cae6696a75
In 0.15.2 SDK we specify r26 as default register for TLS cached pointer, so it isn't used by compiler even if TLS support isn't enabled. Restore the previous behavior - so if we don't use TLS in Zephyr the register isn't stay reserved. Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com> Signed-off-by: Evgeniy Paltsev <PaltsevEvgeniy@gmail.com>
48 lines
1.8 KiB
CMake
48 lines
1.8 KiB
CMake
# SPDX-License-Identifier: Apache-2.0
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# Enable debug support in mdb
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# Dwarf version 2 can be recognized by mdb
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# The default dwarf version in gdb is not recognized by mdb
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zephyr_cc_option(-g3 -gdwarf-2)
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# Without this (poorly named) option, compiler may generate undefined
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# references to abort().
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# See https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63691
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zephyr_cc_option(-fno-delete-null-pointer-checks)
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zephyr_cc_option_ifdef(CONFIG_ARC_USE_UNALIGNED_MEM_ACCESS -munaligned-access)
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if(NOT COMPILER STREQUAL arcmwdt)
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if(CONFIG_THREAD_LOCAL_STORAGE)
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# Instruct compiler to use proper register as cached thread pointer for thread local storage.
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# For ARCv2 the default register is usually not specified - so we need to specify it
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# For ARCv3 the register is fixed to r30, so we don't need to specify it
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zephyr_compile_options_ifdef(CONFIG_ISA_ARCV2 -mtp-regno=26)
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else()
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# If thread local storage isn't used - we can safely schedule thread pointer register
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zephyr_compile_options_ifdef(CONFIG_ISA_ARCV2 -mtp-regno=none)
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endif()
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endif()
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add_subdirectory(core)
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if(COMPILER STREQUAL arcmwdt)
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add_subdirectory(arcmwdt)
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if(CONFIG_64BIT)
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zephyr_compile_options(-Ml)
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# Instruct MWDT assembler not to warn when we load only lower half (32bit) of symbol
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# instead of full 64bit address in ASM code. It is valid as we don't support Zephyr
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# linkage to high addresses for 64bit ARC platforms.
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zephyr_compile_options(-Wa,-offwarn=168)
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endif()
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endif()
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if(CONFIG_ISA_ARCV3 AND CONFIG_64BIT)
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set_property(GLOBAL PROPERTY PROPERTY_OUTPUT_FORMAT elf64-littlearc64)
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elseif(CONFIG_ISA_ARCV3 AND NOT CONFIG_64BIT)
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set_property(GLOBAL PROPERTY PROPERTY_OUTPUT_FORMAT elf32-littlearc64)
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else()
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set_property(GLOBAL PROPERTY PROPERTY_OUTPUT_FORMAT elf32-littlearc)
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endif()
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