1/*
2 *******************************************************************************
3 *   Copyright (C) 1999-2013, International Business Machines
4 *   Corporation and others.  All Rights Reserved.
5 *******************************************************************************
6 *   file name:  gennames.c
7 *   encoding:   US-ASCII
8 *   tab size:   8 (not used)
9 *   indentation:4
10 *
11 *   created on: 1999nov01
12 *   created by: Markus W. Scherer
13 *
14 *   This program reads a binary file and creates a C source code file
15 *   with a byte array that contains the data of the binary file.
16 *
17 *   12/09/1999  weiv    Added multiple file handling
18 */
19
20#include "unicode/utypes.h"
21
22#if U_PLATFORM_HAS_WIN32_API
23#   define VC_EXTRALEAN
24#   define WIN32_LEAN_AND_MEAN
25#   define NOUSER
26#   define NOSERVICE
27#   define NOIME
28#   define NOMCX
29#include <windows.h>
30#include <time.h>
31#endif
32
33#if U_PLATFORM_IS_LINUX_BASED && U_HAVE_ELF_H
34#   define U_ELF
35#endif
36
37#ifdef U_ELF
38#   include <elf.h>
39#   if defined(ELFCLASS64)
40#       define U_ELF64
41#   endif
42    /* Old elf.h headers may not have EM_X86_64, or have EM_X8664 instead. */
43#   ifndef EM_X86_64
44#       define EM_X86_64 62
45#   endif
46#   define ICU_ENTRY_OFFSET 0
47#endif
48
49#include <stdio.h>
50#include <stdlib.h>
51#include "unicode/putil.h"
52#include "cmemory.h"
53#include "cstring.h"
54#include "filestrm.h"
55#include "toolutil.h"
56#include "unicode/uclean.h"
57#include "uoptions.h"
58#include "pkg_genc.h"
59
60enum {
61  kOptHelpH = 0,
62  kOptHelpQuestionMark,
63  kOptDestDir,
64  kOptName,
65  kOptEntryPoint,
66#ifdef CAN_GENERATE_OBJECTS
67  kOptObject,
68  kOptMatchArch,
69#endif
70  kOptFilename,
71  kOptAssembly
72};
73
74static UOption options[]={
75/*0*/UOPTION_HELP_H,
76     UOPTION_HELP_QUESTION_MARK,
77     UOPTION_DESTDIR,
78     UOPTION_DEF("name", 'n', UOPT_REQUIRES_ARG),
79     UOPTION_DEF("entrypoint", 'e', UOPT_REQUIRES_ARG),
80#ifdef CAN_GENERATE_OBJECTS
81/*5*/UOPTION_DEF("object", 'o', UOPT_NO_ARG),
82     UOPTION_DEF("match-arch", 'm', UOPT_REQUIRES_ARG),
83#endif
84     UOPTION_DEF("filename", 'f', UOPT_REQUIRES_ARG),
85     UOPTION_DEF("assembly", 'a', UOPT_REQUIRES_ARG)
86};
87
88#define CALL_WRITECCODE     'c'
89#define CALL_WRITEASSEMBLY  'a'
90#define CALL_WRITEOBJECT    'o'
91extern int
92main(int argc, char* argv[]) {
93    UBool verbose = TRUE;
94    char writeCode;
95
96    U_MAIN_INIT_ARGS(argc, argv);
97
98    options[kOptDestDir].value = ".";
99
100    /* read command line options */
101    argc=u_parseArgs(argc, argv, sizeof(options)/sizeof(options[0]), options);
102
103    /* error handling, printing usage message */
104    if(argc<0) {
105        fprintf(stderr,
106            "error in command line argument \"%s\"\n",
107            argv[-argc]);
108    }
109    if(argc<0 || options[kOptHelpH].doesOccur || options[kOptHelpQuestionMark].doesOccur) {
110        fprintf(stderr,
111            "usage: %s [-options] filename1 filename2 ...\n"
112            "\tread each binary input file and \n"
113            "\tcreate a .c file with a byte array that contains the input file's data\n"
114            "options:\n"
115            "\t-h or -? or --help  this usage text\n"
116            "\t-d or --destdir     destination directory, followed by the path\n"
117            "\t-n or --name        symbol prefix, followed by the prefix\n"
118            "\t-e or --entrypoint  entry point name, followed by the name (_dat will be appended)\n"
119            "\t-r or --revision    Specify a version\n"
120            , argv[0]);
121#ifdef CAN_GENERATE_OBJECTS
122        fprintf(stderr,
123            "\t-o or --object      write a .obj file instead of .c\n"
124            "\t-m or --match-arch file.o  match the architecture (CPU, 32/64 bits) of the specified .o\n"
125            "\t                    ELF format defaults to i386. Windows defaults to the native platform.\n");
126#endif
127        fprintf(stderr,
128            "\t-f or --filename    Specify an alternate base filename. (default: symbolname_typ)\n"
129            "\t-a or --assembly    Create assembly file. (possible values are: ");
130
131        printAssemblyHeadersToStdErr();
132    } else {
133        const char *message, *filename;
134        /* TODO: remove void (*writeCode)(const char *, const char *); */
135
136        if(options[kOptAssembly].doesOccur) {
137            message="generating assembly code for %s\n";
138            writeCode = CALL_WRITEASSEMBLY;
139            /* TODO: remove writeCode=&writeAssemblyCode; */
140
141            if (!checkAssemblyHeaderName(options[kOptAssembly].value)) {
142                fprintf(stderr,
143                    "Assembly type \"%s\" is unknown.\n", options[kOptAssembly].value);
144                return -1;
145            }
146        }
147#ifdef CAN_GENERATE_OBJECTS
148        else if(options[kOptObject].doesOccur) {
149            message="generating object code for %s\n";
150            writeCode = CALL_WRITEOBJECT;
151            /* TODO: remove writeCode=&writeObjectCode; */
152        }
153#endif
154        else
155        {
156            message="generating C code for %s\n";
157            writeCode = CALL_WRITECCODE;
158            /* TODO: remove writeCode=&writeCCode; */
159        }
160        while(--argc) {
161            filename=getLongPathname(argv[argc]);
162            if (verbose) {
163                fprintf(stdout, message, filename);
164            }
165
166            switch (writeCode) {
167            case CALL_WRITECCODE:
168                writeCCode(filename, options[kOptDestDir].value,
169                           options[kOptName].doesOccur ? options[kOptName].value : NULL,
170                           options[kOptFilename].doesOccur ? options[kOptFilename].value : NULL,
171                           NULL);
172                break;
173            case CALL_WRITEASSEMBLY:
174                writeAssemblyCode(filename, options[kOptDestDir].value,
175                                  options[kOptEntryPoint].doesOccur ? options[kOptEntryPoint].value : NULL,
176                                  options[kOptFilename].doesOccur ? options[kOptFilename].value : NULL,
177                                  NULL);
178                break;
179#ifdef CAN_GENERATE_OBJECTS
180            case CALL_WRITEOBJECT:
181                writeObjectCode(filename, options[kOptDestDir].value,
182                                options[kOptEntryPoint].doesOccur ? options[kOptEntryPoint].value : NULL,
183                                options[kOptMatchArch].doesOccur ? options[kOptMatchArch].value : NULL,
184                                options[kOptFilename].doesOccur ? options[kOptFilename].value : NULL,
185                                NULL);
186                break;
187#endif
188            default:
189                /* Should never occur. */
190                break;
191            }
192            /* TODO: remove writeCode(filename, options[kOptDestDir].value); */
193        }
194    }
195
196    return 0;
197}
198