Revive the Rust + SGX refactor (apache#4976)

* Add Nick's changes's squashed

* Fix frontend compilation

* Re-enable Rust CI

* Add changes with conflicted badly

* Restructure import_module! macro in order to avoid unstable features

* Kill old unstable feature enablement

* Refactor common to use new APIs

* Move the code to stable

* Fix warning

Co-authored-by: Nick Hynes <nhynes@oasislabs.com>

CMakeLists.txt

@@ -36,7 +36,6 @@ tvm_option(USE_GRAPH_RUNTIME "Build with tiny graph runtime" ON)
 tvm_option(USE_GRAPH_RUNTIME_DEBUG "Build with tiny graph runtime debug mode" OFF)
 tvm_option(USE_OPENMP "Build with OpenMP thread pool implementation" OFF)
 tvm_option(USE_RELAY_DEBUG "Building Relay in debug mode..." OFF)
-tvm_option(USE_SGX "Build with SGX" OFF)
 tvm_option(USE_RTTI "Build with RTTI" ON)
 tvm_option(USE_MSVC_MT "Build with MT" OFF)
 tvm_option(USE_MICRO "Build with Micro" OFF)
@@ -257,7 +256,6 @@ include(cmake/modules/OpenMP.cmake)
 include(cmake/modules/Vulkan.cmake)
 include(cmake/modules/Metal.cmake)
 include(cmake/modules/ROCM.cmake)
-include(cmake/modules/SGX.cmake)
 include(cmake/modules/LLVM.cmake)
 include(cmake/modules/Micro.cmake)
 include(cmake/modules/ANTLR.cmake)
@@ -299,12 +297,6 @@ else()
   set_target_properties(tvm PROPERTIES COMPILE_DEFINITIONS "NDEBUG")
 endif(USE_RELAY_DEBUG)
 
-if(NOT USE_SGX STREQUAL "OFF")
-  add_dependencies(tvm sgx_edl)
-  add_dependencies(tvm_runtime sgx_edl tvm_t)
-  install(TARGETS tvm_t ARCHIVE DESTINATION lib${LIB_SUFFIX})
-endif()
-
 if(USE_THREADS)
   message(STATUS "Build with thread support...")
   set(CMAKE_THREAD_PREFER_PTHREAD TRUE)

Jenkinsfile

@@ -219,6 +219,7 @@ stage('Build') {
           sh "${docker_run} ${ci_cpu} ./tests/scripts/task_python_vta_fsim.sh"
           sh "${docker_run} ${ci_cpu} ./tests/scripts/task_python_vta_tsim.sh"
           sh "${docker_run} ${ci_cpu} ./tests/scripts/task_golang.sh"
+          sh "${docker_run} ${ci_cpu} ./tests/scripts/task_rust.sh"
         }
       }
     }

apps/sgx/.cargo/config

@@ -0,0 +1,5 @@
+[build]
+target = "x86_64-fortanix-unknown-sgx"
+
+[target.x86_64-fortanix-unknown-sgx]
+runner = "ftxsgx-runner-cargo"

apps/sgx/.rustfmt.toml

@@ -0,0 +1 @@
+../../rust/.rustfmt.toml