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| author | Ben Gamari <ben@smart-cactus.org> | 2019-03-13 19:42:47 -0400 |
|---|---|---|
| committer | Marge Bot <ben+marge-bot@smart-cactus.org> | 2019-03-17 05:05:10 -0400 |
| commit | cb61371e3260e07be724a04b72a935133f66b514 (patch) | |
| tree | 456e4f3fa84ab7f8fa94ed66f717f6ea949899f8 /compiler | |
| parent | 3f2291e47b8e00f1312c9be31484ceddd1289212 (diff) | |
| download | haskell-cb61371e3260e07be724a04b72a935133f66b514.tar.gz | |
ghc-heap: Introduce closureSize
This function allows the user to compute the (non-transitive) size of a
heap object in words. The "closure" in the name is admittedly confusing
but we are stuck with this nomenclature at this point.
Diffstat (limited to 'compiler')
| -rw-r--r-- | compiler/prelude/primops.txt.pp | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/compiler/prelude/primops.txt.pp b/compiler/prelude/primops.txt.pp index 94de07f8e5..6a1be8a486 100644 --- a/compiler/prelude/primops.txt.pp +++ b/compiler/prelude/primops.txt.pp @@ -3208,6 +3208,13 @@ primop UnpackClosureOp "unpackClosure#" GenPrimOp with out_of_line = True +primop ClosureSizeOp "closureSize#" GenPrimOp + a -> Int# + { {\tt closureSize\# closure} returns the size of the given closure in + machine words. } + with + out_of_line = True + primop GetApStackValOp "getApStackVal#" GenPrimOp a -> Int# -> (# Int#, b #) with |