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 kOptQuiet,
67 kOptName,
68 kOptEntryPoint,
69 #ifdef CAN_GENERATE_OBJECTS
70 kOptObject,
71 kOptMatchArch,
72 #endif
73 kOptFilename,
74 kOptAssembly
75 };
76
77 static UOption options[]={
78 /*0*/UOPTION_HELP_H,
79 UOPTION_HELP_QUESTION_MARK,
80 UOPTION_DESTDIR,
81 UOPTION_QUIET,
82 UOPTION_DEF("name", 'n', UOPT_REQUIRES_ARG),
83 UOPTION_DEF("entrypoint", 'e', UOPT_REQUIRES_ARG),
84 #ifdef CAN_GENERATE_OBJECTS
85 /*5*/UOPTION_DEF("object", 'o', UOPT_NO_ARG),
86 UOPTION_DEF("match-arch", 'm', UOPT_REQUIRES_ARG),
87 #endif
88 UOPTION_DEF("filename", 'f', UOPT_REQUIRES_ARG),
89 UOPTION_DEF("assembly", 'a', UOPT_REQUIRES_ARG)
90 };
91
92 #define CALL_WRITECCODE 'c'
93 #define CALL_WRITEASSEMBLY 'a'
94 #define CALL_WRITEOBJECT 'o'
95 extern int
main(int argc,char * argv[])96 main(int argc, char* argv[]) {
97 UBool verbose = TRUE;
98 char writeCode;
99
100 U_MAIN_INIT_ARGS(argc, argv);
101
102 options[kOptDestDir].value = ".";
103
104 /* read command line options */
105 argc=u_parseArgs(argc, argv, UPRV_LENGTHOF(options), options);
106
107 /* error handling, printing usage message */
108 if(argc<0) {
109 fprintf(stderr,
110 "error in command line argument \"%s\"\n",
111 argv[-argc]);
112 }
113 if(argc<0 || options[kOptHelpH].doesOccur || options[kOptHelpQuestionMark].doesOccur) {
114 fprintf(stderr,
115 "usage: %s [-options] filename1 filename2 ...\n"
116 "\tread each binary input file and \n"
117 "\tcreate a .c file with a byte array that contains the input file's data\n"
118 "options:\n"
119 "\t-h or -? or --help this usage text\n"
120 "\t-d or --destdir destination directory, followed by the path\n"
121 "\t-q or --quiet do not display warnings and progress\n"
122 "\t-n or --name symbol prefix, followed by the prefix\n"
123 "\t-e or --entrypoint entry point name, followed by the name (_dat will be appended)\n"
124 "\t-r or --revision Specify a version\n"
125 , argv[0]);
126 #ifdef CAN_GENERATE_OBJECTS
127 fprintf(stderr,
128 "\t-o or --object write a .obj file instead of .c\n"
129 "\t-m or --match-arch file.o match the architecture (CPU, 32/64 bits) of the specified .o\n"
130 "\t ELF format defaults to i386. Windows defaults to the native platform.\n");
131 #endif
132 fprintf(stderr,
133 "\t-f or --filename Specify an alternate base filename. (default: symbolname_typ)\n"
134 "\t-a or --assembly Create assembly file. (possible values are: ");
135
136 printAssemblyHeadersToStdErr();
137 } else {
138 const char *message, *filename;
139 /* TODO: remove void (*writeCode)(const char *, const char *); */
140
141 if(options[kOptAssembly].doesOccur) {
142 message="generating assembly code for %s\n";
143 writeCode = CALL_WRITEASSEMBLY;
144 /* TODO: remove writeCode=&writeAssemblyCode; */
145
146 if (!checkAssemblyHeaderName(options[kOptAssembly].value)) {
147 fprintf(stderr,
148 "Assembly type \"%s\" is unknown.\n", options[kOptAssembly].value);
149 return -1;
150 }
151 }
152 #ifdef CAN_GENERATE_OBJECTS
153 else if(options[kOptObject].doesOccur) {
154 message="generating object code for %s\n";
155 writeCode = CALL_WRITEOBJECT;
156 /* TODO: remove writeCode=&writeObjectCode; */
157 }
158 #endif
159 else
160 {
161 message="generating C code for %s\n";
162 writeCode = CALL_WRITECCODE;
163 /* TODO: remove writeCode=&writeCCode; */
164 }
165 if (options[kOptQuiet].doesOccur) {
166 verbose = FALSE;
167 }
168 while(--argc) {
169 filename=getLongPathname(argv[argc]);
170 if (verbose) {
171 fprintf(stdout, message, filename);
172 }
173
174 switch (writeCode) {
175 case CALL_WRITECCODE:
176 writeCCode(filename, options[kOptDestDir].value,
177 options[kOptName].doesOccur ? options[kOptName].value : NULL,
178 options[kOptFilename].doesOccur ? options[kOptFilename].value : NULL,
179 NULL,
180 0);
181 break;
182 case CALL_WRITEASSEMBLY:
183 writeAssemblyCode(filename, options[kOptDestDir].value,
184 options[kOptEntryPoint].doesOccur ? options[kOptEntryPoint].value : NULL,
185 options[kOptFilename].doesOccur ? options[kOptFilename].value : NULL,
186 NULL,
187 0);
188 break;
189 #ifdef CAN_GENERATE_OBJECTS
190 case CALL_WRITEOBJECT:
191 writeObjectCode(filename, options[kOptDestDir].value,
192 options[kOptEntryPoint].doesOccur ? options[kOptEntryPoint].value : NULL,
193 options[kOptMatchArch].doesOccur ? options[kOptMatchArch].value : NULL,
194 options[kOptFilename].doesOccur ? options[kOptFilename].value : NULL,
195 NULL,
196 0);
197 break;
198 #endif
199 default:
200 /* Should never occur. */
201 break;
202 }
203 /* TODO: remove writeCode(filename, options[kOptDestDir].value); */
204 }
205 }
206
207 return 0;
208 }
209