Implement instantiating and unboxing through portable stublinker code… (#106)

* Implement instantiating and unboxing through portable stublinker code
 - Handle only the cases with register to register moves
 - Shares abi processing logic with delegate shuffle thunk creation
 - Architecture specific logic is relatively simple
 - Do not permit use of HELPERREG in computed instantiating stubs
 - Fix GetArgLoc such that it works on all architectures and OS combinations

Add a JIT stress test case for testing all of the various combinations
- Use the same calling convention test architecture that was used as part of tail call work

Rename secure delegates to wrapper delegates
- Secure delegates are no longer a feature of the runtime
- But the wrapper delegate lives on as a workaround for a weird detail of the ARM32 abi

1 files changed, 9 insertions, 0 deletions

diff --git a/src/coreclr/clrdefinitions.cmake b/src/coreclr/clrdefinitions.cmake
index 57cfa8f90ec..23328f0e126 100644
--- a/src/coreclr/clrdefinitions.cmake
+++ b/src/coreclr/clrdefinitions.cmake
@@ -107,6 +107,15 @@ else(WIN32)
   add_definitions(-DFEATURE_ARRAYSTUB_AS_IL)
   add_definitions(-DFEATURE_MULTICASTSTUB_AS_IL)
 endif(WIN32)
+
+if(NOT CLR_CMAKE_TARGET_ARCH_I386)
+  add_definitions(-DFEATURE_PORTABLE_SHUFFLE_THUNKS)
+endif()
+
+if(CLR_CMAKE_PLATFORM_UNIX OR NOT CLR_CMAKE_TARGET_ARCH_I386)
+  add_definitions(-DFEATURE_INSTANTIATINGSTUB_AS_IL)
+endif()
+
 add_compile_definitions($<$<NOT:$<BOOL:$<TARGET_PROPERTY:CROSSGEN_COMPONENT>>>:FEATURE_CODE_VERSIONING>)
 add_definitions(-DFEATURE_COLLECTIBLE_TYPES)