ebpf-support 0.1.0

Rust support code for generating eBPF byte code .so libraries.
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// This file is part of ubpf. It is subject to the license terms in the COPYRIGHT file found in the top-level directory of this distribution and at https://raw.githubusercontent.com/lemonrock/ubpf/master/COPYRIGHT. No part of predicator, including this file, may be copied, modified, propagated, or distributed except according to the terms contained in the COPYRIGHT file.
// Copyright © 2017 The developers of ubpf. See the COPYRIGHT file in the top-level directory of this distribution and at https://raw.githubusercontent.com/lemonrock/ubpf/master/COPYRIGHT.


/// Creates a BPF_HIST global static entry.
#[macro_export]
macro_rules! BPF_HIST
{
	($NAME_table_t: ident) =>
	{
		#[no_mangle]
		#[link_section = "maps/histogram"]
		pub static mut $NAME_table_t: BPF_TABLE<i32, u64> = BPF_TABLE
		{
			key: 0,
			leaf: 0,
			lookup: None,
			lookup_or_init: None,
			insert: None,
			delete: None,
			call: None,
			increment: None,
			get_stackid: None,
			max_entries: 64,
			flags: 0,
		}
	};
	
	($NAME_table_t: ident, $key_type: ty, $key_default: expr) =>
	{
		#[no_mangle]
		#[link_section = "maps/histogram"]
		pub static mut $NAME_table_t: BPF_TABLE<$key_type, u64> = BPF_TABLE
		{
			key: $key_default,
			leaf: 0,
			lookup: None,
			lookup_or_init: None,
			insert: None,
			delete: None,
			call: None,
			increment: None,
			get_stackid: None,
			max_entries: 64,
			flags: 0,
		}
	};
	
	($NAME_table_t: ident, $key_type: ty, $key_default: expr, $max_entries: expr) =>
	{
		#[no_mangle]
		#[link_section = "maps/histogram"]
		pub static mut $NAME_table_t: BPF_TABLE<$key_type, u64> = BPF_TABLE
		{
			key: $key_default,
			leaf: 0,
			lookup: None,
			lookup_or_init: None,
			insert: None,
			delete: None,
			call: None,
			increment: None,
			get_stackid: None,
			max_entries: $max_entries,
			flags: 0,
		}
	}
}