zig/lib/libc/include/aarch64-openbsd-none/arm64/pcb.h
Alex Rønne Petersen 1311e997d4
libc: add openbsd 7.8 headers
This excludes all headers in /usr/include/dev because that directory is bonkers
huge (18M). We can add these on an as-needed basis.
2025-12-05 12:19:07 +01:00

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1.6 KiB
C
Vendored

/* $OpenBSD: pcb.h,v 1.8 2025/02/24 13:18:01 jsg Exp $ */
/*
* Copyright (c) 2016 Dale Rahn <drahn@dalerahn.com>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef _MACHINE_PCB_H_
#define _MACHINE_PCB_H_
#include <machine/frame.h>
#include <machine/reg.h>
struct trapframe;
/*
* Warning certain fields must be within 256 bytes of the beginning
* of this structure.
*/
struct pcb {
u_int pcb_flags;
#define PCB_FPU 0x00000001 /* Process had FPU initialized */
#define PCB_SINGLESTEP 0x00000002 /* Single step process */
#define PCB_SVE 0x00000004 /* Process had SVE initialized */
struct trapframe *pcb_tf;
register_t pcb_sp; /* stack pointer of switchframe */
caddr_t pcb_onfault; /* On fault handler */
struct fpreg pcb_fpstate; /* Floating Point state */
__uint16_t pcb_sve_p[16]; /* SVE predicate registers */
__uint16_t pcb_sve_ffr; /* SVE first fault register */
void *pcb_tcb;
};
#endif /* _MACHINE_PCB_H_ */