+
+ /* check sanity of stack */
+ if ((stackPos >> 8) != ((stackPos+stackLen) >> 8)) {
+ fprintf (stderr, "%s:%u: warning: stack [0x%03X,0x%03X] crosses memory bank boundaries (not fully tested)\n",
+ filename,lineno-1, stackPos, stackPos+stackLen-1);
+ }
+
+ if (pic16) {
+ if (stackPos < pic16->acsSplitOfs) {
+ fprintf (stderr, "%s:%u: warning: stack [0x%03X, 0x%03X] intersects with the access bank [0x000,0x%03x] -- this is highly discouraged!\n",
+ filename, lineno-1, stackPos, stackPos+stackLen-1, pic16->acsSplitOfs);
+ }
+
+ if (stackPos+stackLen > 0xF00 + pic16->acsSplitOfs) {
+ fprintf (stderr, "%s:%u: warning: stack [0x%03X,0x%03X] intersects with special function registers [0x%03X,0xFFF]-- this is highly discouraged!\n",
+ filename, lineno-1, stackPos, stackPos+stackLen-1, 0xF00 + pic16->acsSplitOfs);
+ }
+
+ if (stackPos+stackLen > pic16->RAMsize) {
+ fprintf (stderr, "%s:%u: error: stack [0x%03X,0x%03X] is placed outside available memory [0x000,0x%03X]!\n",
+ filename, lineno-1, stackPos, stackPos+stackLen-1, pic16->RAMsize-1);
+ exit(-1);
+ return 1; /* considered an error, but this reports "invalid pragma stack"... */
+ }
+ }
+