1 // © 2016 and later: Unicode, Inc. and others.
2 // License & terms of use: http://www.unicode.org/copyright.html
3 /*
4 *******************************************************************************
5 * Copyright (C) 1999-2016, International Business Machines
6 * Corporation and others. All Rights Reserved.
7 *******************************************************************************
8 * file name: gennames.c
9 * encoding: UTF-8
10 * tab size: 8 (not used)
11 * indentation:4
12 *
13 * created on: 1999nov01
14 * created by: Markus W. Scherer
15 *
16 * This program reads a binary file and creates a C source code file
17 * with a byte array that contains the data of the binary file.
18 *
19 * 12/09/1999 weiv Added multiple file handling
20 */
21
22 #include "unicode/utypes.h"
23
24 #if U_PLATFORM_HAS_WIN32_API
25 # define VC_EXTRALEAN
26 # define WIN32_LEAN_AND_MEAN
27 # define NOUSER
28 # define NOSERVICE
29 # define NOIME
30 # define NOMCX
31 #include <windows.h>
32 #include <time.h>
33 #endif
34
35 #if U_PLATFORM_IS_LINUX_BASED && U_HAVE_ELF_H
36 # define U_ELF
37 #endif
38
39 #ifdef U_ELF
40 # include <elf.h>
41 # if defined(ELFCLASS64)
42 # define U_ELF64
43 # endif
44 /* Old elf.h headers may not have EM_X86_64, or have EM_X8664 instead. */
45 # ifndef EM_X86_64
46 # define EM_X86_64 62
47 # endif
48 # define ICU_ENTRY_OFFSET 0
49 #endif
50
51 #include <stdio.h>
52 #include <stdlib.h>
53 #include "unicode/putil.h"
54 #include "cmemory.h"
55 #include "cstring.h"
56 #include "filestrm.h"
57 #include "toolutil.h"
58 #include "unicode/uclean.h"
59 #include "uoptions.h"
60 #include "pkg_genc.h"
61
62 enum {
63 kOptHelpH = 0,
64 kOptHelpQuestionMark,
65 kOptDestDir,
66 kOptName,
67 kOptEntryPoint,
68 #ifdef CAN_GENERATE_OBJECTS
69 kOptObject,
70 kOptMatchArch,
71 #endif
72 kOptFilename,
73 kOptAssembly
74 };
75
76 static UOption options[]={
77 /*0*/UOPTION_HELP_H,
78 UOPTION_HELP_QUESTION_MARK,
79 UOPTION_DESTDIR,
80 UOPTION_DEF("name", 'n', UOPT_REQUIRES_ARG),
81 UOPTION_DEF("entrypoint", 'e', UOPT_REQUIRES_ARG),
82 #ifdef CAN_GENERATE_OBJECTS
83 /*5*/UOPTION_DEF("object", 'o', UOPT_NO_ARG),
84 UOPTION_DEF("match-arch", 'm', UOPT_REQUIRES_ARG),
85 #endif
86 UOPTION_DEF("filename", 'f', UOPT_REQUIRES_ARG),
87 UOPTION_DEF("assembly", 'a', UOPT_REQUIRES_ARG)
88 };
89
90 #define CALL_WRITECCODE 'c'
91 #define CALL_WRITEASSEMBLY 'a'
92 #define CALL_WRITEOBJECT 'o'
93 extern int
main(int argc,char * argv[])94 main(int argc, char* argv[]) {
95 UBool verbose = TRUE;
96 char writeCode;
97
98 U_MAIN_INIT_ARGS(argc, argv);
99
100 options[kOptDestDir].value = ".";
101
102 /* read command line options */
103 argc=u_parseArgs(argc, argv, UPRV_LENGTHOF(options), options);
104
105 /* error handling, printing usage message */
106 if(argc<0) {
107 fprintf(stderr,
108 "error in command line argument \"%s\"\n",
109 argv[-argc]);
110 }
111 if(argc<0 || options[kOptHelpH].doesOccur || options[kOptHelpQuestionMark].doesOccur) {
112 fprintf(stderr,
113 "usage: %s [-options] filename1 filename2 ...\n"
114 "\tread each binary input file and \n"
115 "\tcreate a .c file with a byte array that contains the input file's data\n"
116 "options:\n"
117 "\t-h or -? or --help this usage text\n"
118 "\t-d or --destdir destination directory, followed by the path\n"
119 "\t-n or --name symbol prefix, followed by the prefix\n"
120 "\t-e or --entrypoint entry point name, followed by the name (_dat will be appended)\n"
121 "\t-r or --revision Specify a version\n"
122 , argv[0]);
123 #ifdef CAN_GENERATE_OBJECTS
124 fprintf(stderr,
125 "\t-o or --object write a .obj file instead of .c\n"
126 "\t-m or --match-arch file.o match the architecture (CPU, 32/64 bits) of the specified .o\n"
127 "\t ELF format defaults to i386. Windows defaults to the native platform.\n");
128 #endif
129 fprintf(stderr,
130 "\t-f or --filename Specify an alternate base filename. (default: symbolname_typ)\n"
131 "\t-a or --assembly Create assembly file. (possible values are: ");
132
133 printAssemblyHeadersToStdErr();
134 } else {
135 const char *message, *filename;
136 /* TODO: remove void (*writeCode)(const char *, const char *); */
137
138 if(options[kOptAssembly].doesOccur) {
139 message="generating assembly code for %s\n";
140 writeCode = CALL_WRITEASSEMBLY;
141 /* TODO: remove writeCode=&writeAssemblyCode; */
142
143 if (!checkAssemblyHeaderName(options[kOptAssembly].value)) {
144 fprintf(stderr,
145 "Assembly type \"%s\" is unknown.\n", options[kOptAssembly].value);
146 return -1;
147 }
148 }
149 #ifdef CAN_GENERATE_OBJECTS
150 else if(options[kOptObject].doesOccur) {
151 message="generating object code for %s\n";
152 writeCode = CALL_WRITEOBJECT;
153 /* TODO: remove writeCode=&writeObjectCode; */
154 }
155 #endif
156 else
157 {
158 message="generating C code for %s\n";
159 writeCode = CALL_WRITECCODE;
160 /* TODO: remove writeCode=&writeCCode; */
161 }
162 while(--argc) {
163 filename=getLongPathname(argv[argc]);
164 if (verbose) {
165 fprintf(stdout, message, filename);
166 }
167
168 switch (writeCode) {
169 case CALL_WRITECCODE:
170 writeCCode(filename, options[kOptDestDir].value,
171 options[kOptName].doesOccur ? options[kOptName].value : NULL,
172 options[kOptFilename].doesOccur ? options[kOptFilename].value : NULL,
173 NULL);
174 break;
175 case CALL_WRITEASSEMBLY:
176 writeAssemblyCode(filename, options[kOptDestDir].value,
177 options[kOptEntryPoint].doesOccur ? options[kOptEntryPoint].value : NULL,
178 options[kOptFilename].doesOccur ? options[kOptFilename].value : NULL,
179 NULL);
180 break;
181 #ifdef CAN_GENERATE_OBJECTS
182 case CALL_WRITEOBJECT:
183 writeObjectCode(filename, options[kOptDestDir].value,
184 options[kOptEntryPoint].doesOccur ? options[kOptEntryPoint].value : NULL,
185 options[kOptMatchArch].doesOccur ? options[kOptMatchArch].value : NULL,
186 options[kOptFilename].doesOccur ? options[kOptFilename].value : NULL,
187 NULL);
188 break;
189 #endif
190 default:
191 /* Should never occur. */
192 break;
193 }
194 /* TODO: remove writeCode(filename, options[kOptDestDir].value); */
195 }
196 }
197
198 return 0;
199 }
200