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authorRichard Henderson <rth@redhat.com>1999-05-03 07:29:11 +0000
committerRichard Henderson <rth@redhat.com>1999-05-03 07:29:11 +0000
commit252b5132c753830d5fd56823373aed85f2a0db63 (patch)
tree1af963bfd8d3e55167b81def4207f175eaff3a56 /ld/ldexp.h
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19990502 sourceware importbinu_ss_19990502
Diffstat (limited to 'ld/ldexp.h')
-rw-r--r--ld/ldexp.h116
1 files changed, 116 insertions, 0 deletions
diff --git a/ld/ldexp.h b/ld/ldexp.h
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+++ b/ld/ldexp.h
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+/* ldexp.h -
+ Copyright 1991, 92, 93, 94, 95, 1998 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_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