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/* script-c.h -- C interface for linker scripts in gold. */
/* Copyright 2006, 2007, 2008 Free Software Foundation, Inc.
Written by Ian Lance Taylor <iant@google.com>.
This file is part of gold.
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, write to the Free Software
Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
MA 02110-1301, USA. */
/* This file exists so that both the bison parser and script.cc can
include it, so that they can communicate back and forth. */
#ifndef GOLD_SCRIPT_C_H
#define GOLD_SCRIPT_C_H
#ifdef __cplusplus
extern "C" {
#endif
/* A string value for the bison parser. */
struct Parser_string
{
const char* value;
size_t length;
};
/* The expression functions deal with pointers to Expression objects.
Since the bison parser generates C code, this is a hack to keep the
C++ code type safe. This hacks assumes that all pointers look
alike. */
#ifdef __cplusplus
namespace gold
{
class Expression;
}
typedef gold::Expression* Expression_ptr;
#else
typedef void* Expression_ptr;
#endif
/* The bison parser definitions. */
#include "yyscript.h"
/* The bison parser function. */
extern int
yyparse(void* closure);
/* Called by the bison parser skeleton to return the next token. */
extern int
yylex(YYSTYPE*, void* closure);
/* Called by the bison parser skeleton to report an error. */
extern void
yyerror(void* closure, const char*);
/* Called by the bison parser to add a file to the link. */
extern void
script_add_file(void* closure, const char*, size_t);
/* Called by the bison parser to start and stop a group. */
extern void
script_start_group(void* closure);
extern void
script_end_group(void* closure);
/* Called by the bison parser to start and end an AS_NEEDED list. */
extern void
script_start_as_needed(void* closure);
extern void
script_end_as_needed(void* closure);
/* Called by the bison parser to set the entry symbol. */
extern void
script_set_entry(void* closure, const char*, size_t);
/* Called by the bison parser to parse an OPTION. */
extern void
script_parse_option(void* closure, const char*, size_t);
/* Called by the bison parser to push the lexer into expression
mode. */
extern void
script_push_lex_into_expression_mode(void* closure);
/* Called by the bison parser to push the lexer into version
mode. */
extern void
script_push_lex_into_version_mode(void* closure);
/* Called by the bison parser to pop the lexer mode. */
extern void
script_pop_lex_mode(void* closure);
/* Called by the bison parser to set a symbol to a value. PROVIDE is
non-zero if the symbol should be provided--only defined if there is
an undefined reference. HIDDEN is non-zero if the symbol should be
hidden. */
extern void
script_set_symbol(void* closure, const char*, size_t, Expression_ptr,
int provide, int hidden);
/* Called by the bison parser for expressions. */
extern Expression_ptr
script_exp_unary_minus(Expression_ptr);
extern Expression_ptr
script_exp_unary_logical_not(Expression_ptr);
extern Expression_ptr
script_exp_unary_bitwise_not(Expression_ptr);
extern Expression_ptr
script_exp_binary_mult(Expression_ptr, Expression_ptr);
extern Expression_ptr
script_exp_binary_div(Expression_ptr, Expression_ptr);
extern Expression_ptr
script_exp_binary_mod(Expression_ptr, Expression_ptr);
extern Expression_ptr
script_exp_binary_add(Expression_ptr, Expression_ptr);
extern Expression_ptr
script_exp_binary_sub(Expression_ptr, Expression_ptr);
extern Expression_ptr
script_exp_binary_lshift(Expression_ptr, Expression_ptr);
extern Expression_ptr
script_exp_binary_rshift(Expression_ptr, Expression_ptr);
extern Expression_ptr
script_exp_binary_eq(Expression_ptr, Expression_ptr);
extern Expression_ptr
script_exp_binary_ne(Expression_ptr, Expression_ptr);
extern Expression_ptr
script_exp_binary_le(Expression_ptr, Expression_ptr);
extern Expression_ptr
script_exp_binary_ge(Expression_ptr, Expression_ptr);
extern Expression_ptr
script_exp_binary_lt(Expression_ptr, Expression_ptr);
extern Expression_ptr
script_exp_binary_gt(Expression_ptr, Expression_ptr);
extern Expression_ptr
script_exp_binary_bitwise_and(Expression_ptr, Expression_ptr);
extern Expression_ptr
script_exp_binary_bitwise_xor(Expression_ptr, Expression_ptr);
extern Expression_ptr
script_exp_binary_bitwise_or(Expression_ptr, Expression_ptr);
extern Expression_ptr
script_exp_binary_logical_and(Expression_ptr, Expression_ptr);
extern Expression_ptr
script_exp_binary_logical_or(Expression_ptr, Expression_ptr);
extern Expression_ptr
script_exp_trinary_cond(Expression_ptr, Expression_ptr, Expression_ptr);
extern Expression_ptr
script_exp_integer(uint64_t);
extern Expression_ptr
script_exp_string(const char*, size_t);
extern Expression_ptr
script_exp_function_max(Expression_ptr, Expression_ptr);
extern Expression_ptr
script_exp_function_min(Expression_ptr, Expression_ptr);
extern Expression_ptr
script_exp_function_defined(const char*, size_t);
extern Expression_ptr
script_exp_function_sizeof_headers();
extern Expression_ptr
script_exp_function_alignof(const char*, size_t);
extern Expression_ptr
script_exp_function_sizeof(const char*, size_t);
extern Expression_ptr
script_exp_function_addr(const char*, size_t);
extern Expression_ptr
script_exp_function_loadaddr(const char*, size_t);
extern Expression_ptr
script_exp_function_origin(const char*, size_t);
extern Expression_ptr
script_exp_function_length(const char*, size_t);
extern Expression_ptr
script_exp_function_constant(const char*, size_t);
extern Expression_ptr
script_exp_function_absolute(Expression_ptr);
extern Expression_ptr
script_exp_function_align(Expression_ptr, Expression_ptr);
extern Expression_ptr
script_exp_function_data_segment_align(Expression_ptr, Expression_ptr);
extern Expression_ptr
script_exp_function_data_segment_relro_end(Expression_ptr, Expression_ptr);
extern Expression_ptr
script_exp_function_data_segment_end(Expression_ptr);
extern Expression_ptr
script_exp_function_segment_start(const char*, size_t, Expression_ptr);
extern Expression_ptr
script_exp_function_assert(Expression_ptr, const char*, size_t);
struct Version_dependency_list;
struct Version_expression_list;
struct Version_tree;
extern void
script_register_vers_node(void* closure,
const char* tag,
int taglen,
struct Version_tree *,
struct Version_dependency_list *);
extern struct Version_dependency_list *
script_add_vers_depend(void* closure,
struct Version_dependency_list *existing_dependencies,
const char *depend_to_add, int deplen);
extern struct Version_expression_list *
script_new_vers_pattern(void* closure,
struct Version_expression_list *,
const char *, int);
extern struct Version_tree *
script_new_vers_node(void* closure,
struct Version_expression_list *global,
struct Version_expression_list *local);
extern void
version_script_push_lang(void* closure, const char* lang, int langlen);
extern void
version_script_pop_lang(void* closure);
#ifdef __cplusplus
}
#endif
#endif /* !defined(GOLD_SCRIPT_C_H) */
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