110 lines
2.8 KiB
C
110 lines
2.8 KiB
C
/* ldexp.h -
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Copyright 1991, 1992, 1993 Free Software Foundation, Inc.
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This file is part of GLD, the Gnu Linker.
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GLD is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GLD is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GLD; see the file COPYING. If not, write to
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the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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#ifndef LDEXP_H
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#define LDEXP_H
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/* The result of an expression tree */
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typedef struct
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{
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bfd_vma value;
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struct lang_output_section_statement_struct *section;
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boolean valid;
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} etree_value_type;
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typedef struct
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{
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int node_code;
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enum { etree_binary,
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etree_trinary,
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etree_unary,
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etree_name,
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etree_assign,
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etree_provide,
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etree_undef,
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etree_unspec,
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etree_value,
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etree_rel } node_class;
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} node_type;
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typedef union etree_union
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{
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node_type type;
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struct {
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node_type type;
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union etree_union *lhs;
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union etree_union *rhs;
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} binary;
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struct {
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node_type type;
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union etree_union *cond;
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union etree_union *lhs;
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union etree_union *rhs;
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} trinary;
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struct {
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node_type type;
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CONST char *dst;
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union etree_union *src;
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} assign;
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struct {
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node_type type;
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union etree_union *child;
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} unary;
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struct {
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node_type type;
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CONST char *name;
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} name;
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struct {
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node_type type;
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bfd_vma value;
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} value;
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struct {
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node_type type;
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asection *section;
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bfd_vma value;
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} rel;
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} etree_type;
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etree_type *exp_intop PARAMS ((bfd_vma));
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etree_type *exp_relop PARAMS ((asection *, bfd_vma));
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etree_value_type invalid PARAMS ((void));
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etree_value_type exp_fold_tree PARAMS ((etree_type *, struct
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lang_output_section_statement_struct *,
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lang_phase_type,
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bfd_vma, bfd_vma *));
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etree_type *exp_binop PARAMS ((int, etree_type *, etree_type *));
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etree_type *exp_trinop PARAMS ((int,etree_type *, etree_type *, etree_type *));
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etree_type *exp_unop PARAMS ((int, etree_type *));
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etree_type *exp_nameop PARAMS ((int, CONST char *));
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etree_type *exp_assop PARAMS ((int, CONST char *, etree_type *));
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etree_type *exp_provide PARAMS ((const char *, etree_type *));
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void exp_print_tree PARAMS ((etree_type *));
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bfd_vma exp_get_vma PARAMS ((etree_type *, bfd_vma, char *, lang_phase_type));
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int exp_get_value_int PARAMS ((etree_type *, int, char *,lang_phase_type));
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bfd_vma exp_get_abs_int PARAMS ((etree_type *, int, char *,lang_phase_type));
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#endif
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