blob: 9b78345b23853d74c771d996760da03a1236565a [file] [log] [blame]
# 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-littlearc)
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()