ebpf: experiments.danderson/ebpf

1 files changed, 25 insertions, 0 deletions

diff --git a/ebpf/include/linux/binfmts.h b/ebpf/include/linux/binfmts.h
new file mode 100644
index 000000000..9847a0874
--- /dev/null
+++ b/ebpf/include/linux/binfmts.h
@@ -0,0 +1,25 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+#ifndef _LINUX_BINFMTS_H
+#define _LINUX_BINFMTS_H
+
+#include <linux/capability.h>
+
+struct pt_regs;
+
+/*
+ * These are the maximum length and maximum number of strings passed to the
+ * execve() system call.  MAX_ARG_STRLEN is essentially random but serves to
+ * prevent the kernel from being unduly impacted by misaddressed pointers.
+ * MAX_ARG_STRINGS is chosen to fit in a signed 32-bit integer.
+ */
+#define MAX_ARG_STRLEN (PAGE_SIZE * 32)
+#define MAX_ARG_STRINGS 0x7FFFFFFF
+
+/* sizeof(linux_binprm->buf) */
+#define BINPRM_BUF_SIZE 256
+
+/* preserve argv0 for the interpreter  */
+#define AT_FLAGS_PRESERVE_ARGV0_BIT 0
+#define AT_FLAGS_PRESERVE_ARGV0 (1 << AT_FLAGS_PRESERVE_ARGV0_BIT)
+
+#endif /* _LINUX_BINFMTS_H */