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author | Dimitry Andric <dim@FreeBSD.org> | 2015-05-27 18:44:32 +0000 |
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committer | Dimitry Andric <dim@FreeBSD.org> | 2015-05-27 18:44:32 +0000 |
commit | 5a5ac124e1efaf208671f01c46edb15f29ed2a0b (patch) | |
tree | a6140557876943cdd800ee997c9317283394b22c /docs/StackMaps.rst | |
parent | f03b5bed27d0d2eafd68562ce14f8b5e3f1f0801 (diff) |
Diffstat (limited to 'docs/StackMaps.rst')
-rw-r--r-- | docs/StackMaps.rst | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/docs/StackMaps.rst b/docs/StackMaps.rst index 5bb05540dec3..43c60c9e7850 100644 --- a/docs/StackMaps.rst +++ b/docs/StackMaps.rst @@ -221,11 +221,12 @@ lowered according to the calling convention specified at the intrinsic's callsite. Variants of the intrinsic with non-void return type also return a value according to calling convention. -On PowerPC, note that the ``<target>`` must be the actual intended target of -the indirect call, not the function-descriptor address normally used as the -C/C++ function-pointer representation. As a result, the call target must be -local because no adjustment or restoration of the TOC pointer (in register r2) -will be performed. +On PowerPC, note that ``<target>`` must be the actual intended target of +the indirect call. Specifically, even when compiling for the ELF V1 ABI, +``<target>`` is not the function-descriptor address normally used as the C/C++ +function-pointer representation. As a result, the call target must be local +because no adjustment or restoration of the TOC pointer (in register r2) will +be performed. Requesting zero patch point arguments is valid. In this case, all variable operands are handled just like |