From 89838362bc43352c1cc2b5e6bc970aa0137cbc3b Mon Sep 17 00:00:00 2001
From: iximeow <me@iximeow.net>
Date: Thu, 28 Mar 2019 02:39:25 -0700
Subject: support eflags, helpers to get RegSpec for *ax and rdx as well as
 {r,e}flags

---
 src/lib.rs | 67 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++-----
 1 file changed, 62 insertions(+), 5 deletions(-)

(limited to 'src')

diff --git a/src/lib.rs b/src/lib.rs
index 1d9c537..52ec5a6 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -11,7 +11,7 @@ use std::hint::unreachable_unchecked;
 
 use yaxpeax_arch::{Arch,  ColorSettings, Decodable, LengthedInstruction};
 
-#[derive(Copy, Clone, Debug, Eq, PartialEq)]
+#[derive(Copy, Clone, Debug, Eq, PartialEq, Hash)]
 pub struct RegSpec {
     pub num: u8,
     pub bank: RegisterBank
@@ -37,7 +37,7 @@ impl RegSpec {
     }
 
     #[inline]
-    fn RIP() -> RegSpec {
+    pub fn RIP() -> RegSpec {
         RegSpec {
             num: 0,
             bank: RegisterBank::RIP
@@ -45,12 +45,69 @@ impl RegSpec {
     }
 
     #[inline]
-    fn EIP() -> RegSpec {
+    pub fn EIP() -> RegSpec {
         RegSpec {
             num: 0,
             bank: RegisterBank::EIP
         }
     }
+
+    #[inline]
+    pub fn eflags() -> RegSpec {
+        RegSpec {
+            num: 0,
+            bank: RegisterBank::EFlags
+        }
+    }
+
+    #[inline]
+    pub fn rflags() -> RegSpec {
+        RegSpec {
+            num: 0,
+            bank: RegisterBank::RFlags
+        }
+    }
+
+    #[inline]
+    pub fn rbp() -> RegSpec {
+        RegSpec {
+            num: 5,
+            bank: RegisterBank::RFlags
+        }
+    }
+
+    #[inline]
+    pub fn rsp() -> RegSpec {
+        RegSpec {
+            num: 4,
+            bank: RegisterBank::RFlags
+        }
+    }
+
+    #[inline]
+    pub fn rax() -> RegSpec {
+        RegSpec { bank: RegisterBank::Q, num: 0 }
+    }
+
+    #[inline]
+    pub fn rdx() -> RegSpec {
+        RegSpec { bank: RegisterBank::Q, num: 2 }
+    }
+
+    #[inline]
+    pub fn eax() -> RegSpec {
+        RegSpec { bank: RegisterBank::D, num: 0 }
+    }
+
+    #[inline]
+    pub fn ax() -> RegSpec {
+        RegSpec { bank: RegisterBank::W, num: 0 }
+    }
+
+    #[inline]
+    pub fn al() -> RegSpec {
+        RegSpec { bank: RegisterBank::B, num: 0 }
+    }
 }
 
 #[allow(non_camel_case_types)]
@@ -86,10 +143,10 @@ pub enum Operand {
     Nothing
 }
 
-#[derive(Copy, Clone, Debug, Eq, PartialEq)]
+#[derive(Copy, Clone, Debug, Eq, PartialEq, Hash)]
 pub enum RegisterBank {
     Q, D, W, B, rB, // Quadword, Dword, Word, Byte
-    CR, DR, S, EIP, RIP,  // Control reg, Debug reg, Selector, ...
+    CR, DR, S, EIP, RIP, EFlags, RFlags,  // Control reg, Debug reg, Selector, ...
     X, Y, Z,    // XMM, YMM, ZMM
     ST, MM,     // ST, MM regs (x87, mmx)
 }
-- 
cgit v1.1