100 lines
2.4 KiB
C
100 lines
2.4 KiB
C
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/* ldexp.h -
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Copyright (C) 1991 Free Software Foundation, Inc.
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This file is part of GLD, the Gnu Linker.
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GLD is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 1, or (at your option)
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any later version.
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GLD is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GLD; see the file COPYING. If not, write to
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the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
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/* The result of an expression tree */
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typedef struct
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{
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bfd_vma value;
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struct lang_output_section_statement_struct *section;
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boolean valid;
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} etree_value_type;
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typedef struct
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{
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int node_code;
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enum { etree_binary,
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etree_trinary,
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etree_unary,
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etree_name,
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etree_assign,
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etree_undef,
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etree_unspec,
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etree_value } node_class;
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} node_type;
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typedef union etree_union
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{
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node_type type;
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struct {
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node_type type;
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union etree_union *lhs;
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union etree_union *rhs;
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} binary;
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struct {
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node_type type;
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union etree_union *cond;
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union etree_union *lhs;
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union etree_union *rhs;
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} trinary;
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struct {
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node_type type;
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char *dst;
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union etree_union *src;
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} assign;
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struct {
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node_type type;
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union etree_union *child;
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} unary;
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struct {
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node_type type;
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char *name;
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} name;
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struct {
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node_type type;
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bfd_vma value;
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} value;
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} etree_type;
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PROTO(etree_type *,exp_intop,(bfd_vma));
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PROTO(etree_value_type, invalid,(void));
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PROTO(etree_value_type, exp_fold_tree,(etree_type *, struct
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lang_output_section_statement_struct *, lang_phase_type,
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bfd_vma, bfd_vma *));
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PROTO(etree_type *, exp_binop,(int, etree_type *, etree_type *));
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PROTO(etree_type *,exp_trinop,(int,etree_type *, etree_type *, etree_type *));
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PROTO(etree_type *,exp_unop,(int, etree_type *));
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PROTO(etree_type *,exp_nameop,(int, char *));
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PROTO(etree_type *,exp_assop,(int, char *, etree_type *));
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PROTO(void, exp_print_tree,(struct _iobuf *, etree_type *));
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PROTO(bfd_vma, exp_get_vma,(etree_type *, bfd_vma, char *, enum boolean));
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PROTO(int, exp_get_value_int,(etree_type *, int, char *, enum boolean));
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