getsect.h   [plain text]

/*
 * Copyright (c) 2004 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_LICENSE_HEADER_START@
 * 
 * This file contains Original Code and/or Modifications of Original Code
 * as defined in and that are subject to the Apple Public Source License
 * Version 2.0 (the 'License'). You may not use this file except in
 * compliance with the License. Please obtain a copy of the License at
 * http://www.opensource.apple.com/apsl/ and read it before using this
 * file.
 * 
 * The Original Code and all software distributed under the License are
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
 * Please see the License for the specific language governing rights and
 * limitations under the License.
 * 
 * @APPLE_LICENSE_HEADER_END@
 */
#ifndef _MACH_O_GETSECT_H_
#define _MACH_O_GETSECT_H_

#include <stdint.h>
#include <mach-o/loader.h>

/*
 * Runtime interfaces for Mach-O programs.  For both 32-bit and 64-bit programs,
 * where the sizes returned will be 32-bit or 64-bit based on the size of
 * 'unsigned long'.
 */
extern char *getsectdata(
    const char *segname,
    const char *sectname,
    unsigned long *size);

extern char *getsectdatafromFramework(
    const char *FrameworkName,
    const char *segname,
    const char *sectname,
    unsigned long *size);

extern unsigned long get_end(void);
extern unsigned long get_etext(void);
extern unsigned long get_edata(void);

#ifndef __LP64__
/*
 * Runtime interfaces for 32-bit Mach-O programs.
 */
extern const struct section *getsectbyname(
    const char *segname,
    const char *sectname);

extern const struct segment_command *getsegbyname(
    const char *segname);

#else /* defined(__LP64__) */
/*
 * Runtime interfaces for 64-bit Mach-O programs.
 */
extern const struct section_64 *getsectbyname(
    const char *segname,
    const char *sectname);

extern const struct segment_command_64 *getsegbyname(
    const char *segname);

#endif /* defined(__LP64__) */

/*
 * Interfaces for tools working with 32-bit Mach-O files.
 */
extern char *getsectdatafromheader(
    const struct mach_header *mhp,
    const char *segname,
    const char *sectname,
    uint32_t *size);

extern const struct section *getsectbynamefromheader(
    const struct mach_header *mhp,
    const char *segname,
    const char *sectname);

/*
 * Interfaces for tools working with 64-bit Mach-O files.
 */
extern char *getsectdatafromheader_64(
    const struct mach_header_64 *mhp,
    const char *segname,
    const char *sectname,
    uint64_t *size);

extern const struct section_64 *getsectbynamefromheader_64(
    const struct mach_header_64 *mhp,
    const char *segname,
    const char *sectname);

#endif /* _MACH_O_GETSECT_H_ */