1 | /* $Id: VBoxDef2LazyLoad.cpp 47685 2013-08-13 10:19:25Z vboxsync $ */
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2 | /** @file
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3 | * VBoxDef2LazyLoad - Lazy Library Loader Generator.
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4 | *
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5 | * @note Only tested on win.amd64.
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6 | */
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7 |
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8 | /*
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9 | * Copyright (C) 2013 Oracle Corporation
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10 | *
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11 | * This file is part of VirtualBox Open Source Edition (OSE), as
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12 | * available from http://www.virtualbox.org. This file is free software;
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13 | * you can redistribute it and/or modify it under the terms of the GNU
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14 | * General Public License (GPL) as published by the Free Software
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15 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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16 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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17 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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18 | */
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19 |
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20 | /*******************************************************************************
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21 | * Header Files *
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22 | *******************************************************************************/
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23 | #include <ctype.h>
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24 | #include <stdio.h>
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25 | #include <string.h>
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26 | #include <stdlib.h>
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27 | #include <iprt/types.h>
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28 |
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29 |
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30 | /*******************************************************************************
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31 | * Structures and Typedefs *
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32 | *******************************************************************************/
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33 | typedef struct MYEXPORT
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34 | {
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35 | struct MYEXPORT *pNext;
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36 | bool fNoName;
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37 | unsigned uOrdinal;
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38 | char szName[1];
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39 | } MYEXPORT;
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40 | typedef MYEXPORT *PMYEXPORT;
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41 |
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42 |
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43 |
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44 | /*******************************************************************************
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45 | * Global Variables *
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46 | *******************************************************************************/
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47 | /** @name Options
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48 | * @{ */
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49 | static const char *g_pszOutput = NULL;
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50 | static const char *g_pszInput = NULL;
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51 | static const char *g_pszLibrary = NULL;
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52 | static bool g_fIgnoreData = true;
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53 | /** @} */
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54 |
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55 | /** Pointer to the export name list head. */
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56 | static PMYEXPORT g_pExpHead = NULL;
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57 | /** Pointer to the next pointer for insertion. */
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58 | static PMYEXPORT *g_ppExpNext = &g_pExpHead;
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59 |
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60 |
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61 |
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62 | static const char *leftStrip(const char *psz)
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63 | {
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64 | while (isspace(*psz))
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65 | psz++;
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66 | return psz;
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67 | }
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68 |
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69 |
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70 | static char *leftStrip(char *psz)
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71 | {
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72 | while (isspace(*psz))
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73 | psz++;
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74 | return psz;
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75 | }
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76 |
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77 |
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78 | static unsigned wordLength(const char *pszWord)
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79 | {
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80 | unsigned off = 0;
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81 | char ch;
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82 | while ( (ch = pszWord[off]) != '\0'
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83 | && ch != '='
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84 | && ch != ','
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85 | && ch != ':'
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86 | && !isspace(ch) )
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87 | off++;
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88 | return off;
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89 | }
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90 |
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91 |
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92 | /**
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93 | * Parses the module definition file, collecting export information.
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94 | *
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95 | * @returns RTEXITCODE_SUCCESS or RTEXITCODE_FAILURE, in the latter case full
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96 | * details has been displayed.
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97 | * @param pInput The input stream.
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98 | */
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99 | static RTEXITCODE parseInputInner(FILE *pInput)
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100 | {
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101 | /*
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102 | * Process the file line-by-line.
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103 | */
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104 | bool fInExports = false;
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105 | unsigned iLine = 0;
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106 | char szLine[16384];
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107 | while (fgets(szLine, sizeof(szLine), pInput))
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108 | {
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109 | iLine++;
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110 |
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111 | /*
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112 | * Strip leading and trailing spaces from the line as well as
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113 | * trailing comments.
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114 | */
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115 | char *psz = leftStrip(szLine);
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116 | if (*psz == ';')
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117 | continue; /* comment line. */
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118 |
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119 | char *pszComment = strchr(psz, ';');
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120 | if (pszComment)
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121 | *pszComment = '\0';
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122 |
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123 | unsigned cch = (unsigned)strlen(psz);
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124 | while (cch > 0 && (isspace(psz[cch - 1]) || psz[cch - 1] == '\r' || psz[cch - 1] == '\n'))
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125 | psz[--cch] = '\0';
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126 |
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127 | if (!cch)
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128 | continue;
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129 |
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130 | /*
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131 | * Check for known directives.
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132 | */
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133 | size_t cchWord0 = wordLength(psz);
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134 | #define WORD_CMP(pszWord1, cchWord1, szWord2) \
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135 | ( (cchWord1) == sizeof(szWord2) - 1 && memcmp(pszWord1, szWord2, sizeof(szWord2) - 1) == 0 )
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136 | if (WORD_CMP(psz, cchWord0, "EXPORTS"))
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137 | {
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138 | fInExports = true;
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139 |
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140 | /* In case there is an export on the same line. (Really allowed?) */
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141 | psz = leftStrip(psz + sizeof("EXPORTS") - 1);
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142 | if (!*psz)
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143 | continue;
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144 | }
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145 | /* Directives that we don't care about, but need to catch in order to
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146 | terminate the EXPORTS section in a timely manner. */
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147 | else if ( WORD_CMP(psz, cchWord0, "NAME")
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148 | || WORD_CMP(psz, cchWord0, "LIBRARY")
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149 | || WORD_CMP(psz, cchWord0, "DESCRIPTION")
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150 | || WORD_CMP(psz, cchWord0, "STACKSIZE")
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151 | || WORD_CMP(psz, cchWord0, "SECTIONS")
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152 | || WORD_CMP(psz, cchWord0, "SEGMENTS")
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153 | || WORD_CMP(psz, cchWord0, "VERSION")
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154 | )
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155 | {
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156 | fInExports = false;
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157 | }
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158 |
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159 | /*
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160 | * Process exports:
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161 | * entryname[=internalname] [@ordinal[ ][NONAME]] [DATA] [PRIVATE]
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162 | */
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163 | if (fInExports)
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164 | {
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165 | const char *pchName = psz;
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166 | unsigned cchName = wordLength(psz);
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167 |
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168 | psz = leftStrip(psz + cchName);
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169 | if (*psz == '=')
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170 | {
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171 | psz = leftStrip(psz + 1);
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172 | psz = leftStrip(psz + wordLength(psz));
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173 | }
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174 |
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175 | bool fNoName = true;
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176 | unsigned uOrdinal = ~0U;
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177 | if (*psz == '@')
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178 | {
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179 | psz++;
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180 | if (!isdigit(*psz))
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181 | {
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182 | fprintf(stderr, "%s:%u: error: Invalid ordinal spec.\n", g_pszInput, iLine);
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183 | return RTEXITCODE_FAILURE;
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184 | }
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185 | uOrdinal = *psz++ - '0';
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186 | while (isdigit(*psz))
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187 | {
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188 | uOrdinal *= 10;
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189 | uOrdinal += *psz++ - '0';
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190 | }
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191 | psz = leftStrip(psz);
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192 | cch = wordLength(psz);
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193 | if (WORD_CMP(psz, cch, "NONAME"))
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194 | {
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195 | #if 0
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196 | fNoName = true;
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197 | psz = leftStrip(psz + cch);
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198 | #else
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199 | fprintf(stderr, "%s:%u: error: NONAME export not implemented.\n", g_pszInput, iLine);
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200 | return RTEXITCODE_FAILURE;
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201 | #endif
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202 | }
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203 | }
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204 |
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205 | while (*psz)
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206 | {
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207 | cch = wordLength(psz);
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208 | if (WORD_CMP(psz, cch, "DATA"))
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209 | {
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210 | if (!g_fIgnoreData)
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211 | {
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212 | fprintf(stderr, "%s:%u: error: Cannot wrap up DATA export '%.*s'.\n",
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213 | g_pszInput, iLine, cchName, pchName);
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214 | return RTEXITCODE_SUCCESS;
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215 | }
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216 | }
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217 | else if (!WORD_CMP(psz, cch, "PRIVATE"))
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218 | {
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219 | fprintf(stderr, "%s:%u: error: Cannot wrap up DATA export '%.*s'.\n",
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220 | g_pszInput, iLine, cchName, pchName);
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221 | return RTEXITCODE_SUCCESS;
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222 | }
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223 | psz = leftStrip(psz + cch);
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224 | }
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225 |
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226 | /*
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227 | * Add the export.
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228 | */
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229 | PMYEXPORT pExp = (PMYEXPORT)malloc(sizeof(*pExp) + cchName);
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230 | if (!pExp)
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231 | {
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232 | fprintf(stderr, "%s:%u: error: Out of memory.\n", g_pszInput, iLine);
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233 | return RTEXITCODE_SUCCESS;
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234 | }
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235 | memcpy(pExp->szName, pchName, cchName);
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236 | pExp->szName[cchName] = '\0';
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237 | pExp->uOrdinal = uOrdinal;
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238 | pExp->fNoName = fNoName;
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239 | pExp->pNext = NULL;
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240 | *g_ppExpNext = pExp;
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241 | g_ppExpNext = &pExp->pNext;
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242 | }
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243 | }
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244 |
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245 | /*
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246 | * Why did we quit the loop, EOF or error?
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247 | */
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248 | if (feof(pInput))
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249 | return RTEXITCODE_SUCCESS;
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250 | fprintf(stderr, "error: Read while reading '%s' (iLine=%u).\n", g_pszInput, iLine);
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251 | return RTEXITCODE_FAILURE;
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252 | }
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253 |
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254 |
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255 | /**
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256 | * Parses g_pszInput, populating the list pointed to by g_pExpHead.
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257 | *
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258 | * @returns RTEXITCODE_SUCCESS or RTEXITCODE_FAILURE, in the latter case full
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259 | * details has been displayed.
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260 | */
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261 | static RTEXITCODE parseInput(void)
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262 | {
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263 | RTEXITCODE rcExit = RTEXITCODE_FAILURE;
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264 | FILE *pInput = fopen(g_pszInput, "r");
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265 | if (pInput)
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266 | {
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267 | rcExit = parseInputInner(pInput);
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268 | fclose(pInput);
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269 | if (rcExit == RTEXITCODE_SUCCESS && !g_pExpHead)
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270 | {
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271 | fprintf(stderr, "error: Found no exports in '%s'.\n", g_pszInput);
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272 | rcExit = RTEXITCODE_FAILURE;
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273 | }
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274 | }
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275 | else
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276 | fprintf(stderr, "error: Failed to open '%s' for reading.\n", g_pszInput);
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277 | return rcExit;
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278 | }
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279 |
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280 |
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281 | /**
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282 | * Generates the assembly source code, writing it to @a pOutput.
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283 | *
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284 | * @returns RTEXITCODE_SUCCESS or RTEXITCODE_FAILURE, in the latter case full
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285 | * details has been displayed.
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286 | * @param pOutput The output stream (caller checks it for errors
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287 | * when closing).
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288 | */
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289 | static RTEXITCODE generateOutputInner(FILE *pOutput)
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290 | {
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291 | fprintf(pOutput,
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292 | ";; Autogenerated from '%s'. DO NOT EDIT!\n"
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293 | "\n"
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294 | "%%include \"iprt/asmdefs.mac\"\n"
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295 | "\n"
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296 | "BEGINCODE\n",
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297 | g_pszInput);
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298 |
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299 | for (PMYEXPORT pExp = g_pExpHead; pExp; pExp = pExp->pNext)
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300 | {
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301 | fprintf(pOutput,
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302 | "BEGINDATA\n"
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303 | "%%ifdef ASM_FORMAT_PE\n"
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304 | "global __imp_%s\n"
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305 | "__imp_%s:\n"
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306 | "%%endif\n"
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307 | "g_pfn%s RTCCPTR_DEF ___LazyLoad___%s\n"
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308 | "BEGINCODE\n"
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309 | "BEGINPROC %s\n"
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310 | " jmp RTCCPTR_PRE [g_pfn%s xWrtRIP]\n"
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311 | "ENDPROC %s\n"
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312 | "___LazyLoad___%s:\n"
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313 | /* "int3\n" */
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314 | "%%ifdef RT_ARCH_AMD64\n"
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315 | " lea rax, [.szName wrt rip]\n"
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316 | " lea r10, [g_pfn%s wrt rip]\n"
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317 | "%%elifdef RT_ARCH_X86\n"
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318 | " push .szName\n"
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319 | " push g_pfn%s\n"
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320 | "%%else\n"
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321 | " %%error \"Unsupported architecture\"\n"
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322 | "%%endif\n"
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323 | " call NAME(LazyLoadResolver)\n"
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324 | "%%ifdef RT_ARCH_X86\n"
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325 | " add esp, 8h\n"
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326 | "%%endif\n"
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327 | " jmp NAME(%s)\n"
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328 | ".szName db '%s',0\n"
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329 | "\n"
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330 | ,
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331 | pExp->szName,
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332 | pExp->szName,
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333 | pExp->szName, pExp->szName,
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334 | pExp->szName,
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335 | pExp->szName,
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336 | pExp->szName,
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337 | pExp->szName,
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338 | pExp->szName,
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339 | pExp->szName,
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340 | pExp->szName,
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341 | pExp->szName);
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342 | }
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343 |
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344 | /*
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345 | * The code that does the loading and resolving.
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346 | */
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347 | fprintf(pOutput,
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348 | "BEGINDATA\n"
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349 | "g_hMod RTCCPTR_DEF 0\n"
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350 | "\n"
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351 | "BEGINCODE\n");
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352 |
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353 | /*
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354 | * How we load the module needs to be selectable later on.
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355 | *
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356 | * The LazyLoading routine returns the module handle in RCX/ECX, caller
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357 | * saved all necessary registers.
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358 | */
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359 | fprintf(pOutput,
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360 | ";\n"
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361 | ";SUPR3DECL(int) SUPR3HardenedLdrLoadAppPriv(const char *pszFilename, PRTLDRMOD phLdrMod, \n"
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362 | "; uint32_t fFlags, PRTERRINFO pErrInfo);\n"
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363 | ";\n"
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364 | "extern IMPNAME(SUPR3HardenedLdrLoadAppPriv)\n"
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365 | "\n"
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366 | "BEGINPROC LazyLoading\n"
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367 | " mov xCX, [g_hMod xWrtRIP]\n"
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368 | " or xCX, xCX\n"
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369 | " jnz .return\n"
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370 | "\n"
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371 | "%%ifdef ASM_CALL64_GCC\n"
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372 | " xor rcx, rcx ; pErrInfo (local load)\n"
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373 | " xor rdx, rdx ; fFlags (local load)\n"
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374 | " lea rsi, [g_hMod wrt rip] ; phLdrMod\n"
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375 | " lea rdi, [.szLib wrt rip] ; pszFilename\n"
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376 | " sub rsp, 08h\n"
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377 | " call IMP2(SUPR3HardenedLdrLoadAppPriv)\n"
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378 | " add rsp, 08h\n"
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379 | "\n"
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380 | "%%elifdef ASM_CALL64_MSC\n"
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381 | " xor r9, r9 ; pErrInfo (local load)\n"
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382 | " xor r8, r8 ; fFlags (local load)\n"
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383 | " lea rdx, [g_hMod wrt rip] ; phLdrMod\n"
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384 | " lea rcx, [.szLib wrt rip] ; pszFilename\n"
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385 | " sub rsp, 28h\n"
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386 | " call IMP2(SUPR3HardenedLdrLoadAppPriv)\n"
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387 | " add rsp, 28h\n"
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388 | "\n"
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389 | "%%elifdef RT_ARCH_X86\n"
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390 | " sub rsp, 0ch\n"
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391 | " push 0 ; pErrInfo\n"
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392 | " push 0 ; fFlags (local load)\n"
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393 | " push g_hMod ; phLdrMod\n"
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394 | " push .szLib ; pszFilename\n"
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395 | " call IMP2(SUPR3HardenedLdrLoadAppPriv)\n"
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396 | " add esp, 1ch\n"
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397 | "%%else\n"
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398 | " %%error \"Unsupported architecture\"\n"
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399 | "%%endif\n"
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400 | " or eax, eax\n"
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401 | " jz .loadok\n"
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402 | ".badload:\n"
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403 | " int3\n"
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404 | " jmp .badload\n"
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405 | ".loadok:\n"
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406 | " mov xCX, [g_hMod xWrtRIP]\n"
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407 | ".return:\n"
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408 | " ret\n"
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409 | ".szLib db '%s',0\n"
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410 | "ENDPROC LazyLoading\n"
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411 | , g_pszLibrary);
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412 |
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413 |
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414 | fprintf(pOutput,
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415 | "\n"
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416 | ";\n"
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417 | ";RTDECL(int) RTLdrGetSymbol(RTLDRMOD hLdrMod, const char *pszSymbol, void **ppvValue);\n"
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418 | ";\n"
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419 | "extern IMPNAME(RTLdrGetSymbol)\n"
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420 | "BEGINPROC LazyLoadResolver\n"
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421 | "%%ifdef RT_ARCH_AMD64\n"
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422 | " push rbp\n"
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423 | " mov rbp, rsp\n"
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424 | " push r15\n"
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425 | " push r14\n"
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426 | " mov r15, rax ; name\n"
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427 | " mov r14, r10 ; ppfn\n"
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428 | " push r9\n"
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429 | " push r8\n"
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430 | " push rcx\n"
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431 | " push rdx\n"
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432 | " push r12\n"
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433 | " %%ifdef ASM_CALL64_GCC\n"
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434 | " push rsi\n"
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435 | " push rdi\n"
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436 | " mov r12, rsp\n"
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437 | " %%else\n"
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438 | " mov r12, rsp\n"
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439 | " sub rsp, 20h\n"
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440 | " %%endif\n"
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441 | " and rsp, 0fffffff0h ; Try make sure the stack is aligned\n"
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442 | "\n"
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443 | " call NAME(LazyLoading) ; returns handle in rcx\n"
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444 | " %%ifdef ASM_CALL64_GCC\n"
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445 | " mov rdi, rcx ; hLdrMod\n"
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446 | " mov rsi, r15 ; pszSymbol\n"
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447 | " mov rdx, r14 ; ppvValue\n"
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448 | " %%else\n"
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449 | " mov rdx, r15 ; pszSymbol\n"
|
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450 | " mov r8, r14 ; ppvValue\n"
|
---|
451 | " %%endif\n"
|
---|
452 | " call IMP2(RTLdrGetSymbol)\n"
|
---|
453 | " or eax, eax\n"
|
---|
454 | ".badsym:\n"
|
---|
455 | " jz .symok\n"
|
---|
456 | " int3\n"
|
---|
457 | " jmp .badsym\n"
|
---|
458 | ".symok:\n"
|
---|
459 | "\n"
|
---|
460 | " mov rsp, r12\n"
|
---|
461 | " %%ifdef ASM_CALL64_GCC\n"
|
---|
462 | " pop rdi\n"
|
---|
463 | " pop rsi\n"
|
---|
464 | " %%endif\n"
|
---|
465 | " pop r12\n"
|
---|
466 | " pop rdx\n"
|
---|
467 | " pop rcx\n"
|
---|
468 | " pop r8\n"
|
---|
469 | " pop r9\n"
|
---|
470 | " pop r14\n"
|
---|
471 | " pop r15\n"
|
---|
472 | " leave\n"
|
---|
473 | "\n"
|
---|
474 | "%%elifdef RT_ARCH_X86\n"
|
---|
475 | " push ebp\n"
|
---|
476 | " mov ebp, esp\n"
|
---|
477 | " push eax\n"
|
---|
478 | " push ecx\n"
|
---|
479 | " push edx\n"
|
---|
480 | " and esp, 0fffffff0h\n"
|
---|
481 | "\n"
|
---|
482 | ".loaded:\n"
|
---|
483 | " mov eax, [ebp + 4] ; value addr\n"
|
---|
484 | " push eax\n"
|
---|
485 | " mov edx, [ebp + 8] ; symbol name\n"
|
---|
486 | " push edx\n"
|
---|
487 | " call NAME(LazyLoading) ; returns handle in ecx\n"
|
---|
488 | " mov ecx, [g_hMod]\n"
|
---|
489 | " call IMP2(RTLdrGetSymbol)\n"
|
---|
490 | " or eax, eax\n"
|
---|
491 | ".badsym:\n"
|
---|
492 | " jz .symok\n"
|
---|
493 | " int3\n"
|
---|
494 | " jmp .badsym\n"
|
---|
495 | ".symok:\n"
|
---|
496 | " lea esp, [ebp - 0ch]\n"
|
---|
497 | " pop edx\n"
|
---|
498 | " pop ecx\n"
|
---|
499 | " pop eax\n"
|
---|
500 | " leave\n"
|
---|
501 | "%%else\n"
|
---|
502 | " %%error \"Unsupported architecture\"\n"
|
---|
503 | "%%endif\n"
|
---|
504 | " ret\n"
|
---|
505 | "ENDPROC LazyLoadResolver\n"
|
---|
506 | );
|
---|
507 |
|
---|
508 | return RTEXITCODE_SUCCESS;
|
---|
509 | }
|
---|
510 |
|
---|
511 |
|
---|
512 | /**
|
---|
513 | * Generates the assembly source code, writing it to g_pszOutput.
|
---|
514 | *
|
---|
515 | * @returns RTEXITCODE_SUCCESS or RTEXITCODE_FAILURE, in the latter case full
|
---|
516 | * details has been displayed.
|
---|
517 | */
|
---|
518 | static RTEXITCODE generateOutput(void)
|
---|
519 | {
|
---|
520 | RTEXITCODE rcExit = RTEXITCODE_FAILURE;
|
---|
521 | FILE *pOutput = fopen(g_pszOutput, "w");
|
---|
522 | if (pOutput)
|
---|
523 | {
|
---|
524 | rcExit = generateOutputInner(pOutput);
|
---|
525 | if (fclose(pOutput))
|
---|
526 | {
|
---|
527 | fprintf(stderr, "error: Error closing '%s'.\n", g_pszOutput);
|
---|
528 | rcExit = RTEXITCODE_FAILURE;
|
---|
529 | }
|
---|
530 | }
|
---|
531 | else
|
---|
532 | fprintf(stderr, "error: Failed to open '%s' for writing.\n", g_pszOutput);
|
---|
533 | return rcExit;
|
---|
534 | }
|
---|
535 |
|
---|
536 |
|
---|
537 | /**
|
---|
538 | * Displays usage information.
|
---|
539 | *
|
---|
540 | * @returns RTEXITCODE_SUCCESS.
|
---|
541 | * @param pszArgv0 The argv[0] string.
|
---|
542 | */
|
---|
543 | static int usage(const char *pszArgv0)
|
---|
544 | {
|
---|
545 | printf("usage: %s --libary <loadname> --output <lazyload.asm> <input.def>\n"
|
---|
546 | "\n"
|
---|
547 | "Copyright (C) 2013 Oracle Corporation\n"
|
---|
548 | , pszArgv0);
|
---|
549 |
|
---|
550 | return RTEXITCODE_SUCCESS;
|
---|
551 | }
|
---|
552 |
|
---|
553 |
|
---|
554 | int main(int argc, char **argv)
|
---|
555 | {
|
---|
556 | /*
|
---|
557 | * Parse options.
|
---|
558 | */
|
---|
559 | for (int i = 1; i < argc; i++)
|
---|
560 | {
|
---|
561 | const char *psz = argv[i];
|
---|
562 | if (*psz == '-')
|
---|
563 | {
|
---|
564 | if (!strcmp(psz, "--output") || !strcmp(psz, "-o"))
|
---|
565 | {
|
---|
566 | if (++i >= argc)
|
---|
567 | {
|
---|
568 | fprintf(stderr, "syntax error: File name expected after '%s'.\n", psz);
|
---|
569 | return RTEXITCODE_SYNTAX;
|
---|
570 | }
|
---|
571 | g_pszOutput = argv[i];
|
---|
572 | }
|
---|
573 | else if (!strcmp(psz, "--library") || !strcmp(psz, "-l"))
|
---|
574 | {
|
---|
575 | if (++i >= argc)
|
---|
576 | {
|
---|
577 | fprintf(stderr, "syntax error: Library name expected after '%s'.\n", psz);
|
---|
578 | return RTEXITCODE_SYNTAX;
|
---|
579 | }
|
---|
580 | g_pszLibrary = argv[i];
|
---|
581 | }
|
---|
582 | /** @todo Support different load methods so this can be used on system libs and
|
---|
583 | * such if we like. */
|
---|
584 | else if ( !strcmp(psz, "--help")
|
---|
585 | || !strcmp(psz, "-help")
|
---|
586 | || !strcmp(psz, "-h")
|
---|
587 | || !strcmp(psz, "-?") )
|
---|
588 | return usage(argv[0]);
|
---|
589 | else if ( !strcmp(psz, "--version")
|
---|
590 | || !strcmp(psz, "-V"))
|
---|
591 | {
|
---|
592 | printf("$Revision: 47685 $\n");
|
---|
593 | return RTEXITCODE_SUCCESS;
|
---|
594 | }
|
---|
595 | else
|
---|
596 | {
|
---|
597 | fprintf(stderr, "syntax error: Unknown option '%s'.\n", psz);
|
---|
598 | return RTEXITCODE_SYNTAX;
|
---|
599 | }
|
---|
600 | }
|
---|
601 | else
|
---|
602 | {
|
---|
603 | if (g_pszInput)
|
---|
604 | {
|
---|
605 | fprintf(stderr, "syntax error: Already specified '%s' as the input file.\n", g_pszInput);
|
---|
606 | return RTEXITCODE_SYNTAX;
|
---|
607 | }
|
---|
608 | g_pszInput = argv[i];
|
---|
609 | }
|
---|
610 | }
|
---|
611 | if (!g_pszInput)
|
---|
612 | {
|
---|
613 | fprintf(stderr, "syntax error: No input file specified.\n");
|
---|
614 | return RTEXITCODE_SYNTAX;
|
---|
615 | }
|
---|
616 | if (!g_pszOutput)
|
---|
617 | {
|
---|
618 | fprintf(stderr, "syntax error: No output file specified.\n");
|
---|
619 | return RTEXITCODE_SYNTAX;
|
---|
620 | }
|
---|
621 | if (!g_pszLibrary)
|
---|
622 | {
|
---|
623 | fprintf(stderr, "syntax error: No library name specified.\n");
|
---|
624 | return RTEXITCODE_SYNTAX;
|
---|
625 | }
|
---|
626 |
|
---|
627 | /*
|
---|
628 | * Do the job.
|
---|
629 | */
|
---|
630 | RTEXITCODE rcExit = parseInput();
|
---|
631 | if (rcExit == RTEXITCODE_SUCCESS)
|
---|
632 | rcExit = generateOutput();
|
---|
633 | return rcExit;
|
---|
634 | }
|
---|
635 |
|
---|