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sys/compat/linux/linux_vdso.h
- This file was added.
| /*- | |||||
| * Copyright (c) 2013 Dmitry Chagin | |||||
| * All rights reserved. | |||||
| * | |||||
| * Redistribution and use in source and binary forms, with or without | |||||
| * modification, are permitted provided that the following conditions | |||||
| * are met: | |||||
| * 1. Redistributions of source code must retain the above copyright | |||||
| * notice, this list of conditions and the following disclaimer | |||||
| * in this position and unchanged. | |||||
| * 2. Redistributions in binary form must reproduce the above copyright | |||||
| * notice, this list of conditions and the following disclaimer in the | |||||
| * documentation and/or other materials provided with the distribution. | |||||
| * | |||||
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR | |||||
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES | |||||
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. | |||||
| * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, | |||||
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |||||
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |||||
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |||||
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |||||
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | |||||
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |||||
| * | |||||
| * $FreeBSD$ | |||||
| */ | |||||
| #ifndef _LINUX_VDSO_H_ | |||||
| #define _LINUX_VDSO_H_ | |||||
| #include <sys/types.h> | |||||
| struct linux_vdso_sym { | |||||
| SLIST_ENTRY(linux_vdso_sym) sym; | |||||
| uint32_t size; | |||||
| uintptr_t * ptr; | |||||
| char symname[]; | |||||
| }; | |||||
| vm_object_t __elfN(linux_shared_page_init)(char **); | |||||
| void __elfN(linux_shared_page_fini)(vm_object_t); | |||||
| void __elfN(linux_vdso_fixup)(struct sysentvec *); | |||||
| void __elfN(linux_vdso_reloc)(struct sysentvec *, int); | |||||
| void __elfN(linux_vdso_sym_init)(struct linux_vdso_sym *); | |||||
| #define LINUX_VDSO_SYM_INTPTR(name) \ | |||||
| uintptr_t name; \ | |||||
| LINUX_VDSO_SYM_DEFINE(name) | |||||
| #define LINUX_VDSO_SYM_CHAR(name) \ | |||||
| const char * name; \ | |||||
| LINUX_VDSO_SYM_DEFINE(name) | |||||
| #define LINUX_VDSO_SYM_DEFINE(name) \ | |||||
| static struct linux_vdso_sym name ## sym = { \ | |||||
| .symname = #name, \ | |||||
| .size = sizeof(#name), \ | |||||
| .ptr = (uintptr_t *)&name \ | |||||
| }; \ | |||||
| SYSINIT(__elfN(name ## _sym_init), SI_SUB_EXEC, \ | |||||
| SI_ORDER_FIRST, __elfN(linux_vdso_sym_init), &name ## sym); \ | |||||
| struct __hack | |||||
| #endif /* _LINUX_VDSO_H_ */ | |||||