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 * $FreeBSD$ 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 40 struct thread; 41 42 /* 43 * Structure used to pass infomation from the loader to the 44 * stack fixup routine. 45 */ 46 typedef 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 57 typedef struct { 58 int brand; 59 int machine; 60 const char *compat_3_brand; /* pre Binutils 2.10 method (FBSD 3) */ 61 const char *emul_path; 62 const char *interp_path; 63 struct sysentvec *sysvec; 64 const char *interp_newpath; 65 int flags; 66 #define BI_CAN_EXEC_DYN 0x0001 67 } __ElfN(Brandinfo); 68 69 __ElfType(Auxargs); 70 __ElfType(Brandinfo); 71 72 #define MAX_BRANDS 8 73 74 int __elfN(brand_inuse)(Elf_Brandinfo *entry); 75 int __elfN(insert_brand_entry)(Elf_Brandinfo *entry); 76 int __elfN(remove_brand_entry)(Elf_Brandinfo *entry); 77 int __elfN(freebsd_fixup)(register_t **, struct image_params *); 78 int __elfN(coredump)(struct thread *, struct vnode *, off_t); 79 80 /* Machine specific function to dump per-thread information. */ 81 void __elfN(dump_thread)(struct thread *, void *, size_t *); 82 83 extern int __elfN(fallback_brand); 84 85 #endif /* _KERNEL */ 86 87 #endif /* !_SYS_IMGACT_ELF_H_ */ 88