Marco Zecchini / Mbed OS Example_RTOS

Rtos API example

mbed-os/tools/toolchains/gcc.py@0:9fca2b23d0ba, 2019-02-23 (annotated)

Committer:
marcozecchini
Date:
Sat Feb 23 12:13:36 2019 +0000
Revision:
0:9fca2b23d0ba
final commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
marcozecchini 0:9fca2b23d0ba 1 """
marcozecchini 0:9fca2b23d0ba 2 mbed SDK
marcozecchini 0:9fca2b23d0ba 3 Copyright (c) 2011-2013 ARM Limited
marcozecchini 0:9fca2b23d0ba 4
marcozecchini 0:9fca2b23d0ba 5 Licensed under the Apache License, Version 2.0 (the "License");
marcozecchini 0:9fca2b23d0ba 6 you may not use this file except in compliance with the License.
marcozecchini 0:9fca2b23d0ba 7 You may obtain a copy of the License at
marcozecchini 0:9fca2b23d0ba 8
marcozecchini 0:9fca2b23d0ba 9 http://www.apache.org/licenses/LICENSE-2.0
marcozecchini 0:9fca2b23d0ba 10
marcozecchini 0:9fca2b23d0ba 11 Unless required by applicable law or agreed to in writing, software
marcozecchini 0:9fca2b23d0ba 12 distributed under the License is distributed on an "AS IS" BASIS,
marcozecchini 0:9fca2b23d0ba 13 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
marcozecchini 0:9fca2b23d0ba 14 See the License for the specific language governing permissions and
marcozecchini 0:9fca2b23d0ba 15 limitations under the License.
marcozecchini 0:9fca2b23d0ba 16 """
marcozecchini 0:9fca2b23d0ba 17 import re
marcozecchini 0:9fca2b23d0ba 18 from os.path import join, basename, splitext, dirname, exists
marcozecchini 0:9fca2b23d0ba 19 from distutils.spawn import find_executable
marcozecchini 0:9fca2b23d0ba 20
marcozecchini 0:9fca2b23d0ba 21 from tools.toolchains import mbedToolchain, TOOLCHAIN_PATHS
marcozecchini 0:9fca2b23d0ba 22 from tools.hooks import hook_tool
marcozecchini 0:9fca2b23d0ba 23
marcozecchini 0:9fca2b23d0ba 24 class GCC(mbedToolchain):
marcozecchini 0:9fca2b23d0ba 25 LINKER_EXT = '.ld'
marcozecchini 0:9fca2b23d0ba 26 LIBRARY_EXT = '.a'
marcozecchini 0:9fca2b23d0ba 27
marcozecchini 0:9fca2b23d0ba 28 STD_LIB_NAME = "lib%s.a"
marcozecchini 0:9fca2b23d0ba 29 DIAGNOSTIC_PATTERN = re.compile('((?P<file>[^:]+):(?P<line>\d+):)(\d+:)? (?P<severity>warning|[eE]rror|fatal error): (?P<message>.+)')
marcozecchini 0:9fca2b23d0ba 30 INDEX_PATTERN = re.compile('(?P<col>\s*)\^')
marcozecchini 0:9fca2b23d0ba 31
marcozecchini 0:9fca2b23d0ba 32 def __init__(self, target, notify=None, macros=None,
marcozecchini 0:9fca2b23d0ba 33 silent=False, extra_verbose=False, build_profile=None,
marcozecchini 0:9fca2b23d0ba 34 build_dir=None):
marcozecchini 0:9fca2b23d0ba 35 mbedToolchain.__init__(self, target, notify, macros, silent,
marcozecchini 0:9fca2b23d0ba 36 extra_verbose=extra_verbose,
marcozecchini 0:9fca2b23d0ba 37 build_profile=build_profile, build_dir=build_dir)
marcozecchini 0:9fca2b23d0ba 38
marcozecchini 0:9fca2b23d0ba 39 tool_path=TOOLCHAIN_PATHS['GCC_ARM']
marcozecchini 0:9fca2b23d0ba 40 # Add flags for current size setting
marcozecchini 0:9fca2b23d0ba 41 default_lib = "std"
marcozecchini 0:9fca2b23d0ba 42 if hasattr(target, "default_lib"):
marcozecchini 0:9fca2b23d0ba 43 default_lib = target.default_lib
marcozecchini 0:9fca2b23d0ba 44 elif hasattr(target, "default_build"): # Legacy
marcozecchini 0:9fca2b23d0ba 45 default_lib = target.default_build
marcozecchini 0:9fca2b23d0ba 46
marcozecchini 0:9fca2b23d0ba 47 if default_lib == "small":
marcozecchini 0:9fca2b23d0ba 48 self.flags["common"].append("-DMBED_RTOS_SINGLE_THREAD")
marcozecchini 0:9fca2b23d0ba 49 self.flags["ld"].append("--specs=nano.specs")
marcozecchini 0:9fca2b23d0ba 50
marcozecchini 0:9fca2b23d0ba 51 if target.core == "Cortex-M0+":
marcozecchini 0:9fca2b23d0ba 52 cpu = "cortex-m0plus"
marcozecchini 0:9fca2b23d0ba 53 elif target.core == "Cortex-M4F":
marcozecchini 0:9fca2b23d0ba 54 cpu = "cortex-m4"
marcozecchini 0:9fca2b23d0ba 55 elif target.core == "Cortex-M7F":
marcozecchini 0:9fca2b23d0ba 56 cpu = "cortex-m7"
marcozecchini 0:9fca2b23d0ba 57 elif target.core == "Cortex-M7FD":
marcozecchini 0:9fca2b23d0ba 58 cpu = "cortex-m7"
marcozecchini 0:9fca2b23d0ba 59 elif target.core == "Cortex-M23-NS":
marcozecchini 0:9fca2b23d0ba 60 cpu = "cortex-m23"
marcozecchini 0:9fca2b23d0ba 61 elif target.core == "Cortex-M33-NS":
marcozecchini 0:9fca2b23d0ba 62 cpu = "cortex-m33"
marcozecchini 0:9fca2b23d0ba 63 else:
marcozecchini 0:9fca2b23d0ba 64 cpu = target.core.lower()
marcozecchini 0:9fca2b23d0ba 65
marcozecchini 0:9fca2b23d0ba 66 self.cpu = ["-mcpu=%s" % cpu]
marcozecchini 0:9fca2b23d0ba 67 if target.core.startswith("Cortex-M"):
marcozecchini 0:9fca2b23d0ba 68 self.cpu.append("-mthumb")
marcozecchini 0:9fca2b23d0ba 69
marcozecchini 0:9fca2b23d0ba 70 # FPU handling, M7 possibly to have double FPU
marcozecchini 0:9fca2b23d0ba 71 if target.core == "Cortex-M4F":
marcozecchini 0:9fca2b23d0ba 72 self.cpu.append("-mfpu=fpv4-sp-d16")
marcozecchini 0:9fca2b23d0ba 73 self.cpu.append("-mfloat-abi=softfp")
marcozecchini 0:9fca2b23d0ba 74 elif target.core == "Cortex-M7F":
marcozecchini 0:9fca2b23d0ba 75 self.cpu.append("-mfpu=fpv5-sp-d16")
marcozecchini 0:9fca2b23d0ba 76 self.cpu.append("-mfloat-abi=softfp")
marcozecchini 0:9fca2b23d0ba 77 elif target.core == "Cortex-M7FD":
marcozecchini 0:9fca2b23d0ba 78 self.cpu.append("-mfpu=fpv5-d16")
marcozecchini 0:9fca2b23d0ba 79 self.cpu.append("-mfloat-abi=softfp")
marcozecchini 0:9fca2b23d0ba 80
marcozecchini 0:9fca2b23d0ba 81 if target.core == "Cortex-A9":
marcozecchini 0:9fca2b23d0ba 82 self.cpu.append("-mthumb-interwork")
marcozecchini 0:9fca2b23d0ba 83 self.cpu.append("-marm")
marcozecchini 0:9fca2b23d0ba 84 self.cpu.append("-march=armv7-a")
marcozecchini 0:9fca2b23d0ba 85 self.cpu.append("-mfpu=vfpv3")
marcozecchini 0:9fca2b23d0ba 86 self.cpu.append("-mfloat-abi=hard")
marcozecchini 0:9fca2b23d0ba 87 self.cpu.append("-mno-unaligned-access")
marcozecchini 0:9fca2b23d0ba 88
marcozecchini 0:9fca2b23d0ba 89 if target.core.startswith("Cortex-M23"):
marcozecchini 0:9fca2b23d0ba 90 self.cpu.append("-march=armv8-m.base")
marcozecchini 0:9fca2b23d0ba 91 elif target.core.startswith("Cortex-M33"):
marcozecchini 0:9fca2b23d0ba 92 self.cpu.append("-march=armv8-m.main")
marcozecchini 0:9fca2b23d0ba 93
marcozecchini 0:9fca2b23d0ba 94 if target.core == "Cortex-M23" or target.core == "Cortex-M33":
marcozecchini 0:9fca2b23d0ba 95 self.cpu.append("-mcmse")
marcozecchini 0:9fca2b23d0ba 96
marcozecchini 0:9fca2b23d0ba 97 self.flags["common"] += self.cpu
marcozecchini 0:9fca2b23d0ba 98
marcozecchini 0:9fca2b23d0ba 99 main_cc = join(tool_path, "arm-none-eabi-gcc")
marcozecchini 0:9fca2b23d0ba 100 main_cppc = join(tool_path, "arm-none-eabi-g++")
marcozecchini 0:9fca2b23d0ba 101 self.asm = [main_cc] + self.flags['asm'] + self.flags["common"]
marcozecchini 0:9fca2b23d0ba 102 self.cc = [main_cc]
marcozecchini 0:9fca2b23d0ba 103 self.cppc =[main_cppc]
marcozecchini 0:9fca2b23d0ba 104 self.cc += self.flags['c'] + self.flags['common']
marcozecchini 0:9fca2b23d0ba 105 self.cppc += self.flags['cxx'] + self.flags['common']
marcozecchini 0:9fca2b23d0ba 106
marcozecchini 0:9fca2b23d0ba 107 self.flags['ld'] += self.cpu
marcozecchini 0:9fca2b23d0ba 108 self.ld = [join(tool_path, "arm-none-eabi-gcc")] + self.flags['ld']
marcozecchini 0:9fca2b23d0ba 109 self.sys_libs = ["stdc++", "supc++", "m", "c", "gcc", "nosys"]
marcozecchini 0:9fca2b23d0ba 110 self.preproc = [join(tool_path, "arm-none-eabi-cpp"), "-E", "-P"]
marcozecchini 0:9fca2b23d0ba 111
marcozecchini 0:9fca2b23d0ba 112 self.ar = join(tool_path, "arm-none-eabi-ar")
marcozecchini 0:9fca2b23d0ba 113 self.elf2bin = join(tool_path, "arm-none-eabi-objcopy")
marcozecchini 0:9fca2b23d0ba 114
marcozecchini 0:9fca2b23d0ba 115 def is_not_supported_error(self, output):
marcozecchini 0:9fca2b23d0ba 116 return "error: #error [NOT_SUPPORTED]" in output
marcozecchini 0:9fca2b23d0ba 117
marcozecchini 0:9fca2b23d0ba 118 def parse_output(self, output):
marcozecchini 0:9fca2b23d0ba 119 # The warning/error notification is multiline
marcozecchini 0:9fca2b23d0ba 120 msg = None
marcozecchini 0:9fca2b23d0ba 121 for line in output.splitlines():
marcozecchini 0:9fca2b23d0ba 122 match = self.DIAGNOSTIC_PATTERN.search(line)
marcozecchini 0:9fca2b23d0ba 123 if match is not None:
marcozecchini 0:9fca2b23d0ba 124 if msg is not None:
marcozecchini 0:9fca2b23d0ba 125 self.cc_info(msg)
marcozecchini 0:9fca2b23d0ba 126 msg = None
marcozecchini 0:9fca2b23d0ba 127 msg = {
marcozecchini 0:9fca2b23d0ba 128 'severity': match.group('severity').lower(),
marcozecchini 0:9fca2b23d0ba 129 'file': match.group('file'),
marcozecchini 0:9fca2b23d0ba 130 'line': match.group('line'),
marcozecchini 0:9fca2b23d0ba 131 'col': 0,
marcozecchini 0:9fca2b23d0ba 132 'message': match.group('message'),
marcozecchini 0:9fca2b23d0ba 133 'text': '',
marcozecchini 0:9fca2b23d0ba 134 'target_name': self.target.name,
marcozecchini 0:9fca2b23d0ba 135 'toolchain_name': self.name
marcozecchini 0:9fca2b23d0ba 136 }
marcozecchini 0:9fca2b23d0ba 137 elif msg is not None:
marcozecchini 0:9fca2b23d0ba 138 # Determine the warning/error column by calculating the ^ position
marcozecchini 0:9fca2b23d0ba 139 match = self.INDEX_PATTERN.match(line)
marcozecchini 0:9fca2b23d0ba 140 if match is not None:
marcozecchini 0:9fca2b23d0ba 141 msg['col'] = len(match.group('col'))
marcozecchini 0:9fca2b23d0ba 142 self.cc_info(msg)
marcozecchini 0:9fca2b23d0ba 143 msg = None
marcozecchini 0:9fca2b23d0ba 144 else:
marcozecchini 0:9fca2b23d0ba 145 msg['text'] += line+"\n"
marcozecchini 0:9fca2b23d0ba 146
marcozecchini 0:9fca2b23d0ba 147 if msg is not None:
marcozecchini 0:9fca2b23d0ba 148 self.cc_info(msg)
marcozecchini 0:9fca2b23d0ba 149
marcozecchini 0:9fca2b23d0ba 150 def get_dep_option(self, object):
marcozecchini 0:9fca2b23d0ba 151 base, _ = splitext(object)
marcozecchini 0:9fca2b23d0ba 152 dep_path = base + '.d'
marcozecchini 0:9fca2b23d0ba 153 return ["-MD", "-MF", dep_path]
marcozecchini 0:9fca2b23d0ba 154
marcozecchini 0:9fca2b23d0ba 155 def get_config_option(self, config_header):
marcozecchini 0:9fca2b23d0ba 156 return ['-include', config_header]
marcozecchini 0:9fca2b23d0ba 157
marcozecchini 0:9fca2b23d0ba 158 def get_compile_options(self, defines, includes, for_asm=False):
marcozecchini 0:9fca2b23d0ba 159 opts = ['-D%s' % d for d in defines]
marcozecchini 0:9fca2b23d0ba 160 if self.RESPONSE_FILES:
marcozecchini 0:9fca2b23d0ba 161 opts += ['@%s' % self.get_inc_file(includes)]
marcozecchini 0:9fca2b23d0ba 162 else:
marcozecchini 0:9fca2b23d0ba 163 opts += ["-I%s" % i for i in includes]
marcozecchini 0:9fca2b23d0ba 164
marcozecchini 0:9fca2b23d0ba 165 if not for_asm:
marcozecchini 0:9fca2b23d0ba 166 config_header = self.get_config_header()
marcozecchini 0:9fca2b23d0ba 167 if config_header is not None:
marcozecchini 0:9fca2b23d0ba 168 opts = opts + self.get_config_option(config_header)
marcozecchini 0:9fca2b23d0ba 169 return opts
marcozecchini 0:9fca2b23d0ba 170
marcozecchini 0:9fca2b23d0ba 171 @hook_tool
marcozecchini 0:9fca2b23d0ba 172 def assemble(self, source, object, includes):
marcozecchini 0:9fca2b23d0ba 173 # Build assemble command
marcozecchini 0:9fca2b23d0ba 174 cmd = self.asm + self.get_compile_options(self.get_symbols(True), includes) + ["-o", object, source]
marcozecchini 0:9fca2b23d0ba 175
marcozecchini 0:9fca2b23d0ba 176 # Call cmdline hook
marcozecchini 0:9fca2b23d0ba 177 cmd = self.hook.get_cmdline_assembler(cmd)
marcozecchini 0:9fca2b23d0ba 178
marcozecchini 0:9fca2b23d0ba 179 # Return command array, don't execute
marcozecchini 0:9fca2b23d0ba 180 return [cmd]
marcozecchini 0:9fca2b23d0ba 181
marcozecchini 0:9fca2b23d0ba 182 @hook_tool
marcozecchini 0:9fca2b23d0ba 183 def compile(self, cc, source, object, includes):
marcozecchini 0:9fca2b23d0ba 184 # Build compile command
marcozecchini 0:9fca2b23d0ba 185 cmd = cc + self.get_compile_options(self.get_symbols(), includes)
marcozecchini 0:9fca2b23d0ba 186
marcozecchini 0:9fca2b23d0ba 187 cmd.extend(self.get_dep_option(object))
marcozecchini 0:9fca2b23d0ba 188
marcozecchini 0:9fca2b23d0ba 189 cmd.extend(["-o", object, source])
marcozecchini 0:9fca2b23d0ba 190
marcozecchini 0:9fca2b23d0ba 191 # Call cmdline hook
marcozecchini 0:9fca2b23d0ba 192 cmd = self.hook.get_cmdline_compiler(cmd)
marcozecchini 0:9fca2b23d0ba 193
marcozecchini 0:9fca2b23d0ba 194 return [cmd]
marcozecchini 0:9fca2b23d0ba 195
marcozecchini 0:9fca2b23d0ba 196 def compile_c(self, source, object, includes):
marcozecchini 0:9fca2b23d0ba 197 return self.compile(self.cc, source, object, includes)
marcozecchini 0:9fca2b23d0ba 198
marcozecchini 0:9fca2b23d0ba 199 def compile_cpp(self, source, object, includes):
marcozecchini 0:9fca2b23d0ba 200 return self.compile(self.cppc, source, object, includes)
marcozecchini 0:9fca2b23d0ba 201
marcozecchini 0:9fca2b23d0ba 202 @hook_tool
marcozecchini 0:9fca2b23d0ba 203 def link(self, output, objects, libraries, lib_dirs, mem_map):
marcozecchini 0:9fca2b23d0ba 204 libs = []
marcozecchini 0:9fca2b23d0ba 205 for l in libraries:
marcozecchini 0:9fca2b23d0ba 206 name, _ = splitext(basename(l))
marcozecchini 0:9fca2b23d0ba 207 libs.append("-l%s" % name[3:])
marcozecchini 0:9fca2b23d0ba 208 libs.extend(["-l%s" % l for l in self.sys_libs])
marcozecchini 0:9fca2b23d0ba 209
marcozecchini 0:9fca2b23d0ba 210 # Preprocess
marcozecchini 0:9fca2b23d0ba 211 if mem_map:
marcozecchini 0:9fca2b23d0ba 212 preproc_output = join(dirname(output), ".link_script.ld")
marcozecchini 0:9fca2b23d0ba 213 cmd = (self.preproc + [mem_map] + self.ld[1:] +
marcozecchini 0:9fca2b23d0ba 214 [ "-o", preproc_output])
marcozecchini 0:9fca2b23d0ba 215 self.cc_verbose("Preproc: %s" % ' '.join(cmd))
marcozecchini 0:9fca2b23d0ba 216 self.default_cmd(cmd)
marcozecchini 0:9fca2b23d0ba 217 mem_map = preproc_output
marcozecchini 0:9fca2b23d0ba 218
marcozecchini 0:9fca2b23d0ba 219 # Build linker command
marcozecchini 0:9fca2b23d0ba 220 map_file = splitext(output)[0] + ".map"
marcozecchini 0:9fca2b23d0ba 221 cmd = self.ld + ["-o", output, "-Wl,-Map=%s" % map_file] + objects + ["-Wl,--start-group"] + libs + ["-Wl,--end-group"]
marcozecchini 0:9fca2b23d0ba 222 if mem_map:
marcozecchini 0:9fca2b23d0ba 223 cmd.extend(['-T', mem_map])
marcozecchini 0:9fca2b23d0ba 224
marcozecchini 0:9fca2b23d0ba 225 for L in lib_dirs:
marcozecchini 0:9fca2b23d0ba 226 cmd.extend(['-L', L])
marcozecchini 0:9fca2b23d0ba 227 cmd.extend(libs)
marcozecchini 0:9fca2b23d0ba 228
marcozecchini 0:9fca2b23d0ba 229 # Call cmdline hook
marcozecchini 0:9fca2b23d0ba 230 cmd = self.hook.get_cmdline_linker(cmd)
marcozecchini 0:9fca2b23d0ba 231
marcozecchini 0:9fca2b23d0ba 232 if self.RESPONSE_FILES:
marcozecchini 0:9fca2b23d0ba 233 # Split link command to linker executable + response file
marcozecchini 0:9fca2b23d0ba 234 cmd_linker = cmd[0]
marcozecchini 0:9fca2b23d0ba 235 link_files = self.get_link_file(cmd[1:])
marcozecchini 0:9fca2b23d0ba 236 cmd = [cmd_linker, "@%s" % link_files]
marcozecchini 0:9fca2b23d0ba 237
marcozecchini 0:9fca2b23d0ba 238 # Exec command
marcozecchini 0:9fca2b23d0ba 239 self.cc_verbose("Link: %s" % ' '.join(cmd))
marcozecchini 0:9fca2b23d0ba 240 self.default_cmd(cmd)
marcozecchini 0:9fca2b23d0ba 241
marcozecchini 0:9fca2b23d0ba 242 @hook_tool
marcozecchini 0:9fca2b23d0ba 243 def archive(self, objects, lib_path):
marcozecchini 0:9fca2b23d0ba 244 if self.RESPONSE_FILES:
marcozecchini 0:9fca2b23d0ba 245 param = ["@%s" % self.get_arch_file(objects)]
marcozecchini 0:9fca2b23d0ba 246 else:
marcozecchini 0:9fca2b23d0ba 247 param = objects
marcozecchini 0:9fca2b23d0ba 248
marcozecchini 0:9fca2b23d0ba 249 # Exec command
marcozecchini 0:9fca2b23d0ba 250 self.default_cmd([self.ar, 'rcs', lib_path] + param)
marcozecchini 0:9fca2b23d0ba 251
marcozecchini 0:9fca2b23d0ba 252 @hook_tool
marcozecchini 0:9fca2b23d0ba 253 def binary(self, resources, elf, bin):
marcozecchini 0:9fca2b23d0ba 254 # Build binary command
marcozecchini 0:9fca2b23d0ba 255 _, fmt = splitext(bin)
marcozecchini 0:9fca2b23d0ba 256 bin_arg = {'.bin': 'binary', '.hex': 'ihex'}[fmt]
marcozecchini 0:9fca2b23d0ba 257 cmd = [self.elf2bin, "-O", bin_arg, elf, bin]
marcozecchini 0:9fca2b23d0ba 258
marcozecchini 0:9fca2b23d0ba 259 # Call cmdline hook
marcozecchini 0:9fca2b23d0ba 260 cmd = self.hook.get_cmdline_binary(cmd)
marcozecchini 0:9fca2b23d0ba 261
marcozecchini 0:9fca2b23d0ba 262 # Exec command
marcozecchini 0:9fca2b23d0ba 263 self.cc_verbose("FromELF: %s" % ' '.join(cmd))
marcozecchini 0:9fca2b23d0ba 264 self.default_cmd(cmd)
marcozecchini 0:9fca2b23d0ba 265
marcozecchini 0:9fca2b23d0ba 266 @staticmethod
marcozecchini 0:9fca2b23d0ba 267 def name_mangle(name):
marcozecchini 0:9fca2b23d0ba 268 return "_Z%i%sv" % (len(name), name)
marcozecchini 0:9fca2b23d0ba 269
marcozecchini 0:9fca2b23d0ba 270 @staticmethod
marcozecchini 0:9fca2b23d0ba 271 def make_ld_define(name, value):
marcozecchini 0:9fca2b23d0ba 272 return "-D%s=0x%x" % (name, value)
marcozecchini 0:9fca2b23d0ba 273
marcozecchini 0:9fca2b23d0ba 274 @staticmethod
marcozecchini 0:9fca2b23d0ba 275 def redirect_symbol(source, sync, build_dir):
marcozecchini 0:9fca2b23d0ba 276 return "-Wl,--defsym=%s=%s" % (source, sync)
marcozecchini 0:9fca2b23d0ba 277
marcozecchini 0:9fca2b23d0ba 278 @staticmethod
marcozecchini 0:9fca2b23d0ba 279 def check_executable():
marcozecchini 0:9fca2b23d0ba 280 """Returns True if the executable (arm-none-eabi-gcc) location
marcozecchini 0:9fca2b23d0ba 281 specified by the user exists OR the executable can be found on the PATH.
marcozecchini 0:9fca2b23d0ba 282 Returns False otherwise."""
marcozecchini 0:9fca2b23d0ba 283 if not TOOLCHAIN_PATHS['GCC_ARM'] or not exists(TOOLCHAIN_PATHS['GCC_ARM']):
marcozecchini 0:9fca2b23d0ba 284 if find_executable('arm-none-eabi-gcc'):
marcozecchini 0:9fca2b23d0ba 285 TOOLCHAIN_PATHS['GCC_ARM'] = ''
marcozecchini 0:9fca2b23d0ba 286 return True
marcozecchini 0:9fca2b23d0ba 287 else:
marcozecchini 0:9fca2b23d0ba 288 return False
marcozecchini 0:9fca2b23d0ba 289 else:
marcozecchini 0:9fca2b23d0ba 290 exec_name = join(TOOLCHAIN_PATHS['GCC_ARM'], 'arm-none-eabi-gcc')
marcozecchini 0:9fca2b23d0ba 291 return exists(exec_name) or exists(exec_name + '.exe')
marcozecchini 0:9fca2b23d0ba 292
marcozecchini 0:9fca2b23d0ba 293 class GCC_ARM(GCC):
marcozecchini 0:9fca2b23d0ba 294 pass