binutils/gas/app.c

19    along with GAS; see the file COPYING.  If not, write to the Free
51 /* The pseudo-op for which we need to special-case `@' characters.
116       /* I370 uses single-quotes to delimit integer, float constants.  */
137   /* This macro permits the processor to specify all characters which
140      backend uses this to support prefixes, which can confuse the
141      scrubber as to whether it is parsing operands or opcodes.  */
146   /* The m68k backend wants to be able to change comment_chars.  */
160   /* This macro permits the processor to specify all characters which
208    app is called asynchronously to the parsing of the .include's, so our
210    That's why we have to save it all.  */
327 /* This function is called to process input characters.  The GET
328    parameter is used to retrieve more input characters.  GET should
329    set its parameter to point to a buffer, and return the length of
336    This is the way the old code used to work.  */
341   char *to = tostart;
355 	  5: parsing a string, then go to old-state
362 	 -1: output string in out_string and go to the state in old_state
363 	 -2: flush text until a '*' '/' is seen, then go to state old_state
416      character fills the output buffer, this macro jumps to the label
417      TOFULL.  We use this rather ugly approach because we need to
421      I don't want to make such a significant change to the assembler's
427       *to++ = (pch);				\
428       if (to >= toend)				\
449       /* The cases in this switch end with continue, in order to
450 	 branch back to the top of this while loop and generate the
529 	  /* We are going to copy everything up to a quote character,
530 	     with special handling for a backslash.  We try to
546 	    if (len > toend - to)
547 	      len = toend - to;
550 		memcpy (to, from, len);
551 		to += len;
553 		if (to >= toend)
645 	  /* Reset back to state 1 and pretend that we are parsing a
671 	    /* Change to avoid warning about unclosed string.  */
710       /* We need to watch out for .symver directives.  See the comment later
719 	  /* We advance to the next state if we find the right
726 	       entire pseudo-op, so we must go back to the beginning.  */
731 		 of the line, go back to the beginning.  */
739       /* We want to have pseudo-ops which control whether we are in
751 	  /* We advance to the next state if we find the right
754 	     '1' (this is so that we only need one state to handle
772 		 entire pseudo-op, so we must go back to the
779 		 either '0' or '1' indicating whether to enter or
786 		 to control expression parsing and the like.  */
876 	      if (to + 1 < toend)
1096 	  /* Read and skip to end of line.  */
1190 	     We must prevent exef0f ||trap #1 to degenerate to exef0f ||trap#1 .
1195 	  /* An alternative approach would be to reset the state to 1 when
1196 	     we see '||', '<'- or '->', but that seems to be overkill.  */
1226 	  /* For the ARM, care is needed not to damage occurrences of \@
1228 	  if (to > tostart && *(to - 1) == '\\')
1289 	  if (to + 1 < toend
1317 	      if (len > (toend - to) - 1)
1318 		len = (toend - to) - 1;
1323 		  memcpy (to, from, len);
1324 		  to += len;
1326 		  if (to >= toend)
1361 		     an operand character, then we don't want to keep
1362 		     the space.  We don't have enough information to
1364 		     choice which is more likely to be correct.  */
1365 		  if (to + 1 >= toend)
1373 		  *to++ = ' ';
1387   return to - tostart;
1400   return to - tostart;