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Source at commit 1146 created 12 years 11 months ago. By azimutz, Sync with trunk (r1145). Add nVidia dev id's, 0DF4 for "GeForce GT 450M" (issue 99) and 1251 for "GeForce GTX 560M" (thanks to oSxFr33k for testing). | |
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1 | /*␊ |
2 | * Copyright (c) 1999-2003 Apple Computer, Inc. All rights reserved.␊ |
3 | *␊ |
4 | * @APPLE_LICENSE_HEADER_START@␊ |
5 | * ␊ |
6 | * Portions Copyright (c) 1999-2003 Apple Computer, Inc. All Rights␊ |
7 | * Reserved. This file contains Original Code and/or Modifications of␊ |
8 | * Original Code as defined in and that are subject to the Apple Public␊ |
9 | * Source License Version 2.0 (the "License"). You may not use this file␊ |
10 | * except in compliance with the License. Please obtain a copy of the␊ |
11 | * License at http://www.apple.com/publicsource and read it before using␊ |
12 | * this file.␊ |
13 | * ␊ |
14 | * The Original Code and all software distributed under the License are␊ |
15 | * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER␊ |
16 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,␊ |
17 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,␊ |
18 | * FITNESS FOR A PARTICULAR PURPOSE OR NON- INFRINGEMENT. Please see the␊ |
19 | * License for the specific language governing rights and limitations␊ |
20 | * under the License.␊ |
21 | * ␊ |
22 | * @APPLE_LICENSE_HEADER_END@␊ |
23 | */␊ |
24 | #include <stdio.h>␊ |
25 | #include <stdlib.h>␊ |
26 | #include <stdbool.h>␊ |
27 | #include <mach/mach.h>␊ |
28 | #include <mach/mach_error.h>␊ |
29 | #include <sys/file.h>␊ |
30 | #include <mach-o/loader.h>␊ |
31 | #include <libkern/OSByteOrder.h>␊ |
32 | #include <unistd.h>␊ |
33 | ␊ |
34 | int␉infile, outfile;␊ |
35 | ␊ |
36 | struct mach_header␉mh;␊ |
37 | void *␉␉cmds;␊ |
38 | ␊ |
39 | static bool␉swap_ends;␊ |
40 | ␊ |
41 | static unsigned long swap(␊ |
42 | unsigned long x␊ |
43 | )␊ |
44 | {␊ |
45 | if (swap_ends)␊ |
46 | ␉return OSSwapInt32(x);␊ |
47 | else␊ |
48 | ␉return x;␊ |
49 | }␊ |
50 | ␊ |
51 | int␊ |
52 | main(int argc, char *argv[])␊ |
53 | {␊ |
54 | kern_return_t␉result;␊ |
55 | vm_address_t␉data;␊ |
56 | int␉␉␉nc, ncmds;␊ |
57 | char *␉␉cp;␊ |
58 | ␊ |
59 | if (argc == 2) {␊ |
60 | ␉infile = open(argv[1], O_RDONLY);␊ |
61 | ␉if (infile < 0)␊ |
62 | ␉ goto usage;␊ |
63 | ␉outfile = fileno(stdout);␊ |
64 | }␊ |
65 | else if (argc == 3) {␊ |
66 | ␉infile = open(argv[1], O_RDONLY);␊ |
67 | ␉if (infile < 0)␊ |
68 | ␉ goto usage;␊ |
69 | ␉outfile = open(argv[2], O_WRONLY|O_CREAT|O_TRUNC, 0644);␊ |
70 | ␉if (outfile < 0)␊ |
71 | ␉ goto usage;␊ |
72 | }␊ |
73 | else {␊ |
74 | usage:␊ |
75 | ␉fprintf(stderr, "usage: machOconv inputfile [outputfile]\n");␊ |
76 | ␉exit(1);␊ |
77 | }␊ |
78 | ␊ |
79 | nc = read(infile, &mh, sizeof (mh));␊ |
80 | if (nc < 0) {␊ |
81 | ␉perror("read mach header");␊ |
82 | ␉exit(1);␊ |
83 | }␊ |
84 | if (nc < (int)sizeof (mh)) {␊ |
85 | ␉fprintf(stderr, "read mach header: premature EOF %d\n", nc);␊ |
86 | ␉exit(1);␊ |
87 | }␊ |
88 | if (mh.magic == MH_MAGIC)␊ |
89 | ␉swap_ends = false;␊ |
90 | else if (mh.magic == MH_CIGAM)␊ |
91 | ␉swap_ends = true;␊ |
92 | else {␊ |
93 | ␉fprintf(stderr, "bad magic number %lx\n", (unsigned long)mh.magic);␊ |
94 | ␉exit(1);␊ |
95 | }␊ |
96 | ␊ |
97 | cmds = calloc(swap(mh.sizeofcmds), sizeof (char));␊ |
98 | if (cmds == 0) {␊ |
99 | ␉fprintf(stderr, "alloc load commands: no memory\n");␊ |
100 | ␉exit(1);␊ |
101 | }␊ |
102 | nc = read(infile, cmds, swap(mh.sizeofcmds));␊ |
103 | if (nc < 0) {␊ |
104 | ␉perror("read load commands");␊ |
105 | ␉exit(1);␊ |
106 | }␊ |
107 | if (nc < (int)swap(mh.sizeofcmds)) {␊ |
108 | ␉fprintf(stderr, "read load commands: premature EOF %d\n", nc);␊ |
109 | ␉exit(1);␊ |
110 | }␊ |
111 | ␊ |
112 | for (␉ncmds = swap(mh.ncmds), cp = cmds;␊ |
113 | ␉␉ncmds > 0; ncmds--) {␊ |
114 | ␉ bool␉isDATA;␊ |
115 | ␉ unsigned␉vmsize;␊ |
116 | ␊ |
117 | #define lcp␉((struct load_command *)cp) ␊ |
118 | ␉switch(swap(lcp->cmd)) {␊ |
119 | ␊ |
120 | ␉case LC_SEGMENT:␊ |
121 | #define scp␉((struct segment_command *)cp)␊ |
122 | ␉ isDATA = (strcmp(scp->segname, "__DATA") == 0);␊ |
123 | ␉ if (isDATA)␊ |
124 | ␉ ␉vmsize = swap(scp->filesize);␊ |
125 | ␉ else␊ |
126 | ␉ ␉vmsize = swap(scp->vmsize);␊ |
127 | ␉ result = vm_allocate(mach_task_self(), &data, vmsize, true);␊ |
128 | ␉ if (result != KERN_SUCCESS) {␊ |
129 | ␉␉mach_error("vm_allocate segment data", result);␊ |
130 | ␉␉exit(1);␊ |
131 | ␉ }␊ |
132 | ␊ |
133 | ␉ lseek(infile, swap(scp->fileoff), L_SET);␊ |
134 | ␉ nc = read(infile, (void *)data, swap(scp->filesize));␊ |
135 | ␉ if (nc < 0) {␊ |
136 | ␉␉perror("read segment data");␊ |
137 | ␉␉exit(1);␊ |
138 | ␉ }␊ |
139 | ␉ if (nc < (int)swap(scp->filesize)) {␊ |
140 | ␉␉fprintf(stderr, "read segment data: premature EOF %d\n", nc);␊ |
141 | ␉␉exit(1);␊ |
142 | ␉ }␊ |
143 | ␊ |
144 | ␉ nc = write(outfile, (void *)data, vmsize);␊ |
145 | ␉ if (nc < (int)vmsize) {␊ |
146 | ␉␉perror("write segment data");␊ |
147 | ␉␉exit(1);␊ |
148 | ␉ }␊ |
149 | ␉ ␊ |
150 | ␉ vm_deallocate(mach_task_self(), data, vmsize);␊ |
151 | ␉ break;␊ |
152 | ␉}␊ |
153 | ␊ |
154 | ␉cp += swap(lcp->cmdsize);␊ |
155 | }␊ |
156 | ␉␊ |
157 | exit(0);␊ |
158 | }␊ |
159 |