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authorCharles Davis <cdavis@mines.edu>2010-10-25 19:07:39 +0000
committerCharles Davis <cdavis@mines.edu>2010-10-25 19:07:39 +0000
commit742052526a5c525031f506ff597e872c745ab73f (patch)
tree328e1d83f539f13adcd1b57ebb96a5c3c227e65f /llvm/docs/LangRef.html
parent2477446ee5174641f59083d93a5a4770a3286a4a (diff)
downloadbcm5719-llvm-742052526a5c525031f506ff597e872c745ab73f.tar.gz
bcm5719-llvm-742052526a5c525031f506ff597e872c745ab73f.zip
Make the description of the hotpatch attribute even more generic. Spotted by
Michael Spencer. llvm-svn: 117286
Diffstat (limited to 'llvm/docs/LangRef.html')
-rw-r--r--llvm/docs/LangRef.html9
1 files changed, 5 insertions, 4 deletions
diff --git a/llvm/docs/LangRef.html b/llvm/docs/LangRef.html
index 3f6d9c68a28..eb09de7e63c 100644
--- a/llvm/docs/LangRef.html
+++ b/llvm/docs/LangRef.html
@@ -1133,10 +1133,11 @@ define void @f() optsize { ... }
<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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