2 Copyright 1991, 1992, 1993, 1994, 1995, 1998, 1999, 2000, 2001, 2002,
3 2003, 2004, 2005 Free Software Foundation, Inc.
5 This file is part of GLD, the Gnu Linker.
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)
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.
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, 51 Franklin Street - Fifth Floor, Boston, MA
25 /* The result of an expression tree */
49 typedef union etree_union {
53 union etree_union *lhs;
54 union etree_union *rhs;
58 union etree_union *cond;
59 union etree_union *lhs;
60 union etree_union *rhs;
65 union etree_union *src;
70 union etree_union *child;
88 union etree_union *child;
94 lang_first_phase_enum,
96 lang_allocating_phase_enum,
100 struct ldexp_control {
101 /* Modify expression evaluation depending on this. */
102 lang_phase_type phase;
104 /* Principally used for diagnostics. */
105 bfd_boolean assigning_to_dot;
107 /* Working results. */
108 etree_value_type result;
111 /* Current dot and section passed to ldexp folder. */
115 /* State machine and results for DATASEG. */
119 exp_dataseg_align_seen,
120 exp_dataseg_relro_seen,
121 exp_dataseg_end_seen,
122 exp_dataseg_relro_adjust,
126 bfd_vma base, min_base, relro_end, end, pagesize, maxpagesize;
130 extern struct ldexp_control expld;
132 /* A maps from a segment name to a base address. */
133 typedef struct segment_struct {
134 /* The next segment in the linked list. */
135 struct segment_struct *next;
136 /* The name of the sgement. */
138 /* The base address for the segment. */
140 /* True if a SEGMENT_START directive corresponding to this segment
145 /* The segments specified by the user on the command-line. */
146 extern segment_type *segments;
148 typedef struct _fill_type fill_type;
150 etree_type *exp_intop
152 etree_type *exp_bigintop
154 etree_type *exp_relop
155 (asection *, bfd_vma);
157 (etree_type *, asection *, bfd_vma *);
158 etree_type *exp_binop
159 (int, etree_type *, etree_type *);
160 etree_type *exp_trinop
161 (int,etree_type *, etree_type *, etree_type *);
164 etree_type *exp_nameop
166 etree_type *exp_assop
167 (int, const char *, etree_type *);
168 etree_type *exp_provide
169 (const char *, etree_type *, bfd_boolean);
170 etree_type *exp_assert
171 (etree_type *, const char *);
175 (etree_type *, bfd_vma, char *);
176 int exp_get_value_int
177 (etree_type *, int, char *);
178 fill_type *exp_get_fill
179 (etree_type *, fill_type *, char *);
180 bfd_vma exp_get_abs_int
181 (etree_type *, int, char *);