Use `registers` mod

1 files changed, 31 insertions, 0 deletions

diff --git a/src/registers.rs b/src/registers.rs
new file mode 100644
index 0000000..80b4a9b
--- /dev/null
+++ b/src/registers.rs
@@ -0,0 +1,31 @@
+use nix::libc::user_regs_struct;
+
+/// Struct used to manipulate registers data from https://docs.rs/libc/0.2.147/libc/struct.user_regs_struct.html
+pub struct RegistersData {
+    orig_rax: u64,
+    rdi: u64,
+    rsi: u64,
+    rdx: u64,
+    rax: u64,
+}
+
+impl RegistersData {
+    /// Create new `RegistersData` from an `user_regs_struct`'C structure
+    pub fn new(registers: user_regs_struct) -> RegistersData {
+        RegistersData {
+            orig_rax: registers.orig_rax,
+            rdi: registers.rdi,
+            rsi: registers.rsi,
+            rdx: registers.rdx,
+            rax: registers.rax,
+        }
+    }
+
+    /// Returns a good string which shows the output for a line
+    pub fn output(&self) -> String {
+        format!(
+            "{}({:x}, {:x}, {:x}, ...) = {:x}",
+            self.orig_rax, self.rdi, self.rsi, self.rdx, self.rax
+        )
+    }
+}