X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=ld%2Fldlex.l;h=5b799c4074b53e2a07c279beb3358d10cf2af2d4;hb=9c3b31c63623665c3a87ef9311cde9507b7ac6a6;hp=cdc4249907817ec6ed24fba92e3a393c06521462;hpb=c477527cbba110e90f3ef2ff059d26b97ec3ed2f;p=deliverable%2Fbinutils-gdb.git

diff --git a/ld/ldlex.l b/ld/ldlex.l
index cdc4249907..5b799c4074 100644
--- a/ld/ldlex.l
+++ b/ld/ldlex.l
@@ -1,6 +1,7 @@
 %{
 
-/* Copyright (C) 1991, 1993 Free Software Foundation, Inc.
+/* Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
+   2000, 2001, 2002  Free Software Foundation, Inc.
 
 This file is part of GLD, the Gnu Linker.
 
@@ -15,8 +16,9 @@ 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, 675 Mass Ave, Cambridge, MA 02139, USA.  */
+along with GLD; see the file COPYING.  If not, write to the Free
+Software Foundation, 59 Temple Place - Suite 330, Boston, MA
+02111-1307, USA.  */
 
 /*
 This was written by steve chamberlain
@@ -24,48 +26,81 @@ This was written by steve chamberlain
 */
 
 
-#include <ansidecl.h>
+#include "ansidecl.h"
 #include <stdio.h>
+
+#ifdef MPW
+/* Prevent enum redefinition problems. */
+#define TRUE_FALSE_ALREADY_DEFINED
+#endif /* MPW */
+
 #include "bfd.h"
 #include "sysdep.h"
+#include "safe-ctype.h"
+#include "bfdlink.h"
 #include "ld.h"
-#include "ldgram.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 ldgram_in_defsym;
-
-int hex_mode;
+/* 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;
-int old;
+
+/* The string we are currently lexing, or NULL if we are reading a
+   file.  */
+const char *lex_string = NULL;
+
+/* 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.
+
+   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(s)
+
 #define MAX_INCLUDE_DEPTH 10
-YY_BUFFER_STATE include_stack[MAX_INCLUDE_DEPTH];
-char *file_name_stack[MAX_INCLUDE_DEPTH];
-unsigned int include_stack_ptr = 0;
+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 YY_BUFFER_STATE yy_create_string_buffer PARAMS ((const char *string,
-							int size));
+							size_t size));
 static void yy_input PARAMS ((char *, int *result, int max_size));
+
 static void comment PARAMS ((void));
+static void lex_warn_invalid PARAMS ((char *where, char *what));
 
 /* 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
+	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 () { return 1; }
+#endif
 %}
 
 %a 4000
@@ -74,243 +109,163 @@ static void comment PARAMS ((void));
 CMDFILENAMECHAR   [_a-zA-Z0-9\/\.\\_\+\$\:\[\]\\\,\=\&\!\<\>\-\~]
 CMDFILENAMECHAR1  [_a-zA-Z0-9\/\.\\_\+\$\:\[\]\\\,\=\&\!\<\>\~]
 FILENAMECHAR1	[_a-zA-Z\/\.\\\$\_\~]
-SYMBOLCHARN     [_a-zA-Z\/\.\\0-9]
+SYMBOLCHARN     [_a-zA-Z\/\.\\\$\_\~0-9]
 FILENAMECHAR	[_a-zA-Z0-9\/\.\-\_\+\=\$\:\[\]\\\,\~]
-FILENAME	{FILENAMECHAR}+
-WHITE		[ \t\n]+ 
+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 COMMAND
 %s SCRIPT
 %s EXPRESSION
-%s COMMENT
 %s BOTH
 %s DEFSYMEXP
 %s MRI
+%s VERS_START
+%s VERS_SCRIPT
+%s VERS_NODE
 %%
 
+  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_defsym: return INPUT_DEFSYM; break;
+	default: abort ();
+	}
+    }
 
-<BOTH,SCRIPT,EXPRESSION,COMMAND>"/*"	{ comment(); }
+<BOTH,SCRIPT,EXPRESSION>"/*"	{ comment(); }
 
 
 <DEFSYMEXP>"-"                  { RTOKEN('-');}
 <DEFSYMEXP>"+"                  { RTOKEN('+');}
-<DEFSYMEXP>{FILENAMECHAR1}{SYMBOLCHARN}*   { yylval.name = buystring(yytext); return NAME; }
-<DEFSYMEXP>[ \t]                { RTOKEN(DEFSYMEND); }
+<DEFSYMEXP>{FILENAMECHAR1}{SYMBOLCHARN}*   { yylval.name = xstrdup(yytext); return NAME; }
 <DEFSYMEXP>"="                  { RTOKEN('='); }
-<COMMAND>"--help"		{ return OPTION_help; }
-<COMMAND>"--version"		{ return OPTION_version; }
-<COMMAND>"-defsym"{WHITE}*	{ return OPTION_defsym; }
-<COMMAND>"-format"		{ return OPTION_format; }
-<COMMAND>"-noinhibit-exec"	{ return OPTION_noinhibit_exec; }
-<COMMAND>"-noinhibit_exec" 	{ return OPTION_noinhibit_exec; }
-<COMMAND>"-oformat"		{ return OPTION_oformat; }
-<COMMAND>"-sort-common"		{ return OPTION_sort_common;}
-<COMMAND>"-sort_common"		{ return OPTION_sort_common;}
-<COMMAND>"-warn-common"		{ return OPTION_warn_common;}
-<COMMAND>"-n"			{ return OPTION_n; }
-<COMMAND>"-N"			{ return OPTION_N; }
-<COMMAND>"-r"			{ return OPTION_r; }
-<COMMAND>"-stats"		{ return OPTION_stats; }
-<COMMAND>"-no-keep-memory"	{ return OPTION_no_keep_memory; }
-<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>"-m"{FILENAME}		{ return OPTION_memul; }
-<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_Lfile;
-				}
-<COMMAND>"-L"			{ 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"([0-9])+		{
-					yylval.integer = atoi (yytext + 2);
-					return OPTION_Oval;
-				}
-<COMMAND>"-O"{FILENAME} 	{
-				yylval.name = buystring(yytext+2);
-				return OPTION_Texp;
-				}
-
-<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>"-y"{FILENAME}         {
-					yylval.name = buystring(yytext+2);
-					return OPTION_y;
-				}
-				
-<COMMAND>"-A"{FILENAME} 	{
-		                	yylval.name = buystring(yytext+2);
-				 	return OPTION_Aarch;
-			       	}
-
-<COMMAND>"-retain-symbols-file"	{ return OPTION_RETAIN_SYMBOLS_FILE; }
-
-<COMMAND>"-EB"          	{
-					return OPTION_EB;
-				}
-<COMMAND>"-EL"        		{
-					return OPTION_EL;
-				}
-<COMMAND>"-G"			{
-					return OPTION_G;
-				}
-<COMMAND>"-G"([0-9])+		{
-					yylval.integer = atoi (yytext + 2);
-					return OPTION_Gval;
-				}
-
-<COMMAND>"-Qy"			{	return OPTION_Qy; }
-<COMMAND>"-dn"			{	return OPTION_dn; }
-<COMMAND>"-Y"			{	return OPTION_Y;  }
-<COMMAND>"-YP,"{FILENAME}	{
-					yylval.name = buystring (yytext+4);
-					return OPTION_YP;
-				}
-<COMMAND>"-non_shared"		{	return OPTION_non_shared; }
-<COMMAND>"-call_shared"		{	return OPTION_call_shared; }
 
 <MRI,EXPRESSION>"$"([0-9A-Fa-f])+ {
   				yylval.integer = bfd_scan_vma (yytext+1, 0,16);
+				yylval.bigint.str = (char *) 0;
 				return INT;
 			}
 
-<MRI,EXPRESSION>([0-9A-Fa-f])+(H|X|B|O|D) {
+<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':
+				    case 'h':
 				     ibase = 16;
 				     break;
 				    case 'O':
+				    case 'o':
 				     ibase = 8;
 				     break;
 				    case 'B':
+				    case 'b':
 				     ibase = 2;
 				     break;
 				    default:
 				     ibase = 10;
 				   }
-				   yylval.integer = bfd_scan_vma (yytext+1, 0,
+				   yylval.integer = bfd_scan_vma (yytext, 0,
 								  ibase);
+				   yylval.bigint.str = (char *) 0;
 				   return INT;
 				 }
-<SCRIPT,DEFSYMEXP,MRI,BOTH,EXPRESSION>"$"?"0x"?([0-9A-Fa-f])+(M|K|m|k)? {
-				  yylval.integer = bfd_scan_vma (yytext, 0,
-								 hex_mode);
-				  if (yytext[yyleng-1]=='M'
-					|| yytext[yyleng-1] == 'm') {
-				      yylval.integer *= 1024*1024;
-				    }	
-				  if (yytext[yyleng-1]=='K' 
-				|| yytext[yyleng-1]=='k') {
+<SCRIPT,DEFSYMEXP,MRI,BOTH,EXPRESSION>((("$"|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 = (char *) 0;
+				  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,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>"ORIGIN"		{ RTOKEN(ORIGIN);}
-<BOTH,SCRIPT>"BLOCK"			{ RTOKEN(BLOCK);}
+<BOTH,SCRIPT>"VERSION"		{ RTOKEN(VERSIONK);}
+<EXPRESSION,BOTH,SCRIPT>"BLOCK"		{ RTOKEN(BLOCK);}
+<EXPRESSION,BOTH,SCRIPT>"BIND"		{ RTOKEN(BIND);}
 <BOTH,SCRIPT>"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_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);}
+<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);}
@@ -320,10 +275,12 @@ NOCFILENAMECHAR	[_a-zA-Z0-9\/\.\-\_\+\$\:\[\]\\\~]
 <BOTH,SCRIPT>"SEARCH_DIR"		{ RTOKEN(SEARCH_DIR);}
 <BOTH,SCRIPT>"OUTPUT"		{ RTOKEN(OUTPUT);}
 <BOTH,SCRIPT>"INPUT"			{ RTOKEN(INPUT);}
+<EXPRESSION,BOTH,SCRIPT>"GROUP"		{ RTOKEN(GROUP);}
 <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>"INHIBIT_COMMON_ALLOCATION" { RTOKEN(INHIBIT_COMMON_ALLOCATION);}
 <BOTH,SCRIPT>"SECTIONS"		{ RTOKEN(SECTIONS);}
 <BOTH,SCRIPT>"FILL"			{ RTOKEN(FILL);}
 <BOTH,SCRIPT>"STARTUP"		{ RTOKEN(STARTUP);}
@@ -333,27 +290,36 @@ NOCFILENAMECHAR	[_a-zA-Z0-9\/\.\-\_\+\$\:\[\]\\\~]
 <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);}
-<EXPRESSION,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);}
+<EXPRESSION,BOTH,SCRIPT>"NOCROSSREFS"	{ RTOKEN(NOCROSSREFS);}
+<BOTH,SCRIPT>"OVERLAY"			{ RTOKEN(OVERLAY); }
+<BOTH,SCRIPT>"SORT"			{ RTOKEN(SORT); }
+<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);}
 <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>"PROVIDE"		{ RTOKEN(PROVIDE); }
+<EXPRESSION,BOTH,SCRIPT>"KEEP"		{ RTOKEN(KEEP); }
+<EXPRESSION,BOTH,SCRIPT>"EXCLUDE_FILE"        { RTOKEN(EXCLUDE_FILE); }
+<MRI>"#".*\n?			{ ++ lineno; }
 <MRI>"\n"	                { ++ lineno;  RTOKEN(NEWLINE); }
 <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); }
@@ -363,49 +329,104 @@ NOCFILENAMECHAR	[_a-zA-Z0-9\/\.\-\_\+\$\:\[\]\\\~]
 <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); }
 <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); }
 <EXPRESSION,BOTH,SCRIPT,MRI>"absolute"			{ RTOKEN(ABSOLUTE); }
 
-<COMMAND>{CMDFILENAMECHAR1}{CMDFILENAMECHAR}*	{
-				 yylval.name = buystring(yytext); 
-				  return NAME;
-				}
-
-
 <MRI>{FILENAMECHAR1}{NOCFILENAMECHAR}*	{
 /* Filename without commas, needed to parse mri stuff */
-				 yylval.name = buystring(yytext); 
+				 yylval.name = xstrdup(yytext); 
 				  return NAME;
 				}
 
 
 <BOTH,EXPRESSION>{FILENAMECHAR1}{FILENAMECHAR}*	{
-				 yylval.name = buystring(yytext); 
+				 yylval.name = xstrdup(yytext); 
 				  return NAME;
 				}
-<SCRIPT,COMMAND>{FILENAMECHAR}* { yylval.name = buystring(yytext); 
-				  return NAME;
+<BOTH,EXPRESSION>"-l"{FILENAMECHAR}+ {
+				  yylval.name = xstrdup (yytext + 2);
+				  return LNAME;
 				}
-
-<EXPRESSION,BOTH,COMMAND,SCRIPT>"\""[^\"]*"\"" {
+<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 = 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]+	{ }
+
+<VERS_NODE,VERS_SCRIPT>[:,;]	{ return *yytext; }
+
+<VERS_NODE>global		{ RTOKEN(GLOBAL); }
+
+<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--;
@@ -417,146 +438,160 @@ NOCFILENAMECHAR	[_a-zA-Z0-9\/\.\-\_\+\$\:\[\]\\\~]
   else 
   {
     yy_switch_to_buffer(include_stack[include_stack_ptr]);
-
-  }
-  if (include_stack_ptr==1) 
-  {
-    BEGIN(COMMAND);
-  }
-  else 
-  {
-    BEGIN(SCRIPT);
-    ldfile_input_filename = file_name_stack[include_stack_ptr-1];
   }
 
+  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
 lex_push_file (file, name)
      FILE *file;
-     char *name;
+     const char *name;
 {
   if (include_stack_ptr >= MAX_INCLUDE_DEPTH) 
-  {
-    einfo("%F:includes nested too deeply\n");
-  }
+    {
+      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;
 
   include_stack_ptr++;
+  lineno = 1;
   yyin = file;
   yy_switch_to_buffer(yy_create_buffer(yyin, YY_BUF_SIZE));
-
-  BEGIN(SCRIPT);
 }
 
+/* Return a newly created flex input buffer containing STRING,
+   which is SIZE bytes long.  */
+
 static YY_BUFFER_STATE 
-yy_create_string_buffer (string,  size)
-     CONST char *string;
-     int size;
+yy_create_string_buffer (string, size)
+     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 = (YY_BUFFER_STATE) 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 = (char *) 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
 lex_redirect (string)
-     CONST  char *string;
+     const char *string;
 {
   YY_BUFFER_STATE tmp;
 
-  int len = strlen(string);
-  yy_init = 0  ;  
+  yy_init = 0;
   if (include_stack_ptr >= MAX_INCLUDE_DEPTH) 
-  {
-    einfo("%F: macros nested too deeply\n");
-  }
+    {
+      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++;
-  tmp =   yy_create_string_buffer(string, len);
-  
-  yy_switch_to_buffer(tmp);
-  BEGIN(COMMAND);
-  yyout = stdout;
+  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
 ldlex_script ()
 {
   *(state_stack_p)++ = yy_start;
-
-  BEGIN(SCRIPT);
+  BEGIN (SCRIPT);
 }
 
-
 void
 ldlex_mri_script ()
 {
   *(state_stack_p)++ = yy_start;
-  BEGIN(MRI);
+  BEGIN (MRI);
 }
 
 void
-ldlex_defsym ()
+ldlex_version_script ()
 {
   *(state_stack_p)++ = yy_start;
-  BEGIN(DEFSYMEXP);
+  BEGIN (VERS_START);
 }
-	   
+
 void
-ldlex_expression ()
+ldlex_version_file ()
 {
   *(state_stack_p)++ = yy_start;
-  BEGIN(EXPRESSION);
+  BEGIN (VERS_SCRIPT);
+}
 
+void
+ldlex_defsym ()
+{
+  *(state_stack_p)++ = yy_start;
+  BEGIN (DEFSYMEXP);
 }
+	   
 void
-ldlex_both ()
+ldlex_expression ()
 {
   *(state_stack_p)++ = yy_start;
-  BEGIN(BOTH);
+  BEGIN (EXPRESSION);
 }
+
 void
-ldlex_command ()
+ldlex_both ()
 {
   *(state_stack_p)++ = yy_start;
-  BEGIN(COMMAND);
+  BEGIN (BOTH);
 }
 
 void
@@ -564,49 +599,90 @@ ldlex_popstate ()
 {
   yy_start = *(--state_stack_p);
 }
+
+
+/* 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(buf, result, max_size)
-char *buf;
-int *result;
-int max_size;
+yy_input (buf, result, max_size)
+     char *buf;
+     int *result;
+     int max_size;
 {
   *result = 0; 
   if (yy_current_buffer->yy_input_file)
-  {
-    if (yyin)
-     if ( (*result = read( fileno(yyin), (char *) buf, max_size )) < 0 ) 
-      YY_FATAL_ERROR( "read() in flex scanner failed" );
-  }
+    {
+      if (yyin)
+	{
+	  *result = fread ((char *) 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 ()
 {
   int c;
+
   while (1)
   {
     c = input();
-    while (c !='*' && c != EOF) 
+    while (c != '*' && c != EOF) 
     {
-      if (c == '\n') lineno++;
+      if (c == '\n')
+	lineno++;
       c = input();
     }
 
-
     if (c == '*')
     {
       c = input();
-      while ( c == '*')
+      while (c == '*')
        c = input();
-      if ( c == '/' )
+      if (c == '/')
        break;			/* found the end */
     }
 
-    if ( c == EOF )
+    if (c == '\n')
+      lineno++;
+
+    if (c == EOF)
     {
-      einfo( "%F%P :EOF in comment\n");
+      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 (where, what)
+     char *where, *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);
+}