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Update stub dispatch hidden argument convention for CoreRT #14120
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BruceForstall
approved these changes
Sep 21, 2017
Documentation/botr/clr-abi.md
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| @@ -75,7 +75,7 @@ NOTE: This optimization is now disabled for all platforms (`IsStructRequiringSta | |||
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| ## Hidden parameters | |||
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| *Stub dispatch* - when a virtual call uses a VSD stub, rather than back-patching the calling code (or disassembling it), the JIT must place the address of the stub used to load the call target, the "stub indirection cell", in (x86) `EAX` / (AMD64) `R11` / (ARM) `R4` / (ARM64) `R11`. In the JIT, this is `REG_VIRTUAL_STUB_PARAM`. | |||
| *Stub dispatch* - when a virtual call uses a VSD stub, rather than back-patching the calling code (or disassembling it), the JIT must place the address of the stub used to load the call target, the "stub indirection cell", in (x86) `EAX` / (AMD64) `R11` / (AMD64 CoreRT ABI) `R10` / (ARM) `R4` / (ARM CoreRT ABI) `R12` / (ARM64) `R11`. In the JIT, this is `VirtualStubParamInfo`. | |||
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Nit: I would say: In the JIT, this is encapsulated in the VirtualStubParamInfo class.
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