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Make a workaround for EGO when fstat returns NOT_SUPPORT (#1970)

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The problem was found by a `Golang + WAMR (as CGO)` wrapped by EGO
in SGX Enclave.

`fstat()` in EGO returns dummy values:
- EGO uses a `mount` configuration to define the mount points that apply
  the host file system presented to the Encalve.
- EGO has a different programming model: the entire application runs inside
  the enclave. Manual ECALLs/OCALLs by application code are neither
  required nor possible.

Add platform ego and add macro control for the return value checking of
`fd_determine_type_rights` in libc-wasi to resolve the issue.
This commit is contained in:
liang.he
2023-02-21 11:11:27 +08:00
committed by GitHub
parent 37b09d0f24
commit 91eafa1ead
5 changed files with 57 additions and 9 deletions
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19
CMakeLists.txt
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@ -7,7 +7,9 @@ project (iwasm)
set (CMAKE_VERBOSE_MAKEFILE OFF)
string (TOLOWER ${CMAKE_HOST_SYSTEM_NAME} WAMR_BUILD_PLATFORM)
if (NOT DEFINED WAMR_BUILD_PLATFORM)
string (TOLOWER ${CMAKE_HOST_SYSTEM_NAME} WAMR_BUILD_PLATFORM)
endif ()
# Reset default linker flags
set (CMAKE_SHARED_LIBRARY_LINK_C_FLAGS "")
@ -135,23 +137,26 @@ include (${SHARED_DIR}/utils/uncommon/shared_uncommon.cmake)
# STATIC LIBRARY
add_library(iwasm_static STATIC ${WAMR_RUNTIME_LIB_SOURCE})
if (WAMR_BUILD_WASM_CACHE EQUAL 1)
target_link_libraries(iwasm_static PUBLIC boringssl_crypto)
endif ()
set_target_properties (iwasm_static PROPERTIES OUTPUT_NAME vmlib)
target_include_directories(iwasm_static INTERFACE ${WAMR_ROOT_DIR}/core/iwasm/include)
target_link_libraries (iwasm_static INTERFACE ${LLVM_AVAILABLE_LIBS} ${UV_A_LIBS} -lm -ldl -lpthread)
if (WAMR_BUILD_WASM_CACHE EQUAL 1)
target_link_libraries(iwasm_static INTERFACE boringssl_crypto)
endif ()
install (TARGETS iwasm_static ARCHIVE DESTINATION lib)
# SHARED LIBRARY
add_library (iwasm_shared SHARED ${WAMR_RUNTIME_LIB_SOURCE})
set_target_properties (iwasm_shared PROPERTIES OUTPUT_NAME iwasm)
target_link_libraries (iwasm_shared ${LLVM_AVAILABLE_LIBS} ${UV_A_LIBS} -lm -ldl -lpthread)
target_include_directories(iwasm_shared INTERFACE ${WAMR_ROOT_DIR}/core/iwasm/include)
target_link_libraries (iwasm_shared INTERFACE ${LLVM_AVAILABLE_LIBS} ${UV_A_LIBS} -lm -ldl -lpthread)
if (WAMR_BUILD_WASM_CACHE EQUAL 1)
target_link_libraries(iwasm_shared boringssl_crypto)
target_link_libraries(iwasm_shared INTERFACE boringssl_crypto)
endif ()
if (MINGW)
target_link_libraries (iwasm_shared -lWs2_32)
target_link_libraries (iwasm_shared -lWs2_32)
endif ()
install (TARGETS iwasm_shared LIBRARY DESTINATION lib)