name) {
    const struct symtab_command *stp(NULL);
    forlc (command, mach, LC_SYMTAB, struct symtab_command)
        stp = command;
    if (stp == NULL)
        return NULL;

    size_t slide(_not(size_t));
    const nlist_xx *symbols(NULL);
    const char *strings(NULL);

    forlc (segment, mach, LC_SEGMENT_XX, segment_command_xx) {
        if (segment->fileoff == 0)
            slide = reinterpret_cast<size_t>(mach) - segment->vmaddr;
        if (stp->symoff >= segment->fileoff && stp->symoff < segment->fileoff + segment->filesize)
            symbols = reinterpret_cast<const nlist_xx *>(stp->symoff - segment->fileoff + segment->vmaddr + slide);
        if (stp->stroff >= segment->fileoff && stp->stroff < segment->fileoff + segment->filesize)
            strings = reinterpret_cast<const char *>(stp->stroff - segment->fileoff + segment->vmaddr + slide);
    }

    if (slide == _not(size_t) || symbols == NULL || strings == NULL)
        return NULL;

    for (size_t i(0); i != stp->nsyms; ++i) {
        const nlist_xx *symbol(&symbols[i]);
        if (symbol->n_un.n_strx == 0 || (symbol->n_type & N_STAB) != 0)
            continue;

        const char *nambuf(strings + symbol->n_un.n_strx);
        if ($strcmp(name, nambuf) != 0)
            continue;

        uintptr_t value(symbol->n_value);
        if (value == 0)
            continue;

#ifdef __arm__
        if ((symbol->n_desc & N_ARM_THUMB_DEF) != 0)
            value |= 0x00000001;
#endif

        value += slide;
        return reinterpret_cast<void *>(value);
    }

    return NULL;
}

template <typename Type_>
static _finline void cyset(Type_ &function, const char *name, const mach_header_xx *mach) {
    function = reinterpret_cast<Type_>(Symbol(mach, name));
}

static _finline const mach_header_xx *Library(Baton *baton, const char *name) {
    struct dyld_all_image_infos *infos(reinterpret_cast<struct dyld_all_image_infos *>(baton->dyld));
    return Library(infos, name);
}

#if defined(__i386__) || defined(__x86_64__)
static bool Simulator(struct dyld_all_image_infos *infos) {
    for (uint32_t i(0); i != infos->infoArrayCount; ++i) {
        const dyld_image_info &info(infos->infoArray[i]);
        const char *path(info.imageFilePath);
        if ($strstr(path, "/SDKs/iPhoneSimulator") != NULL)
            return true;
    } return false;
}

static bool Simulator(Baton *baton) {
    struct dyld_all_image_infos *infos(reinterpret_cast<struct dyld_all_image_infos *>(baton->dyld));
    return Simulator(infos);
}
#endif

void *Routine(void *arg) {
    Baton *baton(reinterpret_cast<Baton *>(arg));

    const mach_header_xx *dyld(NULL);
    if (dyld == NULL)
        dyld = Library(baton, "/usr/lib/system/libdyld.dylib");
    if (dyld == NULL)
        dyld = Library(baton, "/usr/lib/libSystem.B.dylib");

    char *(*$dlerror)();
    cyset($dlerror, "_dlerror", dyld);

    void *(*$dlopen)(const char *, int);
    cyset($dlopen, "_dlopen", dyld);

#if defined(__i386__) || defined(__x86_64__)
    size_t length($strlen(baton->library));
    if (length >= 10 && $strcmp(baton->library + length - 10, "-###.dylib") == 0)
        $memcpy(baton->library + length - 10, Simulator(baton) ? "-sim" : "-sys", 4);
#endif

    void *handle($dlopen(baton->library, RTLD_LAZY | RTLD_LOCAL));
    if (handle == NULL) {
        $strlcpy(baton->error, $dlerror(), sizeof(baton->error));
        return NULL;
    }

    void *(*$dlsym)(void *, const char *);
    cyset($dlsym, "_dlsym", dyld);

    void (*CYHandleServer)(pid_t);
    CYHandleServer = reinterpret_cast<void (*)(pid_t)>($dlsym(handle, "CYHandleServer"));
    if (CYHandleServer == NULL) {
        $strlcpy(baton->error, $dlerror(), sizeof(baton->error));
        return NULL;
    }

    CYHandleServer(baton->pid);
    return NULL;
}

extern "C" void Start(Baton *baton) {
    struct _pthread self;
    $bzero(&self, sizeof(self));

    const mach_header_xx *pthread(NULL);
    if (pthread == NULL)
        pthread = Library(baton, "/usr/lib/system/libsystem_pthread.dylib");
    if (pthread == NULL)
        pthread = Library(baton, "/usr/lib/system/libsystem_c.dylib");
    if (pthread == NULL)
        pthread = Library(baton, "/usr/lib/libSystem.B.dylib");

    void (*$__pthread_set_self)(void **);
    cyset($__pthread_set_self, "___pthread_set_self", pthread);

    self.tsd[0] = &self;
    $__pthread_set_self(&self.tsd[0]);

    int (*$pthread_attr_init)(pthread_attr_t *);
    cyset($pthread_attr_init, "_pthread_attr_init", pthread);

#if 0
    pthread_attr_t attr;
    $pthread_attr_init(&attr);

    int (*$pthread_attr_setdetachstate)(pthread_attr_t *, int);
    cyset($pthread_attr_setdetachstate, "_pthread_attr_setdetachstate", pthread);

    $pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
#endif

    int (*$pthread_create)(pthread_t *, const pthread_attr_t *, void *(*)(void *), void *);
    cyset($pthread_create, "_pthread_create", pthread);

    pthread_t thread;
    $pthread_create(&thread, NULL, &Routine, baton);

#if 0
    int (*$pthread_attr_destroy)(pthread_attr_t *);
    cyset($pthread_attr_destroy, "_pthread_attr_destroy", pthread);

    $pthread_attr_destroy(&attr);
#endif

    int (*$pthread_join)(pthread_t, void **);
    cyset($pthread_join, "_pthread_join", pthread);

    void *status;
    $pthread_join(thread, &status);

    const mach_header_xx *kernel(NULL);
    if (kernel == NULL)
        kernel = Library(baton, "/usr/lib/system/libsystem_kernel.dylib");
    if (kernel == NULL)
        kernel = Library(baton, "/usr/lib/libSystem.B.dylib");

    mach_port_t (*$mach_thread_self)();
    cyset($mach_thread_self, "_mach_thread_self", kernel);

    kern_return_t (*$thread_terminate)(thread_act_t);
    cyset($thread_terminate, "_thread_terminate", kernel);

    $thread_terminate($mach_thread_self());
}
Commit	Line	Data
b3378a02	1	/* Cycript - Optimizing JavaScript Compiler/Runtime
f95d2598	2	* Copyright (C) 2009-2014 Jay Freeman (saurik)
e91fbe93 JF	3	*/
e91fbe93 JF	4
f95d2598	5	/* GNU Affero General Public License, Version 3 {{{ */
e91fbe93	6	/*
f95d2598 JF	7	* This program is free software: you can redistribute it and/or modify
	8	* it under the terms of the GNU Affero General Public License as published by
	9	* the Free Software Foundation, either version 3 of the License, or
	10	* (at your option) any later version.
	11
	12	* This program is distributed in the hope that it will be useful,
	13	* but WITHOUT ANY WARRANTY; without even the implied warranty of
c15969fd	14	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
f95d2598 JF	15	* GNU Affero General Public License for more details.
	16
	17	* You should have received a copy of the GNU Affero General Public License
	18	* along with this program. If not, see <http://www.gnu.org/licenses/>.
b3378a02	19	**/
e91fbe93 JF	20	/* }}} */
e91fbe93 JF	21
3615a2f7	22	#include <TargetConditionals.h>
e1858938	23	#if defined(__arm__) \|\| defined(__arm64__)
3615a2f7 JF	24	#undef TARGET_IPHONE_SIMULATOR
3615a2f7 JF	25	#define TARGET_IPHONE_SIMULATOR 1
e1858938	26	#endif
b6961e53 JF	27	#define _PTHREAD_ATTR_T
b6961e53 JF	28	#include <pthread_internals.h>
e1858938	29	#if defined(__arm__) \|\| defined(__arm64__)
3615a2f7	30	#undef TARGET_IPHONE_SIMULATOR
e1858938	31	#endif
b6961e53	32
38ae783d JF	33	#include <mach-o/dyld.h>
	34	#include <mach-o/dyld_images.h>
	35	#include <mach-o/loader.h>
38ae783d	36	#include <mach-o/nlist.h>
38ae783d	37
eed4f174	38	#include "Standard.hpp"
b6961e53 JF	39	#include "Baton.hpp"
b6961e53 JF	40
38ae783d JF	41	static void $bzero(void *data, size_t size) {
	42	char bytes(reinterpret_cast<char >(data));
	43	for (size_t i(0); i != size; ++i)
	44	bytes[i] = 0;
	45	}
	46
3d1db6b9 JF	47	__attribute__((__unused__))
	48	static void $memcpy(char dst, const char src, size_t size) {
	49	for (size_t i(0); i != size; ++i)
	50	dst[i] = src[i];
	51	}
	52
38ae783d JF	53	static int $strcmp(const char lhs, const char rhs) {
	54	while (lhs == rhs) {
	55	if (*lhs == '\0')
	56	return 0;
	57	++lhs, ++rhs;
	58	} return lhs < rhs ? -1 : 1;
	59	}
	60
8964aa08	61	static void $strlcpy(char dst, const char src, size_t size) {
f6fa3c21 JF	62	if (src == NULL)
f6fa3c21 JF	63	src = "(null)";
8964aa08 JF	64	if (size == 0)
	65	return;
	66	size_t i(0);
	67	while (i != size - 1) {
	68	char value(src[i]);
	69	if (value == '\0')
	70	break;
	71	dst[i++] = value;
	72	} dst[i] = '\0';
	73	}
	74
3d1db6b9 JF	75	__attribute__((__unused__))
	76	static char $strstr(const char haystack, const char *needle) {
	77	if (*needle == '\0')
	78	return NULL;
	79	for (; *haystack != '\0'; ++haystack)
	80	for (size_t i(0); ; ++i)
	81	if (needle[i] == '\0')
	82	return const_cast<char *>(haystack);
	83	else if (needle[i] != haystack[i])
	84	break;
	85	return NULL;
	86	}
	87
	88	__attribute__((__unused__))
	89	static size_t $strlen(const char *data) {
	90	for (size_t i(0); ; ++i)
	91	if (data[i] == '\0')
	92	return i;
	93	}
	94
d24f0f42 JF	95	__attribute__((__unused__))
	96	static void $snprintfp(char dst, size_t size, const void pointer) {
	97	uintptr_t value(reinterpret_cast<uintptr_t>(pointer));
	98	char buffer[32];
	99	char *end(buffer + sizeof(buffer));
	100	*--end = '\0';
	101	if (value == 0)
	102	*--end = '0';
	103	else do {
	104	unsigned digit(value & 0xf);
	105	value >>= 4;
	106	*--end = (digit < 10 ? '0' : 'a' - 10) + digit;
	107	} while (value != 0);
	108	*--end = 'x';
	109	*--end = '0';
	110	$strlcpy(dst, end, size);
	111	}
	112
38ae783d JF	113	#ifdef __LP64__
	114	typedef struct mach_header_64 mach_header_xx;
	115	typedef struct nlist_64 nlist_xx;
	116	typedef struct segment_command_64 segment_command_xx;
	117
	118	static const uint32_t LC_SEGMENT_XX = LC_SEGMENT_64;
	119	static const uint32_t MH_MAGIC_XX = MH_MAGIC_64;
	120	#else
	121	typedef struct mach_header mach_header_xx;
	122	typedef struct nlist nlist_xx;
	123	typedef struct segment_command segment_command_xx;
	124
	125	static const uint32_t LC_SEGMENT_XX = LC_SEGMENT;
	126	static const uint32_t MH_MAGIC_XX = MH_MAGIC;
	127	#endif
	128
	129	#define forlc(command, mach, lc, type) \
	130	if (const struct load_command load_commands = reinterpret_cast<const struct load_command >(mach + 1)) \
	131	if (const struct load_command *lcp = load_commands) \
	132	for (uint32_t i(0); i != mach->ncmds; ++i, lcp = reinterpret_cast<const struct load_command >(reinterpret_cast<const uint8_t >(lcp) + lcp->cmdsize)) \
	133	if ( \
	134	lcp->cmdsize % sizeof(long) != 0 \|\| lcp->cmdsize <= 0 \|\| \
	135	reinterpret_cast<const uint8_t >(lcp) + lcp->cmdsize > reinterpret_cast<const uint8_t >(load_commands) + mach->sizeofcmds \
	136	) \
48d5b4e3	137	break; \
38ae783d JF	138	else if (lcp->cmd != lc) \
	139	continue; \
	140	else if (lcp->cmdsize < sizeof(type)) \
48d5b4e3	141	break; \
38ae783d JF	142	else if (const type command = reinterpret_cast<const type >(lcp))
38ae783d JF	143
85b57b57 JF	144	static const mach_header_xx Library(struct dyld_all_image_infos infos, const char *name) {
	145	for (uint32_t i(0); i != infos->infoArrayCount; ++i) {
	146	const dyld_image_info &info(infos->infoArray[i]);
	147	const mach_header_xx mach(reinterpret_cast<const mach_header_xx >(info.imageLoadAddress));
	148	if (mach->magic != MH_MAGIC_XX)
	149	continue;
	150
	151	const char *path(info.imageFilePath);
	152	forlc (dylib, mach, LC_ID_DYLIB, dylib_command)
	153	path = reinterpret_cast<const char *>(dylib) + dylib->dylib.name.offset;
	154	if ($strcmp(path, name) != 0)
	155	continue;
	156
	157	return mach;
	158	}
38ae783d	159
85b57b57 JF	160	return NULL;
	161	}
	162
	163	static void Symbol(const mach_header_xx mach, const char *name) {
38ae783d JF	164	const struct symtab_command *stp(NULL);
	165	forlc (command, mach, LC_SYMTAB, struct symtab_command)
	166	stp = command;
	167	if (stp == NULL)
85b57b57	168	return NULL;
38ae783d JF	169
	170	size_t slide(_not(size_t));
	171	const nlist_xx *symbols(NULL);
	172	const char *strings(NULL);
	173
	174	forlc (segment, mach, LC_SEGMENT_XX, segment_command_xx) {
	175	if (segment->fileoff == 0)
	176	slide = reinterpret_cast<size_t>(mach) - segment->vmaddr;
	177	if (stp->symoff >= segment->fileoff && stp->symoff < segment->fileoff + segment->filesize)
	178	symbols = reinterpret_cast<const nlist_xx *>(stp->symoff - segment->fileoff + segment->vmaddr + slide);
	179	if (stp->stroff >= segment->fileoff && stp->stroff < segment->fileoff + segment->filesize)
	180	strings = reinterpret_cast<const char *>(stp->stroff - segment->fileoff + segment->vmaddr + slide);
	181	}
	182
	183	if (slide == _not(size_t) \|\| symbols == NULL \|\| strings == NULL)
85b57b57	184	return NULL;
38ae783d JF	185
	186	for (size_t i(0); i != stp->nsyms; ++i) {
	187	const nlist_xx *symbol(&symbols[i]);
	188	if (symbol->n_un.n_strx == 0 \|\| (symbol->n_type & N_STAB) != 0)
	189	continue;
	190
	191	const char *nambuf(strings + symbol->n_un.n_strx);
	192	if ($strcmp(name, nambuf) != 0)
	193	continue;
	194
	195	uintptr_t value(symbol->n_value);
	196	if (value == 0)
	197	continue;
	198
3615a2f7 JF	199	#ifdef __arm__
	200	if ((symbol->n_desc & N_ARM_THUMB_DEF) != 0)
	201	value \|= 0x00000001;
	202	#endif
	203
38ae783d JF	204	value += slide;
	205	return reinterpret_cast<void *>(value);
	206	}
85b57b57 JF	207
	208	return NULL;
	209	}
38ae783d	210
38ae783d	211	template <typename Type_>
85b57b57 JF	212	static _finline void cyset(Type_ &function, const char name, const mach_header_xx mach) {
	213	function = reinterpret_cast<Type_>(Symbol(mach, name));
	214	}
	215
	216	static _finline const mach_header_xx Library(Baton baton, const char *name) {
38ae783d	217	struct dyld_all_image_infos infos(reinterpret_cast<struct dyld_all_image_infos >(baton->dyld));
85b57b57	218	return Library(infos, name);
eed4f174 JF	219	}
eed4f174 JF	220
3d1db6b9 JF	221	#if defined(__i386__) \|\| defined(__x86_64__)
	222	static bool Simulator(struct dyld_all_image_infos *infos) {
	223	for (uint32_t i(0); i != infos->infoArrayCount; ++i) {
	224	const dyld_image_info &info(infos->infoArray[i]);
	225	const char *path(info.imageFilePath);
	226	if ($strstr(path, "/SDKs/iPhoneSimulator") != NULL)
	227	return true;
	228	} return false;
	229	}
	230
	231	static bool Simulator(Baton *baton) {
	232	struct dyld_all_image_infos infos(reinterpret_cast<struct dyld_all_image_infos >(baton->dyld));
	233	return Simulator(infos);
	234	}
	235	#endif
	236
49e976ae	237	void Routine(void arg) {
eed4f174 JF	238	Baton baton(reinterpret_cast<Baton >(arg));
eed4f174 JF	239
3615a2f7 JF	240	const mach_header_xx *dyld(NULL);
	241	if (dyld == NULL)
	242	dyld = Library(baton, "/usr/lib/system/libdyld.dylib");
	243	if (dyld == NULL)
	244	dyld = Library(baton, "/usr/lib/libSystem.B.dylib");
85b57b57	245
3615a2f7 JF	246	char ($dlerror)();
3615a2f7 JF	247	cyset($dlerror, "_dlerror", dyld);
38ae783d	248
3615a2f7 JF	249	void ($dlopen)(const char *, int);
3615a2f7 JF	250	cyset($dlopen, "_dlopen", dyld);
40b1517d	251
3d1db6b9 JF	252	#if defined(__i386__) \|\| defined(__x86_64__)
	253	size_t length($strlen(baton->library));
	254	if (length >= 10 && $strcmp(baton->library + length - 10, "-###.dylib") == 0)
	255	$memcpy(baton->library + length - 10, Simulator(baton) ? "-sim" : "-sys", 4);
	256	#endif
	257
3615a2f7	258	void *handle($dlopen(baton->library, RTLD_LAZY \| RTLD_LOCAL));
95a2c7e5	259	if (handle == NULL) {
8964aa08	260	$strlcpy(baton->error, $dlerror(), sizeof(baton->error));
95a2c7e5 JF	261	return NULL;
95a2c7e5 JF	262	}
eed4f174	263
3615a2f7 JF	264	void ($dlsym)(void , const char );
	265	cyset($dlsym, "_dlsym", dyld);
	266
3d1db6b9 JF	267	void (*CYHandleServer)(pid_t);
3d1db6b9 JF	268	CYHandleServer = reinterpret_cast<void (*)(pid_t)>($dlsym(handle, "CYHandleServer"));
6e51aaf8	269	if (CYHandleServer == NULL) {
8964aa08	270	$strlcpy(baton->error, $dlerror(), sizeof(baton->error));
6e51aaf8 JF	271	return NULL;
6e51aaf8 JF	272	}
eed4f174	273
3d1db6b9	274	CYHandleServer(baton->pid);
95a2c7e5	275	return NULL;
eed4f174 JF	276	}
eed4f174 JF	277
49e976ae JF	278	extern "C" void Start(Baton *baton) {
	279	struct _pthread self;
	280	$bzero(&self, sizeof(self));
	281
3615a2f7 JF	282	const mach_header_xx *pthread(NULL);
	283	if (pthread == NULL)
	284	pthread = Library(baton, "/usr/lib/system/libsystem_pthread.dylib");
85b57b57 JF	285	if (pthread == NULL)
85b57b57 JF	286	pthread = Library(baton, "/usr/lib/system/libsystem_c.dylib");
3615a2f7 JF	287	if (pthread == NULL)
3615a2f7 JF	288	pthread = Library(baton, "/usr/lib/libSystem.B.dylib");
85b57b57	289
7eb6c2f2	290	void ($__pthread_set_self)(void *);
85b57b57	291	cyset($__pthread_set_self, "___pthread_set_self", pthread);
38ae783d	292
49e976ae	293	self.tsd[0] = &self;
7eb6c2f2	294	$__pthread_set_self(&self.tsd[0]);
eed4f174	295
3615a2f7 JF	296	int ($pthread_attr_init)(pthread_attr_t );
	297	cyset($pthread_attr_init, "_pthread_attr_init", pthread);
	298
	299	#if 0
	300	pthread_attr_t attr;
	301	$pthread_attr_init(&attr);
	302
	303	int ($pthread_attr_setdetachstate)(pthread_attr_t , int);
	304	cyset($pthread_attr_setdetachstate, "_pthread_attr_setdetachstate", pthread);
	305
	306	$pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
	307	#endif
	308
38ae783d	309	int ($pthread_create)(pthread_t , const pthread_attr_t , void ()(void ), void *);
85b57b57	310	cyset($pthread_create, "_pthread_create", pthread);
b6961e53 JF	311
b6961e53 JF	312	pthread_t thread;
38ae783d	313	$pthread_create(&thread, NULL, &Routine, baton);
b6961e53	314
3615a2f7 JF	315	#if 0
	316	int ($pthread_attr_destroy)(pthread_attr_t );
	317	cyset($pthread_attr_destroy, "_pthread_attr_destroy", pthread);
	318
	319	$pthread_attr_destroy(&attr);
	320	#endif
	321
3615a2f7 JF	322	int ($pthread_join)(pthread_t, void *);
	323	cyset($pthread_join, "_pthread_join", pthread);
	324
	325	void *status;
	326	$pthread_join(thread, &status);
	327
	328	const mach_header_xx *kernel(NULL);
	329	if (kernel == NULL)
	330	kernel = Library(baton, "/usr/lib/system/libsystem_kernel.dylib");
	331	if (kernel == NULL)
	332	kernel = Library(baton, "/usr/lib/libSystem.B.dylib");
85b57b57	333
38ae783d	334	mach_port_t (*$mach_thread_self)();
85b57b57	335	cyset($mach_thread_self, "_mach_thread_self", kernel);
eed4f174	336
38ae783d	337	kern_return_t (*$thread_terminate)(thread_act_t);
85b57b57	338	cyset($thread_terminate, "_thread_terminate", kernel);
49e976ae	339
38ae783d	340	$thread_terminate($mach_thread_self());
b6961e53	341	}