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Diffstat (limited to 'gnu/usr.bin/binutils/ld/ldlex.l')
-rw-r--r--gnu/usr.bin/binutils/ld/ldlex.l136
1 files changed, 106 insertions, 30 deletions
diff --git a/gnu/usr.bin/binutils/ld/ldlex.l b/gnu/usr.bin/binutils/ld/ldlex.l
index 0df0c45d383..2eef80f1fe2 100644
--- a/gnu/usr.bin/binutils/ld/ldlex.l
+++ b/gnu/usr.bin/binutils/ld/ldlex.l
@@ -1,6 +1,7 @@
%{
-/* Copyright (C) 1991, 92, 93, 94, 95, 1996 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 92, 93, 94, 95, 96, 97, 98, 1999
+ 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, 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
@@ -48,9 +50,6 @@ This was written by steve chamberlain
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;
@@ -75,6 +74,7 @@ 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));
@@ -89,6 +89,9 @@ static void lex_warn_invalid PARAMS ((char *where, char *what));
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; }
@@ -111,12 +114,17 @@ 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)
@@ -128,6 +136,7 @@ NOCFILENAMECHAR [_a-zA-Z0-9\/\.\-\_\+\$\:\[\]\\\~]
{
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 ();
}
@@ -170,17 +179,18 @@ NOCFILENAMECHAR [_a-zA-Z0-9\/\.\-\_\+\$\:\[\]\\\~]
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(']');}
@@ -223,15 +233,18 @@ NOCFILENAMECHAR [_a-zA-Z0-9\/\.\-\_\+\$\:\[\]\\\~]
<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>"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);}
@@ -255,12 +268,14 @@ 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>"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);}
@@ -274,9 +289,10 @@ NOCFILENAMECHAR [_a-zA-Z0-9\/\.\-\_\+\$\:\[\]\\\~]
<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); }
@@ -292,7 +308,6 @@ NOCFILENAMECHAR [_a-zA-Z0-9\/\.\-\_\+\$\:\[\]\\\~]
<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); }
@@ -331,9 +346,24 @@ NOCFILENAMECHAR [_a-zA-Z0-9\/\.\-\_\+\$\:\[\]\\\~]
yylval.name = buystring (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 = buystring(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);
@@ -341,8 +371,40 @@ NOCFILENAMECHAR [_a-zA-Z0-9\/\.\-\_\+\$\:\[\]\\\~]
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 = buystring (yytext);
+ return VERS_IDENTIFIER; }
+
+<VERS_SCRIPT>{V_TAG} { yylval.name = buystring (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--;
@@ -363,7 +425,7 @@ NOCFILENAMECHAR [_a-zA-Z0-9\/\.\-\_\+\$\:\[\]\\\~]
return END;
}
-<SCRIPT,MRI>. lex_warn_invalid(" in script", yytext);
+<SCRIPT,MRI,VERS_START,VERS_SCRIPT,VERS_NODE>. lex_warn_invalid(" in script", yytext);
<EXPRESSION,DEFSYMEXP,BOTH>. lex_warn_invalid(" in expression", yytext);
%%
@@ -472,6 +534,20 @@ ldlex_mri_script ()
}
void
+ldlex_version_script ()
+{
+ *(state_stack_p)++ = yy_start;
+ BEGIN (VERS_START);
+}
+
+void
+ldlex_version_file ()
+{
+ *(state_stack_p)++ = yy_start;
+ BEGIN (VERS_SCRIPT);
+}
+
+void
ldlex_defsym ()
{
*(state_stack_p)++ = yy_start;
@@ -515,7 +591,7 @@ yy_input (buf, result, max_size)
{
*result = read (fileno (yyin), (char *) buf, max_size);
if (*result < 0)
- einfo ("%F%P: read in flex scanner failed");
+ einfo ("%F%P: read in flex scanner failed\n");
}
}
}
@@ -532,7 +608,7 @@ comment ()
c = input();
while (c != '*' && c != EOF)
{
- if (c == '\n' || c == '\r')
+ if (c == '\n')
lineno++;
c = input();
}
@@ -546,7 +622,7 @@ comment ()
break; /* found the end */
}
- if (c == '\n' || c == '\r')
+ if (c == '\n')
lineno++;
if (c == EOF)
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