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252b5132 | 1 | /* ldexp.h - |
5cc18311 KH |
2 | Copyright 1991, 92, 93, 94, 95, 98, 2000 |
3 | Free Software Foundation, Inc. | |
252b5132 RH |
4 | |
5 | This file is part of GLD, the Gnu Linker. | |
6 | ||
7 | GLD is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 2, or (at your option) | |
10 | any later version. | |
11 | ||
12 | GLD is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with GLD; see the file COPYING. If not, write to the Free | |
19 | Software Foundation, 59 Temple Place - Suite 330, Boston, MA | |
20 | 02111-1307, USA. */ | |
21 | ||
22 | #ifndef LDEXP_H | |
23 | #define LDEXP_H | |
24 | ||
25 | /* The result of an expression tree */ | |
5cc18311 | 26 | typedef struct |
252b5132 RH |
27 | { |
28 | bfd_vma value; | |
29 | struct lang_output_section_statement_struct *section; | |
30 | boolean valid_p; | |
31 | } etree_value_type; | |
32 | ||
5cc18311 | 33 | typedef struct |
252b5132 RH |
34 | { |
35 | int node_code; | |
36 | enum { etree_binary, | |
37 | etree_trinary, | |
38 | etree_unary, | |
39 | etree_name, | |
40 | etree_assign, | |
41 | etree_provide, | |
42 | etree_undef, | |
43 | etree_unspec, | |
44 | etree_value, | |
45 | etree_assert, | |
46 | etree_rel } node_class; | |
47 | } node_type; | |
48 | ||
5cc18311 | 49 | typedef union etree_union |
252b5132 RH |
50 | { |
51 | node_type type; | |
52 | struct { | |
53 | node_type type; | |
54 | union etree_union *lhs; | |
55 | union etree_union *rhs; | |
56 | } binary; | |
57 | struct { | |
58 | node_type type; | |
59 | union etree_union *cond; | |
60 | union etree_union *lhs; | |
61 | union etree_union *rhs; | |
62 | } trinary; | |
63 | struct { | |
64 | node_type type; | |
65 | CONST char *dst; | |
66 | union etree_union *src; | |
67 | } assign; | |
68 | ||
69 | struct { | |
70 | node_type type; | |
71 | union etree_union *child; | |
72 | } unary; | |
73 | struct { | |
74 | node_type type; | |
75 | CONST char *name; | |
76 | } name; | |
77 | struct { | |
78 | node_type type; | |
79 | bfd_vma value; | |
80 | } value; | |
81 | struct { | |
82 | node_type type; | |
83 | asection *section; | |
84 | bfd_vma value; | |
85 | } rel; | |
86 | struct { | |
87 | node_type type; | |
88 | union etree_union *child; | |
89 | const char *message; | |
90 | } assert_s; | |
91 | } etree_type; | |
92 | ||
252b5132 RH |
93 | etree_type *exp_intop PARAMS ((bfd_vma)); |
94 | etree_type *exp_relop PARAMS ((asection *, bfd_vma)); | |
95 | etree_value_type invalid PARAMS ((void)); | |
96 | etree_value_type exp_fold_tree PARAMS ((etree_type *, struct | |
97 | lang_output_section_statement_struct *, | |
98 | lang_phase_type, | |
99 | bfd_vma, bfd_vma *)); | |
100 | etree_type *exp_binop PARAMS ((int, etree_type *, etree_type *)); | |
101 | etree_type *exp_trinop PARAMS ((int,etree_type *, etree_type *, etree_type *)); | |
102 | etree_type *exp_unop PARAMS ((int, etree_type *)); | |
103 | etree_type *exp_nameop PARAMS ((int, CONST char *)); | |
104 | etree_type *exp_assop PARAMS ((int, CONST char *, etree_type *)); | |
105 | etree_type *exp_provide PARAMS ((const char *, etree_type *)); | |
106 | etree_type *exp_assert PARAMS ((etree_type *, const char *)); | |
107 | void exp_print_tree PARAMS ((etree_type *)); | |
108 | bfd_vma exp_get_vma PARAMS ((etree_type *, bfd_vma, char *, lang_phase_type)); | |
109 | int exp_get_value_int PARAMS ((etree_type *, int, char *,lang_phase_type)); | |
110 | bfd_vma exp_get_abs_int PARAMS ((etree_type *, int, char *,lang_phase_type)); | |
111 | ||
112 | #endif |