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# SPDX-License-Identifier: Apache-2.0
# Copyright 2012-2020 Meson development team
from __future__ import annotations
"""Representations specific to the arm family of compilers."""
import os
import typing as T
from ... import mesonlib
from ...linkers.linkers import ArmClangDynamicLinker
from ...mesonlib import OptionKey
from ..compilers import clike_debug_args
from .clang import clang_color_args
if T.TYPE_CHECKING:
from ...environment import Environment
from ...compilers.compilers import Compiler
else:
# This is a bit clever, for mypy we pretend that these mixins descend from
# Compiler, so we get all of the methods and attributes defined for us, but
# for runtime we make them descend from object (which all classes normally
# do). This gives up DRYer type checking, with no runtime impact
Compiler = object
arm_optimization_args: T.Dict[str, T.List[str]] = {
'plain': [],
'0': ['-O0'],
'g': ['-g'],
'1': ['-O1'],
'2': [], # Compiler defaults to -O2
'3': ['-O3', '-Otime'],
's': ['-O3'], # Compiler defaults to -Ospace
}
armclang_optimization_args: T.Dict[str, T.List[str]] = {
'plain': [],
'0': [], # Compiler defaults to -O0
'g': ['-g'],
'1': ['-O1'],
'2': ['-O2'],
'3': ['-O3'],
's': ['-Oz']
}
class ArmCompiler(Compiler):
"""Functionality that is common to all ARM family compilers."""
id = 'arm'
def __init__(self) -> None:
if not self.is_cross:
raise mesonlib.EnvironmentException('armcc supports only cross-compilation.')
default_warn_args: T.List[str] = []
self.warn_args = {'0': [],
'1': default_warn_args,
'2': default_warn_args + [],
'3': default_warn_args + [],
'everything': default_warn_args + []}
# Assembly
self.can_compile_suffixes.add('s')
self.can_compile_suffixes.add('sx')
def get_pic_args(self) -> T.List[str]:
# FIXME: Add /ropi, /rwpi, /fpic etc. qualifiers to --apcs
return []
# Override CCompiler.get_always_args
def get_always_args(self) -> T.List[str]:
return []
def get_dependency_gen_args(self, outtarget: str, outfile: str) -> T.List[str]:
return ['--depend_target', outtarget, '--depend', outfile, '--depend_single_line']
def get_pch_use_args(self, pch_dir: str, header: str) -> T.List[str]:
# FIXME: Add required arguments
# NOTE from armcc user guide:
# "Support for Precompiled Header (PCH) files is deprecated from ARM Compiler 5.05
# onwards on all platforms. Note that ARM Compiler on Windows 8 never supported
# PCH files."
return []
def get_pch_suffix(self) -> str:
# NOTE from armcc user guide:
# "Support for Precompiled Header (PCH) files is deprecated from ARM Compiler 5.05
# onwards on all platforms. Note that ARM Compiler on Windows 8 never supported
# PCH files."
return 'pch'
def thread_flags(self, env: 'Environment') -> T.List[str]:
return []
def get_coverage_args(self) -> T.List[str]:
return []
def get_optimization_args(self, optimization_level: str) -> T.List[str]:
return arm_optimization_args[optimization_level]
def get_debug_args(self, is_debug: bool) -> T.List[str]:
return clike_debug_args[is_debug]
def compute_parameters_with_absolute_paths(self, parameter_list: T.List[str], build_dir: str) -> T.List[str]:
for idx, i in enumerate(parameter_list):
if i[:2] == '-I' or i[:2] == '-L':
parameter_list[idx] = i[:2] + os.path.normpath(os.path.join(build_dir, i[2:]))
return parameter_list
class ArmclangCompiler(Compiler):
'''
This is the Keil armclang.
'''
id = 'armclang'
def __init__(self) -> None:
if not self.is_cross:
raise mesonlib.EnvironmentException('armclang supports only cross-compilation.')
# Check whether 'armlink' is available in path
if not isinstance(self.linker, ArmClangDynamicLinker):
raise mesonlib.EnvironmentException(f'Unsupported Linker {self.linker.exelist}, must be armlink')
if not mesonlib.version_compare(self.version, '==' + self.linker.version):
raise mesonlib.EnvironmentException('armlink version does not match with compiler version')
self.base_options = {
OptionKey(o) for o in
['b_pch', 'b_lto', 'b_pgo', 'b_sanitize', 'b_coverage',
'b_ndebug', 'b_staticpic', 'b_colorout']}
# Assembly
self.can_compile_suffixes.add('s')
self.can_compile_suffixes.add('sx')
def get_pic_args(self) -> T.List[str]:
# PIC support is not enabled by default for ARM,
# if users want to use it, they need to add the required arguments explicitly
return []
def get_colorout_args(self, colortype: str) -> T.List[str]:
return clang_color_args[colortype][:]
def get_pch_suffix(self) -> str:
return 'gch'
def get_pch_use_args(self, pch_dir: str, header: str) -> T.List[str]:
# Workaround for Clang bug http://llvm.org/bugs/show_bug.cgi?id=15136
# This flag is internal to Clang (or at least not documented on the man page)
# so it might change semantics at any time.
return ['-include-pch', os.path.join(pch_dir, self.get_pch_name(header))]
def get_dependency_gen_args(self, outtarget: str, outfile: str) -> T.List[str]:
return ['-MD', '-MT', outtarget, '-MF', outfile]
def get_optimization_args(self, optimization_level: str) -> T.List[str]:
return armclang_optimization_args[optimization_level]
def get_debug_args(self, is_debug: bool) -> T.List[str]:
return clike_debug_args[is_debug]
def compute_parameters_with_absolute_paths(self, parameter_list: T.List[str], build_dir: str) -> T.List[str]:
for idx, i in enumerate(parameter_list):
if i[:2] == '-I' or i[:2] == '-L':
parameter_list[idx] = i[:2] + os.path.normpath(os.path.join(build_dir, i[2:]))
return parameter_list
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