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mbed-os/workspace_tools/toolchains/gcc.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.
"""
import re
from os.path import join, basename, splitext
from workspace_tools.toolchains import mbedToolchain
from workspace_tools.settings import GCC_ARM_PATH, GCC_CR_PATH
from workspace_tools.settings import GOANNA_PATH
from workspace_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
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"]
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