diff options
Diffstat (limited to 'sim/ppc/cap.c')
-rw-r--r-- | sim/ppc/cap.c | 134 |
1 files changed, 0 insertions, 134 deletions
diff --git a/sim/ppc/cap.c b/sim/ppc/cap.c deleted file mode 100644 index a3be304..0000000 --- a/sim/ppc/cap.c +++ /dev/null @@ -1,134 +0,0 @@ -/* This file is part of the program psim. - - Copyright (C) 1994-1995,1997, Andrew Cagney <cagney@highland.com.au> - - This program 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 of the License, or - (at your option) any later version. - - This program 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 this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - - */ - - -#ifndef _CAP_C_ -#define _CAP_C_ - -#include "cap.h" - -typedef struct _cap_mapping cap_mapping; -struct _cap_mapping { - unsigned_cell external; - void *internal; - cap_mapping *next; -}; - -struct _cap { - int nr_mappings; - cap_mapping *mappings; -}; - -INLINE_CAP\ -(cap *) -cap_create(const char *key) -{ - return ZALLOC(cap); -} - -INLINE_CAP\ -(void) -cap_init(cap *db) -{ - cap_mapping *current_map = db->mappings; - if (current_map != NULL) { - db->nr_mappings = db->mappings->external; - /* verify that the mappings that were not removed are in sequence - down to nr 1 */ - while (current_map->next != NULL) { - if (current_map->external != current_map->next->external + 1) - error("cap: cap database possibly corrupt"); - current_map = current_map->next; - } - ASSERT(current_map->next == NULL); - if (current_map->external != 1) - error("cap: cap database possibly currupt"); - } - else { - db->nr_mappings = 0; - } -} - -INLINE_CAP\ -(void *) -cap_internal(cap *db, - signed_cell external) -{ - cap_mapping *current_map = db->mappings; - while (current_map != NULL) { - if (current_map->external == external) - return current_map->internal; - current_map = current_map->next; - } - return (void*)0; -} - -INLINE_CAP\ -(signed_cell) -cap_external(cap *db, - void *internal) -{ - cap_mapping *current_map = db->mappings; - while (current_map != NULL) { - if (current_map->internal == internal) - return current_map->external; - current_map = current_map->next; - } - return 0; -} - -INLINE_CAP\ -(void) -cap_add(cap *db, - void *internal) -{ - if (cap_external(db, internal) != 0) { - error("cap: attempting to add an object already in the data base"); - } - else { - /* insert at the front making things in decending order */ - cap_mapping *new_map = ZALLOC(cap_mapping); - new_map->next = db->mappings; - new_map->internal = internal; - db->nr_mappings += 1; - new_map->external = db->nr_mappings; - db->mappings = new_map; - } -} - -INLINE_CAP\ -(void) -cap_remove(cap *db, - void *internal) -{ - cap_mapping **current_map = &db->mappings; - while (*current_map != NULL) { - if ((*current_map)->internal == internal) { - cap_mapping *delete = *current_map; - *current_map = delete->next; - zfree(delete); - return; - } - current_map = &(*current_map)->next; - } - error("cap: attempt to remove nonexistant internal object"); -} - -#endif |