summaryrefslogtreecommitdiffstats
path: root/contrib/binutils/ld/ldexp.h
blob: 36f88f8b24fe1b24c5bfa2679715a2ca690dfcf8 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
/* ldexp.h -
   Copyright 1991, 1992, 1993, 1994, 1995, 1998, 1999, 2000, 2001
   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;
  struct lang_output_section_statement_struct *section;
  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;
  } 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;

etree_type *exp_intop PARAMS ((bfd_vma));
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));
bfd_vma exp_get_abs_int PARAMS ((etree_type *, int, char *, lang_phase_type));

#endif
OpenPOWER on IntegriCloud