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/* ldexp.h -
Copyright (C) 1991 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 1, 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, 675 Mass Ave, Cambridge, MA 02139, USA. */
/* The result of an expression tree */
typedef struct
{
bfd_vma value;
struct lang_output_section_statement_struct *section;
boolean valid;
} etree_value_type;
typedef struct
{
int node_code;
enum { etree_binary,
etree_trinary,
etree_unary,
etree_name,
etree_assign,
etree_undef,
etree_unspec,
etree_value } 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;
char *dst;
union etree_union *src;
} assign;
struct {
node_type type;
union etree_union *child;
} unary;
struct {
node_type type;
char *name;
} name;
struct {
node_type type;
bfd_vma value;
} value;
} etree_type;
PROTO(etree_type *,exp_intop,(bfd_vma));
PROTO(etree_value_type, invalid,(void));
PROTO(etree_value_type, exp_fold_tree,(etree_type *, struct
lang_output_section_statement_struct *, lang_phase_type,
bfd_vma, bfd_vma *));
PROTO(etree_type *, exp_binop,(int, etree_type *, etree_type *));
PROTO(etree_type *,exp_trinop,(int,etree_type *, etree_type *, etree_type *));
PROTO(etree_type *,exp_unop,(int, etree_type *));
PROTO(etree_type *,exp_nameop,(int, char *));
PROTO(etree_type *,exp_assop,(int, char *, etree_type *));
PROTO(void, exp_print_tree,(struct _iobuf *, etree_type *));
PROTO(bfd_vma, exp_get_vma,(etree_type *, bfd_vma, char *, enum boolean));
PROTO(int, exp_get_value_int,(etree_type *, int, char *, enum boolean));
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