X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/6d2010ae8f7a6078e10b361c6962983bab233e0f..94ff46dc2849db4d43eaaf144872decc522aafb4:/libsyscall/wrappers/_libkernel_init.h diff --git a/libsyscall/wrappers/_libkernel_init.h b/libsyscall/wrappers/_libkernel_init.h index 609975abd..514afef02 100644 --- a/libsyscall/wrappers/_libkernel_init.h +++ b/libsyscall/wrappers/_libkernel_init.h @@ -1,8 +1,8 @@ /* - * Copyright (c) 2010 Apple Inc. All rights reserved. + * Copyright (c) 2010-2014 Apple Inc. All rights reserved. * * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ - * + * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in @@ -11,10 +11,10 @@ * unlawful or unlicensed copies of an Apple operating system, or to * circumvent, violate, or enable the circumvention or violation of, any * terms of an Apple operating system software license agreement. - * + * * Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this file. - * + * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, @@ -22,33 +22,91 @@ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. - * + * * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ #ifndef __LIBKERNEL_INIT_H #define __LIBKERNEL_INIT_H +#include #include +#include +#include + +#ifndef __OS_VOUCHER_PRIVATE__ +// We cannot include the actual os/voucher_private.h definition of voucher_t +// here, as that also marks the voucher_XXX functions as exported, which causes +// a compile error when we attempt to mark them hidden in the .c file. +// +// The Libsystem init.c file does include os/voucher_private.h though, as well +// as this file, and this typedef causes an error if it is unguarded. +struct voucher_s; +typedef struct voucher_s *voucher_t; +#endif -typedef struct _libkernel_functions { - /* for mach dependencies on libc */ - mach_port_t (*get_reply_port)(void); - void (*set_reply_port)(mach_port_t); - - /* dlsym() for looking up catch_exception_raise */ +typedef const struct _libkernel_functions { + /* The following functions are included in version 1 of this structure */ + unsigned long version; void* (*dlsym)(void*, const char*); + void* (*malloc)(size_t); + void (*free)(void*); + void* (*realloc)(void*, size_t); + void (*_pthread_exit_if_canceled)(int); + + /* The following functions are included in version 2 of this structure */ + void *reserved1; + void *reserved2; + void *reserved3; + void *reserved4; + void *reserved5; + + /* The following functions are included in version 3 of this structure */ + void (*pthread_clear_qos_tsd)(mach_port_t); + + /* Subsequent versions must only add pointers! */ +} *_libkernel_functions_t; + +typedef const struct _libkernel_string_functions { + /* The following functions are included in version 1 of this structure */ + unsigned long version; + void (*bzero)(void *s, size_t n); + void * (*memchr)(const void *s, int c, size_t n); + int (*memcmp)(const void *s1, const void *s2, size_t n); + void * (*memmove)(void *dst, const void *src, size_t n); + void * (*memccpy)(void *__restrict dst, const void *__restrict src, int c, size_t n); + void * (*memset)(void *b, int c, size_t len); + char * (*strchr)(const char *s, int c); + int (*strcmp)(const char *s1, const char *s2); + char * (*strcpy)(char * restrict dst, const char * restrict src); + size_t (*strlcat)(char * restrict dst, const char * restrict src, size_t maxlen); + size_t (*strlcpy)(char * restrict dst, const char * restrict src, size_t maxlen); + size_t (*strlen)(const char *str); + int (*strncmp)(const char *s1, const char *s2, size_t n); + char * (*strncpy)(char * restrict dst, const char * restrict src, size_t maxlen); + size_t (*strnlen)(const char *s, size_t maxlen); + char * (*strstr)(const char *s, const char *find); + /* Subsequent versions must only add pointers! */ +} *_libkernel_string_functions_t; + +typedef const struct _libkernel_voucher_functions { + /* The following functions are included in version 1 of this structure */ + unsigned long version; + boolean_t (*voucher_mach_msg_set)(mach_msg_header_t*); + void (*voucher_mach_msg_clear)(mach_msg_header_t*); + voucher_mach_msg_state_t (*voucher_mach_msg_adopt)(mach_msg_header_t*); + void (*voucher_mach_msg_revert)(voucher_mach_msg_state_t); + + /* Subsequent versions must only add pointers! */ +} *_libkernel_voucher_functions_t; + +struct ProgramVars; /* forward reference */ - /* placeholders for struct layout compatibility with Libsystem */ - void *_placeholder_1; - void *_placeholder_2; - - /* for setting errno in libc */ - void (*set_errno)(int); - int* (*get_errno)(void); +void __libkernel_init(_libkernel_functions_t fns, const char *envp[], + const char *apple[], const struct ProgramVars *vars); -} _libkernel_functions_t; +kern_return_t __libkernel_platform_init(_libkernel_string_functions_t fns); -void _libkernel_init(_libkernel_functions_t fns); +kern_return_t __libkernel_voucher_init(_libkernel_voucher_functions_t fns); -#endif // __LIBKERNEL_INIT_H` +#endif // __LIBKERNEL_INIT_H