// Function prototypes
-void mksect(int, WORD);
-void switchsect(int);
+void MakeSection(int, WORD);
+void SwitchSection(int);
// Section descriptors
SECT sect[NSECTS]; // All sections...
// Cleanup all sections
for(i=0; i<NSECTS; i++)
- mksect(i, 0);
+ MakeSection(i, 0);
// Construct default sections, make TEXT the current section
- mksect(ABS, SUSED | SABS | SBSS); // ABS
- mksect(TEXT, SUSED | TEXT ); // TEXT
- mksect(DATA, SUSED | DATA ); // DATA
- mksect(BSS, SUSED | BSS | SBSS ); // BSS
-// mksect(M6502, SUSED | TEXT ); // 6502 code section
+ MakeSection(ABS, SUSED | SABS | SBSS); // ABS
+ MakeSection(TEXT, SUSED | TEXT ); // TEXT
+ MakeSection(DATA, SUSED | DATA ); // DATA
+ MakeSection(BSS, SUSED | BSS | SBSS); // BSS
+// MakeSection(M6502, SUSED | TEXT ); // 6502 code section
- switchsect(TEXT); // Switch to TEXT for starters
+ SwitchSection(TEXT); // Switch to TEXT for starters
}
//
// Make a New (Clean) Section
//
-void mksect(int sno, WORD attr)
+void MakeSection(int sno, WORD attr)
{
SECT * p = §[sno];
p->scattr = attr;
//
-// Switch to Another Section (Copy Section & Chunk Descriptors to Global Vars
-// for Fast Access)
+// Switch to another section (copy section & chunk descriptors to global vars
+// for fast access)
//
-void switchsect(int sno)
+void SwitchSection(int sno)
{
CHUNK * cp; // Chunk pointer
cursect = sno;
//
-// Save Current Section
+// Save current section
//
-void savsect(void)
+void SaveSection(void)
{
SECT * p = §[cursect];
//
// Arrange for a fixup on a location
//
-int fixup(WORD attr, LONG loc, TOKEN * fexpr)
+int AddFixup(WORD attr, LONG loc, TOKEN * fexpr)
{
LONG i;
LONG len = 0;
CHUNK * cp;
SECT * p;
// Shamus: Expression lengths are voodoo ATM (variable "i"). Need to fix this.
-#warning "!!! fixup() is filled with VOODOO !!!"
+#warning "!!! AddFixup() is filled with VOODOO !!!"
DEBUG printf("FIXUP@$%X: $%X\n", loc, attr);
// Compute length of expression (could be faster); determine if it's the
{
// Just a single symbol
// SCPCD : correct bit mask for attr (else other FU_xxx will match) NYAN !
- if ((attr & 0x0F00) == FU_JR)
+ if ((attr & FUMASKRISC) == FU_JR)
{
// i = 18;
// i = FIXUP_BASE_SIZE + (sizeof(LONG) * 2);
}
// SCPCD : correct bit mask for attr (else other FU_xxx will match) NYAN !
- if ((attr & 0x0F00) == FU_JR)
+ if ((attr & FUMASKRISC) == FU_JR)
{
if (orgactive)
*fchptr.lp++ = orgaddr;
DEBUG printf("Resolving DATA sections...\n");
ResolveFixups(DATA);
-//No, no we don't.
-#if 0
- // We need to do a final check of forward 'jump' destination addresses that
- // are external
- for(i=0; i<MAXFWDJUMPS; i++)
- {
- if (fwdjump[i])
- {
- err_setup();
- sprintf(buf, "* \'jump\' at $%08X - destination address is external to this source file and cannot have its aligment validated", fwdjump[i]);
-
- if (listing > 0)
- ship_ln(buf);
-
- if (err_flag)
- write(err_fd, buf, (LONG)strlen(buf));
- else
- printf("%s\n", buf);
- }
- }
-#endif
-
return 0;
}
if (ch == NULL)
return 0;
- CHUNK * cch = sc->sfcode; // "cache" first chunk
+ // "Cache" first chunk
+ CHUNK * cch = sc->sfcode;
- if (cch == NULL) // Can't fixup a sect with nothing in it
+ // Can't fixup a sect with nothing in it
+ if (cch == NULL)
return 0;
do
if (cch == NULL)
{
- interror(7); // Fixup (loc) out of range
+ // Fixup (loc) out of range
+ interror(7);
// NOTREACHED
}
}
// If the expression is undefined and no external symbol is
// involved, then it's an error.
- if (!(eattr & DEFINED) && esym == NULL)
+ if (!(eattr & DEFINED) && (esym == NULL))
{
error(undef_error);
continue;
}
- if (((w & 0x0F00) == FU_MOVEI) && esym)
+// It seems that this is completely unnecessary!
+#if 0
+ if (((w & FUMASKRISC) == FU_MOVEI) && esym)
+//{
+//printf("DoFixups: Setting symbol attre to RISCSYM...\n");
esym->sattre |= RISCSYM;
+//}
+#endif
// Do the fixup
//
// the word could be unaligned in the section buffer, so we have to
// be careful.
case FU_WORD:
- if ((w & 0x0F00) == FU_JR)// || ((w & 0x0F00) == FU_MJR))
+ if ((w & FUMASKRISC) == FU_JR)// || ((w & 0x0F00) == FU_MJR))
{
oaddr = *fup.lp++;
break;
}
- if ((w & 0x0F00) == FU_NUM15)
+ if ((w & FUMASKRISC) == FU_NUM15)
{
if (eval < -16 || eval > 15)
{
break;
}
- if ((w & 0x0F00) == FU_NUM31)
+ if ((w & FUMASKRISC) == FU_NUM31)
{
if (eval < 0 || eval > 31)
{
break;
}
- if ((w & 0x0F00) == FU_NUM32)
+ if ((w & FUMASKRISC) == FU_NUM32)
{
if (eval < 1 || eval > 32)
{
break;
}
- if ((w & 0x0F00) == FU_REGONE)
+ if ((w & FUMASKRISC) == FU_REGONE)
{
if (eval < 0 || eval > 31)
{
break;
}
- if ((w & 0x0F00) == FU_REGTWO)
+ if ((w & FUMASKRISC) == FU_REGTWO)
{
if (eval < 0 || eval > 31)
{
// the long could be unaligned in the section buffer, so be careful
// (again).
case FU_LONG:
- if ((w & 0x0F00) == FU_MOVEI)
+ if ((w & FUMASKRISC) == FU_MOVEI)
{
#if 0
address = loc + 4;
}
#endif
+ // Long constant in MOVEI # is word-swapped, so fix it here
eval = ((eval >> 16) & 0x0000FFFF) | ((eval << 16) & 0xFFFF0000);
flags = (MLONG | MMOVEI);
}
projects / rmac / blobdiff