[llvm-commits] [llvm] r117286 - /llvm/trunk/docs/LangRef.html
Charles Davis
cdavis at mines.edu
Mon Oct 25 12:07:39 PDT 2010
Author: cdavis
Date: Mon Oct 25 14:07:39 2010
New Revision: 117286
URL: http://llvm.org/viewvc/llvm-project?rev=117286&view=rev
Log:
Make the description of the hotpatch attribute even more generic. Spotted by
Michael Spencer.
Modified:
llvm/trunk/docs/LangRef.html
Modified: llvm/trunk/docs/LangRef.html
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/docs/LangRef.html?rev=117286&r1=117285&r2=117286&view=diff
==============================================================================
--- llvm/trunk/docs/LangRef.html (original)
+++ llvm/trunk/docs/LangRef.html Mon Oct 25 14:07:39 2010
@@ -1133,10 +1133,11 @@
<dt><tt><b>hotpatch</b></tt></dt>
<dd>This attribute indicates that the function should be 'hotpatchable',
- meaning the function can be patched even while it is loaded into memory.
- On x86, the function prologue will contain a two-byte no-op sequence;
- this is the same sequence used in the system DLLs in Microsoft Windows
- XP Service Pack 2 and higher.</dd>
+ meaning the function can be patched and/or hooked even while it is
+ loaded into memory. On x86, the function prologue will be preceded
+ by six bytes of padding and will begin with a two-byte instruction.
+ Most of the functions in the Windows system DLLs in Windows XP SP2 or
+ higher were compiled in this fashion.</dd>
<dt><tt><b>inlinehint</b></tt></dt>
<dd>This attribute indicates that the source code contained a hint that inlining
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