-/* ldc2 preliminary main program */
-
+/******************************************************************************
+ *
+ * LDC2 source code
+ *
+ * $Date: 2007/05/30 02:51:16 $
+ * $Author: hachti $
+ *
+ * $Log: main.cpp,v $
+ * Revision 2.3 2007/05/30 02:51:16 hachti
+ * Changed everything towards LDC2 use.
+ * Worked on the buildlib.sh.
+ * Centralized buildlib.sh to a new lib/common directory.
+ *
+ * Revision 2.2 2007-03-26 03:20:31 hachti
+ * *** empty log message ***
+ *
+ * Revision 2.1 2007-03-26 01:15:21 hachti
+ * *** empty log message ***
+ *
+ * Revision 2.0 2007-03-26 01:00:40 hachti
+ * *** empty log message ***
+ *
+ *
+ ******************************************************************************/
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
#include <vector>
#include <string>
-
+
#include "config.hh"
#include "tool.hh"
#define VERSION "0.0"
#endif
-#define ID_STRING "\n ldc2 - The X16 object analyser\n\
+#define ID_STRING "\n ldc2 - The X16 object tape analyser\n\
(C) 2007 Philipp Hachtmann\n\n\
Version %s, built %s\n %s\n\n"
+/******************************************************************************/
+
+static FILE * stdwarn; //! Suppressable warning output file pointer.
+static vector<tape_block*> tape; //! The whole tape contents.
+static vector<vector<tape_block*> > objects; //! Tape content in objects.
+static int errors = 0; //! Global error counter.
+static int warnings= 0; //! Global warning counter.
+static int errcode = 0; //! Error code for error exit routine.
+
+/******************************************************************************/
/*!
- *\brief The main routine.
+ *\brief Error exit routine.
+ *
+ * This routine tests the global error counter and terminates the program
+ * if necessary.
*/
-int main(int argc, char ** args){
+void exit_on_error(){
+ if (errors){
+ fprintf(stderr,"Failed. (%i)\n",errcode);
+ exit(errcode);
+ }
+}
- // Do all the configuration stuff
- do_config(argc,args);
-
- if (cfg_version){
- fprintf(stderr, ID_STRING, VERSION, BUILD_DATE, BUILD_STAMP);
- exit(0);
- }
+/******************************************************************************/
+/*!
+ *\brief Read in Tape data and do some checks and messages.
+ *
+ * This routine reads in the tape data.
+ * During reading in, checksums are checked and
+ * /da001/ information is generated. No object integrity test.
+ * Tape block object pointers are put into the global vector
+ * tape.
+ */
+void read_tape(){
+
+ tape_block * block=0; //! Pointer to current block.
+ bool read_ahead=true; //! Continue scanning for blocks.
+ int read_pointer=0; //! Read position in input.
+ int block_start=0; //! Start of block position in input.
+ int block_end=0; //! End of block position in input.
+ int blocks_read=0; //! Number of blocks read in.
- vector<tape_block*> tape;
- vector<vector<tape_block *> > objects;
- vector<tape_block *> current_object;
+ bool spaced=false; //! Help flag for spaced messages.
- tape_block * block=0;
- bool read_ahead=true;
-
- int read_pointer=0;
- int block_start=0;
- int block_end=0;
- int blocks_read=0;
-
- bool in_object=false;
-
- int errors=0;
- int warnings=0;
- int errcode=0;
-
- bool spaced=false;
+ string message; //! A warning or help message.
+
while(read_ahead){
+
+ bool err_checksum=false; //! Checksum error flag.
+ bool err_integrity=false; //! Integrity error flag.
+
+ bool warning=false; //! Warning flag.
+ bool error=false; //! Error flag.
+
+ // Try to generate block
try{
block=tape_block::gen_from_fd(in_fd);
- blocks_read++;
- tape.insert(tape.end(),block);
- block_start=read_pointer+block->get_discarded_bytes();
- block_end=block_start+block->get_raw_size()-1;
- read_pointer=block_end+1;
-
- if (cfg_verbose) {
- char buffer[200];
- if (!spaced) fprintf(stderr,"\n");
- spaced=false;
-
- snprintf(buffer,200,"Block No.%03i: Start:0x%04x End:0x%04x Size:0x%02x\n",
- blocks_read-1,
- block_start,
- block_end,
- block->get_raw_size());
- fprintf(stderr,buffer);
- }
- if(cfg_list_contents)
- dump_vector(block->get_description());
}
catch(tape_block::eof_legal_exception &e){
catch(tape_block::io_error_exception){
if (in_fd){
- fprintf(stderr,"Error: Could not read from \"%s\"!\n",cfg_infile.c_str());
+ fprintf(stderr,"Error: Could not read from \"%s\"!\n",
+ cfg_infile.c_str());
} else {
fprintf(stderr,"Error: Could not read from stdin!\n");
}
- errors++;
+ error=true;
errcode=2;
break; // Immediately leave read loop.
}
catch(tape_block::eof_illegal_exception &e){
block=e.get_block();
- blocks_read++;
- tape.insert(tape.end(),block);
- block_start=read_pointer+block->get_discarded_bytes();
- block_end=block_start+block->get_raw_size()-1;
- read_pointer=block_end+1;
-
- if (!spaced) fprintf(stderr,"\n");
- spaced=false;
- char buffer[200];
- snprintf(buffer,200,"Block No.%03i: Start:0x%04x End:0x%04x Size:0x%02x\n",
- blocks_read-1,
- block_start,
- block_end,
- block->get_raw_size());
- fprintf(stderr,buffer);
-
+ err_integrity=true;
+ read_ahead=false;
if (cfg_ignore_block_errors){
- fprintf(stderr,"Warning: Block integrity check failed!\n");
- warnings++;
+ message="Warning: Block integrity check failed!\n";
+ warning=true;
} else {
- fprintf(stderr,"Error: Block integrity check failed!\n");
- errors++;
+ message="Error: Block integrity check failed!\n";
+ error=true;
errcode=3;
- read_ahead=false;
}
- if(cfg_list_contents)
- dump_vector(block->get_description());
- fprintf(stderr,"\n");
- spaced=true;
}
catch(tape_block::checksum_error_exception &e){
block=e.get_block();
- blocks_read++;
- tape.insert(tape.end(),block);
- block_start=read_pointer+block->get_discarded_bytes();
- block_end=block_start+block->get_raw_size()-1;
- read_pointer=block_end+1;
-
-
- if (!spaced) fprintf(stderr,"\n");
- spaced=false;
- char buffer[200];
- snprintf(buffer,200,"Block No.%03i: Start:0x%04x End:0x%04x Size:0x%02x\n",
- blocks_read-1,
- block_start,
- block_end,
- block->get_raw_size());
- fprintf(stderr,buffer);
-
+ err_checksum=true;
if (cfg_ignore_checksum_errors){
- fprintf(stderr,"Warning: Block checksum wrong!\n");
- warnings++;
+ message="Warning: Block checksum wrong!\n";
+ warning=true;
} else {
- fprintf(stderr,"Error: Block checksum wrong!\n");
- errors++;
+ message="Error: Block checksum wrong!\n";
+ error=true;
read_ahead=false;
errcode=4;
}
- if(cfg_list_contents)
- dump_vector(block->get_description());
- fprintf(stderr,"\n");
- spaced=true;
}
+ // Now let's check for block type
+ if ((!error)&&(!warning)&&!block->has_known_type()){
+ if (cfg_ignore_unknown_block_errors){
+ message="Warning: Unknown Block type!";
+ warning=true;
+ }else{
+ message="Error: Unknown Block type!";
+ error=true;
+ read_ahead=false;
+ errcode=5;
+ }
+ }
+
+ // Count block.
+ blocks_read++;
+ tape.insert(tape.end(),block);
+ block_start=read_pointer+block->get_discarded_bytes();
+ block_end=block_start+block->get_raw_size()-1;
+ read_pointer=block_end+1;
+
+ FILE * fp=stdwarn;
+ if (error) fp=stderr;
+
+ if (cfg_verbose||error||warning){
+ if (!spaced) fprintf(fp,"\n");
+ spaced=false;
+ fprintf(fp,"Block No.%03i: Start:0x%04x End:0x%04x Size:0x%02x\n",
+ blocks_read-1,
+ block_start,
+ block_end,
+ block->get_raw_size());
+ }
+
+ if (error) fprintf(stderr,message.c_str());
+ if (warning) fprintf(stdwarn,message.c_str());
- } // while (read_ahead)
-
- // Now we have our blocks, tell the user about that!
- if (!spaced) fprintf(stderr,"\n");
- spaced=false;
- char buffer[200];
- sprintf(buffer,"Bytes read:%i Blocks read:%i\nErrors:%i Warnings:%i\n",
- read_pointer,blocks_read,errors,warnings);
- if(cfg_output_info){
- write (out_fd,buffer,strlen(buffer));
- } else {
- fprintf(stderr,buffer);
- }
+ if(error||warning){
+ dump_vector(block->get_description());
+ } 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 (errors>0){
- fprintf(stderr,"Failed. (%i)\n",errcode);
- exit(errcode);
- }
-
+ if (error||warning||cfg_verbose){
+ fprintf(fp,"\n");
+ spaced=true;
+ }
+ if (error) errors++;
+ if (warning) warnings++;
+ } // while....
if (cfg_verbose){
- fprintf(stderr,"Data read successfully.\n");
- }
- close(in_fd);
-
-// switch(block->get_state()){ // switchy
-// case tape_block::TBS_EOF_LEGAL:
-// delete block;
-// if (!in_object){
-// fprintf(stderr,"File successfully read.\n");
-// } else {
-// if (cfg_ignore_object_integrity_errors){
-// fprintf(stderr,"Warning: Object integrity check failed!\n");
-// warnings++;
-// } else {
-// fprintf(stderr,"Error: Object integrity check failed!\n");
-// errors++;
-// errcode=6;
-// }
-// }
-// read_ahead=false;
-// break;
-// case tape_block::TBS_EOF_ILLEGAL:
-// break;
-// case tape_block::TBS_CHECKSUM:
-// break;
-// case tape_block::TBS_DEFAULT:
-// delete block;
-// fprintf(stderr,"TBS_DEFAULT encountered ->> SEVERE INTERNAL ERROR!\n");
-// errors++;
-// errcode=100;
-// read_ahead=false;
-// break;
-// case tape_block::TBS_IOERR:
-// case tape_block::TBS_OK:
-// tape.insert(tape.end(),block);
-// blocks_read++;
-
-// if (cfg_verbose){
-// char buffer[200];
-// snprintf(buffer,200,"Block No. %3i: Start(hex):%5x End(hex):%5x Size(hex):%3x\n",
-// blocks_read-1,
-// block_start,
-// block_end,
-// block->get_raw_size());
-// write (out_fd,buffer,strlen(buffer));
-// }
-
-// if(cfg_list_contents)
-// dump_vector(block->get_description());
+ close(in_fd);
+ fprintf(stderr,"Reading finished.\n");
+ fprintf(stderr,"Bytes read:%i, Blocks read:%i\n",read_pointer,blocks_read);
+ }
+} // read_tape()
+
+
+/******************************************************************************/
+/*!
+ *\brief Do integrity test and object or block dumps.
+ */
+void process_tape(){
+ if (cfg_verbose) fprintf(stdwarn,"\nProcessing Data.\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!\
+ (Object no %i, Block %i unexpected)\n",obj_no,i);
+ 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
-// if (block->get_type()==0x10){ // Unknown data block!
-// if (cfg_ignore_unknown_block_errors){
-// fprintf(stderr,"Warning: Unknown block type!\n");
-// warnings++;
-// }else {
-// fprintf(stderr,"Error: Unknown block type!\n");
-// errors++;
-// errcode=5;
-// read_ahead=false;
-// }
-// }
+ obj_no++;
+ obj_start_block=i;
-// current_object.insert(current_object.end(),block);
+ objname="UNKNOWN";
+ unknown_count++;
-// if ((block->get_type()==data_block::TBT_EOT)
-// ||((block->get_type()==0)&&(block->get_subtype()==3))
-// ||((block->get_type()==4)||(block->get_type()==3))
-// ||((block->get_type()==0)&&(block->get_subtype()==014))){
-// in_object=false;
-// objects.insert(objects.end(),current_object);
-// current_object.clear();
-// } else {
-// in_object=true;
-// }
+ 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";
+ }
-// break;
-// } // switch
-// } // generate loop
+ // Open file for split objects
+ if (cfg_split_objects && (block->get_type()!=tape_block::TBT_EOT)){
+ if (objname=="UNKNOWN")snprintf(filename,99,"UNKNOWN%02i",
+ unknown_count);
+ else snprintf(filename,99,"%s",objname.c_str());
+ if (fd>-1) close (fd);
+ if (cfg_verbose) fprintf(stdwarn,"Writing file: %s\n",filename);
+ fd=open(filename,O_WRONLY|O_CREAT|O_TRUNC,0666);
+ if (fd<0){
+ fprintf(stderr,"Error: could not open file \"%s\" for writing!\n",
+ filename);
+ errors++;
+ errcode=1;
+ return;
+ }
+ }
+
+ // Open file for split objects numbered
+ snprintf(filename_numbered,99,"%03i0-%s",obj_no,objname.c_str());
+ if (cfg_split_objects_numbered){
+ close (fd_numbered);
+ if (cfg_verbose) fprintf(stdwarn,"Writing file: %s\n",filename_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);
+ errors++;
+ errcode=1;
+ return;
+ }
+ }
+ 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);
+ errors++;
+ errcode=1;
+ return;
+ }
+ } // 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);
+ errors++;
+ errcode=1;
+ return;
+ }
+ } // 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);
+ if (cfg_verbose) fprintf(stdwarn,"Writing file: %s\n",fname);
+ 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);
+ errors++;
+ errcode=1;
+ close(fd);
+ close(fd_numbered);
+ return;
+ }
+ try{
+ block->dump_to_fd(fd_block);
+ }
+ catch (tape_block::io_error_exception e){
+ fprintf(stderr,"Error: could write to file \"%s\"!\n",
+ fname);
+ errors++;
+ errcode=1;
+ close(fd);
+ close(fd_numbered);
+ return;
+ }
+ close(fd_block);
+ }
+
+ if (block->is_endblock()||(block->get_type()==tape_block::TBT_EOT)) {
+ in_object=false;
+ close(fd);
+ close(fd_numbered);
+ }
+ } // for (...)
+
+ if (in_object){
+ if (cfg_ignore_object_integrity_errors){
+ fprintf(stdwarn,"Warning: Object integrity error! Last object incomplete!\n");
+ warnings++;
+ } else {
+ fprintf(stdwarn,"Error: Object integrity error! Last Object incomplete!\n");
+ errors++;
+ errcode=6;
+ if (fd!=-1) close(fd);
+ if (fd_numbered!=-1) close(fd_numbered);
+ return;
+ }
+ }
+} // process_tape()
+
+/******************************************************************************/
+/*!
+ *\brief Everything that has to do with symbol listing.
+ */
+void process_symbols(){
+ vector<string>exported;
+ vector<string>called;
+ vector <string>unsatisfied;
-// }
+ if (cfg_verbose) fprintf(stdwarn,"\nProcessing Symbols.\n");
+
+ for (unsigned int i=0; i<tape.size();i++){
+ 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]);
+ }
+ }
+
+ 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);
+ }
+
+} // process_symbols()
+
+/******************************************************************************/
+/*!
+ *\brief The main routine.
+ *
+ */
+int main(int argc, char ** args){
+
+ // Do all the configuration stuff
+ do_config(argc,args);
+
+ // Output a version message if desired
+ if (cfg_version){
+ fprintf(stderr, ID_STRING, VERSION, BUILD_DATE, BUILD_STAMP);
+ exit(0);
+ }
+
+ // Assign warning output according to configuration
+ if (cfg_quiet) stdwarn=fopen("/dev/null","w");
+ else stdwarn=stderr;
+
+ read_tape(); // Process input to completion.
+ exit_on_error();
+
+ process_tape();
+ exit_on_error();
+
+ process_symbols();
+ exit_on_error();
+
+ if (warnings>0){
+ fprintf(stdwarn,"Warnings:%i\n",warnings);
+ return 99;
+ }
+ if (cfg_verbose) fprintf(stdwarn,"\nSuccess.\n");
return 0;
+
+ /*
+ * All over this program, no memory is freed. This is not necessary because
+ * everything is allocated once and that's it.
+ * The classes support proper freeing of their internal buffers.
+ */
+
} // main()
+/******************************************************************************/