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# Copyright 2012-2019 The Meson development team
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
# http://www.apache.org/licenses/LICENSE-2.0
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Representations specific to the arm family of compilers."""
import os
import re
import typing as T
from ... import mesonlib
from ..compilers import clike_debug_args
from .clang import clang_color_args
if T.TYPE_CHECKING:
from ...environment import Environment
arm_buildtype_args = {
'plain': [],
'debug': ['-O0', '--debug'],
'debugoptimized': ['-O1', '--debug'],
'release': ['-O3', '-Otime'],
'minsize': ['-O3', '-Ospace'],
'custom': [],
} # type: T.Dict[str, T.List[str]]
arm_optimization_args = {
'0': ['-O0'],
'g': ['-g'],
'1': ['-O1'],
'2': ['-O2'],
'3': ['-O3'],
's': [],
} # type: T.Dict[str, T.List[str]]
armclang_buildtype_args = {
'plain': [],
'debug': ['-O0', '-g'],
'debugoptimized': ['-O1', '-g'],
'release': ['-Os'],
'minsize': ['-Oz'],
'custom': [],
} # type: T.Dict[str, T.List[str]]
armclang_optimization_args = {
'0': ['-O0'],
'g': ['-g'],
'1': ['-O1'],
'2': ['-O2'],
'3': ['-O3'],
's': ['-Os']
} # type: T.Dict[str, T.List[str]]
class ArmCompiler:
# Functionality that is common to all ARM family compilers.
def __init__(self):
if not self.is_cross:
raise mesonlib.EnvironmentException('armcc supports only cross-compilation.')
self.id = 'arm'
default_warn_args = [] # type: T.List[str]
self.warn_args = {'0': [],
'1': default_warn_args,
'2': default_warn_args + [],
'3': default_warn_args + []}
# Assembly
self.can_compile_suffixes.add('s')
def get_pic_args(self) -> T.List[str]:
# FIXME: Add /ropi, /rwpi, /fpic etc. qualifiers to --apcs
return []
def get_buildtype_args(self, buildtype: str) -> T.List[str]:
return arm_buildtype_args[buildtype]
# Override CCompiler.get_always_args
def get_always_args(self) -> T.List[str]:
return []
# Override CCompiler.get_dependency_gen_args
def get_dependency_gen_args(self, outtarget: str, outfile: str) -> T.List[str]:
return []
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:
def __init__(self):
if not self.is_cross:
raise mesonlib.EnvironmentException('armclang supports only cross-compilation.')
# Check whether 'armlink' is available in path
self.linker_exe = 'armlink'
args = '--vsn'
try:
p, stdo, stderr = mesonlib.Popen_safe(self.linker_exe, args)
except OSError as e:
err_msg = 'Unknown linker\nRunning "{0}" gave \n"{1}"'.format(' '.join([self.linker_exe] + [args]), e)
raise mesonlib.EnvironmentException(err_msg)
# Verify the armlink version
ver_str = re.search('.*Component.*', stdo)
if ver_str:
ver_str = ver_str.group(0)
else:
raise mesonlib.EnvironmentException('armlink version string not found')
assert ver_str # makes mypy happy
# Using the regular expression from environment.search_version,
# which is used for searching compiler version
version_regex = r'(?<!(\d|\.))(\d{1,2}(\.\d+)+(-[a-zA-Z0-9]+)?)'
linker_ver = re.search(version_regex, ver_str)
if linker_ver:
linker_ver = linker_ver.group(0)
if not mesonlib.version_compare(self.version, '==' + linker_ver):
raise mesonlib.EnvironmentException('armlink version does not match with compiler version')
self.id = 'armclang'
self.base_options = ['b_pch', 'b_lto', 'b_pgo', 'b_sanitize', 'b_coverage',
'b_ndebug', 'b_staticpic', 'b_colorout']
# Assembly
self.can_compile_suffixes.update('s')
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_buildtype_args(self, buildtype: str) -> T.List[str]:
return armclang_buildtype_args[buildtype]
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))]
# Override CCompiler.get_dependency_gen_args
def get_dependency_gen_args(self, outtarget: str, outfile: str) -> T.List[str]:
return []
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