xref: /xnu-10002.1.13/bsd/kern/mach_loader.h (revision 1031c584a5e37aff177559b9f69dbd3c8c3fd30a)
1 /*
2  * Copyright (c) 2000-2007 Apple 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
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25  *
26  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27  */
28 /*
29  *	Copyright (C) 1992, NeXT, Inc.
30  *
31  *	File:	kern/mach_loader.h
32  *
33  *	Mach object file loader API.
34  *
35  * HISTORY
36  *  24-Aug-92	Doug Mitchell at NeXT
37  *	Created.
38  */
39 
40 #ifndef _BSD_KERN_MACH_LOADER_H_
41 #define _BSD_KERN_MACH_LOADER_H_
42 
43 #include <mach/mach_types.h>
44 #include <mach-o/loader.h>
45 
46 typedef int load_return_t;
47 
48 /*
49  * Structure describing the result from calling load_machfile(), if that
50  * function returns LOAD_SUCCESS.
51  */
52 typedef struct _load_result {
53 	user_addr_t             mach_header;
54 	user_addr_t             entry_point;
55 
56 	// The user stack pointer and addressable user stack size.
57 	user_addr_t             user_stack;
58 	mach_vm_size_t          user_stack_size;
59 
60 	// The allocation containing the stack and guard area.
61 	user_addr_t             user_stack_alloc;
62 	mach_vm_size_t          user_stack_alloc_size;
63 
64 	mach_vm_address_t       all_image_info_addr;
65 	mach_vm_size_t          all_image_info_size;
66 
67 	int                     thread_count;
68 	unsigned int
69 	    unixproc                : 1,
70 	    needs_dynlinker         : 1,
71 	    dynlinker               : 1,
72 	    validentry              : 1,
73 	    has_pagezero            : 1,
74 	    using_lcmain            : 1,
75 #if __arm64__
76 	    legacy_footprint        : 1,
77 #endif /* __arm64__ */
78 	is_64bit_addr           : 1,
79 	    is_64bit_data           : 1,
80 	    custom_stack            : 1,
81 	    is_rosetta              : 1;
82 	unsigned int            csflags;
83 	unsigned char           uuid[16];
84 	mach_vm_address_t       min_vm_addr;
85 	mach_vm_address_t       max_vm_addr;
86 	mach_vm_address_t       ro_vm_start;
87 	mach_vm_address_t       ro_vm_end;
88 	unsigned int            platform_binary;
89 	off_t                   cs_end_offset;
90 	void                    *threadstate;
91 	size_t                  threadstate_sz;
92 	uint32_t                ip_platform;
93 	uint32_t                lr_min_sdk;
94 	uint32_t                lr_sdk;
95 	user_addr_t             dynlinker_mach_header;
96 	user_addr_t             dynlinker_max_vm_addr;
97 	mach_vm_address_t       dynlinker_ro_vm_start;
98 	mach_vm_address_t       dynlinker_ro_vm_end;
99 	int                     dynlinker_fd;
100 	struct fileproc*        dynlinker_fp;
101 } load_result_t;
102 
103 struct image_params;
104 load_return_t load_machfile(
105 	struct image_params     *imgp,
106 	struct mach_header      *header,
107 	thread_t                thread,
108 	vm_map_t                *mapp,
109 	load_result_t           *result);
110 
111 load_return_t
112 validate_potential_simulator_binary(
113 	cpu_type_t               exectype,
114 	struct image_params      *imgp,
115 	off_t                    file_offset,
116 	off_t                    macho_size);
117 
118 #define LOAD_SUCCESS            0
119 #define LOAD_BADARCH            1       /* CPU type/subtype not found */
120 #define LOAD_BADMACHO           2       /* malformed mach-o file */
121 #define LOAD_SHLIB              3       /* shlib version mismatch */
122 #define LOAD_FAILURE            4       /* Miscellaneous error */
123 #define LOAD_NOSPACE            5       /* No VM available */
124 #define LOAD_PROTECT            6       /* protection violation */
125 #define LOAD_RESOURCE           7       /* resource allocation failure */
126 #define LOAD_ENOENT             8       /* resource not found */
127 #define LOAD_IOERROR            9       /* IO error */
128 #define LOAD_DECRYPTFAIL        10      /* FP decrypt failure */
129 #define LOAD_BADMACHO_UPX       11      /* malformed mach-o file */
130 #define LOAD_BADARCH_X86        12      /* -no32exec boot-arg + attempted load of 32bit x86 binary */
131 
132 #endif  /* _BSD_KERN_MACH_LOADER_H_ */
133