| 1 | /* ldexp.h -
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| 2 | Copyright 1991, 1992, 1993, 1994, 1995, 1998, 1999, 2000, 2001, 2002
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| 3 | Free Software Foundation, Inc.
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| 4 |
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| 5 | This file is part of GLD, the Gnu Linker.
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| 6 |
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| 7 | GLD is free software; you can redistribute it and/or modify
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| 8 | it under the terms of the GNU General Public License as published by
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| 9 | the Free Software Foundation; either version 2, or (at your option)
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| 10 | any later version.
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| 11 |
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| 12 | GLD is distributed in the hope that it will be useful,
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| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 15 | GNU General Public License for more details.
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| 16 |
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| 17 | You should have received a copy of the GNU General Public License
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| 18 | along with GLD; see the file COPYING. If not, write to the Free
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| 19 | Software Foundation, 59 Temple Place - Suite 330, Boston, MA
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| 20 | 02111-1307, USA. */
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| 21 |
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| 22 | #ifndef LDEXP_H
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| 23 | #define LDEXP_H
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| 24 |
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| 25 | /* The result of an expression tree */
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| 26 | typedef struct {
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| 27 | bfd_vma value;
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| 28 | char *str;
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| 29 | struct lang_output_section_statement_struct *section;
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| 30 | bfd_boolean valid_p;
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| 31 | } etree_value_type;
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| 32 |
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| 33 | typedef struct {
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| 34 | int node_code;
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| 35 | enum {
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| 36 | etree_binary,
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| 37 | etree_trinary,
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| 38 | etree_unary,
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| 39 | etree_name,
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| 40 | etree_assign,
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| 41 | etree_provide,
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| 42 | etree_provided,
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| 43 | etree_undef,
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| 44 | etree_unspec,
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| 45 | etree_value,
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| 46 | etree_assert,
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| 47 | etree_rel
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| 48 | } node_class;
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| 49 | } node_type;
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| 50 |
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| 51 | typedef union etree_union {
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| 52 | node_type type;
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| 53 | struct {
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| 54 | node_type type;
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| 55 | union etree_union *lhs;
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| 56 | union etree_union *rhs;
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| 57 | } binary;
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| 58 | struct {
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| 59 | node_type type;
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| 60 | union etree_union *cond;
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| 61 | union etree_union *lhs;
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| 62 | union etree_union *rhs;
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| 63 | } trinary;
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| 64 | struct {
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| 65 | node_type type;
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| 66 | const char *dst;
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| 67 | union etree_union *src;
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| 68 | } assign;
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| 69 | struct {
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| 70 | node_type type;
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| 71 | union etree_union *child;
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| 72 | } unary;
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| 73 | struct {
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| 74 | node_type type;
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| 75 | const char *name;
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| 76 | } name;
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| 77 | struct {
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| 78 | node_type type;
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| 79 | bfd_vma value;
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| 80 | char *str;
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| 81 | } value;
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| 82 | struct {
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| 83 | node_type type;
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| 84 | asection *section;
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| 85 | bfd_vma value;
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| 86 | } rel;
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| 87 | struct {
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| 88 | node_type type;
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| 89 | union etree_union *child;
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| 90 | const char *message;
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| 91 | } assert_s;
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| 92 | } etree_type;
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| 93 |
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| 94 | extern struct exp_data_seg {
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| 95 | enum {
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| 96 | exp_dataseg_none,
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| 97 | exp_dataseg_align_seen,
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| 98 | exp_dataseg_end_seen,
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| 99 | exp_dataseg_adjust
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| 100 | } phase;
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| 101 | bfd_vma base, end, pagesize;
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| 102 | } exp_data_seg;
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| 103 |
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| 104 | typedef struct _fill_type fill_type;
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| 105 |
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| 106 | etree_type *exp_intop
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| 107 | PARAMS ((bfd_vma));
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| 108 | etree_type *exp_bigintop
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| 109 | PARAMS ((bfd_vma, char *));
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| 110 | etree_type *exp_relop
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| 111 | PARAMS ((asection *, bfd_vma));
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| 112 | etree_value_type invalid
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| 113 | PARAMS ((void));
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| 114 | etree_value_type exp_fold_tree
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| 115 | PARAMS ((etree_type *, struct lang_output_section_statement_struct *,
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| 116 | lang_phase_type, bfd_vma, bfd_vma *));
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| 117 | etree_type *exp_binop
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| 118 | PARAMS ((int, etree_type *, etree_type *));
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| 119 | etree_type *exp_trinop
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| 120 | PARAMS ((int,etree_type *, etree_type *, etree_type *));
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| 121 | etree_type *exp_unop
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| 122 | PARAMS ((int, etree_type *));
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| 123 | etree_type *exp_nameop
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| 124 | PARAMS ((int, const char *));
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| 125 | etree_type *exp_assop
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| 126 | PARAMS ((int, const char *, etree_type *));
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| 127 | etree_type *exp_provide
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| 128 | PARAMS ((const char *, etree_type *));
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| 129 | etree_type *exp_assert
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| 130 | PARAMS ((etree_type *, const char *));
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| 131 | void exp_print_tree
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| 132 | PARAMS ((etree_type *));
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| 133 | bfd_vma exp_get_vma
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| 134 | PARAMS ((etree_type *, bfd_vma, char *, lang_phase_type));
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| 135 | int exp_get_value_int
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| 136 | PARAMS ((etree_type *, int, char *, lang_phase_type));
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| 137 | fill_type *exp_get_fill
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| 138 | PARAMS ((etree_type *, fill_type *, char *, lang_phase_type));
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| 139 | bfd_vma exp_get_abs_int
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| 140 | PARAMS ((etree_type *, int, char *, lang_phase_type));
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| 141 | bfd_vma align_n
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| 142 | PARAMS ((bfd_vma, bfd_vma));
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| 143 |
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| 144 | #endif
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