blob: 53ee2ab6c47149739b00a4f1cb7c22e4aae5235d [file] [log] [blame]
Matthias Weckbecker279d0a52021-03-12 17:28:08 +00001/*
2 * Copyright (C) 2020, Matthias Weckbecker <matthias@weckbecker.name>
3 *
4 * License: GNU GPL, version 2 or later.
5 * See the COPYING file in the top-level directory.
6 */
7#include <inttypes.h>
8#include <assert.h>
9#include <stdlib.h>
10#include <string.h>
11#include <unistd.h>
12#include <stdio.h>
13#include <glib.h>
14
15#include <qemu-plugin.h>
16
17QEMU_PLUGIN_EXPORT int qemu_plugin_version = QEMU_PLUGIN_VERSION;
18
19static void vcpu_syscall(qemu_plugin_id_t id, unsigned int vcpu_index,
20 int64_t num, uint64_t a1, uint64_t a2,
21 uint64_t a3, uint64_t a4, uint64_t a5,
22 uint64_t a6, uint64_t a7, uint64_t a8)
23{
24 g_autofree gchar *out = g_strdup_printf("syscall #%" PRIi64 "\n", num);
25 qemu_plugin_outs(out);
26}
27
28static void vcpu_syscall_ret(qemu_plugin_id_t id, unsigned int vcpu_idx,
29 int64_t num, int64_t ret)
30{
31 g_autofree gchar *out;
32 out = g_strdup_printf("syscall #%" PRIi64 " returned -> %" PRIi64 "\n",
33 num, ret);
34 qemu_plugin_outs(out);
35}
36
37/* ************************************************************************* */
38
39static void plugin_exit(qemu_plugin_id_t id, void *p) {}
40
41QEMU_PLUGIN_EXPORT int qemu_plugin_install(qemu_plugin_id_t id,
42 const qemu_info_t *info,
43 int argc, char **argv)
44{
45 qemu_plugin_register_vcpu_syscall_cb(id, vcpu_syscall);
46 qemu_plugin_register_vcpu_syscall_ret_cb(id, vcpu_syscall_ret);
47 qemu_plugin_register_atexit_cb(id, plugin_exit, NULL);
48 return 0;
49}