From d27ad4df1b0acae12acd4eb97da128d8cf2b9fac Mon Sep 17 00:00:00 2001
From: Jonas <felberj@users.noreply.github.com>
Date: Fri, 8 Mar 2019 02:28:19 -0500
Subject: [PATCH] Added x86Msr functions for the go bindings (#986)

Backports commit d6d413187324e8d9dc852f62016863a44b240a7e from unicorn.
---
 bindings/go/unicorn/unicorn.go |  2 ++
 bindings/go/unicorn/x86.go     | 16 ++++++++++++++++
 2 files changed, 18 insertions(+)

diff --git a/bindings/go/unicorn/unicorn.go b/bindings/go/unicorn/unicorn.go
index 28bd467f..5c20ab69 100644
--- a/bindings/go/unicorn/unicorn.go
+++ b/bindings/go/unicorn/unicorn.go
@@ -60,6 +60,8 @@ type Unicorn interface {
 	ContextSave(reuse Context) (Context, error)
 	ContextRestore(Context) error
 	Handle() *C.uc_engine
+	RegWriteX86Msr(reg uint64, val uint64) error
+	RegReadX86Msr(reg uint64) (uint64, error)
 }
 
 type uc struct {
diff --git a/bindings/go/unicorn/x86.go b/bindings/go/unicorn/x86.go
index 9097de2a..7ffa25d2 100644
--- a/bindings/go/unicorn/x86.go
+++ b/bindings/go/unicorn/x86.go
@@ -36,3 +36,19 @@ func (u *uc) RegReadMmr(reg int) (*X86Mmr, error) {
 	}
 	return ret, errReturn(ucerr)
 }
+
+func (u *uc) RegWriteX86Msr(reg uint64, val uint64) error {
+	msr := C.uc_x86_msr{
+		rid:   C.uint32_t(reg),
+		value: C.uint64_t(val),
+	}
+	return errReturn(C.uc_reg_write(u.handle, X86_REG_MSR, unsafe.Pointer(&msr)))
+}
+
+func (u *uc) RegReadX86Msr(reg uint64) (uint64, error) {
+	msr := C.uc_x86_msr{
+		rid: C.uint32_t(reg),
+	}
+	ucerr := C.uc_reg_read(u.handle, X86_REG_MSR, unsafe.Pointer(&msr))
+	return uint64(msr.value), errReturn(ucerr)
+}