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Diffstat (limited to 'src/ldscript.c')
| -rw-r--r-- | src/ldscript.c | 2220 |
1 files changed, 2220 insertions, 0 deletions
diff --git a/src/ldscript.c b/src/ldscript.c new file mode 100644 index 00000000..0f70ca95 --- /dev/null +++ b/src/ldscript.c @@ -0,0 +1,2220 @@ +/* A Bison parser, made by GNU Bison 1.875c. */ + +/* Skeleton parser for Yacc-like parsing with Bison, + Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003 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. */ + +/* 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 + +/* Skeleton name. */ +#define YYSKELETON_NAME "yacc.c" + +/* Pure parsers. */ +#define YYPURE 0 + +/* Using locations. */ +#define YYLSP_NEEDED 0 + +/* If NAME_PREFIX is specified substitute the variables and functions + names. */ +#define yyparse ldparse +#define yylex ldlex +#define yyerror lderror +#define yylval ldlval +#define yychar ldchar +#define yydebug lddebug +#define yynerrs ldnerrs + + +/* 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, + kENTRY = 260, + kEXCLUDE_FILE = 261, + kFILENAME = 262, + kGLOBAL = 263, + kGROUP = 264, + kID = 265, + kINPUT = 266, + kINTERP = 267, + kKEEP = 268, + kLOCAL = 269, + kMODE = 270, + kMUL_OP = 271, + kNUM = 272, + kOUTPUT_FORMAT = 273, + kPAGESIZE = 274, + kPROVIDE = 275, + kSEARCH_DIR = 276, + kSEGMENT = 277, + kSIZEOF_HEADERS = 278, + kSORT = 279, + kVERSION = 280, + kVERSION_SCRIPT = 281, + ADD_OP = 282, + MUL_OP = 283 + }; +#endif +#define kADD_OP 258 +#define kALIGN 259 +#define kENTRY 260 +#define kEXCLUDE_FILE 261 +#define kFILENAME 262 +#define kGLOBAL 263 +#define kGROUP 264 +#define kID 265 +#define kINPUT 266 +#define kINTERP 267 +#define kKEEP 268 +#define kLOCAL 269 +#define kMODE 270 +#define kMUL_OP 271 +#define kNUM 272 +#define kOUTPUT_FORMAT 273 +#define kPAGESIZE 274 +#define kPROVIDE 275 +#define kSEARCH_DIR 276 +#define kSEGMENT 277 +#define kSIZEOF_HEADERS 278 +#define kSORT 279 +#define kVERSION 280 +#define kVERSION_SCRIPT 281 +#define ADD_OP 282 +#define MUL_OP 283 + + + + +/* Copy the first part of user declarations. */ +#line 1 "/home/drepper/gnu/elfutils/src/ldscript.y" + +/* Parser for linker scripts. + Copyright (C) 2001, 2002, 2003, 2004 Red Hat, Inc. + Written by Ulrich Drepper <drepper@redhat.com>, 2001. + + This program is Open Source software; you can redistribute it and/or + modify it under the terms of the Open Software License version 1.0 as + published by the Open Source Initiative. + + You should have received a copy of the Open Software License along + with this program; if not, you may obtain a copy of the Open Software + License version 1.0 from http://www.opensource.org/licenses/osl.php or + by writing the Open Source Initiative c/o Lawrence Rosen, Esq., + 3001 King Ranch Road, Ukiah, CA 95482. */ + +#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 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); + + +/* 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 + +#if ! defined (YYSTYPE) && ! defined (YYSTYPE_IS_DECLARED) +#line 58 "/home/drepper/gnu/elfutils/src/ldscript.y" +typedef union YYSTYPE { + 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; +} YYSTYPE; +/* Line 191 of yacc.c. */ +#line 213 "ldscript.c" +# define yystype YYSTYPE /* obsolescent; will be withdrawn */ +# define YYSTYPE_IS_DECLARED 1 +# define YYSTYPE_IS_TRIVIAL 1 +#endif + + + +/* Copy the second part of user declarations. */ + + +/* Line 214 of yacc.c. */ +#line 225 "ldscript.c" + +#if ! defined (yyoverflow) || YYERROR_VERBOSE + +# ifndef YYFREE +# define YYFREE free +# endif +# ifndef YYMALLOC +# define YYMALLOC malloc +# endif + +/* The parser invokes alloca or malloc; define the necessary symbols. */ + +# ifdef YYSTACK_USE_ALLOCA +# if YYSTACK_USE_ALLOCA +# define YYSTACK_ALLOC alloca +# endif +# else +# if defined (alloca) || defined (_ALLOCA_H) +# define YYSTACK_ALLOC alloca +# else +# ifdef __GNUC__ +# define YYSTACK_ALLOC __builtin_alloca +# 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 YYMALLOC +# define YYSTACK_FREE YYFREE +# 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 +{ + short yyss; + YYSTYPE yyvs; + }; + +/* 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 (short) + 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 \ + { \ + 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_MAXIMUM; \ + yyptr += yynewbytes / sizeof (*yyptr); \ + } \ + while (0) + +#endif + +#if defined (__STDC__) || defined (__cplusplus) + typedef signed char yysigned_char; +#else + typedef short yysigned_char; +#endif + +/* YYFINAL -- State number of the termination state. */ +#define YYFINAL 30 +/* YYLAST -- Last index in YYTABLE. */ +#define YYLAST 198 + +/* YYNTOKENS -- Number of terminals. */ +#define YYNTOKENS 39 +/* YYNNTS -- Number of nonterminals. */ +#define YYNNTS 22 +/* YYNRULES -- Number of rules. */ +#define YYNRULES 62 +/* YYNRULES -- Number of states. */ +#define YYNSTATES 146 + +/* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX. */ +#define YYUNDEFTOK 2 +#define YYMAXUTOK 283 + +#define YYTRANSLATE(YYX) \ + ((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK) + +/* YYTRANSLATE[YYLEX] -- Bison symbol number corresponding to YYLEX. */ +static const unsigned 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, 2, 2, 2, 28, 2, + 32, 33, 30, 2, 38, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 34, + 2, 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, 35, 27, 36, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 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, 29, 31 +}; + +#if YYDEBUG +/* YYPRHS[YYN] -- Index of the first RHS symbol of rule number YYN in + YYRHS. */ +static const unsigned char yyprhs[] = +{ + 0, 0, 3, 5, 8, 11, 13, 19, 25, 31, + 37, 43, 49, 54, 59, 64, 69, 72, 74, 77, + 82, 85, 89, 96, 99, 101, 103, 108, 111, 117, + 119, 124, 129, 130, 135, 139, 143, 147, 151, 155, + 159, 161, 163, 165, 167, 171, 173, 175, 176, 179, + 181, 186, 192, 199, 202, 204, 207, 210, 214, 217, + 219, 221, 223 +}; + +/* YYRHS -- A `-1'-separated list of the rules' RHS. */ +static const yysigned_char yyrhs[] = +{ + 40, 0, -1, 41, -1, 26, 54, -1, 41, 42, + -1, 42, -1, 5, 32, 10, 33, 34, -1, 21, + 32, 59, 33, 34, -1, 19, 32, 17, 33, 34, + -1, 12, 32, 59, 33, 34, -1, 22, 15, 35, + 43, 36, -1, 22, 1, 35, 43, 36, -1, 9, + 32, 52, 33, -1, 11, 32, 52, 33, -1, 25, + 35, 54, 36, -1, 18, 32, 59, 33, -1, 43, + 44, -1, 44, -1, 45, 34, -1, 10, 35, 46, + 36, -1, 10, 34, -1, 10, 37, 51, -1, 20, + 32, 10, 37, 51, 33, -1, 46, 47, -1, 47, + -1, 48, -1, 13, 32, 48, 33, -1, 45, 34, + -1, 60, 32, 50, 49, 33, -1, 10, -1, 24, + 32, 10, 33, -1, 6, 32, 59, 33, -1, -1, + 4, 32, 51, 33, -1, 32, 51, 33, -1, 51, + 30, 51, -1, 51, 16, 51, -1, 51, 3, 51, + -1, 51, 28, 51, -1, 51, 27, 51, -1, 17, + -1, 10, -1, 23, -1, 19, -1, 52, 53, 59, + -1, 59, -1, 38, -1, -1, 54, 55, -1, 55, + -1, 35, 56, 36, 34, -1, 59, 35, 56, 36, + 34, -1, 59, 35, 56, 36, 59, 34, -1, 56, + 57, -1, 57, -1, 8, 58, -1, 14, 58, -1, + 58, 60, 34, -1, 60, 34, -1, 7, -1, 10, + -1, 59, -1, 30, -1 +}; + +/* YYRLINE[YYN] -- source line where rule number YYN was defined. */ +static const unsigned short yyrline[] = +{ + 0, 128, 128, 129, 133, 134, 137, 142, 146, 151, + 156, 160, 166, 177, 179, 181, 185, 190, 194, 199, + 211, 235, 237, 241, 246, 250, 255, 262, 269, 280, + 282, 286, 289, 292, 297, 299, 305, 311, 317, 323, + 329, 334, 339, 341, 345, 351, 355, 356, 359, 364, + 368, 374, 380, 389, 391, 395, 397, 402, 408, 412, + 414, 418, 420 +}; +#endif + +#if YYDEBUG || YYERROR_VERBOSE +/* YYTNME[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", "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", "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 unsigned short 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, 124, 38, 282, + 42, 283, 40, 41, 59, 123, 125, 61, 44 +}; +# endif + +/* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */ +static const unsigned char yyr1[] = +{ + 0, 39, 40, 40, 41, 41, 42, 42, 42, 42, + 42, 42, 42, 42, 42, 42, 43, 43, 44, 44, + 44, 45, 45, 46, 46, 47, 47, 47, 48, 49, + 49, 50, 50, 51, 51, 51, 51, 51, 51, 51, + 51, 51, 51, 51, 52, 52, 53, 53, 54, 54, + 55, 55, 55, 56, 56, 57, 57, 58, 58, 59, + 59, 60, 60 +}; + +/* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN. */ +static const unsigned char yyr2[] = +{ + 0, 2, 1, 2, 2, 1, 5, 5, 5, 5, + 5, 5, 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, 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 unsigned char yydefact[] = +{ + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 2, 5, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 59, 60, 0, 3, 49, 0, + 1, 4, 0, 47, 45, 47, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 54, 48, 0, 0, + 12, 46, 0, 13, 0, 15, 0, 0, 0, 0, + 0, 17, 0, 0, 14, 62, 55, 61, 0, 56, + 0, 53, 0, 6, 44, 9, 8, 7, 20, 0, + 0, 0, 11, 16, 18, 10, 0, 58, 50, 0, + 60, 0, 0, 0, 24, 25, 0, 0, 41, 40, + 43, 42, 0, 21, 0, 57, 51, 0, 0, 27, + 19, 23, 32, 0, 0, 0, 0, 0, 0, 0, + 0, 52, 0, 0, 0, 0, 34, 37, 36, 39, + 38, 35, 0, 26, 0, 29, 0, 0, 33, 22, + 0, 0, 28, 31, 0, 30 +}; + +/* YYDEFGOTO[NTERM-NUM]. */ +static const short yydefgoto[] = +{ + -1, 11, 12, 13, 60, 61, 62, 93, 94, 95, + 137, 124, 103, 33, 52, 27, 28, 45, 46, 66, + 67, 96 +}; + +/* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing + STATE-NUM. */ +#define YYPACT_NINF -41 +static const short yypact[] = +{ + 107, -28, -20, -13, 34, 77, 85, 88, 91, 33, + 38, 123, 125, -41, 117, 52, 52, 52, 52, 114, + 52, 100, 103, 38, -41, -41, 96, 38, -41, 110, + -41, -41, 115, 64, -41, 67, 116, 118, 120, 127, + 1, 1, 28, 84, 84, 36, -41, -41, 96, 128, + -41, -41, 52, -41, 129, -41, 130, 131, 105, 134, + 75, -41, 133, 79, -41, -41, 84, -41, 135, 84, + 136, -41, 41, -41, -41, -41, -41, -41, -41, 83, + 48, 151, -41, -41, -41, -41, 137, -41, -41, 44, + 138, 140, 139, 17, -41, -41, 142, 144, -41, -41, + -41, -41, 48, 54, 141, -41, -41, 143, 84, -41, + -41, -41, 162, 48, -2, 48, 48, 48, 48, 48, + 48, -41, 146, 148, 97, 6, -41, 54, 54, 58, + 53, -1, 13, -41, 52, -41, 149, 150, -41, -41, + 152, 172, -41, -41, 153, -41 +}; + +/* YYPGOTO[NTERM-NUM]. */ +static const short yypgoto[] = +{ + -41, -41, -41, 175, 147, -40, 29, -41, 98, 76, + -41, -41, 39, 173, -41, 167, -24, 145, 15, 154, + -10, 32 +}; + +/* 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 unsigned char yytable[] = +{ + 29, 115, 115, 47, 14, 34, 34, 36, 37, 115, + 39, 58, 15, 29, 116, 116, 115, 29, 47, 16, + 83, 59, 116, 83, 24, 117, 118, 90, 119, 116, + 91, 126, 29, 117, 118, 24, 119, 59, 25, 138, + 117, 118, 74, 119, 43, 24, 139, 65, 25, 43, + 44, 24, 97, 110, 25, 44, 115, 115, 98, 24, + 71, 115, 25, 26, 64, 99, 17, 100, 23, 116, + 116, 101, 70, 26, 116, 68, 68, 89, 106, 107, + 102, 117, 118, 119, 119, 58, 118, 71, 119, 58, + 24, 24, 21, 90, 25, 59, 91, 50, 86, 59, + 53, 86, 51, 59, 43, 51, 22, 135, 92, 18, + 44, 82, 1, 65, 65, 85, 2, 19, 3, 4, + 20, 136, 92, 30, 140, 5, 6, 32, 7, 8, + 1, 38, 9, 10, 2, 40, 3, 4, 41, 78, + 79, 114, 80, 5, 6, 48, 7, 8, 49, 54, + 9, 55, 125, 56, 127, 128, 129, 130, 131, 132, + 57, 104, 73, 75, 76, 77, 81, 84, 123, 87, + 88, 105, 108, 109, 112, 80, 113, 121, 120, 133, + 134, 141, 144, 142, 122, 143, 145, 31, 63, 35, + 42, 111, 0, 72, 0, 0, 0, 0, 69 +}; + +static const short yycheck[] = +{ + 10, 3, 3, 27, 32, 15, 16, 17, 18, 3, + 20, 10, 32, 23, 16, 16, 3, 27, 42, 32, + 60, 20, 16, 63, 7, 27, 28, 10, 30, 16, + 13, 33, 42, 27, 28, 7, 30, 20, 10, 33, + 27, 28, 52, 30, 8, 7, 33, 30, 10, 8, + 14, 7, 4, 36, 10, 14, 3, 3, 10, 7, + 45, 3, 10, 35, 36, 17, 32, 19, 35, 16, + 16, 23, 36, 35, 16, 43, 44, 36, 34, 89, + 32, 27, 28, 30, 30, 10, 28, 72, 30, 10, + 7, 7, 1, 10, 10, 20, 13, 33, 66, 20, + 33, 69, 38, 20, 8, 38, 15, 10, 79, 32, + 14, 36, 5, 30, 30, 36, 9, 32, 11, 12, + 32, 24, 93, 0, 134, 18, 19, 10, 21, 22, + 5, 17, 25, 26, 9, 35, 11, 12, 35, 34, + 35, 102, 37, 18, 19, 35, 21, 22, 33, 33, + 25, 33, 113, 33, 115, 116, 117, 118, 119, 120, + 33, 10, 34, 34, 34, 34, 32, 34, 6, 34, + 34, 34, 32, 34, 32, 37, 32, 34, 37, 33, + 32, 32, 10, 33, 108, 33, 33, 12, 41, 16, + 23, 93, -1, 48, -1, -1, -1, -1, 44 +}; + +/* YYSTOS[STATE-NUM] -- The (internal number of the) accessing + symbol of state STATE-NUM. */ +static const unsigned char yystos[] = +{ + 0, 5, 9, 11, 12, 18, 19, 21, 22, 25, + 26, 40, 41, 42, 32, 32, 32, 32, 32, 32, + 32, 1, 15, 35, 7, 10, 35, 54, 55, 59, + 0, 42, 10, 52, 59, 52, 59, 59, 17, 59, + 35, 35, 54, 8, 14, 56, 57, 55, 35, 33, + 33, 38, 53, 33, 33, 33, 33, 33, 10, 20, + 43, 44, 45, 43, 36, 30, 58, 59, 60, 58, + 36, 57, 56, 34, 59, 34, 34, 34, 34, 35, + 37, 32, 36, 44, 34, 36, 60, 34, 34, 36, + 10, 13, 45, 46, 47, 48, 60, 4, 10, 17, + 19, 23, 32, 51, 10, 34, 34, 59, 32, 34, + 36, 47, 32, 32, 51, 3, 16, 27, 28, 30, + 37, 34, 48, 6, 50, 51, 33, 51, 51, 51, + 51, 51, 51, 33, 32, 10, 24, 49, 33, 33, + 59, 32, 33, 33, 10, 33 +}; + +#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 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. */ + +#define YYFAIL goto yyerrlab + +#define YYRECOVERING() (!!yyerrstatus) + +#define YYBACKUP(Token, Value) \ +do \ + if (yychar == YYEMPTY && yylen == 1) \ + { \ + yychar = (Token); \ + yylval = (Value); \ + yytoken = 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). */ + +#ifndef YYLLOC_DEFAULT +# define YYLLOC_DEFAULT(Current, Rhs, N) \ + ((Current).first_line = (Rhs)[1].first_line, \ + (Current).first_column = (Rhs)[1].first_column, \ + (Current).last_line = (Rhs)[N].last_line, \ + (Current).last_column = (Rhs)[N].last_column) +#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 (0) + +# define YYDSYMPRINT(Args) \ +do { \ + if (yydebug) \ + yysymprint Args; \ +} while (0) + +# define YYDSYMPRINTF(Title, Token, Value, Location) \ +do { \ + if (yydebug) \ + { \ + YYFPRINTF (stderr, "%s ", Title); \ + yysymprint (stderr, \ + Token, Value); \ + YYFPRINTF (stderr, "\n"); \ + } \ +} while (0) + +/*------------------------------------------------------------------. +| yy_stack_print -- Print the state stack from its BOTTOM up to its | +| TOP (included). | +`------------------------------------------------------------------*/ + +#if defined (__STDC__) || defined (__cplusplus) +static void +yy_stack_print (short *bottom, short *top) +#else +static void +yy_stack_print (bottom, top) + short *bottom; + short *top; +#endif +{ + YYFPRINTF (stderr, "Stack now"); + for (/* Nothing. */; bottom <= top; ++bottom) + YYFPRINTF (stderr, " %d", *bottom); + YYFPRINTF (stderr, "\n"); +} + +# define YY_STACK_PRINT(Bottom, Top) \ +do { \ + if (yydebug) \ + yy_stack_print ((Bottom), (Top)); \ +} while (0) + + +/*------------------------------------------------. +| Report that the YYRULE is going to be reduced. | +`------------------------------------------------*/ + +#if defined (__STDC__) || defined (__cplusplus) +static void +yy_reduce_print (int yyrule) +#else +static void +yy_reduce_print (yyrule) + int yyrule; +#endif +{ + int yyi; + unsigned int yylno = yyrline[yyrule]; + YYFPRINTF (stderr, "Reducing stack by rule %d (line %u), ", + yyrule - 1, yylno); + /* Print the symbols being reduced, and their result. */ + for (yyi = yyprhs[yyrule]; 0 <= yyrhs[yyi]; yyi++) + YYFPRINTF (stderr, "%s ", yytname [yyrhs[yyi]]); + YYFPRINTF (stderr, "-> %s\n", yytname [yyr1[yyrule]]); +} + +# define YY_REDUCE_PRINT(Rule) \ +do { \ + if (yydebug) \ + yy_reduce_print (Rule); \ +} while (0) + +/* Nonzero means print parse trace. It is left uninitialized so that + multiple parsers can coexist. */ +int yydebug; +#else /* !YYDEBUG */ +# define YYDPRINTF(Args) +# define YYDSYMPRINT(Args) +# define YYDSYMPRINTF(Title, Token, 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 + SIZE_MAX < YYSTACK_BYTES (YYMAXDEPTH) + evaluated with infinite-precision integer arithmetic. */ + +#if defined (YYMAXDEPTH) && YYMAXDEPTH == 0 +# undef YYMAXDEPTH +#endif + +#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. */ +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 /* !YYERROR_VERBOSE */ + + + +#if YYDEBUG +/*--------------------------------. +| Print this symbol on YYOUTPUT. | +`--------------------------------*/ + +#if defined (__STDC__) || defined (__cplusplus) +static void +yysymprint (FILE *yyoutput, int yytype, YYSTYPE *yyvaluep) +#else +static void +yysymprint (yyoutput, yytype, yyvaluep) + FILE *yyoutput; + int yytype; + YYSTYPE *yyvaluep; +#endif +{ + /* Pacify ``unused variable'' warnings. */ + (void) yyvaluep; + + if (yytype < YYNTOKENS) + { + YYFPRINTF (yyoutput, "token %s (", yytname[yytype]); +# ifdef YYPRINT + YYPRINT (yyoutput, yytoknum[yytype], *yyvaluep); +# endif + } + else + YYFPRINTF (yyoutput, "nterm %s (", yytname[yytype]); + + switch (yytype) + { + default: + break; + } + YYFPRINTF (yyoutput, ")"); +} + +#endif /* ! YYDEBUG */ +/*-----------------------------------------------. +| Release the memory associated to this symbol. | +`-----------------------------------------------*/ + +#if defined (__STDC__) || defined (__cplusplus) +static void +yydestruct (int yytype, YYSTYPE *yyvaluep) +#else +static void +yydestruct (yytype, yyvaluep) + int yytype; + YYSTYPE *yyvaluep; +#endif +{ + /* Pacify ``unused variable'' warnings. */ + (void) yyvaluep; + + 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. | +`----------*/ + +#ifdef YYPARSE_PARAM +# if defined (__STDC__) || defined (__cplusplus) +int yyparse (void *YYPARSE_PARAM) +# else +int yyparse (YYPARSE_PARAM) + void *YYPARSE_PARAM; +# endif +#else /* ! YYPARSE_PARAM */ +#if defined (__STDC__) || defined (__cplusplus) +int +yyparse (void) +#else +int +yyparse () + +#endif +#endif +{ + + 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 yytoken = 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; + + + +#define YYPOPSTACK (yyvsp--, yyssp--) + + YYSIZE_T yystacksize = YYINITDEPTH; + + /* The variables used to return semantic value and location from the + action routines. */ + YYSTYPE yyval; + + + /* 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; + + 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; + short *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 ("parser stack overflow", + &yyss1, yysize * sizeof (*yyssp), + &yyvs1, yysize * sizeof (*yyvsp), + + &yystacksize); + + yyss = yyss1; + yyvs = yyvs1; + } +#else /* no yyoverflow */ +# ifndef YYSTACK_RELOCATE + goto yyoverflowlab; +# else + /* Extend the stack our own way. */ + if (YYMAXDEPTH <= yystacksize) + goto yyoverflowlab; + yystacksize *= 2; + if (YYMAXDEPTH < yystacksize) + 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); + +# 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)); + + 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 == 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); + YYDSYMPRINTF ("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; + } + + if (yyn == YYFINAL) + YYACCEPT; + + /* Shift the lookahead token. */ + YYDPRINTF ((stderr, "Shifting token %s, ", yytname[yytoken])); + + /* Discard the token being shifted unless it is eof. */ + if (yychar != YYEOF) + yychar = YYEMPTY; + + *++yyvsp = yylval; + + + /* 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 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 130 "/home/drepper/gnu/elfutils/src/ldscript.y" + { add_versions (yyvsp[0].version); } + break; + + case 6: +#line 138 "/home/drepper/gnu/elfutils/src/ldscript.y" + { + if (likely (ld_state.entry == NULL)) + ld_state.entry = yyvsp[-2].str; + } + break; + + case 7: +#line 143 "/home/drepper/gnu/elfutils/src/ldscript.y" + { + ld_new_searchdir (yyvsp[-2].str); + } + break; + + case 8: +#line 147 "/home/drepper/gnu/elfutils/src/ldscript.y" + { + if (likely (ld_state.pagesize == 0)) + ld_state.pagesize = yyvsp[-2].num; + } + break; + + case 9: +#line 152 "/home/drepper/gnu/elfutils/src/ldscript.y" + { + if (likely (ld_state.interp == NULL)) + ld_state.interp = yyvsp[-2].str; + } + break; + + case 10: +#line 157 "/home/drepper/gnu/elfutils/src/ldscript.y" + { + new_segment (yyvsp[-3].num, yyvsp[-1].output_rule); + } + break; + + case 11: +#line 161 "/home/drepper/gnu/elfutils/src/ldscript.y" + { + fputs_unlocked (gettext ("mode for segment invalid\n"), + stderr); + new_segment (0, yyvsp[-1].output_rule); + } + break; + + case 12: +#line 167 "/home/drepper/gnu/elfutils/src/ldscript.y" + { + /* First little optimization. If there is only one + file in the group don't do anything. */ + if (yyvsp[-1].filename_list != yyvsp[-1].filename_list->next) + { + yyvsp[-1].filename_list->next->group_start = 1; + yyvsp[-1].filename_list->group_end = 1; + } + add_inputfiles (yyvsp[-1].filename_list); + } + break; + + case 13: +#line 178 "/home/drepper/gnu/elfutils/src/ldscript.y" + { add_inputfiles (yyvsp[-1].filename_list); } + break; + + case 14: +#line 180 "/home/drepper/gnu/elfutils/src/ldscript.y" + { add_versions (yyvsp[-1].version); } + break; + + case 15: +#line 182 "/home/drepper/gnu/elfutils/src/ldscript.y" + { /* XXX TODO */ } + break; + + case 16: +#line 186 "/home/drepper/gnu/elfutils/src/ldscript.y" + { + yyvsp[0].output_rule->next = yyvsp[-1].output_rule->next; + yyval.output_rule = yyvsp[-1].output_rule->next = yyvsp[0].output_rule; + } + break; + + case 17: +#line 191 "/home/drepper/gnu/elfutils/src/ldscript.y" + { yyval.output_rule = yyvsp[0].output_rule; } + break; + + case 18: +#line 195 "/home/drepper/gnu/elfutils/src/ldscript.y" + { + yyval.output_rule = new_output_rule (output_assignment); + yyval.output_rule->val.assignment = yyvsp[-1].assignment; + } + break; + + case 19: +#line 200 "/home/drepper/gnu/elfutils/src/ldscript.y" + { + yyval.output_rule = new_output_rule (output_section); + yyval.output_rule->val.section.name = yyvsp[-3].str; + yyval.output_rule->val.section.input = yyvsp[-1].input_rule->next; + if (ld_state.strip == strip_debug + && ebl_debugscn_p (ld_state.ebl, yyvsp[-3].str)) + yyval.output_rule->val.section.ignored = true; + else + yyval.output_rule->val.section.ignored = false; + yyvsp[-1].input_rule->next = NULL; + } + break; + + case 20: +#line 212 "/home/drepper/gnu/elfutils/src/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].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].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].str)) + yyval.output_rule->val.section.ignored = true; + else + yyval.output_rule->val.section.ignored = false; + } + break; + + case 21: +#line 236 "/home/drepper/gnu/elfutils/src/ldscript.y" + { yyval.assignment = new_assignment (yyvsp[-2].str, yyvsp[0].expr, false); } + break; + + case 22: +#line 238 "/home/drepper/gnu/elfutils/src/ldscript.y" + { yyval.assignment = new_assignment (yyvsp[-3].str, yyvsp[-1].expr, true); } + break; + + case 23: +#line 242 "/home/drepper/gnu/elfutils/src/ldscript.y" + { + yyvsp[0].input_rule->next = yyvsp[-1].input_rule->next; + yyval.input_rule = yyvsp[-1].input_rule->next = yyvsp[0].input_rule; + } + break; + + case 24: +#line 247 "/home/drepper/gnu/elfutils/src/ldscript.y" + { yyval.input_rule = yyvsp[0].input_rule; } + break; + + case 25: +#line 251 "/home/drepper/gnu/elfutils/src/ldscript.y" + { + yyval.input_rule = new_input_rule (input_section); + yyval.input_rule->val.section = yyvsp[0].filemask_section_name; + } + break; + + case 26: +#line 256 "/home/drepper/gnu/elfutils/src/ldscript.y" + { + yyvsp[-1].filemask_section_name->keep_flag = true; + + yyval.input_rule = new_input_rule (input_section); + yyval.input_rule->val.section = yyvsp[-1].filemask_section_name; + } + break; + + case 27: +#line 263 "/home/drepper/gnu/elfutils/src/ldscript.y" + { + yyval.input_rule = new_input_rule (input_assignment); + yyval.input_rule->val.assignment = yyvsp[-1].assignment; + } + break; + + case 28: +#line 270 "/home/drepper/gnu/elfutils/src/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[-4].str; + yyval.filemask_section_name->excludemask = yyvsp[-2].str; + yyval.filemask_section_name->section_name = yyvsp[-1].sectionname; + yyval.filemask_section_name->keep_flag = false; + } + break; + + case 29: +#line 281 "/home/drepper/gnu/elfutils/src/ldscript.y" + { yyval.sectionname = new_input_section_name (yyvsp[0].str, false); } + break; + + case 30: +#line 283 "/home/drepper/gnu/elfutils/src/ldscript.y" + { yyval.sectionname = new_input_section_name (yyvsp[-1].str, true); } + break; + + case 31: +#line 287 "/home/drepper/gnu/elfutils/src/ldscript.y" + { yyval.str = yyvsp[-1].str; } + break; + + case 32: +#line 289 "/home/drepper/gnu/elfutils/src/ldscript.y" + { yyval.str = NULL; } + break; + + case 33: +#line 293 "/home/drepper/gnu/elfutils/src/ldscript.y" + { + yyval.expr = new_expr (exp_align); + yyval.expr->val.child = yyvsp[-1].expr; + } + break; + + case 34: +#line 298 "/home/drepper/gnu/elfutils/src/ldscript.y" + { yyval.expr = yyvsp[-1].expr; } + break; + + case 35: +#line 300 "/home/drepper/gnu/elfutils/src/ldscript.y" + { + yyval.expr = new_expr (exp_mult); + yyval.expr->val.binary.left = yyvsp[-2].expr; + yyval.expr->val.binary.right = yyvsp[0].expr; + } + break; + + case 36: +#line 306 "/home/drepper/gnu/elfutils/src/ldscript.y" + { + yyval.expr = new_expr (yyvsp[-1].op); + yyval.expr->val.binary.left = yyvsp[-2].expr; + yyval.expr->val.binary.right = yyvsp[0].expr; + } + break; + + case 37: +#line 312 "/home/drepper/gnu/elfutils/src/ldscript.y" + { + yyval.expr = new_expr (yyvsp[-1].op); + yyval.expr->val.binary.left = yyvsp[-2].expr; + yyval.expr->val.binary.right = yyvsp[0].expr; + } + break; + + case 38: +#line 318 "/home/drepper/gnu/elfutils/src/ldscript.y" + { + yyval.expr = new_expr (exp_and); + yyval.expr->val.binary.left = yyvsp[-2].expr; + yyval.expr->val.binary.right = yyvsp[0].expr; + } + break; + + case 39: +#line 324 "/home/drepper/gnu/elfutils/src/ldscript.y" + { + yyval.expr = new_expr (exp_or); + yyval.expr->val.binary.left = yyvsp[-2].expr; + yyval.expr->val.binary.right = yyvsp[0].expr; + } + break; + + case 40: +#line 330 "/home/drepper/gnu/elfutils/src/ldscript.y" + { + yyval.expr = new_expr (exp_num); + yyval.expr->val.num = yyvsp[0].num; + } + break; + + case 41: +#line 335 "/home/drepper/gnu/elfutils/src/ldscript.y" + { + yyval.expr = new_expr (exp_id); + yyval.expr->val.str = yyvsp[0].str; + } + break; + + case 42: +#line 340 "/home/drepper/gnu/elfutils/src/ldscript.y" + { yyval.expr = new_expr (exp_sizeof_headers); } + break; + + case 43: +#line 342 "/home/drepper/gnu/elfutils/src/ldscript.y" + { yyval.expr = new_expr (exp_pagesize); } + break; + + case 44: +#line 346 "/home/drepper/gnu/elfutils/src/ldscript.y" + { + struct filename_list *newp = new_filename_listelem (yyvsp[0].str); + newp->next = yyvsp[-2].filename_list->next; + yyval.filename_list = yyvsp[-2].filename_list->next = newp; + } + break; + + case 45: +#line 352 "/home/drepper/gnu/elfutils/src/ldscript.y" + { yyval.filename_list = new_filename_listelem (yyvsp[0].str); } + break; + + case 48: +#line 360 "/home/drepper/gnu/elfutils/src/ldscript.y" + { + yyvsp[0].version->next = yyvsp[-1].version->next; + yyval.version = yyvsp[-1].version->next = yyvsp[0].version; + } + break; + + case 49: +#line 365 "/home/drepper/gnu/elfutils/src/ldscript.y" + { yyval.version = yyvsp[0].version; } + break; + + case 50: +#line 369 "/home/drepper/gnu/elfutils/src/ldscript.y" + { + yyvsp[-2].version->versionname = ""; + yyvsp[-2].version->parentname = NULL; + yyval.version = yyvsp[-2].version; + } + break; + + case 51: +#line 375 "/home/drepper/gnu/elfutils/src/ldscript.y" + { + yyvsp[-2].version->versionname = yyvsp[-4].str; + yyvsp[-2].version->parentname = NULL; + yyval.version = yyvsp[-2].version; + } + break; + + case 52: +#line 381 "/home/drepper/gnu/elfutils/src/ldscript.y" + { + yyvsp[-3].version->versionname = yyvsp[-5].str; + yyvsp[-3].version->parentname = yyvsp[-1].str; + yyval.version = yyvsp[-3].version; + } + break; + + case 53: +#line 390 "/home/drepper/gnu/elfutils/src/ldscript.y" + { yyval.version = merge_versions (yyvsp[-1].version, yyvsp[0].version); } + break; + + case 54: +#line 392 "/home/drepper/gnu/elfutils/src/ldscript.y" + { yyval.version = yyvsp[0].version; } + break; + + case 55: +#line 396 "/home/drepper/gnu/elfutils/src/ldscript.y" + { yyval.version = new_version (NULL, yyvsp[0].id_list); } + break; + + case 56: +#line 398 "/home/drepper/gnu/elfutils/src/ldscript.y" + { yyval.version = new_version (yyvsp[0].id_list, NULL); } + break; + + case 57: +#line 403 "/home/drepper/gnu/elfutils/src/ldscript.y" + { + struct id_list *newp = new_id_listelem (yyvsp[-1].str); + newp->next = yyvsp[-2].id_list->next; + yyval.id_list = yyvsp[-2].id_list->next = newp; + } + break; + + case 58: +#line 409 "/home/drepper/gnu/elfutils/src/ldscript.y" + { yyval.id_list = new_id_listelem (yyvsp[-1].str); } + break; + + case 59: +#line 413 "/home/drepper/gnu/elfutils/src/ldscript.y" + { yyval.str = yyvsp[0].str; } + break; + + case 60: +#line 415 "/home/drepper/gnu/elfutils/src/ldscript.y" + { yyval.str = yyvsp[0].str; } + break; + + case 61: +#line 419 "/home/drepper/gnu/elfutils/src/ldscript.y" + { yyval.str = yyvsp[0].str; } + break; + + case 62: +#line 421 "/home/drepper/gnu/elfutils/src/ldscript.y" + { yyval.str = NULL; } + break; + + + } + +/* Line 1000 of yacc.c. */ +#line 1654 "ldscript.c" + + yyvsp -= yylen; + yyssp -= yylen; + + + 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 + yyn = yypact[yystate]; + + if (YYPACT_NINF < yyn && yyn < YYLAST) + { + YYSIZE_T yysize = 0; + int yytype = YYTRANSLATE (yychar); + const char* yyprefix; + char *yymsg; + int yyx; + + /* 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; + int yyxend = yychecklim < YYNTOKENS ? yychecklim : YYNTOKENS; + int yycount = 0; + + yyprefix = ", expecting "; + for (yyx = yyxbegin; yyx < yyxend; ++yyx) + if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR) + { + yysize += yystrlen (yyprefix) + yystrlen (yytname [yyx]); + yycount += 1; + if (yycount == 5) + { + yysize = 0; + break; + } + } + yysize += (sizeof ("syntax error, unexpected ") + + yystrlen (yytname[yytype])); + yymsg = (char *) YYSTACK_ALLOC (yysize); + if (yymsg != 0) + { + char *yyp = yystpcpy (yymsg, "syntax error, unexpected "); + yyp = yystpcpy (yyp, yytname[yytype]); + + if (yycount < 5) + { + yyprefix = ", expecting "; + for (yyx = yyxbegin; yyx < yyxend; ++yyx) + if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR) + { + yyp = yystpcpy (yyp, yyprefix); + yyp = yystpcpy (yyp, yytname[yyx]); + yyprefix = " or "; + } + } + yyerror (yymsg); + YYSTACK_FREE (yymsg); + } + else + yyerror ("syntax error; also virtual memory exhausted"); + } + else +#endif /* YYERROR_VERBOSE */ + yyerror ("syntax error"); + } + + + + if (yyerrstatus == 3) + { + /* If just tried and failed to reuse lookahead token after an + error, discard it. */ + + if (yychar <= YYEOF) + { + /* If at end of input, pop the error token, + then the rest of the stack, then return failure. */ + if (yychar == YYEOF) + for (;;) + { + YYPOPSTACK; + if (yyssp == yyss) + YYABORT; + YYDSYMPRINTF ("Error: popping", yystos[*yyssp], yyvsp, yylsp); + yydestruct (yystos[*yyssp], yyvsp); + } + } + else + { + YYDSYMPRINTF ("Error: discarding", yytoken, &yylval, &yylloc); + yydestruct (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: + +#ifdef __GNUC__ + /* Pacify GCC when the user code never invokes YYERROR and the label + yyerrorlab therefore never appears in user code. */ + if (0) + goto yyerrorlab; +#endif + + yyvsp -= yylen; + yyssp -= yylen; + 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; + + YYDSYMPRINTF ("Error: popping", yystos[*yyssp], yyvsp, yylsp); + yydestruct (yystos[yystate], yyvsp); + YYPOPSTACK; + yystate = *yyssp; + YY_STACK_PRINT (yyss, yyssp); + } + + if (yyn == YYFINAL) + YYACCEPT; + + YYDPRINTF ((stderr, "Shifting error token, ")); + + *++yyvsp = yylval; + + + yystate = yyn; + goto yynewstate; + + +/*-------------------------------------. +| yyacceptlab -- YYACCEPT comes here. | +`-------------------------------------*/ +yyacceptlab: + yyresult = 0; + goto yyreturn; + +/*-----------------------------------. +| yyabortlab -- YYABORT comes here. | +`-----------------------------------*/ +yyabortlab: + yyresult = 1; + goto yyreturn; + +#ifndef yyoverflow +/*----------------------------------------------. +| yyoverflowlab -- parser overflow comes here. | +`----------------------------------------------*/ +yyoverflowlab: + yyerror ("parser stack overflow"); + yyresult = 2; + /* Fall through. */ +#endif + +yyreturn: +#ifndef yyoverflow + if (yyss != yyssa) + YYSTACK_FREE (yyss); +#endif + return yyresult; +} + + +#line 424 "/home/drepper/gnu/elfutils/src/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 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' in declared both local and global for unnamed version") + : gettext ("\ +symbol '%s' in 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 + { + struct version *oldp; + + add_id_list (versions->versionname, versions->local_names, true); + add_id_list (versions->versionname, versions->global_names, false); + + oldp = versions; + versions = versions->next; + } + while (versions != NULL); +} + |