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182 lines
6.1 KiB
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<TITLE>2.3 Testing out the SDCC Compiler</TITLE>
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HREF="node14.html">2.4 Install Trouble-shooting</A>
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HREF="node10.html">2. Installation</A>
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HREF="node12.html">2.2 Windows Installation</A>
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  <B> <A NAME="tex2html395"
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<H2><A NAME="SECTION00033000000000000000">
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2.3 Testing out the SDCC Compiler</A>
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</H2>
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<P>
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The first thing you should do after installing your SDCC compiler
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is to see if it runs. Type <I><B>"sdcc -version"</B></I>
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at the prompt, and the program should run and tell you the version.
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If it doesn't run, or gives a message about not finding sdcc program,
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then you need to check over your installation. Make sure that the
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sdcc bin directory is in your executable search path defined by the
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PATH environment setting (see the Trouble-shooting section for suggestions).
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Make sure that the sdcc program is in the bin folder, if not perhaps
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something did not install correctly.
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<BR>
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<BR>
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SDCC binaries are commonly installed in a directory arrangement like
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this:
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<BR>
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<BR>
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<TABLE CELLPADDING=3 BORDER="1">
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<TR><TD ALIGN="LEFT">/usr/local/bin</TD>
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<TD ALIGN="LEFT">Holds executables(sdcc, s51, aslink, ...)</TD>
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</TR>
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<TR><TD ALIGN="LEFT">/usr/local/share/sdcc/lib</TD>
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<TD ALIGN="LEFT">Holds common C libraries</TD>
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</TR>
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<TR><TD ALIGN="LEFT">/usr/local/share/sdcc/include</TD>
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<TD ALIGN="LEFT">Holds common C header files</TD>
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</TR>
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</TABLE>
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<BR>
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<BR>
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Make sure the compiler works on a very simple example. Type in the
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following test.c program using your favorite editor:
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<BR>
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<BR>
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<TT>int test(int t) {</TT>
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<BR>
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<TT> return t+3;</TT>
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<BR>
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<TT>}</TT>
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<BR>
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<BR>
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Compile this using the following command: <I><B>"sdcc
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-c test.c".</B></I> If all goes well, the compiler will generate
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a test.asm and test.rel file. Congratulations, you've just compiled
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your first program with SDCC. We used the -c option to tell SDCC not
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to link the generated code, just to keep things simple for this step.
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<BR>
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<BR>
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The next step is to try it with the linker. Type in <I><B>"sdcc
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test.c</B></I>". If all goes well the compiler will link with the
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libraries and produce a test.ihx output file. If this step fails (no
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test.ihx, and the linker generates warnings), then the problem is
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most likely that sdcc cannot find the /usr/local/share/sdcc/lib directory
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(see the Install trouble-shooting section for suggestions).
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<BR>
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<BR>
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The final test is to ensure sdcc can use the standard header files
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and libraries. Edit test.c and change it to the following:
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<BR>
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<BR>
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#include <string.h>
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<BR>
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main() {
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<BR>
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<TT>char str1[10];</TT>
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<BR>
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<TT> strcpy(str1, "testing");</TT>
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<BR>
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<TT>}</TT>
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<BR>
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<BR>
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Compile this by typing <I><B>"sdcc test.c"</B></I>.
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This should generate a test.ihx output file, and it should give no
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warnings such as not finding the string.h file. If it cannot find
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the string.h file, then the problem is that sdcc cannot find the /usr/local/share/sdcc/include
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directory (see the Install trouble-shooting section for suggestions).
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<P>
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<B> Next:</B> <A NAME="tex2html399"
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HREF="node14.html">2.4 Install Trouble-shooting</A>
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<B> Up:</B> <A NAME="tex2html393"
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HREF="node10.html">2. Installation</A>
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<B> Previous:</B> <A NAME="tex2html387"
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HREF="node12.html">2.2 Windows Installation</A>
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  <B> <A NAME="tex2html395"
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HREF="node1.html">Contents</A></B>
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  <B> <A NAME="tex2html397"
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HREF="node61.html">Index</A></B>
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<ADDRESS>
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<I>Johan Knol</I>
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<BR><I>2001-07-13</I>
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