From 970bfcc7d8b9991430caa7ab33975617f3f4c40d Mon Sep 17 00:00:00 2001
From: Charles Davis <cdavis@mines.edu>
Date: Mon, 25 Oct 2010 15:37:09 +0000
Subject: Add a new 'hotpatch' attribute. This attribute will insert a two-byte
 no-op instruction at the beginning of each function that has the attribute,
 allowing the function to be easily hooked and/or patched.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117264 91177308-0d34-0410-b5e6-96231b3b80d8
---
 docs/LangRef.html | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'docs')

diff --git a/docs/LangRef.html b/docs/LangRef.html
index e5db8c6..c2ee701 100644
--- a/docs/LangRef.html
+++ b/docs/LangRef.html
@@ -1131,6 +1131,11 @@ define void @f() optsize { ... }
       function into callers whenever possible, ignoring any active inlining size
       threshold for this caller.</dd>
 
+  <dt><tt><b>hotpatch</b></tt></dt>
+  <dd>This attribute indicates that the prologue should contain a 'hotpatch'
+      sequence at the beginning. This is the same sequence used in the
+      system DLLs in Microsoft Windows XP Service Pack 2 and higher.</dd>
+
   <dt><tt><b>inlinehint</b></tt></dt>
   <dd>This attribute indicates that the source code contained a hint that inlining
       this function is desirable (such as the "inline" keyword in C/C++).  It
-- 
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