imgact_elf.h revision 189771
1/*- 2 * Copyright (c) 1995-1996 S�ren Schmidt 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer 10 * in this position and unchanged. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * $FreeBSD: head/sys/sys/imgact_elf.h 189771 2009-03-13 16:40:51Z dchagin $ 29 */ 30 31#ifndef _SYS_IMGACT_ELF_H_ 32#define _SYS_IMGACT_ELF_H_ 33 34#include <machine/elf.h> 35 36#ifdef _KERNEL 37 38#define AUXARGS_ENTRY(pos, id, val) {suword(pos++, id); suword(pos++, val);} 39 40struct thread; 41 42/* 43 * Structure used to pass infomation from the loader to the 44 * stack fixup routine. 45 */ 46typedef struct { 47 Elf_Ssize execfd; 48 Elf_Size phdr; 49 Elf_Size phent; 50 Elf_Size phnum; 51 Elf_Size pagesz; 52 Elf_Size base; 53 Elf_Size flags; 54 Elf_Size entry; 55} __ElfN(Auxargs); 56 57typedef struct { 58 Elf_Note hdr; 59 const char * vendor; 60 int flags; 61#define BN_CAN_FETCH_OSREL 0x0001 62} Elf_Brandnote; 63 64typedef struct { 65 int brand; 66 int machine; 67 const char *compat_3_brand; /* pre Binutils 2.10 method (FBSD 3) */ 68 const char *emul_path; 69 const char *interp_path; 70 struct sysentvec *sysvec; 71 const char *interp_newpath; 72 Elf_Brandnote *brand_note; 73 int flags; 74#define BI_CAN_EXEC_DYN 0x0001 75} __ElfN(Brandinfo); 76 77__ElfType(Auxargs); 78__ElfType(Brandinfo); 79 80#define MAX_BRANDS 8 81 82int __elfN(brand_inuse)(Elf_Brandinfo *entry); 83int __elfN(insert_brand_entry)(Elf_Brandinfo *entry); 84int __elfN(remove_brand_entry)(Elf_Brandinfo *entry); 85int __elfN(freebsd_fixup)(register_t **, struct image_params *); 86int __elfN(coredump)(struct thread *, struct vnode *, off_t); 87 88/* Machine specific function to dump per-thread information. */ 89void __elfN(dump_thread)(struct thread *, void *, size_t *); 90 91extern int __elfN(fallback_brand); 92extern Elf_Brandnote __elfN(freebsd_brandnote); 93#endif /* _KERNEL */ 94 95#endif /* !_SYS_IMGACT_ELF_H_ */ 96