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/* ldexp.h -
Copyright 1991, 1992, 1993, 1994, 1995, 1998, 1999, 2000, 2001, 2002
Free Software Foundation, Inc.
This file is part of GLD, the Gnu Linker.
GLD 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.
GLD 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 GLD; see the file COPYING. If not, write to the Free
Software Foundation, 59 Temple Place - Suite 330, Boston, MA
02111-1307, USA. */
#ifndef LDEXP_H
#define LDEXP_H
/* The result of an expression tree */
typedef struct {
bfd_vma value;
char *str;
struct lang_output_section_statement_struct *section;
bfd_boolean valid_p;
} etree_value_type;
typedef struct {
int node_code;
enum {
etree_binary,
etree_trinary,
etree_unary,
etree_name,
etree_assign,
etree_provide,
etree_provided,
etree_undef,
etree_unspec,
etree_value,
etree_assert,
etree_rel
} node_class;
} node_type;
typedef union etree_union {
node_type type;
struct {
node_type type;
union etree_union *lhs;
union etree_union *rhs;
} binary;
struct {
node_type type;
union etree_union *cond;
union etree_union *lhs;
union etree_union *rhs;
} trinary;
struct {
node_type type;
const char *dst;
union etree_union *src;
} assign;
struct {
node_type type;
union etree_union *child;
} unary;
struct {
node_type type;
const char *name;
} name;
struct {
node_type type;
bfd_vma value;
char *str;
} value;
struct {
node_type type;
asection *section;
bfd_vma value;
} rel;
struct {
node_type type;
union etree_union *child;
const char *message;
} assert_s;
} etree_type;
extern struct exp_data_seg {
enum {
exp_dataseg_none,
exp_dataseg_align_seen,
exp_dataseg_end_seen,
exp_dataseg_adjust
} phase;
bfd_vma base, end, pagesize;
} exp_data_seg;
typedef struct _fill_type fill_type;
etree_type *exp_intop
PARAMS ((bfd_vma));
etree_type *exp_bigintop
PARAMS ((bfd_vma, char *));
etree_type *exp_relop
PARAMS ((asection *, bfd_vma));
etree_value_type invalid
PARAMS ((void));
etree_value_type exp_fold_tree
PARAMS ((etree_type *, struct lang_output_section_statement_struct *,
lang_phase_type, bfd_vma, bfd_vma *));
etree_type *exp_binop
PARAMS ((int, etree_type *, etree_type *));
etree_type *exp_trinop
PARAMS ((int,etree_type *, etree_type *, etree_type *));
etree_type *exp_unop
PARAMS ((int, etree_type *));
etree_type *exp_nameop
PARAMS ((int, const char *));
etree_type *exp_assop
PARAMS ((int, const char *, etree_type *));
etree_type *exp_provide
PARAMS ((const char *, etree_type *));
etree_type *exp_assert
PARAMS ((etree_type *, const char *));
void exp_print_tree
PARAMS ((etree_type *));
bfd_vma exp_get_vma
PARAMS ((etree_type *, bfd_vma, char *, lang_phase_type));
int exp_get_value_int
PARAMS ((etree_type *, int, char *, lang_phase_type));
fill_type *exp_get_fill
PARAMS ((etree_type *, fill_type *, char *, lang_phase_type));
bfd_vma exp_get_abs_int
PARAMS ((etree_type *, int, char *, lang_phase_type));
bfd_vma align_n
PARAMS ((bfd_vma, bfd_vma));
#endif
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