binutils/gas/app.c

17    along with GAS; see the file COPYING.  If not, write to the Free
53 /* The pseudo-op for which we need to special-case `@' characters.
121       /* I370 uses single-quotes to delimit integer, float constants.  */
142   /* This macro permits the processor to specify all characters which
145      backend uses this to support prefixes, which can confuse the
146      scrubber as to whether it is parsing operands or opcodes.  */
151   /* The m68k backend wants to be able to change comment_chars.  */
168   /* This macro permits the processor to specify all characters which
224    app is called asynchronously to the parsing of the .include's, so our
226    That's why we have to save it all.  */
344 /* This function is called to process input characters.  The GET
345    parameter is used to retrieve more input characters.  GET should
346    set its parameter to point to a buffer, and return the length of
353    This is the way the old code used to work.  */
358   char *to = tostart;
372 	  5: parsing a string, then go to old-state
379 	 -1: output string in out_string and go to the state in old_state
380 	 -2: flush text until a '*' '/' is seen, then go to state old_state
433      character fills the output buffer, this macro jumps to the label
434      TOFULL.  We use this rather ugly approach because we need to
438      I don't want to make such a significant change to the assembler's
444       *to++ = (pch);				\
445       if (to >= toend)				\
466       /* The cases in this switch end with continue, in order to
467 	 branch back to the top of this while loop and generate the
546 	  /* We are going to copy everything up to a quote character,
547 	     with special handling for a backslash.  We try to
563 	    if (len > toend - to)
564 	      len = toend - to;
567 		memcpy (to, from, len);
568 		to += len;
570 		if (to >= toend)
668 	  /* Reset back to state 1 and pretend that we are parsing a
705 	    /* Change to avoid warning about unclosed string.  */
744       /* We need to watch out for .symver directives.  See the comment later
753 	  /* We advance to the next state if we find the right
760 	       entire pseudo-op, so we must go back to the beginning.  */
765 		 of the line, go back to the beginning.  */
773       /* We want to have pseudo-ops which control whether we are in
785 	  /* We advance to the next state if we find the right
788 	     '1' (this is so that we only need one state to handle
806 		 entire pseudo-op, so we must go back to the
813 		 either '0' or '1' indicating whether to enter or
820 		 to control expression parsing and the like.  */
911 	      if (to + 1 < toend)
1148 	  /* Read and skip to end of line.  */
1250 	     We must prevent exef0f ||trap #1 to degenerate to exef0f ||trap#1 .
1255 	  /* An alternative approach would be to reset the state to 1 when
1256 	     we see '||', '<'- or '->', but that seems to be overkill.  */
1286 	  /* For the ARM, care is needed not to damage occurrences of \@
1288 	  if (to > tostart && *(to - 1) == '\\')
1311 	     the H' with 0x to make them gas-style hex characters.  */
1370 	  if (to + 1 < toend
1398 	      if (len > (toend - to) - 1)
1399 		len = (toend - to) - 1;
1404 		  memcpy (to, from, len);
1405 		  to += len;
1407 		  if (to >= toend)
1442 		     an operand character, then we don't want to keep
1443 		     the space.  We don't have enough information to
1445 		     choice which is more likely to be correct.  */
1446 		  if (to + 1 >= toend)
1454 		  *to++ = ' ';
1468   return to - tostart;
1481   return to - tostart;