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1 /*
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2 * Copyright (c) 2004 Apple Computer, Inc. All rights reserved.
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3 *
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4 * @APPLE_LICENSE_HEADER_START@
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5 *
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6 * This file contains Original Code and/or Modifications of Original Code
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7 * as defined in and that are subject to the Apple Public Source License
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8 * Version 2.0 (the 'License'). You may not use this file except in
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9 * compliance with the License. Please obtain a copy of the License at
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10 * http://www.opensource.apple.com/apsl/ and read it before using this
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11 * file.
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12 *
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13 * The Original Code and all software distributed under the License are
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14 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
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15 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
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16 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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17 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
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18 * Please see the License for the specific language governing rights and
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19 * limitations under the License.
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20 *
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21 * @APPLE_LICENSE_HEADER_END@
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22 */
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23 #ifndef _MACH_O_GETSECT_H_
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24 #define _MACH_O_GETSECT_H_
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25
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26 #include <stdint.h>
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27 #include <mach-o/loader.h>
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28
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29 #if __cplusplus
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30 extern "C" {
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31 #endif /* __cplusplus */
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32
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33 /*
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34 * Runtime interfaces for Mach-O programs. For both 32-bit and 64-bit programs,
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35 * where the sizes returned will be 32-bit or 64-bit based on the size of
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36 * 'unsigned long'.
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37 */
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38 extern char *getsectdata(
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39 const char *segname,
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40 const char *sectname,
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41 unsigned long *size);
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42
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43 extern char *getsectdatafromFramework(
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44 const char *FrameworkName,
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45 const char *segname,
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46 const char *sectname,
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47 unsigned long *size);
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48
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49 extern unsigned long get_end(void);
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50 extern unsigned long get_etext(void);
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51 extern unsigned long get_edata(void);
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52
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53 #ifndef __LP64__
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54 /*
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55 * Runtime interfaces for 32-bit Mach-O programs.
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56 */
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57 extern const struct section *getsectbyname(
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58 const char *segname,
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59 const char *sectname);
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60
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61 extern uint8_t *getsectiondata(
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62 const struct mach_header *mhp,
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63 const char *segname,
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64 const char *sectname,
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65 unsigned long *size);
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66
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67 extern const struct segment_command *getsegbyname(
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68 const char *segname);
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69
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70 extern uint8_t *getsegmentdata(
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71 const struct mach_header *mhp,
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72 const char *segname,
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73 unsigned long *size);
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74
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75 #else /* defined(__LP64__) */
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76 /*
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77 * Runtime interfaces for 64-bit Mach-O programs.
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78 */
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79 extern const struct section_64 *getsectbyname(
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80 const char *segname,
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81 const char *sectname);
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82
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83 extern uint8_t *getsectiondata(
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84 const struct mach_header_64 *mhp,
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85 const char *segname,
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86 const char *sectname,
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87 unsigned long *size);
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88
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89 extern const struct segment_command_64 *getsegbyname(
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90 const char *segname);
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91
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92 extern uint8_t *getsegmentdata(
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93 const struct mach_header_64 *mhp,
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94 const char *segname,
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95 unsigned long *size);
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96
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97 #endif /* defined(__LP64__) */
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98
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99 /*
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100 * Interfaces for tools working with 32-bit Mach-O files.
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101 */
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102 extern char *getsectdatafromheader(
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103 const struct mach_header *mhp,
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104 const char *segname,
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105 const char *sectname,
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106 uint32_t *size);
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107
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108 extern const struct section *getsectbynamefromheader(
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109 const struct mach_header *mhp,
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110 const char *segname,
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111 const char *sectname);
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112
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113 /*
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114 * Interfaces for tools working with 64-bit Mach-O files.
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115 */
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116 extern char *getsectdatafromheader_64(
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117 const struct mach_header_64 *mhp,
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118 const char *segname,
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119 const char *sectname,
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120 uint64_t *size);
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121
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122 extern const struct section_64 *getsectbynamefromheader_64(
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123 const struct mach_header_64 *mhp,
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124 const char *segname,
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125 const char *sectname);
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126
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127 #if __cplusplus
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128 }
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129 #endif /* __cplusplus */
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130
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131 #endif /* _MACH_O_GETSECT_H_ */
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