Open Menu / build-scripts / generate-cache-config-header.sh
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#!/bin/sh

/bin/echo "" > ${DERIVED_FILE_DIR}/dyld_cache_config.h

if [ -z "${ARM_SDK}" ]; then
    # if iOS SDK not available, use MacOSX SDK
    ARM_SDK=`xcrun -sdk macosx.internal --show-sdk-path`
fi

# mach/shared_region.h is private in some SDKs and public in others.
# Do a grossly simplified version of what the compiler does to find it.
SHARED_REGION_FILE="${ARM_SDK}/usr/local/include/mach/shared_region.h"
if [ ! -e "${SHARED_REGION_FILE}" ]
then
    SHARED_REGION_FILE="${ARM_SDK}/usr/include/mach/shared_region.h"
fi


if [ -r "${SHARED_REGION_FILE}" ]; then
    /bin/echo -n "#define X86_64_SHARED_REGION_START "  >> ${DERIVED_FILE_DIR}/dyld_cache_config.h
    awk '/define SHARED_REGION_BASE_X86_64[ \t]/ { print $3;}' "${SHARED_REGION_FILE}" >> ${DERIVED_FILE_DIR}/dyld_cache_config.h
    /bin/echo ""  >> ${DERIVED_FILE_DIR}/dyld_cache_config.h

    /bin/echo -n "#define X86_64_SHARED_REGION_SIZE "  >> ${DERIVED_FILE_DIR}/dyld_cache_config.h
    awk '/define SHARED_REGION_SIZE_X86_64[ \t]/ { print $3;}' "${SHARED_REGION_FILE}" >> ${DERIVED_FILE_DIR}/dyld_cache_config.h
    /bin/echo ""  >> ${DERIVED_FILE_DIR}/dyld_cache_config.h

    /bin/echo -n "#define ARM_SHARED_REGION_START "  >> ${DERIVED_FILE_DIR}/dyld_cache_config.h
    awk '/define SHARED_REGION_BASE_ARM[ \t]/ { print $3;}' "${SHARED_REGION_FILE}" >> ${DERIVED_FILE_DIR}/dyld_cache_config.h
    /bin/echo ""  >> ${DERIVED_FILE_DIR}/dyld_cache_config.h

    /bin/echo -n "#define ARM_SHARED_REGION_SIZE "  >> ${DERIVED_FILE_DIR}/dyld_cache_config.h
    awk '/define SHARED_REGION_SIZE_ARM[ \t]/ { print $3;}' "${SHARED_REGION_FILE}" >> ${DERIVED_FILE_DIR}/dyld_cache_config.h
    /bin/echo ""  >> ${DERIVED_FILE_DIR}/dyld_cache_config.h

    /bin/echo -n "#define ARM64_SHARED_REGION_START "  >> ${DERIVED_FILE_DIR}/dyld_cache_config.h
    awk '/define SHARED_REGION_BASE_ARM64[ \t]/ { print $3;}' "${SHARED_REGION_FILE}" >> ${DERIVED_FILE_DIR}/dyld_cache_config.h
    /bin/echo ""  >> ${DERIVED_FILE_DIR}/dyld_cache_config.h

    /bin/echo -n "#define ARM64_SHARED_REGION_SIZE "  >> ${DERIVED_FILE_DIR}/dyld_cache_config.h
    awk '/define SHARED_REGION_SIZE_ARM64[ \t]/ { print $3;}' "${SHARED_REGION_FILE}" >> ${DERIVED_FILE_DIR}/dyld_cache_config.h
    /bin/echo ""  >> ${DERIVED_FILE_DIR}/dyld_cache_config.h

    grep SHARED_REGION_BASE_ARM64_32 "${SHARED_REGION_FILE}" > /dev/null 2>&1
    if [ "$?" -eq "0" ]; then
        /bin/echo -n "#define ARM64_32_SHARED_REGION_START "  >> ${DERIVED_FILE_DIR}/dyld_cache_config.h
        awk '/define SHARED_REGION_BASE_ARM64_32/ { print $3;}' "${SHARED_REGION_FILE}" >> ${DERIVED_FILE_DIR}/dyld_cache_config.h
        /bin/echo ""  >> ${DERIVED_FILE_DIR}/dyld_cache_config.h

        /bin/echo -n "#define ARM64_32_SHARED_REGION_SIZE "  >> ${DERIVED_FILE_DIR}/dyld_cache_config.h
        awk '/define SHARED_REGION_SIZE_ARM64_32/ { print $3;}' "${SHARED_REGION_FILE}" >> ${DERIVED_FILE_DIR}/dyld_cache_config.h
        /bin/echo ""  >> ${DERIVED_FILE_DIR}/dyld_cache_config.h
    fi
else
    /bin/echo "ERROR: File needed to configure update_dyld_shared_cache does not exist '${SHARED_REGION_FILE}'"
    exit 1
fi