Added bit-fields crate

Signed-off-by: Jonathan Woollett-Light <[email protected]>

Author: Jonathan Woollett-Light

Cargo.toml

@@ -1,5 +1,5 @@
 [workspace]
-members = ["src/firecracker", "src/jailer", "src/seccompiler", "src/rebase-snap"]
+members = ["src/firecracker", "src/jailer", "src/seccompiler", "src/rebase-snap", "src/bit-fields"]
 default-members = ["src/firecracker"]
 
 [profile.dev]

src/bit-fields-macros/Cargo.toml

@@ -0,0 +1,21 @@
+[package]
+name = "bit-fields-macros"
+version = "0.1.0"
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+[dependencies] 
+quote = "1.0.21"
+proc-macro2 = "1.0.43"
+
+[features]
+set_theory = []
+bit_index = []
+flag_set = []
+field_map = []
+display = []
+cmp_flags = []
+serde = ["flag_set","field_map"]
+
+[lib]
+proc-macro = true