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git-svn-id: svn://svn.cc65.org/cc65/trunk@1971 b7a2c559-68d2-44c3-8de9-860c34a00d81
This commit is contained in:
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606e81df3d
commit
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491
src/co65/convert.c
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491
src/co65/convert.c
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@ -0,0 +1,491 @@
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/*****************************************************************************/
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/* */
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/* convert.c */
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/* */
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/* Actual conversion routines for the co65 object file converter */
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/* */
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/* */
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/* */
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/* (C) 2003 Ullrich von Bassewitz */
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/* Römerstrasse 52 */
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/* D-70794 Filderstadt */
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/* EMail: uz@cc65.org */
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/* */
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/* */
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/* This software is provided 'as-is', without any expressed or implied */
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/* warranty. In no event will the authors be held liable for any damages */
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/* arising from the use of this software. */
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/* */
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/* Permission is granted to anyone to use this software for any purpose, */
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/* including commercial applications, and to alter it and redistribute it */
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/* freely, subject to the following restrictions: */
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/* */
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/* 1. The origin of this software must not be misrepresented; you must not */
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/* claim that you wrote the original software. If you use this software */
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/* in a product, an acknowledgment in the product documentation would be */
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/* appreciated but is not required. */
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/* 2. Altered source versions must be plainly marked as such, and must not */
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/* be misrepresented as being the original software. */
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/* 3. This notice may not be removed or altered from any source */
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/* distribution. */
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/* */
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/*****************************************************************************/
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#include <stdio.h>
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#include <string.h>
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#include <errno.h>
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/* common */
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#include "debugflag.h"
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#include "print.h"
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#include "version.h"
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#include "xmalloc.h"
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#include "xsprintf.h"
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/* co65 */
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#include "error.h"
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#include "global.h"
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#include "model.h"
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#include "o65.h"
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#include "convert.h"
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/*****************************************************************************/
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/* Code */
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/*****************************************************************************/
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static void PrintO65Stats (const O65Data* D)
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/* Print information about the O65 file if --verbose is given */
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{
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Print (stdout, 1, "Size of text segment: %5lu\n", D->Header.tlen);
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Print (stdout, 1, "Size of data segment: %5lu\n", D->Header.dlen);
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Print (stdout, 1, "Size of bss segment: %5lu\n", D->Header.blen);
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Print (stdout, 1, "Size of zeropage segment: %5lu\n", D->Header.zlen);
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Print (stdout, 1, "Number of imports: %5u\n", CollCount (&D->Imports));
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Print (stdout, 1, "Number of exports: %5u\n", CollCount (&D->Exports));
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Print (stdout, 1, "Number of text segment relocations: %5u\n", CollCount (&D->TextReloc));
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Print (stdout, 1, "Number of data segment relocations: %5u\n", CollCount (&D->DataReloc));
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}
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static void SetupSegLabels (FILE* F)
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/* Setup the segment label names */
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{
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if (BssLabel) {
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fprintf (F, ".export\t\t%s\n", BssLabel);
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} else {
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BssLabel = xstrdup ("BSS");
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}
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if (CodeLabel) {
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fprintf (F, ".export\t\t%s\n", CodeLabel);
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} else {
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CodeLabel = xstrdup ("CODE");
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}
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if (DataLabel) {
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fprintf (F, ".export\t\t%s\n", DataLabel);
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} else {
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DataLabel = xstrdup ("DATA");
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}
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if (ZeropageLabel) {
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fprintf (F, ".export\t\t%s\n", ZeropageLabel);
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} else {
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ZeropageLabel = xstrdup ("ZEROPAGE");
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}
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}
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static void ConvertImports (FILE* F, const O65Data* D)
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/* Convert the imports */
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{
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unsigned I;
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if (CollCount (&D->Imports) > 0) {
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for (I = 0; I < CollCount (&D->Imports); ++I) {
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/* Get the next import */
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const O65Import* Import = CollConstAt (&D->Imports, I);
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/* Import it by name */
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fprintf (F, ".import\t%s\n", Import->Name);
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}
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fprintf (F, "\n");
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}
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}
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static void ConvertExports (FILE* F, const O65Data* D)
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/* Convert the exports */
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{
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unsigned I;
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if (CollCount (&D->Exports) > 0) {
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for (I = 0; I < CollCount (&D->Exports); ++I) {
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/* Get the next import */
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const O65Export* Export = CollConstAt (&D->Exports, I);
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/* First define it */
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fprintf (F, "%s = XXX\n", Export->Name); /* ### */
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/* Then export it by name */
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fprintf (F, ".export\t%s\n", Export->Name);
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}
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fprintf (F, "\n");
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}
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}
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static const char* LabelPlusOffs (const char* Label, long Offs)
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/* Generate "Label+xxx" in a static buffer and return a pointer to the buffer */
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{
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static char Buf[256];
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xsprintf (Buf, sizeof (Buf), "%s%+ld", Label, Offs);
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return Buf;
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}
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static const char* RelocExpr (const O65Data* D, const O65Reloc* R, unsigned long Val)
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/* Generate the segment relative relocation expression */
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{
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const O65Import* Import;
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switch (R->SegID) {
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case O65_SEGID_UNDEF:
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if (R->SymIdx >= CollCount (&D->Imports)) {
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Error ("Import index out of range (input file corrupt)");
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}
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Import = CollConstAt (&D->Imports, R->SymIdx);
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return LabelPlusOffs (Import->Name, Val);
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case O65_SEGID_TEXT:
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return LabelPlusOffs (CodeLabel, Val - D->Header.tbase);
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case O65_SEGID_DATA:
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return LabelPlusOffs (DataLabel, Val - D->Header.dbase);
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case O65_SEGID_BSS:
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return LabelPlusOffs (BssLabel, Val - D->Header.bbase);
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case O65_SEGID_ZP:
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return LabelPlusOffs (ZeropageLabel, Val - D->Header.zbase);
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case O65_SEGID_ABS:
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return LabelPlusOffs ("", Val);
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default:
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Internal ("Cannot handle this segment reference in reloc entry");
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}
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/* NOTREACHED */
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return 0;
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}
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static void ConvertSeg (FILE* F, const O65Data* D, const Collection* Relocs,
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const unsigned char* Data, unsigned long Size)
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/* Convert one segment */
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{
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const O65Reloc* R;
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unsigned RIdx;
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unsigned long Byte;
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/* Get the pointer to the first relocation entry if there are any */
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R = (CollCount (Relocs) > 0)? CollConstAt (Relocs, 0) : 0;
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/* Initialize for the loop */
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RIdx = 0;
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Byte = 0;
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/* Walk over the segment data */
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while (Byte < Size) {
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if (R && R->Offs == Byte) {
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/* We've reached an entry that must be relocated */
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unsigned long Val;
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switch (R->Type) {
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case O65_RTYPE_WORD:
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if (Byte >= Size - 1) {
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Error ("Found WORD relocation, but not enough bytes left");
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} else {
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Val = (Data[Byte+1] << 8) + Data[Byte];
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Byte += 2;
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fprintf (F, "\t.word\t%s\n", RelocExpr (D, R, Val));
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}
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break;
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case O65_RTYPE_HIGH:
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Val = (Data[Byte++] << 8) + R->Val;
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fprintf (F, "\t.byte\t>(%s)\n", RelocExpr (D, R, Val));
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break;
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case O65_RTYPE_LOW:
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Val = Data[Byte++];
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fprintf (F, "\t.byte\t<(%s)\n", RelocExpr (D, R, Val));
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break;
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case O65_RTYPE_SEGADDR:
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if (Byte >= Size - 2) {
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Error ("Found SEGADDR relocation, but not enough bytes left");
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} else {
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Val = (((unsigned long) Data[Byte+2]) << 16) +
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(((unsigned long) Data[Byte+1]) << 8) +
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(((unsigned long) Data[Byte+0]) << 0) +
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R->Val;
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Byte += 3;
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fprintf (F, "\t.faraddr\t%s\n", RelocExpr (D, R, Val));
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}
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break;
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case O65_RTYPE_SEG:
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/* FALLTHROUGH for now */
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default:
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Internal ("Cannot handle relocation type %d at %lu",
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R->Type, Byte);
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}
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/* Get the next relocation entry */
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if (++RIdx < CollCount (Relocs)) {
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R = CollConstAt (Relocs, RIdx);
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} else {
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R = 0;
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}
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} else {
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/* Just a constant value */
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fprintf (F, "\t.byte\t$%02X\n", Data[Byte++]);
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}
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}
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fprintf (F, "\n");
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}
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static void ConvertCodeSeg (FILE* F, const O65Data* D)
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/* Do code segment conversion */
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{
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/* Header */
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fprintf (F,
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";\n; CODE SEGMENT\n;\n"
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".segment\t\"%s\"\n"
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"%s:\n",
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CodeSeg,
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CodeLabel);
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/* Segment data */
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ConvertSeg (F, D, &D->TextReloc, D->Text, D->Header.tlen);
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}
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static void ConvertDataSeg (FILE* F, const O65Data* D)
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/* Do data segment conversion */
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{
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/* Header */
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fprintf (F,
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";\n; DATA SEGMENT\n;\n"
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".segment\t\"%s\"\n"
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"%s:\n",
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DataSeg,
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DataLabel);
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/* Segment data */
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ConvertSeg (F, D, &D->DataReloc, D->Data, D->Header.dlen);
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}
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static void ConvertBssSeg (FILE* F, const O65Data* D)
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/* Do bss segment conversion */
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{
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/* Header */
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fprintf (F,
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";\n; BSS SEGMENT\n;\n"
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".segment\t\"%s\"\n"
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"%s:\n",
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BssSeg,
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BssLabel);
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/* Segment data */
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fprintf (F, "\t.res\t%lu\n", D->Header.blen);
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fprintf (F, "\n");
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}
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||||
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||||
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static void ConvertZeropageSeg (FILE* F, const O65Data* D)
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/* Do zeropage segment conversion */
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{
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/* Header */
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fprintf (F, ";\n; ZEROPAGE SEGMENT\n;\n");
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||||
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||||
if (Model == O65_MODEL_CC65_MODULE) {
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/* o65 files of type cc65-module are linked together with a definition
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* file for the zero page, but the zero page is not allocated in the
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* module itself, but the locations are mapped to the zp locations of
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* the main file.
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||||
*/
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fprintf (F, ".import\t__ZP_START__\t\t; Linker generated symbol\n");
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fprintf (F, "%s = __ZP_START__\n", ZeropageLabel);
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||||
} else {
|
||||
/* Header */
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||||
fprintf (F, ".segment\t\"%s\", zeropage\n%s:\n", ZeropageSeg, ZeropageLabel);
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||||
|
||||
/* Segment data */
|
||||
fprintf (F, "\t.res\t%lu\n", D->Header.zlen);
|
||||
}
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||||
fprintf (F, "\n");
|
||||
}
|
||||
|
||||
|
||||
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||||
void Convert (const O65Data* D, const char* OutputFile)
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/* Convert the o65 file in D using the given output file. */
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{
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FILE* F;
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||||
unsigned I;
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||||
char* Author = 0;
|
||||
|
||||
/* For now, we do only accept o65 files generated by the ld65 linker which
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||||
* have a specific format.
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||||
*/
|
||||
if (!Debug && D->Header.mode != O65_MODE_CC65) {
|
||||
Error ("Cannot convert o65 files of this type");
|
||||
}
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||||
|
||||
/* Output statistics */
|
||||
PrintO65Stats (D);
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||||
|
||||
/* Walk through the options and print them if verbose mode is enabled.
|
||||
* Check for a os=cc65 option and bail out if we didn't find one (for
|
||||
* now - later we switch to special handling).
|
||||
*/
|
||||
for (I = 0; I < CollCount (&D->Options); ++I) {
|
||||
|
||||
/* Get the next option */
|
||||
const O65Option* O = CollConstAt (&D->Options, I);
|
||||
|
||||
/* Check the type of the option */
|
||||
switch (O->Type) {
|
||||
|
||||
case O65_OPT_FILENAME:
|
||||
Print (stdout, 1, "O65 filename option: `%s'\n",
|
||||
GetO65OptionText (O));
|
||||
break;
|
||||
|
||||
case O65_OPT_OS:
|
||||
if (O->Len == 2) {
|
||||
Warning ("Operating system option without data found");
|
||||
} else {
|
||||
Print (stdout, 1, "O65 operating system option: `%s'\n",
|
||||
GetO65OSName (O->Data[0]));
|
||||
switch (O->Data[0]) {
|
||||
case O65_OS_CC65_MODULE:
|
||||
if (Model != O65_MODEL_NONE &&
|
||||
Model != O65_MODEL_CC65_MODULE) {
|
||||
Warning ("Wrong o65 model");
|
||||
} else {
|
||||
Model = O65_MODEL_CC65_MODULE;
|
||||
}
|
||||
break;
|
||||
}
|
||||
}
|
||||
break;
|
||||
|
||||
case O65_OPT_ASM:
|
||||
Print (stdout, 1, "O65 assembler option: `%s'\n",
|
||||
GetO65OptionText (O));
|
||||
break;
|
||||
|
||||
case O65_OPT_AUTHOR:
|
||||
if (Author) {
|
||||
xfree (Author);
|
||||
}
|
||||
Author = xstrdup (GetO65OptionText (O));
|
||||
Print (stdout, 1, "O65 author option: `%s'\n", Author);
|
||||
break;
|
||||
|
||||
case O65_OPT_TIMESTAMP:
|
||||
Print (stdout, 1, "O65 timestamp option: `%s'\n",
|
||||
GetO65OptionText (O));
|
||||
break;
|
||||
|
||||
default:
|
||||
Warning ("Found unknown option, type %d, length %d",
|
||||
O->Type, O->Len);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
/* Open the output file */
|
||||
F = fopen (OutputFile, "wb");
|
||||
if (F == 0) {
|
||||
Error ("Cannot open `%s': %s", OutputFile, strerror (errno));
|
||||
}
|
||||
|
||||
/* Create a header */
|
||||
fprintf (F, ";\n; File generated by co65 v %u.%u.%u using model `%s'\n;\n",
|
||||
VER_MAJOR, VER_MINOR, VER_PATCH, GetModelName (Model));
|
||||
|
||||
/* Select the CPU */
|
||||
if ((D->Header.mode & O65_CPU_MASK) == O65_CPU_65816) {
|
||||
fprintf (F, ".p816\n");
|
||||
}
|
||||
|
||||
/* Object file options */
|
||||
fprintf (F, ".fopt\t\tcompiler,\"co65 v %u.%u.%u\"\n",
|
||||
VER_MAJOR, VER_MINOR, VER_PATCH);
|
||||
if (Author) {
|
||||
fprintf (F, ".fopt\t\tauthor, \"%s\"\n", Author);
|
||||
xfree (Author);
|
||||
Author = 0;
|
||||
}
|
||||
|
||||
/* Several other assembler options */
|
||||
fprintf (F, ".case\t\ton\n");
|
||||
fprintf (F, ".debuginfo\t%s\n", (DebugInfo != 0)? "on" : "off");
|
||||
|
||||
/* Setup/export the segment labels */
|
||||
SetupSegLabels (F);
|
||||
|
||||
/* End of header */
|
||||
fprintf (F, "\n");
|
||||
|
||||
/* Imported identifiers */
|
||||
ConvertImports (F, D);
|
||||
|
||||
/* Exported identifiers */
|
||||
ConvertExports (F, D);
|
||||
|
||||
/* Code segment */
|
||||
ConvertCodeSeg (F, D);
|
||||
|
||||
/* Data segment */
|
||||
ConvertDataSeg (F, D);
|
||||
|
||||
/* BSS segment */
|
||||
ConvertBssSeg (F, D);
|
||||
|
||||
/* Zero page segment */
|
||||
ConvertZeropageSeg (F, D);
|
||||
|
||||
/* End of data */
|
||||
fprintf (F, ".end\n");
|
||||
fclose (F);
|
||||
}
|
||||
|
||||
|
||||
|
68
src/co65/convert.h
Normal file
68
src/co65/convert.h
Normal file
@ -0,0 +1,68 @@
|
||||
/*****************************************************************************/
|
||||
/* */
|
||||
/* convert.h */
|
||||
/* */
|
||||
/* Actual conversion routines 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 CONVERT_H
|
||||
#define CONVERT_H
|
||||
|
||||
|
||||
|
||||
/*****************************************************************************/
|
||||
/* Data */
|
||||
/*****************************************************************************/
|
||||
|
||||
|
||||
|
||||
/* Forward definition */
|
||||
struct O65Data;
|
||||
|
||||
|
||||
|
||||
/*****************************************************************************/
|
||||
/* Code */
|
||||
/*****************************************************************************/
|
||||
|
||||
|
||||
|
||||
void Convert (const struct O65Data* D, const char* OutputFile);
|
||||
/* Convert the o65 file in D using the given output file. */
|
||||
|
||||
|
||||
|
||||
/* End of convert.h */
|
||||
|
||||
#endif
|
||||
|
||||
|
||||
|
342
src/co65/main.c
342
src/co65/main.c
@ -42,6 +42,7 @@
|
||||
/* common */
|
||||
#include "chartype.h"
|
||||
#include "cmdline.h"
|
||||
#include "debugflag.h"
|
||||
#include "fname.h"
|
||||
#include "print.h"
|
||||
#include "segnames.h"
|
||||
@ -50,8 +51,10 @@
|
||||
#include "xsprintf.h"
|
||||
|
||||
/* co65 */
|
||||
#include "convert.h"
|
||||
#include "error.h"
|
||||
#include "global.h"
|
||||
#include "model.h"
|
||||
#include "o65.h"
|
||||
|
||||
|
||||
@ -71,6 +74,7 @@ static void Usage (void)
|
||||
" -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"
|
||||
" -m model\t\tOverride the o65 model\n"
|
||||
" -o name\t\tName the output file\n"
|
||||
" -v\t\t\tIncrease verbosity\n"
|
||||
"\n"
|
||||
@ -83,6 +87,7 @@ static void Usage (void)
|
||||
" --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"
|
||||
" --o65-model model\tOverride the o65 model\n"
|
||||
" --verbose\t\tIncrease verbosity\n"
|
||||
" --version\t\tPrint the version number\n"
|
||||
" --zeropage-label name\tDefine and export a ZEROPAGE segment label\n"
|
||||
@ -195,6 +200,15 @@ static void OptDataName (const char* Opt attribute ((unused)), const char* Arg)
|
||||
|
||||
|
||||
|
||||
static void OptDebug (const char* Opt attribute ((unused)),
|
||||
const char* Arg attribute ((unused)))
|
||||
/* Enable debugging code */
|
||||
{
|
||||
++Debug;
|
||||
}
|
||||
|
||||
|
||||
|
||||
static void OptDebugInfo (const char* Opt attribute ((unused)),
|
||||
const char* Arg attribute ((unused)))
|
||||
/* Add debug info to the object file */
|
||||
@ -214,6 +228,18 @@ static void OptHelp (const char* Opt attribute ((unused)),
|
||||
|
||||
|
||||
|
||||
static void OptO65Model (const char* Opt attribute ((unused)), const char* Arg)
|
||||
/* Handle the --o65-model option */
|
||||
{
|
||||
/* Search for the model name */
|
||||
Model = FindModel (Arg);
|
||||
if (Model == O65_MODEL_INVALID) {
|
||||
Error ("Unknown o65 model `%s'", Arg);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
static void OptVerbose (const char* Opt attribute ((unused)),
|
||||
const char* Arg attribute ((unused)))
|
||||
/* Increase verbosity */
|
||||
@ -258,312 +284,18 @@ static void OptZeropageName (const char* Opt attribute ((unused)), const char* A
|
||||
|
||||
|
||||
|
||||
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", CodeLabel, (long) (Val - D->Header.tbase));
|
||||
break;
|
||||
|
||||
case O65_SEGID_DATA:
|
||||
xsprintf (Buf, sizeof (Buf), "%s%+ld", DataLabel, (long) (Val - D->Header.dbase));
|
||||
break;
|
||||
|
||||
case O65_SEGID_BSS:
|
||||
xsprintf (Buf, sizeof (Buf), "%s%+ld", BssLabel, (long) (Val - D->Header.bbase));
|
||||
break;
|
||||
|
||||
case O65_SEGID_ZP:
|
||||
xsprintf (Buf, sizeof (Buf), "%s%+ld", ZeropageLabel, (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:
|
||||
/* FALLTHROUGH for now */
|
||||
default:
|
||||
Internal ("Cannot handle relocation type %d at %lu",
|
||||
R->Type, 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)
|
||||
static void ConvertOneFile (const char* InputFile, const char* OutputFile)
|
||||
/* Do file conversion */
|
||||
{
|
||||
FILE* F;
|
||||
unsigned I;
|
||||
int cc65;
|
||||
char* Author = 0;
|
||||
|
||||
/* Read the o65 file into memory */
|
||||
O65Data* D = ReadO65File (InputName);
|
||||
O65Data* D = ReadO65File (InputFile);
|
||||
|
||||
/* 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");
|
||||
}
|
||||
/* Do the conversion */
|
||||
Convert (D, OutputFile);
|
||||
|
||||
/* Output statistics */
|
||||
Print (stdout, 1, "Size of text segment: %5lu\n", D->Header.tlen);
|
||||
Print (stdout, 1, "Size of data segment: %5lu\n", D->Header.dlen);
|
||||
Print (stdout, 1, "Size of bss segment: %5lu\n", D->Header.blen);
|
||||
Print (stdout, 1, "Size of zeropage segment: %5lu\n", D->Header.zlen);
|
||||
Print (stdout, 1, "Number of imports: %5u\n", CollCount (&D->Imports));
|
||||
Print (stdout, 1, "Number of exports: %5u\n", CollCount (&D->Exports));
|
||||
Print (stdout, 1, "Number of text segment relocations: %5u\n", CollCount (&D->TextReloc));
|
||||
Print (stdout, 1, "Number of data segment relocations: %5u\n", CollCount (&D->DataReloc));
|
||||
/* Free the o65 module data */
|
||||
/* ### */
|
||||
|
||||
/* Walk through the options and print them if verbose mode is enabled.
|
||||
* Check for a os=cc65 option and bail out if we didn't find one (for
|
||||
* now - later we switch to special handling).
|
||||
*/
|
||||
cc65 = 0;
|
||||
for (I = 0; I < CollCount (&D->Options); ++I) {
|
||||
|
||||
/* Get the next option */
|
||||
const O65Option* O = CollConstAt (&D->Options, I);
|
||||
|
||||
/* Check the type */
|
||||
switch (O->Type) {
|
||||
case O65_OPT_FILENAME:
|
||||
Print (stdout, 1, "O65 filename option: `%s'\n",
|
||||
GetO65OptionText (O));
|
||||
break;
|
||||
case O65_OPT_OS:
|
||||
if (O->Len == 2) {
|
||||
Warning ("Operating system option without data found");
|
||||
} else {
|
||||
cc65 = (O->Data[0] == O65_OS_CC65_MODULE);
|
||||
Print (stdout, 1, "O65 operating system option: `%s'\n",
|
||||
GetO65OSName (O->Data[0]));
|
||||
}
|
||||
break;
|
||||
case O65_OPT_ASM:
|
||||
Print (stdout, 1, "O65 assembler option: `%s'\n",
|
||||
GetO65OptionText (O));
|
||||
break;
|
||||
case O65_OPT_AUTHOR:
|
||||
if (Author) {
|
||||
xfree (Author);
|
||||
}
|
||||
Author = xstrdup (GetO65OptionText (O));
|
||||
Print (stdout, 1, "O65 author option: `%s'\n", Author);
|
||||
break;
|
||||
case O65_OPT_TIMESTAMP:
|
||||
Print (stdout, 1, "O65 timestamp option: `%s'\n",
|
||||
GetO65OptionText (O));
|
||||
break;
|
||||
default:
|
||||
Warning ("Found unknown option, type %d, length %d",
|
||||
O->Type, O->Len);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
/* Open the output file */
|
||||
F = fopen (OutputName, "wb");
|
||||
if (F == 0) {
|
||||
Error ("Cannot open `%s': %s", OutputName, strerror (errno));
|
||||
}
|
||||
|
||||
/* Create a header */
|
||||
fprintf (F, ";\n; File generated by co65 v %u.%u.%u\n;\n",
|
||||
VER_MAJOR, VER_MINOR, VER_PATCH);
|
||||
|
||||
/* Select the CPU */
|
||||
if ((D->Header.mode & O65_CPU_MASK) == O65_CPU_65816) {
|
||||
fprintf (F, "\t.p816\n");
|
||||
}
|
||||
|
||||
/* Object file options */
|
||||
fprintf (F, "\t.fopt\t\tcompiler,\"co65 v %u.%u.%u\"\n",
|
||||
VER_MAJOR, VER_MINOR, VER_PATCH);
|
||||
if (Author) {
|
||||
fprintf (F, "\t.fopt\t\tauthor, \"%s\"\n", Author);
|
||||
xfree (Author);
|
||||
Author = 0;
|
||||
}
|
||||
|
||||
/* Several other assembler options */
|
||||
fprintf (F, "\t.case\t\ton\n");
|
||||
fprintf (F, "\t.debuginfo\t%s\n", (DebugInfo != 0)? "on" : "off");
|
||||
|
||||
/* Setup/export the segment labels */
|
||||
if (BssLabel) {
|
||||
fprintf (F, "\t.export\t\t%s\n", BssLabel);
|
||||
} else {
|
||||
BssLabel = xstrdup ("__BSS__");
|
||||
}
|
||||
if (CodeLabel) {
|
||||
fprintf (F, "\t.export\t\t%s\n", CodeLabel);
|
||||
} else {
|
||||
CodeLabel = xstrdup ("__CODE__");
|
||||
}
|
||||
if (DataLabel) {
|
||||
fprintf (F, "\t.export\t\t%s\n", DataLabel);
|
||||
} else {
|
||||
DataLabel = xstrdup ("__DATA__");
|
||||
}
|
||||
if (ZeropageLabel) {
|
||||
fprintf (F, "\t.export\t\t%s\n", ZeropageLabel);
|
||||
} else {
|
||||
/* If this is a cc65 module, override the name for the zeropage segment */
|
||||
if (cc65) {
|
||||
ZeropageLabel = "__ZP_START__";
|
||||
fprintf (F, "\t.import\t\t__ZP_START__\t; Linker generated symbol\n");
|
||||
} else {
|
||||
ZeropageLabel = xstrdup ("__ZEROPAGE__");
|
||||
}
|
||||
}
|
||||
|
||||
/* End of header */
|
||||
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);
|
||||
|
||||
/* First define it */
|
||||
fprintf (F, "%s = XXX\n", Export->Name); /* ### */
|
||||
|
||||
/* The export 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", CodeLabel);
|
||||
ConvertSeg (F, D, &D->TextReloc, D->Text, D->Header.tlen);
|
||||
|
||||
/* Data segment */
|
||||
fprintf (F, ".segment\t\"%s\"\n", DataSeg);
|
||||
fprintf (F, "%s:\n", DataLabel);
|
||||
ConvertSeg (F, D, &D->DataReloc, D->Data, D->Header.dlen);
|
||||
|
||||
/* BSS segment */
|
||||
fprintf (F, ".segment\t\"%s\"\n", BssSeg);
|
||||
fprintf (F, "%s:\n", BssLabel);
|
||||
fprintf (F, "\t.res\t%lu\n", D->Header.blen);
|
||||
fprintf (F, "\n");
|
||||
|
||||
fprintf (F, "\t.end\n");
|
||||
fclose (F);
|
||||
}
|
||||
|
||||
|
||||
@ -579,8 +311,10 @@ int main (int argc, char* argv [])
|
||||
{ "--code-name", 1, OptCodeName },
|
||||
{ "--data-label", 1, OptDataLabel },
|
||||
{ "--data-name", 1, OptDataName },
|
||||
{ "--debug", 0, OptDebug },
|
||||
{ "--debug-info", 0, OptDebugInfo },
|
||||
{ "--help", 0, OptHelp },
|
||||
{ "--help", 0, OptHelp },
|
||||
{ "--o65-model", 1, OptO65Model },
|
||||
{ "--verbose", 0, OptVerbose },
|
||||
{ "--version", 0, OptVersion },
|
||||
{ "--zeropage-label", 1, OptZeropageLabel },
|
||||
@ -615,6 +349,10 @@ int main (int argc, char* argv [])
|
||||
OptHelp (Arg, 0);
|
||||
break;
|
||||
|
||||
case 'm':
|
||||
OptO65Model (Arg, GetArg (&I, 2));
|
||||
break;
|
||||
|
||||
case 'o':
|
||||
OutputName = GetArg (&I, 2);
|
||||
break;
|
||||
@ -656,7 +394,7 @@ int main (int argc, char* argv [])
|
||||
}
|
||||
|
||||
/* Do the conversion */
|
||||
Convert ();
|
||||
ConvertOneFile (InputName, OutputName);
|
||||
|
||||
/* Return an apropriate exit code */
|
||||
return EXIT_SUCCESS;
|
||||
|
@ -10,10 +10,12 @@ CC = gcc
|
||||
EBIND = emxbind
|
||||
LDFLAGS =
|
||||
|
||||
OBJS = error.o \
|
||||
OBJS = convert.o \
|
||||
error.o \
|
||||
fileio.o \
|
||||
global.o \
|
||||
main.o \
|
||||
model.o \
|
||||
o65.o
|
||||
|
||||
LIBS = $(COMMON)/common.a
|
||||
|
@ -43,10 +43,12 @@ CFLAGS += -i=..\common
|
||||
# ------------------------------------------------------------------------------
|
||||
# All library OBJ files
|
||||
|
||||
OBJS = error.obj \
|
||||
OBJS = convert.obj \
|
||||
error.obj \
|
||||
fileio.obj \
|
||||
global.obj \
|
||||
main.obj \
|
||||
model.obj \
|
||||
o65.obj
|
||||
|
||||
LIBS = ..\common\common.lib
|
||||
|
94
src/co65/model.c
Normal file
94
src/co65/model.c
Normal file
@ -0,0 +1,94 @@
|
||||
/*****************************************************************************/
|
||||
/* */
|
||||
/* model.c */
|
||||
/* */
|
||||
/* o65 model definitions 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 "strutil.h"
|
||||
|
||||
/* co65 */
|
||||
#include "error.h"
|
||||
#include "model.h"
|
||||
|
||||
|
||||
|
||||
/*****************************************************************************/
|
||||
/* Data */
|
||||
/*****************************************************************************/
|
||||
|
||||
|
||||
|
||||
/* Current model */
|
||||
O65Model Model = O65_MODEL_NONE;
|
||||
|
||||
/* Name table */
|
||||
static const char* NameTable[O65_MODEL_COUNT] = {
|
||||
"none",
|
||||
"cc65-module"
|
||||
};
|
||||
|
||||
|
||||
|
||||
/*****************************************************************************/
|
||||
/* Code */
|
||||
/*****************************************************************************/
|
||||
|
||||
|
||||
|
||||
const char* GetModelName (O65Model M)
|
||||
/* Map the model to its name. */
|
||||
{
|
||||
if (M < 0 || M >= O65_MODEL_COUNT) {
|
||||
Internal ("O65 Model %d not found", M);
|
||||
}
|
||||
return NameTable[M];
|
||||
}
|
||||
|
||||
|
||||
|
||||
O65Model FindModel (const char* ModelName)
|
||||
/* Map a model name to its identifier. Return O65_MODEL_INVALID if the name
|
||||
* could not be found. Case is ignored when comparing names.
|
||||
*/
|
||||
{
|
||||
O65Model M;
|
||||
for (M = O65_MODEL_NONE; M < O65_MODEL_COUNT; ++M) {
|
||||
if (StrCaseCmp (ModelName, NameTable[M]) == 0) {
|
||||
return M;
|
||||
}
|
||||
}
|
||||
return O65_MODEL_INVALID;
|
||||
}
|
||||
|
||||
|
||||
|
84
src/co65/model.h
Normal file
84
src/co65/model.h
Normal file
@ -0,0 +1,84 @@
|
||||
/*****************************************************************************/
|
||||
/* */
|
||||
/* model.h */
|
||||
/* */
|
||||
/* o65 model definitions 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 MODEL_H
|
||||
#define MODEL_H
|
||||
|
||||
|
||||
|
||||
/*****************************************************************************/
|
||||
/* Data */
|
||||
/*****************************************************************************/
|
||||
|
||||
|
||||
|
||||
/* Supported models */
|
||||
typedef enum {
|
||||
O65_MODEL_INVALID = -1, /* Invalid model */
|
||||
O65_MODEL_NONE, /* No model given */
|
||||
O65_MODEL_CC65_MODULE,
|
||||
|
||||
O65_MODEL_COUNT /* Number of available models */
|
||||
} O65Model;
|
||||
|
||||
|
||||
|
||||
/* Current model */
|
||||
extern O65Model Model;
|
||||
|
||||
|
||||
|
||||
/*****************************************************************************/
|
||||
/* Code */
|
||||
/*****************************************************************************/
|
||||
|
||||
|
||||
|
||||
const char* GetModelName (O65Model M);
|
||||
/* Map the model to its name. */
|
||||
|
||||
O65Model FindModel (const char* ModelName);
|
||||
/* Map a model name to its identifier. Return O65_MODEL_INVALID if the name
|
||||
* could not be found. Case is ignored when comparing names.
|
||||
*/
|
||||
|
||||
|
||||
|
||||
/* End of model.h */
|
||||
|
||||
#endif
|
||||
|
||||
|
||||
|
@ -60,7 +60,8 @@
|
||||
|
||||
|
||||
/* Define a structure for the o65 file header */
|
||||
typedef struct {
|
||||
typedef struct O65Header O65Header;
|
||||
struct O65Header {
|
||||
char marker[2]; /* Non-C64 marker */
|
||||
char magic[3]; /* o65 magic */
|
||||
char version; /* Version number */
|
||||
@ -74,38 +75,43 @@ typedef struct {
|
||||
unsigned long zbase; /* Original zp segment address */
|
||||
unsigned long zlen; /* Size of zp segment */
|
||||
unsigned long stack; /* Stacksize needed */
|
||||
} O65Header;
|
||||
};
|
||||
|
||||
/* o65 option */
|
||||
typedef struct {
|
||||
typedef struct O65Option O65Option;
|
||||
struct O65Option {
|
||||
unsigned char Len; /* Option length */
|
||||
unsigned char Type; /* Option type */
|
||||
unsigned char Data[1]; /* Option data (dynamically allocated) */
|
||||
} O65Option;
|
||||
};
|
||||
|
||||
/* o65 relocation entry */
|
||||
typedef struct {
|
||||
typedef struct O65Reloc O65Reloc;
|
||||
struct O65Reloc {
|
||||
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 {
|
||||
typedef struct O65Import O65Import;
|
||||
struct O65Import {
|
||||
char Name[1]; /* Name of the import (dynamically allocated) */
|
||||
} O65Import;
|
||||
};
|
||||
|
||||
/* o65 export */
|
||||
typedef struct {
|
||||
typedef struct O65Export O65Export;
|
||||
struct O65Export {
|
||||
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 {
|
||||
typedef struct O65Data O65Data;
|
||||
struct O65Data {
|
||||
O65Header Header; /* File header */
|
||||
Collection Options; /* O65 options */
|
||||
unsigned char* Text; /* Text segment data (unrelocated) */
|
||||
@ -114,7 +120,7 @@ typedef struct {
|
||||
Collection DataReloc; /* Relocation entries for the data segment */
|
||||
Collection Imports; /* Imported symbols */
|
||||
Collection Exports; /* Exported symbols */
|
||||
} O65Data;
|
||||
};
|
||||
|
||||
|
||||
|
||||
|
Loading…
Reference in New Issue
Block a user