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 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_ */