| # SPDX-License-Identifier: Apache-2.0 |
| |
| # Enable debug support in mdb |
| # Dwarf version 2 can be recognized by mdb |
| # The default dwarf version in gdb is not recognized by mdb |
| zephyr_cc_option(-g3 -gdwarf-2) |
| |
| # Without this (poorly named) option, compiler may generate undefined |
| # references to abort(). |
| # See https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63691 |
| zephyr_cc_option(-fno-delete-null-pointer-checks) |
| |
| zephyr_cc_option_ifdef(CONFIG_ARC_USE_UNALIGNED_MEM_ACCESS -munaligned-access) |
| |
| if(CONFIG_ISA_ARCV2) |
| # Instruct compiler to use register R26 as thread pointer |
| # for thread local storage. |
| # For ARCv3 the register is fixed to r30, so we don't need to specify it |
| zephyr_cc_option_ifdef(CONFIG_THREAD_LOCAL_STORAGE -mtp-regno=26) |
| endif() |
| |
| add_subdirectory(core) |
| |
| if(COMPILER STREQUAL arcmwdt) |
| add_subdirectory(arcmwdt) |
| |
| if(CONFIG_64BIT) |
| zephyr_compile_options(-Ml) |
| # Instruct MWDT assembler not to warn when we load only lower half (32bit) of symbol |
| # instead of full 64bit address in ASM code. It is valid as we don't support Zephyr |
| # linkage to high addresses for 64bit ARC platforms. |
| zephyr_compile_options(-Wa,-offwarn=168) |
| endif() |
| endif() |
| |
| if(CONFIG_ISA_ARCV3 AND CONFIG_64BIT) |
| set_property(GLOBAL PROPERTY PROPERTY_OUTPUT_FORMAT elf64-littlearc64) |
| elseif(CONFIG_ISA_ARCV3 AND NOT CONFIG_64BIT) |
| set_property(GLOBAL PROPERTY PROPERTY_OUTPUT_FORMAT elf32-littlearc64) |
| else() |
| set_property(GLOBAL PROPERTY PROPERTY_OUTPUT_FORMAT elf32-littlearc) |
| endif() |
