mirror of
https://codeberg.org/ziglang/zig.git
synced 2025-12-07 14:24:43 +00:00
6e64bc845f
osreldate.h and sys/param.h were manually adjusted to not __FreeBSD_version since it will be defined by the compiler.
86 lines
No EOL
2.3 KiB
C
Vendored
86 lines
No EOL
2.3 KiB
C
Vendored
/*-
|
|
* Copyright (c) 2000, 2001 Ben Harris
|
|
* Copyright (c) 1996 Scott K. Stevens
|
|
*
|
|
* 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 the
|
|
* rights to redistribute these changes.
|
|
*/
|
|
|
|
#ifndef _MACHINE_STACK_H_
|
|
#define _MACHINE_STACK_H_
|
|
|
|
#define INKERNEL(va) (((vm_offset_t)(va)) >= VM_MIN_KERNEL_ADDRESS)
|
|
|
|
#define FR_SCP (0)
|
|
#define FR_RLV (-1)
|
|
#define FR_RSP (-2)
|
|
#define FR_RFP (-3)
|
|
|
|
/* The state of the unwind process */
|
|
struct unwind_state {
|
|
uint32_t registers[16];
|
|
uint32_t start_pc;
|
|
uint32_t *insn;
|
|
u_int entries;
|
|
u_int byte;
|
|
uint16_t update_mask;
|
|
};
|
|
|
|
/* The register names */
|
|
#define FP 11
|
|
#define SP 13
|
|
#define LR 14
|
|
#define PC 15
|
|
|
|
#ifdef _KERNEL
|
|
|
|
int unwind_stack_one(struct unwind_state *, int);
|
|
|
|
struct linker_file;
|
|
void unwind_module_loaded(struct linker_file *);
|
|
void unwind_module_unloaded(struct linker_file *);
|
|
|
|
#ifdef _SYS_PROC_H_
|
|
|
|
#include <machine/pcb.h>
|
|
|
|
/* Get the current kernel thread stack usage. */
|
|
#define GET_STACK_USAGE(total, used) do { \
|
|
struct thread *td = curthread; \
|
|
(total) = td->td_kstack_pages * PAGE_SIZE - sizeof(struct pcb); \
|
|
(used) = td->td_kstack + (total) - (vm_offset_t)&td; \
|
|
} while (0)
|
|
|
|
static __inline bool
|
|
kstack_contains(struct thread *td, vm_offset_t va, size_t len)
|
|
{
|
|
return (va >= td->td_kstack && va + len >= va &&
|
|
va + len <= td->td_kstack + td->td_kstack_pages * PAGE_SIZE -
|
|
sizeof(struct pcb));
|
|
}
|
|
#endif /* _SYS_PROC_H_ */
|
|
|
|
#endif
|
|
|
|
#endif /* !_MACHINE_STACK_H_ */ |