From: hachti <hachti>
Date: Mon, 26 Mar 2007 00:44:16 +0000 (+0000)
Subject: *** empty log message ***
X-Git-Url: http://gitweb.hachti.de/?p=h316.git;a=commitdiff_plain;h=de6b6757167b76f4c363177d66f3ac4502811b42

*** empty log message ***
---

diff --git a/pc-tools/ldc2/data/test1.asm b/pc-tools/ldc2/data/test1.asm
index 436472a..76351a7 100644
--- a/pc-tools/ldc2/data/test1.asm
+++ b/pc-tools/ldc2/data/test1.asm
@@ -1,11 +1,13 @@
 	SUBR	SONNE,SUN
 	SUBR	BLUME,BLU
+	SUBR	ABCDEF,AFFE
 	REL
 	ORG	'1000
 	ICA
 	ICA
 BLU	LDA	0
 SUN	LDA	1
+AFFE	CRA
 	END
 
 	
\ No newline at end of file
diff --git a/pc-tools/ldc2/data/test1.obj b/pc-tools/ldc2/data/test1.obj
index b0275b5..b3e6142 100644
Binary files a/pc-tools/ldc2/data/test1.obj and b/pc-tools/ldc2/data/test1.obj differ
diff --git a/pc-tools/ldc2/doc/req_spec.tex b/pc-tools/ldc2/doc/req_spec.tex
index fb2cf5c..e81c23d 100644
--- a/pc-tools/ldc2/doc/req_spec.tex
+++ b/pc-tools/ldc2/doc/req_spec.tex
@@ -5,7 +5,7 @@
 \item The program shall run on any computer running GNU/Linux.
 \item It has no graphical user interface but a help option and command line error reporting.
 \item The program shall support and check all block types according to \cite{ser16:progref:bformats}.
-\item The Program must be able to list a tape image's contents.
+\item The program must be able to list a tape image's contents.
 \item The program shall be capable of splitting tape images into single object files.
 \item The program's structure must be modular and easily extendable.
 \end{itemize}
@@ -14,7 +14,7 @@
 \begin{itemize}
 \item Possibility to split a tape image into single data block files.
 \item Software handshake paper tape reader control:\\
-A paper paper tape reader connected to the computer's serial port could be motion-controlled
+A paper tape reader connected to the computer's serial port could be motion-controlled
 by use of XON and XOFF characters. This is useful when error breaks for tape inspection are
 enabled and the paper tape device does not support RTS/CTS hardware handshake.
 \item Full POSIX.1, 2004 edition, compliance.\\
@@ -78,12 +78,6 @@ found in \cite{ser16:progref:bformats}.
 	an end of tape mark is an appropriate end block.
 }
 
-\rd{chk005}{Interactive checksum error handling}{
-	The program shall be configurable to pause block processing on
-	detection of a checksum error (\req{chk002}) and resume processing after
-	user intervention.\\
-	This feature is incompatible with data input from standard input.
-}
 
 %*******************************************************************************
 \subsection{Additional features}
@@ -101,6 +95,24 @@ found in \cite{ser16:progref:bformats}.
 	of all blocks contained in the input data.\\
 	The output line format shall be unified for all block types.
 }
+\vspace{0.5em}
+\par
+Here is an example output for the object \verb|O$PB|: \begin{verbatim}
+O$PB       (0-0)     Subprogram Name
+O$PS       (0-0)         "        "
+O$PLDR     (0-0)         "        "
+           (0-24)    Switch to relocatable mode
+           (0-4)     Data
+           (0-4)     Data
+O$PB       (0-50)    Subprogram Entry Point Definition
+           (0-4)     Data
+           (0-4)     Data
+           (0-4)     Data
+O$PLDR     (0-50)    Subprogram Entry Point Definition
+           (0-4)     Data
+           (0-4)     Data
+           (0-14)    End
+\end{verbatim}
 
 \rd{da002}{List exported symbols}{
 	Output a list of all exported symbols.
@@ -148,6 +160,10 @@ found in \cite{ser16:progref:bformats}.
 	a zero-padded three digit number and EOT blocks are not suppressed.
 }
 
+\rd{dp003}{Split into numbered blocks}{
+	The whole tape is split into one named and numbered file for each block.
+}
+
 
 %*******************************************************************************
 \newpage
@@ -165,11 +181,15 @@ found in \cite{ser16:progref:bformats}.
 }
 
 \rd{err001}{Error types}{
+	The program shall react to several error conditions. Some error
+	conditions can be turned into warnings by program configuration,
+	see \req{cfg003} and \req{cfg004} for details.\\
 	The following distinguished error types shall exist:
 	\begin{itemize}
 	\item Input/output error:\\ 
-		Error occuring during reading from the input file descriptor
-		or during writing to an output file.\\
+		Error occuring during read from the input file descriptor
+		or during write to an output file.\\
+		No recovery from this error is possible.
 		\enosup
 	\item Block integrity error:\\
 		Caused by failed check according to \req{chk001}.\\
@@ -196,7 +216,11 @@ found in \cite{ser16:progref:bformats}.
 }
 
 \rd{err002}{Program exit codes}{
-	\begin{table}[H]
+	The application shall return several different exir codes to the
+	execution environment (i.e. the shell). On occurrence of any error,
+	the program shall terminate with the appropriate exit code.\\
+	Program runs with warnings shall return a special exit code.
+	\begin{table}[H] 
 	\begin{center}
 	\begin{tabular}{|r|c|}
 		\hline
@@ -210,6 +234,7 @@ found in \cite{ser16:progref:bformats}.
 		Unknown block type error & 5\\
 		Object integrity error & 6\\
 		Usage error & 7\\
+                Success with warnings & 99 \\
 		Internal program error & 100 \\
 		\hline 
 	\end{tabular}
@@ -219,6 +244,8 @@ found in \cite{ser16:progref:bformats}.
 }
 
 \rd{err003}{Error and warning messages}{
+	Every warning or error case shall cause an appropriate error respective 
+	warning message.\\
 	Error messages shall consinst of ''Error:'' and the error reason.\\
 	Warning messages shall consist of ''Warning:'' and a descriptive 
 	text.\\
@@ -316,12 +343,14 @@ found in \cite{ser16:progref:bformats}.
 						(\req{dp001}).\\
 	split\_objects\_numbered   & S & Split into numbered object files 
 						(\req{dp002}).\\
+	split\_blocks               & B & Split tape into named and numbered block 
+                                                files (\req{dp003}).\\
 	ignore\_block\_errors      & b & Ignore block integrity errors 
 						(\req{err001},\req{chk001}).\\
 	ignore\_checksum\_errors   & k & Ignore Checksum errors 
 						(\req{err001}\req{chk002}).\\
-	pause\_on\_checksum\_error & p & Wait for user input on checksum error 
-						(\req{chk005}).\\
+%	pause\_on\_checksum\_error & p & Wait for user input on checksum error 
+%						(\req{chk005}).\\
 	ignore\_unknown\_block\_errors    & n  & Ignore errors causes by 
 						datablocks of 	unknown type
 						 (\req{err001}\req{chk003}).\\
@@ -355,6 +384,9 @@ found in \cite{ser16:progref:bformats}.
 \rd{cfg005}{Configuration file syntax}{
 	The configuration file must comply two the following grammar, given in EBNF:
 }
+
+%                   | "pause_on_checksum_error"
+
 	\begin{verbatim}
 ConfigurationFile = { ConfigurationLine "<EOL>" } ;
 ConfigurationLine = SwitchLine | StringLine | CommentLine ;
@@ -363,9 +395,9 @@ ConfigurationLine = SwitchLine | StringLine | CommentLine ;
       CommentLine = WSpace [ "#" String ] ;
            WSpace = { " " } ;
            SwLong = "output_info" | "ouput_called" | "output_exported"
-                    | "output_unsatisfied" | "split_objects" [ _"numbered" ]
+                    | "output_unsatisfied" | "split_objects" [ "_numbered" ]
+                    | "split_blocks"
                     | "ignore_block_errors" | "ignore_checksum_errors
-                    | "pause_on_checksum_error"
                     | "ignore_unknown_block_errors"
                     | "ignore_object_integrity"
                     | "quiet" ;
@@ -373,7 +405,7 @@ ConfigurationLine = SwitchLine | StringLine | CommentLine ;
         BoolValue = TrueStr | FalseStr ;
            String = { ? Every character except newline ?} ;
           TrueStr = "yes" | "1" | "true" ;
-         FalseStr = | "no" | "0" | "false" ;
+         FalseStr = "no" | "0" | "false" ;
 	\end{verbatim}
 
 \rd{cfg006}{Command Line syntax}{
@@ -392,27 +424,31 @@ ShortSwitch = "-" SwShort ;
  LongSwitch = "--" SwLong [ "=" BoolValue ] ;
  ShortParam = "-" StrShort String ;
   LongParam = "--" StrLong "=" String ;
-    SwShort = "h" | "a" | "c" | "e" | "u" | "s" | "S"
+    SwShort = "h" | "a" | "c" | "e" | "u" | "s" | "S" | "B"
               | "b" | "k" | "p" | "n" | "g" | "q";
      SwLong = "help"
               | "output_info" | "ouput_called" | "output_exported"
-              | "output_unsatisfied" | "split_objects" [ _"numbered" ]
+              | "output_unsatisfied" | "split_objects" [ "_numbered" ]
               | "ignore_block_errors" | "ignore_checksum_errors"
-              | "pause_on_checksum_error"
               | "ignore_unknown_block_errors"
               | "ignore_object_integrity" 
               | "quiet" ;
    StrShort = "o" ;
     StrLong = "out_file" ;
 \end{verbatim}
+	Some command line examples:\\
+	\verb|ldc2 -ve --output-file=out.dat in.dat|\\
+	\verb|ldc2 -kb test.obj|\\
+
+%             | "pause_on_checksum_error"
 
 \newpage
 \rd{cfg007}{Configuration implications}{
 	\begin{itemize}
-	\item \emph{pause\_on\_checksum\_errors} implies \emph{ignore\_checksum\_errors}.
-	\item \emph{pause\_on\_checksum\_errors} is completely ignored when input 
-	is read from standard input.
-	\item \emph{output\_*} and \emph{split\_*} inhibit 
+%	\item \emph{pause\_on\_checksum\_error} implies \emph{ignore\_checksum\_errors}.
+%	\item \emph{pause\_on\_checksum\_error} is completely ignored when input 
+%	is read from standard input.
+	\item \emph{output\_*} inhibit 
 	tape information output (\req{da001}).
 	\item \emph{help} inhibits all other actions.
 	\end{itemize}
diff --git a/pc-tools/ldc2/src/config.cpp b/pc-tools/ldc2/src/config.cpp
index 1a10ac7..5cb7043 100644
--- a/pc-tools/ldc2/src/config.cpp
+++ b/pc-tools/ldc2/src/config.cpp
@@ -28,9 +28,10 @@ int cfg_output_exported=0;
 int cfg_output_unsatisfied=0;
 int cfg_split_objects=0;
 int cfg_split_objects_numbered=0;
+int cfg_split_blocks=0;
 int cfg_ignore_block_errors=0;
 int cfg_ignore_checksum_errors=0;
-int cfg_pause_on_checksum_error=0;
+//int cfg_pause_on_checksum_error=0;
 int cfg_ignore_unknown_block_errors=0;
 int cfg_ignore_object_integrity_errors=0;
 int cfg_list_contents=1;
@@ -40,7 +41,7 @@ int cfg_quiet=0;
 int cfg_version=0;
 
 int in_fd=0;  //! File descriptor for data input 
-int out_fd=2; //! File descriptor for text output
+int out_fd=1; //! File descriptor for text output
 
 void do_config(int argc, char ** args){
 
@@ -68,14 +69,18 @@ void do_config(int argc, char ** args){
 		       "List all unsatisfied symbols.",
 		       &cfg_output_unsatisfied,true,true);
 
-  ar.add_option_switch("S","split_objects_numbered",
-		       "Split input data into distinct numbered files",
-		       &cfg_split_objects_numbered,true,true);
-
   ar.add_option_switch("s","split_objects",
 		       "Split input data into distinct object files.",
 		       &cfg_split_objects,true,true);
   
+  ar.add_option_switch("S","split_objects_numbered",
+		       "Split input data into distinct numbered files",
+		       &cfg_split_objects_numbered,true,true);
+
+  ar.add_option_switch("B","split_blocks",
+		       "Split tape into named and numbered block files",
+		       &cfg_split_blocks,true,true);
+
   ar.add_option_switch("b","ignore_block_errors",
 		       "Ignore block integrity errors. This will output broken blocks,too",
 		       &cfg_ignore_block_errors,true,true);
@@ -84,9 +89,9 @@ void do_config(int argc, char ** args){
 		       "Ignore block checksum errors. Errors will be converted to warnings.",
 		       &cfg_ignore_checksum_errors,true,true);
 
-  ar.add_option_switch("p","pause_on_checksum_error",
-		       "Wait for user input on checksum error.",
-		       &cfg_pause_on_checksum_error,true,true);
+//   ar.add_option_switch("p","pause_on_checksum_error",
+// 		       "Wait for user input on checksum error.",
+// 		       &cfg_pause_on_checksum_error,true,true);
   
   ar.add_option_switch("n","ignore_unknown_block_errors",
 		       "Ignore errors caused by unknown block types. Errors will be converted to warnings.",
@@ -196,13 +201,11 @@ Errors will be converted to warnings.",
   if (cfg_verbose)cfg_quiet=0;
 
   // The configuration implications according to /cfg007/
-  if (in_fd==0) cfg_pause_on_checksum_error=0;
-  if (cfg_pause_on_checksum_error==1) cfg_ignore_checksum_errors=1;
+  //  if (in_fd==0) cfg_pause_on_checksum_error=0;
+  // if (cfg_pause_on_checksum_error==1) cfg_ignore_checksum_errors=1;
 
   if (cfg_output_info||cfg_output_called||cfg_output_exported||
-      cfg_output_unsatisfied||
-      cfg_split_objects||cfg_split_objects_numbered)
-    cfg_list_contents=0;
+      cfg_output_unsatisfied) cfg_list_contents=0;
 }
 
 
diff --git a/pc-tools/ldc2/src/config.hh b/pc-tools/ldc2/src/config.hh
index 09d056e..6dbd99f 100644
--- a/pc-tools/ldc2/src/config.hh
+++ b/pc-tools/ldc2/src/config.hh
@@ -19,6 +19,7 @@ extern int cfg_output_exported;
 extern int cfg_output_unsatisfied;
 extern int cfg_split_objects;
 extern int cfg_split_objects_numbered;
+extern int cfg_split_blocks;
 extern int cfg_ignore_block_errors;
 extern int cfg_ignore_checksum_errors;
 extern int cfg_pause_on_checksum_error;
diff --git a/pc-tools/ldc2/src/data_block.cpp b/pc-tools/ldc2/src/data_block.cpp
index c836585..6ebee44 100644
--- a/pc-tools/ldc2/src/data_block.cpp
+++ b/pc-tools/ldc2/src/data_block.cpp
@@ -77,3 +77,4 @@ string data_block::extract_label(int firstbyte){
 
 
 
+
diff --git a/pc-tools/ldc2/src/data_block_0_0.cpp b/pc-tools/ldc2/src/data_block_0_0.cpp
index 86113d9..e1a462f 100644
--- a/pc-tools/ldc2/src/data_block_0_0.cpp
+++ b/pc-tools/ldc2/src/data_block_0_0.cpp
@@ -38,4 +38,3 @@ vector<string> data_block_0_0::get_description(){
 vector<string> data_block_0_0::get_exported_symbols(){
   return get_labels();
 }
-
diff --git a/pc-tools/ldc2/src/data_block_0_3.cpp b/pc-tools/ldc2/src/data_block_0_3.cpp
index 3b8a074..b11dadf 100644
--- a/pc-tools/ldc2/src/data_block_0_3.cpp
+++ b/pc-tools/ldc2/src/data_block_0_3.cpp
@@ -22,3 +22,12 @@ vector<string> data_block_0_3::get_description(){
   return result;
 }
 
+/***************************************************************/
+/*!
+ *\brief Determine if the block marks the end of an object
+ *\return true because this block is an end block.
+ */
+bool data_block_0_3::is_endblock(){
+  return true;
+}
+
diff --git a/pc-tools/ldc2/src/data_block_0_3.hh b/pc-tools/ldc2/src/data_block_0_3.hh
index 70bf265..665033b 100644
--- a/pc-tools/ldc2/src/data_block_0_3.hh
+++ b/pc-tools/ldc2/src/data_block_0_3.hh
@@ -16,6 +16,7 @@ class data_block_0_3
 					      void(*)(void*),void*);
 public:
   vector<string> get_description();
+  bool is_endblock();
 
 protected:
   data_block_0_3(data_block_0&);
diff --git a/pc-tools/ldc2/src/data_block_0_label_extractor.cpp b/pc-tools/ldc2/src/data_block_0_label_extractor.cpp
index 537099c..d1b3d11 100644
--- a/pc-tools/ldc2/src/data_block_0_label_extractor.cpp
+++ b/pc-tools/ldc2/src/data_block_0_label_extractor.cpp
@@ -13,7 +13,9 @@ data_block_0_label_extractor::data_block_0_label_extractor(data_block_0& org)
 vector<string> data_block_0_label_extractor::get_labels(){
   int l_count=word_size/3-1;
   vector<string> result;
-  for (int l_no=0; l_no<l_count;l_no++)
-    result.insert(result.end(),extract_label(4+6*l_no));
+  for (int l_no=0; l_no<l_count;l_no++){
+    string r1=extract_label(4+6*l_no);
+    if (r1!="      ") result.insert(result.end(),r1);
+  }
   return result;
 }
diff --git a/pc-tools/ldc2/src/data_block_3.cpp b/pc-tools/ldc2/src/data_block_3.cpp
index 23dded9..d249f3e 100644
--- a/pc-tools/ldc2/src/data_block_3.cpp
+++ b/pc-tools/ldc2/src/data_block_3.cpp
@@ -20,15 +20,6 @@ vector<string> data_block_3::get_description(){
   return result;
 }
 
-/***************************************************************/
-/*!
- *\brief Determine if the block marks the end of an object
- *\return true because this block is an end block.
- */
-bool data_block_3::is_endblock(){
-  return true;
-}
-
 
 
 
diff --git a/pc-tools/ldc2/src/data_block_3.hh b/pc-tools/ldc2/src/data_block_3.hh
index c661231..7a5b902 100644
--- a/pc-tools/ldc2/src/data_block_3.hh
+++ b/pc-tools/ldc2/src/data_block_3.hh
@@ -19,7 +19,6 @@ protected:
 
 public:  
   vector<string> get_description();
-  bool is_endblock();
 };
 
 #endif
diff --git a/pc-tools/ldc2/src/data_block_4.cpp b/pc-tools/ldc2/src/data_block_4.cpp
index 3e11dcd..c258c26 100644
--- a/pc-tools/ldc2/src/data_block_4.cpp
+++ b/pc-tools/ldc2/src/data_block_4.cpp
@@ -20,15 +20,6 @@ vector<string> data_block_4::get_description(){
   return result;
 }
 
-/***************************************************************/
-/*!
- *\brief Determine if the block marks the end of an object
- *\return true because this block is an end block.
- */
-bool data_block_4::is_endblock(){
-  return true;
-}
-
 
 
 
diff --git a/pc-tools/ldc2/src/data_block_4.hh b/pc-tools/ldc2/src/data_block_4.hh
index f73f805..702f33d 100644
--- a/pc-tools/ldc2/src/data_block_4.hh
+++ b/pc-tools/ldc2/src/data_block_4.hh
@@ -19,7 +19,6 @@ protected:
 
 public:  
   vector<string> get_description();
-  bool is_endblock();
 };
 
 #endif
diff --git a/pc-tools/ldc2/src/data_block_6.cpp b/pc-tools/ldc2/src/data_block_6.cpp
index 58d3039..1a41f08 100644
--- a/pc-tools/ldc2/src/data_block_6.cpp
+++ b/pc-tools/ldc2/src/data_block_6.cpp
@@ -28,7 +28,8 @@ vector<string> data_block_6::get_description(){
  */
 vector<string> data_block_6::get_exported_symbols(){
   vector<string> result;
-  result.insert(result.end(),extract_label(3));
+  string rs=extract_label(3);
+  if (rs!="      ") result.insert(result.end(),rs);
   return result;
 }
 
diff --git a/pc-tools/ldc2/src/data_block_7.cpp b/pc-tools/ldc2/src/data_block_7.cpp
index 263cb93..121ed2d 100644
--- a/pc-tools/ldc2/src/data_block_7.cpp
+++ b/pc-tools/ldc2/src/data_block_7.cpp
@@ -1,3 +1,5 @@
+$Header: /var/lib/cvs/h316/pc-tools/ldc2/src/data_block_7.cpp,v 1.6 2007/03/26 00:45:12 hachti Exp $
+
 #include "data_block_7.hh"
 
 /*!
diff --git a/pc-tools/ldc2/src/main.cpp b/pc-tools/ldc2/src/main.cpp
index 34f2279..eafdf6a 100644
--- a/pc-tools/ldc2/src/main.cpp
+++ b/pc-tools/ldc2/src/main.cpp
@@ -1,5 +1,8 @@
 /* ldc2 preliminary main program */
 
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
 
 #include <vector>
 #include <string>
@@ -157,10 +160,15 @@ void read_tape(){
     
     if (error)   fprintf(stderr,message.c_str());
     if (warning) fprintf(stdwarn,message.c_str());
-    
-    if(cfg_list_contents){
+        
+    if(error||warning){
       dump_vector(block->get_description());
-      if (!error&&!warning) spaced=false;
+    } else {
+      if(cfg_list_contents){
+	FILE * tmp_fp=fdopen(out_fd,"w");
+	dump_vector_fp(block->get_description(),tmp_fp);
+	if (!error&&!warning) spaced=false;
+      }
     }
 
     if (error||warning||cfg_verbose){
@@ -177,38 +185,202 @@ void read_tape(){
     }
 } // read_tape()
 
+
 /******************************************************************************/
+void process_tape(){
+  if (cfg_verbose) fprintf(stdwarn,"Processing Tape.\n");
+  
+  bool in_object=false;
+  char filename[100];
+  char filename_numbered[100];
+  string objname;
+  int unknown_count=-1;
+  int fd=-1, fd_numbered=-1;
+  int obj_no=0;
+  int obj_start_block;
+  
+  for (unsigned int i=0; i<tape.size();i++){
+    tape_block * block=tape[i];
+
+      if (block->get_type()==tape_block::TBT_EOT){
+	objname="EOT";
+	if (in_object){
+	  if (cfg_ignore_object_integrity_errors){
+	    fprintf(stdwarn,"Warning: Object integrity error!\n");
+	    warnings++;
+	  } else {
+	    fprintf(stderr,"Error: Object integrity error!\
+ (Object no %i, Block %i unexpected)\n",obj_no,i);
+	    errors++;
+	    errcode=6;
+	    return;
+	  }
+	}
+      }
+    
+    if (!in_object){ // object begin
+      obj_no++;
+      obj_start_block=i;
+      
+      objname="UNKNOWN";
+      unknown_count++;
+      
+      vector<string>names=block->get_exported_symbols();
+      for (unsigned int a=0; a<names.size();a++){
+	objname=names[0];
+	if (objname!="      "){
+	  objname=objname.substr(0,objname.find_last_not_of(" ")+1);
+	  unknown_count--;
+	  break;
+	  
+	}
+      }
+           
+      if (block->get_type()==tape_block::TBT_EOT){
+	objname="EOT";
+      }
+      
+      // Open file for split objects
+      if (cfg_split_objects && (block->get_type()!=tape_block::TBT_EOT)){
+	if (objname=="UNKNOWN")snprintf(filename,99,"UNKNOWN%02i.obj",unknown_count);
+	else snprintf(filename,99,"%s.obj",objname.c_str());
+	if (fd>-1) close (fd);
+	fd=open(filename,O_WRONLY|O_CREAT|O_TRUNC,0666);
+	printf("opening \"%s\"\n",filename);
+	if (fd<0){
+	  fprintf(stderr,"Error: could not open file \"%s\" for writing!\n",
+		  filename);
+	exit (1);
+	}
+      }
+
+      // Open file for split objects numbered
+      snprintf(filename_numbered,99,"%03i0-%s.obj",obj_no,objname.c_str());
+      if (cfg_split_objects_numbered){
+	if (fd_numbered>-1) close (fd_numbered);
+	fd_numbered=open(filename_numbered,O_WRONLY|O_CREAT|O_TRUNC,0666);
+	if (fd_numbered<0){
+	  fprintf(stderr,"Error: could not open file \"%s\" for writing!\n",
+		  filename_numbered);
+	exit (1);
+	}
+      }
+      in_object=true;
+    } // object begin
+    
+    // Output block data
+    if (cfg_split_objects){
+      try{
+	if (block->get_type()!=tape_block::TBT_EOT) // Don't want EOT here
+	  block->dump_to_fd(fd);
+      }
+      catch (tape_block::io_error_exception e){
+	fprintf(stderr,"Error: could write to file \"%s\"!\n",
+		filename);
+	exit (1);
+      }
+    } // if (cfg_split_objects)
+
+    // Output block data
+    if (cfg_split_objects_numbered){
+      try{
+	block->dump_to_fd(fd_numbered);
+      }
+      catch (tape_block::io_error_exception e){
+	fprintf(stderr,"Error: could write to file \"%s\"!\n",
+		filename_numbered);
+	exit (1);
+      }
+    } // if (cfg_split_objects_numbered)
+
+    // Output individual block file if desired
+    if (cfg_split_blocks){
+      char fname[100];
+      snprintf(fname,99,"%03i0-%s-%03i.block",obj_no,objname.c_str(),i-obj_start_block);
+      int fd_block=open(fname,O_WRONLY|O_TRUNC|O_CREAT,0666);
+      if (fd_block<0){
+	  fprintf(stderr,"Error: could not open file \"%s\" for writing!\n",
+		  fname);
+	exit (1);
+      }
+      try{
+	block->dump_to_fd(fd_block);
+      }
+      catch (tape_block::io_error_exception e){
+	fprintf(stderr,"Error: could write to file \"%s\"!\n",
+		fname);
+	exit (1);
+      }
+      close(fd_block);
+    }
+    
+    if (block->is_endblock()||(block->get_type()==tape_block::TBT_EOT)) {
+      in_object=false; 
+      if (fd!=-1) close(fd);
+      if (fd_numbered!=-1) close(fd_numbered);
+    }
+  } // for (...)
+  
+  if (in_object){
+    if (cfg_ignore_object_integrity_errors){
+      fprintf(stdwarn,"Warning: Object integrity error!\n");
+      warnings++;
+    } else {
+      fprintf(stdwarn,"Error: Object integrity error!\n");
+      errors++;
+      errcode=6;
+      return;
+    }
+  }
+   
 
-void type_check(){
-  bool warning=false;
-  bool error=false;
+} // process_tape()
 
+void process_called_imports(){
+  vector<string>exported;
+  vector<string>called;
+  vector <string>unsatisfied;
+  
   for (unsigned int i=0; i<tape.size();i++){
-    bool spaced=false;
-    if (!tape[i]->has_known_type()){
-      FILE * fp;
-      if (cfg_ignore_unknown_block_errors){
-	fp=stdwarn;
-	warning=true;
-      } else {
-	fp=stderr;
-	error=true;
-      }	
-      if (!spaced) {
-	spaced=false;fprintf(fp,"\n");
-	fprintf(fp,"Warning: Unknown Block type! Block No.%i\n",i);
-	dump_vector_fp(tape[i]->get_description(),fp);
-	fprintf(fp,"\n");
-	spaced=true;
-      }
-      if (!cfg_ignore_unknown_block_errors){
-	int errcode=5;
-	fprintf(stdwarn,"Failed. (%i)\n",errcode);
-	exit(errcode);
+    merge_vector_unique(exported,tape[i]->get_exported_symbols());
+    merge_vector_unique(called,tape[i]->get_called_symbols());
+  }
+  
+  for (unsigned int icalled=0;icalled<called.size();icalled++){
+    bool found=false;
+    for (unsigned int iexported=0;iexported<exported.size();iexported++){
+      if (exported[iexported].compare(called[icalled])==0){
+	found=true;
+	break;
       }
     }
+    if (!found) {
+      bool present=false;
+      for (unsigned int i=0;i<unsatisfied.size();i++){
+	if (unsatisfied[i].compare(called[icalled])==0){
+	  present=true;
+	  break;
+	}
+      }
+      if (!present) unsatisfied.insert(unsatisfied.end(),called[icalled]);
+    }
   }
-} // type_check()
+  
+  FILE * outp=fdopen(out_fd,"w");
+
+  if (cfg_output_called){
+    dump_vector_fp(called,outp);
+  }
+
+  if (cfg_output_exported){
+    dump_vector_fp(exported,outp);
+  }
+
+  if (cfg_output_unsatisfied){
+    dump_vector_fp(unsatisfied,outp);
+  }
+
+}
 
 /******************************************************************************/
 /*!
@@ -216,7 +388,6 @@ void type_check(){
  */
 int main(int argc, char ** args){
 
-
   // Do all the configuration stuff
   do_config(argc,args);
 
@@ -233,15 +404,18 @@ int main(int argc, char ** args){
   read_tape(); // Process input to completion.
   exit_on_error();
   
+  process_tape();
+  exit_on_error();
+
+  process_called_imports();
+  exit_on_error();
   
   
-  if (cfg_split_objects){
-    for (unsigned int i=0; i<tape.size();i++){
-      tape[i]->dump_to_fd(out_fd);
-    }
+  if (warnings>0){
+    fprintf(stdwarn,"Warnings:%i\n",warnings);
+    return 99;
   }
-  
- 
+  if (cfg_verbose) fprintf(stdwarn,"Success.\n");
   return 0;
 } // main()
 
diff --git a/pc-tools/ldc2/src/tape_block.cpp b/pc-tools/ldc2/src/tape_block.cpp
index b759a12..b6fc25b 100644
--- a/pc-tools/ldc2/src/tape_block.cpp
+++ b/pc-tools/ldc2/src/tape_block.cpp
@@ -339,7 +339,7 @@ tape_block * tape_block::gen_from_fd(int  fd,
   case 001: n_data_block_0_x=new data_block_0_1(*n_data_block_0); break;
   case 002: n_data_block_0_x=new data_block_0_2(*n_data_block_0); break;
   case 003: n_data_block_0_x=new data_block_0_3(*n_data_block_0); break;
-    // case 004: n_data_block_0_x=new data_block_0_4(*n_data_block_0); break;
+  case 004: n_data_block_0_x=new data_block_0_4(*n_data_block_0); break;
   case 010: n_data_block_0_x=new data_block_0_10(*n_data_block_0); break;
   case 014: n_data_block_0_x=new data_block_0_14(*n_data_block_0); break;
   case 024: n_data_block_0_x=new data_block_0_24(*n_data_block_0); break;
diff --git a/pc-tools/ldc2/src/tool.cpp b/pc-tools/ldc2/src/tool.cpp
index cc04868..b33e027 100644
--- a/pc-tools/ldc2/src/tool.cpp
+++ b/pc-tools/ldc2/src/tool.cpp
@@ -7,22 +7,6 @@
 
 using namespace std;
 
-/*!
- *\brief Output a vector of strings to out_fd.
- *\arg strings A vector containing text.
- *\retval 0 The vector was empty.
- *\retval 1 The vector contained text.
- */
-int dump_vector(vector<string> strings){
-  int res=0;
-  for (vector<string>::iterator iter=strings.begin();iter<strings.end();iter++){
-    char buffer[50000];
-    snprintf(buffer,50000,"%s\n",(*iter).c_str());
-    write (out_fd,buffer,strlen(buffer));
-    res=1;
-  }
-  return res;
-}
 
 /*!
  *\brief Output a vector of strings.
@@ -34,27 +18,20 @@ int dump_vector(vector<string> strings){
 int dump_vector_fp(vector<string> strings, FILE * fp){
   int res=0;
   for (vector<string>::iterator iter=strings.begin();iter<strings.end();iter++){
-    fprintf(fp,"%s\n",(*iter).c_str());
+    fprintf(fp,"%s\n",
+	    iter->substr(0,iter->find_last_not_of(" ")+1).c_str());
     res=1;
   }
   return res;
 }
 
 /*!
- *\brief add contents of one vector to another vector uniquely.
- *\param target Reference to the target vector.
- *\param source Reference to the vector whose contents are to be added
- *       to target.
+ *\brief Output a vector of strings to out_fd.
+ *\arg strings A vector containing text.
+ *\retval 0 The vector was empty.
+ *\retval 1 The vector contained text.
  */
-template<typename T>
-void merge_vector_unique(vector<T> &target, const vector<T> & source){
-  for (unsigned int isource=0; isource<source.size();isource++){
-    bool already_present=false;
-    for (int itarget=0;itarget<target.size();itarget++)
-      if (target[itarget]==source[isource]){
-	already_present=true;
-	break;
-      }
-    if (!already_present) target.insert(target.end().source[isource]);
-  }
+int dump_vector(vector<string> strings){
+  FILE * fp=fdopen(out_fd,"w");
+  return dump_vector_fp(strings,fp);
 }
diff --git a/pc-tools/ldc2/src/tool.hh b/pc-tools/ldc2/src/tool.hh
index cfc31bb..1941f7c 100644
--- a/pc-tools/ldc2/src/tool.hh
+++ b/pc-tools/ldc2/src/tool.hh
@@ -9,8 +9,24 @@ using namespace std;
 extern int dump_vector(vector<string> strings);
 extern int dump_vector_fp(vector<string> strings, FILE * fp);
 
-template<typename T>
-extern void merge_vector_unique(vector<T> &target, const vector<T> & source);
 
+/*!
+ *\brief add contents of one vector to another vector uniquely.
+ *\param target Reference to the target vector.
+ *\param source Reference to the vector whose contents are to be added
+ *       to target.
+ */
+template<typename T>
+void merge_vector_unique(vector<T> &target, const vector<T> & source){
+  for (unsigned int isource=0; isource<source.size();isource++){
+    bool already_present=false;
+    for (unsigned int itarget=0;itarget<target.size();itarget++)
+      if (target[itarget]==source[isource]){
+	already_present=true;
+	break;
+      }
+    if (!already_present) target.insert(target.end(),source[isource]);
+  }
+}
 
 #endif