return pcodeId++;
}
-#ifdef HAVE_VSNPRINTF
-// Alas, vsnprintf is not ANSI standard, and does not exist
-// on Solaris (and probably other non-Gnu flavored Unixes).
-
-/*-----------------------------------------------------------------*/
-/* 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);
-
- vsnprintf(*str, *size, format, val);
-
- va_end (val);
-
- len = strlen(*str);
- if((size_t)len > *size) {
- fprintf(stderr,"WARNING, it looks like %s has overflowed\n",__FUNCTION__);
- fprintf(stderr,"len = %d is > str size %d\n",len,(int)*size);
- }
-
- *str += len;
- *size -= len;
-
-}
-
-#else // HAVE_VSNPRINTF
-
-// This version is *not* safe, despite the name.
-
-void SAFE_snprintf(char **str, size_t *size, const char *format, ...)
-{
- va_list val;
- int len;
- static char buffer[1024]; /* grossly conservative, but still not inherently safe */
-
- if(!str || !*str)
- return;
-
- va_start(val, format);
-
- vsprintf(buffer, format, val);
- va_end (val);
-
- len = strlen(buffer);
- if(len > *size) {
- fprintf(stderr,"WARNING, it looks like %s has overflowed\n",__FUNCTION__);
- fprintf(stderr,"len = %d is > str size %d\n",len,*size);
- }
-
- strcpy(*str, buffer);
- *str += len;
- *size -= len;
-
-}
-
-#endif // HAVE_VSNPRINTF
-
-
extern void initStack(int base_address, int size, int shared);
extern regs *allocProcessorRegister(int rIdx, char * name, short po_type, int alias);
extern regs *allocInternalRegister(int rIdx, char * name, PIC_OPTYPE po_type, int alias);
case PO_INDF:
case PO_FSR:
if(use_buffer) {
- SAFE_snprintf(&buffer,&size,"%s",PCOR(pcop)->r->name);
+ SNPRINTF(buffer,size,"%s",PCOR(pcop)->r->name);
return buffer;
}
- //return PCOR(pcop)->r->name;
return pcop->name;
break;
case PO_GPR_TEMP:
r = pic14_regWithIdx(PCOR(pcop)->r->rIdx);
if(use_buffer) {
- SAFE_snprintf(&buffer,&size,"%s",r->name);
+ SNPRINTF(buffer,size,"%s",r->name);
return buffer;
}
return r->name;
-
+ break;
case PO_IMMEDIATE:
s = buffer;
if( PCOI(pcop)->offset >= 0 && PCOI(pcop)->offset<4) {
switch(PCOI(pcop)->offset) {
case 0:
- SAFE_snprintf(&s,&size,"low (%s+%d)",pcop->name, PCOI(pcop)->index);
+ SNPRINTF(s,size,"low (%s+%d)",pcop->name, PCOI(pcop)->index);
break;
case 1:
- SAFE_snprintf(&s,&size,"high (%s+%d)",pcop->name, PCOI(pcop)->index);
+ SNPRINTF(s,size,"high (%s+%d)",pcop->name, PCOI(pcop)->index);
break;
case 2:
- SAFE_snprintf(&s,&size,"0x%02x",PCOI(pcop)->_const ? GPTRTAG_CODE : GPTRTAG_DATA);
+ SNPRINTF(s,size,"0x%02x",PCOI(pcop)->_const ? GPTRTAG_CODE : GPTRTAG_DATA);
break;
default:
fprintf (stderr, "PO_IMMEDIATE/_const/offset=%d\n", PCOI(pcop)->offset);
assert ( !"offset too large" );
- SAFE_snprintf(&s,&size,"(((%s+%d) >> %d)&0xff)",
+ SNPRINTF(s,size,"(((%s+%d) >> %d)&0xff)",
pcop->name,
PCOI(pcop)->index,
8 * PCOI(pcop)->offset );
}
} else
- SAFE_snprintf(&s,&size,"LOW (%s+%d)",pcop->name,PCOI(pcop)->index);
+ SNPRINTF(s,size,"LOW (%s+%d)",pcop->name,PCOI(pcop)->index);
} else {
if( !PCOI(pcop)->offset) { // && PCOI(pcc->pcop)->offset<4)
- SAFE_snprintf(&s,&size,"(%s + %d)",
+ SNPRINTF(s,size,"(%s + %d)",
pcop->name,
PCOI(pcop)->index);
} else {
switch(PCOI(pcop)->offset) {
case 0:
- SAFE_snprintf(&s,&size,"(%s + %d)",pcop->name, PCOI(pcop)->index);
+ SNPRINTF(s,size,"(%s + %d)",pcop->name, PCOI(pcop)->index);
break;
case 1:
- SAFE_snprintf(&s,&size,"high (%s + %d)",pcop->name, PCOI(pcop)->index);
+ SNPRINTF(s,size,"high (%s + %d)",pcop->name, PCOI(pcop)->index);
break;
case 2:
- SAFE_snprintf(&s,&size,"0x%02x",PCOI(pcop)->_const ? GPTRTAG_CODE : GPTRTAG_DATA);
+ SNPRINTF(s,size,"0x%02x",PCOI(pcop)->_const ? GPTRTAG_CODE : GPTRTAG_DATA);
break;
default:
fprintf (stderr, "PO_IMMEDIATE/mutable/offset=%d\n", PCOI(pcop)->offset);
assert ( !"offset too large" );
- SAFE_snprintf(&s,&size,"((%s + %d) >> %d)&0xff",pcop->name, PCOI(pcop)->index, 8*PCOI(pcop)->offset);
+ SNPRINTF(s,size,"((%s + %d) >> %d)&0xff",pcop->name, PCOI(pcop)->index, 8*PCOI(pcop)->offset);
break;
}
}
}
-
return buffer;
+ break;
case PO_DIR:
s = buffer;
- //size = sizeof(buffer);
if( PCOR(pcop)->instance) {
- SAFE_snprintf(&s,&size,"(%s + %d)",
+ SNPRINTF(s,size,"(%s + %d)",
pcop->name,
PCOR(pcop)->instance );
- //fprintf(stderr,"PO_DIR %s\n",buffer);
} else
- SAFE_snprintf(&s,&size,"%s",pcop->name);
+ SNPRINTF(s,size,"%s",pcop->name);
return buffer;
+ break;
case PO_LABEL:
s = buffer;
if (pcop->name) {
if(PCOLAB(pcop)->offset == 1)
- SAFE_snprintf(&s,&size,"HIGH(%s)",pcop->name);
+ SNPRINTF(s,size,"HIGH(%s)",pcop->name);
else
- SAFE_snprintf(&s,&size,"%s",pcop->name);
+ SNPRINTF(s,size,"%s",pcop->name);
}
return buffer;
+ break;
case PO_GPR_BIT:
if(PCOR(pcop)->r) {
if(use_buffer) {
- SAFE_snprintf(&buffer,&size,"%s",PCOR(pcop)->r->name);
+ SNPRINTF(buffer,size,"%s",PCOR(pcop)->r->name);
return buffer;
}
return PCOR(pcop)->r->name;
}
-
/* fall through to the default case */
+
default:
if(pcop->name) {
if(use_buffer) {
- SAFE_snprintf(&buffer,&size,"%s",pcop->name);
+ SNPRINTF(buffer,size,"%s",pcop->name);
return buffer;
}
return pcop->name;
/*-----------------------------------------------------------------*/
char *pCode2str(char *str, size_t size, pCode *pc)
{
- char *s = str;
+ char *s = str;
- switch(pc->type) {
+ switch(pc->type) {
- case PC_OPCODE:
+ 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)->isBitInst) {
- if(PCI(pc)->pcop->type == PO_GPR_BIT) {
- char *name = PCI(pc)->pcop->name;
- if (!name)
- name = PCOR(PCI(pc)->pcop)->r->name;
- if( (((pCodeOpRegBit *)(PCI(pc)->pcop))->inBitSpace) )
- SAFE_snprintf(&s,&size,"(%s >> 3), (%s & 7)", name, name);
- else
- SAFE_snprintf(&s,&size,"%s,%d", name,
- (((pCodeOpRegBit *)(PCI(pc)->pcop))->bit)&7);
- } else if(PCI(pc)->pcop->type == PO_GPR_BIT) {
- SAFE_snprintf(&s,&size,"%s,%d", get_op_from_instruction(PCI(pc)),PCORB(PCI(pc)->pcop)->bit);
- } else
- SAFE_snprintf(&s,&size,"%s,0 ; ?bug", get_op_from_instruction(PCI(pc)));
- //PCI(pc)->pcop->t.bit );
- } else {
- if(PCI(pc)->pcop->type == PO_GPR_BIT) {
- if( PCI(pc)->num_ops == 2)
- SAFE_snprintf(&s,&size,"(%s >> 3),%c",get_op_from_instruction(PCI(pc)),((PCI(pc)->isModReg) ? 'F':'W'));
- else
- SAFE_snprintf(&s,&size,"(1 << (%s & 7))",get_op_from_instruction(PCI(pc)));
- } else {
- SAFE_snprintf(&s,&size,"%s",get_op_from_instruction(PCI(pc)));
- if( PCI(pc)->num_ops == 2)
- SAFE_snprintf(&s,&size,",%c", ( (PCI(pc)->isModReg) ? 'F':'W'));
- }
- }
- }
- break;
+ SNPRINTF(s,size, "\t%s\t", PCI(pc)->mnemonic);
+ size -= strlen(s);
+ s += strlen(s);
+
+ if( (PCI(pc)->num_ops >= 1) && (PCI(pc)->pcop)) {
+ if(PCI(pc)->isBitInst) {
+ if(PCI(pc)->pcop->type == PO_GPR_BIT) {
+ char *name = PCI(pc)->pcop->name;
+ if (!name)
+ name = PCOR(PCI(pc)->pcop)->r->name;
+ if( (((pCodeOpRegBit *)(PCI(pc)->pcop))->inBitSpace) )
+ SNPRINTF(s,size,"(%s >> 3), (%s & 7)", name, name);
+ else
+ SNPRINTF(s,size,"%s,%d", name, (((pCodeOpRegBit *)(PCI(pc)->pcop))->bit)&7);
+ } else if(PCI(pc)->pcop->type == PO_GPR_BIT) {
+ SNPRINTF(s,size,"%s,%d", get_op_from_instruction(PCI(pc)),PCORB(PCI(pc)->pcop)->bit);
+ } else
+ SNPRINTF(s,size,"%s,0 ; ?bug", get_op_from_instruction(PCI(pc)));
+ } else {
+ if(PCI(pc)->pcop->type == PO_GPR_BIT) {
+ if( PCI(pc)->num_ops == 2)
+ SNPRINTF(s,size,"(%s >> 3),%c",get_op_from_instruction(PCI(pc)),((PCI(pc)->isModReg) ? 'F':'W'));
+ else
+ SNPRINTF(s,size,"(1 << (%s & 7))",get_op_from_instruction(PCI(pc)));
+ } else {
+ SNPRINTF(s,size,"%s",get_op_from_instruction(PCI(pc)));
+ size -= strlen(s);
+ s += strlen(s);
+ if( PCI(pc)->num_ops == 2)
+ SNPRINTF(s,size,",%c", ( (PCI(pc)->isModReg) ? 'F':'W'));
+ }
+ }
+ }
+ break;
- case PC_COMMENT:
- /* assuming that comment ends with a \n */
- SAFE_snprintf(&s,&size,";%s", ((pCodeComment *)pc)->comment);
- break;
+ case PC_COMMENT:
+ /* assuming that comment ends with a \n */
+ SNPRINTF(s,size,";%s", ((pCodeComment *)pc)->comment);
+ break;
- case PC_INLINE:
- /* assuming that inline code ends with a \n */
- SAFE_snprintf(&s,&size,"%s", ((pCodeComment *)pc)->comment);
- break;
+ case PC_INLINE:
+ /* assuming that inline code ends with a \n */
+ 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;
- case PC_FLOW:
- SAFE_snprintf(&s,&size,";\t--FLOW change\n");
- break;
- case PC_CSOURCE:
-// SAFE_snprintf(&s,&size,";#CSRC\t%s %d\n; %s\n", PCCS(pc)->file_name, PCCS(pc)->line_number, PCCS(pc)->line);
- SAFE_snprintf(&s,&size,"%s\t.line\t%d; \"%s\"\t%s\n",(options.debug?"":";"),PCCS(pc)->line_number, PCCS(pc)->file_name, PCCS(pc)->line);
- break;
- case PC_ASMDIR:
- if(PCAD(pc)->directive) {
- SAFE_snprintf(&s,&size,"\t%s%s%s\n", PCAD(pc)->directive, PCAD(pc)->arg?"\t":"", PCAD(pc)->arg?PCAD(pc)->arg:"");
- } else if(PCAD(pc)->arg) {
- /* special case to handle inline labels without a tab */
- SAFE_snprintf(&s,&size,"%s\n", PCAD(pc)->arg);
+ case PC_LABEL:
+ SNPRINTF(s,size,";label=%s, key=%d\n",PCL(pc)->label,PCL(pc)->key);
+ break;
+ case PC_FUNCTION:
+ SNPRINTF(s,size,";modname=%s,function=%s: id=%d\n",PCF(pc)->modname,PCF(pc)->fname);
+ break;
+ case PC_WILD:
+ SNPRINTF(s,size,";\tWild opcode: id=%d\n",PCW(pc)->id);
+ break;
+ case PC_FLOW:
+ SNPRINTF(s,size,";\t--FLOW change\n");
+ break;
+ case PC_CSOURCE:
+ SNPRINTF(s,size,"%s\t.line\t%d; \"%s\"\t%s\n",(options.debug?"":";"),PCCS(pc)->line_number, PCCS(pc)->file_name, PCCS(pc)->line);
+ break;
+ case PC_ASMDIR:
+ if(PCAD(pc)->directive) {
+ SNPRINTF(s,size,"\t%s%s%s\n", PCAD(pc)->directive, PCAD(pc)->arg?"\t":"", PCAD(pc)->arg?PCAD(pc)->arg:"");
+ } else if(PCAD(pc)->arg) {
+ /* special case to handle inline labels without a tab */
+ SNPRINTF(s,size,"%s\n", PCAD(pc)->arg);
+ }
+ break;
+
+ case PC_BAD:
+ SNPRINTF(s,size,";A bad pCode is being used\n");
}
- break;
-
- case PC_BAD:
- SAFE_snprintf(&s,&size,";A bad pCode is being used\n");
- }
- return str;
+ return str;
}
/*-----------------------------------------------------------------*/