%{
-/* Copyright (C) 1991, 92, 93, 94, 95, 96, 1997 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.
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, 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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
#include <ansidecl.h>
#include <stdio.h>
-#include <ctype.h>
#ifdef MPW
/* Prevent enum redefinition problems. */
#include "bfd.h"
#include "sysdep.h"
+#include "safe-ctype.h"
#include "ld.h"
#include "ldgram.h"
#include "ldmisc.h"
#include "ldfile.h"
#include "ldlex.h"
#include "ldmain.h"
+#include "libiberty.h"
/* The type of top-level parser input.
yylex and yyparse (indirectly) both check this. */
input_type parser_input;
-/* Radix to use for bfd_scan_vma -- 0 (default to base 10) or 16. */
-int hex_mode;
-
/* Line number in the current input file.
(FIXME Actually, it doesn't appear to get reset for each file?) */
unsigned int lineno = 1;
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,
size_t size));
NOCFILENAMECHAR [_a-zA-Z0-9\/\.\-\_\+\$\:\[\]\\\~]
V_TAG [.$_a-zA-Z][._a-zA-Z0-9]*
-V_IDENTIFIER [*?$_a-zA-Z][*?_a-zA-Z0-9]*
+V_IDENTIFIER [*?.$_a-zA-Z]([*?.$_a-zA-Z0-9]|::)*
%s SCRIPT
%s EXPRESSION
<DEFSYMEXP>"-" { RTOKEN('-');}
<DEFSYMEXP>"+" { RTOKEN('+');}
-<DEFSYMEXP>{FILENAMECHAR1}{SYMBOLCHARN}* { yylval.name = buystring(yytext); return NAME; }
+<DEFSYMEXP>{FILENAMECHAR1}{SYMBOLCHARN}* { yylval.name = xstrdup(yytext); return NAME; }
<DEFSYMEXP>"=" { RTOKEN('='); }
<MRI,EXPRESSION>"$"([0-9A-Fa-f])+ {
ibase);
return INT;
}
-<SCRIPT,DEFSYMEXP,MRI,BOTH,EXPRESSION>"$"?"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') {
- yylval.integer *= 1024;
- }
+<SCRIPT,DEFSYMEXP,MRI,BOTH,EXPRESSION>((("$"|"0x")([0-9A-Fa-f])+)|(([0-9])+))(M|K|m|k)? {
+ char *s = yytext;
+
+ if (*s == '$')
+ ++s;
+ yylval.integer = bfd_scan_vma (s, 0, 0);
+ if (yytext[yyleng-1] == 'M'
+ || yytext[yyleng-1] == 'm')
+ yylval.integer *= 1024 * 1024;
+ if (yytext[yyleng-1] == 'K'
+ || yytext[yyleng-1]=='k')
+ yylval.integer *= 1024;
return INT;
}
<BOTH,SCRIPT,EXPRESSION,MRI>"]" { RTOKEN(']');}
<BOTH,SCRIPT,EXPRESSION,MRI>";" { RTOKEN(';');}
<BOTH,SCRIPT>"MEMORY" { RTOKEN(MEMORY);}
<BOTH,SCRIPT>"ORIGIN" { RTOKEN(ORIGIN);}
-<BOTH,SCRIPT>"VERSION" { RTOKEN(VERSION);}
+<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>"ADDR" { RTOKEN(ADDR);}
<EXPRESSION,BOTH,SCRIPT>"LOADADDR" { RTOKEN(LOADADDR);}
-<EXPRESSION,BOTH>"MAX" { RTOKEN(MAX); }
-<EXPRESSION,BOTH>"MIN" { RTOKEN(MIN); }
+<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);}
<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);}
<BOTH,SCRIPT>"NOFLOAT" { RTOKEN(NOFLOAT);}
<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);}
<BOTH,SCRIPT>"PHDRS" { RTOKEN (PHDRS); }
<EXPRESSION,BOTH,SCRIPT>"AT" { RTOKEN(AT);}
<EXPRESSION,BOTH,SCRIPT>"PROVIDE" { RTOKEN(PROVIDE); }
-<MRI>"#".*\n?\r? { ++ lineno; }
+<EXPRESSION,BOTH,SCRIPT>"KEEP" { RTOKEN(KEEP); }
+<EXPRESSION,BOTH,SCRIPT>"EXCLUDE_FILE" { RTOKEN(EXCLUDE_FILE); }
+<MRI>"#".*\n? { ++ lineno; }
<MRI>"\n" { ++ lineno; RTOKEN(NEWLINE); }
-<MRI>"\r" { ++ lineno; RTOKEN(NEWLINE); }
<MRI>"*".* { /* Mri comment line */ }
<MRI>";".* { /* Mri comment line */ }
<MRI>"END" { RTOKEN(ENDWORD); }
<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>{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;
}
<BOTH,EXPRESSION>"-l"{FILENAMECHAR}+ {
- yylval.name = buystring (yytext + 2);
+ yylval.name = xstrdup (yytext + 2);
return LNAME;
}
-<SCRIPT>{WILDCHAR}* { yylval.name = buystring(yytext); return NAME; }
+<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>"\""[^\"]*"\"" {
+<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++;}
-<BOTH,SCRIPT,EXPRESSION>"\r" { lineno++;}
-<MRI,BOTH,SCRIPT,EXPRESSION>[ \t]
+<MRI,BOTH,SCRIPT,EXPRESSION>[ \t\r]+ { }
<VERS_NODE,VERS_SCRIPT>[:,;] { return *yytext; }
<VERS_NODE>local { RTOKEN(LOCAL); }
-<VERS_NODE>{V_IDENTIFIER} { yylval.name = buystring (yytext);
+<VERS_NODE>extern { RTOKEN(EXTERN); }
+
+<VERS_NODE>{V_IDENTIFIER} { yylval.name = xstrdup (yytext);
return VERS_IDENTIFIER; }
-<VERS_SCRIPT>{V_TAG} { yylval.name = buystring (yytext);
+<VERS_SCRIPT>{V_TAG} { yylval.name = xstrdup (yytext);
return VERS_TAG; }
<VERS_START>"{" { BEGIN(VERS_SCRIPT); return *yytext; }
-<VERS_SCRIPT>"{" { BEGIN(VERS_NODE); return *yytext; }
-<VERS_SCRIPT,VERS_NODE>"}" { 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\r] { lineno++; }
+<VERS_START,VERS_NODE,VERS_SCRIPT>[\n] { lineno++; }
<VERS_START,VERS_NODE,VERS_SCRIPT>#.* { /* Eat up comments */ }
-<VERS_START,VERS_NODE,VERS_SCRIPT>[ \t]+ { /* Eat up whitespace */ }
+<VERS_START,VERS_NODE,VERS_SCRIPT>[ \t\r]+ { /* Eat up whitespace */ }
<<EOF>> {
include_stack_ptr--;
else
{
yy_switch_to_buffer(include_stack[include_stack_ptr]);
-
}
- BEGIN(SCRIPT);
+
ldfile_input_filename = file_name_stack[include_stack_ptr - 1];
- lineno = lineno_stack[include_stack_ptr - 1];
+ lineno = lineno_stack[include_stack_ptr];
return END;
}
einfo("%F:includes nested too deeply\n");
}
file_name_stack[include_stack_ptr] = name;
- lineno_stack[include_stack_ptr] = 1;
+ 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,
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
einfo("%F: macros nested too deeply\n");
}
file_name_stack[include_stack_ptr] = "redirect";
- lineno_stack[include_stack_ptr] = 0;
+ 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);
- BEGIN (SCRIPT);
}
\f
/* Functions to switch to a different flex start condition,
{
if (yyin)
{
- *result = read (fileno (yyin), (char *) buf, max_size);
- if (*result < 0)
+ *result = fread ((char *) buf, 1, max_size, yyin);
+ if (*result < max_size && ferror (yyin))
einfo ("%F%P: read in flex scanner failed\n");
}
}
c = input();
while (c != '*' && c != EOF)
{
- if (c == '\n' || c == '\r')
+ if (c == '\n')
lineno++;
c = input();
}
break; /* found the end */
}
- if (c == '\n' || c == '\r')
+ if (c == '\n')
lineno++;
if (c == EOF)
einfo ("%F%s: file not recognized: %E\n", ldfile_input_filename);
}
- if (! isprint ((unsigned char) *what))
+ if (! ISPRINT (*what))
{
sprintf (buf, "\\%03o", (unsigned int) *what);
what = buf;