| /* 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 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 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/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/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/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; |
| } |