Add dumping of options

git-svn-id: svn://svn.cc65.org/cc65/trunk@237 b7a2c559-68d2-44c3-8de9-860c34a00d81

src/od65/dump.c

@@ -33,10 +33,15 @@
 
 
 
+#include <time.h>
+
 /* common */
 #include "objdefs.h"
+#include "optdefs.h"
+#include "xmalloc.h"
 
 /* od65 */
+#include "error.h"
 #include "fileio.h"
 #include "dump.h"
 
@@ -48,7 +53,7 @@
 
 
 
-static void DumpHeaderSection (const char* Name,
+static void DumpObjHeaderSection (const char* Name,
 		   	          unsigned long Offset,
 			          unsigned long Size)
 /* Dump a header section */
@@ -60,22 +65,22 @@ static void DumpHeaderSection (const char* Name,
 
 
 
-void DumpHeader (FILE* F, unsigned long Offset)
+void DumpObjHeader (FILE* F, unsigned long Offset)
 /* Dump the header of the given object file */
 {
     ObjHeader H;
 
-    /* Output a header */
-    printf ("  Header:\n");
-
     /* Seek to the header position */
-    fseek (F, 0, SEEK_SET);
+    FileSeek (F, Offset);
 
     /* Read the header */
     ReadObjHeader (F, &H);
 
     /* Now dump the information */
 
+    /* Output a header */
+    printf ("  Header:\n");
+
     /* Magic */
     printf ("    Magic:                 0x%08lX\n", H.Magic);
 
@@ -90,22 +95,110 @@ void DumpHeader (FILE* F, unsigned long Offset)
     printf (")\n");
 
     /* Options */
-    DumpHeaderSection ("Options", H.OptionOffs, H.OptionSize);
+    DumpObjHeaderSection ("Options", H.OptionOffs, H.OptionSize);
 
     /* Files */
-    DumpHeaderSection ("Files", H.FileOffs, H.FileSize);
+    DumpObjHeaderSection ("Files", H.FileOffs, H.FileSize);
 
     /* Segments */
-    DumpHeaderSection ("Segments", H.SegOffs, H.SegSize);
+    DumpObjHeaderSection ("Segments", H.SegOffs, H.SegSize);
 
     /* Imports */
-    DumpHeaderSection ("Imports", H.ImportOffs, H.ImportSize);
+    DumpObjHeaderSection ("Imports", H.ImportOffs, H.ImportSize);
 
     /* Exports */
-    DumpHeaderSection ("Exports", H.ExportOffs, H.ExportSize);
+    DumpObjHeaderSection ("Exports", H.ExportOffs, H.ExportSize);
 
     /* Debug symbols */
-    DumpHeaderSection ("Debug symbols", H.DbgSymOffs, H.DbgSymSize);
+    DumpObjHeaderSection ("Debug symbols", H.DbgSymOffs, H.DbgSymSize);
+}
+
+
+
+void DumpObjOptions (FILE* F, unsigned long Offset)
+/* Dump the file options */
+{
+    ObjHeader H;
+    long     Size;
+    unsigned Count;
+    unsigned I;
+
+    /* Seek to the header position */
+    FileSeek (F, Offset);
+
+    /* Read the header */
+    ReadObjHeader (F, &H);
+
+    /* Seek to the start of the options */
+    FileSeek (F, Offset + H.OptionOffs);
+
+    /* Output a header */
+    printf ("  Options:\n");
+
+    /* Read the number of options and print it */
+    Count = Read16 (F);
+    printf ("    Count:                      %5u\n", Count);
+
+    /* Read and print all options */
+    for (I = 0; I < Count; ++I) {
+
+	unsigned long ArgNum;
+	char*  	      ArgStr;
+	unsigned      ArgLen;
+
+	/* Read the type of the option */
+	unsigned char Type = Read8 (F);
+
+       	/* Get the type of the argument */
+	unsigned char ArgType = Type & OPT_ARGMASK;
+
+ 	/* Determine which option follows */
+	const char* TypeDesc;
+	switch (Type) {
+       	    case OPT_COMMENT:  	TypeDesc = "OPT_COMMENT";	break;
+	    case OPT_AUTHOR: 	TypeDesc = "OPT_AUTHOR";	break;
+	    case OPT_TRANSLATOR:TypeDesc = "OPT_TRANSLATOR";	break;
+	    case OPT_COMPILER:	TypeDesc = "OPT_COMPILER";	break;
+	    case OPT_OS:     	TypeDesc = "OPT_OS";		break;
+	    case OPT_DATETIME:	TypeDesc = "OPT_DATETIME";	break;
+	    default:	     	TypeDesc = "OPT_UNKNOWN";	break;
+	}
+
+	/* Print the header */
+	printf ("    Option %u:\n", I);
+
+	/* Print the data */
+	printf ("      Type:                      0x%02X (%s)\n", Type, TypeDesc);
+	switch (ArgType) {
+
+	    case OPT_ARGSTR:
+	     	ArgStr = ReadMallocedStr (F);
+	    	ArgLen = strlen (ArgStr);
+	     	printf ("      Data:%*s\"%s\"\n", 24-ArgLen, "", ArgStr);
+	     	Size -= 1 + ArgLen + 1;
+	     	xfree (ArgStr);
+	     	break;
+
+	    case OPT_ARGNUM:
+	     	ArgNum = Read32 (F);
+	     	printf ("      Data:%26lu", ArgNum);
+		if (Type == OPT_DATETIME) {
+		    /* Print the time as a string */
+		    time_t T = (time_t) ArgNum;
+   		    printf (" (%.24s)", asctime (localtime (&T)));
+		}
+		printf ("\n");
+	     	Size -= 1 + 4;
+	     	break;
+
+	    default:
+	     	/* Unknown argument type. This means that we cannot determine
+	     	 * the option length, so we cannot proceed.
+	     	 */
+	     	Error ("Unknown option type: 0x%02X", Type);
+	     	break;
+	}
+    }
 }
 
 

src/od65/dump.h

@@ -48,9 +48,12 @@
 
 
 
-void DumpHeader (FILE* F, unsigned long Offset);
+void DumpObjHeader (FILE* F, unsigned long Offset);
 /* Dump the header of the given object file */
 	    
+void DumpObjOptions (FILE* F, unsigned long Offset);
+/* Dump the file options */
+
 
 
 /* End of dump.h */

src/od65/fileio.c

@@ -34,6 +34,7 @@
 
 
 #include <string.h>
+#include <errno.h>
 
 /* common */
 #include "xmalloc.h"
@@ -50,6 +51,16 @@
 
 
 
+void FileSeek (FILE* F, unsigned long Pos)
+/* Seek to the given absolute position, fail on errors */
+{
+    if (fseek (F, Pos, SEEK_SET) != 0) {
+ 	Error ("Cannot seek: %s", strerror (errno));
+    }
+}
+
+
+
 unsigned Read8 (FILE* F)
 /* Read an 8 bit value from the file */
 {

src/od65/fileio.h

@@ -52,6 +52,9 @@
 
 
 
+void FileSeek (FILE* F, unsigned long Pos);
+/* Seek to the given absolute position, fail on errors */
+
 unsigned Read8 (FILE* F);
 /* Read an 8 bit value from the file */
 

src/od65/global.h

@@ -45,6 +45,12 @@
 
 
 #define	D_HEADER	0x00000001UL	/* Dump the header */
+#define D_OPTIONS	0x00000002UL	/* Dump the options */
+#define D_FILES		0x00000004UL	/* Dump source file info */
+#define D_SEGMENTS	0x00000008UL	/* Dump segment info */
+#define D_IMPORTS	0x00000010UL	/* Dump imported symbols */
+#define D_EXPORTS	0x00000020UL	/* Dump exported symbols */
+#define D_DBGSYMS	0x00000040UL	/* Dump debug symbols */
 
 
 

src/od65/main.c

@@ -78,6 +78,7 @@ static void Usage (void)
 	     "\n"
 	     "Long options:\n"
 	     "  --dump-header\t\tDump the object file header\n"	  
+	     "  --dump-options\t\tDump object file options\n"
 	     "  --help\t\tHelp (this text)\n"
        	     "  --version\t\tPrint the version number and exit\n",
     	     ProgName);
@@ -93,6 +94,14 @@ static void OptDumpHeader (const char* Opt, const char* Arg)
 
 
 
+static void OptDumpOptions (const char* Opt, const char* Arg)
+/* Dump the object file options */
+{
+    What |= D_OPTIONS;
+}
+
+
+
 static void OptHelp (const char* Opt, const char* Arg)
 /* Print usage information and exit */
 {
@@ -130,7 +139,7 @@ static void DumpFile (const char* Name)
     if (Magic != OBJ_MAGIC) {
 
 	/* Unknown format */
-       	printf ("%s: (no xo65 object file)\n", Name);
+       	printf ("%s: (no x65 object file)\n", Name);
 
     } else if (What == 0) {
 
@@ -144,9 +153,11 @@ static void DumpFile (const char* Name)
 
      	/* Check what to dump */
      	if (What & D_HEADER) {
-     	    DumpHeader (F, 0);
+     	    DumpObjHeader (F, 0);
+     	}
+	if (What & D_OPTIONS) {
+	    DumpObjOptions (F, 0);
 	}
-
     }
 
     /* Close the file */
@@ -161,6 +172,7 @@ int main (int argc, char* argv [])
     /* Program long options */
     static const LongOpt OptTab[] = {
 	{ "--dump-header",	0,	OptDumpHeader		},
+	{ "--dump-options",	0,	OptDumpOptions		},
 	{ "--help",		0,	OptHelp			},
 	{ "--version",	       	0,	OptVersion		},
     };