Aarch64

.gitignore

@@ -46,3 +46,7 @@ vcpkg_installed/*
 
 ### ctags ###
 tags
+
+
+### Misc ###
+aarch64/gcc-arm-11.2-2022.02-x86_64-aarch64-none-linux-gnu*

aarch64/clang_to_aarch64-linux-gnu.toolchain.cmake

@@ -0,0 +1,49 @@
+macro(set_if_file_exists VARIABLE_NAME VARIABLE_PATH)
+  if(NOT EXISTS ${VARIABLE_PATH})
+    message(FATAL_ERROR "${VARIABLE_PATH} does not exist")
+  endif()
+  set(${VARIABLE_NAME} ${VARIABLE_PATH})
+  #set(${VARIABLE_NAME} ${VARIABLE_PATH} PARENT_SCOPE)
+endmacro()
+
+SET(CMAKE_SYSTEM_NAME Linux)
+SET(CMAKE_SYSTEM_PROCESSOR aarch64)
+
+SET(PATH_TO_TOOLCHAIN_BASE "${CMAKE_CURRENT_SOURCE_DIR}/aarch64/gcc-arm-11.2-2022.02-x86_64-aarch64-none-linux-gnu")
+SET(PATH_TO_COMPILER_BINARIES /usr/bin)
+SET(CLANG_VERSION_SUFFIX "-18")
+
+#set_if_file_exists(CMAKE_ADDR2LINE "${PATH_TO_COMPILER_BINARIES}/aarch64-none-linux-gnu-addr2line${CLANG_VERSION_SUFFIX}")
+set_if_file_exists(CMAKE_AR "${PATH_TO_COMPILER_BINARIES}/llvm-ar${CLANG_VERSION_SUFFIX}")
+#set_if_file_exists(CMAKE_ASM_COMPILER "${PATH_TO_COMPILER_BINARIES}/aarch64-none-linux-gnu-as${CLANG_VERSION_SUFFIX}")
+set_if_file_exists(CMAKE_C_COMPILER "${PATH_TO_COMPILER_BINARIES}/clang${CLANG_VERSION_SUFFIX}")
+set_if_file_exists(CMAKE_CXX_COMPILER "${PATH_TO_COMPILER_BINARIES}/clang++${CLANG_VERSION_SUFFIX}")
+set_if_file_exists(CMAKE_CXX_COMPILER_AR "${PATH_TO_COMPILER_BINARIES}/llvm-ar${CLANG_VERSION_SUFFIX}")
+set_if_file_exists(CMAKE_CXX_COMPILER_RANLIB "${PATH_TO_COMPILER_BINARIES}/llvm-ranlib${CLANG_VERSION_SUFFIX}")
+set_if_file_exists(CMAKE_C_COMPILER_AR "${PATH_TO_COMPILER_BINARIES}/llvm-ar${CLANG_VERSION_SUFFIX}")
+set_if_file_exists(CMAKE_C_COMPILER_RANLIB "${PATH_TO_COMPILER_BINARIES}/llvm-ranlib${CLANG_VERSION_SUFFIX}")
+set_if_file_exists(CMAKE_LINKER "${PATH_TO_COMPILER_BINARIES}/ld.lld${CLANG_VERSION_SUFFIX}")
+set_if_file_exists(CMAKE_NM "${PATH_TO_COMPILER_BINARIES}/llvm-nm${CLANG_VERSION_SUFFIX}")
+set_if_file_exists(CMAKE_OBJCOPY "${PATH_TO_COMPILER_BINARIES}/llvm-objcopy${CLANG_VERSION_SUFFIX}")
+set_if_file_exists(CMAKE_OBJDUMP "${PATH_TO_COMPILER_BINARIES}/llvm-objdump${CLANG_VERSION_SUFFIX}")
+set_if_file_exists(CMAKE_RANLIB "${PATH_TO_COMPILER_BINARIES}/llvm-ranlib${CLANG_VERSION_SUFFIX}")
+set_if_file_exists(CMAKE_READELF "${PATH_TO_COMPILER_BINARIES}/llvm-readelf${CLANG_VERSION_SUFFIX}")
+set_if_file_exists(CMAKE_STRIP "${PATH_TO_COMPILER_BINARIES}/llvm-strip${CLANG_VERSION_SUFFIX}")
+
+# Don't look for programs in the sysroot as they are arm binaries
+SET(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
+SET(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
+SET(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
+
+SET(CMAKE_SYSROOT ${PATH_TO_TOOLCHAIN_BASE}/aarch64-none-linux-gnu/libc/)
+
+SET(CMAKE_ASM_COMPILER_TARGET aarch64-none-linux-gnu)
+SET(CMAKE_C_COMPILER_TARGET aarch64-none-linux-gnu)
+SET(CMAKE_CXX_COMPILER_TARGET aarch64-none-linux-gnu)
+
+SET(CMAKE_EXE_LINKER_FLAGS_INIT "-fuse-ld=${PATH_TO_COMPILER_BINARIES}/ld.lld${CLANG_VERSION_SUFFIX} -L${PATH_TO_TOOLCHAIN_BASE}/lib/gcc/aarch64-none-linux-gnu/11.2.1")
+SET(CMAKE_EXE_LINKER_FLAGS "-fuse-ld=${PATH_TO_COMPILER_BINARIES}/ld.lld${CLANG_VERSION_SUFFIX} -L${PATH_TO_TOOLCHAIN_BASE}/lib/gcc/aarch64-none-linux-gnu/11.2.1")
+SET(CMAKE_MODULE_LINKER_FLAGS_INIT "-fuse-ld=${PATH_TO_COMPILER_BINARIES}/ld.lld${CLANG_VERSION_SUFFIX} -L${PATH_TO_TOOLCHAIN_BASE}/lib/gcc/aarch64-none-linux-gnu/11.2.1")
+SET(CMAKE_MODULE_LINKER_FLAGS "-fuse-ld=${PATH_TO_COMPILER_BINARIES}/ld.lld${CLANG_VERSION_SUFFIX} -L${PATH_TO_TOOLCHAIN_BASE}/lib/gcc/aarch64-none-linux-gnu/11.2.1")
+SET(CMAKE_SHARED_LINKER_FLAGS_INIT "-fuse-ld=${PATH_TO_COMPILER_BINARIES}/ld.lld${CLANG_VERSION_SUFFIX} -L${PATH_TO_TOOLCHAIN_BASE}/lib/gcc/aarch64-none-linux-gnu/11.2.1")
+SET(CMAKE_SHARED_LINKER_FLAGS "-fuse-ld=${PATH_TO_COMPILER_BINARIES}/ld.lld${CLANG_VERSION_SUFFIX} -L${PATH_TO_TOOLCHAIN_BASE}/lib/gcc/aarch64-none-linux-gnu/11.2.1")

aarch64/cross-compile.sh

@@ -0,0 +1,42 @@
+function do_ArmRuntimeStage() {
+  current_dir="$PWD"
+
+  if true; then
+    # Download cross-compilation toolchain from https://developer.arm.com/downloads/-/arm-gnu-toolchain-downloads
+    AARCH64_TOOLCHAIN_FOLDER="${current_dir}/gcc-arm-11.2-2022.02-x86_64-aarch64-none-linux-gnu"
+    AARCH64_TAR_XZ_URL="https://developer.arm.com/-/media/Files/downloads/gnu/11.2-2022.02/binrel/gcc-arm-11.2-2022.02-x86_64-aarch64-none-linux-gnu.tar.xz?rev=33c6e30e5ac64e6dba8f0431f2c35f1b&hash=AE0C3F32FC140B87A05846EBF9494722"
+    AARCH64_TAR_XZ="$AARCH64_TOOLCHAIN_FOLDER".tar.xz
+
+    if [ ! -f "$AARCH64_TAR_XZ" ]; then
+      wget -O "$AARCH64_TAR_XZ" "$AARCH64_TAR_XZ_URL"
+    fi
+
+    if [ ! -d "$AARCH64_TOOLCHAIN_FOLDER" ]; then
+      AARCH64_TAR_XZ_EXPECTED_HASH="52dbac3eb71dbe0916f60a8c5ab9b7dc9b66b3ce513047baa09fae56234e53f3"
+      AARCH64_TAR_XZ_ACTUAL_HASH=$(sha256sum "$AARCH64_TAR_XZ" | awk '{ print $1 }')
+      if [[ "$AARCH64_TAR_XZ_EXPECTED_HASH" != "$AARCH64_TAR_XZ_ACTUAL_HASH" ]]; then
+          echo "Hash check failed"
+          echo "Expected $AARCH64_TAR_XZ_EXPECTED_HASH but got $AARCH64_TAR_XZ_ACTUAL_HASH"
+          exit
+      fi
+
+      mkdir -p "$AARCH64_TOOLCHAIN_FOLDER"
+      tar -xvf "$AARCH64_TAR_XZ" -C "$AARCH64_TOOLCHAIN_FOLDER" --strip-components=1
+
+      # WORKAROUND. The linker refuses to pick these objects up from the original location.
+      ln -s ${current_dir}/gcc-arm-11.2-2022.02-x86_64-aarch64-none-linux-gnu/lib/gcc/aarch64-none-linux-gnu/11.2.1/crtbeginS.o \
+         ${current_dir}/gcc-arm-11.2-2022.02-x86_64-aarch64-none-linux-gnu/aarch64-none-linux-gnu/libc/usr/lib/crtbeginS.o
+      ln -s ${current_dir}/gcc-arm-11.2-2022.02-x86_64-aarch64-none-linux-gnu/lib/gcc/aarch64-none-linux-gnu/11.2.1/crtendS.o \
+         ${current_dir}/gcc-arm-11.2-2022.02-x86_64-aarch64-none-linux-gnu/aarch64-none-linux-gnu/libc/usr/lib/crtendS.o
+    fi
+  fi
+
+  cmake -DCMAKE_TOOLCHAIN_FILE="${current_dir}/clang_to_aarch64-linux-gnu.toolchain.cmake" -G Ninja \
+      .. \
+      -DCMAKE_BUILD_TYPE=Release
+
+    DESTDIR=$DEST/clang-install-aarch64 ninja -j "$CORE_COUNT" install
+}
+
+
+do_ArmRuntimeStage