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| author | Charles Davis <cdavis@mines.edu> | 2010-10-25 19:07:39 +0000 |
|---|---|---|
| committer | Charles Davis <cdavis@mines.edu> | 2010-10-25 19:07:39 +0000 |
| commit | 0076d2057c627473ed69c227f7ead6283fdff44e (patch) | |
| tree | 5cb0de6b2b63cced7939464ef7969bb19cbe8e14 /docs | |
| parent | 162875a9f3be40bfccc07c29ea4ad19f599b9ee4 (diff) | |
| download | llvm-0076d2057c627473ed69c227f7ead6283fdff44e.tar.gz llvm-0076d2057c627473ed69c227f7ead6283fdff44e.tar.bz2 llvm-0076d2057c627473ed69c227f7ead6283fdff44e.tar.xz | |
Make the description of the hotpatch attribute even more generic. Spotted by
Michael Spencer.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117286 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'docs')
| -rw-r--r-- | docs/LangRef.html | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/docs/LangRef.html b/docs/LangRef.html index 3f6d9c68a2..eb09de7e63 100644 --- a/docs/LangRef.html +++ b/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 |