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git-svn-id: svn://svn.cc65.org/cc65/trunk@1942 b7a2c559-68d2-44c3-8de9-860c34a00d81
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cuz 2003-02-08 16:32:55 +00:00
parent b28cf4cfd8
commit bbb70a2d47
12 changed files with 1700 additions and 0 deletions
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2
src/co65/.cvsignore Normal file
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.depend
co65

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/*****************************************************************************/
/* */
/* error.c */
/* */
/* Error handling for the co65 object file converter */
/* */
/* */
/* */
/* (C) 1998-2003 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 <stdarg.h>
/* common */
#include "cmdline.h"
/* co65 */
#include "error.h"
/*****************************************************************************/
/* Code */
/*****************************************************************************/
void Warning (const char* Format, ...)
/* Print a warning message */
{
va_list ap;
va_start (ap, Format);
fprintf (stderr, "%s: Warning: ", ProgName);
vfprintf (stderr, Format, ap);
putc ('\n', stderr);
va_end (ap);
}
void Error (const char* Format, ...)
/* Print an error message and die */
{
va_list ap;
va_start (ap, Format);
fprintf (stderr, "%s: Error: ", ProgName);
vfprintf (stderr, Format, ap);
putc ('\n', stderr);
va_end (ap);
exit (EXIT_FAILURE);
}
void Internal (const char* Format, ...)
/* Print an internal error message and die */
{
va_list ap;
va_start (ap, Format);
fprintf (stderr, "%s: Internal error: ", ProgName);
vfprintf (stderr, Format, ap);
putc ('\n', stderr);
va_end (ap);
exit (EXIT_FAILURE);
}

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/*****************************************************************************/
/* */
/* error.h */
/* */
/* Error handling for the co65 object file converter */
/* */
/* */
/* */
/* (C) 1998-2003 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. */
/* */
/*****************************************************************************/
#ifndef ERROR_H
#define ERROR_H
/* common */
#include "attrib.h"
/*****************************************************************************/
/* Code */
/*****************************************************************************/
void Warning (const char* Format, ...) attribute((format(printf,1,2)));
/* Print a warning message */
void Error (const char* Format, ...) attribute((format(printf,1,2)));
/* Print an error message and die */
void Internal (const char* Format, ...) attribute((format(printf,1,2)));
/* Print an internal error message and die */
/* End of error.h */
#endif

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/*****************************************************************************/
/* */
/* fileio.c */
/* */
/* Binary file I/O for the co65 object file converter */
/* */
/* */
/* */
/* (C) 1998-2003 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 <string.h>
/* common */
#include "xmalloc.h"
/* ld65 */
#include "error.h"
#include "fileio.h"
/*****************************************************************************/
/* Code */
/*****************************************************************************/
unsigned Read8 (FILE* F)
/* Read an 8 bit value from the file */
{
int C = getc (F);
if (C == EOF) {
Error ("Read error (file corrupt?)");
}
return C;
}
unsigned Read16 (FILE* F)
/* Read a 16 bit value from the file */
{
unsigned Lo = Read8 (F);
unsigned Hi = Read8 (F);
return (Hi << 8) | Lo;
}
unsigned long Read24 (FILE* F)
/* Read a 24 bit value from the file */
{
unsigned long Lo = Read16 (F);
unsigned long Hi = Read8 (F);
return (Hi << 16) | Lo;
}
unsigned long Read32 (FILE* F)
/* Read a 32 bit value from the file */
{
unsigned long Lo = Read16 (F);
unsigned long Hi = Read16 (F);
return (Hi << 16) | Lo;
}
void* ReadData (FILE* F, void* Data, unsigned Size)
/* Read data from the file */
{
/* Explicitly allow reading zero bytes */
if (Size > 0) {
if (fread (Data, 1, Size, F) != Size) {
Error ("Read error (file corrupt?)");
}
}
return Data;
}

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/*****************************************************************************/
/* */
/* fileio.h */
/* */
/* Binary file I/O for the co65 object file converter */
/* */
/* */
/* */
/* (C) 1998-2003 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. */
/* */
/*****************************************************************************/
#ifndef FILEIO_H
#define FILEIO_H
#include <stdio.h>
/* common */
#include "filepos.h"
/*****************************************************************************/
/* Code */
/*****************************************************************************/
unsigned Read8 (FILE* F);
/* Read an 8 bit value from the file */
unsigned Read16 (FILE* F);
/* Read a 16 bit value from the file */
unsigned long Read24 (FILE* F);
/* Read a 24 bit value from the file */
unsigned long Read32 (FILE* F);
/* Read a 32 bit value from the file */
void* ReadData (FILE* F, void* Data, unsigned Size);
/* Read data from the file */
/* End of fileio.h */
#endif

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/*****************************************************************************/
/* */
/* global.c */
/* */
/* Global variables 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. */
/* */
/*****************************************************************************/
/* common */
#include "segnames.h"
/* co65 */
#include "global.h"
/*****************************************************************************/
/* Data */
/*****************************************************************************/
/* File names */
const char* InFilename = 0; /* Name of input file */
const char* OutFilename = 0; /* Name of output file */
/* Default extensions */
const char AsmExt[] = ".s"; /* Default assembler extension */
/* Segment names */
const char* CodeSeg = SEGNAME_CODE; /* Name of the code segment */
const char* DataSeg = SEGNAME_DATA; /* Name of the data segment */
const char* BssSeg = SEGNAME_BSS; /* Name of the bss segment */
const char* ZeropageSeg = SEGNAME_ZEROPAGE; /* Name of the zeropage segment */
/* Flags */
unsigned char DebugInfo = 0; /* Enable debug info */

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/*****************************************************************************/
/* */
/* global.h */
/* */
/* Global variables 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. */
/* */
/*****************************************************************************/
#ifndef GLOBAL_H
#define GLOBAL_H
/*****************************************************************************/
/* Data */
/*****************************************************************************/
/* File names */
extern const char* InFilename; /* Name of input file */
extern const char* OutFilename; /* Name of output file */
/* Default extensions */
extern const char AsmExt[]; /* Default assembler extension */
/* Segment names */
extern const char* CodeSeg; /* Name of the code segment */
extern const char* DataSeg; /* Name of the data segment */
extern const char* BssSeg; /* Name of the bss segment */
extern const char* ZeropageSeg; /* Name of the zeropage segment */
/* Flags */
extern unsigned char DebugInfo; /* Enable debug info */
/* End of global.h */
#endif

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/*****************************************************************************/
/* */
/* 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;
}

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#
# gcc Makefile for co65
#
# Library dir
COMMON = ../common
CFLAGS = -g -O2 -Wall -W -I$(COMMON)
CC = gcc
EBIND = emxbind
LDFLAGS =
OBJS = error.o \
fileio.o \
global.o \
main.o \
o65.o
LIBS = $(COMMON)/common.a
EXECS = co65
.PHONY: all
ifeq (.depend,$(wildcard .depend))
all : $(EXECS)
include .depend
else
all: depend
@$(MAKE) -f make/gcc.mak all
endif
co65: $(OBJS) $(LIBS)
$(CC) $(CFLAGS) -o $@ $(OBJS) $(LIBS)
@if [ $(OS2_SHELL) ] ; then $(EBIND) $@ ; fi
clean:
rm -f *~ core *.lst
zap: clean
rm -f *.o $(EXECS) .depend
# ------------------------------------------------------------------------------
# Make the dependencies
.PHONY: depend dep
depend dep: $(OBJS:.o=.c)
@echo "Creating dependency information"
$(CC) -I$(COMMON) -MM $^ > .depend

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#
# CO65 Makefile for the Watcom compiler (using GNU make)
#
# ------------------------------------------------------------------------------
# Generic stuff
AR = WLIB
LD = WLINK
LNKCFG = ld.tmp
# --------------------- OS2 ---------------------
ifeq ($(TARGET),OS2)
SYSTEM = os2v2
CC = WCC386
CFLAGS = -bt=$(TARGET) -d1 -onatx -zp4 -5 -zq -w2
endif
# -------------------- DOS4G --------------------
ifeq ($(TARGET),DOS32)
SYSTEM = dos4g
CC = WCC386
CFLAGS = -bt=$(TARGET) -d1 -onatx -zp4 -5 -zq -w2
endif
# --------------------- NT ----------------------
ifeq ($(TARGET),NT)
SYSTEM = nt
CC = WCC386
CFLAGS = -bt=$(TARGET) -d1 -onatx -zp4 -5 -zq -w2
endif
# Add the include dir
CFLAGS += -i=..\common
# ------------------------------------------------------------------------------
# Implicit rules
%.obj: %.c
$(CC) $(CFLAGS) $^
# ------------------------------------------------------------------------------
# All library OBJ files
OBJS = error.obj \
fileio.obj \
global.obj \
main.obj \
o65.obj
LIBS = ..\common\common.lib
# ------------------------------------------------------------------------------
# Main targets
all: co65
co65: co65.exe
# ------------------------------------------------------------------------------
# Other targets
co65.exe: $(OBJS) $(LIBS)
@echo DEBUG ALL > $(LNKCFG)
@echo OPTION QUIET >> $(LNKCFG)
@echo NAME $@ >> $(LNKCFG)
@for %%i in ($(OBJS)) do echo FILE %%i >> $(LNKCFG)
@for %%i in ($(LIBS)) do echo LIBRARY %%i >> $(LNKCFG)
$(LD) system $(SYSTEM) @$(LNKCFG)
@rm $(LNKCFG)
clean:
@if exist *.obj del *.obj
@if exist co65.exe del co65.exe
strip:
@-wstrip co65.exe

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/*****************************************************************************/
/* */
/* o65.h */
/* */
/* Definitions and code for the o65 file format */
/* */
/* */
/* */
/* (C) 2002-2003 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 <string.h>
#include <errno.h>
/* common */
#include "xmalloc.h"
/* co65 */
#include "error.h"
#include "fileio.h"
#include "o65.h"
/*****************************************************************************/
/* struct O65Data */
/*****************************************************************************/
static O65Data* NewO65Data (void)
/* Create, initialize and return a new O65Data struct */
{
/* Allocate memory */
O65Data* D = xmalloc (sizeof (O65Data));
/* Initialize the fields as needed */
D->Options = AUTO_COLLECTION_INITIALIZER;
D->Text = 0;
D->Data = 0;
D->TextReloc = AUTO_COLLECTION_INITIALIZER;
D->DataReloc = AUTO_COLLECTION_INITIALIZER;
D->Imports = AUTO_COLLECTION_INITIALIZER;
D->Exports = AUTO_COLLECTION_INITIALIZER;
/* Return the new struct */
return D;
}
/*****************************************************************************/
/* Code */
/*****************************************************************************/
static unsigned long ReadO65Size (FILE* F, const O65Header* H)
/* Read a size variable (16 or 32 bit, depending on the mode word in the
* header) from the o65 file.
*/
{
switch (H->mode & O65_SIZE_MASK) {
case O65_SIZE_32BIT: return Read32 (F);
case O65_SIZE_16BIT: return Read16 (F);
default: Internal ("Invalid size field value in o65 header");
}
}
static void ReadO65Header (FILE* F, O65Header* H)
/* Read an o65 header from the given file. The function will call Error if
* something is wrong.
*/
{
static const char Magic[3] = {
O65_MAGIC_0, O65_MAGIC_1, O65_MAGIC_2 /* "o65" */
};
/* Read the marker and check it */
ReadData (F, H->marker, sizeof (H->marker));
if (H->marker[0] != O65_MARKER_0 || H->marker[1] != O65_MARKER_1) {
Error ("Not an o65 object file: Invalid marker %02X %02X",
H->marker[0], H->marker[1]);
}
/* Read the magic and check it */
ReadData (F, H->magic, sizeof (H->magic));
if (memcmp (H->magic, Magic, sizeof (H->magic)) != 0) {
Error ("Not an o65 object file: Invalid magic %02X %02X %02X",
H->magic[0], H->magic[1], H->magic[2]);
}
/* Read the version number and check it */
H->version = Read8 (F);
if (H->version != O65_VERSION) {
Error ("Invalid o65 version number: %02X", H->version);
}
/* Read the mode word */
H->mode = Read16 (F);
/* Read the remainder of the header */
H->tbase = ReadO65Size (F, H);
H->tlen = ReadO65Size (F, H);
H->dbase = ReadO65Size (F, H);
H->dlen = ReadO65Size (F, H);
H->bbase = ReadO65Size (F, H);
H->blen = ReadO65Size (F, H);
H->zbase = ReadO65Size (F, H);
H->zlen = ReadO65Size (F, H);
H->stack = ReadO65Size (F, H);
}
static O65Option* ReadO65Option (FILE* F)
/* Read the next O65 option from the given file. The option is stored into a
* dynamically allocated O65Option struct which is returned. On end of options,
* NULL is returned. On error, Error is called which terminates the program.
*/
{
O65Option* O;
/* Read the length of the option and bail out on end of options */
unsigned char Len = Read8 (F);
if (Len == 0) {
return 0;
}
/* Allocate a new O65Option structure of the needed size */
O = xmalloc (sizeof (*O) - sizeof (O->Data) + Len - 2);
/* Assign the length and read the remaining option data */
O->Len = Len;
O->Type = Read8 (F);
ReadData (F, O->Data, Len - 2);
/* Return the new struct */
return O;
}
static O65Import* ReadO65Import (FILE* F)
/* Read an o65 import from the file */
{
O65Import* I;
/* Allow identifiers up to 511 bytes */
char Buf[512];
/* Read the identifier */
unsigned Len = 0;
char C;
do {
C = Read8 (F);
if (Len >= sizeof (Buf)) {
Error ("Imported identifier exceeds maximum size (%u)", sizeof (Buf));
}
Buf[Len++] = C;
} while (C != '\0');
/* Allocate an import structure and initialize it */
I = xmalloc (sizeof (*I) - sizeof (I->Name) + Len);
memcpy (I->Name, Buf, Len);
/* Return the new struct */
return I;
}
static void ReadO65RelocInfo (FILE* F, const O65Data* D, Collection* Reloc)
/* Read relocation data for one segment */
{
/* Relocation starts at (start address - 1) */
unsigned long Offs = (unsigned long) -1L;
while (1) {
O65Reloc* R;
/* Read the next relocation offset */
unsigned char C = Read8 (F);
if (C == 0) {
/* End of relocation table */
break;
}
/* Create a new relocation entry */
R = xmalloc (sizeof (*R));
/* Handle overflow bytes */
while (C == 0xFF) {
Offs += 0xFE;
C = Read8 (F);
}
/* Calculate the final offset */
R->Offs = (Offs += C);
/* Read typebyte and segment id */
C = Read8 (F);
R->Type = (C & O65_RTYPE_MASK);
R->SegID = (C & O65_SEGID_MASK);
/* Read an additional relocation value if there is one */
R->SymIdx = (R->SegID == O65_SEGID_UNDEF)? ReadO65Size (F, &D->Header) : 0;
switch (R->Type) {
case O65_RTYPE_HIGH:
if ((D->Header.mode & O65_RELOC_MASK) == O65_RELOC_BYTE) {
/* Low byte follows */
R->Val = Read8 (F);
} else {
/* Low byte is zero */
R->Val = 0;
}
break;
case O65_RTYPE_SEG:
/* Low 16 byte of the segment address follow */
R->Val = Read16 (F);
break;
default:
R->Val = 0;
break;
}
/* Insert this relocation entry into the collection */
CollAppend (Reloc, R);
}
}
static O65Export* ReadO65Export (FILE* F, const O65Header* H)
/* Read an o65 export from the file */
{
O65Export* E;
/* Allow identifiers up to 511 bytes */
char Buf[512];
/* Read the identifier */
unsigned Len = 0;
char C;
do {
C = Read8 (F);
if (Len >= sizeof (Buf)) {
Error ("Exported identifier exceeds maximum size (%u)", sizeof (Buf));
}
Buf[Len++] = C;
} while (C != '\0');
/* Allocate an export structure and initialize it */
E = xmalloc (sizeof (*E) - sizeof (E->Name) + Len);
memcpy (E->Name, Buf, Len);
E->SegID = Read8 (F);
E->Val = ReadO65Size (F, H);
/* Return the new struct */
return E;
}
static O65Data* ReadO65Data (FILE* F)
/* Read a complete o65 file into dynamically allocated memory and return the
* created O65Data struct.
*/
{
unsigned long Count;
O65Option* O;
/* Create the struct we're going to return */
O65Data* D = NewO65Data ();
/* Read the header */
ReadO65Header (F, &D->Header);
/* Read the options */
while ((O = ReadO65Option (F)) != 0) {
CollAppend (&D->Options, O);
}
/* Allocate space for the text segment and read it */
D->Text = xmalloc (D->Header.tlen);
ReadData (F, D->Text, D->Header.tlen);
/* Allocate space for the data segment and read it */
D->Data = xmalloc (D->Header.dlen);
ReadData (F, D->Data, D->Header.dlen);
/* Read the undefined references list */
Count = ReadO65Size (F, &D->Header);
while (Count--) {
CollAppend (&D->Imports, ReadO65Import (F));
}
/* Read the relocation tables for text and data segment */
ReadO65RelocInfo (F, D, &D->TextReloc);
ReadO65RelocInfo (F, D, &D->DataReloc);
/* Read the exported globals list */
Count = ReadO65Size (F, &D->Header);
while (Count--) {
CollAppend (&D->Exports, ReadO65Export (F, &D->Header));
}
/* Return the o65 data read from the file */
return D;
}
O65Data* ReadO65File (const char* Name)
/* Read a complete o65 file into dynamically allocated memory and return the
* created O65Data struct.
*/
{
O65Data* D;
/* Open the o65 input file */
FILE* F = fopen (Name, "rb");
if (F == 0) {
Error ("Cannot open `%s': %s", Name, strerror (errno));
}
/* Read the file data */
D = ReadO65Data (F);
/* Close the input file. Ignore errors since we were only reading */
fclose (F);
/* Return the data read */
return D;
}

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/*****************************************************************************/
/* */
/* o65.h */
/* */
/* Definitions and code for the o65 file format */
/* */
/* */
/* */
/* (C) 2002-2003 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. */
/* */
/*****************************************************************************/
/* This files exports structures and constants to handle the o65 relocatable
* file format as defined by Andre Fachat. See the original document under
*
* http://www.6502.org/users/andre/o65/fileformat.html
*
* for more information.
*/
#ifndef _O65_H
#define _O65_H
/* common */
#include "coll.h"
/*****************************************************************************/
/* Defines */
/*****************************************************************************/
/* Define a structure for the o65 file header */
typedef struct {
char marker[2]; /* Non-C64 marker */
char magic[3]; /* o65 magic */
char version; /* Version number */
unsigned mode; /* Mode word */
unsigned long tbase; /* Original text (code) segment address */
unsigned long tlen; /* Size of text (code) segment */
unsigned long dbase; /* Original data segment address */
unsigned long dlen; /* Size of data segment */
unsigned long bbase; /* Original bss segment address */
unsigned long blen; /* Size of bss segment */
unsigned long zbase; /* Original zp segment address */
unsigned long zlen; /* Size of zp segment */
unsigned long stack; /* Stacksize needed */
} O65Header;
/* o65 option */
typedef struct {
unsigned char Len; /* Option length */
unsigned char Type; /* Option type */
unsigned char Data[1]; /* Option data (dynamically allocated) */
} O65Option;
/* o65 relocation entry */
typedef struct {
unsigned long Offs; /* Offset in segment */
unsigned char Type; /* Relocation type */
unsigned char SegID; /* Segment ID */
unsigned Val; /* Any offset value needed for relocation */
unsigned long SymIdx; /* Index into list of imported symbols */
} O65Reloc;
/* o65 import */
typedef struct {
char Name[1]; /* Name of the import (dynamically allocated) */
} O65Import;
/* o65 export */
typedef struct {
unsigned char SegID; /* Segment ID */
unsigned long Val; /* Relocation value */
char Name[1]; /* Name of the export (dynamically allocated) */
} O65Export;
/* Complete o65 file data */
typedef struct {
O65Header Header; /* File header */
Collection Options; /* O65 options */
unsigned char* Text; /* Text segment data (unrelocated) */
unsigned char* Data; /* Data segment data (unrelocated) */
Collection TextReloc; /* Relocation entries for the text segment */
Collection DataReloc; /* Relocation entries for the data segment */
Collection Imports; /* Imported symbols */
Collection Exports; /* Exported symbols */
} O65Data;
/* Marker, magic and version number */
#define O65_MARKER_0 0x01
#define O65_MARKER_1 0x00
#define O65_MAGIC_0 0x6F /* 'o' */
#define O65_MAGIC_1 0x36 /* '6' */
#define O65_MAGIC_2 0x35 /* '5' */
#define O65_VERSION 0x00
/* Defines for the mode word */
#define O65_CPU_65816 0x8000 /* Executable is for 65816 */
#define O65_CPU_6502 0x0000 /* Executable is for the 6502 */
#define O65_CPU_MASK 0x8000 /* Mask to extract CPU type */
#define O65_RELOC_PAGE 0x4000 /* Page wise relocation */
#define O65_RELOC_BYTE 0x0000 /* Byte wise relocation */
#define O65_RELOC_MASK 0x4000 /* Mask to extract relocation type */
#define O65_SIZE_32BIT 0x2000 /* All size words are 32bit */
#define O65_SIZE_16BIT 0x0000 /* All size words are 16bit */
#define O65_SIZE_MASK 0x2000 /* Mask to extract size */
#define O65_FTYPE_OBJ 0x1000 /* Object file */
#define O65_FTYPE_EXE 0x0000 /* Executable file */
#define O65_FTYPE_MASK 0x1000 /* Mask to extract type */
#define O65_ADDR_SIMPLE 0x0800 /* Simple addressing */
#define O65_ADDR_DEFAULT 0x0000 /* Default addressing */
#define O65_ADDR_MASK 0x0800 /* Mask to extract addressing */
#define O65_ALIGN_1 0x0000 /* Bytewise alignment */
#define O65_ALIGN_2 0x0001 /* Align words */
#define O65_ALIGN_4 0x0002 /* Align longwords */
#define O65_ALIGN_256 0x0003 /* Align pages (256 bytes) */
#define O65_ALIGN_MASK 0x0003 /* Mask to extract alignment */
/* The mode word as generated by the ld65 linker */
#define O65_MODE_CC65 (O65_CPU_6502 | \
O65_RELOC_BYTE | \
O65_SIZE_16BIT | \
O65_FTYPE_EXE | \
O65_ADDR_SIMPLE | \
O65_ALIGN_1)
/* The four o65 segment types. */
#define O65_SEGID_UNDEF 0x00
#define O65_SEGID_ABS 0x01
#define O65_SEGID_TEXT 0x02
#define O65_SEGID_DATA 0x03
#define O65_SEGID_BSS 0x04
#define O65_SEGID_ZP 0x05
#define O65_SEGID_MASK 0x07
/* Relocation type codes */
#define O65_RTYPE_WORD 0x80
#define O65_RTYPE_HIGH 0x40
#define O65_RTYPE_LOW 0x20
#define O65_RTYPE_SEGADDR 0xC0
#define O65_RTYPE_SEG 0xA0
#define O65_RTYPE_MASK 0xE0
/* Segment IDs */
#define O65_SEGID_UNDEF 0x00
#define O65_SEGID_ABS 0x01
#define O65_SEGID_TEXT 0x02
#define O65_SEGID_DATA 0x03
#define O65_SEGID_BSS 0x04
#define O65_SEGID_ZP 0x05
#define O65_SEGID_MASK 0x07
/* Option tags */
#define O65_OPT_FILENAME 0
#define O65_OPT_OS 1
#define O65_OPT_ASM 2
#define O65_OPT_AUTHOR 3
#define O65_OPT_TIMESTAMP 4
/* Operating system codes for O65_OPT_OS */
#define O65_OS_OSA65 1
#define O65_OS_LUNIX 2
#define O65_OS_CC65_MODULE 3
/*****************************************************************************/
/* Code */
/*****************************************************************************/
O65Data* ReadO65File (const char* Name);
/* Read a complete o65 file into dynamically allocated memory and return the
* created O65Data struct.
*/
/* End of o65.h */
#endif