--- /dev/null
+/*****************************************************************************/
+/* */
+/* main.c */
+/* */
+/* Main program for the co65 object file converter */
+/* */
+/* */
+/* */
+/* (C) 2003 Ullrich von Bassewitz */
+/* Römerstrasse 52 */
+/* D-70794 Filderstadt */
+/* EMail: uz@cc65.org */
+/* */
+/* */
+/* This software is provided 'as-is', without any expressed or implied */
+/* warranty. In no event will the authors be held liable for any damages */
+/* arising from the use of this software. */
+/* */
+/* Permission is granted to anyone to use this software for any purpose, */
+/* including commercial applications, and to alter it and redistribute it */
+/* freely, subject to the following restrictions: */
+/* */
+/* 1. The origin of this software must not be misrepresented; you must not */
+/* claim that you wrote the original software. If you use this software */
+/* in a product, an acknowledgment in the product documentation would be */
+/* appreciated but is not required. */
+/* 2. Altered source versions must be plainly marked as such, and must not */
+/* be misrepresented as being the original software. */
+/* 3. This notice may not be removed or altered from any source */
+/* distribution. */
+/* */
+/*****************************************************************************/
+
+
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <time.h>
+
+/* common */
+#include "cmdline.h"
+#include "fname.h"
+#include "print.h"
+#include "segnames.h"
+#include "version.h"
+#include "xmalloc.h"
+#include "xsprintf.h"
+
+/* co65 */
+#include "error.h"
+#include "global.h"
+#include "o65.h"
+
+
+
+/*****************************************************************************/
+/* Code */
+/*****************************************************************************/
+
+
+
+static void Usage (void)
+/* Print usage information and exit */
+{
+ fprintf (stderr,
+ "Usage: %s [options] file\n"
+ "Short options:\n"
+ " -V\t\t\tPrint the version number\n"
+ " -g\t\t\tAdd debug info to object file\n"
+ " -h\t\t\tHelp (this text)\n"
+ " -o name\t\tName the output file\n"
+ " -v\t\t\tIncrease verbosity\n"
+ "\n"
+ "Long options:\n"
+ " --bss-name seg\tSet the name of the BSS segment\n"
+ " --code-name seg\tSet the name of the CODE segment\n"
+ " --data-name seg\tSet the name of the DATA segment\n"
+ " --debug-info\t\tAdd debug info to object file\n"
+ " --help\t\tHelp (this text)\n"
+ " --verbose\t\tIncrease verbosity\n"
+ " --version\t\tPrint the version number\n"
+ " --zeropage-name seg\tSet the name of the ZEROPAGE segment\n",
+ ProgName);
+}
+
+
+
+static void CheckSegName (const char* Seg)
+/* Abort if the given name is not a valid segment name */
+{
+ /* Print an error and abort if the name is not ok */
+ if (!ValidSegName (Seg)) {
+ Error ("Segment name `%s' is invalid", Seg);
+ }
+}
+
+
+
+static void OptBssName (const char* Opt attribute ((unused)), const char* Arg)
+/* Handle the --bss-name option */
+{
+ /* Check for a valid name */
+ CheckSegName (Arg);
+
+ /* Set the name */
+ BssSeg = xstrdup (Arg);
+}
+
+
+
+static void OptCodeName (const char* Opt attribute ((unused)), const char* Arg)
+/* Handle the --code-name option */
+{
+ /* Check for a valid name */
+ CheckSegName (Arg);
+
+ /* Set the name */
+ CodeSeg = xstrdup (Arg);
+}
+
+
+
+static void OptDataName (const char* Opt attribute ((unused)), const char* Arg)
+/* Handle the --data-name option */
+{
+ /* Check for a valid name */
+ CheckSegName (Arg);
+
+ /* Set the name */
+ DataSeg = xstrdup (Arg);
+}
+
+
+
+static void OptDebugInfo (const char* Opt attribute ((unused)),
+ const char* Arg attribute ((unused)))
+/* Add debug info to the object file */
+{
+ DebugInfo = 1;
+}
+
+
+
+static void OptHelp (const char* Opt attribute ((unused)),
+ const char* Arg attribute ((unused)))
+/* Print usage information and exit */
+{
+ Usage ();
+ exit (EXIT_SUCCESS);
+}
+
+
+
+static void OptVerbose (const char* Opt attribute ((unused)),
+ const char* Arg attribute ((unused)))
+/* Increase verbosity */
+{
+ ++Verbosity;
+}
+
+
+
+static void OptVersion (const char* Opt attribute ((unused)),
+ const char* Arg attribute ((unused)))
+/* Print the assembler version */
+{
+ fprintf (stderr,
+ "co65 V%u.%u.%u - (C) Copyright 1998-2003 Ullrich von Bassewitz\n",
+ VER_MAJOR, VER_MINOR, VER_PATCH);
+}
+
+
+
+static void OptZeropageName (const char* Opt attribute ((unused)), const char* Arg)
+/* Handle the --zeropage-name option */
+{
+ /* Check for a valid name */
+ CheckSegName (Arg);
+
+ /* Set the name */
+ ZeropageSeg = xstrdup (Arg);
+}
+
+
+
+static const char* SegReloc (const O65Data* D, const O65Reloc* R, unsigned long Val)
+{
+ static char Buf[256];
+ const O65Import* Import;
+
+ switch (R->SegID) {
+
+ case O65_SEGID_UNDEF:
+ if (R->SymIdx >= CollCount (&D->Imports)) {
+ Error ("Import index out of range (input file corrupt)");
+ }
+ Import = CollConstAt (&D->Imports, R->SymIdx);
+ xsprintf (Buf, sizeof (Buf), "%s%+ld", Import->Name, (long) Val);
+ break;
+
+ case O65_SEGID_TEXT:
+ xsprintf (Buf, sizeof (Buf), "%s%+ld", CodeSeg, (long) (Val - D->Header.tbase));
+ break;
+
+ case O65_SEGID_DATA:
+ xsprintf (Buf, sizeof (Buf), "%s%+ld", DataSeg, (long) (Val - D->Header.dbase));
+ break;
+
+ case O65_SEGID_BSS:
+ xsprintf (Buf, sizeof (Buf), "%s%+ld", BssSeg, (long) (Val - D->Header.bbase));
+ break;
+
+ case O65_SEGID_ZP:
+ xsprintf (Buf, sizeof (Buf), "%s%+ld", ZeropageSeg, (long) Val - D->Header.zbase);
+ break;
+
+ case O65_SEGID_ABS:
+ Error ("Relocation entry contains O65_SEGID_ABS");
+ break;
+
+ default:
+ Internal ("Cannot handle this segment reference in reloc entry");
+ }
+
+ return Buf;
+}
+
+
+
+static void ConvertSeg (FILE* F, const O65Data* D, const Collection* Relocs,
+ const unsigned char* Data, unsigned long Size)
+/* Convert one segment */
+{
+ const O65Reloc* R;
+ unsigned RIdx;
+ unsigned long Byte;
+
+ /* Get the pointer to the first relocation entry if there are any */
+ R = (CollCount (Relocs) > 0)? CollConstAt (Relocs, 0) : 0;
+
+ /* Initialize for the loop */
+ RIdx = 0;
+ Byte = 0;
+
+ /* Walk over the segment data */
+ while (Byte < Size) {
+
+ if (R && R->Offs == Byte) {
+ /* We've reached an entry that must be relocated */
+ unsigned long Val;
+ switch (R->Type) {
+
+ case O65_RTYPE_WORD:
+ if (Byte >= Size - 1) {
+ Error ("Found WORD relocation, but not enough bytes left");
+ } else {
+ Val = (Data[Byte+1] << 8) + Data[Byte];
+ Byte += 2;
+ fprintf (F, "\t.word\t%s\n", SegReloc (D, R, Val));
+ }
+ break;
+
+ case O65_RTYPE_HIGH:
+ Val = (Data[Byte++] << 8) + R->Val;
+ fprintf (F, "\t.byte\t>(%s)\n", SegReloc (D, R, Val));
+ break;
+
+ case O65_RTYPE_LOW:
+ Val = Data[Byte++];
+ fprintf (F, "\t.byte\t<(%s)\n", SegReloc (D, R, Val));
+ break;
+
+ case O65_RTYPE_SEGADDR:
+ if (Byte >= Size - 2) {
+ Error ("Found SEGADDR relocation, but not enough bytes left");
+ } else {
+ Val = (((unsigned long) Data[Byte+2]) << 16) +
+ (((unsigned long) Data[Byte+1]) << 8) +
+ (((unsigned long) Data[Byte+0]) << 0) +
+ R->Val;
+ Byte += 3;
+ fprintf (F, "\t.faraddr\t%s\n", SegReloc (D, R, Val));
+ }
+ break;
+ case O65_RTYPE_SEG:
+ default:
+ Internal ("Invalid relocation type at %lu", Byte);
+ }
+
+ /* Get the next relocation entry */
+ if (++RIdx < CollCount (Relocs)) {
+ R = CollConstAt (Relocs, RIdx);
+ } else {
+ R = 0;
+ }
+
+ } else {
+ /* Just a constant value */
+ fprintf (F, "\t.byte\t$%02X\n", Data[Byte++]);
+ }
+ }
+
+ fprintf (F, "\n");
+}
+
+
+
+static void Convert (void)
+/* Do file conversion */
+{
+ FILE* F;
+ unsigned I;
+
+ /* Read the o65 file into memory */
+ O65Data* D = ReadO65File (InFilename);
+
+ /* For now, we do only accept o65 files generated by the ld65 linker which
+ * have a specific format.
+ */
+ if (D->Header.mode != O65_MODE_CC65) {
+ Error ("Cannot convert o65 files of this type");
+ }
+
+ printf ("Textsize: %lu\n", D->Header.tlen);
+ printf ("Datasize: %lu\n", D->Header.dlen);
+ printf ("Imports: %u\n", CollCount (&D->Imports));
+ printf ("Exports: %u\n", CollCount (&D->Exports));
+ printf ("Textrelocs: %u\n", CollCount (&D->TextReloc));
+ printf ("Datarelocs: %u\n", CollCount (&D->DataReloc));
+
+ /* Open the output file */
+ F = fopen (OutFilename, "wb");
+ if (F == 0) {
+ Error ("Cannot open `%s': %s", OutFilename, strerror (errno));
+ }
+
+ /* Create a header */
+ if ((D->Header.mode & O65_CPU_MASK) == O65_CPU_65816) {
+ fprintf (F, "\t.p816\n");
+ }
+ fprintf (F, ";\n; File generated by co65 v %u.%u.%u\n;\n",
+ VER_MAJOR, VER_MINOR, VER_PATCH);
+ fprintf (F, "\t.fopt\t\tcompiler,\"co65 v %u.%u.%u\"\n",
+ VER_MAJOR, VER_MINOR, VER_PATCH);
+ fprintf (F, "\t.case\t\ton\n");
+ fprintf (F, "\t.debuginfo\t%s\n", (DebugInfo != 0)? "on" : "off");
+ fprintf (F, "\n");
+
+ /* Imported identifiers */
+ if (CollCount (&D->Imports) > 0) {
+ for (I = 0; I < CollCount (&D->Imports); ++I) {
+
+ /* Get the next import */
+ O65Import* Import = CollAtUnchecked (&D->Imports, I);
+
+ /* Import it by name */
+ fprintf (F, "\t.import\t%s\n", Import->Name);
+ }
+ fprintf (F, "\n");
+ }
+
+ /* Exported identifiers */
+ if (CollCount (&D->Exports) > 0) {
+ for (I = 0; I < CollCount (&D->Exports); ++I) {
+
+ /* Get the next import */
+ O65Export* Export = CollAtUnchecked (&D->Exports, I);
+
+ /* Import it by name */
+ fprintf (F, "\t.export\t%s\n", Export->Name);
+ }
+ fprintf (F, "\n");
+ }
+
+ /* Code segment */
+ fprintf (F, ".segment\t\"%s\"\n", CodeSeg);
+ fprintf (F, "%s:\n", CodeSeg);
+ ConvertSeg (F, D, &D->TextReloc, D->Text, D->Header.tlen);
+
+ /* Data segment */
+ fprintf (F, ".segment\t\"%s\"\n", DataSeg);
+ fprintf (F, "%s:\n", DataSeg);
+ ConvertSeg (F, D, &D->DataReloc, D->Data, D->Header.dlen);
+
+ /* BSS segment */
+ fprintf (F, ".segment\t\"%s\"\n", BssSeg);
+ fprintf (F, "%s:\n", BssSeg);
+ fprintf (F, "\t.res\t%lu\n", D->Header.blen);
+ fprintf (F, "\n");
+
+ fprintf (F, "\t.end\n");
+ fclose (F);
+}
+
+
+
+int main (int argc, char* argv [])
+/* Converter main program */
+{
+ /* Program long options */
+ static const LongOpt OptTab[] = {
+ { "--bss-name", 1, OptBssName },
+ { "--code-name", 1, OptCodeName },
+ { "--data-name", 1, OptDataName },
+ { "--debug-info", 0, OptDebugInfo },
+ { "--help", 0, OptHelp },
+ { "--verbose", 0, OptVerbose },
+ { "--version", 0, OptVersion },
+ { "--zeropage-name", 1, OptZeropageName },
+ };
+
+ unsigned I;
+
+ /* Initialize the cmdline module */
+ InitCmdLine (&argc, &argv, "co65");
+
+ /* Check the parameters */
+ I = 1;
+ while (I < ArgCount) {
+
+ /* Get the argument */
+ const char* Arg = ArgVec [I];
+
+ /* Check for an option */
+ if (Arg [0] == '-') {
+ switch (Arg [1]) {
+
+ case '-':
+ LongOption (&I, OptTab, sizeof(OptTab)/sizeof(OptTab[0]));
+ break;
+
+ case 'g':
+ OptDebugInfo (Arg, 0);
+ break;
+
+ case 'h':
+ OptHelp (Arg, 0);
+ break;
+
+ case 'o':
+ OutFilename = GetArg (&I, 2);
+ break;
+
+ case 'v':
+ OptVerbose (Arg, 0);
+ break;
+
+ case 'V':
+ OptVersion (Arg, 0);
+ break;
+
+ default:
+ UnknownOption (Arg);
+ break;
+
+ }
+ } else {
+ /* Filename. Check if we already had one */
+ if (InFilename) {
+ Error ("Don't know what to do with `%s'\n", Arg);
+ } else {
+ InFilename = Arg;
+ }
+ }
+
+ /* Next argument */
+ ++I;
+ }
+
+ /* Do we have an input file? */
+ if (InFilename == 0) {
+ Error ("No input file\n");
+ }
+
+ /* Generate the name of the output file if none was specified */
+ if (OutFilename == 0) {
+ OutFilename = MakeFilename (InFilename, AsmExt);
+ }
+
+ /* Do the conversion */
+ Convert ();
+
+ /* Return an apropriate exit code */
+ return EXIT_SUCCESS;
+}
+
+
+
projects / cc65 / blobdiff