}
+
+/*-----------------------------------------------------------------*/
+/* SAFE_snprintf - like snprintf except the string pointer is */
+/* after the string has been printed to. This is */
+/* useful for printing to string as though if it */
+/* were a stream. */
+/*-----------------------------------------------------------------*/
+void SAFE_snprintf(char **str, size_t *size, const char *format, ...)
+{
+ va_list val;
+ int len;
+
+ if(!str || !*str)
+ return;
+
+ va_start(val, format);
+#if 0
+ // Alas, vsnprintf is not ANSI standard, and does not exist
+ // on Solaris (and probably other non-Gnu flavored Unixes).
+ vsnprintf(*str, *size, format, val);
+#else
+ // This, of course, is *not* safe, despite the name.
+ vsprintf(*str, format, val);
+#endif
+
+ va_end (val);
+
+ len = strlen(*str);
+ *str += len;
+ *size -= len;
+
+}
+
void pCodeInitRegisters(void)
{
mnemonics_initialized = 1;
}
-int getpCode(char *mnem,int dest)
+int getpCode(char *mnem,unsigned dest)
{
pCodeInstruction *pci;
}
/*-----------------------------------------------------------------*/
-/* newpCodeChain - create a new chain of pCodes */
+/* newpCodeChai0n - create a new chain of pCodes */
/*-----------------------------------------------------------------*
*
* This function will create a new pBlock and the pointer to the
/*-----------------------------------------------------------------*/
void addpCode2pBlock(pBlock *pb, pCode *pc)
{
-
- pb->pcTail->next = pc;
- pc->prev = pb->pcTail;
- pc->next = NULL;
- pc->pb = pb;
- pb->pcTail = pc;
+ if(!pb->pcHead) {
+ /* If this is the first pcode to be added to a block that
+ * was initialized with a NULL pcode, then go ahead and
+ * make this pcode the head and tail */
+ pb->pcHead = pb->pcTail = pc;
+ } else {
+ pb->pcTail->next = pc;
+ pc->prev = pb->pcTail;
+ pc->next = NULL;
+ pc->pb = pb;
+ pb->pcTail = pc;
+ }
}
/*-----------------------------------------------------------------*/
r = setFirstItem(pb->registers);
while (r) {
- fprintf(of," %s\n",r->name);
r = setNextItem(pb->registers);
}
}
case PO_FSR:
case PO_GPR_TEMP:
r = pic14_regWithIdx(PCOR(pcc->pcop)->r->rIdx);
- fprintf(stderr,"getop: getting %s\nfrom:\n",r->name); //pcc->pcop->name);
+ //fprintf(stderr,"getop: getting %s\nfrom:\n",r->name); //pcc->pcop->name);
pBlockRegs(stderr,pcc->pc.pb);
return r->name;
fprintf(of,"pcodeopprint\n");
}
+char *pCode2str(char *str, int size, pCode *pc)
+{
+ char *s = str;
+
+ switch(pc->type) {
+
+ case PC_OPCODE:
+
+ SAFE_snprintf(&s,&size, "\t%s\t", PCI(pc)->mnemonic);
+
+ if( (PCI(pc)->num_ops >= 1) && (PCI(pc)->pcop)) {
+
+ if(PCI(pc)->bit_inst) {
+ if(PCI(pc)->pcop->type == PO_BIT) {
+ if( (((pCodeOpBit *)(PCI(pc)->pcop))->inBitSpace) )
+ SAFE_snprintf(&s,&size,"(%s >> 3), (%s & 7)",
+ PCI(pc)->pcop->name ,
+ PCI(pc)->pcop->name );
+ else
+ SAFE_snprintf(&s,&size,"%s,%d", get_op(PCI(pc)),
+ (((pCodeOpBit *)(PCI(pc)->pcop))->bit ));
+ } else
+ SAFE_snprintf(&s,&size,"%s,0 ; ?bug", get_op(PCI(pc)));
+ //PCI(pc)->pcop->t.bit );
+ } else {
+
+ if(PCI(pc)->pcop->type == PO_BIT) {
+ if( PCI(pc)->num_ops == 2)
+ SAFE_snprintf(&s,&size,"(%s >> 3),%c",get_op(PCI(pc)),((PCI(pc)->dest) ? 'F':'W'));
+ else
+ SAFE_snprintf(&s,&size,"(1 << (%s & 7))",get_op(PCI(pc)));
+
+ }else {
+ SAFE_snprintf(&s,&size,"%s",get_op(PCI(pc)));
+
+ if( PCI(pc)->num_ops == 2)
+ SAFE_snprintf(&s,&size,",%c", ( (PCI(pc)->dest) ? 'F':'W'));
+ }
+ }
+
+ }
+ break;
+
+ case PC_COMMENT:
+ /* assuming that comment ends with a \n */
+ SAFE_snprintf(&s,&size,";%s", ((pCodeComment *)pc)->comment);
+ break;
+
+ case PC_LABEL:
+ SAFE_snprintf(&s,&size,";label=%s, key=%d\n",PCL(pc)->label,PCL(pc)->key);
+ break;
+ case PC_FUNCTION:
+ SAFE_snprintf(&s,&size,";modname=%s,function=%s: id=%d\n",PCF(pc)->modname,PCF(pc)->fname);
+ break;
+ case PC_WILD:
+ SAFE_snprintf(&s,&size,";\tWild opcode: id=%d\n",PCW(pc)->id);
+ break;
+
+ }
+
+ return str;
+
+}
+
/*-----------------------------------------------------------------*/
/* genericPrint - the contents of a pCode to a file */
/*-----------------------------------------------------------------*/
}
}
- fprintf(of, "\t%s\t", PCI(pc)->mnemonic);
- if( (PCI(pc)->num_ops >= 1) && (PCI(pc)->pcop)) {
- if(PCI(pc)->bit_inst) {
- if(PCI(pc)->pcop->type == PO_BIT) {
- if( (((pCodeOpBit *)(PCI(pc)->pcop))->inBitSpace) )
- fprintf(of,"(%s >> 3), (%s & 7)",
- PCI(pc)->pcop->name ,
- PCI(pc)->pcop->name );
- else
- fprintf(of,"%s,%d", get_op(PCI(pc)), (((pCodeOpBit *)(PCI(pc)->pcop))->bit ));
- } else
- fprintf(of,"%s,0 ; ?bug", get_op(PCI(pc)));
- //PCI(pc)->pcop->t.bit );
- } else {
-
- if(PCI(pc)->pcop->type == PO_BIT) {
- if( PCI(pc)->num_ops == 2)
- fprintf(of,"(%s >> 3),%c",get_op(PCI(pc)),((PCI(pc)->dest) ? 'F':'W'));
- else
- fprintf(of,"(1 << (%s & 7))",get_op(PCI(pc)));
-
-/*
- if( PCI(pc)->num_ops == 2)
- fprintf(of,"(%s >> 3),%c",PCI(pc)->pcop->name,((PCI(pc)->dest) ? 'F':'W'));
- else
- fprintf(of,"(1 << (%s & 7))",PCI(pc)->pcop->name);
-*/
- }else {
- fprintf(of,"%s",get_op(PCI(pc)));
+ {
+ char str[256];
+
+ pCode2str(str, 256, pc);
- if( PCI(pc)->num_ops == 2)
- fprintf(of,",%c", ( (PCI(pc)->dest) ? 'F':'W'));
- }
- }
+ fprintf(of,"%s",str);
}
{
case PC_WILD:
fprintf(of,";\tWild opcode: id=%d\n",PCW(pc)->id);
+ if(pc->label)
+ pCodePrintLabel(of, pc->label->pc);
+
if(PCW(pc)->operand) {
fprintf(of,";\toperand ");
pCodeOpPrint(of,PCW(pc)->operand );
else if (PCL(pc)->key >=0)
fprintf(of,"_%05d_DS_:\n",PCL(pc)->key);
else
- fprintf(of,";wild card label\n");
+ fprintf(of,";wild card label: id=%d\n",-PCL(pc)->key);
}
/*-----------------------------------------------------------------*/
{
while(pc) {
- if(pc->type == PC_OPCODE)
+ if((pc->type == PC_OPCODE) || (pc->type == PC_WILD))
return pc;
pc = pc->next;
projects / fw / sdcc / blobdiff