%{
-/* Copyright (C) 1991, 92, 93, 94, 95, 1996 Free Software Foundation, Inc.
+/* Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
+ 2000, 2001, 2002, 2003 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 "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"
/* 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;
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)
+#define YY_INPUT(buf,result,max_size) yy_input (buf, &result, max_size)
#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 YY_BUFFER_STATE yy_create_string_buffer PARAMS ((const char *string,
- 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));
+static void yy_input (char *, int *, int);
+static void comment (void);
+static void lex_warn_invalid (char *where, char *what);
-/* STATES
+/* 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 () { return 1; }
+int yywrap (void) { return 1; }
#endif
%}
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\/\.\-\_\+\=\$\:\[\]\\\,\~]
WILDCHAR [_a-zA-Z0-9\/\.\-\_\+\=\$\:\[\]\\\,\~\?\*]
-WHITE [ \t\n\r]+
+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
%%
if (parser_input != input_selected)
{
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>"/*" { comment(); }
+<BOTH,SCRIPT,EXPRESSION,VERS_START,VERS_NODE,VERS_SCRIPT>"/*" { comment (); }
<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>"$"([0-9A-Fa-f])+ {
- yylval.integer = bfd_scan_vma (yytext+1, 0,16);
+ yylval.integer = bfd_scan_vma (yytext + 1, 0, 16);
+ yylval.bigint.str = NULL;
return INT;
}
<MRI,EXPRESSION>([0-9A-Fa-f])+(H|h|X|x|B|b|O|o|D|d) {
int ibase ;
- switch (yytext[yyleng-1]) {
- case 'X':
+ switch (yytext[yyleng - 1]) {
+ case 'X':
case 'x':
case 'H':
case 'h':
}
yylval.integer = bfd_scan_vma (yytext, 0,
ibase);
+ yylval.bigint.str = NULL;
return INT;
}
-<SCRIPT,DEFSYMEXP,MRI,BOTH,EXPRESSION>"$"?"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 = 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,MRI>"]" { RTOKEN(']');}
<BOTH,SCRIPT,EXPRESSION,MRI>";" { RTOKEN(';');}
<BOTH,SCRIPT>"MEMORY" { RTOKEN(MEMORY);}
<BOTH,SCRIPT>"ORIGIN" { RTOKEN(ORIGIN);}
+<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);}
<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>"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>"NOCROSSREFS" { RTOKEN(NOCROSSREFS);}
+<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[yyleng-2] = 0;
+ 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>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--;
-
- if (include_stack_ptr == 0)
+
+ if (include_stack_ptr == 0)
{
- yyterminate();
+ yyterminate ();
}
- else
+ else
{
- yy_switch_to_buffer(include_stack[include_stack_ptr]);
-
+ 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;
}
-<SCRIPT,MRI>. lex_warn_invalid(" in script", yytext);
-<EXPRESSION,DEFSYMEXP,BOTH>. lex_warn_invalid(" in expression", yytext);
-
+<SCRIPT,MRI,VERS_START,VERS_SCRIPT,VERS_NODE>. lex_warn_invalid (" in script", yytext);
+<EXPRESSION,DEFSYMEXP,BOTH>. lex_warn_invalid (" in expression", yytext);
+
%%
\f
saving the current input info on the include stack. */
void
-lex_push_file (file, name)
- FILE *file;
- const char *name;
+lex_push_file (FILE *file, const char *name)
{
- if (include_stack_ptr >= MAX_INCLUDE_DEPTH)
+ 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] = 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);
+ yy_switch_to_buffer (yy_create_buffer (yyin, YY_BUF_SIZE));
}
/* 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;
- size_t size;
+static YY_BUFFER_STATE
+yy_create_string_buffer (const char *string, size_t size)
{
YY_BUFFER_STATE b;
/* Calls to m-alloc get turned by sed into xm-alloc. */
- b = (YY_BUFFER_STATE) malloc (sizeof (struct yy_buffer_state));
+ b = malloc (sizeof (struct yy_buffer_state));
b->yy_input_file = 0;
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 = (char *) malloc ((unsigned) (b->yy_buf_size + 3));
+ b->yy_ch_buf = malloc ((unsigned) (b->yy_buf_size + 3));
b->yy_ch_buf[0] = '\n';
strcpy (b->yy_ch_buf+1, 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
on the include stack. */
void
-lex_redirect (string)
- CONST char *string;
+lex_redirect (const char *string)
{
YY_BUFFER_STATE tmp;
yy_init = 0;
- if (include_stack_ptr >= MAX_INCLUDE_DEPTH)
+ 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] = 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,
static int *state_stack_p = state_stack;
void
-ldlex_script ()
+ldlex_script (void)
{
*(state_stack_p)++ = yy_start;
BEGIN (SCRIPT);
}
void
-ldlex_mri_script ()
+ldlex_mri_script (void)
{
*(state_stack_p)++ = yy_start;
BEGIN (MRI);
}
void
-ldlex_defsym ()
+ldlex_version_script (void)
+{
+ *(state_stack_p)++ = yy_start;
+ BEGIN (VERS_START);
+}
+
+void
+ldlex_version_file (void)
+{
+ *(state_stack_p)++ = yy_start;
+ BEGIN (VERS_SCRIPT);
+}
+
+void
+ldlex_defsym (void)
{
*(state_stack_p)++ = yy_start;
BEGIN (DEFSYMEXP);
}
-
+
void
-ldlex_expression ()
+ldlex_expression (void)
{
*(state_stack_p)++ = yy_start;
BEGIN (EXPRESSION);
}
void
-ldlex_both ()
+ldlex_both (void)
{
*(state_stack_p)++ = yy_start;
BEGIN (BOTH);
}
void
-ldlex_popstate ()
+ldlex_popstate (void)
{
yy_start = *(--state_stack_p);
}
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 (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 = read (fileno (yyin), (char *) buf, max_size);
- if (*result < 0)
- einfo ("%F%P: read in flex scanner failed");
+ *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 ()
+comment (void)
{
int c;
while (1)
{
c = input();
- while (c != '*' && c != EOF)
+ 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)
in context WHERE. */
static void
-lex_warn_invalid (where, what)
- char *where, *what;
+lex_warn_invalid (char *where, char *what)
{
char buf[5];
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;