diff options
Diffstat (limited to 'gas/m68k-parse.c')
| -rw-r--r-- | gas/m68k-parse.c | 2263 |
1 files changed, 2263 insertions, 0 deletions
diff --git a/gas/m68k-parse.c b/gas/m68k-parse.c new file mode 100644 index 000000000000..3650ba3f8fcb --- /dev/null +++ b/gas/m68k-parse.c @@ -0,0 +1,2263 @@ +/* A Bison parser, made from m68k-parse.y + by GNU bison 1.35. */ + +#define YYBISON 1 /* Identify Bison output. */ + +# define DR 257 +# define AR 258 +# define FPR 259 +# define FPCR 260 +# define LPC 261 +# define ZAR 262 +# define ZDR 263 +# define LZPC 264 +# define CREG 265 +# define INDEXREG 266 +# define EXPR 267 + +#line 27 "m68k-parse.y" + + +#include "as.h" +#include "tc-m68k.h" +#include "m68k-parse.h" +#include "safe-ctype.h" + +/* Remap normal yacc parser interface names (yyparse, yylex, yyerror, + etc), as well as gratuitously 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 94 "m68k-parse.y" +#ifndef YYSTYPE +typedef union +{ + struct m68k_indexreg indexreg; + enum m68k_register reg; + struct m68k_exp exp; + unsigned long mask; + int onereg; +} yystype; +# define YYSTYPE yystype +# define YYSTYPE_IS_TRIVIAL 1 +#endif +#ifndef YYDEBUG +# define YYDEBUG 0 +#endif + + + +#define YYFINAL 173 +#define YYFLAG -32768 +#define YYNTBASE 25 + +/* YYTRANSLATE(YYLEX) -- Bison token number corresponding to YYLEX. */ +#define YYTRANSLATE(x) ((unsigned)(x) <= 267 ? yytranslate[x] : 44) + +/* YYTRANSLATE[YYLEX] -- Bison token number corresponding to YYLEX. */ +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, 3, 4, 5, + 6, 7, 8, 9, 10, 11, 12, 13 +}; + +#if YYDEBUG +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 +/* YYRLINE[YYN] -- source line where rule number YYN was defined. */ +static const short yyrline[] = +{ + 0, 117, 119, 120, 125, 131, 136, 141, 146, 151, + 156, 161, 166, 178, 184, 189, 194, 204, 214, 224, + 229, 234, 239, 246, 257, 264, 270, 277, 283, 294, + 304, 311, 317, 325, 332, 339, 345, 353, 360, 372, + 383, 395, 404, 412, 420, 430, 437, 445, 452, 465, + 467, 479, 481, 492, 494, 495, 500, 502, 507, 509, + 515, 517, 518, 523, 528, 533, 535, 540, 545, 553, + 559, 567, 573, 581, 583, 587, 598, 603, 604, 608, + 614, 624, 629, 633, 637 +}; +#endif + + +#if (YYDEBUG) || defined YYERROR_VERBOSE + +/* YYTNAME[TOKEN_NUM] -- String name of the token TOKEN_NUM. */ +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", 0 +}; +#endif + +/* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */ +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 +}; + +/* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN. */ +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 +}; + +/* YYDEFACT[S] -- default rule to reduce with in state S when YYTABLE + doesn't specify something else to do. Zero means the default is an + error. */ +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/share/bison-1.35/bison.simple" + +/* Skeleton output parser for bison, + + Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002 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., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, 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. */ + +/* 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. */ + +/* All symbols defined below should begin with yy or YY, to avoid + infringing on user name space. This should be done even for local + variables, as they might otherwise be expanded by user macros. + There are some unavoidable exceptions within include files to + define necessary library symbols; they are noted "INFRINGES ON + USER NAME SPACE" below. */ + +#if ! defined (yyoverflow) || defined (YYERROR_VERBOSE) + +/* The parser invokes alloca or malloc; define the necessary symbols. */ + +# if YYSTACK_USE_ALLOCA +# define YYSTACK_ALLOC alloca +# else +# ifndef YYSTACK_USE_ALLOCA +# if defined (alloca) || defined (_ALLOCA_H) +# define YYSTACK_ALLOC alloca +# else +# ifdef __GNUC__ +# define YYSTACK_ALLOC __builtin_alloca +# endif +# endif +# endif +# endif + +# ifdef YYSTACK_ALLOC + /* Pacify GCC's `empty if-body' warning. */ +# define YYSTACK_FREE(Ptr) do { /* empty */; } while (0) +# else +# if defined (__STDC__) || defined (__cplusplus) +# include <stdlib.h> /* INFRINGES ON USER NAME SPACE */ +# define YYSIZE_T size_t +# endif +# define YYSTACK_ALLOC malloc +# define YYSTACK_FREE free +# endif +#endif /* ! defined (yyoverflow) || defined (YYERROR_VERBOSE) */ + + +#if (! defined (yyoverflow) \ + && (! defined (__cplusplus) \ + || (YYLTYPE_IS_TRIVIAL && YYSTYPE_IS_TRIVIAL))) + +/* A type that is properly aligned for any stack member. */ +union yyalloc +{ + short yyss; + YYSTYPE yyvs; +# if YYLSP_NEEDED + YYLTYPE yyls; +# endif +}; + +/* The size of the maximum gap between one aligned stack and the next. */ +# define YYSTACK_GAP_MAX (sizeof (union yyalloc) - 1) + +/* The size of an array large to enough to hold all stacks, each with + N elements. */ +# if YYLSP_NEEDED +# define YYSTACK_BYTES(N) \ + ((N) * (sizeof (short) + sizeof (YYSTYPE) + sizeof (YYLTYPE)) \ + + 2 * YYSTACK_GAP_MAX) +# else +# define YYSTACK_BYTES(N) \ + ((N) * (sizeof (short) + sizeof (YYSTYPE)) \ + + YYSTACK_GAP_MAX) +# endif + +/* Copy COUNT objects from FROM to TO. The source and destination do + not overlap. */ +# ifndef YYCOPY +# if 1 < __GNUC__ +# define YYCOPY(To, From, Count) \ + __builtin_memcpy (To, From, (Count) * sizeof (*(From))) +# else +# define YYCOPY(To, From, Count) \ + do \ + { \ + register YYSIZE_T yyi; \ + for (yyi = 0; yyi < (Count); yyi++) \ + (To)[yyi] = (From)[yyi]; \ + } \ + while (0) +# endif +# endif + +/* Relocate STACK from its old location to the new one. The + local variables YYSIZE and YYSTACKSIZE give the old and new number of + elements in the stack, and YYPTR gives the new location of the + stack. Advance YYPTR to a properly aligned location for the next + stack. */ +# define YYSTACK_RELOCATE(Stack) \ + do \ + { \ + YYSIZE_T yynewbytes; \ + YYCOPY (&yyptr->Stack, Stack, yysize); \ + Stack = &yyptr->Stack; \ + yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAX; \ + yyptr += yynewbytes / sizeof (*yyptr); \ + } \ + while (0) + +#endif + + +#if ! defined (YYSIZE_T) && defined (__SIZE_TYPE__) +# define YYSIZE_T __SIZE_TYPE__ +#endif +#if ! defined (YYSIZE_T) && defined (size_t) +# define YYSIZE_T size_t +#endif +#if ! defined (YYSIZE_T) +# if defined (__STDC__) || defined (__cplusplus) +# include <stddef.h> /* INFRINGES ON USER NAME SPACE */ +# define YYSIZE_T size_t +# endif +#endif +#if ! defined (YYSIZE_T) +# define YYSIZE_T unsigned int +#endif + +#define yyerrok (yyerrstatus = 0) +#define yyclearin (yychar = YYEMPTY) +#define YYEMPTY -2 +#define YYEOF 0 +#define YYACCEPT goto yyacceptlab +#define YYABORT goto yyabortlab +#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 + + +/* YYLLOC_DEFAULT -- Compute the default location (before the actions + are run). + + When YYLLOC_DEFAULT is run, CURRENT is set the location of the + first token. By default, to implement support for ranges, extend + its range to the last symbol. */ + +#ifndef YYLLOC_DEFAULT +# define YYLLOC_DEFAULT(Current, Rhs, N) \ + Current.last_line = Rhs[N].last_line; \ + Current.last_column = Rhs[N].last_column; +#endif + + +/* YYLEX -- calling `yylex' with the right arguments. */ + +#if YYPURE +# if YYLSP_NEEDED +# ifdef YYLEX_PARAM +# define YYLEX yylex (&yylval, &yylloc, YYLEX_PARAM) +# else +# define YYLEX yylex (&yylval, &yylloc) +# endif +# else /* !YYLSP_NEEDED */ +# ifdef YYLEX_PARAM +# define YYLEX yylex (&yylval, YYLEX_PARAM) +# else +# define YYLEX yylex (&yylval) +# endif +# endif /* !YYLSP_NEEDED */ +#else /* !YYPURE */ +# define YYLEX yylex () +#endif /* !YYPURE */ + + +/* Enable debugging if requested. */ +#if YYDEBUG + +# ifndef YYFPRINTF +# include <stdio.h> /* INFRINGES ON USER NAME SPACE */ +# define YYFPRINTF fprintf +# endif + +# define YYDPRINTF(Args) \ +do { \ + if (yydebug) \ + YYFPRINTF Args; \ +} while (0) +/* Nonzero means print parse trace. It is left uninitialized so that + multiple parsers can coexist. */ +int yydebug; +#else /* !YYDEBUG */ +# define YYDPRINTF(Args) +#endif /* !YYDEBUG */ + +/* YYINITDEPTH -- initial size of the parser's stacks. */ +#ifndef YYINITDEPTH +# define YYINITDEPTH 200 +#endif + +/* YYMAXDEPTH -- maximum size the stacks can grow to (effective only + if the built-in stack extension method is used). + + Do not make this value too large; the results are undefined if + SIZE_MAX < YYSTACK_BYTES (YYMAXDEPTH) + evaluated with infinite-precision integer arithmetic. */ + +#if YYMAXDEPTH == 0 +# undef YYMAXDEPTH +#endif + +#ifndef YYMAXDEPTH +# define YYMAXDEPTH 10000 +#endif + +#ifdef YYERROR_VERBOSE + +# ifndef yystrlen +# if defined (__GLIBC__) && defined (_STRING_H) +# define yystrlen strlen +# else +/* Return the length of YYSTR. */ +static YYSIZE_T +# if defined (__STDC__) || defined (__cplusplus) +yystrlen (const char *yystr) +# else +yystrlen (yystr) + const char *yystr; +# endif +{ + register const char *yys = yystr; + + while (*yys++ != '\0') + continue; + + return yys - yystr - 1; +} +# endif +# endif + +# ifndef yystpcpy +# if defined (__GLIBC__) && defined (_STRING_H) && defined (_GNU_SOURCE) +# define yystpcpy stpcpy +# else +/* Copy YYSRC to YYDEST, returning the address of the terminating '\0' in + YYDEST. */ +static char * +# if defined (__STDC__) || defined (__cplusplus) +yystpcpy (char *yydest, const char *yysrc) +# else +yystpcpy (yydest, yysrc) + char *yydest; + const char *yysrc; +# endif +{ + register char *yyd = yydest; + register const char *yys = yysrc; + + while ((*yyd++ = *yys++) != '\0') + continue; + + return yyd - 1; +} +# endif +# endif +#endif + +#line 315 "/usr/share/bison-1.35/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 +# if defined (__STDC__) || defined (__cplusplus) +# define YYPARSE_PARAM_ARG void *YYPARSE_PARAM +# define YYPARSE_PARAM_DECL +# else +# define YYPARSE_PARAM_ARG YYPARSE_PARAM +# define YYPARSE_PARAM_DECL void *YYPARSE_PARAM; +# endif +#else /* !YYPARSE_PARAM */ +# define YYPARSE_PARAM_ARG +# define YYPARSE_PARAM_DECL +#endif /* !YYPARSE_PARAM */ + +/* Prevent warning if -Wstrict-prototypes. */ +#ifdef __GNUC__ +# ifdef YYPARSE_PARAM +int yyparse (void *); +# else +int yyparse (void); +# endif +#endif + +/* YY_DECL_VARIABLES -- depending whether we use a pure parser, + variables are global, or local to YYPARSE. */ + +#define YY_DECL_NON_LSP_VARIABLES \ +/* The lookahead symbol. */ \ +int yychar; \ + \ +/* The semantic value of the lookahead symbol. */ \ +YYSTYPE yylval; \ + \ +/* Number of parse errors so far. */ \ +int yynerrs; + +#if YYLSP_NEEDED +# define YY_DECL_VARIABLES \ +YY_DECL_NON_LSP_VARIABLES \ + \ +/* Location data for the lookahead symbol. */ \ +YYLTYPE yylloc; +#else +# define YY_DECL_VARIABLES \ +YY_DECL_NON_LSP_VARIABLES +#endif + + +/* If nonreentrant, generate the variables here. */ + +#if !YYPURE +YY_DECL_VARIABLES +#endif /* !YYPURE */ + +int +yyparse (YYPARSE_PARAM_ARG) + YYPARSE_PARAM_DECL +{ + /* If reentrant, generate the variables here. */ +#if YYPURE + YY_DECL_VARIABLES +#endif /* !YYPURE */ + + register int yystate; + register int yyn; + int yyresult; + /* Number of tokens to shift before error messages enabled. */ + int yyerrstatus; + /* Lookahead token as an internal (translated) token number. */ + int yychar1 = 0; + + /* Three stacks and their tools: + `yyss': related to states, + `yyvs': related to semantic values, + `yyls': related to locations. + + Refer to the stacks thru separate pointers, to allow yyoverflow + to reallocate them elsewhere. */ + + /* The state stack. */ + short yyssa[YYINITDEPTH]; + short *yyss = yyssa; + register short *yyssp; + + /* The semantic value stack. */ + YYSTYPE yyvsa[YYINITDEPTH]; + YYSTYPE *yyvs = yyvsa; + register YYSTYPE *yyvsp; + +#if YYLSP_NEEDED + /* The location stack. */ + YYLTYPE yylsa[YYINITDEPTH]; + YYLTYPE *yyls = yylsa; + YYLTYPE *yylsp; +#endif + +#if YYLSP_NEEDED +# define YYPOPSTACK (yyvsp--, yyssp--, yylsp--) +#else +# define YYPOPSTACK (yyvsp--, yyssp--) +#endif + + YYSIZE_T yystacksize = YYINITDEPTH; + + + /* The variables used to return semantic value and location from the + action routines. */ + YYSTYPE yyval; +#if YYLSP_NEEDED + YYLTYPE yyloc; +#endif + + /* When reducing, the number of symbols on the RHS of the reduced + rule. */ + int yylen; + + YYDPRINTF ((stderr, "Starting parse\n")); + + 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; + yyvsp = yyvs; +#if YYLSP_NEEDED + yylsp = yyls; +#endif + goto yysetstate; + +/*------------------------------------------------------------. +| yynewstate -- Push a new state, which is found in yystate. | +`------------------------------------------------------------*/ + yynewstate: + /* In all cases, when you get here, the value and location stacks + have just been pushed. so pushing a state here evens the stacks. + */ + yyssp++; + + yysetstate: + *yyssp = yystate; + + if (yyssp >= yyss + yystacksize - 1) + { + /* Get the current used size of the three stacks, in elements. */ + YYSIZE_T yysize = yyssp - yyss + 1; + +#ifdef yyoverflow + { + /* 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; + + /* Each stack pointer address is followed by the size of the + data in use in that stack, in bytes. */ +# if YYLSP_NEEDED + YYLTYPE *yyls1 = yyls; + /* 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, yysize * sizeof (*yyssp), + &yyvs1, yysize * sizeof (*yyvsp), + &yyls1, yysize * sizeof (*yylsp), + &yystacksize); + yyls = yyls1; +# else + yyoverflow ("parser stack overflow", + &yyss1, yysize * sizeof (*yyssp), + &yyvs1, yysize * sizeof (*yyvsp), + &yystacksize); +# endif + yyss = yyss1; + yyvs = yyvs1; + } +#else /* no yyoverflow */ +# ifndef YYSTACK_RELOCATE + goto yyoverflowlab; +# else + /* Extend the stack our own way. */ + if (yystacksize >= YYMAXDEPTH) + goto yyoverflowlab; + yystacksize *= 2; + if (yystacksize > YYMAXDEPTH) + yystacksize = YYMAXDEPTH; + + { + short *yyss1 = yyss; + union yyalloc *yyptr = + (union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize)); + if (! yyptr) + goto yyoverflowlab; + YYSTACK_RELOCATE (yyss); + YYSTACK_RELOCATE (yyvs); +# if YYLSP_NEEDED + YYSTACK_RELOCATE (yyls); +# endif +# undef YYSTACK_RELOCATE + if (yyss1 != yyssa) + YYSTACK_FREE (yyss1); + } +# endif +#endif /* no yyoverflow */ + + yyssp = yyss + yysize - 1; + yyvsp = yyvs + yysize - 1; +#if YYLSP_NEEDED + yylsp = yyls + yysize - 1; +#endif + + YYDPRINTF ((stderr, "Stack size increased to %lu\n", + (unsigned long int) yystacksize)); + + if (yyssp >= yyss + yystacksize - 1) + YYABORT; + } + + YYDPRINTF ((stderr, "Entering state %d\n", yystate)); + + goto yybackup; + + +/*-----------. +| 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) + { + YYDPRINTF ((stderr, "Reading a token: ")); + 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 */ + + YYDPRINTF ((stderr, "Now at end of input.\n")); + } + else + { + yychar1 = YYTRANSLATE (yychar); + +#if YYDEBUG + /* We have to keep this `#if YYDEBUG', since we use variables + which are defined only if `YYDEBUG' is set. */ + if (yydebug) + { + YYFPRINTF (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 + YYFPRINTF (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. */ + YYDPRINTF ((stderr, "Shifting token %d (%s), ", + yychar, yytname[yychar1])); + + /* Discard the token being shifted unless it is eof. */ + if (yychar != YYEOF) + yychar = YYEMPTY; + + *++yyvsp = yylval; +#if YYLSP_NEEDED + *++yylsp = yylloc; +#endif + + /* Count tokens shifted since error; after three, turn off error + status. */ + if (yyerrstatus) + yyerrstatus--; + + yystate = yyn; + goto yynewstate; + + +/*-----------------------------------------------------------. +| yydefault -- do the default action for the current state. | +`-----------------------------------------------------------*/ +yydefault: + yyn = yydefact[yystate]; + if (yyn == 0) + goto yyerrlab; + goto yyreduce; + + +/*-----------------------------. +| yyreduce -- Do a reduction. | +`-----------------------------*/ +yyreduce: + /* yyn is the number of a rule to reduce with. */ + yylen = yyr2[yyn]; + + /* If YYLEN is nonzero, implement the default value of the action: + `$$ = $1'. + + Otherwise, the following line sets YYVAL to the semantic value of + the lookahead token. This behavior is undocumented and Bison + users should not rely upon it. Assigning to YYVAL + unconditionally makes the parser a bit smaller, and it avoids a + GCC warning that YYVAL may be used uninitialized. */ + yyval = yyvsp[1-yylen]; + +#if YYLSP_NEEDED + /* Similarly for the default location. Let the user run additional + commands if for instance locations are ranges. */ + yyloc = yylsp[1-yylen]; + YYLLOC_DEFAULT (yyloc, (yylsp - yylen), yylen); +#endif + +#if YYDEBUG + /* We have to keep this `#if YYDEBUG', since we use variables which + are defined only if `YYDEBUG' is set. */ + if (yydebug) + { + int yyi; + + YYFPRINTF (stderr, "Reducing via rule %d (line %d), ", + yyn, yyrline[yyn]); + + /* Print the symbols being reduced, and their result. */ + for (yyi = yyprhs[yyn]; yyrhs[yyi] > 0; yyi++) + YYFPRINTF (stderr, "%s ", yytname[yyrhs[yyi]]); + YYFPRINTF (stderr, " -> %s\n", yytname[yyr1[yyn]]); + } +#endif + + switch (yyn) { + +case 4: +#line 127 "m68k-parse.y" +{ + op->mode = DREG; + op->reg = yyvsp[0].reg; + } + break; +case 5: +#line 132 "m68k-parse.y" +{ + op->mode = AREG; + op->reg = yyvsp[0].reg; + } + break; +case 6: +#line 137 "m68k-parse.y" +{ + op->mode = FPREG; + op->reg = yyvsp[0].reg; + } + break; +case 7: +#line 142 "m68k-parse.y" +{ + op->mode = CONTROL; + op->reg = yyvsp[0].reg; + } + break; +case 8: +#line 147 "m68k-parse.y" +{ + op->mode = CONTROL; + op->reg = yyvsp[0].reg; + } + break; +case 9: +#line 152 "m68k-parse.y" +{ + op->mode = ABSL; + op->disp = yyvsp[0].exp; + } + break; +case 10: +#line 157 "m68k-parse.y" +{ + op->mode = IMMED; + op->disp = yyvsp[0].exp; + } + break; +case 11: +#line 162 "m68k-parse.y" +{ + op->mode = IMMED; + op->disp = yyvsp[0].exp; + } + break; +case 12: +#line 167 "m68k-parse.y" +{ + op->mode = REGLST; + op->mask = yyvsp[0].mask; + } + break; +case 13: +#line 180 "m68k-parse.y" +{ + op->mode = AINDR; + op->reg = yyvsp[-1].reg; + } + break; +case 14: +#line 185 "m68k-parse.y" +{ + op->mode = AINC; + op->reg = yyvsp[-2].reg; + } + break; +case 15: +#line 190 "m68k-parse.y" +{ + op->mode = ADEC; + op->reg = yyvsp[-1].reg; + } + break; +case 16: +#line 195 "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 205 "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 215 "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 225 "m68k-parse.y" +{ + op->mode = DISP; + op->reg = yyvsp[-1].reg; + } + break; +case 20: +#line 230 "m68k-parse.y" +{ + op->mode = BASE; + op->reg = yyvsp[-1].reg; + } + break; +case 21: +#line 235 "m68k-parse.y" +{ + op->mode = BASE; + op->reg = yyvsp[-1].reg; + } + break; +case 22: +#line 240 "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 247 "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 258 "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 265 "m68k-parse.y" +{ + op->mode = BASE; + op->disp = yyvsp[-1].exp; + op->index = yyvsp[-3].indexreg; + } + break; +case 26: +#line 271 "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 278 "m68k-parse.y" +{ + op->mode = BASE; + op->reg = yyvsp[-3].reg; + op->index = yyvsp[-1].indexreg; + } + break; +case 28: +#line 284 "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 295 "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 305 "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 312 "m68k-parse.y" +{ + op->mode = BASE; + op->reg = yyvsp[-1].reg; + op->index = yyvsp[-2].indexreg; + } + break; +case 32: +#line 318 "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 326 "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 333 "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 340 "m68k-parse.y" +{ + op->mode = POST; + op->reg = yyvsp[-3].reg; + op->odisp = yyvsp[-1].exp; + } + break; +case 36: +#line 346 "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 354 "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 361 "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 373 "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 384 "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 397 "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 405 "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 413 "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 421 "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 431 "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 438 "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 446 "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 453 "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 468 "m68k-parse.y" +{ + yyval.indexreg.reg = yyvsp[0].reg; + yyval.indexreg.size = SIZE_UNSPEC; + yyval.indexreg.scale = 1; + } + break; +case 52: +#line 482 "m68k-parse.y" +{ + yyval.indexreg.reg = yyvsp[0].reg; + yyval.indexreg.size = SIZE_UNSPEC; + yyval.indexreg.scale = 1; + } + break; +case 63: +#line 525 "m68k-parse.y" +{ + yyval.reg = ZADDR0; + } + break; +case 67: +#line 542 "m68k-parse.y" +{ + yyval.reg = ZADDR0; + } + break; +case 68: +#line 546 "m68k-parse.y" +{ + yyval.reg = yyvsp[0].reg; + } + break; +case 69: +#line 555 "m68k-parse.y" +{ + yyval.exp.exp.X_op = O_absent; + yyval.exp.size = SIZE_UNSPEC; + } + break; +case 70: +#line 560 "m68k-parse.y" +{ + yyval.exp = yyvsp[0].exp; + } + break; +case 71: +#line 569 "m68k-parse.y" +{ + yyval.exp.exp.X_op = O_absent; + yyval.exp.size = SIZE_UNSPEC; + } + break; +case 72: +#line 574 "m68k-parse.y" +{ + yyval.exp = yyvsp[-1].exp; + } + break; +case 74: +#line 584 "m68k-parse.y" +{ + yyval.mask = yyvsp[-2].mask | yyvsp[0].mask; + } + break; +case 75: +#line 588 "m68k-parse.y" +{ + yyval.mask = (1 << yyvsp[-2].onereg) | yyvsp[0].mask; + } + break; +case 76: +#line 600 "m68k-parse.y" +{ + yyval.mask = 1 << yyvsp[0].onereg; + } + break; +case 78: +#line 605 "m68k-parse.y" +{ + yyval.mask = yyvsp[-2].mask | yyvsp[0].mask; + } + break; +case 79: +#line 609 "m68k-parse.y" +{ + yyval.mask = (1 << yyvsp[-2].onereg) | yyvsp[0].mask; + } + break; +case 80: +#line 616 "m68k-parse.y" +{ + if (yyvsp[-2].onereg <= yyvsp[0].onereg) + yyval.mask = (1 << (yyvsp[0].onereg + 1)) - 1 - ((1 << yyvsp[-2].onereg) - 1); + else + yyval.mask = (1 << (yyvsp[-2].onereg + 1)) - 1 - ((1 << yyvsp[0].onereg) - 1); + } + break; +case 81: +#line 626 "m68k-parse.y" +{ + yyval.onereg = yyvsp[0].reg - DATA0; + } + break; +case 82: +#line 630 "m68k-parse.y" +{ + yyval.onereg = yyvsp[0].reg - ADDR0 + 8; + } + break; +case 83: +#line 634 "m68k-parse.y" +{ + yyval.onereg = yyvsp[0].reg - FP0 + 16; + } + break; +case 84: +#line 638 "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; +} + +#line 705 "/usr/share/bison-1.35/bison.simple" + + + yyvsp -= yylen; + yyssp -= yylen; +#if YYLSP_NEEDED + yylsp -= yylen; +#endif + +#if YYDEBUG + if (yydebug) + { + short *yyssp1 = yyss - 1; + YYFPRINTF (stderr, "state stack now"); + while (yyssp1 != yyssp) + YYFPRINTF (stderr, " %d", *++yyssp1); + YYFPRINTF (stderr, "\n"); + } +#endif + + *++yyvsp = yyval; +#if YYLSP_NEEDED + *++yylsp = yyloc; +#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 | +`------------------------------------*/ +yyerrlab: + /* If not already recovering from an error, report this error. */ + if (!yyerrstatus) + { + ++yynerrs; + +#ifdef YYERROR_VERBOSE + yyn = yypact[yystate]; + + if (yyn > YYFLAG && yyn < YYLAST) + { + YYSIZE_T yysize = 0; + char *yymsg; + int yyx, yycount; + + yycount = 0; + /* Start YYX at -YYN if negative to avoid negative indexes in + YYCHECK. */ + for (yyx = yyn < 0 ? -yyn : 0; + yyx < (int) (sizeof (yytname) / sizeof (char *)); yyx++) + if (yycheck[yyx + yyn] == yyx) + yysize += yystrlen (yytname[yyx]) + 15, yycount++; + yysize += yystrlen ("parse error, unexpected ") + 1; + yysize += yystrlen (yytname[YYTRANSLATE (yychar)]); + yymsg = (char *) YYSTACK_ALLOC (yysize); + if (yymsg != 0) + { + char *yyp = yystpcpy (yymsg, "parse error, unexpected "); + yyp = yystpcpy (yyp, yytname[YYTRANSLATE (yychar)]); + + if (yycount < 5) + { + yycount = 0; + for (yyx = yyn < 0 ? -yyn : 0; + yyx < (int) (sizeof (yytname) / sizeof (char *)); + yyx++) + if (yycheck[yyx + yyn] == yyx) + { + const char *yyq = ! yycount ? ", expecting " : " or "; + yyp = yystpcpy (yyp, yyq); + yyp = yystpcpy (yyp, yytname[yyx]); + yycount++; + } + } + yyerror (yymsg); + YYSTACK_FREE (yymsg); + } + else + yyerror ("parse error; also virtual memory exhausted"); + } + else +#endif /* defined (YYERROR_VERBOSE) */ + yyerror ("parse error"); + } + goto yyerrlab1; + + +/*--------------------------------------------------. +| yyerrlab1 -- error raised explicitly by an action | +`--------------------------------------------------*/ +yyerrlab1: + 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; + YYDPRINTF ((stderr, "Discarding token %d (%s).\n", + yychar, yytname[yychar1])); + 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. | +`-------------------------------------------------------------------*/ +yyerrdefault: +#if 0 + /* This is wrong; only states that explicitly want error tokens + should shift them. */ + + /* If its default is to accept any token, ok. Otherwise pop it. */ + yyn = yydefact[yystate]; + if (yyn) + goto yydefault; +#endif + + +/*---------------------------------------------------------------. +| yyerrpop -- pop the current state because it cannot handle the | +| error token | +`---------------------------------------------------------------*/ +yyerrpop: + if (yyssp == yyss) + YYABORT; + yyvsp--; + yystate = *--yyssp; +#if YYLSP_NEEDED + yylsp--; +#endif + +#if YYDEBUG + if (yydebug) + { + short *yyssp1 = yyss - 1; + YYFPRINTF (stderr, "Error: state stack now"); + while (yyssp1 != yyssp) + YYFPRINTF (stderr, " %d", *++yyssp1); + YYFPRINTF (stderr, "\n"); + } +#endif + +/*--------------. +| yyerrhandle. | +`--------------*/ +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; + + YYDPRINTF ((stderr, "Shifting error token, ")); + + *++yyvsp = yylval; +#if YYLSP_NEEDED + *++yylsp = yylloc; +#endif + + yystate = yyn; + goto yynewstate; + + +/*-------------------------------------. +| yyacceptlab -- YYACCEPT comes here. | +`-------------------------------------*/ +yyacceptlab: + yyresult = 0; + goto yyreturn; + +/*-----------------------------------. +| yyabortlab -- YYABORT comes here. | +`-----------------------------------*/ +yyabortlab: + yyresult = 1; + goto yyreturn; + +/*---------------------------------------------. +| yyoverflowab -- parser overflow comes here. | +`---------------------------------------------*/ +yyoverflowlab: + yyerror ("parser stack overflow"); + yyresult = 2; + /* Fall through. */ + +yyreturn: +#ifndef yyoverflow + if (yyss != yyssa) + YYSTACK_FREE (yyss); +#endif + return yyresult; +} +#line 648 "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; + } + } + + yylval.indexreg.scale = 1; + + if (*s == '*' || *s == ':') + { + expressionS scale; + + ++s; + + hold = input_line_pointer; + input_line_pointer = s; + expression (&scale); + s = input_line_pointer; + input_line_pointer = hold; + + if (scale.X_op != O_constant) + yyerror (_("scale specification must resolve to a number")); + else + { + switch (scale.X_add_number) + { + case 1: + case 2: + case 4: + case 8: + yylval.indexreg.scale = scale.X_add_number; + break; + default: + yyerror (_("invalid scale value")); + 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 (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; +} |