#include "listing.h"
// Section descriptors
-SECT sect[NSECTS]; // All sections...
-int cursect; // Current section number
-
-// These are copied from the section descriptor, the current code chunk descriptor and the current
-// fixup chunk descriptor when a switch is made into a section. They are copied back to the
-// descriptors when the section is left.
-WORD scattr; // Section attributes
-LONG sloc; // Current loc in section
-
-CHUNK * scode; // Current (last) code chunk
-LONG challoc; // #bytes alloc'd to code chunk
-LONG ch_size; // #bytes used in code chunk
-char * chptr; // Deposit point in code chunk buffer
-
-CHUNK * sfix; // Current (last) fixup chunk
-LONG fchalloc; // #bytes alloc'd to fixup chunk
-LONG fchsize; // #bytes used in fixup chunk
-PTR fchptr; // Deposit point in fixup chunk buffer
-
-unsigned fwdjump[MAXFWDJUMPS]; // forward jump check table
-unsigned fwindex = 0; // forward jump index
-
-// Return a size (SIZB, SIZW, SIZL) or 0, depending on what kind of fixup is associated
-// with a location.
+SECT sect[NSECTS]; // All sections...
+int cursect; // Current section number
+
+// These are copied from the section descriptor, the current code chunk
+// descriptor and the current fixup chunk descriptor when a switch is made into
+// a section. They are copied back to the descriptors when the section is left.
+WORD scattr; // Section attributes
+LONG sloc; // Current loc in section
+
+CHUNK * scode; // Current (last) code chunk
+LONG challoc; // # bytes alloc'd to code chunk
+LONG ch_size; // # bytes used in code chunk
+char * chptr; // Deposit point in code chunk buffer
+
+CHUNK * sfix; // Current (last) fixup chunk
+LONG fchalloc; // # bytes alloc'd to fixup chunk
+LONG fchsize; // # bytes used in fixup chunk
+PTR fchptr; // Deposit point in fixup chunk buffer
+
+unsigned fwdjump[MAXFWDJUMPS]; // forward jump check table
+unsigned fwindex = 0; // forward jump index
+
+// Return a size (SIZB, SIZW, SIZL) or 0, depending on what kind of fixup is
+// associated with a location.
static char fusiztab[] = {
- 0, // FU_QUICK
- 1, // FU_BYTE
- 2, // FU_WORD
- 2, // FU_WBYTE
- 4, // FU_LONG
- 1, // FU_BBRA
- 0, // (unused)
- 1, // FU_6BRA
+ 0, // FU_QUICK
+ 1, // FU_BYTE
+ 2, // FU_WORD
+ 2, // FU_WBYTE
+ 4, // FU_LONG
+ 1, // FU_BBRA
+ 0, // (unused)
+ 1, // FU_6BRA
};
// Offset to REAL fixup location
static char fusizoffs[] = {
- 0, // FU_QUICK
- 0, // FU_BYTE
- 0, // FU_WORD
- 1, // FU_WBYTE
- 0, // FU_LONG
- 1, // FU_BBRA
- 0, // (unused)
- 0, // FU_6BRA
+ 0, // FU_QUICK
+ 0, // FU_BYTE
+ 0, // FU_WORD
+ 1, // FU_WBYTE
+ 0, // FU_LONG
+ 1, // FU_BBRA
+ 0, // (unused)
+ 0, // FU_6BRA
};
SECT * p;
if (scattr & SBSS)
- return 0; // If in BSS section, forget it
+ return 0; // If in BSS section, forget it
if (!amt)
amt = CH_THRESHOLD;
amt = CH_CODE_SIZE;
p = §[cursect];
- cp = (CHUNK *)amem((long)(sizeof(CHUNK) + amt));
+ cp = (CHUNK *)malloc(sizeof(CHUNK) + amt);
+ // First chunk in section
if (scode == NULL)
- { // First chunk in section
+ {
cp->chprev = NULL;
p->sfcode = cp;
}
+ // Add chunk to other chunks
else
- { // Add chunk to other chunks
+ {
cp->chprev = scode;
scode->chnext = cp;
- scode->ch_size = ch_size; // Save old chunk's globals
+ scode->ch_size = ch_size; // Save old chunk's globals
}
// Setup chunk and global vars
CHUNK * cp;
SECT * p;
- // Compute length of expression (could be faster); determine if it's the single-symbol case;
- // no expression if it's just a mark. This code assumes 16 bit WORDs and 32 bit LONGs
+ // Compute length of expression (could be faster); determine if it's the
+ // single-symbol case; no expression if it's just a mark. This code assumes
+ // 16 bit WORDs and 32 bit LONGs
if (*fexpr == SYMBOL && fexpr[2] == ENDEXPR)
{
- //if ((attr & 0x0F00) == FU_JR) {
- if ((attr & 0x0200) == FU_JR)
+ if ((attr & 0x0F00) == FU_JR) // SCPCD : correct bit mask for attr (else other FU_xxx will match) NYAN !
{
- i = 18; // Just a single symbol
+ i = 18; // Just a single symbol
}
else
{
{
attr |= FU_EXPR;
- for(len=0; fexpr[len]!=ENDEXPR; ++len)
+ for(len=0; fexpr[len]!=ENDEXPR; len++)
{
if (fexpr[len] == CONST || fexpr[len] == SYMBOL)
- ++len;
+ len++;
}
- ++len; // Add 1 for ENDEXPR
+ len++; // Add 1 for ENDEXPR
i = (len << 2) + 12;
}
if ((fchalloc - fchsize) < i)
{
p = §[cursect];
- cp = (CHUNK *)amem((long)(sizeof(CHUNK) + CH_FIXUP_SIZE));
+// cp = (CHUNK *)amem((long)(sizeof(CHUNK) + CH_FIXUP_SIZE));
+ cp = (CHUNK *)malloc(sizeof(CHUNK) + CH_FIXUP_SIZE);
if (sfix == NULL)
{ // First fixup chunk in section
*fchptr.lp++ = (LONG)fexpr[1];
}
- //if ((attr & 0x0F00) == FU_JR) {
- if ((attr & 0x0200) == FU_JR)
+ if ((attr & 0x0F00) == FU_JR) // SCPCD : correct bit mask for attr (else other FU_xxx will match) NYAN !
{
if (orgactive)
*fchptr.lp++ = orgaddr;
}
fchsize += i;
-
return 0;
}
projects / rmac / blobdiff