| # SPDX-License-Identifier: Apache-2.0 |
| |
| # See root CMakeLists.txt for description and expectations of these macros |
| |
| macro(toolchain_ld_base) |
| |
| if(NOT PROPERTY_LINKER_SCRIPT_DEFINES) |
| set_property(GLOBAL PROPERTY PROPERTY_LINKER_SCRIPT_DEFINES -D__LLD_LINKER_CMD__) |
| endif() |
| |
| # TOOLCHAIN_LD_FLAGS comes from compiler/clang/target.cmake |
| # LINKERFLAGPREFIX comes from linker/lld/target.cmake |
| zephyr_ld_options( |
| ${TOOLCHAIN_LD_FLAGS} |
| ) |
| |
| zephyr_ld_options( |
| ${LINKERFLAGPREFIX},--gc-sections |
| ${LINKERFLAGPREFIX},--build-id=none |
| ) |
| |
| # Sort each input section by alignment. |
| zephyr_ld_option_ifdef( |
| CONFIG_LINKER_SORT_BY_ALIGNMENT |
| ${LINKERFLAGPREFIX},--sort-section=alignment |
| ) |
| |
| if (NOT CONFIG_LINKER_USE_RELAX) |
| zephyr_ld_options( |
| ${LINKERFLAGPREFIX},--no-relax |
| ) |
| endif() |
| |
| if(CONFIG_CPP) |
| # LLVM lld complains: |
| # error: section: init_array is not contiguous with other relro sections |
| # |
| # So do not create RELRO program header. |
| zephyr_link_libraries( |
| -Wl,-z,norelro |
| ) |
| endif() |
| |
| if(CONFIG_LIBGCC_RTLIB) |
| set(runtime_lib "libgcc") |
| elseif(CONFIG_COMPILER_RT_RTLIB) |
| set(runtime_lib "compiler_rt") |
| endif() |
| |
| zephyr_link_libraries( |
| --config ${ZEPHYR_BASE}/cmake/toolchain/llvm/clang_${runtime_lib}.cfg |
| ) |
| endmacro() |