lit_config.load_config(config, '@CMAKE_CURRENT_BINARY_DIR@/cmake-bridge.cfg') libc_linker_script = '@CMAKE_INSTALL_PREFIX@/lib/picolibcpp.ld' config.substitutions.append(('%{flags}', '--sysroot=@CMAKE_INSTALL_PREFIX@')) config.substitutions.append(('%{compile_flags}', '-nostdinc++ -I %{include-dir} -I %{target-include-dir} -I %{libcxx-dir}/test/support' # Disable warnings in cxx_atomic_impl.h: # "large atomic operation may incur significant performance penalty; the # access size (4 bytes) exceeds the max lock-free size (0 bytes)" ' -Wno-atomic-alignment' # Various libc++ headers check for the definition of _NEWLIB_VERSION # which for picolibc is defined in picolibc.h. ' -include picolibc.h' )) config.substitutions.append(('%{link_flags}', '-nostdlib -nostdlib++ -L %{lib-dir} -lc++ -lc++abi' ' -lc -lm -lclang_rt.builtins -lsemihost -lcrt0-semihost' + ' -T {}'.format(libc_linker_script) + ' -Wl,--defsym=__flash=0x0' ' -Wl,--defsym=__flash_size=0x400000' ' -Wl,--defsym=__ram=0x21000000' ' -Wl,--defsym=__ram_size=0x1000000' ' -Wl,--defsym=__stack_size=0x1000' )) config.executor = ( '@LIBCXX_SOURCE_DIR@/utils/qemu_baremetal.py' ' --qemu @QEMU_SYSTEM_ARM@' ' --machine mps2-an385' ' --cpu cortex-m3') config.substitutions.append(('%{exec}', '%{executor}' ' --execdir %T' )) import os, site site.addsitedir(os.path.join('@LIBCXX_SOURCE_DIR@', 'utils')) import libcxx.test.params, libcxx.test.config libcxx.test.config.configure( libcxx.test.params.DEFAULT_PARAMETERS, libcxx.test.features.DEFAULT_FEATURES, config, lit_config )