sys/sys/imgact_elf.h

   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 withough 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  * $DragonFly: src/sys/sys/imgact_elf.h,v 1.9 2008/07/23 17:22:33 dillon Exp $
  30  */
  31
  32 #ifndef _SYS_IMGACT_ELF_H_
  33 #define _SYS_IMGACT_ELF_H_
  34
  35 #include <sys/elf_common.h>
  36 #include <machine/elf.h>
  37
  38 #ifdef _KERNEL
  39
  40 #define AUXARGS_ENTRY(pos, id, val) {suword(pos++, id); suword(pos++, val);}
  41
  42 #if ELF_TARG_CLASS == ELFCLASS32
  43
  44 /*
  45  * Structure used to pass infomation from the loader to the
  46  * stack fixup routine.
  47  */
  48 typedef struct {
  49         Elf32_Sword     execfd;
  50         Elf32_Size      phdr;
  51         Elf32_Size      phent;
  52         Elf32_Size      phnum;
  53         Elf32_Size      pagesz;
  54         Elf32_Size      base;
  55         Elf32_Size      flags;
  56         Elf32_Size      entry;
  57         Elf32_Size      trace;
  58 } Elf32_Auxargs;
  59
  60 typedef struct {
  61         int brand;
  62         const char *compat_3_brand;     /* pre Binutils 2.10 method (FBSD 3) */
  63         int (*match_abi_note)(const Elf_Note *);
  64         const char *emul_path;
  65         const char *interp_path;
  66         struct sysentvec *sysvec;
  67 } Elf32_Brandinfo;
  68
  69 #define MAX_BRANDS      8
  70
  71 int     elf_brand_inuse        (Elf32_Brandinfo *entry);
  72 int     elf_insert_brand_entry (Elf32_Brandinfo *entry);
  73 int     elf_remove_brand_entry (Elf32_Brandinfo *entry);
  74
  75 #else /* !(ELF_TARG_CLASS == ELFCLASS32) */
  76
  77 /*
  78  * Structure used to pass infomation from the loader to the
  79  * stack fixup routine.
  80  */
  81 typedef struct {
  82         Elf64_Sxword    execfd;
  83         Elf64_Addr      phdr;
  84         Elf64_Word      phent;
  85         Elf64_Word      phnum;
  86         Elf64_Word      pagesz;
  87         Elf64_Addr      base;
  88         Elf64_Word      flags;
  89         Elf64_Addr      entry;
  90         Elf64_Word      trace;
  91 } Elf64_Auxargs;
  92
  93 typedef struct {
  94         int brand;
  95         const char *compat_3_brand;     /* pre Binutils 2.10 method (FBSD 3) */
  96         int (*match_abi_note)(const Elf_Note *);
  97         const char *emul_path;
  98         const char *interp_path;
  99         struct sysentvec *sysvec;
 100 } Elf64_Brandinfo;
 101
 102 #define MAX_BRANDS      8
 103
 104 int     elf_brand_inuse        (Elf64_Brandinfo *entry);
 105 int     elf_insert_brand_entry (Elf64_Brandinfo *entry);
 106 int     elf_remove_brand_entry (Elf64_Brandinfo *entry);
 107
 108 #endif /* ELF_TARG_CLASS == ELFCLASS32 */
 109
 110 struct lwp;
 111 struct file;
 112 struct vnode;
 113
 114 int     elf_coredump (struct lwp *, int, struct vnode *, off_t);
 115 int     generic_elf_coredump(struct lwp *lp, int sig, struct file *fp, off_t limit);
 116 #endif /* _KERNEL */
 117
 118 #endif /* !_SYS_IMGACT_ELF_H_ */