/*****************************************************************************/
/* */
-/* main.c */
+/* main.c */
/* */
-/* Main program for the da65 disassembler */
+/* Main program for the da65 disassembler */
/* */
/* */
/* */
-/* (C) 1998-2007 Ullrich von Bassewitz */
-/* Roemerstrasse 52 */
-/* D-70794 Filderstadt */
-/* EMail: uz@cc65.org */
+/* (C) 1998-2014, Ullrich von Bassewitz */
+/* Roemerstrasse 52 */
+/* D-70794 Filderstadt */
+/* EMail: uz@cc65.org */
/* */
/* */
/* This software is provided 'as-is', without any expressed or implied */
#include "opctable.h"
#include "output.h"
#include "scanner.h"
+#include "segment.h"
/*****************************************************************************/
-/* Code */
+/* Code */
/*****************************************************************************/
" -v\t\t\tIncrease verbosity\n"
" -F\t\t\tAdd formfeeds to the output\n"
" -S addr\t\tSet the start/load address\n"
+ " -s\t\t\tAccept line markers in the info file\n"
" -V\t\t\tPrint the disassembler version\n"
"\n"
"Long options:\n"
" --mnemonic-column n\tSpecify mnemonic start column\n"
" --pagelength n\tSet the page length for the listing\n"
" --start-addr addr\tSet the start/load address\n"
+ " --sync-lines\t\tAccept line markers in the info file\n"
" --text-column n\tSpecify text start column\n"
" --verbose\t\tIncrease verbosity\n"
" --version\t\tPrint the disassembler version\n",
static void RangeCheck (const char* Opt, unsigned long Val,
unsigned long Min, unsigned long Max)
/* Do a range check for the given option and abort if there's a range
- * error.
- */
+** error.
+*/
{
if (Val < Min || Val > Max) {
Error ("Argument for %s outside valid range (%ld-%ld)", Opt, Min, Max);
static unsigned long CvtNumber (const char* Arg, const char* Number)
/* Convert a number from a string. Allow '$' and '0x' prefixes for hex
- * numbers.
- */
+** numbers.
+*/
{
unsigned long Val;
- int Converted;
+ int Converted;
char BoundsCheck;
/* Convert */
if (*Number == '$') {
- ++Number;
- Converted = sscanf (Number, "%lx%c", &Val, &BoundsCheck);
+ ++Number;
+ Converted = sscanf (Number, "%lx%c", &Val, &BoundsCheck);
} else {
- Converted = sscanf (Number, "%li%c", (long*)&Val, &BoundsCheck);
+ Converted = sscanf (Number, "%li%c", (long*)&Val, &BoundsCheck);
}
/* Check if we do really have a number */
if (Converted != 1) {
- Error ("Invalid number given in argument: %s\n", Arg);
+ Error ("Invalid number given in argument: %s\n", Arg);
}
/* Return the result */
static void OptDebugInfo (const char* Opt attribute ((unused)),
- const char* Arg attribute ((unused)))
+ const char* Arg attribute ((unused)))
/* Add debug info to the object file */
{
DebugInfo = 1;
static void OptFormFeeds (const char* Opt attribute ((unused)),
- const char* Arg attribute ((unused)))
+ const char* Arg attribute ((unused)))
/* Add form feeds to the output */
{
FormFeeds = 1;
static void OptHelp (const char* Opt attribute ((unused)),
- const char* Arg attribute ((unused)))
+ const char* Arg attribute ((unused)))
/* Print usage information and exit */
{
Usage ();
static void OptHexOffs (const char* Opt attribute ((unused)),
- const char* Arg attribute ((unused)))
+ const char* Arg attribute ((unused)))
/* Handle the --hexoffs option */
{
UseHexOffs = 1;
+static void OptSyncLines (const char* Opt attribute ((unused)),
+ const char* Arg attribute ((unused)))
+/* Handle the --sync-lines option */
+{
+ SyncLines = 1;
+}
+
+
+
static void OptTextColumn (const char* Opt, const char* Arg)
/* Handle the --text-column option */
{
static void OptVerbose (const char* Opt attribute ((unused)),
- const char* Arg attribute ((unused)))
+ const char* Arg attribute ((unused)))
/* Increase verbosity */
{
++Verbosity;
static void OptVersion (const char* Opt attribute ((unused)),
- const char* Arg attribute ((unused)))
+ const char* Arg attribute ((unused)))
/* Print the disassembler version */
{
- fprintf (stderr,
- "da65 V%u.%u.%u - (C) Copyright 2000-2006, Ullrich von Bassewitz\n",
- VER_MAJOR, VER_MINOR, VER_PATCH);
+ fprintf (stderr, "%s V%s\n", ProgName, GetVersionAsString ());
+ exit(EXIT_SUCCESS);
}
static void OneOpcode (unsigned RemainingBytes)
/* Disassemble one opcode */
{
+ unsigned I;
+ unsigned OldPC = PC;
+
/* Get the opcode from the current address */
unsigned char OPC = GetCodeByte (PC);
/* Get the output style for the current PC */
attr_t Style = GetStyleAttr (PC);
+ /* If a segment begins here, then name that segment.
+ ** Note that the segment is named even if its code is being skipped,
+ ** because some of its later code might not be skipped.
+ */
+ if (IsSegmentStart (PC)) {
+ StartSegment (GetSegmentStartName (PC), GetSegmentAddrSize (PC));
+ }
+
/* If we have a label at this address, output the label and an attached
- * comment, provided that we aren't in a skip area.
- */
+ ** comment, provided that we aren't in a skip area.
+ */
if (Style != atSkip && MustDefLabel (PC)) {
const char* Comment = GetComment (PC);
if (Comment) {
UserComment (Comment);
}
- DefLabel (GetLabelName (PC));
+ DefLabel (GetLabelName (PC));
}
/* Check...
- * - ...if we have enough bytes remaining for the code at this address.
- * - ...if the current instruction is valid for the given CPU.
- * - ...if there is no label somewhere between the instruction bytes.
- * If any of these conditions is false, switch to data mode.
- */
+ ** - ...if we have enough bytes remaining for the code at this address.
+ ** - ...if the current instruction is valid for the given CPU.
+ ** - ...if there is no label somewhere between the instruction bytes.
+ ** - ...if there is no segment change between the instruction bytes.
+ ** If any one of those conditions is false, switch to data mode.
+ */
if (Style == atDefault) {
- if (D->Size > RemainingBytes) {
- Style = atIllegal;
- MarkAddr (PC, Style);
- } else if (D->Flags & flIllegal) {
- Style = atIllegal;
- MarkAddr (PC, Style);
- } else {
- unsigned I;
- for (I = 1; I < D->Size; ++I) {
- if (HaveLabel (PC+I) || HaveSegmentChange (PC+I)) {
- Style = atIllegal;
- MarkAddr (PC, Style);
- break;
- }
- }
- }
+ if (D->Size > RemainingBytes) {
+ Style = atIllegal;
+ MarkAddr (PC, Style);
+ } else if (D->Flags & flIllegal) {
+ Style = atIllegal;
+ MarkAddr (PC, Style);
+ } else {
+ for (I = PC + D->Size; --I > PC; ) {
+ if (HaveLabel (I) || IsSegmentStart (I)) {
+ Style = atIllegal;
+ MarkAddr (PC, Style);
+ break;
+ }
+ }
+ for (I = 0; I < D->Size - 1u; ++I) {
+ if (IsSegmentEnd (PC + I)) {
+ Style = atIllegal;
+ MarkAddr (PC, Style);
+ break;
+ }
+ }
+ }
}
/* Disassemble the line */
switch (Style) {
- case atDefault:
- D->Handler (D);
- PC += D->Size;
- break;
+ case atDefault:
+ D->Handler (D);
+ PC += D->Size;
+ break;
- case atCode:
+ case atCode:
/* Beware: If we don't have enough bytes left to disassemble the
- * following insn, fall through to byte mode.
- */
+ ** following insn, fall through to byte mode.
+ */
if (D->Size <= RemainingBytes) {
/* Output labels within the next insn */
- ForwardLabels (D->Size);
+ for (I = 1; I < D->Size; ++I) {
+ ForwardLabel (I);
+ }
/* Output the insn */
D->Handler (D);
PC += D->Size;
}
/* FALLTHROUGH */
- case atByteTab:
- ByteTable ();
- break;
+ case atByteTab:
+ ByteTable ();
+ break;
case atDByteTab:
DByteTable ();
break;
- case atWordTab:
- WordTable ();
- break;
+ case atWordTab:
+ WordTable ();
+ break;
- case atDWordTab:
- DWordTable ();
- break;
+ case atDWordTab:
+ DWordTable ();
+ break;
- case atAddrTab:
- AddrTable ();
- break;
+ case atAddrTab:
+ AddrTable ();
+ break;
- case atRtsTab:
- RtsTable ();
- break;
+ case atRtsTab:
+ RtsTable ();
+ break;
- case atTextTab:
- TextTable ();
- break;
+ case atTextTab:
+ TextTable ();
+ break;
case atSkip:
++PC;
break;
- default:
- DataByteLine (1);
- ++PC;
- break;
+ default:
+ DataByteLine (1);
+ ++PC;
+ break;
+ }
+ /* Change back to the default CODE segment if
+ ** a named segment stops at the current address.
+ */
+ for (I = PC - OldPC; I > 0; --I) {
+ if (IsSegmentEnd (PC - I)) {
+ EndSegment ();
+ break;
+ }
}
}
/* Disassemble until nothing left */
while ((Count = GetRemainingBytes()) > 0) {
- OneOpcode (Count);
+ OneOpcode (Count);
}
}
{ "--bytes-per-line", 1, OptBytesPerLine },
{ "--comment-column", 1, OptCommentColumn },
{ "--comments", 1, OptComments },
- { "--cpu", 1, OptCPU },
- { "--debug-info", 0, OptDebugInfo },
- { "--formfeeds", 0, OptFormFeeds },
- { "--help", 0, OptHelp },
- { "--hexoffs", 0, OptHexOffs },
- { "--info", 1, OptInfo },
+ { "--cpu", 1, OptCPU },
+ { "--debug-info", 0, OptDebugInfo },
+ { "--formfeeds", 0, OptFormFeeds },
+ { "--help", 0, OptHelp },
+ { "--hexoffs", 0, OptHexOffs },
+ { "--info", 1, OptInfo },
{ "--label-break", 1, OptLabelBreak },
{ "--mnemonic-column", 1, OptMnemonicColumn },
- { "--pagelength", 1, OptPageLength },
- { "--start-addr", 1, OptStartAddr },
+ { "--pagelength", 1, OptPageLength },
+ { "--start-addr", 1, OptStartAddr },
+ { "--sync-lines", 0, OptSyncLines },
{ "--text-column", 1, OptTextColumn },
- { "--verbose", 0, OptVerbose },
- { "--version", 0, OptVersion },
+ { "--verbose", 0, OptVerbose },
+ { "--version", 0, OptVersion },
};
unsigned I;
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 'i':
- OptInfo (Arg, GetArg (&I, 2));
- break;
-
- case 'o':
- OutFile = GetArg (&I, 2);
- break;
-
- case 'v':
- OptVerbose (Arg, 0);
- break;
-
- case 'S':
- OptStartAddr (Arg, GetArg (&I, 2));
- break;
-
- case 'V':
- OptVersion (Arg, 0);
- break;
-
- default:
- UnknownOption (Arg);
- break;
-
- }
- } else {
- /* Filename. Check if we already had one */
- if (InFile) {
- fprintf (stderr, "%s: Don't know what to do with `%s'\n",
- ProgName, Arg);
- exit (EXIT_FAILURE);
- } else {
- InFile = Arg;
- }
- }
-
- /* Next argument */
- ++I;
+ /* 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 'i':
+ OptInfo (Arg, GetArg (&I, 2));
+ break;
+
+ case 'o':
+ OutFile = GetArg (&I, 2);
+ break;
+
+ case 'v':
+ OptVerbose (Arg, 0);
+ break;
+
+ case 'S':
+ OptStartAddr (Arg, GetArg (&I, 2));
+ break;
+
+ case 's':
+ OptSyncLines (Arg, 0);
+ break;
+
+ case 'V':
+ OptVersion (Arg, 0);
+ break;
+
+ default:
+ UnknownOption (Arg);
+ break;
+
+ }
+ } else {
+ /* Filename. Check if we already had one */
+ if (InFile) {
+ fprintf (stderr, "%s: Don't know what to do with `%s'\n",
+ ProgName, Arg);
+ exit (EXIT_FAILURE);
+ } else {
+ InFile = Arg;
+ }
+ }
+
+ /* Next argument */
+ ++I;
}
/* Try to read the info file */
/* Must have an input file */
if (InFile == 0) {
- AbEnd ("No input file");
+ AbEnd ("No input file");
}
/* Check the formatting options for reasonable values. Note: We will not
- * really check that they make sense, just that they aren't complete
- * garbage.
- */
+ ** really check that they make sense, just that they aren't complete
+ ** garbage.
+ */
if (MCol >= ACol) {
AbEnd ("mnemonic-column value must be smaller than argument-column value");
}
}
/* Get the current time and convert it to string so it can be used in
- * the output page headers.
- */
+ ** the output page headers.
+ */
T = time (0);
strftime (Now, sizeof (Now), "%Y-%m-%d %H:%M:%S", localtime (&T));
/* Done */
return EXIT_SUCCESS;
}
-
-
-