X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;ds=sidebyside;f=ld%2Fldlex.l;h=a0563151c879fe1020acd72e4c0e11e1434859ae;hb=bcfdf036c8f094a9e43e2de47dd5e6ea00e1f816;hp=28e067b92fd887becba4738c95396bda57fed50e;hpb=1bd1fa2ddb01ac4e2b6bd176723c11037e1858c4;p=deliverable%2Fbinutils-gdb.git

diff --git a/ld/ldlex.l b/ld/ldlex.l
index 28e067b92f..a0563151c8 100644
--- a/ld/ldlex.l
+++ b/ld/ldlex.l
@@ -1,21 +1,24 @@
 %{
-/* Copyright (C) 1991 Free Software Foundation, Inc.
 
-This file is part of GLD, the Gnu Linker.
+/* Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
+   2000, 2001, 2002, 2003, 2004, 2005  Free Software Foundation, Inc.
 
-GLD is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
-any later version.
+   This file is part of GLD, the Gnu Linker.
 
-GLD is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
+   GLD is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2, or (at your option)
+   any later version.
 
-You should have received a copy of the GNU General Public License
-along with GLD; see the file COPYING.  If not, write to
-the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
+   GLD is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with GLD; see the file COPYING.  If not, write to the Free
+   Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
+   02110-1301, USA.  */
 
 /*
 This was written by steve chamberlain
@@ -23,465 +26,659 @@ This was written by steve chamberlain
 */
 
 
-typedef int bfd_vma;
-#include <ansidecl.h>
-#include "ldgram.h"
+#include <stdio.h>
 
-int ldgram_in_defsym;
-int ldgram_had_equals;
-int ldgram_in_script;
+#include "bfd.h"
+#include "sysdep.h"
+#include "safe-ctype.h"
+#include "bfdlink.h"
+#include "ld.h"
+#include "ldmisc.h"
+#include "ldexp.h"
+#include "ldlang.h"
+#include <ldgram.h>
+#include "ldfile.h"
+#include "ldlex.h"
+#include "ldmain.h"
+#include "libiberty.h"
 
-int hex_mode;
-extern int fgetc();
-extern int yyparse();
+/* The type of top-level parser input.
+   yylex and yyparse (indirectly) both check this.  */
+input_type parser_input;
 
+/* Line number in the current input file.
+   (FIXME Actually, it doesn't appear to get reset for each file?)  */
+unsigned int lineno = 1;
 
+/* The string we are currently lexing, or NULL if we are reading a
+   file.  */
+const char *lex_string = NULL;
 
-char *buystring();
+/* Support for flex reading from more than one input file (stream).
+   `include_stack' is flex's input state for each open file;
+   `file_name_stack' is the file names.  `lineno_stack' is the current
+   line numbers.
 
-int lineno = 1;
-int old;
+   If `include_stack_ptr' is 0, we haven't started reading anything yet.
+   Otherwise, stack elements 0 through `include_stack_ptr - 1' are valid.  */
 
 #undef YY_INPUT
-#define YY_INPUT(buf,result,max_size) yy_input(buf, &result, max_size)
-#undef YY_FATAL_ERROR
-#define YY_FATAL_ERROR ;
-#define MAX_INCLUDE_DEPTH 10
-YY_BUFFER_STATE include_stack[MAX_INCLUDE_DEPTH];
-unsigned int include_stack_ptr = 0;
+#define YY_INPUT(buf,result,max_size) yy_input (buf, &result, max_size)
 
+#define YY_NO_UNPUT
 
-/* STATES 
-	COMMAND	 	on command line
-	COMMENT		in a C comment
-	EXPRESSION	definiatelyt in an expression
-	SCRIPT		definately in a script
-	SOMEWHERE	either EXPRESSION or SCRIPT
+#define MAX_INCLUDE_DEPTH 10
+static YY_BUFFER_STATE include_stack[MAX_INCLUDE_DEPTH];
+static const char *file_name_stack[MAX_INCLUDE_DEPTH];
+static unsigned int lineno_stack[MAX_INCLUDE_DEPTH];
+static unsigned int include_stack_ptr = 0;
+static int vers_node_nesting = 0;
+
+static void yy_input (char *, int *, int);
+static void comment (void);
+static void lex_warn_invalid (char *where, char *what);
+
+/* STATES
+	EXPRESSION	definitely in an expression
+	SCRIPT		definitely in a script
+	BOTH		either EXPRESSION or SCRIPT
+	DEFSYMEXP	in an argument to -defsym
         MRI             in an MRI script
+	VERS_START	starting a Sun style mapfile
+	VERS_SCRIPT	a Sun style mapfile
+	VERS_NODE	a node within a Sun style mapfile
 */
 #define RTOKEN(x)  {  yylval.token = x; return x; }
+
+/* Some versions of flex want this.  */
+#ifndef yywrap
+int yywrap (void) { return 1; }
+#endif
 %}
 
 %a 4000
 %o 5000
-FILENAMECHAR1	[_a-zA-Z\/\.\\]
-FILENAMECHAR	[_a-zA-Z0-9\/\.\-\_\+\$\:\[\]\\]
-FILENAME	{FILENAMECHAR}+
-WHITE		[ \t\n]+ 
-
-%x COMMAND
-%x SCRIPT
-%x EXPRESSION
-%x COMMENT
-%x BOTH
-%x MRI
+
+CMDFILENAMECHAR   [_a-zA-Z0-9\/\.\\_\+\$\:\[\]\\\,\=\&\!\<\>\-\~]
+CMDFILENAMECHAR1  [_a-zA-Z0-9\/\.\\_\+\$\:\[\]\\\,\=\&\!\<\>\~]
+FILENAMECHAR1	[_a-zA-Z\/\.\\\$\_\~]
+SYMBOLCHARN     [_a-zA-Z\/\.\\\$\_\~0-9]
+FILENAMECHAR	[_a-zA-Z0-9\/\.\-\_\+\=\$\:\[\]\\\,\~]
+WILDCHAR	[_a-zA-Z0-9\/\.\-\_\+\=\$\:\[\]\\\,\~\?\*]
+WHITE		[ \t\n\r]+
+
+NOCFILENAMECHAR	[_a-zA-Z0-9\/\.\-\_\+\$\:\[\]\\\~]
+
+V_TAG [.$_a-zA-Z][._a-zA-Z0-9]*
+V_IDENTIFIER [*?.$_a-zA-Z\[\]\-\!\^\\]([*?.$_a-zA-Z0-9\[\]\-\!\^\\]|::)*
+
+%s SCRIPT
+%s EXPRESSION
+%s BOTH
+%s DEFSYMEXP
+%s MRI
+%s VERS_START
+%s VERS_SCRIPT
+%s VERS_NODE
 %%
-  
-<COMMAND>"-defsym" 		{ return OPTION_defsym; }
-<COMMAND>"-noinhibit_exec" 	{ return OPTION_noinhibit_exec; }
-<COMMAND>"-noinhibit-exec"	{ return OPTION_noinhibit_exec; }
-<COMMAND>"-sort_common"		{ return OPTION_sort_common;}
-<COMMAND>"-sort-common"		{ return OPTION_sort_common;}
-<COMMAND>"-format"		{ return OPTION_format; }
-<COMMAND>"-n"			{ return OPTION_n; }
-<COMMAND>"-N"			{ return OPTION_N; }
-<COMMAND>"-r"			{ return OPTION_r; }
-<COMMAND>"-relax"		{ return OPTION_relax; }
-<COMMAND>"-i"			{ return OPTION_r; }
-<COMMAND>"-Ur"			{ return OPTION_Ur; }
-<COMMAND>"-o"			{ return OPTION_o; }
-<COMMAND>"-g"			{ return OPTION_g; }
-<COMMAND>"-e"			{ return OPTION_e; }
-<COMMAND>"-b"			{ return OPTION_b; }
-<COMMAND>"-dc"			{ return OPTION_dc; }
-<COMMAND>"-dp"			{ return OPTION_dp; }
-<COMMAND>"-d"			{ return OPTION_d; }
-<COMMAND>"-v"			{ return OPTION_v; }
-<COMMAND>"-V"			{ return OPTION_V; }
-<COMMAND>"-M"			{ return OPTION_M; }
-<COMMAND>"-Map"	             	{ return OPTION_Map;}
-<COMMAND>"-t"			{ return OPTION_t; }
-<COMMAND>"-X"			{ return OPTION_X; }
-<COMMAND>"-x"			{ return OPTION_x; }
-<COMMAND>"-c"			{ return OPTION_c; }
-<COMMAND>"-R"			{ return OPTION_R; }
-<COMMAND>"-u"			{ return OPTION_u; }
-<COMMAND>"-s"	           	{ return OPTION_s; }
-<COMMAND>"-S"	           	{ return OPTION_S; }
-<COMMAND>"-Bstat"	 	{ return OPTION_Bstatic; }
-<COMMAND>"-B"{FILENAME}	   	{ /* Ignored */ }
-<COMMAND>"-l"{FILENAME} 	{
- 					yylval.name = buystring(yytext+2);
-				  	return OPTION_l; 
-				}
 
-<COMMAND>"-L"{FILENAME} 	{ 
-					yylval.name = buystring(yytext+2);
-					return OPTION_L; 
-				}
-<COMMAND>"-Ttext" 	        {
-				 yylval.name = ".text";
-				 return OPTION_Texp;
-				}
-<COMMAND>"-Tdata"  		{
-				 yylval.name = ".data";
-				 return OPTION_Texp;
-			       }
-<COMMAND>"-Tbss"		{
-				 yylval.name = ".bss";
-				 return OPTION_Texp;
-			       }
-<COMMAND>"-O"{FILENAME} 	{
-				yylval.name = buystring(yytext+2);
-				return OPTION_Texp;
-				}
+  if (parser_input != input_selected)
+    {
+      /* The first token of the input determines the initial parser state.  */
+      input_type t = parser_input;
+      parser_input = input_selected;
+      switch (t)
+	{
+	case input_script: return INPUT_SCRIPT; break;
+	case input_mri_script: return INPUT_MRI_SCRIPT; break;
+	case input_version_script: return INPUT_VERSION_SCRIPT; break;
+	case input_dynamic_list: return INPUT_DYNAMIC_LIST; break;
+	case input_defsym: return INPUT_DEFSYM; break;
+	default: abort ();
+	}
+    }
+
+<BOTH,SCRIPT,EXPRESSION,VERS_START,VERS_NODE,VERS_SCRIPT>"/*"	{ comment (); }
+
 
-<COMMAND>"-T"{FILENAME}  	{
-				 yylval.name = buystring(yytext+2);
-				 return OPTION_Tfile;
-			       }
-<COMMAND>"-T"          		{
-				 return OPTION_T;
-			       }
-
-<COMMAND>"-F"{FILENAME}  	{
-				 return OPTION_F;
-			       }
-<COMMAND>"-F"          		{
-				 return OPTION_F;
-			       }
-
-<COMMAND>"-A"{FILENAME} 	{
-		                	yylval.name = buystring(yytext+2);
-				 	return OPTION_Aarch;
-			       	}
+<DEFSYMEXP>"-"                  { RTOKEN('-');}
+<DEFSYMEXP>"+"                  { RTOKEN('+');}
+<DEFSYMEXP>{FILENAMECHAR1}{SYMBOLCHARN}*   { yylval.name = xstrdup (yytext); return NAME; }
+<DEFSYMEXP>"="                  { RTOKEN('='); }
 
 <MRI,EXPRESSION>"$"([0-9A-Fa-f])+ {
-  				yylval.integer = strtol(yytext+1, 0,16);	
+  				yylval.integer = bfd_scan_vma (yytext + 1, 0, 16);
+				yylval.bigint.str = NULL;
 				return INT;
 			}
 
-<MRI,EXPRESSION>([0-9A-Fa-f])+(H|X|B|O|D)
-				 {
-				   int base ;
-				   switch (yytext[yyleng-1]) {
-				    case 'X': 
+<MRI,EXPRESSION>([0-9A-Fa-f])+(H|h|X|x|B|b|O|o|D|d) {
+				   int ibase ;
+				   switch (yytext[yyleng - 1]) {
+				    case 'X':
+				    case 'x':
 				    case 'H':
-				     base = 16;
+				    case 'h':
+				     ibase = 16;
 				     break;
 				    case 'O':
-				     base = 8;
+				    case 'o':
+				     ibase = 8;
 				     break;
 				    case 'B':
-				     base = 2;
+				    case 'b':
+				     ibase = 2;
 				     break;
 				    default:
-				     base = 10;
+				     ibase = 10;
 				   }
-				   yylval.integer = strtol(yytext+1, 0, base);	
+				   yylval.integer = bfd_scan_vma (yytext, 0,
+								  ibase);
+				   yylval.bigint.str = NULL;
 				   return INT;
 				 }
-<MRI,BOTH,EXPRESSION>"$"?"0x"?([0-9A-Fa-f])+(M|K|m|k)? {
-				  yylval.integer = strtol(yytext,0,hex_mode);
-				  if (yytext[yyleng-1]=='M'
-					|| yytext[yyleng-1] == 'm') {
-				      yylval.integer *= 1024*1024;
-				    }	
-				  if (yytext[yyleng-1]=='K' 
-				|| yytext[yyleng-1]=='k') {
+<SCRIPT,DEFSYMEXP,MRI,BOTH,EXPRESSION>((("$"|0[xX])([0-9A-Fa-f])+)|(([0-9])+))(M|K|m|k)? {
+				  char *s = yytext;
+				  int ibase = 0;
+
+				  if (*s == '$')
+				    {
+				      ++s;
+				      ibase = 16;
+				    }
+				  yylval.integer = bfd_scan_vma (s, 0, ibase);
+				  yylval.bigint.str = NULL;
+				  if (yytext[yyleng - 1] == 'M'
+				      || yytext[yyleng - 1] == 'm')
+				    {
+				      yylval.integer *= 1024 * 1024;
+				    }
+				  else if (yytext[yyleng - 1] == 'K'
+				      || yytext[yyleng - 1]=='k')
+				    {
 				      yylval.integer *= 1024;
-				    }		
+				    }
+				  else if (yytext[0] == '0'
+					   && (yytext[1] == 'x'
+					       || yytext[1] == 'X'))
+				    {
+				      yylval.bigint.str = xstrdup (yytext + 2);
+				    }
 				  return INT;
 				}
-<BOTH,SCRIPT,EXPRESSION>"]"		{ RTOKEN(']');}
-<BOTH,SCRIPT,EXPRESSION>"["		{ RTOKEN('[');}
-<BOTH,SCRIPT,EXPRESSION>"<<="	{ RTOKEN(LSHIFTEQ);}
-<BOTH,SCRIPT,EXPRESSION>">>="	{ RTOKEN(RSHIFTEQ);}
-<BOTH,SCRIPT,EXPRESSION>"||"	{ RTOKEN(OROR);}
-<BOTH,SCRIPT,EXPRESSION>"=="	{ RTOKEN(EQ);}
-<BOTH,SCRIPT,EXPRESSION>"!="	{ RTOKEN(NE);}
-<BOTH,SCRIPT,EXPRESSION>">="	{ RTOKEN(GE);}
-<BOTH,SCRIPT,EXPRESSION>"<="	{ RTOKEN(LE);}
-<BOTH,SCRIPT,EXPRESSION>"<<"	{ RTOKEN(LSHIFT);}
-<BOTH,SCRIPT,EXPRESSION>">>"	{ RTOKEN(RSHIFT);}
-<BOTH,SCRIPT,EXPRESSION>"+="	{ RTOKEN(PLUSEQ);}
-<BOTH,SCRIPT,EXPRESSION>"-="	{ RTOKEN(MINUSEQ);}
-<BOTH,SCRIPT,EXPRESSION>"*="	{ RTOKEN(MULTEQ);}
-<BOTH,SCRIPT,EXPRESSION>"/="	{ RTOKEN(DIVEQ);}
-<BOTH,SCRIPT,EXPRESSION>"&="	{ RTOKEN(ANDEQ);}
-<BOTH,SCRIPT,EXPRESSION>"|="	{ RTOKEN(OREQ);}
-<BOTH,SCRIPT,EXPRESSION>"&&"	{ RTOKEN(ANDAND);}
-<BOTH,SCRIPT,EXPRESSION>">"		{ RTOKEN('>');}
-<MRI,BOTH,SCRIPT,EXPRESSION>","		{ RTOKEN(',');}
-<BOTH,SCRIPT,EXPRESSION>"&"		{ RTOKEN('&');}
-<BOTH,SCRIPT,EXPRESSION>"|"		{ RTOKEN('|');}
-<BOTH,SCRIPT,EXPRESSION>"~"		{ RTOKEN('~');}
-<BOTH,SCRIPT,EXPRESSION>"!"		{ RTOKEN('!');}
-<BOTH,SCRIPT,EXPRESSION>"?"		{ RTOKEN('?');}
-<BOTH,SCRIPT,EXPRESSION>"*"		{ RTOKEN('*');}
-<BOTH,SCRIPT,EXPRESSION>"+"		{ RTOKEN('+');}
-<BOTH,SCRIPT,EXPRESSION>"-"		{ RTOKEN('-');}
-<BOTH,SCRIPT,EXPRESSION>"/"		{ RTOKEN('/');}
-<BOTH,SCRIPT,EXPRESSION>"%"		{ RTOKEN('%');}
-<BOTH,SCRIPT,EXPRESSION>"<"		{ RTOKEN('<');}
-<BOTH,SCRIPT,EXPRESSION>">"		{ RTOKEN('>');}
-<MRI,BOTH,SCRIPT,EXPRESSION>"="          { RTOKEN('=');}
-<BOTH,SCRIPT,EXPRESSION>"}"			{ RTOKEN('}') ; }
-<BOTH,SCRIPT,EXPRESSION>"{"			{ RTOKEN('{'); }
-<BOTH,SCRIPT,EXPRESSION>")"			{ RTOKEN(')');}
-<BOTH,SCRIPT,EXPRESSION>"("			{ RTOKEN('(');}
-<BOTH,SCRIPT,EXPRESSION>"]"		{ RTOKEN(']');}
-<BOTH,SCRIPT,EXPRESSION>"["		{ RTOKEN('[');}
-<BOTH,SCRIPT,EXPRESSION>":"		{ RTOKEN(':'); }
-<BOTH,SCRIPT,EXPRESSION>";"		{ RTOKEN(';');}
-<BOTH,SCRIPT,EXPRESSION>"-"		{ RTOKEN('-');}
-<BOTH,SCRIPT,EXPRESSION>"/"		{ RTOKEN('/');}
-<BOTH,SCRIPT>"MEMORY"		{ RTOKEN(MEMORY);}
-<BOTH,SCRIPT>"ORIGIN"		{ RTOKEN(ORIGIN);}
-<BOTH,SCRIPT>"BLOCK"			{ RTOKEN(BLOCK);}
-<BOTH,SCRIPT>"LENGTH"		{ RTOKEN(LENGTH);}
-<EXPRESSION,BOTH,SCRIPT>"ALIGN"			{ RTOKEN(ALIGN_K);}
-<EXPRESSION,BOTH,SCRIPT>"ADDR"			{ RTOKEN(ADDR);}
+<BOTH,SCRIPT,EXPRESSION,MRI>"]"		{ RTOKEN(']');}
+<BOTH,SCRIPT,EXPRESSION,MRI>"["		{ RTOKEN('[');}
+<BOTH,SCRIPT,EXPRESSION,MRI>"<<="	{ RTOKEN(LSHIFTEQ);}
+<BOTH,SCRIPT,EXPRESSION,MRI>">>="	{ RTOKEN(RSHIFTEQ);}
+<BOTH,SCRIPT,EXPRESSION,MRI>"||"	{ RTOKEN(OROR);}
+<BOTH,SCRIPT,EXPRESSION,MRI>"=="	{ RTOKEN(EQ);}
+<BOTH,SCRIPT,EXPRESSION,MRI>"!="	{ RTOKEN(NE);}
+<BOTH,SCRIPT,EXPRESSION,MRI>">="	{ RTOKEN(GE);}
+<BOTH,SCRIPT,EXPRESSION,MRI>"<="	{ RTOKEN(LE);}
+<BOTH,SCRIPT,EXPRESSION,MRI>"<<"	{ RTOKEN(LSHIFT);}
+<BOTH,SCRIPT,EXPRESSION,MRI>">>"	{ RTOKEN(RSHIFT);}
+<BOTH,SCRIPT,EXPRESSION,MRI>"+="	{ RTOKEN(PLUSEQ);}
+<BOTH,SCRIPT,EXPRESSION,MRI>"-="	{ RTOKEN(MINUSEQ);}
+<BOTH,SCRIPT,EXPRESSION,MRI>"*="	{ RTOKEN(MULTEQ);}
+<BOTH,SCRIPT,EXPRESSION,MRI>"/="	{ RTOKEN(DIVEQ);}
+<BOTH,SCRIPT,EXPRESSION,MRI>"&="	{ RTOKEN(ANDEQ);}
+<BOTH,SCRIPT,EXPRESSION,MRI>"|="	{ RTOKEN(OREQ);}
+<BOTH,SCRIPT,EXPRESSION,MRI>"&&"	{ RTOKEN(ANDAND);}
+<BOTH,SCRIPT,EXPRESSION,MRI>">"		{ RTOKEN('>');}
+<BOTH,SCRIPT,EXPRESSION,MRI>","		{ RTOKEN(',');}
+<BOTH,SCRIPT,EXPRESSION,MRI>"&"		{ RTOKEN('&');}
+<BOTH,SCRIPT,EXPRESSION,MRI>"|"		{ RTOKEN('|');}
+<BOTH,SCRIPT,EXPRESSION,MRI>"~"		{ RTOKEN('~');}
+<BOTH,SCRIPT,EXPRESSION,MRI>"!"		{ RTOKEN('!');}
+<BOTH,SCRIPT,EXPRESSION,MRI>"?"		{ RTOKEN('?');}
+<BOTH,SCRIPT,EXPRESSION,MRI>"*"		{ RTOKEN('*');}
+<BOTH,SCRIPT,EXPRESSION,MRI>"+"		{ RTOKEN('+');}
+<BOTH,SCRIPT,EXPRESSION,MRI>"-"		{ RTOKEN('-');}
+<BOTH,SCRIPT,EXPRESSION,MRI>"/"		{ RTOKEN('/');}
+<BOTH,SCRIPT,EXPRESSION,MRI>"%"		{ RTOKEN('%');}
+<BOTH,SCRIPT,EXPRESSION,MRI>"<"		{ RTOKEN('<');}
+<BOTH,SCRIPT,EXPRESSION,MRI>"="         { RTOKEN('=');}
+<BOTH,SCRIPT,EXPRESSION,MRI>"}"		{ RTOKEN('}') ; }
+<BOTH,SCRIPT,EXPRESSION,MRI>"{"		{ RTOKEN('{'); }
+<BOTH,SCRIPT,EXPRESSION,MRI>")"		{ RTOKEN(')');}
+<BOTH,SCRIPT,EXPRESSION,MRI>"("		{ RTOKEN('(');}
+<BOTH,SCRIPT,EXPRESSION,MRI>":"		{ RTOKEN(':'); }
+<BOTH,SCRIPT,EXPRESSION,MRI>";"		{ RTOKEN(';');}
+<BOTH,SCRIPT>"MEMORY"			{ RTOKEN(MEMORY);}
+<BOTH,SCRIPT,EXPRESSION>"ORIGIN"	{ RTOKEN(ORIGIN);}
+<BOTH,SCRIPT>"VERSION"			{ RTOKEN(VERSIONK);}
+<EXPRESSION,BOTH,SCRIPT>"BLOCK"		{ RTOKEN(BLOCK);}
+<EXPRESSION,BOTH,SCRIPT>"BIND"		{ RTOKEN(BIND);}
+<BOTH,SCRIPT,EXPRESSION>"LENGTH"	{ RTOKEN(LENGTH);}
+<EXPRESSION,BOTH,SCRIPT>"ALIGN"		{ RTOKEN(ALIGN_K);}
+<EXPRESSION,BOTH,SCRIPT>"DATA_SEGMENT_ALIGN"	{ RTOKEN(DATA_SEGMENT_ALIGN);}
+<EXPRESSION,BOTH,SCRIPT>"DATA_SEGMENT_RELRO_END"	{ RTOKEN(DATA_SEGMENT_RELRO_END);}
+<EXPRESSION,BOTH,SCRIPT>"DATA_SEGMENT_END"	{ RTOKEN(DATA_SEGMENT_END);}
+<EXPRESSION,BOTH,SCRIPT>"ADDR"		{ RTOKEN(ADDR);}
+<EXPRESSION,BOTH,SCRIPT>"LOADADDR"	{ RTOKEN(LOADADDR);}
+<EXPRESSION,BOTH>"MAX"			{ RTOKEN(MAX_K); }
+<EXPRESSION,BOTH>"MIN"			{ RTOKEN(MIN_K); }
+<EXPRESSION,BOTH>"ASSERT"		{ RTOKEN(ASSERT_K); }
 <BOTH,SCRIPT>"ENTRY"			{ RTOKEN(ENTRY);}
-<EXPRESSION,BOTH,SCRIPT>"NEXT"			{ RTOKEN(NEXT);}
+<BOTH,SCRIPT,MRI>"EXTERN"		{ RTOKEN(EXTERN);}
+<EXPRESSION,BOTH,SCRIPT>"NEXT"		{ RTOKEN(NEXT);}
 <EXPRESSION,BOTH,SCRIPT>"sizeof_headers"	{ RTOKEN(SIZEOF_HEADERS);}
 <EXPRESSION,BOTH,SCRIPT>"SIZEOF_HEADERS"	{ RTOKEN(SIZEOF_HEADERS);}
+<EXPRESSION,BOTH,SCRIPT>"SEGMENT_START" { RTOKEN(SEGMENT_START);}
 <BOTH,SCRIPT>"MAP"			{ RTOKEN(MAP);}
-<EXPRESSION,BOTH,SCRIPT>"SIZEOF"		{ RTOKEN(SIZEOF);}
-<BOTH,SCRIPT>"TARGET"		{ RTOKEN(TARGET_K);}
+<EXPRESSION,BOTH,SCRIPT>"SIZEOF"	{ RTOKEN(SIZEOF);}
+<BOTH,SCRIPT>"TARGET"			{ RTOKEN(TARGET_K);}
 <BOTH,SCRIPT>"SEARCH_DIR"		{ RTOKEN(SEARCH_DIR);}
-<BOTH,SCRIPT>"OUTPUT"		{ RTOKEN(OUTPUT);}
+<BOTH,SCRIPT>"OUTPUT"			{ RTOKEN(OUTPUT);}
 <BOTH,SCRIPT>"INPUT"			{ RTOKEN(INPUT);}
-<BOTH,SCRIPT>"DEFINED"		{ RTOKEN(DEFINED);}
+<EXPRESSION,BOTH,SCRIPT>"GROUP"		{ RTOKEN(GROUP);}
+<EXPRESSION,BOTH,SCRIPT>"AS_NEEDED"	{ RTOKEN(AS_NEEDED);}
+<EXPRESSION,BOTH,SCRIPT>"DEFINED"	{ RTOKEN(DEFINED);}
 <BOTH,SCRIPT>"CREATE_OBJECT_SYMBOLS"	{ RTOKEN(CREATE_OBJECT_SYMBOLS);}
 <BOTH,SCRIPT>"CONSTRUCTORS"		{ RTOKEN( CONSTRUCTORS);}
-<BOTH,SCRIPT>"FORCE_COMMON_ALLOCATION" { RTOKEN(FORCE_COMMON_ALLOCATION);}
-<BOTH,SCRIPT>"SECTIONS"		{ RTOKEN(SECTIONS);}
+<BOTH,SCRIPT>"FORCE_COMMON_ALLOCATION"	{ RTOKEN(FORCE_COMMON_ALLOCATION);}
+<BOTH,SCRIPT>"INHIBIT_COMMON_ALLOCATION" { RTOKEN(INHIBIT_COMMON_ALLOCATION);}
+<BOTH,SCRIPT>"SECTIONS"			{ RTOKEN(SECTIONS);}
 <BOTH,SCRIPT>"FILL"			{ RTOKEN(FILL);}
-<BOTH,SCRIPT>"STARTUP"		{ RTOKEN(STARTUP);}
+<BOTH,SCRIPT>"STARTUP"			{ RTOKEN(STARTUP);}
 <BOTH,SCRIPT>"OUTPUT_FORMAT"		{ RTOKEN(OUTPUT_FORMAT);}
 <BOTH,SCRIPT>"OUTPUT_ARCH"		{ RTOKEN( OUTPUT_ARCH);}
 <BOTH,SCRIPT>"HLL"			{ RTOKEN(HLL);}
-<BOTH,SCRIPT>"SYSLIB"		{ RTOKEN(SYSLIB);}
+<BOTH,SCRIPT>"SYSLIB"			{ RTOKEN(SYSLIB);}
 <BOTH,SCRIPT>"FLOAT"			{ RTOKEN(FLOAT);}
+<BOTH,SCRIPT>"QUAD"			{ RTOKEN( QUAD);}
+<BOTH,SCRIPT>"SQUAD"			{ RTOKEN( SQUAD);}
 <BOTH,SCRIPT>"LONG"			{ RTOKEN( LONG);}
 <BOTH,SCRIPT>"SHORT"			{ RTOKEN( SHORT);}
 <BOTH,SCRIPT>"BYTE"			{ RTOKEN( BYTE);}
-<BOTH,SCRIPT>"NOFLOAT"		{ RTOKEN(NOFLOAT);}
-<BOTH,SCRIPT>"NOLOAD"		{ RTOKEN(NOLOAD);}
-<BOTH,SCRIPT>"DSECT"			{ RTOKEN(DSECT);}
-<BOTH,SCRIPT>"COPY"			{ RTOKEN(COPY);}
-<BOTH,SCRIPT>"INFO"			{ RTOKEN(INFO);}
-<BOTH,SCRIPT>"OVERLAY"		{ RTOKEN(OVERLAY);}
+<BOTH,SCRIPT>"NOFLOAT"			{ RTOKEN(NOFLOAT);}
+<EXPRESSION,BOTH,SCRIPT>"NOCROSSREFS"	{ RTOKEN(NOCROSSREFS);}
+<BOTH,SCRIPT>"OVERLAY"			{ RTOKEN(OVERLAY); }
+<BOTH,SCRIPT>"SORT_BY_NAME"		{ RTOKEN(SORT_BY_NAME); }
+<BOTH,SCRIPT>"SORT_BY_ALIGNMENT"	{ RTOKEN(SORT_BY_ALIGNMENT); }
+<BOTH,SCRIPT>"SORT"			{ RTOKEN(SORT_BY_NAME); }
+<EXPRESSION,BOTH,SCRIPT>"NOLOAD"	{ RTOKEN(NOLOAD);}
+<EXPRESSION,BOTH,SCRIPT>"DSECT"		{ RTOKEN(DSECT);}
+<EXPRESSION,BOTH,SCRIPT>"COPY"		{ RTOKEN(COPY);}
+<EXPRESSION,BOTH,SCRIPT>"INFO"		{ RTOKEN(INFO);}
+<EXPRESSION,BOTH,SCRIPT>"OVERLAY"	{ RTOKEN(OVERLAY);}
+<EXPRESSION,BOTH,SCRIPT>"ONLY_IF_RO"	{ RTOKEN(ONLY_IF_RO); }
+<EXPRESSION,BOTH,SCRIPT>"ONLY_IF_RW"	{ RTOKEN(ONLY_IF_RW); }
+<EXPRESSION,BOTH,SCRIPT>"SPECIAL"	{ RTOKEN(SPECIAL); }
 <BOTH,SCRIPT>"o"			{ RTOKEN(ORIGIN);}
 <BOTH,SCRIPT>"org"			{ RTOKEN(ORIGIN);}
 <BOTH,SCRIPT>"l"			{ RTOKEN( LENGTH);}
 <BOTH,SCRIPT>"len"			{ RTOKEN( LENGTH);}
+<BOTH,SCRIPT>"INCLUDE"			{ RTOKEN(INCLUDE);}
+<BOTH,SCRIPT>"PHDRS"			{ RTOKEN (PHDRS); }
+<EXPRESSION,BOTH,SCRIPT>"AT"		{ RTOKEN(AT);}
+<EXPRESSION,BOTH,SCRIPT>"SUBALIGN"	{ RTOKEN(SUBALIGN);}
+<EXPRESSION,BOTH,SCRIPT>"PROVIDE"	{ RTOKEN(PROVIDE); }
+<EXPRESSION,BOTH,SCRIPT>"PROVIDE_HIDDEN" { RTOKEN(PROVIDE_HIDDEN); }
+<EXPRESSION,BOTH,SCRIPT>"KEEP"		{ RTOKEN(KEEP); }
+<EXPRESSION,BOTH,SCRIPT>"EXCLUDE_FILE"  { RTOKEN(EXCLUDE_FILE); }
+<EXPRESSION,BOTH,SCRIPT>"CONSTANT"	{ RTOKEN(CONSTANT);}
+<MRI>"#".*\n?			{ ++ lineno; }
 <MRI>"\n"	                { ++ lineno;  RTOKEN(NEWLINE); }
-<MRI>^"*".*			{ /* Mri comment line */ }
+<MRI>"*".*			{ /* Mri comment line */ }
+<MRI>";".*			{ /* Mri comment line */ }
 <MRI>"END"                      { RTOKEN(ENDWORD); }
+<MRI>"ALIGNMOD"			{ RTOKEN(ALIGNMOD);}
+<MRI>"ALIGN"			{ RTOKEN(ALIGN_K);}
 <MRI>"CHIP"                     { RTOKEN(CHIP); }
+<MRI>"BASE"                     { RTOKEN(BASE); }
+<MRI>"ALIAS"                    { RTOKEN(ALIAS); }
+<MRI>"TRUNCATE"                 { RTOKEN(TRUNCATE); }
 <MRI>"LOAD"                     { RTOKEN(LOAD); }
+<MRI>"PUBLIC"                   { RTOKEN(PUBLIC); }
 <MRI>"ORDER"                    { RTOKEN(ORDER); }
 <MRI>"NAME"                     { RTOKEN(NAMEWORD); }
 <MRI>"FORMAT"                   { RTOKEN(FORMAT); }
+<MRI>"CASE"                     { RTOKEN(CASE); }
+<MRI>"START"                    { RTOKEN(START); }
 <MRI>"LIST".*                   { RTOKEN(LIST); /* LIST and ignore to end of line */ }
 <MRI>"SECT"			{ RTOKEN(SECT); }
-<MRI>"ABSOLUTE"			{ RTOKEN(ABSOLUTE); }
+<EXPRESSION,BOTH,SCRIPT,MRI>"ABSOLUTE"			{ RTOKEN(ABSOLUTE); }
 <MRI>"end"                      { RTOKEN(ENDWORD); }
+<MRI>"alignmod"			{ RTOKEN(ALIGNMOD);}
+<MRI>"align"			{ RTOKEN(ALIGN_K);}
 <MRI>"chip"                     { RTOKEN(CHIP); }
+<MRI>"base"                     { RTOKEN(BASE); }
+<MRI>"alias"                    { RTOKEN(ALIAS); }
+<MRI>"truncate"                 { RTOKEN(TRUNCATE); }
 <MRI>"load"                     { RTOKEN(LOAD); }
+<MRI>"public"                   { RTOKEN(PUBLIC); }
 <MRI>"order"                    { RTOKEN(ORDER); }
 <MRI>"name"                     { RTOKEN(NAMEWORD); }
 <MRI>"format"                   { RTOKEN(FORMAT); }
+<MRI>"case"                     { RTOKEN(CASE); }
+<MRI>"extern"                   { RTOKEN(EXTERN); }
+<MRI>"start"                    { RTOKEN(START); }
 <MRI>"list".*                   { RTOKEN(LIST); /* LIST and ignore to end of line */ }
 <MRI>"sect"			{ RTOKEN(SECT); }
-<MRI>"absolute"			{ RTOKEN(ABSOLUTE); }
+<EXPRESSION,BOTH,SCRIPT,MRI>"absolute"			{ RTOKEN(ABSOLUTE); }
 
-<MRI,BOTH,EXPRESSION>{FILENAMECHAR1}{FILENAMECHAR}*	{
-				 yylval.name = buystring(yytext); 
+<MRI>{FILENAMECHAR1}{NOCFILENAMECHAR}*	{
+/* Filename without commas, needed to parse mri stuff */
+				 yylval.name = xstrdup (yytext);
 				  return NAME;
 				}
-<SCRIPT,COMMAND>{FILENAMECHAR}* { yylval.name = buystring(yytext); 
+
+
+<BOTH,EXPRESSION>{FILENAMECHAR1}{FILENAMECHAR}*	{
+				 yylval.name = xstrdup (yytext);
 				  return NAME;
 				}
-
-<EXPRESSION,BOTH,COMMAND,SCRIPT>"\""[^\"]*"\"" {
+<BOTH,EXPRESSION>"-l"{FILENAMECHAR}+ {
+				  yylval.name = xstrdup (yytext + 2);
+				  return LNAME;
+				}
+<SCRIPT>{WILDCHAR}* {
+		/* Annoyingly, this pattern can match comments, and we have
+		   longest match issues to consider.  So if the first two
+		   characters are a comment opening, put the input back and
+		   try again.  */
+		if (yytext[0] == '/' && yytext[1] == '*')
+		  {
+		    yyless (2);
+		    comment ();
+		  }
+		else
+		  {
+		    yylval.name = xstrdup (yytext);
+		    return NAME;
+		  }
+	}
+
+<EXPRESSION,BOTH,SCRIPT,VERS_NODE>"\""[^\"]*"\"" {
 					/* No matter the state, quotes
 					   give what's inside */
-					yylval.name = buystring(yytext+1);
-					yylval.name[yyleng-2] = 0;
+					yylval.name = xstrdup (yytext + 1);
+					yylval.name[yyleng - 2] = 0;
 					return NAME;
 				}
 <BOTH,SCRIPT,EXPRESSION>"\n"		{ lineno++;}
-<MRI,COMMAND,BOTH,SCRIPT,EXPRESSION>[ \t]
+<MRI,BOTH,SCRIPT,EXPRESSION>[ \t\r]+	{ }
 
-"/*"				{ old = INITIAL; BEGIN(COMMENT); }
-<COMMAND>"/*"			{ old = COMMAND; BEGIN(COMMENT); }
-<BOTH>"/*"			{ old =BOTH; BEGIN(COMMENT); }
-<SCRIPT>"/*"			{ old = EXPRESSION; BEGIN(COMMENT); }
-<EXPRESSION>"/*"		{ old = SCRIPT; BEGIN(COMMENT); }
-"/*"				{ old = INITIAL; BEGIN(COMMENT); }
-<COMMENT>[^*\\n]*
-<COMMENT>"*"+[^*/\\n]*
-<COMMENT>\\n             	{ ++lineno;}
-<COMMENT>"*"+"/" 		{ BEGIN(old); }
+<VERS_NODE,VERS_SCRIPT>[:,;]	{ return *yytext; }
 
+<VERS_NODE>global		{ RTOKEN(GLOBAL); }
 
-<<EOF>> {
-    include_stack_ptr--;
-    
-    if (include_stack_ptr == 0) 
-    {
-      yyterminate();
-    }
-    else 
-    {
-      yy_switch_to_buffer(include_stack[include_stack_ptr]);
-    }
-	BEGIN(COMMAND);
-	return END;
-  }
-    
+<VERS_NODE>local		{ RTOKEN(LOCAL); }
+
+<VERS_NODE>extern		{ RTOKEN(EXTERN); }
+
+<VERS_NODE>{V_IDENTIFIER}	{ yylval.name = xstrdup (yytext);
+				  return VERS_IDENTIFIER; }
 
+<VERS_SCRIPT>{V_TAG}		{ yylval.name = xstrdup (yytext);
+				  return VERS_TAG; }
 
+<VERS_START>"{"			{ BEGIN(VERS_SCRIPT); return *yytext; }
 
+<VERS_SCRIPT>"{"		{ BEGIN(VERS_NODE);
+				  vers_node_nesting = 0;
+				  return *yytext;
+				}
+<VERS_SCRIPT>"}"		{ return *yytext; }
+<VERS_NODE>"{"			{ vers_node_nesting++; return *yytext; }
+<VERS_NODE>"}"			{ if (--vers_node_nesting < 0)
+				    BEGIN(VERS_SCRIPT);
+				  return *yytext;
+				}
+
+<VERS_START,VERS_NODE,VERS_SCRIPT>[\n]		{ lineno++; }
+
+<VERS_START,VERS_NODE,VERS_SCRIPT>#.*		{ /* Eat up comments */ }
 
+<VERS_START,VERS_NODE,VERS_SCRIPT>[ \t\r]+   	{ /* Eat up whitespace */ }
 
+<<EOF>> {
+  include_stack_ptr--;
+
+  if (include_stack_ptr == 0)
+  {
+    yyterminate ();
+  }
+  else
+  {
+    yy_switch_to_buffer (include_stack[include_stack_ptr]);
+  }
+
+  ldfile_input_filename = file_name_stack[include_stack_ptr - 1];
+  lineno = lineno_stack[include_stack_ptr];
+
+  return END;
+}
 
+<SCRIPT,MRI,VERS_START,VERS_SCRIPT,VERS_NODE>.	lex_warn_invalid (" in script", yytext);
+<EXPRESSION,DEFSYMEXP,BOTH>.	lex_warn_invalid (" in expression", yytext);
 
 %%
+
+
+/* Switch flex to reading script file NAME, open on FILE,
+   saving the current input info on the include stack.  */
 
 void
-DEFUN(lex_push_file,(file),
-     FILE *file)
+lex_push_file (FILE *file, const char *name)
 {
-  if (include_stack_ptr >= MAX_INCLUDE_DEPTH) 
-  {
-    einfo("%F:includes nested too deeply");
-  }
-  include_stack[include_stack_ptr++] = YY_CURRENT_BUFFER;
-  yyin = file;
-  yy_switch_to_buffer(yy_create_buffer(yyin, YY_BUF_SIZE));
+  if (include_stack_ptr >= MAX_INCLUDE_DEPTH)
+    {
+      einfo ("%F:includes nested too deeply\n");
+    }
+  file_name_stack[include_stack_ptr] = name;
+  lineno_stack[include_stack_ptr] = lineno;
+  include_stack[include_stack_ptr] = YY_CURRENT_BUFFER;
 
-  BEGIN(SCRIPT);
+  include_stack_ptr++;
+  lineno = 1;
+  yyin = file;
+  yy_switch_to_buffer (yy_create_buffer (yyin, YY_BUF_SIZE));
 }
 
-YY_BUFFER_STATE 
-DEFUN(yy_create_string_buffer,(string,  size),
-      CONST char *string AND
-      int size )
+/* Return a newly created flex input buffer containing STRING,
+   which is SIZE bytes long.  */
+
+static YY_BUFFER_STATE
+yy_create_string_buffer (const char *string, size_t size)
 {
   YY_BUFFER_STATE b;
 
-  b = (YY_BUFFER_STATE) malloc( sizeof( struct yy_buffer_state ) );
+  /* Calls to m-alloc get turned by sed into xm-alloc.  */
+  b = malloc (sizeof (struct yy_buffer_state));
   b->yy_input_file = 0;
-  
-  if ( ! b )
-   YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
-
   b->yy_buf_size = size;
 
   /* yy_ch_buf has to be 2 characters longer than the size given because
-   * we need to put in 2 end-of-buffer characters.
-   */
-  b->yy_ch_buf = (YY_CHAR *) malloc( (unsigned) (b->yy_buf_size + 3) );
-
-  if ( ! b->yy_ch_buf )
-   YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
-
+     we need to put in 2 end-of-buffer characters.  */
+  b->yy_ch_buf = malloc ((unsigned) (b->yy_buf_size + 3));
 
   b->yy_ch_buf[0] = '\n';
-  strcpy(b->yy_ch_buf+1,  string);
+  strcpy (b->yy_ch_buf+1, string);
   b->yy_ch_buf[size+1] = YY_END_OF_BUFFER_CHAR;
   b->yy_ch_buf[size+2] = YY_END_OF_BUFFER_CHAR;
-    b->yy_n_chars = size+1;
+  b->yy_n_chars = size+1;
   b->yy_buf_pos = &b->yy_ch_buf[1];
 
+  b->yy_is_our_buffer = 1;
+  b->yy_is_interactive = 0;
+  b->yy_at_bol = 1;
+  b->yy_fill_buffer = 0;
+
+  /* flex 2.4.7 changed the interface.  FIXME: We should not be using
+     a flex internal interface in the first place!  */
+#ifdef YY_BUFFER_NEW
+  b->yy_buffer_status = YY_BUFFER_NEW;
+#else
   b->yy_eof_status = EOF_NOT_SEEN;
+#endif
 
-  return ( b );
+  return b;
 }
 
-
+/* Switch flex to reading from STRING, saving the current input info
+   on the include stack.  */
 
 void
-DEFUN(lex_redirect,( string),
-    CONST  char *string)
+lex_redirect (const char *string)
 {
   YY_BUFFER_STATE tmp;
 
-  int len = strlen(string);
-yy_init = 0  ;  
-  if (include_stack_ptr >= MAX_INCLUDE_DEPTH) 
-  {
-    einfo("%F: macros nested too deeply");
-  }
-  include_stack[include_stack_ptr++] = YY_CURRENT_BUFFER;
-
-  tmp =   yy_create_string_buffer(string, len);
-  
-  yy_switch_to_buffer(tmp);
-  BEGIN(COMMAND);
-yyout = stdout;
+  yy_init = 0;
+  if (include_stack_ptr >= MAX_INCLUDE_DEPTH)
+    {
+      einfo("%F: macros nested too deeply\n");
+    }
+  file_name_stack[include_stack_ptr] = "redirect";
+  lineno_stack[include_stack_ptr] = lineno;
+  include_stack[include_stack_ptr] = YY_CURRENT_BUFFER;
+  include_stack_ptr++;
+  lineno = 1;
+  tmp = yy_create_string_buffer (string, strlen (string));
+  yy_switch_to_buffer (tmp);
 }
+
+/* Functions to switch to a different flex start condition,
+   saving the current start condition on `state_stack'.  */
 
-int state_stack[20];
-int *state_stack_p = state_stack;
+static int state_stack[MAX_INCLUDE_DEPTH * 2];
+static int *state_stack_p = state_stack;
 
 void
-DEFUN_VOID(ldlex_script)
+ldlex_script (void)
 {
-*(state_stack_p)++ = yy_start;
-
-BEGIN(SCRIPT);
+  *(state_stack_p)++ = yy_start;
+  BEGIN (SCRIPT);
 }
 
+void
+ldlex_mri_script (void)
+{
+  *(state_stack_p)++ = yy_start;
+  BEGIN (MRI);
+}
 
 void
-DEFUN_VOID(ldlex_mri_script)
+ldlex_version_script (void)
 {
   *(state_stack_p)++ = yy_start;
-  BEGIN(MRI);
+  BEGIN (VERS_START);
 }
-	   
+
 void
-DEFUN_VOID(ldlex_expression)
+ldlex_version_file (void)
 {
-*(state_stack_p)++ = yy_start;
-BEGIN(EXPRESSION);
+  *(state_stack_p)++ = yy_start;
+  BEGIN (VERS_SCRIPT);
+}
 
+void
+ldlex_defsym (void)
+{
+  *(state_stack_p)++ = yy_start;
+  BEGIN (DEFSYMEXP);
 }
+
 void
-DEFUN_VOID(ldlex_both)
+ldlex_expression (void)
 {
-*(state_stack_p)++ = yy_start;
-BEGIN(BOTH);
+  *(state_stack_p)++ = yy_start;
+  BEGIN (EXPRESSION);
 }
+
 void
-DEFUN_VOID(ldlex_command)
+ldlex_both (void)
 {
-*(state_stack_p)++ = yy_start;
-BEGIN(COMMAND);
+  *(state_stack_p)++ = yy_start;
+  BEGIN (BOTH);
 }
 
 void
-DEFUN_VOID(ldlex_popstate)
+ldlex_popstate (void)
 {
-yy_start = *(--state_stack_p);
+  yy_start = *(--state_stack_p);
 }
+
 
-yy_input(buf, result, max_size)
-char *buf;
-int *result;
-int max_size;
+/* Place up to MAX_SIZE characters in BUF and return in *RESULT
+   either the number of characters read, or 0 to indicate EOF.  */
+
+static void
+yy_input (char *buf, int *result, int max_size)
 {
-  *result = 0; 
-  if (yy_current_buffer->yy_input_file)
+  *result = 0;
+  if (YY_CURRENT_BUFFER->yy_input_file)
+    {
+      if (yyin)
+	{
+	  *result = fread (buf, 1, max_size, yyin);
+	  if (*result < max_size && ferror (yyin))
+	    einfo ("%F%P: read in flex scanner failed\n");
+	}
+    }
+}
+
+/* Eat the rest of a C-style comment.  */
+
+static void
+comment (void)
+{
+  int c;
+
+  while (1)
   {
-    if (yyin)
-     if ( (*result = read( fileno(yyin), (char *) buf, max_size )) < 0 ) 
-      YY_FATAL_ERROR( "read() in flex scanner failed" );
+    c = input();
+    while (c != '*' && c != EOF)
+    {
+      if (c == '\n')
+	lineno++;
+      c = input();
+    }
+
+    if (c == '*')
+    {
+      c = input();
+      while (c == '*')
+       c = input();
+      if (c == '/')
+       break;			/* found the end */
+    }
+
+    if (c == '\n')
+      lineno++;
+
+    if (c == EOF)
+    {
+      einfo( "%F%P: EOF in comment\n");
+      break;
+    }
   }
 }
 
+/* Warn the user about a garbage character WHAT in the input
+   in context WHERE.  */
+
+static void
+lex_warn_invalid (char *where, char *what)
+{
+  char buf[5];
+
+  /* If we have found an input file whose format we do not recognize,
+     and we are therefore treating it as a linker script, and we find
+     an invalid character, then most likely this is a real object file
+     of some different format.  Treat it as such.  */
+  if (ldfile_assumed_script)
+    {
+      bfd_set_error (bfd_error_file_not_recognized);
+      einfo ("%F%s: file not recognized: %E\n", ldfile_input_filename);
+    }
+
+  if (! ISPRINT (*what))
+    {
+      sprintf (buf, "\\%03o", (unsigned int) *what);
+      what = buf;
+    }
+
+  einfo ("%P:%S: ignoring invalid character `%s'%s\n", what, where);
+}