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Fixed build configs and invoke for windows arm64 #4909

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Fixed build configs and invoke for windows arm64 #4909

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2 changes: 1 addition & 1 deletion CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -30,7 +30,7 @@ set (CMAKE_C_STANDARD 99)
# "X86_64", "AMD_64", "X86_32", "AARCH64[sub]", "ARM[sub]", "THUMB[sub]",
# "MIPS", "XTENSA", "RISCV64[sub]", "RISCV32[sub]"
if (NOT DEFINED WAMR_BUILD_TARGET)
if (CMAKE_SYSTEM_PROCESSOR MATCHES "^(arm64|aarch64)")
if (CMAKE_SYSTEM_PROCESSOR MATCHES "^(arm64|aarch64|ARM64|AARCH64)")
set (WAMR_BUILD_TARGET "AARCH64")
elseif (CMAKE_SYSTEM_PROCESSOR STREQUAL "riscv64")
set (WAMR_BUILD_TARGET "RISCV64")
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6 changes: 5 additions & 1 deletion build-scripts/runtime_lib.cmake
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Expand Up @@ -188,7 +188,11 @@ file (GLOB header
LIST (APPEND RUNTIME_LIB_HEADER_LIST ${header})

if (WAMR_BUILD_PLATFORM STREQUAL "windows")
enable_language (ASM_MASM)
if(WAMR_BUILD_TARGET STREQUAL "AARCH64")
enable_language (ASM_MARMASM)
else()
enable_language (ASM_MASM)
endif()
else()
enable_language (ASM)
endif()
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2 changes: 1 addition & 1 deletion build-scripts/warnings.cmake
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Expand Up @@ -4,7 +4,7 @@
# global additional warnings.
if (MSVC)
# warning level 4
add_compile_options(/W4)
add_compile_options($<$<COMPILE_LANGUAGE:C>:/W4>)
else ()
# refer to https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html
add_compile_options(
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12 changes: 5 additions & 7 deletions core/iwasm/common/arch/invokeNative_armasm64.asm
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Expand Up @@ -53,17 +53,15 @@ invokeNative
mov x21, x2 ; x21 = nstacks
mov x22, sp ; save the sp before call function

; Fill in floating-point registers
; Fill in floating-point registers (Windows ARM64)
ldp d0, d1, [x20], #16
ldp d2, d3, [x20], #16
ldp d4, d5, [x20], #16
ldp d6, d7, [x20], #16

; Fill integer registers
ldp x0, x1, [x20], #16 ; x0 = argv[8] = exec_env, x1 = argv[9]
ldp x2, x3, [x20], #16
ldp x4, x5, [x20], #16
ldp x6, x7, [x20], #16
ldp x0, x1, [x20], #16 ; x0 = exec_env, x1 = argv[1]
ldp x2, x3, [x20], #16 ; x2 = argv[2], x3 = argv[3]
ldp x4, x5, [x20], #16 ; x4 = argv[4], x5 = argv[5]
ldp x6, x7, [x20], #16 ; x6 = argv[6], x7 = argv[7]

; Now x20 points to stack args
cmp x21, #0
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107 changes: 70 additions & 37 deletions core/iwasm/common/iwasm_common.cmake
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Expand Up @@ -4,12 +4,18 @@
set (IWASM_COMMON_DIR ${CMAKE_CURRENT_LIST_DIR})

include_directories (${IWASM_COMMON_DIR})
if (MSVC AND WAMR_BUILD_PLATFORM STREQUAL "windows" AND WAMR_BUILD_TARGET MATCHES "AARCH64.*")
if (DEFINED ENV{VCToolsInstallDir})
if (MSVC AND WAMR_BUILD_PLATFORM STREQUAL "windows" AND WAMR_BUILD_TARGET MATCHES "AARCH64.*" AND NOT WAMR_BUILD_WAMR_COMPILER)
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@lum1n0us lum1n0us Apr 17, 2026

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What specific build issue does skipping WAMR_BUILD_WAMR_COMPILER solve? The wamr-compiler also needs to compile for Windows ARM64, so it's not clear why this
scenario should be excluded from the ARM64 assembly settings. Could you provide more context on this?

if (CMAKE_ASM_MARMASM_COMPILER)
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@lum1n0us lum1n0us Apr 17, 2026

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Concern: CMAKE_ASM_MARMASM_COMPILER appears to be a newer CMake feature. Could you confirm:

  • Which CMake version introduced this variable?
  • The project currently requires CMake 3.14 minimum - is this compatible?

# Use the already detected assembler
set(_ARMASM64_EXE "${CMAKE_ASM_MARMASM_COMPILER}")
elseif (DEFINED ENV{VCToolsInstallDir} OR VCToolsInstallDir)
if (NOT VCToolsInstallDir)
set(VCToolsInstallDir "$ENV{VCToolsInstallDir}")
endif()
# Detect host tool dir
set(_ARMASM64_CANDIDATES
"$ENV{VCToolsInstallDir}/bin/HostX64/ARM64/armasm64.exe"
"$ENV{VCToolsInstallDir}/bin/HostARM64/arm64/armasm64.exe")
"${VCToolsInstallDir}bin/Hostx64/arm64/armasm64.exe"
"${VCToolsInstallDir}bin/Hostarm64/arm64/armasm64.exe")
set(_ARMASM64_EXE "")
foreach(_p IN LISTS _ARMASM64_CANDIDATES)
if (EXISTS "${_p}")
Expand All @@ -18,27 +24,42 @@ if (MSVC AND WAMR_BUILD_PLATFORM STREQUAL "windows" AND WAMR_BUILD_TARGET MATCHE
endif()
endforeach()
if (_ARMASM64_EXE STREQUAL "")
message(FATAL_ERROR "armasm64.exe not found under VCToolsInstallDir")
message(FATAL_ERROR "armasm64.exe not found under VCToolsInstallDir: ${VCToolsInstallDir}")
endif()
else()
message(FATAL_ERROR "VCToolsInstallDir is not defined. Please run from a Developer Command Prompt or specify armasm64.exe manually.")
endif()

# Wrapper without spaces to avoid quoting hell on NMake/cmd.exe
set(_WRAP "${CMAKE_BINARY_DIR}/armasm64_wrapper.bat")
file(WRITE "${_WRAP}"
"@echo off\r\n\"${_ARMASM64_EXE}\" %*\r\n")
# Wrapper without spaces to avoid quoting hell on NMake/cmd.exe
set(_WRAP "${CMAKE_BINARY_DIR}/armasm64_wrapper.bat")
file(WRITE "${_WRAP}"
"@echo off\r\n"
"setlocal enabledelayedexpansion\r\n"
"set ARGS=\r\n"
"for %%A in (%*) do (\r\n"
" if /I not \"%%~A\"==\"/experimental:c11atomics\" (\r\n"
" set ARGS=!ARGS! %%A\r\n"
" )\r\n"
")\r\n"
"\"${_ARMASM64_EXE}\" !ARGS!\r\n")

# Use wrapper as compiler (no spaces in path)
set(CMAKE_ASM_MASM_COMPILER
"${_WRAP}"
CACHE FILEPATH "" FORCE)
# Use wrapper as compiler (no spaces in path)
set(CMAKE_ASM_MASM_COMPILER
"${_WRAP}"
CACHE FILEPATH "" FORCE)

# Quote ONLY object and source (compiler path has no spaces now)
set(CMAKE_ASM_MASM_COMPILE_OBJECT
"<CMAKE_ASM_MASM_COMPILER> /nologo -o \"<OBJECT>\" \"<SOURCE>\""
CACHE STRING "" FORCE)
set(CMAKE_ASM_MARMASM_COMPILER
"${_WRAP}"
CACHE FILEPATH "" FORCE)

else()
message(FATAL_ERROR "VCToolsInstallDir is not defined. Please run from a Developer Command Prompt or specify armasm64.exe manually.")
endif()
# Quote ONLY object and source (compiler path has no spaces now)
set(CMAKE_ASM_MASM_COMPILE_OBJECT
"<CMAKE_ASM_MASM_COMPILER> /nologo -o \"<OBJECT>\" \"<SOURCE>\""
CACHE STRING "" FORCE)

set(CMAKE_ASM_MARMASM_COMPILE_OBJECT
"<CMAKE_ASM_MARMASM_COMPILER> /nologo -o \"<OBJECT>\" \"<SOURCE>\""
CACHE STRING "" FORCE)
endif()

add_definitions(-DBH_MALLOC=wasm_runtime_malloc)
Expand All @@ -61,7 +82,7 @@ if (CMAKE_OSX_ARCHITECTURES)
endif()
endif()

if (WAMR_BUILD_INVOKE_NATIVE_GENERAL EQUAL 1)
if (WAMR_BUILD_INVOKE_NATIVE_GENERAL EQUAL 1 AND NOT (MSVC AND WAMR_BUILD_PLATFORM STREQUAL "windows" AND WAMR_BUILD_TARGET MATCHES "AARCH64.*"))
# Use invokeNative C version instead of asm code version
# if WAMR_BUILD_INVOKE_NATIVE_GENERAL is explicitly set.
# Note:
Expand Down Expand Up @@ -117,31 +138,43 @@ elseif (WAMR_BUILD_TARGET MATCHES "AARCH64.*")
if (NOT WAMR_BUILD_SIMD EQUAL 1)
if (WAMR_BUILD_PLATFORM STREQUAL "windows")
if (MSVC)
set (source_all ${c_source_all} ${IWASM_COMMON_DIR}/arch/invokeNative_armasm64.asm)
set(_WAMR_ARM64_MASM_SOURCES ${IWASM_COMMON_DIR}/arch/invokeNative_armasm64.asm)
set_source_files_properties(${_WAMR_ARM64_MASM_SOURCES}
PROPERTIES
LANGUAGE ASM_MASM
COMPILE_DEFINITIONS ""
INCLUDE_DIRECTORIES ""
COMPILE_OPTIONS "/nologo"
set(_WAMR_ARM64_MASM_SOURCE ${IWASM_COMMON_DIR}/arch/invokeNative_armasm64.asm)
set(_WAMR_ARM64_MASM_OBJ ${CMAKE_CURRENT_BINARY_DIR}/invokeNative_armasm64.obj)
add_custom_command(
OUTPUT ${_WAMR_ARM64_MASM_OBJ}
COMMAND ${CMAKE_ASM_MASM_COMPILER} /nologo -o "${_WAMR_ARM64_MASM_OBJ}" "${_WAMR_ARM64_MASM_SOURCE}"
DEPENDS ${_WAMR_ARM64_MASM_SOURCE}
COMMENT "Assembling invokeNative_armasm64.asm"
VERBATIM
)
set_source_files_properties(${_WAMR_ARM64_MASM_OBJ}
PROPERTIES GENERATED TRUE EXTERNAL_OBJECT TRUE
)
set (source_all ${c_source_all} ${_WAMR_ARM64_MASM_OBJ})
else ()
set (source_all ${c_source_all} ${IWASM_COMMON_DIR}/arch/invokeNative_aarch64.s)
endif ()
else ()
set (source_all ${c_source_all} ${IWASM_COMMON_DIR}/arch/invokeNative_aarch64.s)
endif ()
else()
if (WAMR_BUILD_PLATFORM STREQUAL "windows")
if (MSVC)
set (source_all ${c_source_all} ${IWASM_COMMON_DIR}/arch/invokeNative_armasm64_simd.asm)
set(_WAMR_ARM64_MASM_SOURCES_SIMD ${IWASM_COMMON_DIR}/arch/invokeNative_armasm64_simd.asm)
set_source_files_properties(${_WAMR_ARM64_MASM_SOURCES_SIMD}
PROPERTIES
LANGUAGE ASM_MASM
COMPILE_DEFINITIONS ""
INCLUDE_DIRECTORIES ""
COMPILE_OPTIONS "/nologo"
set(_WAMR_ARM64_MASM_SIMD_SOURCE ${IWASM_COMMON_DIR}/arch/invokeNative_armasm64_simd.asm)
set(_WAMR_ARM64_MASM_SIMD_OBJ ${CMAKE_CURRENT_BINARY_DIR}/invokeNative_armasm64_simd.obj)
add_custom_command(
OUTPUT ${_WAMR_ARM64_MASM_SIMD_OBJ}
COMMAND ${CMAKE_ASM_MASM_COMPILER} /nologo -o "${_WAMR_ARM64_MASM_SIMD_OBJ}" "${_WAMR_ARM64_MASM_SIMD_SOURCE}"
DEPENDS ${_WAMR_ARM64_MASM_SIMD_SOURCE}
COMMENT "Assembling invokeNative_armasm64_simd.asm"
VERBATIM
)
set_source_files_properties(${_WAMR_ARM64_MASM_SIMD_OBJ}
PROPERTIES GENERATED TRUE EXTERNAL_OBJECT TRUE
)
set (source_all ${c_source_all} ${_WAMR_ARM64_MASM_SIMD_OBJ})
else ()
set (source_all ${c_source_all} ${IWASM_COMMON_DIR}/arch/invokeNative_aarch64_simd.s)
endif ()
else ()
set (source_all ${c_source_all} ${IWASM_COMMON_DIR}/arch/invokeNative_aarch64_simd.s)
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4 changes: 3 additions & 1 deletion product-mini/platforms/windows/CMakeLists.txt
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Expand Up @@ -19,7 +19,9 @@ set(CMAKE_CXX_STANDARD 17)
# Set WAMR_BUILD_TARGET, currently values supported:
# "X86_64", "AMD_64", "X86_32", "AARCH64[sub]", "ARM[sub]", "THUMB[sub]", "MIPS", "XTENSA"
if (NOT DEFINED WAMR_BUILD_TARGET)
if (CMAKE_SIZEOF_VOID_P EQUAL 8)
if (CMAKE_SYSTEM_PROCESSOR MATCHES "^(arm64|aarch64|ARM64|AARCH64)")
set (WAMR_BUILD_TARGET "AARCH64")
elseif (CMAKE_SIZEOF_VOID_P EQUAL 8)
# Build as X86_64 by default in 64-bit platform
set (WAMR_BUILD_TARGET "X86_64")
elseif (CMAKE_SIZEOF_VOID_P EQUAL 4)
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6 changes: 5 additions & 1 deletion wamr-compiler/CMakeLists.txt
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Expand Up @@ -17,7 +17,11 @@ if (NOT WAMR_BUILD_PLATFORM STREQUAL "windows")
project (aot-compiler)
else()
project (aot-compiler C ASM CXX)
enable_language (ASM_MASM)
if (WAMR_BUILD_TARGET STREQUAL "AARCH64")
enable_language (ASM_MARMASM)
else()
enable_language (ASM_MASM)
endif()
add_definitions(-DCOMPILING_WASM_RUNTIME_API=1)
endif()

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