From bd6a2a12547a508b456b4a1c634b7a089ac304e5 Mon Sep 17 00:00:00 2001
From: Spencer Tipping <spencer.tipping@gmail.com>
Date: Thu, 9 Mar 2017 22:27:32 -0700
Subject: [PATCH] Minor fixes

---
 README.md  | 4 ++--
 jitproto.c | 6 +++---
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/README.md b/README.md
index 50052b0..72fb10d 100644
--- a/README.md
+++ b/README.md
@@ -376,7 +376,7 @@ fn compile_identity(void) {
   // ret
   memory[i++] = 0xc3;           // RET opcode
 
-  return (long(*)(long)) memory;
+  return (fn) memory;
 }
 
 int main() {
@@ -384,7 +384,7 @@ int main() {
   int i;
   for (i = 0; i < 10; ++i)
     printf("f(%d) = %ld\n", i, (*f)(i));
-  munmap((void*) f, 4096);
+  munmap(f, 4096);
   return 0;
 }
 ```
diff --git a/jitproto.c b/jitproto.c
index ddb950f..49cdcee 100644
--- a/jitproto.c
+++ b/jitproto.c
@@ -26,12 +26,12 @@ fn compile_identity(void) {
   // mov %rdi, %rax
   memory[i++] = 0x48;           // REX.W prefix
   memory[i++] = 0x8b;           // MOV opcode, register/register
-  memory[i++] = 0xc7;           // MOD/RM byte for %rsi -> %rax
+  memory[i++] = 0xc7;           // MOD/RM byte for %rdi -> %rax
 
   // ret
   memory[i++] = 0xc3;           // RET opcode
 
-  return (long(*)(long)) memory;
+  return (fn) memory;
 }
 
 int main() {
@@ -39,6 +39,6 @@ int main() {
   int i;
   for (i = 0; i < 10; ++i)
     printf("f(%d) = %ld\n", i, (*f)(i));
-  munmap((void*) f, 4096);
+  munmap(f, 4096);
   return 0;
 }