Patch from Emmanuel Raguet <raguet@crf.canon.fr> to add remote debug server

and RPC support to RTEMS.  Thanks. :)  Email follows:

    Hello,

    For Xmas, here is the Remote Debugger on RTEMS !

    Here are 2 patches for the Remote Debugger on RTEMS for pc386 from Linux
    host :

     - one for RTEMS it self,
     - one for GDB-4.17.


    1/ RTEMS patch
    --------------

    This patch adds 2 libraries :
     - a simplified SUN RPC library
     - the Remote Debugger library

    The configuration command is the following :
    ../rtems4/configure --target=i386-rtemself --enable-rtemsbsp=pc386
    --enable-rdbg

    The SUN RPC library is built only if networking is set.
    The RDBG library is built if networking and enable-rdbg are set.

    The function used to initialize the debugger is :
            rtems_rdbg_initialize ();

    A special function has been created to force a task to be
    in a "debug" state : enterRdbg().
    The use of this function is not mandatory.



    2/ GDB-4.17 patch
    -----------------

    This patch create a new RTEMS target for GDB-4.17.

    The configuration command is the following :
    ./configure --enable-shared --target=i386RTEMS

    To connect to a target, use :
      target rtems [your_site_address]

    Then, attach the target using : attach 1

    And... Debug ;)

    You can obtain the original GDB-4.17 on
    ftp://ftp.debian.org/debian/dists/stable/main/source/devel/gdb_4.17.orig.tar.gz

    This has been tested from a Debian 2.0.1 linux host.

1 files changed, 65 insertions, 0 deletions

diff --git a/c/src/librdbg/src/awk.svc b/c/src/librdbg/src/awk.svc
new file mode 100644
index 0000000000..79e24a9d90
--- /dev/null
+++ b/c/src/librdbg/src/awk.svc
@@ -0,0 +1,65 @@
+#########################################################################
+#
+#  Component:	RDBG
+#  Module:	awk.svc
+#
+#  Synopsis:	AWK script which transforms the server skeleton produced
+#		by rpcgen(1) into something suitable for RDB servers.
+#
+#########################################################################
+
+BEGIN {
+    headerstarted = 0
+    withinproc = 0
+    brack = 0
+}
+
+$1 ~ /^\/\*HEADER_START\*\/$/ {
+    headerstarted = 1
+    printf("#include <rpc/types.h>\n");
+    printf("#include <rpc/rpc.h>\n");
+    printf("#include <stdio.h>\n");
+    printf("#include <stdlib.h>\n");
+    printf("#include <string.h>\n");
+    printf("#include <bsp.h>\n");
+    printf("#include <rdbg/servrpc.h>\n");
+    printf("#include <rdbg/%s>\n", THEPROG);
+    printf("#define fprintf(a,b) printf(b)\n");
+    printf("#define msgout(a) printf(a)\n")
+    printf("#define _msgout(a) fprintf(stderr,a)\n");
+}
+
+$1 ~ /^\/\*HEADER_END\*\/$/ {
+    headerstarted = 0
+}
+
+{
+    if (headerstarted == 1) {
+	print $0
+    } else if ($1 ~ /.*_2.*/) {
+	withinproc = 1
+	printf("void\n");
+	print $0
+    } else if (withinproc == 1) {
+	if ($1 == "switch") {
+	    print "\tDPRINTF ((\"remotedeb_2: %s (%d)\\n\", "
+	    print "\t\t(unsigned) rqstp->rq_proc < "
+	    print "\t\t(unsigned) (sizeof names / sizeof names[0]) ?"
+	    print "\t\tnames [rqstp->rq_proc] : \"???\", "
+	    print "\t\t(int) rqstp->rq_proc));\n"
+	}
+	for (i = 1; i <= NF; i++) {
+	    if ($i == "{") {
+		brack++;
+	    } else if ($i == "}") {
+		brack--;
+		if (brack == 0) {
+		    withinproc = 0;
+		}
+	    }
+        }
+	if ($1 != "_rpcsvcdirty" ) {
+	    print $0
+        }
+    }
+}