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95 lines
2.2 KiB
C
95 lines
2.2 KiB
C
/* This file is part of the program psim.
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Copyright (C) 1994-1995, Andrew Cagney <cagney@highland.com.au>
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This program 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 2 of the License, or
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(at your option) any later version.
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This program 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 this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef _CAP_C_
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#define _CAP_C_
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#ifndef STATIC_INLINE_CAP
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#define STATIC_INLINE_CAP STATIC_INLINE
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#endif
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#include "cap.h"
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typedef struct _cap_mapping cap_mapping;
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struct _cap_mapping {
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unsigned32 external;
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void *internal;
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cap_mapping *next;
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};
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struct _cap {
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int nr_mappings;
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cap_mapping *mappings;
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};
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INLINE_CAP cap *
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cap_create(const char *key)
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{
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return ZALLOC(cap);
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}
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INLINE_CAP void
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cap_init(cap *map)
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{
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cap_mapping *current_mapping = map->mappings;
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while (current_mapping != NULL) {
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cap_mapping *tbd = current_mapping;
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current_mapping = tbd->next;
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zfree(tbd);
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}
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map->nr_mappings = 0;
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map->mappings = (cap_mapping*)0;
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}
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INLINE_CAP void *
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cap_internal(cap *db,
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signed32 external)
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{
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cap_mapping *current_map = db->mappings;
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while (current_map != NULL) {
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if (current_map->external == external)
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return current_map->internal;
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current_map = current_map->next;
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}
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return (void*)0;
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}
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INLINE_CAP signed32
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cap_external(cap *db,
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void *internal)
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{
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cap_mapping *current_map = db->mappings;
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while (current_map != NULL) {
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if (current_map->internal == internal)
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return current_map->external;
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current_map = current_map->next;
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}
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current_map = ZALLOC(cap_mapping);
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current_map->next = db->mappings;
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current_map->internal = internal;
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db->nr_mappings += 1;
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current_map->external = db->nr_mappings;
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db->mappings = current_map;
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return current_map->external;
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}
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#endif
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