mirror of https://github.com/ARMmbed/mbed-os.git
316 lines
12 KiB
Python
316 lines
12 KiB
Python
"""
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mbed SDK
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Copyright (c) 2011-2013 ARM Limited
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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"""
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import re
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from os.path import join, basename, splitext, dirname, exists
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from distutils.spawn import find_executable
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from tools.toolchains import mbedToolchain, TOOLCHAIN_PATHS
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from tools.hooks import hook_tool
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class GCC(mbedToolchain):
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LINKER_EXT = '.ld'
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LIBRARY_EXT = '.a'
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STD_LIB_NAME = "lib%s.a"
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DIAGNOSTIC_PATTERN = re.compile('((?P<file>[^:]+):(?P<line>\d+):)(\d+:)? (?P<severity>warning|[eE]rror|fatal error): (?P<message>.+)')
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INDEX_PATTERN = re.compile('(?P<col>\s*)\^')
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def __init__(self, target, notify=None, macros=None,
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silent=False, extra_verbose=False, build_profile=None,
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build_dir=None):
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mbedToolchain.__init__(self, target, notify, macros, silent,
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extra_verbose=extra_verbose,
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build_profile=build_profile, build_dir=build_dir)
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tool_path=TOOLCHAIN_PATHS['GCC_ARM']
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# Add flags for current size setting
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default_lib = "std"
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if hasattr(target, "default_lib"):
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default_lib = target.default_lib
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elif hasattr(target, "default_build"): # Legacy
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default_lib = target.default_build
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if default_lib == "small":
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self.flags["common"].append("-DMBED_RTOS_SINGLE_THREAD")
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self.flags["ld"].append("--specs=nano.specs")
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if target.core == "Cortex-M0+":
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cpu = "cortex-m0plus"
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elif target.core == "Cortex-M4F":
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cpu = "cortex-m4"
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elif target.core == "Cortex-M7F":
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cpu = "cortex-m7"
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elif target.core == "Cortex-M7FD":
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cpu = "cortex-m7"
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elif target.core == "Cortex-M23-NS":
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cpu = "cortex-m23"
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elif target.core == "Cortex-M33-NS":
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cpu = "cortex-m33"
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else:
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cpu = target.core.lower()
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self.cpu = ["-mcpu=%s" % cpu]
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if target.core.startswith("Cortex-M"):
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self.cpu.append("-mthumb")
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# FPU handling, M7 possibly to have double FPU
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if target.core == "Cortex-M4F":
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self.cpu.append("-mfpu=fpv4-sp-d16")
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self.cpu.append("-mfloat-abi=softfp")
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elif target.core == "Cortex-M7F":
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self.cpu.append("-mfpu=fpv5-sp-d16")
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self.cpu.append("-mfloat-abi=softfp")
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elif target.core == "Cortex-M7FD":
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self.cpu.append("-mfpu=fpv5-d16")
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self.cpu.append("-mfloat-abi=softfp")
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if target.core == "Cortex-A9":
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self.cpu.append("-mthumb-interwork")
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self.cpu.append("-marm")
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self.cpu.append("-march=armv7-a")
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self.cpu.append("-mfpu=vfpv3")
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self.cpu.append("-mfloat-abi=hard")
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self.cpu.append("-mno-unaligned-access")
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if target.core.startswith("Cortex-M23"):
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self.cpu.append("-march=armv8-m.base")
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elif target.core.startswith("Cortex-M33"):
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self.cpu.append("-march=armv8-m.main")
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if target.core == "Cortex-M23" or target.core == "Cortex-M33":
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self.cpu.append("-mcmse")
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self.flags["common"] += self.cpu
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main_cc = join(tool_path, "arm-none-eabi-gcc")
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main_cppc = join(tool_path, "arm-none-eabi-g++")
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self.asm = [main_cc] + self.flags['asm'] + self.flags["common"]
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self.cc = [main_cc]
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self.cppc =[main_cppc]
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self.cc += self.flags['c'] + self.flags['common']
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self.cppc += self.flags['cxx'] + self.flags['common']
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self.flags['ld'] += self.cpu
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self.ld = [join(tool_path, "arm-none-eabi-gcc")] + self.flags['ld']
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self.sys_libs = ["stdc++", "supc++", "m", "c", "gcc", "nosys"]
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self.preproc = [join(tool_path, "arm-none-eabi-cpp"), "-E", "-P"]
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self.ar = join(tool_path, "arm-none-eabi-ar")
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self.elf2bin = join(tool_path, "arm-none-eabi-objcopy")
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def parse_dependencies(self, dep_path):
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dependencies = []
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buff = open(dep_path).readlines()
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buff[0] = re.sub('^(.*?)\: ', '', buff[0])
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for line in buff:
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file = line.replace('\\\n', '').strip()
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if file:
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# GCC might list more than one dependency on a single line, in this case
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# the dependencies are separated by a space. However, a space might also
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# indicate an actual space character in a dependency path, but in this case
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# the space character is prefixed by a backslash.
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# Temporary replace all '\ ' with a special char that is not used (\a in this
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# case) to keep them from being interpreted by 'split' (they will be converted
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# back later to a space char)
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file = file.replace('\\ ', '\a')
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if file.find(" ") == -1:
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dependencies.append((self.CHROOT if self.CHROOT else '') + file.replace('\a', ' '))
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else:
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dependencies = dependencies + [(self.CHROOT if self.CHROOT else '') + f.replace('\a', ' ') for f in file.split(" ")]
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return dependencies
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def is_not_supported_error(self, output):
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return "error: #error [NOT_SUPPORTED]" in output
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def parse_output(self, output):
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# The warning/error notification is multiline
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msg = None
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for line in output.splitlines():
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match = self.DIAGNOSTIC_PATTERN.search(line)
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if match is not None:
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if msg is not None:
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self.cc_info(msg)
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msg = None
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msg = {
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'severity': match.group('severity').lower(),
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'file': match.group('file'),
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'line': match.group('line'),
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'col': 0,
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'message': match.group('message'),
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'text': '',
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'target_name': self.target.name,
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'toolchain_name': self.name
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}
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elif msg is not None:
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# Determine the warning/error column by calculating the ^ position
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match = self.INDEX_PATTERN.match(line)
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if match is not None:
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msg['col'] = len(match.group('col'))
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self.cc_info(msg)
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msg = None
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else:
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msg['text'] += line+"\n"
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if msg is not None:
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self.cc_info(msg)
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def get_dep_option(self, object):
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base, _ = splitext(object)
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dep_path = base + '.d'
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return ["-MD", "-MF", dep_path]
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def get_config_option(self, config_header):
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return ['-include', config_header]
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def get_compile_options(self, defines, includes, for_asm=False):
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opts = ['-D%s' % d for d in defines]
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if self.RESPONSE_FILES:
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opts += ['@%s' % self.get_inc_file(includes)]
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else:
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opts += ["-I%s" % i for i in includes]
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if not for_asm:
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config_header = self.get_config_header()
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if config_header is not None:
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opts = opts + self.get_config_option(config_header)
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return opts
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@hook_tool
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def assemble(self, source, object, includes):
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# Build assemble command
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cmd = self.asm + self.get_compile_options(self.get_symbols(True), includes) + ["-o", object, source]
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# Call cmdline hook
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cmd = self.hook.get_cmdline_assembler(cmd)
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# Return command array, don't execute
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return [cmd]
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@hook_tool
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def compile(self, cc, source, object, includes):
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# Build compile command
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cmd = cc + self.get_compile_options(self.get_symbols(), includes)
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cmd.extend(self.get_dep_option(object))
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cmd.extend(["-o", object, source])
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# Call cmdline hook
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cmd = self.hook.get_cmdline_compiler(cmd)
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return [cmd]
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def compile_c(self, source, object, includes):
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return self.compile(self.cc, source, object, includes)
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def compile_cpp(self, source, object, includes):
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return self.compile(self.cppc, source, object, includes)
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@hook_tool
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def link(self, output, objects, libraries, lib_dirs, mem_map):
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libs = []
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for l in libraries:
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name, _ = splitext(basename(l))
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libs.append("-l%s" % name[3:])
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libs.extend(["-l%s" % l for l in self.sys_libs])
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# Preprocess
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if mem_map:
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preproc_output = join(dirname(output), ".link_script.ld")
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cmd = (self.preproc + [mem_map] + self.ld[1:] +
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[ "-o", preproc_output])
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self.cc_verbose("Preproc: %s" % ' '.join(cmd))
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self.default_cmd(cmd)
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mem_map = preproc_output
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# Build linker command
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map_file = splitext(output)[0] + ".map"
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cmd = self.ld + ["-o", output, "-Wl,-Map=%s" % map_file] + objects + ["-Wl,--start-group"] + libs + ["-Wl,--end-group"]
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if mem_map:
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cmd.extend(['-T', mem_map])
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for L in lib_dirs:
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cmd.extend(['-L', L])
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cmd.extend(libs)
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# Call cmdline hook
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cmd = self.hook.get_cmdline_linker(cmd)
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if self.RESPONSE_FILES:
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# Split link command to linker executable + response file
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cmd_linker = cmd[0]
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link_files = self.get_link_file(cmd[1:])
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cmd = [cmd_linker, "@%s" % link_files]
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# Exec command
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self.cc_verbose("Link: %s" % ' '.join(cmd))
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self.default_cmd(cmd)
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@hook_tool
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def archive(self, objects, lib_path):
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if self.RESPONSE_FILES:
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param = ["@%s" % self.get_arch_file(objects)]
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else:
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param = objects
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# Exec command
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self.default_cmd([self.ar, 'rcs', lib_path] + param)
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@hook_tool
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def binary(self, resources, elf, bin):
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# Build binary command
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_, fmt = splitext(bin)
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bin_arg = {'.bin': 'binary', '.hex': 'ihex'}[fmt]
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cmd = [self.elf2bin, "-O", bin_arg, elf, bin]
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# Call cmdline hook
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cmd = self.hook.get_cmdline_binary(cmd)
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# Exec command
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self.cc_verbose("FromELF: %s" % ' '.join(cmd))
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self.default_cmd(cmd)
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@staticmethod
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def name_mangle(name):
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return "_Z%i%sv" % (len(name), name)
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@staticmethod
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def make_ld_define(name, value):
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return "-D%s=0x%x" % (name, value)
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@staticmethod
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def redirect_symbol(source, sync, build_dir):
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return "-Wl,--defsym=%s=%s" % (source, sync)
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@staticmethod
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def check_executable():
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"""Returns True if the executable (arm-none-eabi-gcc) location
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specified by the user exists OR the executable can be found on the PATH.
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Returns False otherwise."""
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if not TOOLCHAIN_PATHS['GCC_ARM'] or not exists(TOOLCHAIN_PATHS['GCC_ARM']):
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if find_executable('arm-none-eabi-gcc'):
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TOOLCHAIN_PATHS['GCC_ARM'] = ''
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return True
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else:
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return False
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else:
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exec_name = join(TOOLCHAIN_PATHS['GCC_ARM'], 'arm-none-eabi-gcc')
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return exists(exec_name) or exists(exec_name + '.exe')
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class GCC_ARM(GCC):
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pass
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