mirror of
https://codeberg.org/ziglang/zig.git
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Alex Rønne Petersen
129 lines
3.6 KiB
C
Vendored
129 lines
3.6 KiB
C
Vendored
/*-
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* Copyright (c) 2023-2025 Ruslan Bukin <br@bsdpad.com>
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*
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* This work was supported by Innovate UK project 105694, "Digital Security
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* by Design (DSbD) Technology Platform Prototype".
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/* User-visible header. */
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#include <sys/param.h>
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#include <sys/cpuset.h>
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#include <sys/types.h>
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#include <sys/hwt_record.h>
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#ifndef _SYS_HWT_H_
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#define _SYS_HWT_H_
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#define HWT_MAGIC 0x42
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#define HWT_IOC_ALLOC _IOW(HWT_MAGIC, 0x00, struct hwt_alloc)
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#define HWT_IOC_START _IOW(HWT_MAGIC, 0x01, struct hwt_start)
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#define HWT_IOC_STOP _IOW(HWT_MAGIC, 0x02, struct hwt_stop)
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#define HWT_IOC_RECORD_GET _IOW(HWT_MAGIC, 0x03, struct hwt_record_get)
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#define HWT_IOC_BUFPTR_GET _IOW(HWT_MAGIC, 0x04, struct hwt_bufptr_get)
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#define HWT_IOC_SET_CONFIG _IOW(HWT_MAGIC, 0x05, struct hwt_set_config)
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#define HWT_IOC_WAKEUP _IOW(HWT_MAGIC, 0x06, struct hwt_wakeup)
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#define HWT_IOC_SVC_BUF _IOW(HWT_MAGIC, 0x07, struct hwt_svc_buf)
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#define HWT_BACKEND_MAXNAMELEN 256
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#define HWT_MODE_THREAD 1
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#define HWT_MODE_CPU 2
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struct hwt_alloc {
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size_t bufsize;
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int mode;
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pid_t pid; /* thread mode */
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cpuset_t *cpu_map; /* cpu mode only */
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size_t cpusetsize;
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const char *backend_name;
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int *ident;
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int kqueue_fd;
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} __aligned(16);
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struct hwt_start {
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int reserved;
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} __aligned(16);
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struct hwt_stop {
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int reserved;
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} __aligned(16);
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struct hwt_wakeup {
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int reserved;
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} __aligned(16);
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struct hwt_record_user_entry {
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enum hwt_record_type record_type;
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union {
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/*
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* Used for MMAP, EXECUTABLE, INTERP,
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* and KERNEL records.
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*/
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struct {
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char fullpath[MAXPATHLEN];
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uintptr_t addr;
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uintptr_t baseaddr;
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};
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/* Used for BUFFER records. */
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struct {
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int buf_id;
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int curpage;
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vm_offset_t offset;
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};
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/* Used for THREAD_* records. */
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int thread_id;
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};
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} __aligned(16);
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struct hwt_record_get {
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struct hwt_record_user_entry *records;
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int *nentries;
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int wait;
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} __aligned(16);
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struct hwt_bufptr_get {
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int *ident;
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vm_offset_t *offset;
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uint64_t *data;
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} __aligned(16);
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struct hwt_set_config {
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/* Configuration of ctx. */
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int pause_on_mmap;
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/* The following passed to backend as is. */
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void *config;
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size_t config_size;
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int config_version;
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} __aligned(16);
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struct hwt_svc_buf {
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/* The following passed to backend as is. */
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void *data;
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size_t data_size;
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int data_version;
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} __aligned(16);
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#endif /* !_SYS_HWT_H_ */ |