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Add support for 6800 compatibility instructions. The occasional program uses the 6800 compatibility instructions since they are actually specified by Motorola in at least some documentation. They advertised the 6809 as source compatible with the 6800. This mode is not enabled by default, however. It is my belief that receiving an error when using a non-6809 instruction is more useful since it is unlikely that much 6800 source code is being assembled for the 6809 these days. Nevertheless, the --6809compat option is present for just those purposes so one does not have to resort to using macros (which would work equally well in most cases).
author William Astle <lost@l-w.ca>
date Tue, 15 Apr 2014 10:57:34 -0600
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1 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN""http://www.w3.org/TR/html4/loose.dtd">
2 <HTML
3 ><HEAD
4 ><TITLE
5 >LWLINK</TITLE
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68 ><DIV
69 CLASS="CHAPTER"
70 ><H1
71 ><A
72 NAME="AEN727"
73 ></A
74 >Chapter 4. LWLINK</H1
75 ><P
76 >The LWTOOLS linker is called LWLINK. This chapter documents the various features
77 of the linker.</P
78 ><DIV
79 CLASS="SECTION"
80 ><H1
81 CLASS="SECTION"
82 ><A
83 NAME="AEN730"
84 >4.1. Command Line Options</A
85 ></H1
86 ><P
87 >The binary for LWLINK is called "lwlink". Note that the binary is in lower
88 case. lwlink takes the following command line arguments.</P
89 ><P
90 ></P
91 ><DIV
92 CLASS="VARIABLELIST"
93 ><DL
94 ><DT
95 ><CODE
96 CLASS="OPTION"
97 >--decb</CODE
98 >, <CODE
99 CLASS="OPTION"
100 >-b</CODE
101 ></DT
102 ><DD
103 ><P
104 >Selects the DECB output format target. This is equivalent to <CODE
105 CLASS="OPTION"
106 >--format=decb</CODE
107 ></P
108 ></DD
109 ><DT
110 ><CODE
111 CLASS="OPTION"
112 >--output=FILE</CODE
113 >, <CODE
114 CLASS="OPTION"
115 >-o FILE</CODE
116 ></DT
117 ><DD
118 ><P
119 >This option specifies the name of the output file. If not specified, the
120 default is <CODE
121 CLASS="OPTION"
122 >a.out</CODE
123 >.</P
124 ></DD
125 ><DT
126 ><CODE
127 CLASS="OPTION"
128 >--format=TYPE</CODE
129 >, <CODE
130 CLASS="OPTION"
131 >-f TYPE</CODE
132 ></DT
133 ><DD
134 ><P
135 >This option specifies the output format. Valid values are <CODE
136 CLASS="OPTION"
137 >decb</CODE
138 >
139 and <CODE
140 CLASS="OPTION"
141 >raw</CODE
142 ></P
143 ></DD
144 ><DT
145 ><CODE
146 CLASS="OPTION"
147 >--raw</CODE
148 >, <CODE
149 CLASS="OPTION"
150 >-r</CODE
151 ></DT
152 ><DD
153 ><P
154 >This option specifies the raw output format.
155 It is equivalent to <CODE
156 CLASS="OPTION"
157 >--format=raw</CODE
158 >
159 and <CODE
160 CLASS="OPTION"
161 >-f raw</CODE
162 ></P
163 ></DD
164 ><DT
165 ><CODE
166 CLASS="OPTION"
167 >--script=FILE</CODE
168 >, <CODE
169 CLASS="OPTION"
170 >-s</CODE
171 ></DT
172 ><DD
173 ><P
174 >This option allows specifying a linking script to override the linker's
175 built in defaults.</P
176 ></DD
177 ><DT
178 ><CODE
179 CLASS="OPTION"
180 >--section-base=SECT=BASE</CODE
181 ></DT
182 ><DD
183 ><P
184 >Cause section SECT to load at base address BASE. This will be prepended
185 to the built-in link script. It is ignored if a link script is provided.</P
186 ></DD
187 ><DT
188 ><CODE
189 CLASS="OPTION"
190 >--map=FILE</CODE
191 >, <CODE
192 CLASS="OPTION"
193 >-m FILE</CODE
194 ></DT
195 ><DD
196 ><P
197 >This will output a description of the link result to FILE.</P
198 ></DD
199 ><DT
200 ><CODE
201 CLASS="OPTION"
202 >--library=LIBSPEC</CODE
203 >, <CODE
204 CLASS="OPTION"
205 >-l LIBSPEC</CODE
206 ></DT
207 ><DD
208 ><P
209 >Load a library using the library search path. LIBSPEC will have "lib" prepended
210 and ".a" appended.</P
211 ></DD
212 ><DT
213 ><CODE
214 CLASS="OPTION"
215 >--library-path=DIR</CODE
216 >, <CODE
217 CLASS="OPTION"
218 >-L DIR</CODE
219 ></DT
220 ><DD
221 ><P
222 >Add DIR to the library search path.</P
223 ></DD
224 ><DT
225 ><CODE
226 CLASS="OPTION"
227 >--debug</CODE
228 >, <CODE
229 CLASS="OPTION"
230 >-d</CODE
231 ></DT
232 ><DD
233 ><P
234 >This option increases the debugging level. It is only useful for LWTOOLS
235 developers.</P
236 ></DD
237 ><DT
238 ><CODE
239 CLASS="OPTION"
240 >--help</CODE
241 >, <CODE
242 CLASS="OPTION"
243 >-?</CODE
244 ></DT
245 ><DD
246 ><P
247 >This provides a listing of command line options and a brief description
248 of each.</P
249 ></DD
250 ><DT
251 ><CODE
252 CLASS="OPTION"
253 >--usage</CODE
254 ></DT
255 ><DD
256 ><P
257 >This will display a usage summary
258 of each command line option.</P
259 ></DD
260 ><DT
261 ><CODE
262 CLASS="OPTION"
263 >--version</CODE
264 >, <CODE
265 CLASS="OPTION"
266 >-V</CODE
267 ></DT
268 ><DD
269 ><P
270 >This will display the version of LWLINK.</P
271 ></DD
272 ></DL
273 ></DIV
274 ></DIV
275 ></DIV
276 ><DIV
277 CLASS="NAVFOOTER"
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279 ALIGN="LEFT"
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