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mbed-os/tools/toolchains/__init__.py

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"""
mbed SDK
Copyright (c) 2011-2013 ARM Limited
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.
"""
from __future__ import print_function, division, absolute_import
import re
import sys
import json
from os import stat, walk, getcwd, sep, remove
from copy import copy
from time import time, sleep
from shutil import copyfile
from os.path import (join, splitext, exists, relpath, dirname, basename, split,
abspath, isfile, isdir, normcase)
from inspect import getmro
from copy import deepcopy
from collections import namedtuple
from abc import ABCMeta, abstractmethod
from distutils.spawn import find_executable
from multiprocessing import Pool, cpu_count
from hashlib import md5
from ..utils import (run_cmd, mkdir, rel_path, ToolException,
NotSupportedException, split_path, compile_worker)
from ..settings import MBED_ORG_USER, PRINT_COMPILER_OUTPUT_AS_LINK
from .. import hooks
from ..notifier.term import TerminalNotifier
from ..resources import FileType
from ..memap import MemapParser
from ..config import ConfigException
#Disables multiprocessing if set to higher number than the host machine CPUs
CPU_COUNT_MIN = 1
CPU_COEF = 1
class mbedToolchain:
# Verbose logging
VERBOSE = True
# Compile C files as CPP
COMPILE_C_AS_CPP = False
# Response files for compiling, includes, linking and archiving.
# Not needed on posix systems where the typical arg limit is 2 megabytes
RESPONSE_FILES = True
CORTEX_SYMBOLS = {
"Cortex-M0" : ["__CORTEX_M0", "ARM_MATH_CM0", "__CMSIS_RTOS", "__MBED_CMSIS_RTOS_CM"],
"Cortex-M0+": ["__CORTEX_M0PLUS", "ARM_MATH_CM0PLUS", "__CMSIS_RTOS", "__MBED_CMSIS_RTOS_CM"],
"Cortex-M1" : ["__CORTEX_M3", "ARM_MATH_CM1", "__CMSIS_RTOS", "__MBED_CMSIS_RTOS_CM"],
"Cortex-M3" : ["__CORTEX_M3", "ARM_MATH_CM3", "__CMSIS_RTOS", "__MBED_CMSIS_RTOS_CM"],
"Cortex-M4" : ["__CORTEX_M4", "ARM_MATH_CM4", "__CMSIS_RTOS", "__MBED_CMSIS_RTOS_CM"],
"Cortex-M4F" : ["__CORTEX_M4", "ARM_MATH_CM4", "__FPU_PRESENT=1", "__CMSIS_RTOS", "__MBED_CMSIS_RTOS_CM"],
"Cortex-M7" : ["__CORTEX_M7", "ARM_MATH_CM7", "__CMSIS_RTOS", "__MBED_CMSIS_RTOS_CM"],
"Cortex-M7F" : ["__CORTEX_M7", "ARM_MATH_CM7", "__FPU_PRESENT=1", "__CMSIS_RTOS", "__MBED_CMSIS_RTOS_CM"],
"Cortex-M7FD" : ["__CORTEX_M7", "ARM_MATH_CM7", "__FPU_PRESENT=1", "__CMSIS_RTOS", "__MBED_CMSIS_RTOS_CM"],
"Cortex-A9" : ["__CORTEX_A9", "ARM_MATH_CA9", "__FPU_PRESENT", "__CMSIS_RTOS", "__EVAL", "__MBED_CMSIS_RTOS_CA9"],
"Cortex-M23-NS": ["__CORTEX_M23", "ARM_MATH_ARMV8MBL", "DOMAIN_NS=1", "__CMSIS_RTOS", "__MBED_CMSIS_RTOS_CM"],
"Cortex-M23": ["__CORTEX_M23", "ARM_MATH_ARMV8MBL", "__CMSIS_RTOS", "__MBED_CMSIS_RTOS_CM"],
"Cortex-M33-NS": ["__CORTEX_M33", "ARM_MATH_ARMV8MML", "DOMAIN_NS=1", "__CMSIS_RTOS", "__MBED_CMSIS_RTOS_CM"],
"Cortex-M33": ["__CORTEX_M33", "ARM_MATH_ARMV8MML", "__CMSIS_RTOS", "__MBED_CMSIS_RTOS_CM"],
"Cortex-M33F-NS": ["__CORTEX_M33", "ARM_MATH_ARMV8MML", "DOMAIN_NS=1", "__FPU_PRESENT", "__CMSIS_RTOS", "__MBED_CMSIS_RTOS_CM"],
"Cortex-M33F": ["__CORTEX_M33", "ARM_MATH_ARMV8MML", "__FPU_PRESENT", "__CMSIS_RTOS", "__MBED_CMSIS_RTOS_CM"],
}
MBED_CONFIG_FILE_NAME="mbed_config.h"
PROFILE_FILE_NAME = ".profile"
__metaclass__ = ABCMeta
profile_template = {'common':[], 'c':[], 'cxx':[], 'asm':[], 'ld':[]}
def __init__(self, target, notify=None, macros=None, build_profile=None,
build_dir=None):
self.target = target
self.name = self.__class__.__name__
# compile/assemble/link/binary hooks
self.hook = hooks.Hook(target, self)
# Toolchain flags
self.flags = deepcopy(build_profile or self.profile_template)
# System libraries provided by the toolchain
self.sys_libs = []
# User-defined macros
self.macros = macros or []
# Macros generated from toolchain and target rules/features
self.asm_symbols = None
self.cxx_symbols = None
# Labels generated from toolchain and target rules/features (used for selective build)
self.labels = None
# This will hold the initialized config object
self.config = None
# This will hold the configuration data (as returned by Config.get_config_data())
self.config_data = None
# This will hold the location of the configuration file or None if there's no configuration available
self.config_file = None
# Call guard for "get_config_data" (see the comments of get_config_data for details)
self.config_processed = False
# Non-incremental compile
self.build_all = False
# Build output dir
self.build_dir = abspath(build_dir) if PRINT_COMPILER_OUTPUT_AS_LINK else build_dir
self.timestamp = time()
# Number of concurrent build jobs. 0 means auto (based on host system cores)
self.jobs = 0
# Output notify function
# This function is passed all events, and expected to handle notification of the
# user, emit the events to a log, etc.
# The API for all notify methods passed into the notify parameter is as follows:
# def notify(Event, Silent)
# Where *Event* is a dict representing the toolchain event that was generated
# e.g.: a compile succeeded, or a warning was emitted by the compiler
# or an application was linked
# *Silent* is a boolean
if notify:
self.notify = notify
else:
self.notify = TerminalNotifier()
# uVisor spepcific rules
if 'UVISOR' in self.target.features and 'UVISOR_SUPPORTED' in self.target.extra_labels:
self.target.core = re.sub(r"F$", '', self.target.core)
# Stats cache is used to reduce the amount of IO requests to stat
# header files during dependency change. See need_update()
self.stat_cache = {}
# Used by the mbed Online Build System to build in chrooted environment
self.CHROOT = None
# Call post __init__() hooks before the ARM/GCC_ARM/IAR toolchain __init__() takes over
self.init()
# Used for post __init__() hooks
# THIS METHOD IS BEING OVERRIDDEN BY THE MBED ONLINE BUILD SYSTEM
# ANY CHANGE OF PARAMETERS OR RETURN VALUES WILL BREAK COMPATIBILITY
def init(self):
return True
def get_output(self):
return self.notifier.get_output()
def get_symbols(self, for_asm=False):
if for_asm:
if self.asm_symbols is None:
self.asm_symbols = []
# Cortex CPU symbols
if self.target.core in mbedToolchain.CORTEX_SYMBOLS:
self.asm_symbols.extend(mbedToolchain.CORTEX_SYMBOLS[self.target.core])
# Add target's symbols
self.asm_symbols += self.target.macros
# Add extra symbols passed via 'macros' parameter
self.asm_symbols += self.macros
return list(set(self.asm_symbols)) # Return only unique symbols
else:
if self.cxx_symbols is None:
# Target and Toolchain symbols
labels = self.get_labels()
self.cxx_symbols = ["TARGET_%s" % t for t in labels['TARGET']]
self.cxx_symbols.extend(["TOOLCHAIN_%s" % t for t in labels['TOOLCHAIN']])
# Cortex CPU symbols
if self.target.core in mbedToolchain.CORTEX_SYMBOLS:
self.cxx_symbols.extend(mbedToolchain.CORTEX_SYMBOLS[self.target.core])
# Symbols defined by the on-line build.system
self.cxx_symbols.extend(['MBED_BUILD_TIMESTAMP=%s' % self.timestamp, 'TARGET_LIKE_MBED', '__MBED__=1'])
if MBED_ORG_USER:
self.cxx_symbols.append('MBED_USERNAME=' + MBED_ORG_USER)
# Add target's symbols
self.cxx_symbols += self.target.macros
# Add target's hardware
self.cxx_symbols += ["DEVICE_" + data + "=1" for data in self.target.device_has]
# Add target's features
self.cxx_symbols += ["FEATURE_" + data + "=1" for data in self.target.features]
# Add extra symbols passed via 'macros' parameter
self.cxx_symbols += self.macros
# Form factor variables
if hasattr(self.target, 'supported_form_factors'):
self.cxx_symbols.extend(["TARGET_FF_%s" % t for t in self.target.supported_form_factors])
return list(set(self.cxx_symbols)) # Return only unique symbols
# Extend the internal list of macros
def add_macros(self, new_macros):
self.macros.extend(new_macros)
def get_labels(self):
if self.labels is None:
toolchain_labels = self._get_toolchain_labels()
self.labels = {
'TARGET': self.target.labels,
'FEATURE': self.target.features,
'TOOLCHAIN': toolchain_labels
}
# This is a policy decision and it should /really/ be in the config system
# ATM it's here for backward compatibility
if ((("-g" in self.flags['common'] or "-g3" in self.flags['common']) and
"-O0" in self.flags['common']) or
("-r" in self.flags['common'] and
"-On" in self.flags['common'])):
self.labels['TARGET'].append("DEBUG")
else:
self.labels['TARGET'].append("RELEASE")
return self.labels
def _get_toolchain_labels(self):
toolchain_labels = [c.__name__ for c in getmro(self.__class__)]
toolchain_labels.remove('mbedToolchain')
toolchain_labels.remove('object')
return toolchain_labels
# Determine whether a source file needs updating/compiling
def need_update(self, target, dependencies):
if self.build_all:
return True
if not exists(target):
return True
target_mod_time = stat(target).st_mtime
for d in dependencies:
# Some objects are not provided with full path and here we do not have
# information about the library paths. Safe option: assume an update
if not d or not exists(d):
return True
if d not in self.stat_cache:
self.stat_cache[d] = stat(d).st_mtime
if self.stat_cache[d] >= target_mod_time:
return True
return False
def scan_repository(self, path):
resources = []
for root, dirs, files in walk(path):
# Remove ignored directories
for d in copy(dirs):
if d == '.' or d == '..':
dirs.remove(d)
for file in files:
file_path = join(root, file)
resources.append(file_path)
return resources
def copy_files(self, files_paths, trg_path, resources=None):
# Handle a single file
if not isinstance(files_paths, list):
files_paths = [files_paths]
for dest, source in files_paths:
target = join(trg_path, dest)
if (target != source) and (self.need_update(target, [source])):
self.progress("copy", dest)
mkdir(dirname(target))
copyfile(source, target)
# THIS METHOD IS BEING OVERRIDDEN BY THE MBED ONLINE BUILD SYSTEM
# ANY CHANGE OF PARAMETERS OR RETURN VALUES WILL BREAK COMPATIBILITY
def relative_object_path(self, build_path, file_ref):
source_dir, name, _ = split_path(file_ref.name)
obj_dir = relpath(join(build_path, source_dir))
if obj_dir is not self.prev_dir:
self.prev_dir = obj_dir
mkdir(obj_dir)
return join(obj_dir, name + '.o')
def make_option_file(self, options, naming=".options_{}.txt"):
""" Generate a via file for a pile of defines
ARM, GCC, IAR cross compatible
"""
to_write = " ".join(options).encode('utf-8')
new_md5 = md5(to_write).hexdigest()
via_file = join(self.build_dir, naming.format(new_md5))
try:
with open(via_file, "r") as fd:
old_md5 = md5(fd.read().encode('utf-8')).hexdigest()
except IOError:
old_md5 = None
if old_md5 != new_md5:
with open(via_file, "wb") as fd:
fd.write(to_write)
return via_file
def get_inc_file(self, includes):
"""Generate a via file for all includes.
ARM, GCC, IAR cross compatible
"""
cmd_list = ("-I{}".format(c.replace("\\", "/")) for c in includes if c)
if self.CHROOT:
cmd_list = (c.replace(self.CHROOT, '') for c in cmd_list)
return self.make_option_file(list(cmd_list), naming=".includes_{}.txt")
def get_link_file(self, cmd):
"""Generate a via file for all objects when linking.
ARM, GCC, IAR cross compatible
"""
cmd_list = (c.replace("\\", "/") for c in cmd if c)
if self.CHROOT:
cmd_list = (c.replace(self.CHROOT, '') for c in cmd_list)
return self.make_option_file(list(cmd_list), naming=".link_options.txt")
def get_arch_file(self, objects):
""" Generate a via file for all objects when archiving.
ARM, GCC, IAR cross compatible
"""
cmd_list = (c.replace("\\", "/") for c in objects if c)
return self.make_option_file(list(cmd_list), ".archive_files.txt")
# THIS METHOD IS BEING CALLED BY THE MBED ONLINE BUILD SYSTEM
# ANY CHANGE OF PARAMETERS OR RETURN VALUES WILL BREAK COMPATIBILITY
def compile_sources(self, resources, inc_dirs=None):
# Web IDE progress bar for project build
files_to_compile = (
resources.get_file_refs(FileType.ASM_SRC) +
resources.get_file_refs(FileType.C_SRC) +
resources.get_file_refs(FileType.CPP_SRC)
)
self.to_be_compiled = len(files_to_compile)
self.compiled = 0
self.notify.cc_verbose("Macros: "+' '.join(['-D%s' % s for s in self.get_symbols()]))
inc_paths = resources.get_file_paths(FileType.INC_DIR)
if inc_dirs is not None:
if isinstance(inc_dirs, list):
inc_paths.extend(inc_dirs)
else:
inc_paths.append(inc_dirs)
# De-duplicate include paths
inc_paths = set(inc_paths)
# Sort include paths for consistency
inc_paths = sorted(set(inc_paths))
# Unique id of all include paths
self.inc_md5 = md5(' '.join(inc_paths).encode('utf-8')).hexdigest()
objects = []
queue = []
work_dir = getcwd()
self.prev_dir = None
# Generate configuration header (this will update self.build_all if needed)
self.get_config_header()
self.dump_build_profile()
# Sort compile queue for consistency
files_to_compile.sort()
for source in files_to_compile:
object = self.relative_object_path(self.build_dir, source)
# Queue mode (multiprocessing)
commands = self.compile_command(source.path, object, inc_paths)
if commands is not None:
queue.append({
'source': source,
'object': object,
'commands': commands,
'work_dir': work_dir,
'chroot': self.CHROOT
})
else:
self.compiled += 1
objects.append(object)
# Use queues/multiprocessing if cpu count is higher than setting
jobs = self.jobs if self.jobs else cpu_count()
if jobs > CPU_COUNT_MIN and len(queue) > jobs:
return self.compile_queue(queue, objects)
else:
return self.compile_seq(queue, objects)
# Compile source files queue in sequential order
def compile_seq(self, queue, objects):
for item in queue:
result = compile_worker(item)
self.compiled += 1
self.progress("compile", item['source'].name, build_update=True)
for res in result['results']:
self.notify.cc_verbose("Compile: %s" % ' '.join(res['command']), result['source'])
self.compile_output([
res['code'],
res['output'],
res['command']
])
objects.append(result['object'])
return objects
# Compile source files queue in parallel by creating pool of worker threads
def compile_queue(self, queue, objects):
jobs_count = int(self.jobs if self.jobs else cpu_count() * CPU_COEF)
p = Pool(processes=jobs_count)
results = []
for i in range(len(queue)):
results.append(p.apply_async(compile_worker, [queue[i]]))
p.close()
itr = 0
while len(results):
itr += 1
if itr > 180000:
p.terminate()
p.join()
raise ToolException("Compile did not finish in 5 minutes")
sleep(0.01)
pending = 0
for r in results:
if r.ready():
try:
result = r.get()
results.remove(r)
self.compiled += 1
self.progress("compile", result['source'].name, build_update=True)
for res in result['results']:
self.notify.cc_verbose("Compile: %s" % ' '.join(res['command']), result['source'])
self.compile_output([
res['code'],
res['output'],
res['command']
])
objects.append(result['object'])
except ToolException as err:
if p._taskqueue.queue:
p._taskqueue.queue.clear()
sleep(0.5)
p.terminate()
p.join()
raise ToolException(err)
else:
pending += 1
if pending >= jobs_count:
break
results = None
p.join()
return objects
# Determine the compile command based on type of source file
def compile_command(self, source, object, includes):
# Check dependencies
_, ext = splitext(source)
ext = ext.lower()
source = abspath(source) if PRINT_COMPILER_OUTPUT_AS_LINK else source
if ext == '.c' or ext == '.cpp' or ext == '.cc':
base, _ = splitext(object)
dep_path = base + '.d'
try:
deps = self.parse_dependencies(dep_path) if (exists(dep_path)) else []
except (IOError, IndexError):
deps = []
config_file = ([self.config.app_config_location]
if self.config.app_config_location else [])
deps.extend(config_file)
if ext != '.c' or self.COMPILE_C_AS_CPP:
deps.append(join(self.build_dir, self.PROFILE_FILE_NAME + "-cxx"))
else:
deps.append(join(self.build_dir, self.PROFILE_FILE_NAME + "-c"))
if len(deps) == 0 or self.need_update(object, deps):
if ext != '.c' or self.COMPILE_C_AS_CPP:
return self.compile_cpp(source, object, includes)
else:
return self.compile_c(source, object, includes)
elif ext == '.s':
deps = [source]
deps.append(join(self.build_dir, self.PROFILE_FILE_NAME + "-asm"))
if self.need_update(object, deps):
return self.assemble(source, object, includes)
else:
return False
return None
def parse_dependencies(self, dep_path):
"""Parse the dependency information generated by the compiler.
Positional arguments:
dep_path -- the path to a file generated by a previous run of the compiler
Return value:
A list of all source files that the dependency file indicated were dependencies
Side effects:
None
Note: A default implementation is provided for make-like file formats
"""
dependencies = []
buff = open(dep_path).readlines()
if buff:
buff[0] = re.sub('^(.*?)\: ', '', buff[0])
for line in buff:
filename = line.replace('\\\n', '').strip()
if filename:
filename = filename.replace('\\ ', '\a')
dependencies.extend(((self.CHROOT if self.CHROOT else '') +
f.replace('\a', ' '))
for f in filename.split(" "))
return list(filter(None, dependencies))
def is_not_supported_error(self, output):
return "#error directive: [NOT_SUPPORTED]" in output
@abstractmethod
def parse_output(self, output):
"""Take in compiler output and extract sinlge line warnings and errors from it.
Positional arguments:
output -- a string of all the messages emitted by a run of the compiler
Return value:
None
Side effects:
call self.cc_info or self.notify with a description of the event generated by the compiler
"""
raise NotImplemented
def compile_output(self, output=[]):
_rc = output[0]
_stderr = output[1].decode("utf-8")
command = output[2]
# Parse output for Warnings and Errors
self.parse_output(_stderr)
self.notify.debug("Return: %s"% _rc)
for error_line in _stderr.splitlines():
self.notify.debug("Output: %s"% error_line)
# Check return code
if _rc != 0:
if self.is_not_supported_error(_stderr):
raise NotSupportedException(_stderr)
else:
raise ToolException(_stderr)
def build_library(self, objects, dir, name):
needed_update = False
lib = self.STD_LIB_NAME % name
fout = join(dir, lib)
if self.need_update(fout, objects):
self.notify.info("Library: %s" % lib)
self.archive(objects, fout)
needed_update = True
return needed_update
def link_program(self, r, tmp_path, name):
needed_update = False
ext = 'bin'
if hasattr(self.target, 'OUTPUT_EXT'):
ext = self.target.OUTPUT_EXT
if hasattr(self.target, 'OUTPUT_NAMING'):
self.notify.var("binary_naming", self.target.OUTPUT_NAMING)
if self.target.OUTPUT_NAMING == "8.3":
name = name[0:8]
ext = ext[0:3]
# Create destination directory
head, tail = split(name)
new_path = join(tmp_path, head)
mkdir(new_path)
filename = name+'.'+ext
# Absolute path of the final linked file
full_path = join(tmp_path, filename)
elf = join(tmp_path, name + '.elf')
bin = None if ext == 'elf' else full_path
map = join(tmp_path, name + '.map')
objects = sorted(set(r.get_file_paths(FileType.OBJECT)))
config_file = ([self.config.app_config_location]
if self.config.app_config_location else [])
linker_script = [path for _, path in r.get_file_refs(FileType.LD_SCRIPT)
if path.endswith(self.LINKER_EXT)][-1]
lib_dirs = r.get_file_paths(FileType.LIB_DIR)
libraries = [l for l in r.get_file_paths(FileType.LIB)
if l.endswith(self.LIBRARY_EXT)]
dependencies = objects + libraries + [linker_script] + config_file
dependencies.append(join(self.build_dir, self.PROFILE_FILE_NAME + "-ld"))
if self.need_update(elf, dependencies):
needed_update = True
self.progress("link", name)
self.link(elf, objects, libraries, lib_dirs, linker_script)
if bin and self.need_update(bin, [elf]):
needed_update = True
self.progress("elf2bin", name)
self.binary(r, elf, bin)
# Initialize memap and process map file. This doesn't generate output.
self.mem_stats(map)
self.notify.var("compile_succeded", True)
self.notify.var("binary", filename)
return full_path, needed_update
# THIS METHOD IS BEING OVERRIDDEN BY THE MBED ONLINE BUILD SYSTEM
# ANY CHANGE OF PARAMETERS OR RETURN VALUES WILL BREAK COMPATIBILITY
def default_cmd(self, command):
_stdout, _stderr, _rc = run_cmd(command, work_dir=getcwd(), chroot=self.CHROOT)
self.notify.debug("Return: %s"% _rc)
for output_line in _stdout.splitlines():
self.notify.debug("Output: %s"% output_line)
for error_line in _stderr.splitlines():
self.notify.debug("Errors: %s"% error_line)
if _rc != 0:
for line in _stderr.splitlines():
self.notify.tool_error(line)
raise ToolException(_stderr)
def progress(self, action, file, build_update=False):
if build_update:
percent = 100. * float(self.compiled) / float(self.to_be_compiled)
else:
percent = None
self.notify.progress(action, file, percent)
# THIS METHOD IS BEING OVERRIDDEN BY THE MBED ONLINE BUILD SYSTEM
# ANY CHANGE OF PARAMETERS OR RETURN VALUES WILL BREAK COMPATIBILITY
def mem_stats(self, map):
"""! Creates parser object
@param map Path to linker map file to parse and decode
@return None
"""
toolchain = self.__class__.__name__
# Create memap object
memap = MemapParser()
# Parse and decode a map file
if memap.parse(abspath(map), toolchain) is False:
self.notify.info("Unknown toolchain for memory statistics %s" % toolchain)
return None
# Store the memap instance for later use
self.memap_instance = memap
# Note: memory statistics are not returned.
# Need call to generate_output later (depends on depth & output format)
return None
def _add_defines_from_region(self, region, suffixes=['_ADDR', '_SIZE']):
for define in [(region.name.upper() + suffixes[0], region.start),
(region.name.upper() + suffixes[1], region.size)]:
define_string = "-D%s=0x%x" % define
self.cc.append(define_string)
self.cppc.append(define_string)
self.flags["common"].append(define_string)
def _add_all_regions(self, region_list, active_region_name):
for region in region_list:
self._add_defines_from_region(region)
if region.active:
for define in [
("%s_START" % active_region_name, region.start),
("%s_SIZE" % active_region_name, region.size)
]:
define_string = self.make_ld_define(*define)
self.ld.append(define_string)
self.flags["ld"].append(define_string)
self.notify.info(" Region %s: size 0x%x, offset 0x%x"
% (region.name, region.size, region.start))
def add_regions(self):
"""Add regions to the build profile, if there are any.
"""
if self.config.has_regions:
regions = list(self.config.regions)
self.notify.info("Using ROM region%s %s in this build." % (
"s" if len(regions) > 1 else "",
", ".join(r.name for r in regions)
))
self._add_all_regions(regions, "MBED_APP")
if self.config.has_ram_regions:
regions = list(self.config.ram_regions)
self.notify.info("Using RAM region%s %s in this build." % (
"s" if len(regions) > 1 else "",
", ".join(r.name for r in regions)
))
self._add_all_regions(regions, "MBED_RAM")
try:
rom_start, rom_size = self.config.rom
Region = namedtuple("Region", "name start size")
self._add_defines_from_region(
Region("MBED_ROM", rom_start, rom_size),
suffixes=["_START", "_SIZE"]
)
except ConfigException:
pass
# Set the configuration data
def set_config_data(self, config_data):
self.config_data = config_data
# new configuration data can change labels, so clear the cache
self.labels = None
self.add_regions()
# Creates the configuration header if needed:
# - if there is no configuration data, "mbed_config.h" is not create (or deleted if it exists).
# - if there is configuration data and "mbed_config.h" does not exist, it is created.
# - if there is configuration data similar to the previous configuration data,
# "mbed_config.h" is left untouched.
# - if there is new configuration data, "mbed_config.h" is overriden.
# The function needs to be called exactly once for the lifetime of this toolchain instance.
# The "config_processed" variable (below) ensures this behaviour.
# The function returns the location of the configuration file, or None if there is no
# configuration data available (and thus no configuration file)
def get_config_header(self):
if self.config_processed: # this function was already called, return its result
return self.config_file
# The config file is located in the build directory
self.config_file = join(self.build_dir, self.MBED_CONFIG_FILE_NAME)
# If the file exists, read its current content in prev_data
if exists(self.config_file):
with open(self.config_file, "r") as f:
prev_data = f.read()
else:
prev_data = None
# Get the current configuration data
crt_data = self.config.config_to_header(self.config_data) if self.config_data else None
# "changed" indicates if a configuration change was detected
changed = False
if prev_data is not None: # a previous mbed_config.h exists
if crt_data is None: # no configuration data, so "mbed_config.h" needs to be removed
remove(self.config_file)
self.config_file = None # this means "config file not present"
changed = True
elif crt_data != prev_data: # different content of config file
with open(self.config_file, "w") as f:
f.write(crt_data)
changed = True
else: # a previous mbed_config.h does not exist
if crt_data is not None: # there's configuration data available
with open(self.config_file, "w") as f:
f.write(crt_data)
changed = True
else:
self.config_file = None # this means "config file not present"
# If there was a change in configuration, rebuild everything
self.build_all = changed
# Make sure that this function will only return the location of the configuration
# file for subsequent calls, without trying to manipulate its content in any way.
self.config_processed = True
return self.config_file
def dump_build_profile(self):
"""Dump the current build profile and macros into the `.profile` file
in the build directory"""
for key in ["cxx", "c", "asm", "ld"]:
to_dump = {
"flags": sorted(self.flags[key]),
"macros": sorted(self.macros),
"symbols": sorted(self.get_symbols(for_asm=(key == "asm"))),
}
if key in ["cxx", "c"]:
to_dump["symbols"].remove('MBED_BUILD_TIMESTAMP=%s' % self.timestamp)
to_dump["flags"].extend(sorted(self.flags['common']))
where = join(self.build_dir, self.PROFILE_FILE_NAME + "-" + key)
self._overwrite_when_not_equal(where, json.dumps(
to_dump, sort_keys=True, indent=4))
@staticmethod
def _overwrite_when_not_equal(filename, content):
if not exists(filename) or content != open(filename).read():
with open(filename, "w") as out:
out.write(content)
@staticmethod
def generic_check_executable(tool_key, executable_name, levels_up,
nested_dir=None):
"""
Positional args:
tool_key: the key to index TOOLCHAIN_PATHS
executable_name: the toolchain's named executable (ex. armcc)
levels_up: each toolchain joins the toolchain_path, some
variable directories (bin, include), and the executable name,
so the TOOLCHAIN_PATH value must be appropriately distanced
Keyword args:
nested_dir: the directory within TOOLCHAIN_PATHS where the executable
is found (ex: 'bin' for ARM\bin\armcc (necessary to check for path
that will be used by toolchain's compile)
Returns True if the executable location specified by the user
exists and is valid OR the executable can be found on the PATH.
Returns False otherwise.
"""
# Search PATH if user did not specify a path or specified path doesn't
# exist.
if not TOOLCHAIN_PATHS[tool_key] or not exists(TOOLCHAIN_PATHS[tool_key]):
exe = find_executable(executable_name)
if not exe:
return False
for level in range(levels_up):
# move up the specified number of directories
exe = dirname(exe)
TOOLCHAIN_PATHS[tool_key] = exe
if nested_dir:
subdir = join(TOOLCHAIN_PATHS[tool_key], nested_dir,
executable_name)
else:
subdir = join(TOOLCHAIN_PATHS[tool_key],executable_name)
# User could have specified a path that exists but does not contain exe
return exists(subdir) or exists(subdir +'.exe')
@abstractmethod
def check_executable(self):
"""Returns True if the executable (armcc) location specified by the
user exists OR the executable can be found on the PATH.
Returns False otherwise."""
raise NotImplemented
@abstractmethod
def get_config_option(self, config_header):
"""Generate the compiler option that forces the inclusion of the configuration
header file.
Positional arguments:
config_header -- The configuration header that will be included within all source files
Return value:
A list of the command line arguments that will force the inclusion the specified header
Side effects:
None
"""
raise NotImplemented
@abstractmethod
def get_compile_options(self, defines, includes, for_asm=False):
"""Generate the compiler options from the defines and includes
Positional arguments:
defines -- The preprocessor macros defined on the command line
includes -- The include file search paths
Keyword arguments:
for_asm -- generate the assembler options instead of the compiler options
Return value:
A list of the command line arguments that will force the inclusion the specified header
Side effects:
None
"""
raise NotImplemented
@abstractmethod
def assemble(self, source, object, includes):
"""Generate the command line that assembles.
Positional arguments:
source -- a file path that is the file to assemble
object -- a file path that is the destination object
includes -- a list of all directories where header files may be found
Return value:
The complete command line, as a list, that would invoke the assembler
on the source file, include all the include paths, and generate
the specified object file.
Side effects:
None
Note:
This method should be decorated with @hook_tool.
"""
raise NotImplemented
@abstractmethod
def compile_c(self, source, object, includes):
"""Generate the command line that compiles a C source file.
Positional arguments:
source -- the C source file to compile
object -- the destination object file
includes -- a list of all the directories where header files may be found
Return value:
The complete command line, as a list, that would invoke the C compiler
on the source file, include all the include paths, and generate the
specified object file.
Side effects:
None
Note:
This method should be decorated with @hook_tool.
"""
raise NotImplemented
@abstractmethod
def compile_cpp(self, source, object, includes):
"""Generate the command line that compiles a C++ source file.
Positional arguments:
source -- the C++ source file to compile
object -- the destination object file
includes -- a list of all the directories where header files may be found
Return value:
The complete command line, as a list, that would invoke the C++ compiler
on the source file, include all the include paths, and generate the
specified object file.
Side effects:
None
Note:
This method should be decorated with @hook_tool.
"""
raise NotImplemented
@abstractmethod
def link(self, output, objects, libraries, lib_dirs, mem_map):
"""Run the linker to create an executable and memory map.
Positional arguments:
output -- the file name to place the executable in
objects -- all of the object files to link
libraries -- all of the required libraries
lib_dirs -- where the required libraries are located
mem_map -- the location where the memory map file should be stored
Return value:
None
Side effect:
Runs the linker to produce the executable.
Note:
This method should be decorated with @hook_tool.
"""
raise NotImplemented
@abstractmethod
def archive(self, objects, lib_path):
"""Run the command line that creates an archive.
Positional arguhments:
objects -- a list of all the object files that should be archived
lib_path -- the file name of the resulting library file
Return value:
None
Side effect:
Runs the archiving tool to produce the library file.
Note:
This method should be decorated with @hook_tool.
"""
raise NotImplemented
@abstractmethod
def binary(self, resources, elf, bin):
"""Run the command line that will Extract a simplified binary file.
Positional arguments:
resources -- A resources object (Is not used in any of the toolchains)
elf -- the executable file that is to be converted
bin -- the file name of the to be created simplified binary file
Return value:
None
Side effect:
Runs the elf2bin tool to produce the simplified binary file.
Note:
This method should be decorated with @hook_tool.
"""
raise NotImplemented
@staticmethod
@abstractmethod
def name_mangle(name):
"""Mangle a name based on the conventional name mangling of this toolchain
Positional arguments:
name -- the name to mangle
Return:
the mangled name as a string
"""
raise NotImplemented
@staticmethod
@abstractmethod
def make_ld_define(name, value):
"""Create an argument to the linker that would define a symbol
Positional arguments:
name -- the symbol to define
value -- the value to give the symbol
Return:
The linker flag as a string
"""
raise NotImplemented
@staticmethod
@abstractmethod
def redirect_symbol(source, sync, build_dir):
"""Redirect a symbol at link time to point at somewhere else
Positional arguments:
source -- the symbol doing the pointing
sync -- the symbol being pointed to
build_dir -- the directory to put "response files" if needed by the toolchain
Side Effects:
Possibly create a file in the build directory
Return:
The linker flag to redirect the symbol, as a string
"""
raise NotImplemented
# Return the list of macros geenrated by the build system
def get_config_macros(self):
return self.config.config_to_macros(self.config_data) if self.config_data else []
@abstractmethod
def version_check(self):
"""Check the version of a compiler being used and raise a
NotSupportedException when it's incorrect.
"""
raise NotImplemented
@property
def report(self):
to_ret = {}
to_ret['c_compiler'] = {'flags': copy(self.flags['c']),
'symbols': self.get_symbols()}
to_ret['cxx_compiler'] = {'flags': copy(self.flags['cxx']),
'symbols': self.get_symbols()}
to_ret['assembler'] = {'flags': copy(self.flags['asm']),
'symbols': self.get_symbols(True)}
to_ret['linker'] = {'flags': copy(self.flags['ld'])}
to_ret.update(self.config.report)
return to_ret
from tools.settings import ARM_PATH, ARMC6_PATH, GCC_ARM_PATH, IAR_PATH
TOOLCHAIN_PATHS = {
'ARM': ARM_PATH,
'uARM': ARM_PATH,
'ARMC6': ARMC6_PATH,
'GCC_ARM': GCC_ARM_PATH,
'IAR': IAR_PATH
}
from tools.toolchains.arm import ARM_STD, ARM_MICRO, ARMC6
from tools.toolchains.gcc import GCC_ARM
from tools.toolchains.iar import IAR
TOOLCHAIN_CLASSES = {
u'ARM': ARM_STD,
u'uARM': ARM_MICRO,
u'ARMC6': ARMC6,
u'GCC_ARM': GCC_ARM,
u'IAR': IAR
}
TOOLCHAINS = set(TOOLCHAIN_CLASSES.keys())
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