""" 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 from os.path import join, basename, splitext from tools.toolchains import mbedToolchain from tools.settings import GCC_ARM_PATH, GCC_CR_PATH from tools.settings import GOANNA_PATH from tools.hooks import hook_tool class GCC(mbedToolchain): LINKER_EXT = '.ld' LIBRARY_EXT = '.a' STD_LIB_NAME = "lib%s.a" DIAGNOSTIC_PATTERN = re.compile('((?P<line>\d+):)(\d+:)? (?P<severity>warning|error): (?P<message>.+)') def __init__(self, target, options=None, notify=None, macros=None, silent=False, tool_path="", extra_verbose=False): mbedToolchain.__init__(self, target, options, notify, macros, silent, extra_verbose=extra_verbose) if target.core == "Cortex-M0+": cpu = "cortex-m0plus" elif target.core == "Cortex-M4F": cpu = "cortex-m4" elif target.core == "Cortex-M7F": cpu = "cortex-m7" else: cpu = target.core.lower() self.cpu = ["-mcpu=%s" % cpu] if target.core.startswith("Cortex"): self.cpu.append("-mthumb") if target.core == "Cortex-M4F": self.cpu.append("-mfpu=fpv4-sp-d16") self.cpu.append("-mfloat-abi=softfp") elif target.core == "Cortex-M7F": self.cpu.append("-mfpu=fpv5-d16") self.cpu.append("-mfloat-abi=softfp") if target.core == "Cortex-A9": self.cpu.append("-mthumb-interwork") self.cpu.append("-marm") self.cpu.append("-march=armv7-a") self.cpu.append("-mfpu=vfpv3") self.cpu.append("-mfloat-abi=hard") self.cpu.append("-mno-unaligned-access") # Note: We are using "-O2" instead of "-Os" to avoid this known GCC bug: # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46762 common_flags = ["-c", "-Wall", "-Wextra", "-Wno-unused-parameter", "-Wno-missing-field-initializers", "-fmessage-length=0", "-fno-exceptions", "-fno-builtin", "-ffunction-sections", "-fdata-sections", "-MMD", "-fno-delete-null-pointer-checks", "-fomit-frame-pointer" ] + self.cpu if "save-asm" in self.options: common_flags.append("-save-temps") if "debug-info" in self.options: common_flags.append("-g") common_flags.append("-O0") else: common_flags.append("-O2") main_cc = join(tool_path, "arm-none-eabi-gcc") main_cppc = join(tool_path, "arm-none-eabi-g++") self.asm = [main_cc, "-x", "assembler-with-cpp"] + common_flags if not "analyze" in self.options: self.cc = [main_cc, "-std=gnu99"] + common_flags self.cppc =[main_cppc, "-std=gnu++98", "-fno-rtti"] + common_flags else: self.cc = [join(GOANNA_PATH, "goannacc"), "--with-cc=" + main_cc.replace('\\', '/'), "-std=gnu99", "--dialect=gnu", '--output-format="%s"' % self.GOANNA_FORMAT] + common_flags self.cppc= [join(GOANNA_PATH, "goannac++"), "--with-cxx=" + main_cppc.replace('\\', '/'), "-std=gnu++98", "-fno-rtti", "--dialect=gnu", '--output-format="%s"' % self.GOANNA_FORMAT] + common_flags self.ld = [join(tool_path, "arm-none-eabi-gcc"), "-Wl,--gc-sections", "-Wl,--wrap,main"] + self.cpu self.sys_libs = ["stdc++", "supc++", "m", "c", "gcc"] self.ar = join(tool_path, "arm-none-eabi-ar") self.elf2bin = join(tool_path, "arm-none-eabi-objcopy") def assemble(self, source, object, includes): return [self.hook.get_cmdline_assembler(self.asm + ['-D%s' % s for s in self.get_symbols() + self.macros] + ["-I%s" % i for i in includes] + ["-o", object, source])] def parse_dependencies(self, dep_path): dependencies = [] for line in open(dep_path).readlines()[1:]: file = line.replace('\\\n', '').strip() if file: # GCC might list more than one dependency on a single line, in this case # the dependencies are separated by a space. However, a space might also # indicate an actual space character in a dependency path, but in this case # the space character is prefixed by a backslash. # Temporary replace all '\ ' with a special char that is not used (\a in this # case) to keep them from being interpreted by 'split' (they will be converted # back later to a space char) file = file.replace('\\ ', '\a') if file.find(" ") == -1: dependencies.append(file.replace('\a', ' ')) else: dependencies = dependencies + [f.replace('\a', ' ') for f in file.split(" ")] return dependencies def is_not_supported_error(self, output): return "error: #error [NOT_SUPPORTED]" in output def parse_output(self, output): # The warning/error notification is multiline WHERE, WHAT = 0, 1 state, file, message = WHERE, None, None for line in output.splitlines(): match = self.goanna_parse_line(line) if match is not None: self.cc_info( match.group('severity').lower(), match.group('file'), match.group('line'), match.group('message'), target_name=self.target.name, toolchain_name=self.name ) continue # Each line should start with the file information: "filepath: ..." # i should point past the file path ^ # avoid the first column in Windows (C:\) i = line.find(':', 2) if i == -1: continue if state == WHERE: file = line[:i] message = line[i+1:].strip() + ' ' state = WHAT elif state == WHAT: match = GCC.DIAGNOSTIC_PATTERN.match(line[i+1:]) if match is None: state = WHERE continue self.cc_info( match.group('severity'), file, match.group('line'), message + match.group('message') ) def archive(self, objects, lib_path): self.default_cmd([self.ar, "rcs", lib_path] + objects) def link(self, output, objects, libraries, lib_dirs, mem_map): libs = [] for l in libraries: name, _ = splitext(basename(l)) libs.append("-l%s" % name[3:]) libs.extend(["-l%s" % l for l in self.sys_libs]) self.default_cmd(self.hook.get_cmdline_linker(self.ld + ["-T%s" % mem_map, "-o", output] + objects + ["-L%s" % L for L in lib_dirs] + ["-Wl,--start-group"] + libs + ["-Wl,--end-group"])) @hook_tool def binary(self, resources, elf, bin): self.default_cmd(self.hook.get_cmdline_binary([self.elf2bin, "-O", "binary", elf, bin])) class GCC_ARM(GCC): def __init__(self, target, options=None, notify=None, macros=None, silent=False, extra_verbose=False): GCC.__init__(self, target, options, notify, macros, silent, GCC_ARM_PATH, extra_verbose=extra_verbose) # Use latest gcc nanolib if "thread-safe" not in self.options: self.ld.append("--specs=nano.specs") if target.name in ["LPC1768", "LPC4088", "LPC4088_DM", "LPC4330", "UBLOX_C027", "LPC2368"]: self.ld.extend(["-u _printf_float", "-u _scanf_float"]) elif target.name in ["RZ_A1H", "VK_RZ_A1H", "ARCH_MAX", "DISCO_F407VG", "DISCO_F429ZI", "DISCO_F469NI", "NUCLEO_F401RE", "NUCLEO_F410RB", "NUCLEO_F411RE", "NUCLEO_F446RE", "ELMO_F411RE", "MTS_MDOT_F411RE", "MTS_DRAGONFLY_F411RE", "DISCO_F746NG"]: self.ld.extend(["-u_printf_float", "-u_scanf_float"]) self.sys_libs.append("nosys") class GCC_CR(GCC): def __init__(self, target, options=None, notify=None, macros=None, silent=False, extra_verbose=False): GCC.__init__(self, target, options, notify, macros, silent, GCC_CR_PATH, extra_verbose=extra_verbose) additional_compiler_flags = [ "-D__NEWLIB__", "-D__CODE_RED", "-D__USE_CMSIS", "-DCPP_USE_HEAP", ] self.cc += additional_compiler_flags self.cppc += additional_compiler_flags # Use latest gcc nanolib self.ld.append("--specs=nano.specs") if target.name in ["LPC1768", "LPC4088", "LPC4088_DM", "LPC4330", "UBLOX_C027", "LPC2368"]: self.ld.extend(["-u _printf_float", "-u _scanf_float"]) self.ld += ["-nostdlib"]