1 files changed, 36 insertions, 0 deletions
diff --git a/nonstd/__linux.h b/nonstd/__linux.h
new file mode 100644
index 00000000..4684b17f
--- /dev/null
+++ b/nonstd/__linux.h
@@ -0,0 +1,36 @@
+#include <stdarg.h>
+#include <stddef.h>
+#include <errno.h>
+#include <string.h>
+
+#ifndef ENOSYS
+#define ENOSYS 62
+#endif
+
+extern long __syscall_x86_64(long, ...);
+#define __linux_syscall __syscall_x86_64
+#define __syscall __linux_syscall
+
+static long __syscall_lookup(const char *call)
+{
+	const char *__syscalls[] = {
+		[0] = "read",
+		[1] = "write",
+		[2] = "open",
+		[3] = "close",
+		[4] = "stat",
+		[5] = "fstat",
+		[6] = "lstat",
+		[9] = "mmap",
+		[60] = "exit",
+		[201] = "time",
+	};
+
+	size_t i;
+	for (i = 0; i < sizeof(__syscalls) / sizeof(__syscalls[0]); i++) {
+		if (__syscalls[i] && !strcmp(__syscalls[i], call)) {
+			return i;
+		}
+	}
+	return -1;
+}