Daiki Kato
mbed-os for GR-LYCHEE
Dependents: mbed-os-example-blinky-gr-lychee GR-Boads_Camera_sample GR-Boards_Audio_Recoder GR-Boads_Camera_DisplayApp ... more
Diff: tools/toolchains/__init__.py
- Revision:
- 0:f782d9c66c49
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/tools/toolchains/__init__.py Fri Feb 02 05:42:23 2018 +0000
@@ -0,0 +1,1417 @@
+"""
+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.
+"""
+
+import re
+import sys
+from os import stat, walk, getcwd, sep, remove
+from copy import copy
+from time import time, sleep
+from types import ListType
+from shutil import copyfile
+from os.path import join, splitext, exists, relpath, dirname, basename, split, abspath, isfile, isdir
+from inspect import getmro
+from copy import deepcopy
+from tools.config import Config
+from abc import ABCMeta, abstractmethod
+from distutils.spawn import find_executable
+
+from multiprocessing import Pool, cpu_count
+from tools.utils import run_cmd, mkdir, rel_path, ToolException, NotSupportedException, split_path, compile_worker
+from tools.settings import MBED_ORG_USER
+import tools.hooks as hooks
+from tools.memap import MemapParser
+from hashlib import md5
+import fnmatch
+
+
+#Disables multiprocessing if set to higher number than the host machine CPUs
+CPU_COUNT_MIN = 1
+CPU_COEF = 1
+
+class Resources:
+ def __init__(self, base_path=None):
+ self.base_path = base_path
+
+ self.file_basepath = {}
+
+ self.inc_dirs = []
+ self.headers = []
+
+ self.s_sources = []
+ self.c_sources = []
+ self.cpp_sources = []
+
+ self.lib_dirs = set([])
+ self.objects = []
+ self.libraries = []
+
+ # mbed special files
+ self.lib_builds = []
+ self.lib_refs = []
+
+ self.repo_dirs = []
+ self.repo_files = []
+
+ self.linker_script = None
+
+ # Other files
+ self.hex_files = []
+ self.bin_files = []
+ self.json_files = []
+
+ # Features
+ self.features = {}
+
+ def __add__(self, resources):
+ if resources is None:
+ return self
+ else:
+ return self.add(resources)
+
+ def __radd__(self, resources):
+ if resources is None:
+ return self
+ else:
+ return self.add(resources)
+
+ def add(self, resources):
+ for f,p in resources.file_basepath.items():
+ self.file_basepath[f] = p
+
+ self.inc_dirs += resources.inc_dirs
+ self.headers += resources.headers
+
+ self.s_sources += resources.s_sources
+ self.c_sources += resources.c_sources
+ self.cpp_sources += resources.cpp_sources
+
+ self.lib_dirs |= resources.lib_dirs
+ self.objects += resources.objects
+ self.libraries += resources.libraries
+
+ self.lib_builds += resources.lib_builds
+ self.lib_refs += resources.lib_refs
+
+ self.repo_dirs += resources.repo_dirs
+ self.repo_files += resources.repo_files
+
+ if resources.linker_script is not None:
+ self.linker_script = resources.linker_script
+
+ self.hex_files += resources.hex_files
+ self.bin_files += resources.bin_files
+ self.json_files += resources.json_files
+
+ self.features.update(resources.features)
+
+ return self
+
+ def _collect_duplicates(self, dupe_dict, dupe_headers):
+ for filename in self.s_sources + self.c_sources + self.cpp_sources:
+ objname, _ = splitext(basename(filename))
+ dupe_dict.setdefault(objname, set())
+ dupe_dict[objname] |= set([filename])
+ for filename in self.headers:
+ headername = basename(filename)
+ dupe_headers.setdefault(headername, set())
+ dupe_headers[headername] |= set([headername])
+ for res in self.features.values():
+ res._collect_duplicates(dupe_dict, dupe_headers)
+ return dupe_dict, dupe_headers
+
+ def detect_duplicates(self, toolchain):
+ """Detect all potential ambiguities in filenames and report them with
+ a toolchain notification
+
+ Positional Arguments:
+ toolchain - used for notifications
+ """
+ count = 0
+ dupe_dict, dupe_headers = self._collect_duplicates(dict(), dict())
+ for objname, filenames in dupe_dict.iteritems():
+ if len(filenames) > 1:
+ count+=1
+ toolchain.tool_error(
+ "Object file %s.o is not unique! It could be made from: %s"\
+ % (objname, " ".join(filenames)))
+ for headername, locations in dupe_headers.iteritems():
+ if len(locations) > 1:
+ count+=1
+ toolchain.tool_error(
+ "Header file %s is not unique! It could be: %s" %\
+ (headername, " ".join(locations)))
+ return count
+
+
+ def relative_to(self, base, dot=False):
+ for field in ['inc_dirs', 'headers', 's_sources', 'c_sources',
+ 'cpp_sources', 'lib_dirs', 'objects', 'libraries',
+ 'lib_builds', 'lib_refs', 'repo_dirs', 'repo_files',
+ 'hex_files', 'bin_files', 'json_files']:
+ v = [rel_path(f, base, dot) for f in getattr(self, field)]
+ setattr(self, field, v)
+
+ self.features = {k: f.relative_to(base, dot) for k, f in self.features.iteritems() if f}
+
+ if self.linker_script is not None:
+ self.linker_script = rel_path(self.linker_script, base, dot)
+
+ def win_to_unix(self):
+ for field in ['inc_dirs', 'headers', 's_sources', 'c_sources',
+ 'cpp_sources', 'lib_dirs', 'objects', 'libraries',
+ 'lib_builds', 'lib_refs', 'repo_dirs', 'repo_files',
+ 'hex_files', 'bin_files', 'json_files']:
+ v = [f.replace('\\', '/') for f in getattr(self, field)]
+ setattr(self, field, v)
+
+ self.features = {k: f.win_to_unix() for k, f in self.features.iteritems() if f}
+
+ if self.linker_script is not None:
+ self.linker_script = self.linker_script.replace('\\', '/')
+
+ def __str__(self):
+ s = []
+
+ for (label, resources) in (
+ ('Include Directories', self.inc_dirs),
+ ('Headers', self.headers),
+
+ ('Assembly sources', self.s_sources),
+ ('C sources', self.c_sources),
+ ('C++ sources', self.cpp_sources),
+
+ ('Library directories', self.lib_dirs),
+ ('Objects', self.objects),
+ ('Libraries', self.libraries),
+
+ ('Hex files', self.hex_files),
+ ('Bin files', self.bin_files),
+
+ ('Features', self.features),
+ ):
+ if resources:
+ s.append('%s:\n ' % label + '\n '.join(resources))
+
+ if self.linker_script:
+ s.append('Linker Script: ' + self.linker_script)
+
+ return '\n'.join(s)
+
+# Support legacy build conventions: the original mbed build system did not have
+# standard labels for the "TARGET_" and "TOOLCHAIN_" specific directories, but
+# had the knowledge of a list of these directories to be ignored.
+LEGACY_IGNORE_DIRS = set([
+ 'LPC11U24', 'LPC1768', 'LPC2368', 'LPC4088', 'LPC812', 'KL25Z',
+ 'ARM', 'uARM', 'IAR',
+ 'GCC_ARM', 'GCC_CS', 'GCC_CR', 'GCC_CW', 'GCC_CW_EWL', 'GCC_CW_NEWLIB',
+])
+LEGACY_TOOLCHAIN_NAMES = {
+ 'ARM_STD':'ARM', 'ARM_MICRO': 'uARM',
+ 'GCC_ARM': 'GCC_ARM', 'GCC_CR': 'GCC_CR',
+ 'IAR': 'IAR',
+}
+
+
+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"],
+ }
+
+ MBED_CONFIG_FILE_NAME="mbed_config.h"
+
+ __metaclass__ = ABCMeta
+
+ profile_template = {'common':[], 'c':[], 'cxx':[], 'asm':[], 'ld':[]}
+
+ def __init__(self, target, notify=None, macros=None, silent=False,
+ extra_verbose=False, 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 = build_dir
+ self.timestamp = time()
+
+ # Number of concurrent build jobs. 0 means auto (based on host system cores)
+ self.jobs = 0
+
+ # Ignore patterns from .mbedignore files
+ self.ignore_patterns = []
+
+ # Pre-mbed 2.0 ignore dirs
+ self.legacy_ignore_dirs = (LEGACY_IGNORE_DIRS | TOOLCHAINS) - set([target.name, LEGACY_TOOLCHAIN_NAMES[self.name]])
+
+ # 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_fun = notify
+ elif extra_verbose:
+ self.notify_fun = self.print_notify_verbose
+ else:
+ self.notify_fun = self.print_notify
+
+ # Silent builds (no output)
+ self.silent = silent
+
+ # Print output buffer
+ self.output = str()
+ self.map_outputs = list() # Place to store memmap scan results in JSON like data structures
+
+ # 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.output
+
+ def print_notify(self, event, silent=False):
+ """ Default command line notification
+ """
+ msg = None
+
+ if not self.VERBOSE and event['type'] == 'tool_error':
+ msg = event['message']
+
+ elif event['type'] in ['info', 'debug']:
+ msg = event['message']
+
+ elif event['type'] == 'cc':
+ event['severity'] = event['severity'].title()
+ event['file'] = basename(event['file'])
+ msg = '[%(severity)s] %(file)s@%(line)s,%(col)s: %(message)s' % event
+
+ elif event['type'] == 'progress':
+ if 'percent' in event:
+ msg = '{} [{:>5.1f}%]: {}'.format(event['action'].title(),
+ event['percent'],
+ basename(event['file']))
+ else:
+ msg = '{}: {}'.format(event['action'].title(),
+ basename(event['file']))
+
+ if msg:
+ if not silent:
+ print msg
+ self.output += msg + "\n"
+
+ def print_notify_verbose(self, event, silent=False):
+ """ Default command line notification with more verbose mode
+ """
+ if event['type'] in ['info', 'debug']:
+ self.print_notify(event, silent=silent) # standard handle
+
+ elif event['type'] == 'cc':
+ event['severity'] = event['severity'].title()
+ event['file'] = basename(event['file'])
+ event['mcu_name'] = "None"
+ event['target_name'] = event['target_name'].upper() if event['target_name'] else "Unknown"
+ event['toolchain_name'] = event['toolchain_name'].upper() if event['toolchain_name'] else "Unknown"
+ msg = '[%(severity)s] %(target_name)s::%(toolchain_name)s::%(file)s@%(line)s: %(message)s' % event
+ if not silent:
+ print msg
+ self.output += msg + "\n"
+
+ elif event['type'] == 'progress':
+ self.print_notify(event) # standard handle
+
+ # THIS METHOD IS BEING OVERRIDDEN BY THE MBED ONLINE BUILD SYSTEM
+ # ANY CHANGE OF PARAMETERS OR RETURN VALUES WILL BREAK COMPATIBILITY
+ def notify(self, event):
+ """ Little closure for notify functions
+ """
+ event['toolchain'] = self
+ return self.notify_fun(event, self.silent)
+
+ 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 = [c.__name__ for c in getmro(self.__class__)]
+ toolchain_labels.remove('mbedToolchain')
+ 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
+
+
+ # 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 not self.stat_cache.has_key(d):
+ self.stat_cache[d] = stat(d).st_mtime
+
+ if self.stat_cache[d] >= target_mod_time:
+ return True
+
+ return False
+
+ def is_ignored(self, file_path):
+ """Check if file path is ignored by any .mbedignore thus far"""
+ for pattern in self.ignore_patterns:
+ if fnmatch.fnmatch(file_path, pattern):
+ return True
+ return False
+
+ def add_ignore_patterns(self, root, base_path, patterns):
+ """Add a series of patterns to the ignored paths
+
+ Positional arguments:
+ root - the directory containing the ignore file
+ base_path - the location that the scan started from
+ patterns - the list of patterns we will ignore in the future
+ """
+ real_base = relpath(root, base_path)
+ if real_base == ".":
+ self.ignore_patterns.extend(patterns)
+ else:
+ self.ignore_patterns.extend(join(real_base, pat) for pat in patterns)
+
+ # Create a Resources object from the path pointed to by *path* by either traversing a
+ # a directory structure, when *path* is a directory, or adding *path* to the resources,
+ # when *path* is a file.
+ # The parameter *base_path* is used to set the base_path attribute of the Resources
+ # object and the parameter *exclude_paths* is used by the directory traversal to
+ # exclude certain paths from the traversal.
+ def scan_resources(self, path, exclude_paths=None, base_path=None):
+ self.progress("scan", path)
+
+ resources = Resources(path)
+ if not base_path:
+ if isfile(path):
+ base_path = dirname(path)
+ else:
+ base_path = path
+ resources.base_path = base_path
+
+ if isfile(path):
+ self._add_file(path, resources, base_path, exclude_paths=exclude_paths)
+ else:
+ self._add_dir(path, resources, base_path, exclude_paths=exclude_paths)
+ return resources
+
+ # A helper function for scan_resources. _add_dir traverses *path* (assumed to be a
+ # directory) and heeds the ".mbedignore" files along the way. _add_dir calls _add_file
+ # on every file it considers adding to the resources object.
+ def _add_dir(self, path, resources, base_path, exclude_paths=None):
+ """ os.walk(top[, topdown=True[, onerror=None[, followlinks=False]]])
+ When topdown is True, the caller can modify the dirnames list in-place
+ (perhaps using del or slice assignment), and walk() will only recurse into
+ the subdirectories whose names remain in dirnames; this can be used to prune
+ the search, impose a specific order of visiting, or even to inform walk()
+ about directories the caller creates or renames before it resumes walk()
+ again. Modifying dirnames when topdown is False is ineffective, because in
+ bottom-up mode the directories in dirnames are generated before dirpath
+ itself is generated.
+ """
+ labels = self.get_labels()
+ for root, dirs, files in walk(path, followlinks=True):
+ # Check if folder contains .mbedignore
+ if ".mbedignore" in files:
+ with open (join(root,".mbedignore"), "r") as f:
+ lines=f.readlines()
+ lines = [l.strip() for l in lines] # Strip whitespaces
+ lines = [l for l in lines if l != ""] # Strip empty lines
+ lines = [l for l in lines if not re.match("^#",l)] # Strip comment lines
+ # Append root path to glob patterns and append patterns to ignore_patterns
+ self.add_ignore_patterns(root, base_path, lines)
+
+ # Skip the whole folder if ignored, e.g. .mbedignore containing '*'
+ if (self.is_ignored(join(relpath(root, base_path),"")) or
+ self.build_dir == join(relpath(root, base_path))):
+ dirs[:] = []
+ continue
+
+ for d in copy(dirs):
+ dir_path = join(root, d)
+ # Add internal repo folders/files. This is needed for exporters
+ if d == '.hg' or d == '.git':
+ resources.repo_dirs.append(dir_path)
+
+ if ((d.startswith('.') or d in self.legacy_ignore_dirs) or
+ # Ignore targets that do not match the TARGET in extra_labels list
+ (d.startswith('TARGET_') and d[7:] not in labels['TARGET']) or
+ # Ignore toolchain that do not match the current TOOLCHAIN
+ (d.startswith('TOOLCHAIN_') and d[10:] not in labels['TOOLCHAIN']) or
+ # Ignore .mbedignore files
+ self.is_ignored(join(relpath(root, base_path), d,"")) or
+ # Ignore TESTS dir
+ (d == 'TESTS')):
+ dirs.remove(d)
+ elif d.startswith('FEATURE_'):
+ # Recursively scan features but ignore them in the current scan.
+ # These are dynamically added by the config system if the conditions are matched
+ resources.features[d[8:]] = self.scan_resources(dir_path, base_path=base_path)
+ dirs.remove(d)
+ elif exclude_paths:
+ for exclude_path in exclude_paths:
+ rel_path = relpath(dir_path, exclude_path)
+ if not (rel_path.startswith('..')):
+ dirs.remove(d)
+ break
+
+ # Add root to include paths
+ resources.inc_dirs.append(root)
+ resources.file_basepath[root] = base_path
+
+ for file in files:
+ file_path = join(root, file)
+ self._add_file(file_path, resources, base_path)
+
+ # A helper function for both scan_resources and _add_dir. _add_file adds one file
+ # (*file_path*) to the resources object based on the file type.
+ def _add_file(self, file_path, resources, base_path, exclude_paths=None):
+ resources.file_basepath[file_path] = base_path
+
+ if self.is_ignored(relpath(file_path, base_path)):
+ return
+
+ _, ext = splitext(file_path)
+ ext = ext.lower()
+
+ if ext == '.s':
+ resources.s_sources.append(file_path)
+
+ elif ext == '.c':
+ resources.c_sources.append(file_path)
+
+ elif ext == '.cpp':
+ resources.cpp_sources.append(file_path)
+
+ elif ext == '.h' or ext == '.hpp':
+ resources.headers.append(file_path)
+
+ elif ext == '.o':
+ resources.objects.append(file_path)
+
+ elif ext == self.LIBRARY_EXT:
+ resources.libraries.append(file_path)
+ resources.lib_dirs.add(dirname(file_path))
+
+ elif ext == self.LINKER_EXT:
+ if resources.linker_script is not None:
+ self.info("Warning: Multiple linker scripts detected: %s -> %s" % (resources.linker_script, file_path))
+ resources.linker_script = file_path
+
+ elif ext == '.lib':
+ resources.lib_refs.append(file_path)
+
+ elif ext == '.bld':
+ resources.lib_builds.append(file_path)
+
+ elif basename(file_path) == '.hgignore':
+ resources.repo_files.append(file_path)
+
+ elif basename(file_path) == '.gitignore':
+ resources.repo_files.append(file_path)
+
+ elif ext == '.hex':
+ resources.hex_files.append(file_path)
+
+ elif ext == '.bin':
+ resources.bin_files.append(file_path)
+
+ elif ext == '.json':
+ resources.json_files.append(file_path)
+
+
+ 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, rel_path=None):
+ # Handle a single file
+ if type(files_paths) != ListType: files_paths = [files_paths]
+
+ for source in files_paths:
+ if source is None:
+ files_paths.remove(source)
+
+ for source in files_paths:
+ if resources is not None and resources.file_basepath.has_key(source):
+ relative_path = relpath(source, resources.file_basepath[source])
+ elif rel_path is not None:
+ relative_path = relpath(source, rel_path)
+ else:
+ _, relative_path = split(source)
+
+ target = join(trg_path, relative_path)
+
+ if (target != source) and (self.need_update(target, [source])):
+ self.progress("copy", relative_path)
+ 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, base_dir, source):
+ source_dir, name, _ = split_path(source)
+
+ obj_dir = join(build_path, relpath(source_dir, base_dir))
+ if obj_dir is not self.prev_dir:
+ self.prev_dir = obj_dir
+ mkdir(obj_dir)
+ return join(obj_dir, name + '.o')
+
+ # Generate response file for all includes.
+ # ARM, GCC, IAR cross compatible
+ def get_inc_file(self, includes):
+ include_file = join(self.build_dir, ".includes_%s.txt" % self.inc_md5)
+ if not exists(include_file):
+ with open(include_file, "wb") as f:
+ cmd_list = []
+ for c in includes:
+ if c:
+ c = c.replace("\\", "/")
+ if self.CHROOT:
+ c = c.replace(self.CHROOT, '')
+ cmd_list.append('-I%s' % c)
+ string = " ".join(cmd_list)
+ f.write(string)
+ return include_file
+
+ # Generate response file for all objects when linking.
+ # ARM, GCC, IAR cross compatible
+ def get_link_file(self, cmd):
+ link_file = join(self.build_dir, ".link_files.txt")
+ with open(link_file, "wb") as f:
+ cmd_list = []
+ for c in cmd:
+ if c:
+ c = c.replace("\\", "/")
+ if self.CHROOT:
+ c = c.replace(self.CHROOT, '')
+ cmd_list.append(('"%s"' % c) if not c.startswith('-') else c)
+ string = " ".join(cmd_list)
+ f.write(string)
+ return link_file
+
+ # Generate response file for all objects when archiving.
+ # ARM, GCC, IAR cross compatible
+ def get_arch_file(self, objects):
+ archive_file = join(self.build_dir, ".archive_files.txt")
+ with open(archive_file, "wb") as f:
+ o_list = []
+ for o in objects:
+ o_list.append('"%s"' % o)
+ string = " ".join(o_list).replace("\\", "/")
+ f.write(string)
+ return archive_file
+
+ # 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.s_sources + resources.c_sources + resources.cpp_sources
+ self.to_be_compiled = len(files_to_compile)
+ self.compiled = 0
+
+ self.cc_verbose("Macros: "+' '.join(['-D%s' % s for s in self.get_symbols()]))
+
+ inc_paths = resources.inc_dirs
+ if inc_dirs is not None:
+ inc_paths.extend(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)).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()
+
+ # Sort compile queue for consistency
+ files_to_compile.sort()
+ for source in files_to_compile:
+ object = self.relative_object_path(
+ self.build_dir, resources.file_basepath[source], source)
+
+ # Queue mode (multiprocessing)
+ commands = self.compile_command(source, 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'], build_update=True)
+ for res in result['results']:
+ self.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 is True:
+ try:
+ result = r.get()
+ results.remove(r)
+
+ self.compiled += 1
+ self.progress("compile", result['source'], build_update=True)
+ for res in result['results']:
+ self.cc_verbose("Compile: %s" % ' '.join(res['command']), result['source'])
+ self.compile_output([
+ res['code'],
+ res['output'],
+ res['command']
+ ])
+ objects.append(result['object'])
+ except ToolException, 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()
+
+ if ext == '.c' or ext == '.cpp':
+ base, _ = splitext(object)
+ dep_path = base + '.d'
+ try:
+ deps = self.parse_dependencies(dep_path) if (exists(dep_path)) else []
+ except IOError, IndexError:
+ deps = []
+ if len(deps) == 0 or self.need_update(object, deps):
+ if ext == '.cpp' 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]
+ if self.need_update(object, deps):
+ return self.assemble(source, object, includes)
+ else:
+ return False
+
+ return None
+
+ @abstractmethod
+ 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
+ """
+ raise NotImplemented
+
+ 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]
+ command = output[2]
+
+ # Parse output for Warnings and Errors
+ self.parse_output(_stderr)
+ self.debug("Return: %s"% _rc)
+ for error_line in _stderr.splitlines():
+ self.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.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.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
+ elf = join(tmp_path, name + '.elf')
+ bin = join(tmp_path, filename)
+ map = join(tmp_path, name + '.map')
+
+ r.objects = sorted(set(r.objects))
+ if self.need_update(elf, r.objects + r.libraries + [r.linker_script]):
+ needed_update = True
+ self.progress("link", name)
+ self.link(elf, r.objects, r.libraries, r.lib_dirs, r.linker_script)
+
+ if self.need_update(bin, [elf]):
+ needed_update = True
+ self.progress("elf2bin", name)
+ self.binary(r, elf, bin)
+
+ self.map_outputs = self.mem_stats(map)
+
+ self.var("compile_succeded", True)
+ self.var("binary", filename)
+
+ return bin, 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.debug("Return: %s"% _rc)
+
+ for output_line in _stdout.splitlines():
+ self.debug("Output: %s"% output_line)
+ for error_line in _stderr.splitlines():
+ self.debug("Errors: %s"% error_line)
+
+ if _rc != 0:
+ for line in _stderr.splitlines():
+ self.tool_error(line)
+ raise ToolException(_stderr)
+
+ ### NOTIFICATIONS ###
+ def info(self, message):
+ self.notify({'type': 'info', 'message': message})
+
+ # THIS METHOD IS BEING OVERRIDDEN BY THE MBED ONLINE BUILD SYSTEM
+ # ANY CHANGE OF PARAMETERS OR RETURN VALUES WILL BREAK COMPATIBILITY
+ def debug(self, message):
+ if self.VERBOSE:
+ if type(message) is ListType:
+ message = ' '.join(message)
+ message = "[DEBUG] " + message
+ self.notify({'type': 'debug', 'message': message})
+
+ # THIS METHOD IS BEING OVERRIDDEN BY THE MBED ONLINE BUILD SYSTEM
+ # ANY CHANGE OF PARAMETERS OR RETURN VALUES WILL BREAK COMPATIBILITY
+ def cc_info(self, info=None):
+ if info is not None:
+ info['type'] = 'cc'
+ self.notify(info)
+
+ # THIS METHOD IS BEING OVERRIDDEN BY THE MBED ONLINE BUILD SYSTEM
+ # ANY CHANGE OF PARAMETERS OR RETURN VALUES WILL BREAK COMPATIBILITY
+ def cc_verbose(self, message, file=""):
+ self.debug(message)
+
+ def progress(self, action, file, build_update=False):
+ msg = {'type': 'progress', 'action': action, 'file': file}
+ if build_update:
+ msg['percent'] = 100. * float(self.compiled) / float(self.to_be_compiled)
+ self.notify(msg)
+
+ def tool_error(self, message):
+ self.notify({'type': 'tool_error', 'message': message})
+
+ def var(self, key, value):
+ self.notify({'type': 'var', 'key': key, 'val': value})
+
+ # 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 Memory summary structure with memory usage statistics
+ None if map file can't be opened and processed
+ """
+ toolchain = self.__class__.__name__
+
+ # Create memap object
+ memap = MemapParser()
+
+ # Parse and decode a map file
+ if memap.parse(abspath(map), toolchain) is False:
+ self.info("Unknown toolchain for memory statistics %s" % toolchain)
+ return None
+
+ # Store the memap instance for later use
+ self.memap_instance = memap
+
+ # Here we return memory statistics structure (constructed after
+ # call to generate_output) which contains raw data in bytes
+ # about sections + summary
+ return memap.mem_report
+
+ # Set the configuration data
+ def set_config_data(self, config_data):
+ self.config_data = config_data
+
+ # 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, "rt") as f:
+ prev_data = f.read()
+ else:
+ prev_data = None
+ # Get the current configuration data
+ crt_data = 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, "wt") 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, "wt") 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
+
+ @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 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 Config.config_to_macros(self.config_data) if self.config_data else []
+
+from tools.settings import ARM_PATH
+from tools.settings import GCC_ARM_PATH
+from tools.settings import IAR_PATH
+
+TOOLCHAIN_PATHS = {
+ 'ARM': ARM_PATH,
+ 'uARM': ARM_PATH,
+ 'GCC_ARM': GCC_ARM_PATH,
+ 'IAR': IAR_PATH
+}
+
+from tools.toolchains.arm import ARM_STD, ARM_MICRO
+from tools.toolchains.gcc import GCC_ARM
+from tools.toolchains.iar import IAR
+
+TOOLCHAIN_CLASSES = {
+ 'ARM': ARM_STD,
+ 'uARM': ARM_MICRO,
+ 'GCC_ARM': GCC_ARM,
+ 'IAR': IAR
+}
+
+TOOLCHAINS = set(TOOLCHAIN_CLASSES.keys())