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NetBSD/gnu/dist/gas/m68k-parse.c
gwr 32adbb9246 stock binutils-2.8
1997-09-24 15:39:15 +00:00

1990 lines
51 KiB
C
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/* A Bison parser, made from ./config/m68k-parse.y with Bison version GNU Bison version 1.24
*/
#define YYBISON 1 /* Identify Bison output. */
#define DR 258
#define AR 259
#define FPR 260
#define FPCR 261
#define LPC 262
#define ZAR 263
#define ZDR 264
#define LZPC 265
#define CREG 266
#define INDEXREG 267
#define EXPR 268
#line 27 "./config/m68k-parse.y"
#include "as.h"
#include "tc-m68k.h"
#include "m68k-parse.h"
/* Remap normal yacc parser interface names (yyparse, yylex, yyerror,
etc), as well as gratuitiously global symbol names If other parser
generators (bison, byacc, etc) produce additional global names that
conflict at link time, then those parser generators need to be
fixed instead of adding those names to this list. */
#define yymaxdepth m68k_maxdepth
#define yyparse m68k_parse
#define yylex m68k_lex
#define yyerror m68k_error
#define yylval m68k_lval
#define yychar m68k_char
#define yydebug m68k_debug
#define yypact m68k_pact
#define yyr1 m68k_r1
#define yyr2 m68k_r2
#define yydef m68k_def
#define yychk m68k_chk
#define yypgo m68k_pgo
#define yyact m68k_act
#define yyexca m68k_exca
#define yyerrflag m68k_errflag
#define yynerrs m68k_nerrs
#define yyps m68k_ps
#define yypv m68k_pv
#define yys m68k_s
#define yy_yys m68k_yys
#define yystate m68k_state
#define yytmp m68k_tmp
#define yyv m68k_v
#define yy_yyv m68k_yyv
#define yyval m68k_val
#define yylloc m68k_lloc
#define yyreds m68k_reds /* With YYDEBUG defined */
#define yytoks m68k_toks /* With YYDEBUG defined */
#define yylhs m68k_yylhs
#define yylen m68k_yylen
#define yydefred m68k_yydefred
#define yydgoto m68k_yydgoto
#define yysindex m68k_yysindex
#define yyrindex m68k_yyrindex
#define yygindex m68k_yygindex
#define yytable m68k_yytable
#define yycheck m68k_yycheck
#ifndef YYDEBUG
#define YYDEBUG 1
#endif
/* Internal functions. */
static enum m68k_register m68k_reg_parse PARAMS ((char **));
static int yylex PARAMS ((void));
static void yyerror PARAMS ((const char *));
/* The parser sets fields pointed to by this global variable. */
static struct m68k_op *op;
#line 93 "./config/m68k-parse.y"
typedef union
{
struct m68k_indexreg indexreg;
enum m68k_register reg;
struct m68k_exp exp;
unsigned long mask;
int onereg;
} YYSTYPE;
#ifndef YYLTYPE
typedef
struct yyltype
{
int timestamp;
int first_line;
int first_column;
int last_line;
int last_column;
char *text;
}
yyltype;
#define YYLTYPE yyltype
#endif
#include <stdio.h>
#ifndef __cplusplus
#ifndef __STDC__
#define const
#endif
#endif
#define YYFINAL 173
#define YYFLAG -32768
#define YYNTBASE 25
#define YYTRANSLATE(x) ((unsigned)(x) <= 268 ? yytranslate[x] : 44)
static const char yytranslate[] = { 0,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 14, 2, 2, 15, 2, 16,
17, 2, 18, 20, 19, 2, 24, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 23, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
21, 2, 22, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 1, 2, 3, 4, 5,
6, 7, 8, 9, 10, 11, 12, 13
};
#if YYDEBUG != 0
static const short yyprhs[] = { 0,
0, 2, 4, 6, 8, 10, 12, 14, 16, 18,
21, 24, 26, 30, 35, 40, 46, 52, 57, 61,
65, 69, 77, 85, 92, 98, 105, 111, 118, 124,
130, 135, 145, 153, 162, 169, 180, 189, 200, 209,
218, 221, 225, 229, 235, 242, 253, 263, 274, 276,
278, 280, 282, 284, 286, 288, 290, 292, 294, 296,
298, 300, 302, 303, 305, 307, 309, 310, 313, 314,
317, 318, 321, 323, 327, 331, 333, 335, 339, 343,
347, 349, 351, 353
};
static const short yyrhs[] = { 26,
0, 27, 0, 28, 0, 3, 0, 4, 0, 5,
0, 6, 0, 11, 0, 13, 0, 14, 13, 0,
15, 13, 0, 40, 0, 16, 4, 17, 0, 16,
4, 17, 18, 0, 19, 16, 4, 17, 0, 16,
13, 20, 34, 17, 0, 16, 34, 20, 13, 17,
0, 13, 16, 34, 17, 0, 16, 7, 17, 0,
16, 8, 17, 0, 16, 10, 17, 0, 16, 13,
20, 34, 20, 29, 17, 0, 16, 13, 20, 34,
20, 36, 17, 0, 16, 13, 20, 30, 37, 17,
0, 16, 30, 20, 13, 17, 0, 13, 16, 34,
20, 29, 17, 0, 16, 34, 20, 29, 17, 0,
13, 16, 34, 20, 36, 17, 0, 16, 34, 20,
36, 17, 0, 13, 16, 30, 37, 17, 0, 16,
30, 37, 17, 0, 16, 21, 13, 37, 22, 20,
29, 38, 17, 0, 16, 21, 13, 37, 22, 38,
17, 0, 16, 21, 34, 22, 20, 29, 38, 17,
0, 16, 21, 34, 22, 38, 17, 0, 16, 21,
13, 20, 34, 20, 29, 22, 38, 17, 0, 16,
21, 34, 20, 29, 22, 38, 17, 0, 16, 21,
13, 20, 34, 20, 36, 22, 38, 17, 0, 16,
21, 34, 20, 36, 22, 38, 17, 0, 16, 21,
39, 30, 37, 22, 38, 17, 0, 35, 23, 0,
35, 23, 18, 0, 35, 23, 19, 0, 35, 23,
16, 13, 17, 0, 35, 23, 16, 39, 29, 17,
0, 35, 23, 16, 13, 17, 23, 16, 39, 29,
17, 0, 35, 23, 16, 13, 17, 23, 16, 13,
17, 0, 35, 23, 16, 39, 29, 17, 23, 16,
13, 17, 0, 12, 0, 31, 0, 12, 0, 32,
0, 32, 0, 4, 0, 8, 0, 3, 0, 9,
0, 4, 0, 7, 0, 33, 0, 10, 0, 8,
0, 0, 34, 0, 7, 0, 10, 0, 0, 20,
34, 0, 0, 20, 13, 0, 0, 13, 20, 0,
42, 0, 42, 24, 41, 0, 43, 24, 41, 0,
43, 0, 42, 0, 42, 24, 41, 0, 43, 24,
41, 0, 43, 19, 43, 0, 3, 0, 4, 0,
5, 0, 6, 0
};
#endif
#if YYDEBUG != 0
static const short yyrline[] = { 0,
116, 118, 119, 124, 130, 135, 140, 145, 150, 155,
160, 165, 177, 183, 188, 193, 203, 213, 223, 228,
233, 238, 245, 256, 263, 269, 276, 282, 293, 303,
310, 316, 324, 331, 338, 344, 352, 359, 371, 382,
394, 403, 411, 419, 429, 436, 444, 451, 464, 466,
478, 480, 491, 493, 494, 499, 501, 506, 508, 514,
516, 517, 522, 527, 532, 534, 539, 544, 552, 558,
566, 572, 580, 582, 586, 597, 602, 603, 607, 613,
620, 625, 629, 633
};
static const char * const yytname[] = { "$","error","$undefined.","DR","AR",
"FPR","FPCR","LPC","ZAR","ZDR","LZPC","CREG","INDEXREG","EXPR","'#'","'&'","'('",
"')'","'+'","'-'","','","'['","']'","'@'","'/'","operand","generic_operand",
"motorola_operand","mit_operand","zireg","zdireg","zadr","zdr","apc","zapc",
"optzapc","zpc","optczapc","optcexpr","optexprc","reglist","ireglist","reglistpair",
"reglistreg",""
};
#endif
static const short yyr1[] = { 0,
25, 25, 25, 26, 26, 26, 26, 26, 26, 26,
26, 26, 27, 27, 27, 27, 27, 27, 27, 27,
27, 27, 27, 27, 27, 27, 27, 27, 27, 27,
27, 27, 27, 27, 27, 27, 27, 27, 27, 27,
28, 28, 28, 28, 28, 28, 28, 28, 29, 29,
30, 30, 31, 31, 31, 32, 32, 33, 33, 34,
34, 34, 35, 35, 36, 36, 37, 37, 38, 38,
39, 39, 40, 40, 40, 41, 41, 41, 41, 42,
43, 43, 43, 43
};
static const short yyr2[] = { 0,
1, 1, 1, 1, 1, 1, 1, 1, 1, 2,
2, 1, 3, 4, 4, 5, 5, 4, 3, 3,
3, 7, 7, 6, 5, 6, 5, 6, 5, 5,
4, 9, 7, 8, 6, 10, 8, 10, 8, 8,
2, 3, 3, 5, 6, 10, 9, 10, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 0, 1, 1, 1, 0, 2, 0, 2,
0, 2, 1, 3, 3, 1, 1, 3, 3, 3,
1, 1, 1, 1
};
static const short yydefact[] = { 63,
81, 82, 83, 84, 59, 62, 61, 8, 9, 0,
0, 0, 0, 1, 2, 3, 60, 64, 0, 12,
73, 0, 0, 10, 11, 56, 58, 59, 62, 57,
61, 51, 0, 71, 67, 52, 0, 0, 41, 0,
0, 0, 58, 67, 0, 13, 19, 20, 21, 0,
67, 0, 0, 0, 0, 0, 0, 71, 42, 43,
81, 82, 83, 84, 74, 77, 76, 80, 75, 0,
0, 18, 0, 14, 67, 0, 72, 0, 0, 69,
67, 0, 68, 31, 54, 65, 55, 66, 49, 0,
0, 50, 53, 0, 15, 0, 0, 0, 0, 30,
0, 0, 0, 16, 0, 68, 69, 0, 0, 0,
0, 0, 25, 17, 27, 29, 44, 72, 0, 78,
79, 26, 28, 24, 0, 0, 0, 0, 0, 69,
69, 70, 69, 35, 69, 0, 45, 22, 23, 0,
0, 69, 33, 0, 0, 0, 0, 0, 71, 0,
69, 69, 0, 37, 39, 34, 40, 0, 0, 0,
0, 0, 32, 47, 0, 0, 36, 38, 46, 48,
0, 0, 0
};
static const short yydefgoto[] = { 171,
14, 15, 16, 91, 35, 92, 93, 17, 83, 19,
94, 55, 111, 53, 20, 65, 66, 67
};
static const short yypact[] = { 89,
10, 11, 19, 23,-32768,-32768,-32768,-32768, 13, -4,
22, 57, 36,-32768,-32768,-32768,-32768,-32768, 18,-32768,
33, -2, 114,-32768,-32768,-32768, 46, 62, 66,-32768,
67,-32768, 68, 131, 69,-32768, 70, 105, 147, 156,
156, 156,-32768, 94, 25, 101,-32768,-32768,-32768, 114,
100, 53, 9, 138, 108, 103, 112, 117,-32768,-32768,
-32768,-32768,-32768,-32768,-32768, 119, 12,-32768,-32768, 64,
130,-32768, 124,-32768, 94, 81, 64, 135, 124, 132,
94, 150,-32768,-32768,-32768,-32768,-32768,-32768,-32768, 151,
152,-32768,-32768, 153,-32768, 120, 146, 156, 156,-32768,
154, 155, 157,-32768, 124, 144, 158, 159, 160, 73,
162, 161,-32768,-32768,-32768,-32768, 163,-32768, 167,-32768,
-32768,-32768,-32768,-32768, 168, 170, 124, 73, 171, 169,
169,-32768, 169,-32768, 169, 164, 172,-32768,-32768, 174,
175, 169,-32768, 177, 176, 181, 182, 183, 178, 185,
169, 169, 186,-32768,-32768,-32768,-32768, 136, 146, 179,
187, 188,-32768,-32768, 189, 190,-32768,-32768,-32768,-32768,
173, 194,-32768
};
static const short yypgoto[] = {-32768,
-32768,-32768,-32768, -72, 1,-32768, -7,-32768, 3,-32768,
-65, -31, -103, -58,-32768, -40, 202, 6
};
#define YYLAST 207
static const short yytable[] = { 97,
101, 69, 18, 129, 36, 22, 108, 102, 24, -4,
-5, 26, 71, 109, 37, 36, 41, 30, -6, 78,
32, 42, -7, 44, 119, 45, 145, 146, 23, 147,
41, 148, 125, -58, 25, 99, 52, 133, 153, 126,
39, 72, 36, 103, 73, 36, 68, 161, 162, 112,
75, 38, 76, 81, 140, 142, 40, 120, 121, 26,
27, 141, 46, 28, 29, 30, 31, 43, 32, 33,
5, 6, 79, 7, 80, 26, 85, 34, 47, 106,
87, 30, 48, 49, 89, 132, 165, 50, 54, 56,
159, 1, 2, 3, 4, 5, 6, 104, 7, 8,
105, 9, 10, 11, 12, 26, 85, 13, 57, 86,
87, 30, 88, 70, 89, 90, 26, 43, 74, 77,
5, 6, 30, 7, 84, 32, 26, 85, 95, 96,
86, 87, 30, 88, 43, 89, 117, 5, 6, 118,
7, 43, 98, 51, 5, 6, 100, 7, 26, 85,
82, 110, 164, 87, 30, 118, 107, 89, 61, 62,
63, 64, 58, 127, 59, 60, 113, 114, 115, 116,
122, 123, 172, 124, 0, 0, 0, 128, 134, 149,
130, 131, 135, 137, 138, 136, 139, 143, 144, 132,
158, 166, 154, 173, 150, 151, 152, 155, 156, 157,
160, 21, 163, 167, 168, 169, 170
};
static const short yycheck[] = { 58,
73, 42, 0, 107, 12, 0, 79, 73, 13, 0,
0, 3, 44, 79, 12, 23, 19, 9, 0, 51,
12, 24, 0, 23, 97, 23, 130, 131, 16, 133,
19, 135, 105, 23, 13, 24, 34, 110, 142, 105,
23, 17, 50, 75, 20, 53, 41, 151, 152, 81,
50, 16, 50, 53, 127, 128, 24, 98, 99, 3,
4, 127, 17, 7, 8, 9, 10, 4, 12, 13,
7, 8, 20, 10, 22, 3, 4, 21, 17, 77,
8, 9, 17, 17, 12, 13, 159, 20, 20, 20,
149, 3, 4, 5, 6, 7, 8, 17, 10, 11,
20, 13, 14, 15, 16, 3, 4, 19, 4, 7,
8, 9, 10, 20, 12, 13, 3, 4, 18, 20,
7, 8, 9, 10, 17, 12, 3, 4, 17, 13,
7, 8, 9, 10, 4, 12, 17, 7, 8, 20,
10, 4, 24, 13, 7, 8, 17, 10, 3, 4,
13, 20, 17, 8, 9, 20, 22, 12, 3, 4,
5, 6, 16, 20, 18, 19, 17, 17, 17, 17,
17, 17, 0, 17, -1, -1, -1, 20, 17, 16,
22, 22, 22, 17, 17, 23, 17, 17, 20, 13,
13, 13, 17, 0, 23, 22, 22, 17, 17, 17,
16, 0, 17, 17, 17, 17, 17
};
/* -*-C-*- Note some compilers choke on comments on `#line' lines. */
#line 3 "/usr/unsupported/share/bison.simple"
/* Skeleton output parser for bison,
Copyright (C) 1984, 1989, 1990 Free Software Foundation, Inc.
This program 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 program 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 this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
/* As a special exception, when this file is copied by Bison into a
Bison output file, you may use that output file without restriction.
This special exception was added by the Free Software Foundation
in version 1.24 of Bison. */
#ifndef alloca
#ifdef __GNUC__
#define alloca __builtin_alloca
#else /* not GNU C. */
#if (!defined (__STDC__) && defined (sparc)) || defined (__sparc__) || defined (__sparc) || defined (__sgi)
#include <alloca.h>
#else /* not sparc */
#if defined (MSDOS) && !defined (__TURBOC__)
#include <malloc.h>
#else /* not MSDOS, or __TURBOC__ */
#if defined(_AIX)
#include <malloc.h>
#pragma alloca
#else /* not MSDOS, __TURBOC__, or _AIX */
#ifdef __hpux
#ifdef __cplusplus
extern "C" {
void *alloca (unsigned int);
};
#else /* not __cplusplus */
void *alloca ();
#endif /* not __cplusplus */
#endif /* __hpux */
#endif /* not _AIX */
#endif /* not MSDOS, or __TURBOC__ */
#endif /* not sparc. */
#endif /* not GNU C. */
#endif /* alloca not defined. */
/* This is the parser code that is written into each bison parser
when the %semantic_parser declaration is not specified in the grammar.
It was written by Richard Stallman by simplifying the hairy parser
used when %semantic_parser is specified. */
/* Note: there must be only one dollar sign in this file.
It is replaced by the list of actions, each action
as one case of the switch. */
#define yyerrok (yyerrstatus = 0)
#define yyclearin (yychar = YYEMPTY)
#define YYEMPTY -2
#define YYEOF 0
#define YYACCEPT return(0)
#define YYABORT return(1)
#define YYERROR goto yyerrlab1
/* Like YYERROR except do call yyerror.
This remains here temporarily to ease the
transition to the new meaning of YYERROR, for GCC.
Once GCC version 2 has supplanted version 1, this can go. */
#define YYFAIL goto yyerrlab
#define YYRECOVERING() (!!yyerrstatus)
#define YYBACKUP(token, value) \
do \
if (yychar == YYEMPTY && yylen == 1) \
{ yychar = (token), yylval = (value); \
yychar1 = YYTRANSLATE (yychar); \
YYPOPSTACK; \
goto yybackup; \
} \
else \
{ yyerror ("syntax error: cannot back up"); YYERROR; } \
while (0)
#define YYTERROR 1
#define YYERRCODE 256
#ifndef YYPURE
#define YYLEX yylex()
#endif
#ifdef YYPURE
#ifdef YYLSP_NEEDED
#ifdef YYLEX_PARAM
#define YYLEX yylex(&yylval, &yylloc, YYLEX_PARAM)
#else
#define YYLEX yylex(&yylval, &yylloc)
#endif
#else /* not YYLSP_NEEDED */
#ifdef YYLEX_PARAM
#define YYLEX yylex(&yylval, YYLEX_PARAM)
#else
#define YYLEX yylex(&yylval)
#endif
#endif /* not YYLSP_NEEDED */
#endif
/* If nonreentrant, generate the variables here */
#ifndef YYPURE
int yychar; /* the lookahead symbol */
YYSTYPE yylval; /* the semantic value of the */
/* lookahead symbol */
#ifdef YYLSP_NEEDED
YYLTYPE yylloc; /* location data for the lookahead */
/* symbol */
#endif
int yynerrs; /* number of parse errors so far */
#endif /* not YYPURE */
#if YYDEBUG != 0
int yydebug; /* nonzero means print parse trace */
/* Since this is uninitialized, it does not stop multiple parsers
from coexisting. */
#endif
/* YYINITDEPTH indicates the initial size of the parser's stacks */
#ifndef YYINITDEPTH
#define YYINITDEPTH 200
#endif
/* YYMAXDEPTH is the maximum size the stacks can grow to
(effective only if the built-in stack extension method is used). */
#if YYMAXDEPTH == 0
#undef YYMAXDEPTH
#endif
#ifndef YYMAXDEPTH
#define YYMAXDEPTH 10000
#endif
/* Prevent warning if -Wstrict-prototypes. */
#ifdef __GNUC__
int yyparse (void);
#endif
#if __GNUC__ > 1 /* GNU C and GNU C++ define this. */
#define __yy_memcpy(FROM,TO,COUNT) __builtin_memcpy(TO,FROM,COUNT)
#else /* not GNU C or C++ */
#ifndef __cplusplus
/* This is the most reliable way to avoid incompatibilities
in available built-in functions on various systems. */
static void
__yy_memcpy (from, to, count)
char *from;
char *to;
int count;
{
register char *f = from;
register char *t = to;
register int i = count;
while (i-- > 0)
*t++ = *f++;
}
#else /* __cplusplus */
/* This is the most reliable way to avoid incompatibilities
in available built-in functions on various systems. */
static void
__yy_memcpy (char *from, char *to, int count)
{
register char *f = from;
register char *t = to;
register int i = count;
while (i-- > 0)
*t++ = *f++;
}
#endif
#endif
#line 192 "/usr/unsupported/share/bison.simple"
/* The user can define YYPARSE_PARAM as the name of an argument to be passed
into yyparse. The argument should have type void *.
It should actually point to an object.
Grammar actions can access the variable by casting it
to the proper pointer type. */
#ifdef YYPARSE_PARAM
#define YYPARSE_PARAM_DECL void *YYPARSE_PARAM;
#else
#define YYPARSE_PARAM
#define YYPARSE_PARAM_DECL
#endif
int
yyparse(YYPARSE_PARAM)
YYPARSE_PARAM_DECL
{
register int yystate;
register int yyn;
register short *yyssp;
register YYSTYPE *yyvsp;
int yyerrstatus; /* number of tokens to shift before error messages enabled */
int yychar1 = 0; /* lookahead token as an internal (translated) token number */
short yyssa[YYINITDEPTH]; /* the state stack */
YYSTYPE yyvsa[YYINITDEPTH]; /* the semantic value stack */
short *yyss = yyssa; /* refer to the stacks thru separate pointers */
YYSTYPE *yyvs = yyvsa; /* to allow yyoverflow to reallocate them elsewhere */
#ifdef YYLSP_NEEDED
YYLTYPE yylsa[YYINITDEPTH]; /* the location stack */
YYLTYPE *yyls = yylsa;
YYLTYPE *yylsp;
#define YYPOPSTACK (yyvsp--, yyssp--, yylsp--)
#else
#define YYPOPSTACK (yyvsp--, yyssp--)
#endif
int yystacksize = YYINITDEPTH;
#ifdef YYPURE
int yychar;
YYSTYPE yylval;
int yynerrs;
#ifdef YYLSP_NEEDED
YYLTYPE yylloc;
#endif
#endif
YYSTYPE yyval; /* the variable used to return */
/* semantic values from the action */
/* routines */
int yylen;
#if YYDEBUG != 0
if (yydebug)
fprintf(stderr, "Starting parse\n");
#endif
yystate = 0;
yyerrstatus = 0;
yynerrs = 0;
yychar = YYEMPTY; /* Cause a token to be read. */
/* Initialize stack pointers.
Waste one element of value and location stack
so that they stay on the same level as the state stack.
The wasted elements are never initialized. */
yyssp = yyss - 1;
yyvsp = yyvs;
#ifdef YYLSP_NEEDED
yylsp = yyls;
#endif
/* Push a new state, which is found in yystate . */
/* In all cases, when you get here, the value and location stacks
have just been pushed. so pushing a state here evens the stacks. */
yynewstate:
*++yyssp = yystate;
if (yyssp >= yyss + yystacksize - 1)
{
/* Give user a chance to reallocate the stack */
/* Use copies of these so that the &'s don't force the real ones into memory. */
YYSTYPE *yyvs1 = yyvs;
short *yyss1 = yyss;
#ifdef YYLSP_NEEDED
YYLTYPE *yyls1 = yyls;
#endif
/* Get the current used size of the three stacks, in elements. */
int size = yyssp - yyss + 1;
#ifdef yyoverflow
/* Each stack pointer address is followed by the size of
the data in use in that stack, in bytes. */
#ifdef YYLSP_NEEDED
/* This used to be a conditional around just the two extra args,
but that might be undefined if yyoverflow is a macro. */
yyoverflow("parser stack overflow",
&yyss1, size * sizeof (*yyssp),
&yyvs1, size * sizeof (*yyvsp),
&yyls1, size * sizeof (*yylsp),
&yystacksize);
#else
yyoverflow("parser stack overflow",
&yyss1, size * sizeof (*yyssp),
&yyvs1, size * sizeof (*yyvsp),
&yystacksize);
#endif
yyss = yyss1; yyvs = yyvs1;
#ifdef YYLSP_NEEDED
yyls = yyls1;
#endif
#else /* no yyoverflow */
/* Extend the stack our own way. */
if (yystacksize >= YYMAXDEPTH)
{
yyerror("parser stack overflow");
return 2;
}
yystacksize *= 2;
if (yystacksize > YYMAXDEPTH)
yystacksize = YYMAXDEPTH;
yyss = (short *) alloca (yystacksize * sizeof (*yyssp));
__yy_memcpy ((char *)yyss1, (char *)yyss, size * sizeof (*yyssp));
yyvs = (YYSTYPE *) alloca (yystacksize * sizeof (*yyvsp));
__yy_memcpy ((char *)yyvs1, (char *)yyvs, size * sizeof (*yyvsp));
#ifdef YYLSP_NEEDED
yyls = (YYLTYPE *) alloca (yystacksize * sizeof (*yylsp));
__yy_memcpy ((char *)yyls1, (char *)yyls, size * sizeof (*yylsp));
#endif
#endif /* no yyoverflow */
yyssp = yyss + size - 1;
yyvsp = yyvs + size - 1;
#ifdef YYLSP_NEEDED
yylsp = yyls + size - 1;
#endif
#if YYDEBUG != 0
if (yydebug)
fprintf(stderr, "Stack size increased to %d\n", yystacksize);
#endif
if (yyssp >= yyss + yystacksize - 1)
YYABORT;
}
#if YYDEBUG != 0
if (yydebug)
fprintf(stderr, "Entering state %d\n", yystate);
#endif
goto yybackup;
yybackup:
/* Do appropriate processing given the current state. */
/* Read a lookahead token if we need one and don't already have one. */
/* yyresume: */
/* First try to decide what to do without reference to lookahead token. */
yyn = yypact[yystate];
if (yyn == YYFLAG)
goto yydefault;
/* Not known => get a lookahead token if don't already have one. */
/* yychar is either YYEMPTY or YYEOF
or a valid token in external form. */
if (yychar == YYEMPTY)
{
#if YYDEBUG != 0
if (yydebug)
fprintf(stderr, "Reading a token: ");
#endif
yychar = YYLEX;
}
/* Convert token to internal form (in yychar1) for indexing tables with */
if (yychar <= 0) /* This means end of input. */
{
yychar1 = 0;
yychar = YYEOF; /* Don't call YYLEX any more */
#if YYDEBUG != 0
if (yydebug)
fprintf(stderr, "Now at end of input.\n");
#endif
}
else
{
yychar1 = YYTRANSLATE(yychar);
#if YYDEBUG != 0
if (yydebug)
{
fprintf (stderr, "Next token is %d (%s", yychar, yytname[yychar1]);
/* Give the individual parser a way to print the precise meaning
of a token, for further debugging info. */
#ifdef YYPRINT
YYPRINT (stderr, yychar, yylval);
#endif
fprintf (stderr, ")\n");
}
#endif
}
yyn += yychar1;
if (yyn < 0 || yyn > YYLAST || yycheck[yyn] != yychar1)
goto yydefault;
yyn = yytable[yyn];
/* yyn is what to do for this token type in this state.
Negative => reduce, -yyn is rule number.
Positive => shift, yyn is new state.
New state is final state => don't bother to shift,
just return success.
0, or most negative number => error. */
if (yyn < 0)
{
if (yyn == YYFLAG)
goto yyerrlab;
yyn = -yyn;
goto yyreduce;
}
else if (yyn == 0)
goto yyerrlab;
if (yyn == YYFINAL)
YYACCEPT;
/* Shift the lookahead token. */
#if YYDEBUG != 0
if (yydebug)
fprintf(stderr, "Shifting token %d (%s), ", yychar, yytname[yychar1]);
#endif
/* Discard the token being shifted unless it is eof. */
if (yychar != YYEOF)
yychar = YYEMPTY;
*++yyvsp = yylval;
#ifdef YYLSP_NEEDED
*++yylsp = yylloc;
#endif
/* count tokens shifted since error; after three, turn off error status. */
if (yyerrstatus) yyerrstatus--;
yystate = yyn;
goto yynewstate;
/* Do the default action for the current state. */
yydefault:
yyn = yydefact[yystate];
if (yyn == 0)
goto yyerrlab;
/* Do a reduction. yyn is the number of a rule to reduce with. */
yyreduce:
yylen = yyr2[yyn];
if (yylen > 0)
yyval = yyvsp[1-yylen]; /* implement default value of the action */
#if YYDEBUG != 0
if (yydebug)
{
int i;
fprintf (stderr, "Reducing via rule %d (line %d), ",
yyn, yyrline[yyn]);
/* Print the symbols being reduced, and their result. */
for (i = yyprhs[yyn]; yyrhs[i] > 0; i++)
fprintf (stderr, "%s ", yytname[yyrhs[i]]);
fprintf (stderr, " -> %s\n", yytname[yyr1[yyn]]);
}
#endif
switch (yyn) {
case 4:
#line 126 "./config/m68k-parse.y"
{
op->mode = DREG;
op->reg = yyvsp[0].reg;
;
break;}
case 5:
#line 131 "./config/m68k-parse.y"
{
op->mode = AREG;
op->reg = yyvsp[0].reg;
;
break;}
case 6:
#line 136 "./config/m68k-parse.y"
{
op->mode = FPREG;
op->reg = yyvsp[0].reg;
;
break;}
case 7:
#line 141 "./config/m68k-parse.y"
{
op->mode = CONTROL;
op->reg = yyvsp[0].reg;
;
break;}
case 8:
#line 146 "./config/m68k-parse.y"
{
op->mode = CONTROL;
op->reg = yyvsp[0].reg;
;
break;}
case 9:
#line 151 "./config/m68k-parse.y"
{
op->mode = ABSL;
op->disp = yyvsp[0].exp;
;
break;}
case 10:
#line 156 "./config/m68k-parse.y"
{
op->mode = IMMED;
op->disp = yyvsp[0].exp;
;
break;}
case 11:
#line 161 "./config/m68k-parse.y"
{
op->mode = IMMED;
op->disp = yyvsp[0].exp;
;
break;}
case 12:
#line 166 "./config/m68k-parse.y"
{
op->mode = REGLST;
op->mask = yyvsp[0].mask;
;
break;}
case 13:
#line 179 "./config/m68k-parse.y"
{
op->mode = AINDR;
op->reg = yyvsp[-1].reg;
;
break;}
case 14:
#line 184 "./config/m68k-parse.y"
{
op->mode = AINC;
op->reg = yyvsp[-2].reg;
;
break;}
case 15:
#line 189 "./config/m68k-parse.y"
{
op->mode = ADEC;
op->reg = yyvsp[-1].reg;
;
break;}
case 16:
#line 194 "./config/m68k-parse.y"
{
op->reg = yyvsp[-1].reg;
op->disp = yyvsp[-3].exp;
if ((yyvsp[-1].reg >= ZADDR0 && yyvsp[-1].reg <= ZADDR7)
|| yyvsp[-1].reg == ZPC)
op->mode = BASE;
else
op->mode = DISP;
;
break;}
case 17:
#line 204 "./config/m68k-parse.y"
{
op->reg = yyvsp[-3].reg;
op->disp = yyvsp[-1].exp;
if ((yyvsp[-3].reg >= ZADDR0 && yyvsp[-3].reg <= ZADDR7)
|| yyvsp[-3].reg == ZPC)
op->mode = BASE;
else
op->mode = DISP;
;
break;}
case 18:
#line 214 "./config/m68k-parse.y"
{
op->reg = yyvsp[-1].reg;
op->disp = yyvsp[-3].exp;
if ((yyvsp[-1].reg >= ZADDR0 && yyvsp[-1].reg <= ZADDR7)
|| yyvsp[-1].reg == ZPC)
op->mode = BASE;
else
op->mode = DISP;
;
break;}
case 19:
#line 224 "./config/m68k-parse.y"
{
op->mode = DISP;
op->reg = yyvsp[-1].reg;
;
break;}
case 20:
#line 229 "./config/m68k-parse.y"
{
op->mode = BASE;
op->reg = yyvsp[-1].reg;
;
break;}
case 21:
#line 234 "./config/m68k-parse.y"
{
op->mode = BASE;
op->reg = yyvsp[-1].reg;
;
break;}
case 22:
#line 239 "./config/m68k-parse.y"
{
op->mode = BASE;
op->reg = yyvsp[-3].reg;
op->disp = yyvsp[-5].exp;
op->index = yyvsp[-1].indexreg;
;
break;}
case 23:
#line 246 "./config/m68k-parse.y"
{
if (yyvsp[-3].reg == PC || yyvsp[-3].reg == ZPC)
yyerror ("syntax error");
op->mode = BASE;
op->reg = yyvsp[-1].reg;
op->disp = yyvsp[-5].exp;
op->index.reg = yyvsp[-3].reg;
op->index.size = SIZE_UNSPEC;
op->index.scale = 1;
;
break;}
case 24:
#line 257 "./config/m68k-parse.y"
{
op->mode = BASE;
op->reg = yyvsp[-1].reg;
op->disp = yyvsp[-4].exp;
op->index = yyvsp[-2].indexreg;
;
break;}
case 25:
#line 264 "./config/m68k-parse.y"
{
op->mode = BASE;
op->disp = yyvsp[-1].exp;
op->index = yyvsp[-3].indexreg;
;
break;}
case 26:
#line 270 "./config/m68k-parse.y"
{
op->mode = BASE;
op->reg = yyvsp[-3].reg;
op->disp = yyvsp[-5].exp;
op->index = yyvsp[-1].indexreg;
;
break;}
case 27:
#line 277 "./config/m68k-parse.y"
{
op->mode = BASE;
op->reg = yyvsp[-3].reg;
op->index = yyvsp[-1].indexreg;
;
break;}
case 28:
#line 283 "./config/m68k-parse.y"
{
if (yyvsp[-3].reg == PC || yyvsp[-3].reg == ZPC)
yyerror ("syntax error");
op->mode = BASE;
op->reg = yyvsp[-1].reg;
op->disp = yyvsp[-5].exp;
op->index.reg = yyvsp[-3].reg;
op->index.size = SIZE_UNSPEC;
op->index.scale = 1;
;
break;}
case 29:
#line 294 "./config/m68k-parse.y"
{
if (yyvsp[-3].reg == PC || yyvsp[-3].reg == ZPC)
yyerror ("syntax error");
op->mode = BASE;
op->reg = yyvsp[-1].reg;
op->index.reg = yyvsp[-3].reg;
op->index.size = SIZE_UNSPEC;
op->index.scale = 1;
;
break;}
case 30:
#line 304 "./config/m68k-parse.y"
{
op->mode = BASE;
op->reg = yyvsp[-1].reg;
op->disp = yyvsp[-4].exp;
op->index = yyvsp[-2].indexreg;
;
break;}
case 31:
#line 311 "./config/m68k-parse.y"
{
op->mode = BASE;
op->reg = yyvsp[-1].reg;
op->index = yyvsp[-2].indexreg;
;
break;}
case 32:
#line 317 "./config/m68k-parse.y"
{
op->mode = POST;
op->reg = yyvsp[-5].reg;
op->disp = yyvsp[-6].exp;
op->index = yyvsp[-2].indexreg;
op->odisp = yyvsp[-1].exp;
;
break;}
case 33:
#line 325 "./config/m68k-parse.y"
{
op->mode = POST;
op->reg = yyvsp[-3].reg;
op->disp = yyvsp[-4].exp;
op->odisp = yyvsp[-1].exp;
;
break;}
case 34:
#line 332 "./config/m68k-parse.y"
{
op->mode = POST;
op->reg = yyvsp[-5].reg;
op->index = yyvsp[-2].indexreg;
op->odisp = yyvsp[-1].exp;
;
break;}
case 35:
#line 339 "./config/m68k-parse.y"
{
op->mode = POST;
op->reg = yyvsp[-3].reg;
op->odisp = yyvsp[-1].exp;
;
break;}
case 36:
#line 345 "./config/m68k-parse.y"
{
op->mode = PRE;
op->reg = yyvsp[-5].reg;
op->disp = yyvsp[-7].exp;
op->index = yyvsp[-3].indexreg;
op->odisp = yyvsp[-1].exp;
;
break;}
case 37:
#line 353 "./config/m68k-parse.y"
{
op->mode = PRE;
op->reg = yyvsp[-5].reg;
op->index = yyvsp[-3].indexreg;
op->odisp = yyvsp[-1].exp;
;
break;}
case 38:
#line 360 "./config/m68k-parse.y"
{
if (yyvsp[-5].reg == PC || yyvsp[-5].reg == ZPC)
yyerror ("syntax error");
op->mode = PRE;
op->reg = yyvsp[-3].reg;
op->disp = yyvsp[-7].exp;
op->index.reg = yyvsp[-5].reg;
op->index.size = SIZE_UNSPEC;
op->index.scale = 1;
op->odisp = yyvsp[-1].exp;
;
break;}
case 39:
#line 372 "./config/m68k-parse.y"
{
if (yyvsp[-5].reg == PC || yyvsp[-5].reg == ZPC)
yyerror ("syntax error");
op->mode = PRE;
op->reg = yyvsp[-3].reg;
op->index.reg = yyvsp[-5].reg;
op->index.size = SIZE_UNSPEC;
op->index.scale = 1;
op->odisp = yyvsp[-1].exp;
;
break;}
case 40:
#line 383 "./config/m68k-parse.y"
{
op->mode = PRE;
op->reg = yyvsp[-3].reg;
op->disp = yyvsp[-5].exp;
op->index = yyvsp[-4].indexreg;
op->odisp = yyvsp[-1].exp;
;
break;}
case 41:
#line 396 "./config/m68k-parse.y"
{
/* We use optzapc to avoid a shift/reduce conflict. */
if (yyvsp[-1].reg < ADDR0 || yyvsp[-1].reg > ADDR7)
yyerror ("syntax error");
op->mode = AINDR;
op->reg = yyvsp[-1].reg;
;
break;}
case 42:
#line 404 "./config/m68k-parse.y"
{
/* We use optzapc to avoid a shift/reduce conflict. */
if (yyvsp[-2].reg < ADDR0 || yyvsp[-2].reg > ADDR7)
yyerror ("syntax error");
op->mode = AINC;
op->reg = yyvsp[-2].reg;
;
break;}
case 43:
#line 412 "./config/m68k-parse.y"
{
/* We use optzapc to avoid a shift/reduce conflict. */
if (yyvsp[-2].reg < ADDR0 || yyvsp[-2].reg > ADDR7)
yyerror ("syntax error");
op->mode = ADEC;
op->reg = yyvsp[-2].reg;
;
break;}
case 44:
#line 420 "./config/m68k-parse.y"
{
op->reg = yyvsp[-4].reg;
op->disp = yyvsp[-1].exp;
if ((yyvsp[-4].reg >= ZADDR0 && yyvsp[-4].reg <= ZADDR7)
|| yyvsp[-4].reg == ZPC)
op->mode = BASE;
else
op->mode = DISP;
;
break;}
case 45:
#line 430 "./config/m68k-parse.y"
{
op->mode = BASE;
op->reg = yyvsp[-5].reg;
op->disp = yyvsp[-2].exp;
op->index = yyvsp[-1].indexreg;
;
break;}
case 46:
#line 437 "./config/m68k-parse.y"
{
op->mode = POST;
op->reg = yyvsp[-9].reg;
op->disp = yyvsp[-6].exp;
op->index = yyvsp[-1].indexreg;
op->odisp = yyvsp[-2].exp;
;
break;}
case 47:
#line 445 "./config/m68k-parse.y"
{
op->mode = POST;
op->reg = yyvsp[-8].reg;
op->disp = yyvsp[-5].exp;
op->odisp = yyvsp[-1].exp;
;
break;}
case 48:
#line 452 "./config/m68k-parse.y"
{
op->mode = PRE;
op->reg = yyvsp[-9].reg;
op->disp = yyvsp[-6].exp;
op->index = yyvsp[-5].indexreg;
op->odisp = yyvsp[-1].exp;
;
break;}
case 50:
#line 467 "./config/m68k-parse.y"
{
yyval.indexreg.reg = yyvsp[0].reg;
yyval.indexreg.size = SIZE_UNSPEC;
yyval.indexreg.scale = 1;
;
break;}
case 52:
#line 481 "./config/m68k-parse.y"
{
yyval.indexreg.reg = yyvsp[0].reg;
yyval.indexreg.size = SIZE_UNSPEC;
yyval.indexreg.scale = 1;
;
break;}
case 63:
#line 524 "./config/m68k-parse.y"
{
yyval.reg = ZADDR0;
;
break;}
case 67:
#line 541 "./config/m68k-parse.y"
{
yyval.reg = ZADDR0;
;
break;}
case 68:
#line 545 "./config/m68k-parse.y"
{
yyval.reg = yyvsp[0].reg;
;
break;}
case 69:
#line 554 "./config/m68k-parse.y"
{
yyval.exp.exp.X_op = O_absent;
yyval.exp.size = SIZE_UNSPEC;
;
break;}
case 70:
#line 559 "./config/m68k-parse.y"
{
yyval.exp = yyvsp[0].exp;
;
break;}
case 71:
#line 568 "./config/m68k-parse.y"
{
yyval.exp.exp.X_op = O_absent;
yyval.exp.size = SIZE_UNSPEC;
;
break;}
case 72:
#line 573 "./config/m68k-parse.y"
{
yyval.exp = yyvsp[-1].exp;
;
break;}
case 74:
#line 583 "./config/m68k-parse.y"
{
yyval.mask = yyvsp[-2].mask | yyvsp[0].mask;
;
break;}
case 75:
#line 587 "./config/m68k-parse.y"
{
yyval.mask = (1 << yyvsp[-2].onereg) | yyvsp[0].mask;
;
break;}
case 76:
#line 599 "./config/m68k-parse.y"
{
yyval.mask = 1 << yyvsp[0].onereg;
;
break;}
case 78:
#line 604 "./config/m68k-parse.y"
{
yyval.mask = yyvsp[-2].mask | yyvsp[0].mask;
;
break;}
case 79:
#line 608 "./config/m68k-parse.y"
{
yyval.mask = (1 << yyvsp[-2].onereg) | yyvsp[0].mask;
;
break;}
case 80:
#line 615 "./config/m68k-parse.y"
{
yyval.mask = (1 << (yyvsp[0].onereg + 1)) - 1 - ((1 << yyvsp[-2].onereg) - 1);
;
break;}
case 81:
#line 622 "./config/m68k-parse.y"
{
yyval.onereg = yyvsp[0].reg - DATA0;
;
break;}
case 82:
#line 626 "./config/m68k-parse.y"
{
yyval.onereg = yyvsp[0].reg - ADDR0 + 8;
;
break;}
case 83:
#line 630 "./config/m68k-parse.y"
{
yyval.onereg = yyvsp[0].reg - FP0 + 16;
;
break;}
case 84:
#line 634 "./config/m68k-parse.y"
{
if (yyvsp[0].reg == FPI)
yyval.onereg = 24;
else if (yyvsp[0].reg == FPS)
yyval.onereg = 25;
else
yyval.onereg = 26;
;
break;}
}
/* the action file gets copied in in place of this dollarsign */
#line 487 "/usr/unsupported/share/bison.simple"
yyvsp -= yylen;
yyssp -= yylen;
#ifdef YYLSP_NEEDED
yylsp -= yylen;
#endif
#if YYDEBUG != 0
if (yydebug)
{
short *ssp1 = yyss - 1;
fprintf (stderr, "state stack now");
while (ssp1 != yyssp)
fprintf (stderr, " %d", *++ssp1);
fprintf (stderr, "\n");
}
#endif
*++yyvsp = yyval;
#ifdef YYLSP_NEEDED
yylsp++;
if (yylen == 0)
{
yylsp->first_line = yylloc.first_line;
yylsp->first_column = yylloc.first_column;
yylsp->last_line = (yylsp-1)->last_line;
yylsp->last_column = (yylsp-1)->last_column;
yylsp->text = 0;
}
else
{
yylsp->last_line = (yylsp+yylen-1)->last_line;
yylsp->last_column = (yylsp+yylen-1)->last_column;
}
#endif
/* Now "shift" the result of the reduction.
Determine what state that goes to,
based on the state we popped back to
and the rule number reduced by. */
yyn = yyr1[yyn];
yystate = yypgoto[yyn - YYNTBASE] + *yyssp;
if (yystate >= 0 && yystate <= YYLAST && yycheck[yystate] == *yyssp)
yystate = yytable[yystate];
else
yystate = yydefgoto[yyn - YYNTBASE];
goto yynewstate;
yyerrlab: /* here on detecting error */
if (! yyerrstatus)
/* If not already recovering from an error, report this error. */
{
++yynerrs;
#ifdef YYERROR_VERBOSE
yyn = yypact[yystate];
if (yyn > YYFLAG && yyn < YYLAST)
{
int size = 0;
char *msg;
int x, count;
count = 0;
/* Start X at -yyn if nec to avoid negative indexes in yycheck. */
for (x = (yyn < 0 ? -yyn : 0);
x < (sizeof(yytname) / sizeof(char *)); x++)
if (yycheck[x + yyn] == x)
size += strlen(yytname[x]) + 15, count++;
msg = (char *) malloc(size + 15);
if (msg != 0)
{
strcpy(msg, "parse error");
if (count < 5)
{
count = 0;
for (x = (yyn < 0 ? -yyn : 0);
x < (sizeof(yytname) / sizeof(char *)); x++)
if (yycheck[x + yyn] == x)
{
strcat(msg, count == 0 ? ", expecting `" : " or `");
strcat(msg, yytname[x]);
strcat(msg, "'");
count++;
}
}
yyerror(msg);
free(msg);
}
else
yyerror ("parse error; also virtual memory exceeded");
}
else
#endif /* YYERROR_VERBOSE */
yyerror("parse error");
}
goto yyerrlab1;
yyerrlab1: /* here on error raised explicitly by an action */
if (yyerrstatus == 3)
{
/* if just tried and failed to reuse lookahead token after an error, discard it. */
/* return failure if at end of input */
if (yychar == YYEOF)
YYABORT;
#if YYDEBUG != 0
if (yydebug)
fprintf(stderr, "Discarding token %d (%s).\n", yychar, yytname[yychar1]);
#endif
yychar = YYEMPTY;
}
/* Else will try to reuse lookahead token
after shifting the error token. */
yyerrstatus = 3; /* Each real token shifted decrements this */
goto yyerrhandle;
yyerrdefault: /* current state does not do anything special for the error token. */
#if 0
/* This is wrong; only states that explicitly want error tokens
should shift them. */
yyn = yydefact[yystate]; /* If its default is to accept any token, ok. Otherwise pop it.*/
if (yyn) goto yydefault;
#endif
yyerrpop: /* pop the current state because it cannot handle the error token */
if (yyssp == yyss) YYABORT;
yyvsp--;
yystate = *--yyssp;
#ifdef YYLSP_NEEDED
yylsp--;
#endif
#if YYDEBUG != 0
if (yydebug)
{
short *ssp1 = yyss - 1;
fprintf (stderr, "Error: state stack now");
while (ssp1 != yyssp)
fprintf (stderr, " %d", *++ssp1);
fprintf (stderr, "\n");
}
#endif
yyerrhandle:
yyn = yypact[yystate];
if (yyn == YYFLAG)
goto yyerrdefault;
yyn += YYTERROR;
if (yyn < 0 || yyn > YYLAST || yycheck[yyn] != YYTERROR)
goto yyerrdefault;
yyn = yytable[yyn];
if (yyn < 0)
{
if (yyn == YYFLAG)
goto yyerrpop;
yyn = -yyn;
goto yyreduce;
}
else if (yyn == 0)
goto yyerrpop;
if (yyn == YYFINAL)
YYACCEPT;
#if YYDEBUG != 0
if (yydebug)
fprintf(stderr, "Shifting error token, ");
#endif
*++yyvsp = yylval;
#ifdef YYLSP_NEEDED
*++yylsp = yylloc;
#endif
yystate = yyn;
goto yynewstate;
}
#line 644 "./config/m68k-parse.y"
/* The string to parse is stored here, and modified by yylex. */
static char *str;
/* The original string pointer. */
static char *strorig;
/* If *CCP could be a register, return the register number and advance
*CCP. Otherwise don't change *CCP, and return 0. */
static enum m68k_register
m68k_reg_parse (ccp)
register char **ccp;
{
char *start = *ccp;
char c;
char *p;
symbolS *symbolp;
if (flag_reg_prefix_optional)
{
if (*start == REGISTER_PREFIX)
start++;
p = start;
}
else
{
if (*start != REGISTER_PREFIX)
return 0;
p = start + 1;
}
if (! is_name_beginner (*p))
return 0;
p++;
while (is_part_of_name (*p) && *p != '.' && *p != ':' && *p != '*')
p++;
c = *p;
*p = 0;
symbolp = symbol_find (start);
*p = c;
if (symbolp != NULL && S_GET_SEGMENT (symbolp) == reg_section)
{
*ccp = p;
return S_GET_VALUE (symbolp);
}
/* In MRI mode, something like foo.bar can be equated to a register
name. */
while (flag_mri && c == '.')
{
++p;
while (is_part_of_name (*p) && *p != '.' && *p != ':' && *p != '*')
p++;
c = *p;
*p = '\0';
symbolp = symbol_find (start);
*p = c;
if (symbolp != NULL && S_GET_SEGMENT (symbolp) == reg_section)
{
*ccp = p;
return S_GET_VALUE (symbolp);
}
}
return 0;
}
/* The lexer. */
static int
yylex ()
{
enum m68k_register reg;
char *s;
int parens;
int c = 0;
int tail = 0;
char *hold;
if (*str == ' ')
++str;
if (*str == '\0')
return 0;
/* Various special characters are just returned directly. */
switch (*str)
{
case '@':
/* In MRI mode, this can be the start of an octal number. */
if (flag_mri)
{
if (isdigit (str[1])
|| ((str[1] == '+' || str[1] == '-')
&& isdigit (str[2])))
break;
}
/* Fall through. */
case '#':
case '&':
case ',':
case ')':
case '/':
case '[':
case ']':
return *str++;
case '+':
/* It so happens that a '+' can only appear at the end of an
operand. If it appears anywhere else, it must be a unary
plus on an expression. */
if (str[1] == '\0')
return *str++;
break;
case '-':
/* A '-' can only appear in -(ar), rn-rn, or ar@-. If it
appears anywhere else, it must be a unary minus on an
expression. */
if (str[1] == '\0')
return *str++;
s = str + 1;
if (*s == '(')
++s;
if (m68k_reg_parse (&s) != 0)
return *str++;
break;
case '(':
/* A '(' can only appear in `(reg)', `(expr,...', `([', `@(', or
`)('. If it appears anywhere else, it must be starting an
expression. */
if (str[1] == '['
|| (str > strorig
&& (str[-1] == '@'
|| str[-1] == ')')))
return *str++;
s = str + 1;
if (m68k_reg_parse (&s) != 0)
return *str++;
/* Check for the case of '(expr,...' by scanning ahead. If we
find a comma outside of balanced parentheses, we return '('.
If we find an unbalanced right parenthesis, then presumably
the '(' really starts an expression. */
parens = 0;
for (s = str + 1; *s != '\0'; s++)
{
if (*s == '(')
++parens;
else if (*s == ')')
{
if (parens == 0)
break;
--parens;
}
else if (*s == ',' && parens == 0)
{
/* A comma can not normally appear in an expression, so
this is a case of '(expr,...'. */
return *str++;
}
}
}
/* See if it's a register. */
reg = m68k_reg_parse (&str);
if (reg != 0)
{
int ret;
yylval.reg = reg;
if (reg >= DATA0 && reg <= DATA7)
ret = DR;
else if (reg >= ADDR0 && reg <= ADDR7)
ret = AR;
else if (reg >= FP0 && reg <= FP7)
return FPR;
else if (reg == FPI
|| reg == FPS
|| reg == FPC)
return FPCR;
else if (reg == PC)
return LPC;
else if (reg >= ZDATA0 && reg <= ZDATA7)
ret = ZDR;
else if (reg >= ZADDR0 && reg <= ZADDR7)
ret = ZAR;
else if (reg == ZPC)
return LZPC;
else
return CREG;
/* If we get here, we have a data or address register. We
must check for a size or scale; if we find one, we must
return INDEXREG. */
s = str;
if (*s != '.' && *s != ':' && *s != '*')
return ret;
yylval.indexreg.reg = reg;
if (*s != '.' && *s != ':')
yylval.indexreg.size = SIZE_UNSPEC;
else
{
++s;
switch (*s)
{
case 'w':
case 'W':
yylval.indexreg.size = SIZE_WORD;
++s;
break;
case 'l':
case 'L':
yylval.indexreg.size = SIZE_LONG;
++s;
break;
default:
yyerror ("illegal size specification");
yylval.indexreg.size = SIZE_UNSPEC;
break;
}
}
if (*s != '*' && *s != ':')
yylval.indexreg.scale = 1;
else
{
++s;
switch (*s)
{
case '1':
case '2':
case '4':
case '8':
yylval.indexreg.scale = *s - '0';
++s;
break;
default:
yyerror ("illegal scale specification");
yylval.indexreg.scale = 1;
break;
}
}
str = s;
return INDEXREG;
}
/* It must be an expression. Before we call expression, we need to
look ahead to see if there is a size specification. We must do
that first, because otherwise foo.l will be treated as the symbol
foo.l, rather than as the symbol foo with a long size
specification. The grammar requires that all expressions end at
the end of the operand, or with ',', '(', ']', ')'. */
parens = 0;
for (s = str; *s != '\0'; s++)
{
if (*s == '(')
{
if (parens == 0
&& s > str
&& (s[-1] == ')' || isalnum ((unsigned char) s[-1])))
break;
++parens;
}
else if (*s == ')')
{
if (parens == 0)
break;
--parens;
}
else if (parens == 0
&& (*s == ',' || *s == ']'))
break;
}
yylval.exp.size = SIZE_UNSPEC;
if (s <= str + 2
|| (s[-2] != '.' && s[-2] != ':'))
tail = 0;
else
{
switch (s[-1])
{
case 's':
case 'S':
case 'b':
case 'B':
yylval.exp.size = SIZE_BYTE;
break;
case 'w':
case 'W':
yylval.exp.size = SIZE_WORD;
break;
case 'l':
case 'L':
yylval.exp.size = SIZE_LONG;
break;
default:
break;
}
if (yylval.exp.size != SIZE_UNSPEC)
tail = 2;
}
#ifdef OBJ_ELF
{
/* Look for @PLTPC, etc. */
char *cp;
yylval.exp.pic_reloc = pic_none;
cp = s - tail;
if (cp - 6 > str && cp[-6] == '@')
{
if (strncmp (cp - 6, "@PLTPC", 6) == 0)
{
yylval.exp.pic_reloc = pic_plt_pcrel;
tail += 6;
}
else if (strncmp (cp - 6, "@GOTPC", 6) == 0)
{
yylval.exp.pic_reloc = pic_got_pcrel;
tail += 6;
}
}
else if (cp - 4 > str && cp[-4] == '@')
{
if (strncmp (cp - 4, "@PLT", 4) == 0)
{
yylval.exp.pic_reloc = pic_plt_off;
tail += 4;
}
else if (strncmp (cp - 4, "@GOT", 4) == 0)
{
yylval.exp.pic_reloc = pic_got_off;
tail += 4;
}
}
}
#endif
if (tail != 0)
{
c = s[-tail];
s[-tail] = 0;
}
hold = input_line_pointer;
input_line_pointer = str;
expression (&yylval.exp.exp);
str = input_line_pointer;
input_line_pointer = hold;
if (tail != 0)
{
s[-tail] = c;
str = s;
}
return EXPR;
}
/* Parse an m68k operand. This is the only function which is called
from outside this file. */
int
m68k_ip_op (s, oparg)
char *s;
struct m68k_op *oparg;
{
memset (oparg, 0, sizeof *oparg);
oparg->error = NULL;
oparg->index.reg = ZDATA0;
oparg->index.scale = 1;
oparg->disp.exp.X_op = O_absent;
oparg->odisp.exp.X_op = O_absent;
str = strorig = s;
op = oparg;
return yyparse ();
}
/* The error handler. */
static void
yyerror (s)
const char *s;
{
op->error = s;
}
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