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>Using the command line</TITLE
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><A
NAME="USING-COMMANDLINE-TESTCASE">Using the command line</H1
><P
>Start a command shell (such as a Cygwin shell window in Windows)
with the environment variables set as described in the toolchain
documentation. Change to the directory in which you set up your build
tree, and invoke GDB on the test
program.</P
><P
>To run the bin_sem0 test (which will
test the kernel for the correct creation and destruction of binary
semaphores) type: </P
><TABLE
BORDER="5"
BGCOLOR="#E0E0F0"
WIDTH="70%"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>$ <TT
CLASS="REPLACEABLE"
><I
>TARGET-</I
></TT
>gdb -nw install/tests/kernel/<TT
CLASS="REPLACEABLE"
><I
><version></I
></TT
>/tests/bin_sem0</PRE
></TD
></TR
></TABLE
><P
>You should see output similar to the following in the command
window:</P
><TABLE
BORDER="5"
BGCOLOR="#E0E0F0"
WIDTH="70%"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>GNU gdb THIS-GDB-VERSION
Copyright 2001 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB. Type "show warranty" for details.
This GDB was configured as "--host=THIS-HOST --target=THIS-TARGET".
(gdb)</PRE
></TD
></TR
></TABLE
><P
>If you are trying to run a synthetic target test on Linux, skip the following connection and download
steps. Otherwise, connect to the target by typing: </P
><TABLE
BORDER="5"
BGCOLOR="#E0E0F0"
WIDTH="70%"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>(gdb) set remotebaud 38400
(gdb) target remote /dev/ttyS0</PRE
></TD
></TR
></TABLE
><P
>on Linux or</P
><TABLE
BORDER="5"
BGCOLOR="#E0E0F0"
WIDTH="70%"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>(gdb) set remotebaud 38400
(gdb) target remote com1</PRE
></TD
></TR
></TABLE
><P
>on Windows or</P
><TABLE
BORDER="5"
BGCOLOR="#E0E0F0"
WIDTH="70%"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>(gdb) target sim</PRE
></TD
></TR
></TABLE
><P
>to use a simulator in either host O/S.</P
><P
>Check the documentation for the target board for the actual baud rate
to use when connecting to real targets.</P
><P
>You will see output similar to the following: </P
><TABLE
BORDER="5"
BGCOLOR="#E0E0F0"
WIDTH="70%"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>Remote debugging using /dev/ttyS1
0x0000d50c in ?? ()
at <TT
CLASS="REPLACEABLE"
><I
>BASE_DIR</I
></TT
>/kernel/<TT
CLASS="REPLACEABLE"
><I
><version></I
></TT
>/src/common/kapi.cxx:345
Current language: auto; currently c++
(gdb) </PRE
></TD
></TR
></TABLE
><P
>Or if you are using the simulator:</P
><TABLE
BORDER="5"
BGCOLOR="#E0E0F0"
WIDTH="70%"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>Connected to the simulator.
(gdb)</PRE
></TD
></TR
></TABLE
><P
>Now download the program to the target with</P
><TABLE
BORDER="5"
BGCOLOR="#E0E0F0"
WIDTH="70%"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>(gdb) load</PRE
></TD
></TR
></TABLE
><P
>You should see output similar to the following on your screen: </P
><TABLE
BORDER="5"
BGCOLOR="#E0E0F0"
WIDTH="70%"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>Loading section .text, size 0x4b04 lma 0x108000
Loading section .rodata, size 0x738 lma 0x10cb08
Loading section .data, size 0x1c0 lma 0x10d240
Start address 0x108000, load size 21500
Transfer rate: 24571 bits/sec, 311 bytes/write.
(gdb)</PRE
></TD
></TR
></TABLE
><P
>You are now ready to run your program. If you type: </P
><TABLE
BORDER="5"
BGCOLOR="#E0E0F0"
WIDTH="70%"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>(gdb) continue</PRE
></TD
></TR
></TABLE
><P
>you will see output similar to the following: </P
><TABLE
BORDER="5"
BGCOLOR="#E0E0F0"
WIDTH="70%"
><TR
><TD
><PRE
CLASS="PROGRAMLISTING"
>Continuing.
PASS:<Binary Semaphore 0 OK>
EXIT:<done></PRE
></TD
></TR
></TABLE
><DIV
CLASS="NOTE"
><BLOCKQUOTE
CLASS="NOTE"
><P
><B
>Note: </B
> If you are using a simulator or the synthetic target rather
than real hardware, you must use the GDB command
“run” rather than “continue” to
start your program.</P
></BLOCKQUOTE
></DIV
><P
>You can terminate your GDB session with
<SPAN
CLASS="emphasis"
><I
CLASS="EMPHASIS"
>Control+C</I
></SPAN
>, otherwise it will sit in the
“idle” thread and use up CPU time. This is not a problem
with real targets, but may have undesirable effects in simulated or
synthetic targets. Type <B
CLASS="COMMAND"
>quit</B
> and you are
done. </P
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