MinSFI: Passing arguments to the entry function

src/minsfi/untrusted/start.c

Index: src/minsfi/untrusted/start.c
diff --git a/src/minsfi/untrusted/start.c b/src/minsfi/untrusted/start.c
new file mode 100644
index 0000000000000000000000000000000000000000..8aa2d250402caaf6ad570ce1a5eb3907ec69795a
--- /dev/null
+++ b/src/minsfi/untrusted/start.c
@@ -0,0 +1,20 @@
+/*
+ * Copyright (c) 2014 The Native Client Authors. All rights reserved.
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include <unistd.h>
+
+extern int main(int argc, char **argv);
+
+/*
+ * This is the true entry point for untrusted code.
+ * See nacl_startup.h for the layout at the argument pointer.

[jvoung (off chromium), 2014/09/10 17:04:29]

I don't think nacl_startup.h will describe the same layout.

You would have to point to src/minsfi/trusted/entry.c instead?

The NaCl one has info[0] == NULL, info[1] == envc, then argc/argv, then envp,
the auxv.

[dbrazdil, 2014/09/10 18:49:47]

Done.

+ */
+int _start(uint32_t info[]) {
+  int argc = info[0];
+  char **argv = (char**) (info + 1);
+
+  return main(argc, argv);
+}