50 lines
1.6 KiB
C
50 lines
1.6 KiB
C
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/*
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* Copyright (C) 2020, Matthias Weckbecker <matthias@weckbecker.name>
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*
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* License: GNU GPL, version 2 or later.
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* See the COPYING file in the top-level directory.
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*/
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#include <inttypes.h>
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#include <assert.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <stdio.h>
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#include <glib.h>
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#include <qemu-plugin.h>
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QEMU_PLUGIN_EXPORT int qemu_plugin_version = QEMU_PLUGIN_VERSION;
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static void vcpu_syscall(qemu_plugin_id_t id, unsigned int vcpu_index,
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int64_t num, uint64_t a1, uint64_t a2,
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uint64_t a3, uint64_t a4, uint64_t a5,
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uint64_t a6, uint64_t a7, uint64_t a8)
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{
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g_autofree gchar *out = g_strdup_printf("syscall #%" PRIi64 "\n", num);
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qemu_plugin_outs(out);
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}
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static void vcpu_syscall_ret(qemu_plugin_id_t id, unsigned int vcpu_idx,
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int64_t num, int64_t ret)
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{
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g_autofree gchar *out;
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out = g_strdup_printf("syscall #%" PRIi64 " returned -> %" PRIi64 "\n",
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num, ret);
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qemu_plugin_outs(out);
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}
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/* ************************************************************************* */
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static void plugin_exit(qemu_plugin_id_t id, void *p) {}
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QEMU_PLUGIN_EXPORT int qemu_plugin_install(qemu_plugin_id_t id,
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const qemu_info_t *info,
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int argc, char **argv)
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{
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qemu_plugin_register_vcpu_syscall_cb(id, vcpu_syscall);
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qemu_plugin_register_vcpu_syscall_ret_cb(id, vcpu_syscall_ret);
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qemu_plugin_register_atexit_cb(id, plugin_exit, NULL);
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return 0;
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}
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