Anders Blomdell / mbed-sdk-tools

Clone of official tools

toolchains/gcc.py@13:ab47a20b66f0, 2016-07-14 (annotated)

Committer:
screamer
Date:
Thu Jul 14 20:21:19 2016 +0100
Revision:
13:ab47a20b66f0
Parent:
7:5af61d55adbe
Child:
20:835f6355470d
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screamer 0:66f3b5499f7f 1 """
screamer 0:66f3b5499f7f 2 mbed SDK
screamer 0:66f3b5499f7f 3 Copyright (c) 2011-2013 ARM Limited
screamer 0:66f3b5499f7f 4
screamer 0:66f3b5499f7f 5 Licensed under the Apache License, Version 2.0 (the "License");
screamer 0:66f3b5499f7f 6 you may not use this file except in compliance with the License.
screamer 0:66f3b5499f7f 7 You may obtain a copy of the License at
screamer 0:66f3b5499f7f 8
screamer 0:66f3b5499f7f 9 http://www.apache.org/licenses/LICENSE-2.0
screamer 0:66f3b5499f7f 10
screamer 0:66f3b5499f7f 11 Unless required by applicable law or agreed to in writing, software
screamer 0:66f3b5499f7f 12 distributed under the License is distributed on an "AS IS" BASIS,
screamer 0:66f3b5499f7f 13 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
screamer 0:66f3b5499f7f 14 See the License for the specific language governing permissions and
screamer 0:66f3b5499f7f 15 limitations under the License.
screamer 0:66f3b5499f7f 16 """
screamer 0:66f3b5499f7f 17 import re
screamer 0:66f3b5499f7f 18 from os.path import join, basename, splitext, dirname, exists
screamer 0:66f3b5499f7f 19
screamer 0:66f3b5499f7f 20 from tools.toolchains import mbedToolchain
screamer 0:66f3b5499f7f 21 from tools.settings import GCC_ARM_PATH, GCC_CR_PATH
screamer 0:66f3b5499f7f 22 from tools.settings import GOANNA_PATH
screamer 0:66f3b5499f7f 23 from tools.hooks import hook_tool
screamer 0:66f3b5499f7f 24
screamer 0:66f3b5499f7f 25 class GCC(mbedToolchain):
screamer 0:66f3b5499f7f 26 LINKER_EXT = '.ld'
screamer 0:66f3b5499f7f 27 LIBRARY_EXT = '.a'
screamer 0:66f3b5499f7f 28
screamer 0:66f3b5499f7f 29 STD_LIB_NAME = "lib%s.a"
screamer 13:ab47a20b66f0 30 DIAGNOSTIC_PATTERN = re.compile('((?P<file>[^:]+):(?P<line>\d+):)(\d+:)? (?P<severity>warning|error): (?P<message>.+)')
screamer 0:66f3b5499f7f 31
screamer 13:ab47a20b66f0 32 DEFAULT_FLAGS = {
screamer 13:ab47a20b66f0 33 'common': ["-c", "-Wall", "-Wextra",
screamer 13:ab47a20b66f0 34 "-Wno-unused-parameter", "-Wno-missing-field-initializers",
screamer 13:ab47a20b66f0 35 "-fmessage-length=0", "-fno-exceptions", "-fno-builtin",
screamer 13:ab47a20b66f0 36 "-ffunction-sections", "-fdata-sections", "-funsigned-char",
screamer 13:ab47a20b66f0 37 "-MMD", "-fno-delete-null-pointer-checks", "-fomit-frame-pointer"
screamer 13:ab47a20b66f0 38 ],
screamer 13:ab47a20b66f0 39 'asm': ["-x", "assembler-with-cpp"],
screamer 13:ab47a20b66f0 40 'c': ["-std=gnu99"],
screamer 13:ab47a20b66f0 41 'cxx': ["-std=gnu++98", "-fno-rtti", "-Wvla"],
screamer 13:ab47a20b66f0 42 'ld': ["-Wl,--gc-sections", "-Wl,--wrap,main",
screamer 13:ab47a20b66f0 43 "-Wl,--wrap,_malloc_r", "-Wl,--wrap,_free_r", "-Wl,--wrap,_realloc_r"],
screamer 13:ab47a20b66f0 44 }
screamer 13:ab47a20b66f0 45
screamer 13:ab47a20b66f0 46 def __init__(self, target, options=None, notify=None, macros=None, silent=False, tool_path="", extra_verbose=False):
screamer 13:ab47a20b66f0 47 mbedToolchain.__init__(self, target, options, notify, macros, silent, extra_verbose=extra_verbose)
screamer 0:66f3b5499f7f 48
screamer 0:66f3b5499f7f 49 if target.core == "Cortex-M0+":
screamer 0:66f3b5499f7f 50 cpu = "cortex-m0plus"
screamer 0:66f3b5499f7f 51 elif target.core == "Cortex-M4F":
screamer 0:66f3b5499f7f 52 cpu = "cortex-m4"
screamer 0:66f3b5499f7f 53 elif target.core == "Cortex-M7F":
screamer 0:66f3b5499f7f 54 cpu = "cortex-m7"
screamer 13:ab47a20b66f0 55 elif target.core == "Cortex-M7FD":
screamer 13:ab47a20b66f0 56 cpu = "cortex-m7"
screamer 0:66f3b5499f7f 57 else:
screamer 0:66f3b5499f7f 58 cpu = target.core.lower()
screamer 0:66f3b5499f7f 59
screamer 0:66f3b5499f7f 60 self.cpu = ["-mcpu=%s" % cpu]
screamer 0:66f3b5499f7f 61 if target.core.startswith("Cortex"):
screamer 0:66f3b5499f7f 62 self.cpu.append("-mthumb")
screamer 0:66f3b5499f7f 63
screamer 13:ab47a20b66f0 64 # FPU handling, M7 possibly to have double FPU
screamer 0:66f3b5499f7f 65 if target.core == "Cortex-M4F":
screamer 0:66f3b5499f7f 66 self.cpu.append("-mfpu=fpv4-sp-d16")
screamer 0:66f3b5499f7f 67 self.cpu.append("-mfloat-abi=softfp")
screamer 0:66f3b5499f7f 68 elif target.core == "Cortex-M7F":
screamer 13:ab47a20b66f0 69 self.cpu.append("-mfpu=fpv5-sp-d16")
screamer 13:ab47a20b66f0 70 self.cpu.append("-mfloat-abi=softfp")
screamer 13:ab47a20b66f0 71 elif target.core == "Cortex-M7FD":
screamer 0:66f3b5499f7f 72 self.cpu.append("-mfpu=fpv5-d16")
screamer 0:66f3b5499f7f 73 self.cpu.append("-mfloat-abi=softfp")
screamer 0:66f3b5499f7f 74
screamer 13:ab47a20b66f0 75
screamer 13:ab47a20b66f0 76
screamer 0:66f3b5499f7f 77 if target.core == "Cortex-A9":
screamer 0:66f3b5499f7f 78 self.cpu.append("-mthumb-interwork")
screamer 0:66f3b5499f7f 79 self.cpu.append("-marm")
screamer 0:66f3b5499f7f 80 self.cpu.append("-march=armv7-a")
screamer 0:66f3b5499f7f 81 self.cpu.append("-mfpu=vfpv3")
screamer 0:66f3b5499f7f 82 self.cpu.append("-mfloat-abi=hard")
screamer 0:66f3b5499f7f 83 self.cpu.append("-mno-unaligned-access")
screamer 0:66f3b5499f7f 84
screamer 13:ab47a20b66f0 85
screamer 0:66f3b5499f7f 86 # Note: We are using "-O2" instead of "-Os" to avoid this known GCC bug:
screamer 0:66f3b5499f7f 87 # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46762
screamer 13:ab47a20b66f0 88 self.flags["common"] += self.cpu
screamer 0:66f3b5499f7f 89
screamer 0:66f3b5499f7f 90 if "save-asm" in self.options:
screamer 13:ab47a20b66f0 91 self.flags["common"].append("-save-temps")
screamer 13:ab47a20b66f0 92
screamer 0:66f3b5499f7f 93 if "debug-info" in self.options:
screamer 13:ab47a20b66f0 94 self.flags["common"].append("-g")
screamer 13:ab47a20b66f0 95 self.flags["common"].append("-O0")
screamer 13:ab47a20b66f0 96 else:
screamer 13:ab47a20b66f0 97 self.flags["common"].append("-O2")
screamer 2:07730b0f452c 98
screamer 13:ab47a20b66f0 99 main_cc = join(tool_path, "arm-none-eabi-gcc")
screamer 13:ab47a20b66f0 100 main_cppc = join(tool_path, "arm-none-eabi-g++")
screamer 13:ab47a20b66f0 101 self.asm = [main_cc] + self.flags['asm'] + self.flags["common"]
screamer 13:ab47a20b66f0 102 if not "analyze" in self.options:
screamer 13:ab47a20b66f0 103 self.cc = [main_cc]
screamer 13:ab47a20b66f0 104 self.cppc =[main_cppc]
screamer 13:ab47a20b66f0 105 else:
screamer 13:ab47a20b66f0 106 self.cc = [join(GOANNA_PATH, "goannacc"), "--with-cc=" + main_cc.replace('\\', '/'), "--dialect=gnu", '--output-format="%s"' % self.GOANNA_FORMAT]
screamer 13:ab47a20b66f0 107 self.cppc= [join(GOANNA_PATH, "goannac++"), "--with-cxx=" + main_cppc.replace('\\', '/'), "--dialect=gnu", '--output-format="%s"' % self.GOANNA_FORMAT]
screamer 13:ab47a20b66f0 108 self.cc += self.flags['c'] + self.flags['common']
screamer 13:ab47a20b66f0 109 self.cppc += self.flags['cxx'] + self.flags['common']
screamer 0:66f3b5499f7f 110
screamer 13:ab47a20b66f0 111 self.flags['ld'] += self.cpu
screamer 13:ab47a20b66f0 112 self.ld = [join(tool_path, "arm-none-eabi-gcc")] + self.flags['ld']
screamer 0:66f3b5499f7f 113 self.sys_libs = ["stdc++", "supc++", "m", "c", "gcc"]
screamer 0:66f3b5499f7f 114
screamer 0:66f3b5499f7f 115 self.ar = join(tool_path, "arm-none-eabi-ar")
screamer 0:66f3b5499f7f 116 self.elf2bin = join(tool_path, "arm-none-eabi-objcopy")
screamer 0:66f3b5499f7f 117
screamer 0:66f3b5499f7f 118 def parse_dependencies(self, dep_path):
screamer 0:66f3b5499f7f 119 dependencies = []
screamer 0:66f3b5499f7f 120 buff = open(dep_path).readlines()
screamer 0:66f3b5499f7f 121 buff[0] = re.sub('^(.*?)\: ', '', buff[0])
screamer 0:66f3b5499f7f 122 for line in buff:
screamer 0:66f3b5499f7f 123 file = line.replace('\\\n', '').strip()
screamer 0:66f3b5499f7f 124 if file:
screamer 0:66f3b5499f7f 125 # GCC might list more than one dependency on a single line, in this case
screamer 0:66f3b5499f7f 126 # the dependencies are separated by a space. However, a space might also
screamer 0:66f3b5499f7f 127 # indicate an actual space character in a dependency path, but in this case
screamer 0:66f3b5499f7f 128 # the space character is prefixed by a backslash.
screamer 0:66f3b5499f7f 129 # Temporary replace all '\ ' with a special char that is not used (\a in this
screamer 0:66f3b5499f7f 130 # case) to keep them from being interpreted by 'split' (they will be converted
screamer 0:66f3b5499f7f 131 # back later to a space char)
screamer 0:66f3b5499f7f 132 file = file.replace('\\ ', '\a')
screamer 0:66f3b5499f7f 133 if file.find(" ") == -1:
screamer 0:66f3b5499f7f 134 dependencies.append(file.replace('\a', ' '))
screamer 0:66f3b5499f7f 135 else:
screamer 0:66f3b5499f7f 136 dependencies = dependencies + [f.replace('\a', ' ') for f in file.split(" ")]
screamer 0:66f3b5499f7f 137 return dependencies
screamer 0:66f3b5499f7f 138
screamer 0:66f3b5499f7f 139 def is_not_supported_error(self, output):
screamer 0:66f3b5499f7f 140 return "error: #error [NOT_SUPPORTED]" in output
screamer 0:66f3b5499f7f 141
screamer 0:66f3b5499f7f 142 def parse_output(self, output):
screamer 0:66f3b5499f7f 143 # The warning/error notification is multiline
screamer 0:66f3b5499f7f 144 WHERE, WHAT = 0, 1
screamer 0:66f3b5499f7f 145 state, file, message = WHERE, None, None
screamer 0:66f3b5499f7f 146 for line in output.splitlines():
screamer 0:66f3b5499f7f 147 match = self.goanna_parse_line(line)
screamer 0:66f3b5499f7f 148 if match is not None:
screamer 0:66f3b5499f7f 149 self.cc_info(
screamer 0:66f3b5499f7f 150 match.group('severity').lower(),
screamer 0:66f3b5499f7f 151 match.group('file'),
screamer 0:66f3b5499f7f 152 match.group('line'),
screamer 0:66f3b5499f7f 153 match.group('message'),
screamer 0:66f3b5499f7f 154 target_name=self.target.name,
screamer 0:66f3b5499f7f 155 toolchain_name=self.name
screamer 0:66f3b5499f7f 156 )
screamer 0:66f3b5499f7f 157 continue
screamer 0:66f3b5499f7f 158
screamer 0:66f3b5499f7f 159
screamer 13:ab47a20b66f0 160 match = GCC.DIAGNOSTIC_PATTERN.match(line)
screamer 13:ab47a20b66f0 161 if match is not None:
screamer 0:66f3b5499f7f 162 self.cc_info(
screamer 13:ab47a20b66f0 163 match.group('severity').lower(),
screamer 13:ab47a20b66f0 164 match.group('file'),
screamer 13:ab47a20b66f0 165 match.group('line'),
screamer 13:ab47a20b66f0 166 match.group('message'),
screamer 13:ab47a20b66f0 167 target_name=self.target.name,
screamer 13:ab47a20b66f0 168 toolchain_name=self.name
screamer 0:66f3b5499f7f 169 )
screamer 0:66f3b5499f7f 170
screamer 0:66f3b5499f7f 171 def get_dep_option(self, object):
screamer 0:66f3b5499f7f 172 base, _ = splitext(object)
screamer 0:66f3b5499f7f 173 dep_path = base + '.d'
screamer 0:66f3b5499f7f 174 return ["-MD", "-MF", dep_path]
screamer 0:66f3b5499f7f 175
screamer 13:ab47a20b66f0 176 def get_config_option(self, config_header):
screamer 13:ab47a20b66f0 177 return ['-include', config_header]
screamer 13:ab47a20b66f0 178
screamer 0:66f3b5499f7f 179 def get_compile_options(self, defines, includes):
screamer 13:ab47a20b66f0 180 opts = ['-D%s' % d for d in defines] + ['@%s' % self.get_inc_file(includes)]
screamer 13:ab47a20b66f0 181 config_header = self.get_config_header()
screamer 13:ab47a20b66f0 182 if config_header is not None:
screamer 13:ab47a20b66f0 183 opts = opts + self.get_config_option(config_header)
screamer 13:ab47a20b66f0 184 return opts
screamer 0:66f3b5499f7f 185
screamer 0:66f3b5499f7f 186 @hook_tool
screamer 0:66f3b5499f7f 187 def assemble(self, source, object, includes):
screamer 0:66f3b5499f7f 188 # Build assemble command
screamer 0:66f3b5499f7f 189 cmd = self.asm + self.get_compile_options(self.get_symbols(), includes) + ["-o", object, source]
screamer 0:66f3b5499f7f 190
screamer 0:66f3b5499f7f 191 # Call cmdline hook
screamer 0:66f3b5499f7f 192 cmd = self.hook.get_cmdline_assembler(cmd)
screamer 0:66f3b5499f7f 193
screamer 0:66f3b5499f7f 194 # Return command array, don't execute
screamer 0:66f3b5499f7f 195 return [cmd]
screamer 0:66f3b5499f7f 196
screamer 0:66f3b5499f7f 197 @hook_tool
screamer 0:66f3b5499f7f 198 def compile(self, cc, source, object, includes):
screamer 0:66f3b5499f7f 199 # Build compile command
screamer 0:66f3b5499f7f 200 cmd = cc + self.get_compile_options(self.get_symbols(), includes)
screamer 0:66f3b5499f7f 201
screamer 0:66f3b5499f7f 202 cmd.extend(self.get_dep_option(object))
screamer 0:66f3b5499f7f 203
screamer 0:66f3b5499f7f 204 cmd.extend(["-o", object, source])
screamer 13:ab47a20b66f0 205
screamer 0:66f3b5499f7f 206 # Call cmdline hook
screamer 0:66f3b5499f7f 207 cmd = self.hook.get_cmdline_compiler(cmd)
screamer 0:66f3b5499f7f 208
screamer 0:66f3b5499f7f 209 return [cmd]
screamer 0:66f3b5499f7f 210
screamer 0:66f3b5499f7f 211 def compile_c(self, source, object, includes):
screamer 0:66f3b5499f7f 212 return self.compile(self.cc, source, object, includes)
screamer 0:66f3b5499f7f 213
screamer 0:66f3b5499f7f 214 def compile_cpp(self, source, object, includes):
screamer 0:66f3b5499f7f 215 return self.compile(self.cppc, source, object, includes)
screamer 0:66f3b5499f7f 216
screamer 0:66f3b5499f7f 217 @hook_tool
screamer 0:66f3b5499f7f 218 def link(self, output, objects, libraries, lib_dirs, mem_map):
screamer 0:66f3b5499f7f 219 libs = []
screamer 0:66f3b5499f7f 220 for l in libraries:
screamer 0:66f3b5499f7f 221 name, _ = splitext(basename(l))
screamer 0:66f3b5499f7f 222 libs.append("-l%s" % name[3:])
screamer 0:66f3b5499f7f 223 libs.extend(["-l%s" % l for l in self.sys_libs])
screamer 0:66f3b5499f7f 224
screamer 0:66f3b5499f7f 225 # Build linker command
screamer 7:5af61d55adbe 226 map_file = splitext(output)[0] + ".map"
screamer 13:ab47a20b66f0 227 cmd = self.ld + ["-o", output, "-Wl,-Map=%s" % map_file] + objects + ["-Wl,--start-group"] + libs + ["-Wl,--end-group"]
screamer 0:66f3b5499f7f 228 if mem_map:
screamer 0:66f3b5499f7f 229 cmd.extend(['-T', mem_map])
screamer 13:ab47a20b66f0 230
screamer 0:66f3b5499f7f 231 for L in lib_dirs:
screamer 0:66f3b5499f7f 232 cmd.extend(['-L', L])
screamer 0:66f3b5499f7f 233 cmd.extend(libs)
screamer 0:66f3b5499f7f 234
screamer 0:66f3b5499f7f 235 # Call cmdline hook
screamer 0:66f3b5499f7f 236 cmd = self.hook.get_cmdline_linker(cmd)
screamer 0:66f3b5499f7f 237
screamer 0:66f3b5499f7f 238 # Split link command to linker executable + response file
screamer 0:66f3b5499f7f 239 link_files = join(dirname(output), ".link_files.txt")
screamer 0:66f3b5499f7f 240 with open(link_files, "wb") as f:
screamer 0:66f3b5499f7f 241 cmd_linker = cmd[0]
screamer 0:66f3b5499f7f 242 cmd_list = []
screamer 0:66f3b5499f7f 243 for c in cmd[1:]:
screamer 0:66f3b5499f7f 244 if c:
screamer 13:ab47a20b66f0 245 cmd_list.append(('"%s"' % c) if not c.startswith('-') else c)
screamer 0:66f3b5499f7f 246 string = " ".join(cmd_list).replace("\\", "/")
screamer 0:66f3b5499f7f 247 f.write(string)
screamer 0:66f3b5499f7f 248
screamer 0:66f3b5499f7f 249 # Exec command
screamer 0:66f3b5499f7f 250 self.default_cmd([cmd_linker, "@%s" % link_files])
screamer 0:66f3b5499f7f 251
screamer 0:66f3b5499f7f 252 @hook_tool
screamer 0:66f3b5499f7f 253 def archive(self, objects, lib_path):
screamer 0:66f3b5499f7f 254 archive_files = join(dirname(lib_path), ".archive_files.txt")
screamer 0:66f3b5499f7f 255 with open(archive_files, "wb") as f:
screamer 0:66f3b5499f7f 256 o_list = []
screamer 0:66f3b5499f7f 257 for o in objects:
screamer 13:ab47a20b66f0 258 o_list.append('"%s"' % o)
screamer 0:66f3b5499f7f 259 string = " ".join(o_list).replace("\\", "/")
screamer 0:66f3b5499f7f 260 f.write(string)
screamer 0:66f3b5499f7f 261
screamer 0:66f3b5499f7f 262 # Exec command
screamer 0:66f3b5499f7f 263 self.default_cmd([self.ar, 'rcs', lib_path, "@%s" % archive_files])
screamer 0:66f3b5499f7f 264
screamer 0:66f3b5499f7f 265 @hook_tool
screamer 0:66f3b5499f7f 266 def binary(self, resources, elf, bin):
screamer 0:66f3b5499f7f 267 # Build binary command
screamer 0:66f3b5499f7f 268 cmd = [self.elf2bin, "-O", "binary", elf, bin]
screamer 0:66f3b5499f7f 269
screamer 0:66f3b5499f7f 270 # Call cmdline hook
screamer 0:66f3b5499f7f 271 cmd = self.hook.get_cmdline_binary(cmd)
screamer 0:66f3b5499f7f 272
screamer 0:66f3b5499f7f 273 # Exec command
screamer 0:66f3b5499f7f 274 self.default_cmd(cmd)
screamer 0:66f3b5499f7f 275
screamer 0:66f3b5499f7f 276
screamer 0:66f3b5499f7f 277 class GCC_ARM(GCC):
screamer 13:ab47a20b66f0 278 def __init__(self, target, options=None, notify=None, macros=None, silent=False, extra_verbose=False):
screamer 13:ab47a20b66f0 279 GCC.__init__(self, target, options, notify, macros, silent, GCC_ARM_PATH, extra_verbose=extra_verbose)
screamer 0:66f3b5499f7f 280
screamer 0:66f3b5499f7f 281 # Use latest gcc nanolib
screamer 13:ab47a20b66f0 282 if "big-build" in self.options:
screamer 13:ab47a20b66f0 283 use_nano = False
screamer 13:ab47a20b66f0 284 elif "small-build" in self.options:
screamer 13:ab47a20b66f0 285 use_nano = True
screamer 13:ab47a20b66f0 286 elif target.default_build == "standard":
screamer 13:ab47a20b66f0 287 use_nano = False
screamer 13:ab47a20b66f0 288 elif target.default_build == "small":
screamer 13:ab47a20b66f0 289 use_nano = True
screamer 13:ab47a20b66f0 290 else:
screamer 13:ab47a20b66f0 291 use_nano = False
screamer 13:ab47a20b66f0 292
screamer 13:ab47a20b66f0 293 if use_nano:
screamer 13:ab47a20b66f0 294 self.ld.append("--specs=nano.specs")
screamer 13:ab47a20b66f0 295 self.flags['ld'].append("--specs=nano.specs")
screamer 13:ab47a20b66f0 296 self.cc += ["-DMBED_RTOS_SINGLE_THREAD"]
screamer 13:ab47a20b66f0 297 self.cppc += ["-DMBED_RTOS_SINGLE_THREAD"]
screamer 13:ab47a20b66f0 298 self.macros.extend(["MBED_RTOS_SINGLE_THREAD"])
screamer 13:ab47a20b66f0 299
screamer 13:ab47a20b66f0 300 if target.name in ["LPC1768", "LPC4088", "LPC4088_DM", "LPC4330", "UBLOX_C027", "LPC2368", "ARM_BEETLE_SOC"]:
screamer 0:66f3b5499f7f 301 self.ld.extend(["-u _printf_float", "-u _scanf_float"])
screamer 13:ab47a20b66f0 302 self.flags['ld'].extend(["-u _printf_float", "-u _scanf_float"])
screamer 13:ab47a20b66f0 303 elif target.name in ["RZ_A1H", "VK_RZ_A1H", "ARCH_MAX", "DISCO_F407VG", "DISCO_F429ZI", "DISCO_F469NI", "NUCLEO_F401RE", "NUCLEO_F410RB", "NUCLEO_F411RE", "NUCLEO_F429ZI", "NUCLEO_F446RE", "NUCLEO_F446ZE", "ELMO_F411RE", "MTS_MDOT_F411RE", "MTS_DRAGONFLY_F411RE", "DISCO_F746NG"]:
screamer 0:66f3b5499f7f 304 self.ld.extend(["-u_printf_float", "-u_scanf_float"])
screamer 13:ab47a20b66f0 305 self.flags['ld'].extend(["-u_printf_float", "-u_scanf_float"])
screamer 0:66f3b5499f7f 306
screamer 0:66f3b5499f7f 307 self.sys_libs.append("nosys")
screamer 0:66f3b5499f7f 308
screamer 0:66f3b5499f7f 309
screamer 0:66f3b5499f7f 310 class GCC_CR(GCC):
screamer 13:ab47a20b66f0 311 def __init__(self, target, options=None, notify=None, macros=None, silent=False, extra_verbose=False):
screamer 13:ab47a20b66f0 312 GCC.__init__(self, target, options, notify, macros, silent, GCC_CR_PATH, extra_verbose=extra_verbose)
screamer 0:66f3b5499f7f 313
screamer 0:66f3b5499f7f 314 additional_compiler_flags = [
screamer 0:66f3b5499f7f 315 "-D__NEWLIB__", "-D__CODE_RED", "-D__USE_CMSIS", "-DCPP_USE_HEAP",
screamer 0:66f3b5499f7f 316 ]
screamer 0:66f3b5499f7f 317 self.cc += additional_compiler_flags
screamer 0:66f3b5499f7f 318 self.cppc += additional_compiler_flags
screamer 0:66f3b5499f7f 319
screamer 0:66f3b5499f7f 320 # Use latest gcc nanolib
screamer 0:66f3b5499f7f 321 self.ld.append("--specs=nano.specs")
screamer 0:66f3b5499f7f 322 if target.name in ["LPC1768", "LPC4088", "LPC4088_DM", "LPC4330", "UBLOX_C027", "LPC2368"]:
screamer 0:66f3b5499f7f 323 self.ld.extend(["-u _printf_float", "-u _scanf_float"])
screamer 0:66f3b5499f7f 324 self.ld += ["-nostdlib"]