From 1ab3bdff71d130fca382d2aa181cd93c03195065 Mon Sep 17 00:00:00 2001
From: Mark <alnyan@airmail.cc>
Date: Mon, 20 Jul 2020 17:08:08 +0300
Subject: [PATCH] Add ygg_debug_trace(2)

---
 include/sys/debug.h |  3 +++
 src/sys/debug.c     | 19 +++++++++++++++++++
 2 files changed, 22 insertions(+)
 create mode 100644 include/sys/debug.h
 create mode 100644 src/sys/debug.c

diff --git a/include/sys/debug.h b/include/sys/debug.h
new file mode 100644
index 0000000..f1246ed
--- /dev/null
+++ b/include/sys/debug.h
@@ -0,0 +1,3 @@
+#pragma once
+
+void ygg_debug_trace(const char *msg, ...);
diff --git a/src/sys/debug.c b/src/sys/debug.c
new file mode 100644
index 0000000..5c55303
--- /dev/null
+++ b/src/sys/debug.c
@@ -0,0 +1,19 @@
+#include <_libc/syscalls.h>
+#include <ygg/syscall.h>
+#include <sys/ioctl.h>
+#include <stdint.h>
+#include <stdarg.h>
+#include <errno.h>
+
+void ygg_debug_trace(const char *fmt, ...) {
+    uintptr_t a0, a1, a2, a3, a4;
+    va_list args;
+    va_start(args, fmt);
+    a0 = va_arg(args, uintptr_t);
+    a1 = va_arg(args, uintptr_t);
+    a2 = va_arg(args, uintptr_t);
+    a3 = va_arg(args, uintptr_t);
+    a4 = va_arg(args, uintptr_t);
+    va_end(args);
+    __syscall6(SYSCALL_NRX_TRACE, (long) fmt, a0, a1, a2, a3, a4);
+}