ac5d45a080
Add a compiler option to not merge globals. gen_kobject_list.py is not capable of distinguish addresses of merged objects. The script itself does not look wrong. The dward specification says that the attribute DW_AT_location with opcode DW_OP_addr encodes a machine address and whose size is the size of an address on the target machine but for merged objects the address is longer, not clear why. Disable global merge when userspace is enabled to avoid this problem. Signed-off-by: Flavio Ceolin <flavio.ceolin@intel.com>
123 lines
4.6 KiB
CMake
123 lines
4.6 KiB
CMake
# Overview of used compiler properties for gcc / g++ compilers.
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#
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# Define the flags your toolchain support, and keep the unsupported flags empty.
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#####################################################
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# This section covers flags related to optimization #
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#####################################################
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set_compiler_property(PROPERTY no_optimization)
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set_compiler_property(PROPERTY optimization_debug)
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set_compiler_property(PROPERTY optimization_speed)
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set_compiler_property(PROPERTY optimization_size)
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#######################################################
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# This section covers flags related to warning levels #
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#######################################################
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# Property for standard warning base in Zephyr, this will always bet set when compiling.
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set_compiler_property(PROPERTY warning_base)
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# GCC options for warning levels 1, 2, 3, when using `-DW=[1|2|3]`
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# Property for warning levels 1, 2, 3 in Zephyr when using `-DW=[1|2|3]`
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set_compiler_property(PROPERTY warning_dw_1)
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set_compiler_property(PROPERTY warning_dw_2)
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set_compiler_property(PROPERTY warning_dw_3)
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# Extended warning set supported by the compiler
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set_compiler_property(PROPERTY warning_extended)
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# Compiler property that will issue error if a declaration does not specify a type
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set_compiler_property(PROPERTY warning_error_implicit_int)
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# Compiler flags to use when compiling according to MISRA
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set_compiler_property(PROPERTY warning_error_misra_sane)
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###########################################################################
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# This section covers flags related to C or C++ standards / standard libs #
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###########################################################################
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# Compiler flags for C standard. The specific standard must be appended by user.
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# For example, gcc specifies this as: set_compiler_property(PROPERTY cstd -std=)
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set_compiler_property(PROPERTY cstd)
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# Compiler flags for disabling C standard include and instead specify include
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# dirs in nostdinc_include to use.
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set_compiler_property(PROPERTY nostdinc)
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set_compiler_property(PROPERTY nostdinc_include)
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# Compiler flags for disabling C++ standard include.
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set_compiler_property(TARGET compiler-cpp PROPERTY nostdincxx)
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# Required C++ flags when compiling C++ code
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set_property(TARGET compiler-cpp PROPERTY required)
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# Compiler flags to use for specific C++ dialects
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set_property(TARGET compiler-cpp PROPERTY dialect_cpp98)
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set_property(TARGET compiler-cpp PROPERTY dialect_cpp11)
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set_property(TARGET compiler-cpp PROPERTY dialect_cpp14)
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set_property(TARGET compiler-cpp PROPERTY dialect_cpp17)
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set_property(TARGET compiler-cpp PROPERTY dialect_cpp2a)
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set_property(TARGET compiler-cpp PROPERTY dialect_cpp20)
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set_property(TARGET compiler-cpp PROPERTY dialect_cpp2b)
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# Flag for disabling strict aliasing rule in C and C++
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set_compiler_property(PROPERTY no_strict_aliasing)
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# Flag for disabling exceptions in C++
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set_property(TARGET compiler-cpp PROPERTY no_exceptions)
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# Flag for disabling rtti in C++
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set_property(TARGET compiler-cpp PROPERTY no_rtti)
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# Flag for disabling optimizations around printf return value
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set_compiler_property(PROPERTY no_printf_return_value)
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###################################################
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# This section covers all remaining C / C++ flags #
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###################################################
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# Flags for coverage generation
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set_compiler_property(PROPERTY coverage)
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# Security canaries flags.
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set_compiler_property(PROPERTY security_canaries)
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set_compiler_property(PROPERTY security_fortify_compile_time)
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set_compiler_property(PROPERTY security_fortify_run_time)
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# Flag for a hosted (no-freestanding) application
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set_compiler_property(PROPERTY hosted)
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# gcc flag for a freestanding application
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set_compiler_property(PROPERTY freestanding)
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# Flag to include debugging symbol in compilation
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set_compiler_property(PROPERTY debug)
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set_compiler_property(PROPERTY no_common)
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# Flags for imacros. The specific header must be appended by user.
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set_compiler_property(PROPERTY imacros)
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# Compiler flag for turning off thread-safe initialization of local statics
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set_property(TARGET compiler-cpp PROPERTY no_threadsafe_statics)
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# Required ASM flags when compiling
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set_property(TARGET asm PROPERTY required)
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# Compiler flag for disabling pointer arithmetic warnings
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set_compiler_property(PROPERTY warning_no_pointer_arithmetic)
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# Compiler flags for disabling position independent code / executable
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set_compiler_property(PROPERTY no_position_independent)
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# Compiler flag to avoid combine more than one global variable into a single aggregate.
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# gen_kobject_list.py is does not understand it and end up identifying objects as if
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# they had the same address.
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set_compiler_property(PROPERTY no_global_merge)
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