libkern/mach-o/mach_header.h

   1 /*
   2  * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. The rights granted to you under the License
  10  * may not be used to create, or enable the creation or redistribution of,
  11  * unlawful or unlicensed copies of an Apple operating system, or to
  12  * circumvent, violate, or enable the circumvention or violation of, any
  13  * terms of an Apple operating system software license agreement.
  14  *
  15  * Please obtain a copy of the License at
  16  * http://www.opensource.apple.com/apsl/ and read it before using this file.
  17  *
  18  * The Original Code and all software distributed under the License are
  19  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  20  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  21  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  22  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  23  * Please see the License for the specific language governing rights and
  24  * limitations under the License.
  25  *
  26  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  27  */
  28 /*
  29  *      File: kern/mach_header.h
  30  *
  31  *      Definitions for accessing mach-o headers.  This header wraps the
  32  *      routines defined in osfmk/mach-o/mach_header.c; this is made clear
  33  *      by the existance of the getsectcmdsymtabfromheader() prototype.
  34  *
  35  * NOTE:        The functions prototyped by this header only operate againt
  36  *              32 bit mach headers.  Many of these functions imply the
  37  *              currently running kernel, and cannot be used against mach
  38  *              headers other than that of the currently running kernel.
  39  *
  40  * HISTORY
  41  * 29-Jan-92  Mike DeMoney (mike@next.com)
  42  *      Made into machine independent form from machdep/m68k/mach_header.h.
  43  *      Ifdef'ed out most of this since I couldn't find any references.
  44  */
  45
  46 #ifndef _KERN_MACH_HEADER_
  47 #define _KERN_MACH_HEADER_
  48
  49 #include <mach/mach_types.h>
  50 #include <mach-o/loader.h>
  51
  52 #if     KERNEL
  53 struct mach_header **getmachheaders(void);
  54 vm_offset_t getlastaddr(void);
  55
  56 struct segment_command *firstseg(void);
  57 struct segment_command *firstsegfromheader(struct mach_header *header);
  58 struct segment_command *nextseg(struct segment_command *sgp);
  59 struct segment_command *nextsegfromheader(
  60         struct mach_header      *header,
  61         struct segment_command  *seg);
  62 struct segment_command *getsegbyname(const char *seg_name);
  63 struct segment_command *getsegbynamefromheader(
  64         struct mach_header      *header,
  65         const char              *seg_name);
  66 void *getsegdatafromheader(struct mach_header *, const char *, int *);
  67 struct section *getsectbyname(const char *seg_name, const char *sect_name);
  68 struct section *getsectbynamefromheader(
  69         struct mach_header      *header,
  70         const char              *seg_name,
  71         const char              *sect_name);
  72 void *getsectdatafromheader(struct mach_header *, const char *, const char *, int *);
  73 struct section *firstsect(struct segment_command *sgp);
  74 struct section *nextsect(struct segment_command *sgp, struct section *sp);
  75 struct fvmlib_command *fvmlib(void);
  76 struct fvmlib_command *fvmlibfromheader(struct mach_header *header);
  77 struct segment_command *getfakefvmseg(void);
  78 #ifdef MACH_KDB
  79 struct symtab_command *getsectcmdsymtabfromheader(struct mach_header *);
  80 boolean_t getsymtab(struct mach_header *, vm_offset_t *, int *,
  81         vm_offset_t *,  vm_size_t *);
  82 #endif
  83
  84 #endif  /* KERNEL */
  85
  86 #endif  /* _KERN_MACH_HEADER_ */