diff options
Diffstat (limited to 'src/ldscript.c')
| -rw-r--r-- | src/ldscript.c | 2746 |
1 files changed, 2746 insertions, 0 deletions
diff --git a/src/ldscript.c b/src/ldscript.c new file mode 100644 index 0000000..e9703b6 --- /dev/null +++ b/src/ldscript.c @@ -0,0 +1,2746 @@ +/* A Bison parser, made by GNU Bison 2.4.3. */ + +/* Skeleton implementation for Bison's Yacc-like parsers in C + + Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006, + 2009, 2010 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 3 of the License, 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, see <http://www.gnu.org/licenses/>. */ + +/* As a special exception, you may create a larger work that contains + part or all of the Bison parser skeleton and distribute that work + under terms of your choice, so long as that work isn't itself a + parser generator using the skeleton or a modified version thereof + as a parser skeleton. Alternatively, if you modify or redistribute + the parser skeleton itself, you may (at your option) remove this + special exception, which will cause the skeleton and the resulting + Bison output files to be licensed under the GNU General Public + License without this special exception. + + This special exception was added by the Free Software Foundation in + version 2.2 of Bison. */ + +/* C LALR(1) parser skeleton written by Richard Stallman, by + simplifying the original so-called "semantic" parser. */ + +/* 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. */ + +/* Identify Bison output. */ +#define YYBISON 1 + +/* Bison version. */ +#define YYBISON_VERSION "2.4.3" + +/* Skeleton name. */ +#define YYSKELETON_NAME "yacc.c" + +/* Pure parsers. */ +#define YYPURE 0 + +/* Push parsers. */ +#define YYPUSH 0 + +/* Pull parsers. */ +#define YYPULL 1 + +/* Using locations. */ +#define YYLSP_NEEDED 0 + +/* Substitute the variable and function names. */ +#define yyparse ldparse +#define yylex ldlex +#define yyerror lderror +#define yylval ldlval +#define yychar ldchar +#define yydebug lddebug +#define yynerrs ldnerrs + + +/* Copy the first part of user declarations. */ + +/* Line 189 of yacc.c */ +#line 1 "ldscript.y" + +/* Parser for linker scripts. + Copyright (C) 2001-2011 Red Hat, Inc. + This file is part of Red Hat elfutils. + Written by Ulrich Drepper <drepper@redhat.com>, 2001. + + Red Hat elfutils 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; version 2 of the License. + + Red Hat elfutils 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 Red Hat elfutils; if not, write to the Free Software Foundation, + Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA. + + Red Hat elfutils is an included package of the Open Invention Network. + An included package of the Open Invention Network is a package for which + Open Invention Network licensees cross-license their patents. No patent + license is granted, either expressly or impliedly, by designation as an + included package. Should you wish to participate in the Open Invention + Network licensing program, please visit www.openinventionnetwork.com + <http://www.openinventionnetwork.com>. */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include <assert.h> +#include <error.h> +#include <libintl.h> +#include <stdbool.h> +#include <stdint.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include <system.h> +#include <ld.h> + +/* The error handler. */ +static void yyerror (const char *s); + +/* Some helper functions we need to construct the data structures + describing information from the file. */ +static struct expression *new_expr (int tag); +static struct input_section_name *new_input_section_name (const char *name, + bool sort_flag); +static struct input_rule *new_input_rule (int tag); +static struct output_rule *new_output_rule (int tag); +static struct assignment *new_assignment (const char *variable, + struct expression *expression, + bool provide_flag); +static void new_segment (int mode, struct output_rule *output_rule); +static struct filename_list *new_filename_listelem (const char *string); +static void add_inputfiles (struct filename_list *fnames); +static struct id_list *new_id_listelem (const char *str); + static struct filename_list *mark_as_needed (struct filename_list *listp); +static struct version *new_version (struct id_list *local, + struct id_list *global); +static struct version *merge_versions (struct version *one, + struct version *two); +static void add_versions (struct version *versions); + +extern int yylex (void); + + +/* Line 189 of yacc.c */ +#line 151 "ldscript.c" + +/* Enabling traces. */ +#ifndef YYDEBUG +# define YYDEBUG 0 +#endif + +/* Enabling verbose error messages. */ +#ifdef YYERROR_VERBOSE +# undef YYERROR_VERBOSE +# define YYERROR_VERBOSE 1 +#else +# define YYERROR_VERBOSE 0 +#endif + +/* Enabling the token table. */ +#ifndef YYTOKEN_TABLE +# define YYTOKEN_TABLE 0 +#endif + + +/* Tokens. */ +#ifndef YYTOKENTYPE +# define YYTOKENTYPE + /* Put the tokens into the symbol table, so that GDB and other debuggers + know about them. */ + enum yytokentype { + kADD_OP = 258, + kALIGN = 259, + kAS_NEEDED = 260, + kENTRY = 261, + kEXCLUDE_FILE = 262, + kFILENAME = 263, + kGLOBAL = 264, + kGROUP = 265, + kID = 266, + kINPUT = 267, + kINTERP = 268, + kKEEP = 269, + kLOCAL = 270, + kMODE = 271, + kMUL_OP = 272, + kNUM = 273, + kOUTPUT_FORMAT = 274, + kPAGESIZE = 275, + kPROVIDE = 276, + kSEARCH_DIR = 277, + kSEGMENT = 278, + kSIZEOF_HEADERS = 279, + kSORT = 280, + kVERSION = 281, + kVERSION_SCRIPT = 282, + ADD_OP = 283, + MUL_OP = 284 + }; +#endif +/* Tokens. */ +#define kADD_OP 258 +#define kALIGN 259 +#define kAS_NEEDED 260 +#define kENTRY 261 +#define kEXCLUDE_FILE 262 +#define kFILENAME 263 +#define kGLOBAL 264 +#define kGROUP 265 +#define kID 266 +#define kINPUT 267 +#define kINTERP 268 +#define kKEEP 269 +#define kLOCAL 270 +#define kMODE 271 +#define kMUL_OP 272 +#define kNUM 273 +#define kOUTPUT_FORMAT 274 +#define kPAGESIZE 275 +#define kPROVIDE 276 +#define kSEARCH_DIR 277 +#define kSEGMENT 278 +#define kSIZEOF_HEADERS 279 +#define kSORT 280 +#define kVERSION 281 +#define kVERSION_SCRIPT 282 +#define ADD_OP 283 +#define MUL_OP 284 + + + + +#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED +typedef union YYSTYPE +{ + +/* Line 214 of yacc.c */ +#line 71 "ldscript.y" + + uintmax_t num; + enum expression_tag op; + char *str; + struct expression *expr; + struct input_section_name *sectionname; + struct filemask_section_name *filemask_section_name; + struct input_rule *input_rule; + struct output_rule *output_rule; + struct assignment *assignment; + struct filename_list *filename_list; + struct version *version; + struct id_list *id_list; + + + +/* Line 214 of yacc.c */ +#line 262 "ldscript.c" +} YYSTYPE; +# define YYSTYPE_IS_TRIVIAL 1 +# define yystype YYSTYPE /* obsolescent; will be withdrawn */ +# define YYSTYPE_IS_DECLARED 1 +#endif + + +/* Copy the second part of user declarations. */ + + +/* Line 264 of yacc.c */ +#line 274 "ldscript.c" + +#ifdef short +# undef short +#endif + +#ifdef YYTYPE_UINT8 +typedef YYTYPE_UINT8 yytype_uint8; +#else +typedef unsigned char yytype_uint8; +#endif + +#ifdef YYTYPE_INT8 +typedef YYTYPE_INT8 yytype_int8; +#elif (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +typedef signed char yytype_int8; +#else +typedef short int yytype_int8; +#endif + +#ifdef YYTYPE_UINT16 +typedef YYTYPE_UINT16 yytype_uint16; +#else +typedef unsigned short int yytype_uint16; +#endif + +#ifdef YYTYPE_INT16 +typedef YYTYPE_INT16 yytype_int16; +#else +typedef short int yytype_int16; +#endif + +#ifndef YYSIZE_T +# ifdef __SIZE_TYPE__ +# define YYSIZE_T __SIZE_TYPE__ +# elif defined size_t +# define YYSIZE_T size_t +# elif ! defined YYSIZE_T && (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +# include <stddef.h> /* INFRINGES ON USER NAME SPACE */ +# define YYSIZE_T size_t +# else +# define YYSIZE_T unsigned int +# endif +#endif + +#define YYSIZE_MAXIMUM ((YYSIZE_T) -1) + +#ifndef YY_ +# if defined YYENABLE_NLS && YYENABLE_NLS +# if ENABLE_NLS +# include <libintl.h> /* INFRINGES ON USER NAME SPACE */ +# define YY_(msgid) dgettext ("bison-runtime", msgid) +# endif +# endif +# ifndef YY_ +# define YY_(msgid) msgid +# endif +#endif + +/* Suppress unused-variable warnings by "using" E. */ +#if ! defined lint || defined __GNUC__ +# define YYUSE(e) ((void) (e)) +#else +# define YYUSE(e) /* empty */ +#endif + +/* Identity function, used to suppress warnings about constant conditions. */ +#ifndef lint +# define YYID(n) (n) +#else +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +static int +YYID (int yyi) +#else +static int +YYID (yyi) + int yyi; +#endif +{ + return yyi; +} +#endif + +#if ! defined yyoverflow || YYERROR_VERBOSE + +/* The parser invokes alloca or malloc; define the necessary symbols. */ + +# ifdef YYSTACK_USE_ALLOCA +# if YYSTACK_USE_ALLOCA +# ifdef __GNUC__ +# define YYSTACK_ALLOC __builtin_alloca +# elif defined __BUILTIN_VA_ARG_INCR +# include <alloca.h> /* INFRINGES ON USER NAME SPACE */ +# elif defined _AIX +# define YYSTACK_ALLOC __alloca +# elif defined _MSC_VER +# include <malloc.h> /* INFRINGES ON USER NAME SPACE */ +# define alloca _alloca +# else +# define YYSTACK_ALLOC alloca +# if ! defined _ALLOCA_H && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +# include <stdlib.h> /* INFRINGES ON USER NAME SPACE */ +# ifndef _STDLIB_H +# define _STDLIB_H 1 +# endif +# endif +# endif +# endif +# endif + +# ifdef YYSTACK_ALLOC + /* Pacify GCC's `empty if-body' warning. */ +# define YYSTACK_FREE(Ptr) do { /* empty */; } while (YYID (0)) +# ifndef YYSTACK_ALLOC_MAXIMUM + /* The OS might guarantee only one guard page at the bottom of the stack, + and a page size can be as small as 4096 bytes. So we cannot safely + invoke alloca (N) if N exceeds 4096. Use a slightly smaller number + to allow for a few compiler-allocated temporary stack slots. */ +# define YYSTACK_ALLOC_MAXIMUM 4032 /* reasonable circa 2006 */ +# endif +# else +# define YYSTACK_ALLOC YYMALLOC +# define YYSTACK_FREE YYFREE +# ifndef YYSTACK_ALLOC_MAXIMUM +# define YYSTACK_ALLOC_MAXIMUM YYSIZE_MAXIMUM +# endif +# if (defined __cplusplus && ! defined _STDLIB_H \ + && ! ((defined YYMALLOC || defined malloc) \ + && (defined YYFREE || defined free))) +# include <stdlib.h> /* INFRINGES ON USER NAME SPACE */ +# ifndef _STDLIB_H +# define _STDLIB_H 1 +# endif +# endif +# ifndef YYMALLOC +# define YYMALLOC malloc +# if ! defined malloc && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +void *malloc (YYSIZE_T); /* INFRINGES ON USER NAME SPACE */ +# endif +# endif +# ifndef YYFREE +# define YYFREE free +# if ! defined free && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +void free (void *); /* INFRINGES ON USER NAME SPACE */ +# endif +# endif +# endif +#endif /* ! defined yyoverflow || YYERROR_VERBOSE */ + + +#if (! defined yyoverflow \ + && (! defined __cplusplus \ + || (defined YYSTYPE_IS_TRIVIAL && YYSTYPE_IS_TRIVIAL))) + +/* A type that is properly aligned for any stack member. */ +union yyalloc +{ + yytype_int16 yyss_alloc; + YYSTYPE yyvs_alloc; +}; + +/* The size of the maximum gap between one aligned stack and the next. */ +# define YYSTACK_GAP_MAXIMUM (sizeof (union yyalloc) - 1) + +/* The size of an array large to enough to hold all stacks, each with + N elements. */ +# define YYSTACK_BYTES(N) \ + ((N) * (sizeof (yytype_int16) + sizeof (YYSTYPE)) \ + + YYSTACK_GAP_MAXIMUM) + +/* Copy COUNT objects from FROM to TO. The source and destination do + not overlap. */ +# ifndef YYCOPY +# if defined __GNUC__ && 1 < __GNUC__ +# define YYCOPY(To, From, Count) \ + __builtin_memcpy (To, From, (Count) * sizeof (*(From))) +# else +# define YYCOPY(To, From, Count) \ + do \ + { \ + YYSIZE_T yyi; \ + for (yyi = 0; yyi < (Count); yyi++) \ + (To)[yyi] = (From)[yyi]; \ + } \ + while (YYID (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_alloc, Stack) \ + do \ + { \ + YYSIZE_T yynewbytes; \ + YYCOPY (&yyptr->Stack_alloc, Stack, yysize); \ + Stack = &yyptr->Stack_alloc; \ + yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \ + yyptr += yynewbytes / sizeof (*yyptr); \ + } \ + while (YYID (0)) + +#endif + +/* YYFINAL -- State number of the termination state. */ +#define YYFINAL 32 +/* YYLAST -- Last index in YYTABLE. */ +#define YYLAST 226 + +/* YYNTOKENS -- Number of terminals. */ +#define YYNTOKENS 40 +/* YYNNTS -- Number of nonterminals. */ +#define YYNNTS 23 +/* YYNRULES -- Number of rules. */ +#define YYNRULES 66 +/* YYNRULES -- Number of states. */ +#define YYNSTATES 159 + +/* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX. */ +#define YYUNDEFTOK 2 +#define YYMAXUTOK 284 + +#define YYTRANSLATE(YYX) \ + ((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK) + +/* YYTRANSLATE[YYLEX] -- Bison symbol number corresponding to YYLEX. */ +static const yytype_uint8 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, 2, 2, 2, 29, 2, + 33, 34, 31, 2, 39, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 35, + 2, 38, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 36, 28, 37, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 1, 2, 3, 4, + 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, + 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, + 25, 26, 27, 30, 32 +}; + +#if YYDEBUG +/* YYPRHS[YYN] -- Index of the first RHS symbol of rule number YYN in + YYRHS. */ +static const yytype_uint8 yyprhs[] = +{ + 0, 0, 3, 5, 8, 11, 13, 19, 25, 31, + 37, 43, 49, 54, 59, 64, 69, 74, 77, 79, + 82, 87, 90, 94, 101, 104, 106, 108, 113, 116, + 122, 124, 129, 134, 135, 140, 144, 148, 152, 156, + 160, 164, 166, 168, 170, 172, 176, 178, 180, 181, + 186, 191, 193, 196, 198, 203, 209, 216, 219, 221, + 224, 227, 231, 234, 236, 238, 240 +}; + +/* YYRHS -- A `-1'-separated list of the rules' RHS. */ +static const yytype_int8 yyrhs[] = +{ + 41, 0, -1, 42, -1, 27, 56, -1, 42, 43, + -1, 43, -1, 6, 33, 11, 34, 35, -1, 22, + 33, 61, 34, 35, -1, 20, 33, 18, 34, 35, + -1, 13, 33, 61, 34, 35, -1, 23, 16, 36, + 44, 37, -1, 23, 1, 36, 44, 37, -1, 10, + 33, 53, 34, -1, 12, 33, 53, 34, -1, 5, + 33, 53, 34, -1, 26, 36, 56, 37, -1, 19, + 33, 61, 34, -1, 44, 45, -1, 45, -1, 46, + 35, -1, 11, 36, 47, 37, -1, 11, 35, -1, + 11, 38, 52, -1, 21, 33, 11, 38, 52, 34, + -1, 47, 48, -1, 48, -1, 49, -1, 14, 33, + 49, 34, -1, 46, 35, -1, 62, 33, 51, 50, + 34, -1, 11, -1, 25, 33, 11, 34, -1, 7, + 33, 61, 34, -1, -1, 4, 33, 52, 34, -1, + 33, 52, 34, -1, 52, 31, 52, -1, 52, 17, + 52, -1, 52, 3, 52, -1, 52, 29, 52, -1, + 52, 28, 52, -1, 18, -1, 11, -1, 24, -1, + 20, -1, 53, 54, 55, -1, 55, -1, 39, -1, + -1, 10, 33, 53, 34, -1, 5, 33, 53, 34, + -1, 61, -1, 56, 57, -1, 57, -1, 36, 58, + 37, 35, -1, 61, 36, 58, 37, 35, -1, 61, + 36, 58, 37, 61, 35, -1, 58, 59, -1, 59, + -1, 9, 60, -1, 15, 60, -1, 60, 62, 35, + -1, 62, 35, -1, 8, -1, 11, -1, 61, -1, + 31, -1 +}; + +/* YYRLINE[YYN] -- source line where rule number YYN was defined. */ +static const yytype_uint16 yyrline[] = +{ + 0, 143, 143, 144, 148, 149, 152, 157, 161, 166, + 172, 176, 182, 193, 195, 197, 199, 203, 208, 212, + 217, 229, 253, 255, 259, 264, 268, 273, 280, 287, + 298, 300, 304, 307, 310, 315, 317, 323, 329, 335, + 341, 347, 352, 357, 359, 363, 368, 372, 373, 376, + 387, 389, 394, 399, 403, 409, 415, 424, 426, 430, + 432, 437, 443, 447, 449, 453, 455 +}; +#endif + +#if YYDEBUG || YYERROR_VERBOSE || YYTOKEN_TABLE +/* YYTNAME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM. + First, the terminals, then, starting at YYNTOKENS, nonterminals. */ +static const char *const yytname[] = +{ + "$end", "error", "$undefined", "kADD_OP", "kALIGN", "kAS_NEEDED", + "kENTRY", "kEXCLUDE_FILE", "kFILENAME", "kGLOBAL", "kGROUP", "kID", + "kINPUT", "kINTERP", "kKEEP", "kLOCAL", "kMODE", "kMUL_OP", "kNUM", + "kOUTPUT_FORMAT", "kPAGESIZE", "kPROVIDE", "kSEARCH_DIR", "kSEGMENT", + "kSIZEOF_HEADERS", "kSORT", "kVERSION", "kVERSION_SCRIPT", "'|'", "'&'", + "ADD_OP", "'*'", "MUL_OP", "'('", "')'", "';'", "'{'", "'}'", "'='", + "','", "$accept", "script_or_version", "file", "content", + "outputsections", "outputsection", "assignment", "inputsections", + "inputsection", "sectionname", "sort_opt_name", "exclude_opt", "expr", + "filename_id_list", "comma_opt", "filename_id_listelem", "versionlist", + "version", "version_stmt_list", "version_stmt", "filename_id_star_list", + "filename_id", "filename_id_star", 0 +}; +#endif + +# ifdef YYPRINT +/* YYTOKNUM[YYLEX-NUM] -- Internal token number corresponding to + token YYLEX-NUM. */ +static const yytype_uint16 yytoknum[] = +{ + 0, 256, 257, 258, 259, 260, 261, 262, 263, 264, + 265, 266, 267, 268, 269, 270, 271, 272, 273, 274, + 275, 276, 277, 278, 279, 280, 281, 282, 124, 38, + 283, 42, 284, 40, 41, 59, 123, 125, 61, 44 +}; +# endif + +/* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */ +static const yytype_uint8 yyr1[] = +{ + 0, 40, 41, 41, 42, 42, 43, 43, 43, 43, + 43, 43, 43, 43, 43, 43, 43, 44, 44, 45, + 45, 45, 46, 46, 47, 47, 48, 48, 48, 49, + 50, 50, 51, 51, 52, 52, 52, 52, 52, 52, + 52, 52, 52, 52, 52, 53, 53, 54, 54, 55, + 55, 55, 56, 56, 57, 57, 57, 58, 58, 59, + 59, 60, 60, 61, 61, 62, 62 +}; + +/* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN. */ +static const yytype_uint8 yyr2[] = +{ + 0, 2, 1, 2, 2, 1, 5, 5, 5, 5, + 5, 5, 4, 4, 4, 4, 4, 2, 1, 2, + 4, 2, 3, 6, 2, 1, 1, 4, 2, 5, + 1, 4, 4, 0, 4, 3, 3, 3, 3, 3, + 3, 1, 1, 1, 1, 3, 1, 1, 0, 4, + 4, 1, 2, 1, 4, 5, 6, 2, 1, 2, + 2, 3, 2, 1, 1, 1, 1 +}; + +/* YYDEFACT[STATE-NAME] -- Default rule to reduce with in state + STATE-NUM when YYTABLE doesn't specify something else to do. Zero + means the default is an error. */ +static const yytype_uint8 yydefact[] = +{ + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 2, 5, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 63, 64, 0, 3, + 53, 0, 1, 4, 0, 0, 48, 46, 51, 0, + 48, 48, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 58, 52, 0, 0, 0, 14, 47, 0, + 0, 12, 13, 0, 16, 0, 0, 0, 0, 0, + 18, 0, 0, 15, 66, 59, 65, 0, 60, 0, + 57, 0, 48, 48, 45, 6, 9, 8, 7, 21, + 0, 0, 0, 11, 17, 19, 10, 0, 62, 54, + 0, 50, 49, 64, 0, 0, 0, 25, 26, 0, + 0, 42, 41, 44, 43, 0, 22, 0, 61, 55, + 0, 0, 28, 20, 24, 33, 0, 0, 0, 0, + 0, 0, 0, 0, 56, 0, 0, 0, 0, 35, + 38, 37, 40, 39, 36, 0, 27, 0, 30, 0, + 0, 34, 23, 0, 0, 29, 32, 0, 31 +}; + +/* YYDEFGOTO[NTERM-NUM]. */ +static const yytype_int16 yydefgoto[] = +{ + -1, 12, 13, 14, 69, 70, 71, 106, 107, 108, + 150, 137, 116, 36, 59, 37, 29, 30, 51, 52, + 75, 76, 109 +}; + +/* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing + STATE-NUM. */ +#define YYPACT_NINF -86 +static const yytype_int16 yypact[] = +{ + 111, -18, -14, 23, 45, 70, 75, 85, 92, 97, + 91, 19, 128, 134, -86, 162, 96, 162, 162, 5, + 5, 123, 5, 93, 99, 19, -86, -86, 117, 19, + -86, 115, -86, -86, 125, 144, 71, -86, -86, 145, + 116, 135, 147, 148, 149, 150, 101, 101, 14, 83, + 83, 55, -86, -86, 117, 162, 162, -86, -86, 162, + 133, -86, -86, 143, -86, 151, 152, 107, 155, 63, + -86, 154, 74, -86, -86, 83, -86, 156, 83, 157, + -86, 56, 137, 141, -86, -86, -86, -86, -86, -86, + 88, 48, 174, -86, -86, -86, -86, 158, -86, -86, + 69, -86, -86, 159, 161, 160, 12, -86, -86, 163, + 165, -86, -86, -86, -86, 48, 59, 164, -86, -86, + 166, 83, -86, -86, -86, 183, 48, 0, 48, 48, + 48, 48, 48, 48, -86, 169, 167, 90, 7, -86, + 59, 59, 44, 66, 103, 29, -86, 5, -86, 171, + 172, -86, -86, 173, 188, -86, -86, 175, -86 +}; + +/* YYPGOTO[NTERM-NUM]. */ +static const yytype_int16 yypgoto[] = +{ + -86, -86, -86, 192, 168, 80, -85, -86, 102, 89, + -86, -86, 33, -16, -86, 153, 186, 38, 170, -39, + 176, -11, 4 +}; + +/* YYTABLE[YYPACT[STATE-NUM]]. What to do in state STATE-NUM. If + positive, shift that token. If negative, reduce the rule which + number is the opposite. If zero, do what YYDEFACT says. + If YYTABLE_NINF, syntax error. */ +#define YYTABLE_NINF -1 +static const yytype_uint8 yytable[] = +{ + 31, 40, 41, 128, 38, 105, 38, 38, 42, 43, + 128, 45, 80, 26, 31, 15, 27, 129, 31, 16, + 26, 105, 26, 103, 129, 27, 104, 26, 130, 131, + 27, 132, 128, 68, 139, 130, 131, 31, 132, 82, + 83, 151, 80, 74, 38, 38, 129, 128, 38, 123, + 28, 73, 110, 77, 77, 28, 17, 130, 131, 111, + 132, 129, 128, 152, 49, 49, 112, 53, 113, 128, + 50, 50, 114, 131, 67, 132, 129, 26, 18, 97, + 27, 115, 97, 129, 68, 67, 53, 130, 131, 120, + 132, 26, 79, 100, 27, 68, 26, 132, 23, 103, + 93, 148, 104, 19, 119, 57, 128, 39, 20, 68, + 58, 96, 67, 24, 74, 149, 1, 2, 21, 74, + 129, 3, 68, 4, 5, 22, 49, 25, 32, 46, + 6, 7, 50, 8, 9, 47, 153, 10, 11, 1, + 2, 44, 89, 90, 3, 91, 4, 5, 127, 94, + 61, 54, 94, 6, 7, 58, 8, 9, 55, 138, + 10, 140, 141, 142, 143, 144, 145, 34, 85, 62, + 26, 101, 35, 27, 58, 102, 58, 56, 86, 60, + 58, 63, 64, 65, 66, 117, 87, 88, 92, 95, + 136, 98, 99, 118, 121, 122, 125, 91, 126, 157, + 147, 134, 133, 146, 154, 33, 155, 156, 124, 158, + 135, 48, 84, 0, 0, 72, 0, 0, 0, 0, + 0, 0, 0, 0, 81, 0, 78 +}; + +static const yytype_int16 yycheck[] = +{ + 11, 17, 18, 3, 15, 90, 17, 18, 19, 20, + 3, 22, 51, 8, 25, 33, 11, 17, 29, 33, + 8, 106, 8, 11, 17, 11, 14, 8, 28, 29, + 11, 31, 3, 21, 34, 28, 29, 48, 31, 55, + 56, 34, 81, 31, 55, 56, 17, 3, 59, 37, + 36, 37, 4, 49, 50, 36, 33, 28, 29, 11, + 31, 17, 3, 34, 9, 9, 18, 29, 20, 3, + 15, 15, 24, 29, 11, 31, 17, 8, 33, 75, + 11, 33, 78, 17, 21, 11, 48, 28, 29, 100, + 31, 8, 37, 37, 11, 21, 8, 31, 1, 11, + 37, 11, 14, 33, 35, 34, 3, 11, 33, 21, + 39, 37, 11, 16, 31, 25, 5, 6, 33, 31, + 17, 10, 21, 12, 13, 33, 9, 36, 0, 36, + 19, 20, 15, 22, 23, 36, 147, 26, 27, 5, + 6, 18, 35, 36, 10, 38, 12, 13, 115, 69, + 34, 36, 72, 19, 20, 39, 22, 23, 33, 126, + 26, 128, 129, 130, 131, 132, 133, 5, 35, 34, + 8, 34, 10, 11, 39, 34, 39, 33, 35, 34, + 39, 34, 34, 34, 34, 11, 35, 35, 33, 35, + 7, 35, 35, 35, 33, 35, 33, 38, 33, 11, + 33, 35, 38, 34, 33, 13, 34, 34, 106, 34, + 121, 25, 59, -1, -1, 47, -1, -1, -1, -1, + -1, -1, -1, -1, 54, -1, 50 +}; + +/* YYSTOS[STATE-NUM] -- The (internal number of the) accessing + symbol of state STATE-NUM. */ +static const yytype_uint8 yystos[] = +{ + 0, 5, 6, 10, 12, 13, 19, 20, 22, 23, + 26, 27, 41, 42, 43, 33, 33, 33, 33, 33, + 33, 33, 33, 1, 16, 36, 8, 11, 36, 56, + 57, 61, 0, 43, 5, 10, 53, 55, 61, 11, + 53, 53, 61, 61, 18, 61, 36, 36, 56, 9, + 15, 58, 59, 57, 36, 33, 33, 34, 39, 54, + 34, 34, 34, 34, 34, 34, 34, 11, 21, 44, + 45, 46, 44, 37, 31, 60, 61, 62, 60, 37, + 59, 58, 53, 53, 55, 35, 35, 35, 35, 35, + 36, 38, 33, 37, 45, 35, 37, 62, 35, 35, + 37, 34, 34, 11, 14, 46, 47, 48, 49, 62, + 4, 11, 18, 20, 24, 33, 52, 11, 35, 35, + 61, 33, 35, 37, 48, 33, 33, 52, 3, 17, + 28, 29, 31, 38, 35, 49, 7, 51, 52, 34, + 52, 52, 52, 52, 52, 52, 34, 33, 11, 25, + 50, 34, 34, 61, 33, 34, 34, 11, 34 +}; + +#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 yyerrorlab + + +/* 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. However, + YYFAIL appears to be in use. Nevertheless, it is formally deprecated + in Bison 2.4.2's NEWS entry, where a plan to phase it out is + discussed. */ + +#define YYFAIL goto yyerrlab +#if defined YYFAIL + /* This is here to suppress warnings from the GCC cpp's + -Wunused-macros. Normally we don't worry about that warning, but + some users do, and we want to make it easy for users to remove + YYFAIL uses, which will produce warnings from Bison 2.5. */ +#endif + +#define YYRECOVERING() (!!yyerrstatus) + +#define YYBACKUP(Token, Value) \ +do \ + if (yychar == YYEMPTY && yylen == 1) \ + { \ + yychar = (Token); \ + yylval = (Value); \ + yytoken = YYTRANSLATE (yychar); \ + YYPOPSTACK (1); \ + goto yybackup; \ + } \ + else \ + { \ + yyerror (YY_("syntax error: cannot back up")); \ + YYERROR; \ + } \ +while (YYID (0)) + + +#define YYTERROR 1 +#define YYERRCODE 256 + + +/* YYLLOC_DEFAULT -- Set CURRENT to span from RHS[1] to RHS[N]. + If N is 0, then set CURRENT to the empty location which ends + the previous symbol: RHS[0] (always defined). */ + +#define YYRHSLOC(Rhs, K) ((Rhs)[K]) +#ifndef YYLLOC_DEFAULT +# define YYLLOC_DEFAULT(Current, Rhs, N) \ + do \ + if (YYID (N)) \ + { \ + (Current).first_line = YYRHSLOC (Rhs, 1).first_line; \ + (Current).first_column = YYRHSLOC (Rhs, 1).first_column; \ + (Current).last_line = YYRHSLOC (Rhs, N).last_line; \ + (Current).last_column = YYRHSLOC (Rhs, N).last_column; \ + } \ + else \ + { \ + (Current).first_line = (Current).last_line = \ + YYRHSLOC (Rhs, 0).last_line; \ + (Current).first_column = (Current).last_column = \ + YYRHSLOC (Rhs, 0).last_column; \ + } \ + while (YYID (0)) +#endif + + +/* YY_LOCATION_PRINT -- Print the location on the stream. + This macro was not mandated originally: define only if we know + we won't break user code: when these are the locations we know. */ + +#ifndef YY_LOCATION_PRINT +# if defined YYLTYPE_IS_TRIVIAL && YYLTYPE_IS_TRIVIAL +# define YY_LOCATION_PRINT(File, Loc) \ + fprintf (File, "%d.%d-%d.%d", \ + (Loc).first_line, (Loc).first_column, \ + (Loc).last_line, (Loc).last_column) +# else +# define YY_LOCATION_PRINT(File, Loc) ((void) 0) +# endif +#endif + + +/* YYLEX -- calling `yylex' with the right arguments. */ + +#ifdef YYLEX_PARAM +# define YYLEX yylex (YYLEX_PARAM) +#else +# define YYLEX yylex () +#endif + +/* 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 (YYID (0)) + +# define YY_SYMBOL_PRINT(Title, Type, Value, Location) \ +do { \ + if (yydebug) \ + { \ + YYFPRINTF (stderr, "%s ", Title); \ + yy_symbol_print (stderr, \ + Type, Value); \ + YYFPRINTF (stderr, "\n"); \ + } \ +} while (YYID (0)) + + +/*--------------------------------. +| Print this symbol on YYOUTPUT. | +`--------------------------------*/ + +/*ARGSUSED*/ +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +static void +yy_symbol_value_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep) +#else +static void +yy_symbol_value_print (yyoutput, yytype, yyvaluep) + FILE *yyoutput; + int yytype; + YYSTYPE const * const yyvaluep; +#endif +{ + if (!yyvaluep) + return; +# ifdef YYPRINT + if (yytype < YYNTOKENS) + YYPRINT (yyoutput, yytoknum[yytype], *yyvaluep); +# else + YYUSE (yyoutput); +# endif + switch (yytype) + { + default: + break; + } +} + + +/*--------------------------------. +| Print this symbol on YYOUTPUT. | +`--------------------------------*/ + +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +static void +yy_symbol_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep) +#else +static void +yy_symbol_print (yyoutput, yytype, yyvaluep) + FILE *yyoutput; + int yytype; + YYSTYPE const * const yyvaluep; +#endif +{ + if (yytype < YYNTOKENS) + YYFPRINTF (yyoutput, "token %s (", yytname[yytype]); + else + YYFPRINTF (yyoutput, "nterm %s (", yytname[yytype]); + + yy_symbol_value_print (yyoutput, yytype, yyvaluep); + YYFPRINTF (yyoutput, ")"); +} + +/*------------------------------------------------------------------. +| yy_stack_print -- Print the state stack from its BOTTOM up to its | +| TOP (included). | +`------------------------------------------------------------------*/ + +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +static void +yy_stack_print (yytype_int16 *yybottom, yytype_int16 *yytop) +#else +static void +yy_stack_print (yybottom, yytop) + yytype_int16 *yybottom; + yytype_int16 *yytop; +#endif +{ + YYFPRINTF (stderr, "Stack now"); + for (; yybottom <= yytop; yybottom++) + { + int yybot = *yybottom; + YYFPRINTF (stderr, " %d", yybot); + } + YYFPRINTF (stderr, "\n"); +} + +# define YY_STACK_PRINT(Bottom, Top) \ +do { \ + if (yydebug) \ + yy_stack_print ((Bottom), (Top)); \ +} while (YYID (0)) + + +/*------------------------------------------------. +| Report that the YYRULE is going to be reduced. | +`------------------------------------------------*/ + +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +static void +yy_reduce_print (YYSTYPE *yyvsp, int yyrule) +#else +static void +yy_reduce_print (yyvsp, yyrule) + YYSTYPE *yyvsp; + int yyrule; +#endif +{ + int yynrhs = yyr2[yyrule]; + int yyi; + unsigned long int yylno = yyrline[yyrule]; + YYFPRINTF (stderr, "Reducing stack by rule %d (line %lu):\n", + yyrule - 1, yylno); + /* The symbols being reduced. */ + for (yyi = 0; yyi < yynrhs; yyi++) + { + YYFPRINTF (stderr, " $%d = ", yyi + 1); + yy_symbol_print (stderr, yyrhs[yyprhs[yyrule] + yyi], + &(yyvsp[(yyi + 1) - (yynrhs)]) + ); + YYFPRINTF (stderr, "\n"); + } +} + +# define YY_REDUCE_PRINT(Rule) \ +do { \ + if (yydebug) \ + yy_reduce_print (yyvsp, Rule); \ +} while (YYID (0)) + +/* Nonzero means print parse trace. It is left uninitialized so that + multiple parsers can coexist. */ +int yydebug; +#else /* !YYDEBUG */ +# define YYDPRINTF(Args) +# define YY_SYMBOL_PRINT(Title, Type, Value, Location) +# define YY_STACK_PRINT(Bottom, Top) +# define YY_REDUCE_PRINT(Rule) +#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 + YYSTACK_ALLOC_MAXIMUM < YYSTACK_BYTES (YYMAXDEPTH) + evaluated with infinite-precision integer arithmetic. */ + +#ifndef YYMAXDEPTH +# define YYMAXDEPTH 10000 +#endif + + + +#if YYERROR_VERBOSE + +# ifndef yystrlen +# if defined __GLIBC__ && defined _STRING_H +# define yystrlen strlen +# else +/* Return the length of YYSTR. */ +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +static YYSIZE_T +yystrlen (const char *yystr) +#else +static YYSIZE_T +yystrlen (yystr) + const char *yystr; +#endif +{ + YYSIZE_T yylen; + for (yylen = 0; yystr[yylen]; yylen++) + continue; + return yylen; +} +# 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. */ +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +static char * +yystpcpy (char *yydest, const char *yysrc) +#else +static char * +yystpcpy (yydest, yysrc) + char *yydest; + const char *yysrc; +#endif +{ + char *yyd = yydest; + const char *yys = yysrc; + + while ((*yyd++ = *yys++) != '\0') + continue; + + return yyd - 1; +} +# endif +# endif + +# ifndef yytnamerr +/* Copy to YYRES the contents of YYSTR after stripping away unnecessary + quotes and backslashes, so that it's suitable for yyerror. The + heuristic is that double-quoting is unnecessary unless the string + contains an apostrophe, a comma, or backslash (other than + backslash-backslash). YYSTR is taken from yytname. If YYRES is + null, do not copy; instead, return the length of what the result + would have been. */ +static YYSIZE_T +yytnamerr (char *yyres, const char *yystr) +{ + if (*yystr == '"') + { + YYSIZE_T yyn = 0; + char const *yyp = yystr; + + for (;;) + switch (*++yyp) + { + case '\'': + case ',': + goto do_not_strip_quotes; + + case '\\': + if (*++yyp != '\\') + goto do_not_strip_quotes; + /* Fall through. */ + default: + if (yyres) + yyres[yyn] = *yyp; + yyn++; + break; + + case '"': + if (yyres) + yyres[yyn] = '\0'; + return yyn; + } + do_not_strip_quotes: ; + } + + if (! yyres) + return yystrlen (yystr); + + return yystpcpy (yyres, yystr) - yyres; +} +# endif + +/* Copy into YYRESULT an error message about the unexpected token + YYCHAR while in state YYSTATE. Return the number of bytes copied, + including the terminating null byte. If YYRESULT is null, do not + copy anything; just return the number of bytes that would be + copied. As a special case, return 0 if an ordinary "syntax error" + message will do. Return YYSIZE_MAXIMUM if overflow occurs during + size calculation. */ +static YYSIZE_T +yysyntax_error (char *yyresult, int yystate, int yychar) +{ + int yyn = yypact[yystate]; + + if (! (YYPACT_NINF < yyn && yyn <= YYLAST)) + return 0; + else + { + int yytype = YYTRANSLATE (yychar); + YYSIZE_T yysize0 = yytnamerr (0, yytname[yytype]); + YYSIZE_T yysize = yysize0; + YYSIZE_T yysize1; + int yysize_overflow = 0; + enum { YYERROR_VERBOSE_ARGS_MAXIMUM = 5 }; + char const *yyarg[YYERROR_VERBOSE_ARGS_MAXIMUM]; + int yyx; + +# if 0 + /* This is so xgettext sees the translatable formats that are + constructed on the fly. */ + YY_("syntax error, unexpected %s"); + YY_("syntax error, unexpected %s, expecting %s"); + YY_("syntax error, unexpected %s, expecting %s or %s"); + YY_("syntax error, unexpected %s, expecting %s or %s or %s"); + YY_("syntax error, unexpected %s, expecting %s or %s or %s or %s"); +# endif + char *yyfmt; + char const *yyf; + static char const yyunexpected[] = "syntax error, unexpected %s"; + static char const yyexpecting[] = ", expecting %s"; + static char const yyor[] = " or %s"; + char yyformat[sizeof yyunexpected + + sizeof yyexpecting - 1 + + ((YYERROR_VERBOSE_ARGS_MAXIMUM - 2) + * (sizeof yyor - 1))]; + char const *yyprefix = yyexpecting; + + /* Start YYX at -YYN if negative to avoid negative indexes in + YYCHECK. */ + int yyxbegin = yyn < 0 ? -yyn : 0; + + /* Stay within bounds of both yycheck and yytname. */ + int yychecklim = YYLAST - yyn + 1; + int yyxend = yychecklim < YYNTOKENS ? yychecklim : YYNTOKENS; + int yycount = 1; + + yyarg[0] = yytname[yytype]; + yyfmt = yystpcpy (yyformat, yyunexpected); + + for (yyx = yyxbegin; yyx < yyxend; ++yyx) + if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR) + { + if (yycount == YYERROR_VERBOSE_ARGS_MAXIMUM) + { + yycount = 1; + yysize = yysize0; + yyformat[sizeof yyunexpected - 1] = '\0'; + break; + } + yyarg[yycount++] = yytname[yyx]; + yysize1 = yysize + yytnamerr (0, yytname[yyx]); + yysize_overflow |= (yysize1 < yysize); + yysize = yysize1; + yyfmt = yystpcpy (yyfmt, yyprefix); + yyprefix = yyor; + } + + yyf = YY_(yyformat); + yysize1 = yysize + yystrlen (yyf); + yysize_overflow |= (yysize1 < yysize); + yysize = yysize1; + + if (yysize_overflow) + return YYSIZE_MAXIMUM; + + if (yyresult) + { + /* Avoid sprintf, as that infringes on the user's name space. + Don't have undefined behavior even if the translation + produced a string with the wrong number of "%s"s. */ + char *yyp = yyresult; + int yyi = 0; + while ((*yyp = *yyf) != '\0') + { + if (*yyp == '%' && yyf[1] == 's' && yyi < yycount) + { + yyp += yytnamerr (yyp, yyarg[yyi++]); + yyf += 2; + } + else + { + yyp++; + yyf++; + } + } + } + return yysize; + } +} +#endif /* YYERROR_VERBOSE */ + + +/*-----------------------------------------------. +| Release the memory associated to this symbol. | +`-----------------------------------------------*/ + +/*ARGSUSED*/ +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +static void +yydestruct (const char *yymsg, int yytype, YYSTYPE *yyvaluep) +#else +static void +yydestruct (yymsg, yytype, yyvaluep) + const char *yymsg; + int yytype; + YYSTYPE *yyvaluep; +#endif +{ + YYUSE (yyvaluep); + + if (!yymsg) + yymsg = "Deleting"; + YY_SYMBOL_PRINT (yymsg, yytype, yyvaluep, yylocationp); + + switch (yytype) + { + + default: + break; + } +} + +/* Prevent warnings from -Wmissing-prototypes. */ +#ifdef YYPARSE_PARAM +#if defined __STDC__ || defined __cplusplus +int yyparse (void *YYPARSE_PARAM); +#else +int yyparse (); +#endif +#else /* ! YYPARSE_PARAM */ +#if defined __STDC__ || defined __cplusplus +int yyparse (void); +#else +int yyparse (); +#endif +#endif /* ! YYPARSE_PARAM */ + + +/* The lookahead symbol. */ +int yychar; + +/* The semantic value of the lookahead symbol. */ +YYSTYPE yylval; + +/* Number of syntax errors so far. */ +int yynerrs; + + + +/*-------------------------. +| yyparse or yypush_parse. | +`-------------------------*/ + +#ifdef YYPARSE_PARAM +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +int +yyparse (void *YYPARSE_PARAM) +#else +int +yyparse (YYPARSE_PARAM) + void *YYPARSE_PARAM; +#endif +#else /* ! YYPARSE_PARAM */ +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +int +yyparse (void) +#else +int +yyparse () + +#endif +#endif +{ + + + int yystate; + /* Number of tokens to shift before error messages enabled. */ + int yyerrstatus; + + /* The stacks and their tools: + `yyss': related to states. + `yyvs': related to semantic values. + + Refer to the stacks thru separate pointers, to allow yyoverflow + to reallocate them elsewhere. */ + + /* The state stack. */ + yytype_int16 yyssa[YYINITDEPTH]; + yytype_int16 *yyss; + yytype_int16 *yyssp; + + /* The semantic value stack. */ + YYSTYPE yyvsa[YYINITDEPTH]; + YYSTYPE *yyvs; + YYSTYPE *yyvsp; + + YYSIZE_T yystacksize; + + int yyn; + int yyresult; + /* Lookahead token as an internal (translated) token number. */ + int yytoken; + /* The variables used to return semantic value and location from the + action routines. */ + YYSTYPE yyval; + +#if YYERROR_VERBOSE + /* Buffer for error messages, and its allocated size. */ + char yymsgbuf[128]; + char *yymsg = yymsgbuf; + YYSIZE_T yymsg_alloc = sizeof yymsgbuf; +#endif + +#define YYPOPSTACK(N) (yyvsp -= (N), yyssp -= (N)) + + /* The number of symbols on the RHS of the reduced rule. + Keep to zero when no symbol should be popped. */ + int yylen = 0; + + yytoken = 0; + yyss = yyssa; + yyvs = yyvsa; + yystacksize = YYINITDEPTH; + + 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; + + 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 (yyss + yystacksize - 1 <= yyssp) + { + /* 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; + yytype_int16 *yyss1 = yyss; + + /* Each stack pointer address is followed by the size of the + data in use in that stack, in bytes. This used to be a + conditional around just the two extra args, but that might + be undefined if yyoverflow is a macro. */ + yyoverflow (YY_("memory exhausted"), + &yyss1, yysize * sizeof (*yyssp), + &yyvs1, yysize * sizeof (*yyvsp), + &yystacksize); + + yyss = yyss1; + yyvs = yyvs1; + } +#else /* no yyoverflow */ +# ifndef YYSTACK_RELOCATE + goto yyexhaustedlab; +# else + /* Extend the stack our own way. */ + if (YYMAXDEPTH <= yystacksize) + goto yyexhaustedlab; + yystacksize *= 2; + if (YYMAXDEPTH < yystacksize) + yystacksize = YYMAXDEPTH; + + { + yytype_int16 *yyss1 = yyss; + union yyalloc *yyptr = + (union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize)); + if (! yyptr) + goto yyexhaustedlab; + YYSTACK_RELOCATE (yyss_alloc, yyss); + YYSTACK_RELOCATE (yyvs_alloc, yyvs); +# undef YYSTACK_RELOCATE + if (yyss1 != yyssa) + YYSTACK_FREE (yyss1); + } +# endif +#endif /* no yyoverflow */ + + yyssp = yyss + yysize - 1; + yyvsp = yyvs + yysize - 1; + + YYDPRINTF ((stderr, "Stack size increased to %lu\n", + (unsigned long int) yystacksize)); + + if (yyss + yystacksize - 1 <= yyssp) + YYABORT; + } + + YYDPRINTF ((stderr, "Entering state %d\n", yystate)); + + if (yystate == YYFINAL) + YYACCEPT; + + 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. */ + + /* First try to decide what to do without reference to lookahead token. */ + yyn = yypact[yystate]; + if (yyn == YYPACT_NINF) + goto yydefault; + + /* Not known => get a lookahead token if don't already have one. */ + + /* YYCHAR is either YYEMPTY or YYEOF or a valid lookahead symbol. */ + if (yychar == YYEMPTY) + { + YYDPRINTF ((stderr, "Reading a token: ")); + yychar = YYLEX; + } + + if (yychar <= YYEOF) + { + yychar = yytoken = YYEOF; + YYDPRINTF ((stderr, "Now at end of input.\n")); + } + else + { + yytoken = YYTRANSLATE (yychar); + YY_SYMBOL_PRINT ("Next token is", yytoken, &yylval, &yylloc); + } + + /* If the proper action on seeing token YYTOKEN is to reduce or to + detect an error, take that action. */ + yyn += yytoken; + if (yyn < 0 || YYLAST < yyn || yycheck[yyn] != yytoken) + goto yydefault; + yyn = yytable[yyn]; + if (yyn <= 0) + { + if (yyn == 0 || yyn == YYTABLE_NINF) + goto yyerrlab; + yyn = -yyn; + goto yyreduce; + } + + /* Count tokens shifted since error; after three, turn off error + status. */ + if (yyerrstatus) + yyerrstatus--; + + /* Shift the lookahead token. */ + YY_SYMBOL_PRINT ("Shifting", yytoken, &yylval, &yylloc); + + /* Discard the shifted token. */ + yychar = YYEMPTY; + + yystate = yyn; + *++yyvsp = yylval; + + 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 garbage. + 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]; + + + YY_REDUCE_PRINT (yyn); + switch (yyn) + { + case 3: + +/* Line 1464 of yacc.c */ +#line 145 "ldscript.y" + { add_versions ((yyvsp[(2) - (2)].version)); } + break; + + case 6: + +/* Line 1464 of yacc.c */ +#line 153 "ldscript.y" + { + if (likely (ld_state.entry == NULL)) + ld_state.entry = (yyvsp[(3) - (5)].str); + } + break; + + case 7: + +/* Line 1464 of yacc.c */ +#line 158 "ldscript.y" + { + ld_new_searchdir ((yyvsp[(3) - (5)].str)); + } + break; + + case 8: + +/* Line 1464 of yacc.c */ +#line 162 "ldscript.y" + { + if (likely (ld_state.pagesize == 0)) + ld_state.pagesize = (yyvsp[(3) - (5)].num); + } + break; + + case 9: + +/* Line 1464 of yacc.c */ +#line 167 "ldscript.y" + { + if (likely (ld_state.interp == NULL) + && ld_state.file_type != dso_file_type) + ld_state.interp = (yyvsp[(3) - (5)].str); + } + break; + + case 10: + +/* Line 1464 of yacc.c */ +#line 173 "ldscript.y" + { + new_segment ((yyvsp[(2) - (5)].num), (yyvsp[(4) - (5)].output_rule)); + } + break; + + case 11: + +/* Line 1464 of yacc.c */ +#line 177 "ldscript.y" + { + fputs_unlocked (gettext ("mode for segment invalid\n"), + stderr); + new_segment (0, (yyvsp[(4) - (5)].output_rule)); + } + break; + + case 12: + +/* Line 1464 of yacc.c */ +#line 183 "ldscript.y" + { + /* First little optimization. If there is only one + file in the group don't do anything. */ + if ((yyvsp[(3) - (4)].filename_list) != (yyvsp[(3) - (4)].filename_list)->next) + { + (yyvsp[(3) - (4)].filename_list)->next->group_start = 1; + (yyvsp[(3) - (4)].filename_list)->group_end = 1; + } + add_inputfiles ((yyvsp[(3) - (4)].filename_list)); + } + break; + + case 13: + +/* Line 1464 of yacc.c */ +#line 194 "ldscript.y" + { add_inputfiles ((yyvsp[(3) - (4)].filename_list)); } + break; + + case 14: + +/* Line 1464 of yacc.c */ +#line 196 "ldscript.y" + { add_inputfiles (mark_as_needed ((yyvsp[(3) - (4)].filename_list))); } + break; + + case 15: + +/* Line 1464 of yacc.c */ +#line 198 "ldscript.y" + { add_versions ((yyvsp[(3) - (4)].version)); } + break; + + case 16: + +/* Line 1464 of yacc.c */ +#line 200 "ldscript.y" + { /* XXX TODO */ } + break; + + case 17: + +/* Line 1464 of yacc.c */ +#line 204 "ldscript.y" + { + (yyvsp[(2) - (2)].output_rule)->next = (yyvsp[(1) - (2)].output_rule)->next; + (yyval.output_rule) = (yyvsp[(1) - (2)].output_rule)->next = (yyvsp[(2) - (2)].output_rule); + } + break; + + case 18: + +/* Line 1464 of yacc.c */ +#line 209 "ldscript.y" + { (yyval.output_rule) = (yyvsp[(1) - (1)].output_rule); } + break; + + case 19: + +/* Line 1464 of yacc.c */ +#line 213 "ldscript.y" + { + (yyval.output_rule) = new_output_rule (output_assignment); + (yyval.output_rule)->val.assignment = (yyvsp[(1) - (2)].assignment); + } + break; + + case 20: + +/* Line 1464 of yacc.c */ +#line 218 "ldscript.y" + { + (yyval.output_rule) = new_output_rule (output_section); + (yyval.output_rule)->val.section.name = (yyvsp[(1) - (4)].str); + (yyval.output_rule)->val.section.input = (yyvsp[(3) - (4)].input_rule)->next; + if (ld_state.strip == strip_debug + && ebl_debugscn_p (ld_state.ebl, (yyvsp[(1) - (4)].str))) + (yyval.output_rule)->val.section.ignored = true; + else + (yyval.output_rule)->val.section.ignored = false; + (yyvsp[(3) - (4)].input_rule)->next = NULL; + } + break; + + case 21: + +/* Line 1464 of yacc.c */ +#line 230 "ldscript.y" + { + /* This is a short cut for "ID { *(ID) }". */ + (yyval.output_rule) = new_output_rule (output_section); + (yyval.output_rule)->val.section.name = (yyvsp[(1) - (2)].str); + (yyval.output_rule)->val.section.input = new_input_rule (input_section); + (yyval.output_rule)->val.section.input->next = NULL; + (yyval.output_rule)->val.section.input->val.section = + (struct filemask_section_name *) + obstack_alloc (&ld_state.smem, + sizeof (struct filemask_section_name)); + (yyval.output_rule)->val.section.input->val.section->filemask = NULL; + (yyval.output_rule)->val.section.input->val.section->excludemask = NULL; + (yyval.output_rule)->val.section.input->val.section->section_name = + new_input_section_name ((yyvsp[(1) - (2)].str), false); + (yyval.output_rule)->val.section.input->val.section->keep_flag = false; + if (ld_state.strip == strip_debug + && ebl_debugscn_p (ld_state.ebl, (yyvsp[(1) - (2)].str))) + (yyval.output_rule)->val.section.ignored = true; + else + (yyval.output_rule)->val.section.ignored = false; + } + break; + + case 22: + +/* Line 1464 of yacc.c */ +#line 254 "ldscript.y" + { (yyval.assignment) = new_assignment ((yyvsp[(1) - (3)].str), (yyvsp[(3) - (3)].expr), false); } + break; + + case 23: + +/* Line 1464 of yacc.c */ +#line 256 "ldscript.y" + { (yyval.assignment) = new_assignment ((yyvsp[(3) - (6)].str), (yyvsp[(5) - (6)].expr), true); } + break; + + case 24: + +/* Line 1464 of yacc.c */ +#line 260 "ldscript.y" + { + (yyvsp[(2) - (2)].input_rule)->next = (yyvsp[(1) - (2)].input_rule)->next; + (yyval.input_rule) = (yyvsp[(1) - (2)].input_rule)->next = (yyvsp[(2) - (2)].input_rule); + } + break; + + case 25: + +/* Line 1464 of yacc.c */ +#line 265 "ldscript.y" + { (yyval.input_rule) = (yyvsp[(1) - (1)].input_rule); } + break; + + case 26: + +/* Line 1464 of yacc.c */ +#line 269 "ldscript.y" + { + (yyval.input_rule) = new_input_rule (input_section); + (yyval.input_rule)->val.section = (yyvsp[(1) - (1)].filemask_section_name); + } + break; + + case 27: + +/* Line 1464 of yacc.c */ +#line 274 "ldscript.y" + { + (yyvsp[(3) - (4)].filemask_section_name)->keep_flag = true; + + (yyval.input_rule) = new_input_rule (input_section); + (yyval.input_rule)->val.section = (yyvsp[(3) - (4)].filemask_section_name); + } + break; + + case 28: + +/* Line 1464 of yacc.c */ +#line 281 "ldscript.y" + { + (yyval.input_rule) = new_input_rule (input_assignment); + (yyval.input_rule)->val.assignment = (yyvsp[(1) - (2)].assignment); + } + break; + + case 29: + +/* Line 1464 of yacc.c */ +#line 288 "ldscript.y" + { + (yyval.filemask_section_name) = (struct filemask_section_name *) + obstack_alloc (&ld_state.smem, sizeof (*(yyval.filemask_section_name))); + (yyval.filemask_section_name)->filemask = (yyvsp[(1) - (5)].str); + (yyval.filemask_section_name)->excludemask = (yyvsp[(3) - (5)].str); + (yyval.filemask_section_name)->section_name = (yyvsp[(4) - (5)].sectionname); + (yyval.filemask_section_name)->keep_flag = false; + } + break; + + case 30: + +/* Line 1464 of yacc.c */ +#line 299 "ldscript.y" + { (yyval.sectionname) = new_input_section_name ((yyvsp[(1) - (1)].str), false); } + break; + + case 31: + +/* Line 1464 of yacc.c */ +#line 301 "ldscript.y" + { (yyval.sectionname) = new_input_section_name ((yyvsp[(3) - (4)].str), true); } + break; + + case 32: + +/* Line 1464 of yacc.c */ +#line 305 "ldscript.y" + { (yyval.str) = (yyvsp[(3) - (4)].str); } + break; + + case 33: + +/* Line 1464 of yacc.c */ +#line 307 "ldscript.y" + { (yyval.str) = NULL; } + break; + + case 34: + +/* Line 1464 of yacc.c */ +#line 311 "ldscript.y" + { + (yyval.expr) = new_expr (exp_align); + (yyval.expr)->val.child = (yyvsp[(3) - (4)].expr); + } + break; + + case 35: + +/* Line 1464 of yacc.c */ +#line 316 "ldscript.y" + { (yyval.expr) = (yyvsp[(2) - (3)].expr); } + break; + + case 36: + +/* Line 1464 of yacc.c */ +#line 318 "ldscript.y" + { + (yyval.expr) = new_expr (exp_mult); + (yyval.expr)->val.binary.left = (yyvsp[(1) - (3)].expr); + (yyval.expr)->val.binary.right = (yyvsp[(3) - (3)].expr); + } + break; + + case 37: + +/* Line 1464 of yacc.c */ +#line 324 "ldscript.y" + { + (yyval.expr) = new_expr ((yyvsp[(2) - (3)].op)); + (yyval.expr)->val.binary.left = (yyvsp[(1) - (3)].expr); + (yyval.expr)->val.binary.right = (yyvsp[(3) - (3)].expr); + } + break; + + case 38: + +/* Line 1464 of yacc.c */ +#line 330 "ldscript.y" + { + (yyval.expr) = new_expr ((yyvsp[(2) - (3)].op)); + (yyval.expr)->val.binary.left = (yyvsp[(1) - (3)].expr); + (yyval.expr)->val.binary.right = (yyvsp[(3) - (3)].expr); + } + break; + + case 39: + +/* Line 1464 of yacc.c */ +#line 336 "ldscript.y" + { + (yyval.expr) = new_expr (exp_and); + (yyval.expr)->val.binary.left = (yyvsp[(1) - (3)].expr); + (yyval.expr)->val.binary.right = (yyvsp[(3) - (3)].expr); + } + break; + + case 40: + +/* Line 1464 of yacc.c */ +#line 342 "ldscript.y" + { + (yyval.expr) = new_expr (exp_or); + (yyval.expr)->val.binary.left = (yyvsp[(1) - (3)].expr); + (yyval.expr)->val.binary.right = (yyvsp[(3) - (3)].expr); + } + break; + + case 41: + +/* Line 1464 of yacc.c */ +#line 348 "ldscript.y" + { + (yyval.expr) = new_expr (exp_num); + (yyval.expr)->val.num = (yyvsp[(1) - (1)].num); + } + break; + + case 42: + +/* Line 1464 of yacc.c */ +#line 353 "ldscript.y" + { + (yyval.expr) = new_expr (exp_id); + (yyval.expr)->val.str = (yyvsp[(1) - (1)].str); + } + break; + + case 43: + +/* Line 1464 of yacc.c */ +#line 358 "ldscript.y" + { (yyval.expr) = new_expr (exp_sizeof_headers); } + break; + + case 44: + +/* Line 1464 of yacc.c */ +#line 360 "ldscript.y" + { (yyval.expr) = new_expr (exp_pagesize); } + break; + + case 45: + +/* Line 1464 of yacc.c */ +#line 364 "ldscript.y" + { + (yyvsp[(3) - (3)].filename_list)->next = (yyvsp[(1) - (3)].filename_list)->next; + (yyval.filename_list) = (yyvsp[(1) - (3)].filename_list)->next = (yyvsp[(3) - (3)].filename_list); + } + break; + + case 46: + +/* Line 1464 of yacc.c */ +#line 369 "ldscript.y" + { (yyval.filename_list) = (yyvsp[(1) - (1)].filename_list); } + break; + + case 49: + +/* Line 1464 of yacc.c */ +#line 377 "ldscript.y" + { + /* First little optimization. If there is only one + file in the group don't do anything. */ + if ((yyvsp[(3) - (4)].filename_list) != (yyvsp[(3) - (4)].filename_list)->next) + { + (yyvsp[(3) - (4)].filename_list)->next->group_start = 1; + (yyvsp[(3) - (4)].filename_list)->group_end = 1; + } + (yyval.filename_list) = (yyvsp[(3) - (4)].filename_list); + } + break; + + case 50: + +/* Line 1464 of yacc.c */ +#line 388 "ldscript.y" + { (yyval.filename_list) = mark_as_needed ((yyvsp[(3) - (4)].filename_list)); } + break; + + case 51: + +/* Line 1464 of yacc.c */ +#line 390 "ldscript.y" + { (yyval.filename_list) = new_filename_listelem ((yyvsp[(1) - (1)].str)); } + break; + + case 52: + +/* Line 1464 of yacc.c */ +#line 395 "ldscript.y" + { + (yyvsp[(2) - (2)].version)->next = (yyvsp[(1) - (2)].version)->next; + (yyval.version) = (yyvsp[(1) - (2)].version)->next = (yyvsp[(2) - (2)].version); + } + break; + + case 53: + +/* Line 1464 of yacc.c */ +#line 400 "ldscript.y" + { (yyval.version) = (yyvsp[(1) - (1)].version); } + break; + + case 54: + +/* Line 1464 of yacc.c */ +#line 404 "ldscript.y" + { + (yyvsp[(2) - (4)].version)->versionname = ""; + (yyvsp[(2) - (4)].version)->parentname = NULL; + (yyval.version) = (yyvsp[(2) - (4)].version); + } + break; + + case 55: + +/* Line 1464 of yacc.c */ +#line 410 "ldscript.y" + { + (yyvsp[(3) - (5)].version)->versionname = (yyvsp[(1) - (5)].str); + (yyvsp[(3) - (5)].version)->parentname = NULL; + (yyval.version) = (yyvsp[(3) - (5)].version); + } + break; + + case 56: + +/* Line 1464 of yacc.c */ +#line 416 "ldscript.y" + { + (yyvsp[(3) - (6)].version)->versionname = (yyvsp[(1) - (6)].str); + (yyvsp[(3) - (6)].version)->parentname = (yyvsp[(5) - (6)].str); + (yyval.version) = (yyvsp[(3) - (6)].version); + } + break; + + case 57: + +/* Line 1464 of yacc.c */ +#line 425 "ldscript.y" + { (yyval.version) = merge_versions ((yyvsp[(1) - (2)].version), (yyvsp[(2) - (2)].version)); } + break; + + case 58: + +/* Line 1464 of yacc.c */ +#line 427 "ldscript.y" + { (yyval.version) = (yyvsp[(1) - (1)].version); } + break; + + case 59: + +/* Line 1464 of yacc.c */ +#line 431 "ldscript.y" + { (yyval.version) = new_version (NULL, (yyvsp[(2) - (2)].id_list)); } + break; + + case 60: + +/* Line 1464 of yacc.c */ +#line 433 "ldscript.y" + { (yyval.version) = new_version ((yyvsp[(2) - (2)].id_list), NULL); } + break; + + case 61: + +/* Line 1464 of yacc.c */ +#line 438 "ldscript.y" + { + struct id_list *newp = new_id_listelem ((yyvsp[(2) - (3)].str)); + newp->next = (yyvsp[(1) - (3)].id_list)->next; + (yyval.id_list) = (yyvsp[(1) - (3)].id_list)->next = newp; + } + break; + + case 62: + +/* Line 1464 of yacc.c */ +#line 444 "ldscript.y" + { (yyval.id_list) = new_id_listelem ((yyvsp[(1) - (2)].str)); } + break; + + case 63: + +/* Line 1464 of yacc.c */ +#line 448 "ldscript.y" + { (yyval.str) = (yyvsp[(1) - (1)].str); } + break; + + case 64: + +/* Line 1464 of yacc.c */ +#line 450 "ldscript.y" + { (yyval.str) = (yyvsp[(1) - (1)].str); } + break; + + case 65: + +/* Line 1464 of yacc.c */ +#line 454 "ldscript.y" + { (yyval.str) = (yyvsp[(1) - (1)].str); } + break; + + case 66: + +/* Line 1464 of yacc.c */ +#line 456 "ldscript.y" + { (yyval.str) = NULL; } + break; + + + +/* Line 1464 of yacc.c */ +#line 2181 "ldscript.c" + default: break; + } + YY_SYMBOL_PRINT ("-> $$ =", yyr1[yyn], &yyval, &yyloc); + + YYPOPSTACK (yylen); + yylen = 0; + YY_STACK_PRINT (yyss, yyssp); + + *++yyvsp = yyval; + + /* 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 - YYNTOKENS] + *yyssp; + if (0 <= yystate && yystate <= YYLAST && yycheck[yystate] == *yyssp) + yystate = yytable[yystate]; + else + yystate = yydefgoto[yyn - YYNTOKENS]; + + goto yynewstate; + + +/*------------------------------------. +| yyerrlab -- here on detecting error | +`------------------------------------*/ +yyerrlab: + /* If not already recovering from an error, report this error. */ + if (!yyerrstatus) + { + ++yynerrs; +#if ! YYERROR_VERBOSE + yyerror (YY_("syntax error")); +#else + { + YYSIZE_T yysize = yysyntax_error (0, yystate, yychar); + if (yymsg_alloc < yysize && yymsg_alloc < YYSTACK_ALLOC_MAXIMUM) + { + YYSIZE_T yyalloc = 2 * yysize; + if (! (yysize <= yyalloc && yyalloc <= YYSTACK_ALLOC_MAXIMUM)) + yyalloc = YYSTACK_ALLOC_MAXIMUM; + if (yymsg != yymsgbuf) + YYSTACK_FREE (yymsg); + yymsg = (char *) YYSTACK_ALLOC (yyalloc); + if (yymsg) + yymsg_alloc = yyalloc; + else + { + yymsg = yymsgbuf; + yymsg_alloc = sizeof yymsgbuf; + } + } + + if (0 < yysize && yysize <= yymsg_alloc) + { + (void) yysyntax_error (yymsg, yystate, yychar); + yyerror (yymsg); + } + else + { + yyerror (YY_("syntax error")); + if (yysize != 0) + goto yyexhaustedlab; + } + } +#endif + } + + + + if (yyerrstatus == 3) + { + /* If just tried and failed to reuse lookahead token after an + error, discard it. */ + + if (yychar <= YYEOF) + { + /* Return failure if at end of input. */ + if (yychar == YYEOF) + YYABORT; + } + else + { + yydestruct ("Error: discarding", + yytoken, &yylval); + yychar = YYEMPTY; + } + } + + /* Else will try to reuse lookahead token after shifting the error + token. */ + goto yyerrlab1; + + +/*---------------------------------------------------. +| yyerrorlab -- error raised explicitly by YYERROR. | +`---------------------------------------------------*/ +yyerrorlab: + + /* Pacify compilers like GCC when the user code never invokes + YYERROR and the label yyerrorlab therefore never appears in user + code. */ + if (/*CONSTCOND*/ 0) + goto yyerrorlab; + + /* Do not reclaim the symbols of the rule which action triggered + this YYERROR. */ + YYPOPSTACK (yylen); + yylen = 0; + YY_STACK_PRINT (yyss, yyssp); + yystate = *yyssp; + goto yyerrlab1; + + +/*-------------------------------------------------------------. +| yyerrlab1 -- common code for both syntax error and YYERROR. | +`-------------------------------------------------------------*/ +yyerrlab1: + yyerrstatus = 3; /* Each real token shifted decrements this. */ + + for (;;) + { + yyn = yypact[yystate]; + if (yyn != YYPACT_NINF) + { + yyn += YYTERROR; + if (0 <= yyn && yyn <= YYLAST && yycheck[yyn] == YYTERROR) + { + yyn = yytable[yyn]; + if (0 < yyn) + break; + } + } + + /* Pop the current state because it cannot handle the error token. */ + if (yyssp == yyss) + YYABORT; + + + yydestruct ("Error: popping", + yystos[yystate], yyvsp); + YYPOPSTACK (1); + yystate = *yyssp; + YY_STACK_PRINT (yyss, yyssp); + } + + *++yyvsp = yylval; + + + /* Shift the error token. */ + YY_SYMBOL_PRINT ("Shifting", yystos[yyn], yyvsp, yylsp); + + yystate = yyn; + goto yynewstate; + + +/*-------------------------------------. +| yyacceptlab -- YYACCEPT comes here. | +`-------------------------------------*/ +yyacceptlab: + yyresult = 0; + goto yyreturn; + +/*-----------------------------------. +| yyabortlab -- YYABORT comes here. | +`-----------------------------------*/ +yyabortlab: + yyresult = 1; + goto yyreturn; + +#if !defined(yyoverflow) || YYERROR_VERBOSE +/*-------------------------------------------------. +| yyexhaustedlab -- memory exhaustion comes here. | +`-------------------------------------------------*/ +yyexhaustedlab: + yyerror (YY_("memory exhausted")); + yyresult = 2; + /* Fall through. */ +#endif + +yyreturn: + if (yychar != YYEMPTY) + yydestruct ("Cleanup: discarding lookahead", + yytoken, &yylval); + /* Do not reclaim the symbols of the rule which action triggered + this YYABORT or YYACCEPT. */ + YYPOPSTACK (yylen); + YY_STACK_PRINT (yyss, yyssp); + while (yyssp != yyss) + { + yydestruct ("Cleanup: popping", + yystos[*yyssp], yyvsp); + YYPOPSTACK (1); + } +#ifndef yyoverflow + if (yyss != yyssa) + YYSTACK_FREE (yyss); +#endif +#if YYERROR_VERBOSE + if (yymsg != yymsgbuf) + YYSTACK_FREE (yymsg); +#endif + /* Make sure YYID is used. */ + return YYID (yyresult); +} + + + +/* Line 1684 of yacc.c */ +#line 459 "ldscript.y" + + +static void +yyerror (const char *s) +{ + error (0, 0, (ld_scan_version_script + ? gettext ("while reading version script '%s': %s at line %d") + : gettext ("while reading linker script '%s': %s at line %d")), + ldin_fname, gettext (s), ldlineno); +} + + +static struct expression * +new_expr (int tag) +{ + struct expression *newp = (struct expression *) + obstack_alloc (&ld_state.smem, sizeof (*newp)); + + newp->tag = tag; + return newp; +} + + +static struct input_section_name * +new_input_section_name (const char *name, bool sort_flag) +{ + struct input_section_name *newp = (struct input_section_name *) + obstack_alloc (&ld_state.smem, sizeof (*newp)); + + newp->name = name; + newp->sort_flag = sort_flag; + return newp; +} + + +static struct input_rule * +new_input_rule (int tag) +{ + struct input_rule *newp = (struct input_rule *) + obstack_alloc (&ld_state.smem, sizeof (*newp)); + + newp->tag = tag; + newp->next = newp; + return newp; +} + + +static struct output_rule * +new_output_rule (int tag) +{ + struct output_rule *newp = (struct output_rule *) + memset (obstack_alloc (&ld_state.smem, sizeof (*newp)), + '\0', sizeof (*newp)); + + newp->tag = tag; + newp->next = newp; + return newp; +} + + +static struct assignment * +new_assignment (const char *variable, struct expression *expression, + bool provide_flag) +{ + struct assignment *newp = (struct assignment *) + obstack_alloc (&ld_state.smem, sizeof (*newp)); + + newp->variable = variable; + newp->expression = expression; + newp->sym = NULL; + newp->provide_flag = provide_flag; + + /* Insert the symbol into a hash table. We will later have to matc*/ + return newp; +} + + +static void +new_segment (int mode, struct output_rule *output_rule) +{ + struct output_segment *newp; + + newp + = (struct output_segment *) obstack_alloc (&ld_state.smem, sizeof (*newp)); + newp->mode = mode; + newp->next = newp; + + newp->output_rules = output_rule->next; + output_rule->next = NULL; + + /* Enqueue the output segment description. */ + if (ld_state.output_segments == NULL) + ld_state.output_segments = newp; + else + { + newp->next = ld_state.output_segments->next; + ld_state.output_segments = ld_state.output_segments->next = newp; + } + + /* If the output file should be stripped of all symbol set the flag + in the structures of all output sections. */ + if (mode == 0 && ld_state.strip == strip_all) + { + struct output_rule *runp; + + for (runp = newp->output_rules; runp != NULL; runp = runp->next) + if (runp->tag == output_section) + runp->val.section.ignored = true; + } +} + + +static struct filename_list * +new_filename_listelem (const char *string) +{ + struct filename_list *newp; + + /* We use calloc and not the obstack since this object can be freed soon. */ + newp = (struct filename_list *) xcalloc (1, sizeof (*newp)); + newp->name = string; + newp->next = newp; + return newp; +} + + +static struct filename_list * +mark_as_needed (struct filename_list *listp) +{ + struct filename_list *runp = listp; + do + { + runp->as_needed = true; + runp = runp->next; + } + while (runp != listp); + + return listp; +} + + +static void +add_inputfiles (struct filename_list *fnames) +{ + assert (fnames != NULL); + + if (ld_state.srcfiles == NULL) + ld_state.srcfiles = fnames; + else + { + struct filename_list *first = ld_state.srcfiles->next; + + ld_state.srcfiles->next = fnames->next; + fnames->next = first; + ld_state.srcfiles->next = fnames; + } +} + + +static _Bool +special_char_p (const char *str) +{ + while (*str != '\0') + { + if (__builtin_expect (*str == '*', 0) + || __builtin_expect (*str == '?', 0) + || __builtin_expect (*str == '[', 0)) + return true; + + ++str; + } + + return false; +} + + +static struct id_list * +new_id_listelem (const char *str) +{ + struct id_list *newp; + + newp = (struct id_list *) obstack_alloc (&ld_state.smem, sizeof (*newp)); + if (str == NULL) + newp->u.id_type = id_all; + else if (__builtin_expect (special_char_p (str), false)) + newp->u.id_type = id_wild; + else + newp->u.id_type = id_str; + newp->id = str; + newp->next = newp; + + return newp; +} + + +static struct version * +new_version (struct id_list *local, struct id_list *global) +{ + struct version *newp; + + newp = (struct version *) obstack_alloc (&ld_state.smem, sizeof (*newp)); + newp->next = newp; + newp->local_names = local; + newp->global_names = global; + newp->versionname = NULL; + newp->parentname = NULL; + + return newp; +} + + +static struct version * +merge_versions (struct version *one, struct version *two) +{ + assert (two->local_names == NULL || two->global_names == NULL); + + if (two->local_names != NULL) + { + if (one->local_names == NULL) + one->local_names = two->local_names; + else + { + two->local_names->next = one->local_names->next; + one->local_names = one->local_names->next = two->local_names; + } + } + else + { + if (one->global_names == NULL) + one->global_names = two->global_names; + else + { + two->global_names->next = one->global_names->next; + one->global_names = one->global_names->next = two->global_names; + } + } + + return one; +} + + +static void +add_id_list (const char *versionname, struct id_list *runp, _Bool local) +{ + struct id_list *lastp = runp; + + if (runp == NULL) + /* Nothing to do. */ + return; + + /* Convert into a simple single-linked list. */ + runp = runp->next; + assert (runp != NULL); + lastp->next = NULL; + + do + if (runp->u.id_type == id_str) + { + struct id_list *curp; + struct id_list *defp; + unsigned long int hval = elf_hash (runp->id); + + curp = runp; + runp = runp->next; + + defp = ld_version_str_tab_find (&ld_state.version_str_tab, hval, curp); + if (defp != NULL) + { + /* There is already a version definition for this symbol. */ + while (strcmp (defp->u.s.versionname, versionname) != 0) + { + if (defp->next == NULL) + { + /* No version like this so far. */ + defp->next = curp; + curp->u.s.local = local; + curp->u.s.versionname = versionname; + curp->next = NULL; + defp = NULL; + break; + } + + defp = defp->next; + } + + if (defp != NULL && defp->u.s.local != local) + error (EXIT_FAILURE, 0, versionname[0] == '\0' + ? gettext ("\ +symbol '%s' is declared both local and global for unnamed version") + : gettext ("\ +symbol '%s' is declared both local and global for version '%s'"), + runp->id, versionname); + } + else + { + /* This is the first version definition for this symbol. */ + ld_version_str_tab_insert (&ld_state.version_str_tab, hval, curp); + + curp->u.s.local = local; + curp->u.s.versionname = versionname; + curp->next = NULL; + } + } + else if (runp->u.id_type == id_all) + { + if (local) + { + if (ld_state.default_bind_global) + error (EXIT_FAILURE, 0, + gettext ("default visibility set as local and global")); + ld_state.default_bind_local = true; + } + else + { + if (ld_state.default_bind_local) + error (EXIT_FAILURE, 0, + gettext ("default visibility set as local and global")); + ld_state.default_bind_global = true; + } + + runp = runp->next; + } + else + { + assert (runp->u.id_type == id_wild); + /* XXX TBI */ + abort (); + } + while (runp != NULL); +} + + +static void +add_versions (struct version *versions) +{ + struct version *lastp = versions; + + if (versions == NULL) + return; + + /* Convert into a simple single-linked list. */ + versions = versions->next; + assert (versions != NULL); + lastp->next = NULL; + + do + { + add_id_list (versions->versionname, versions->local_names, true); + add_id_list (versions->versionname, versions->global_names, false); + + versions = versions->next; + } + while (versions != NULL); +} + |