diff options
Diffstat (limited to 'kern/syscall_sw.h')
| -rw-r--r-- | kern/syscall_sw.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/kern/syscall_sw.h b/kern/syscall_sw.h new file mode 100644 index 00000000..6a21ff56 --- /dev/null +++ b/kern/syscall_sw.h @@ -0,0 +1,51 @@ +/* + * Mach Operating System + * Copyright (c) 1991,1990,1989,1988,1987 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. + */ + +#ifndef _KERN_SYSCALL_SW_H_ +#define _KERN_SYSCALL_SW_H_ + +/* + * mach_trap_stack indicates the trap may discard + * its kernel stack. Some architectures may need + * to save more state in the pcb for these traps. + */ + +typedef struct { + int mach_trap_arg_count; + int (*mach_trap_function)(); + boolean_t mach_trap_stack; + int mach_trap_unused; +} mach_trap_t; + +extern mach_trap_t mach_trap_table[]; +extern int mach_trap_count; + +#define MACH_TRAP(name, arg_count) \ + { (arg_count), (int (*)()) (name), FALSE, 0 } +#define MACH_TRAP_STACK(name, arg_count) \ + { (arg_count), (int (*)()) (name), TRUE, 0 } + +#endif _KERN_SYSCALL_SW_H_ |