From f07a4c844da9f0ecae5bbee1ab94be56505f26f7 Mon Sep 17 00:00:00 2001 From: Thomas Bushnell Date: Tue, 25 Feb 1997 21:28:37 +0000 Subject: Initial source --- ddb/db_access.h | 73 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 73 insertions(+) create mode 100644 ddb/db_access.h (limited to 'ddb/db_access.h') diff --git a/ddb/db_access.h b/ddb/db_access.h new file mode 100644 index 0000000..c01b6ce --- /dev/null +++ b/ddb/db_access.h @@ -0,0 +1,73 @@ +/* + * Mach Operating System + * Copyright (c) 1991,1990 Carnegie Mellon University + * All Rights Reserved. + * + * Permission to use, copy, modify and distribute this software and its + * documentation is hereby granted, provided that both the copyright + * notice and this permission notice appear in all copies of the + * software, derivative works or modified versions, and any portions + * thereof, and that both notices appear in supporting documentation. + * + * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" + * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR + * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. + * + * Carnegie Mellon requests users of this software to return to + * + * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU + * School of Computer Science + * Carnegie Mellon University + * Pittsburgh PA 15213-3890 + * + * any improvements or extensions that they make and grant Carnegie Mellon + * the rights to redistribute these changes. + */ +/* + * Author: David B. Golub, Carnegie Mellon University + * Date: 7/90 + */ +/* + * Data access functions for debugger. + */ +#include +#include +#include +#include "vm_param.h" + +/* implementation dependent access capability */ +#define DB_ACCESS_KERNEL 0 /* only kernel space */ +#define DB_ACCESS_CURRENT 1 /* kernel or current task space */ +#define DB_ACCESS_ANY 2 /* any space */ + +#ifndef DB_ACCESS_LEVEL +#define DB_ACCESS_LEVEL DB_ACCESS_KERNEL +#endif DB_ACCESS_LEVEL + +#ifndef DB_VALID_KERN_ADDR +#define DB_VALID_KERN_ADDR(addr) ((addr) >= VM_MIN_KERNEL_ADDRESS \ + && (addr) < VM_MAX_KERNEL_ADDRESS) +#define DB_VALID_ADDRESS(addr,user) ((user != 0) ^ DB_VALID_KERN_ADDR(addr)) +#define DB_PHYS_EQ(task1,addr1,task2,addr2) 0 +#define DB_CHECK_ACCESS(addr,size,task) db_is_current_task(task) +#endif DB_VALID_KERN_ADDR + +extern int db_access_level; + +extern db_expr_t db_get_value( db_addr_t addr, + int size, + boolean_t is_signed ); + +extern void db_put_value( db_addr_t addr, + int size, + db_expr_t value ); + +extern db_expr_t db_get_task_value( db_addr_t addr, + int size, + boolean_t is_signed, + task_t task ); + +extern void db_put_task_value( db_addr_t addr, + int size, + db_expr_t value, + task_t task ); -- cgit v1.2.3