1 /*- 2 * Copyright (c) 1995-1996 Søren 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: src/sys/sys/imgact_elf.h,v 1.17.2.1 2000/07/06 22:26:40 obrien Exp $ 29 */ 30 31 #ifndef _SYS_IMGACT_ELF_H_ 32 #define _SYS_IMGACT_ELF_H_ 33 34 #include <sys/elf_common.h> 35 #include <machine/elf.h> 36 37 #ifdef _KERNEL 38 39 #define AUXARGS_ENTRY(pos, id, val) {suword64(pos++, id); suword64(pos++, val);} 40 41 struct lwp; 42 struct file; 43 struct vnode; 44 45 /* 46 * Structure used to pass infomation from the loader to the 47 * stack fixup routine. 48 */ 49 typedef struct { 50 Elf_Sword execfd; 51 Elf_Size phdr; 52 Elf_Size phent; 53 Elf_Size phnum; 54 Elf_Size pagesz; 55 Elf_Size base; 56 Elf_Size flags; 57 Elf_Size entry; 58 } __ElfN(Auxargs); 59 60 typedef struct { 61 Elf_Note hdr; 62 const char * vendor; 63 int flags; 64 boolean_t (*trans_osrel)(const Elf_Note *, int32_t *); 65 } Elf_Brandnote; 66 67 typedef struct { 68 int brand; 69 int machine; 70 const char *compat_3_brand; /* pre Binutils 2.10 method (FBSD 3) */ 71 const char *emul_path; 72 const char *interp_path; 73 struct sysentvec *sysvec; 74 const char *interp_newpath; 75 int flags; 76 Elf_Brandnote *brand_note; 77 } __ElfN(Brandinfo); 78 79 __ElfType(Auxargs); 80 __ElfType(Brandinfo); 81 82 #define MAX_BRANDS 8 83 #define BI_CAN_EXEC_DYN 0x0001 84 #define BI_BRAND_NOTE 0x0002 /* May have note.ABI-tag section. */ 85 #define BI_BRAND_NOTE_MANDATORY 0x0004 /* Must have note.ABI-tag section. */ 86 #define BN_CAN_FETCH_OSREL 0x0001 /* No longer used */ 87 #define BN_TRANSLATE_OSREL 0x0002 /* New osreldate function pointer */ 88 89 int __elfN(brand_inuse) (Elf_Brandinfo *entry); 90 int __elfN(insert_brand_entry) (Elf_Brandinfo *entry); 91 int __elfN(remove_brand_entry) (Elf_Brandinfo *entry); 92 int __elfN(dragonfly_fixup) (register_t **, struct image_params *); 93 int __elfN(coredump) (struct lwp *, int, struct vnode *, off_t); 94 95 int generic_elf_coredump (struct lwp *lp, int sig, struct file *fp, 96 off_t limit); 97 extern Elf_Brandnote __elfN(dragonfly_brandnote); 98 extern Elf_Brandnote __elfN(freebsd_brandnote); 99 100 #endif /* _KERNEL */ 101 102 #endif /* !_SYS_IMGACT_ELF_H_ */ 103