Alessandro Angelino / mbed-tools

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toolchains/gcc.py@12:fd03da96c01a, 2016-04-05 (annotated)

Committer:
Alessandro Angelino
Date:
Tue Apr 05 17:23:39 2016 +0100
Revision:
12:fd03da96c01a
Parent:
2:5f044fef8f98 
Disable the FPU only if UVISOR_PRESENT=1 is defined

Who changed what in which revision?

UserRevisionLine numberNew contents of line
screamer 0:4a2e5f0422d6 1 """
screamer 0:4a2e5f0422d6 2 mbed SDK
screamer 0:4a2e5f0422d6 3 Copyright (c) 2011-2013 ARM Limited
screamer 0:4a2e5f0422d6 4
screamer 0:4a2e5f0422d6 5 Licensed under the Apache License, Version 2.0 (the "License");
screamer 0:4a2e5f0422d6 6 you may not use this file except in compliance with the License.
screamer 0:4a2e5f0422d6 7 You may obtain a copy of the License at
screamer 0:4a2e5f0422d6 8
screamer 0:4a2e5f0422d6 9 http://www.apache.org/licenses/LICENSE-2.0
screamer 0:4a2e5f0422d6 10
screamer 0:4a2e5f0422d6 11 Unless required by applicable law or agreed to in writing, software
screamer 0:4a2e5f0422d6 12 distributed under the License is distributed on an "AS IS" BASIS,
screamer 0:4a2e5f0422d6 13 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
screamer 0:4a2e5f0422d6 14 See the License for the specific language governing permissions and
screamer 0:4a2e5f0422d6 15 limitations under the License.
screamer 0:4a2e5f0422d6 16 """
screamer 0:4a2e5f0422d6 17 import re
screamer 0:4a2e5f0422d6 18 from os.path import join, basename, splitext
screamer 0:4a2e5f0422d6 19
screamer 2:5f044fef8f98 20 from tools.toolchains import mbedToolchain
screamer 2:5f044fef8f98 21 from tools.settings import GCC_ARM_PATH, GCC_CR_PATH
screamer 2:5f044fef8f98 22 from tools.settings import GOANNA_PATH
screamer 2:5f044fef8f98 23 from tools.hooks import hook_tool
screamer 0:4a2e5f0422d6 24
screamer 0:4a2e5f0422d6 25 class GCC(mbedToolchain):
screamer 0:4a2e5f0422d6 26 LINKER_EXT = '.ld'
screamer 0:4a2e5f0422d6 27 LIBRARY_EXT = '.a'
screamer 0:4a2e5f0422d6 28
screamer 0:4a2e5f0422d6 29 STD_LIB_NAME = "lib%s.a"
screamer 0:4a2e5f0422d6 30 CIRCULAR_DEPENDENCIES = True
screamer 0:4a2e5f0422d6 31 DIAGNOSTIC_PATTERN = re.compile('((?P<line>\d+):)(\d+:)? (?P<severity>warning|error): (?P<message>.+)')
screamer 0:4a2e5f0422d6 32
screamer 0:4a2e5f0422d6 33 def __init__(self, target, options=None, notify=None, macros=None, silent=False, tool_path="", extra_verbose=False):
screamer 0:4a2e5f0422d6 34 mbedToolchain.__init__(self, target, options, notify, macros, silent, extra_verbose=extra_verbose)
screamer 0:4a2e5f0422d6 35
screamer 0:4a2e5f0422d6 36 if target.core == "Cortex-M0+":
screamer 0:4a2e5f0422d6 37 cpu = "cortex-m0plus"
screamer 0:4a2e5f0422d6 38 elif target.core == "Cortex-M4F":
screamer 0:4a2e5f0422d6 39 cpu = "cortex-m4"
screamer 0:4a2e5f0422d6 40 elif target.core == "Cortex-M7F":
screamer 0:4a2e5f0422d6 41 cpu = "cortex-m7"
screamer 0:4a2e5f0422d6 42 else:
screamer 0:4a2e5f0422d6 43 cpu = target.core.lower()
screamer 0:4a2e5f0422d6 44
screamer 0:4a2e5f0422d6 45 self.cpu = ["-mcpu=%s" % cpu]
screamer 0:4a2e5f0422d6 46 if target.core.startswith("Cortex"):
screamer 0:4a2e5f0422d6 47 self.cpu.append("-mthumb")
screamer 0:4a2e5f0422d6 48
Alessandro Angelino 12:fd03da96c01a 49 if target.core == "Cortex-M4F" and "UVISOR_PRESENT=1" not in self.get_symbols():
screamer 0:4a2e5f0422d6 50 self.cpu.append("-mfpu=fpv4-sp-d16")
screamer 0:4a2e5f0422d6 51 self.cpu.append("-mfloat-abi=softfp")
screamer 0:4a2e5f0422d6 52 elif target.core == "Cortex-M7F":
screamer 0:4a2e5f0422d6 53 self.cpu.append("-mfpu=fpv5-d16")
screamer 0:4a2e5f0422d6 54 self.cpu.append("-mfloat-abi=softfp")
screamer 0:4a2e5f0422d6 55
screamer 0:4a2e5f0422d6 56 if target.core == "Cortex-A9":
screamer 0:4a2e5f0422d6 57 self.cpu.append("-mthumb-interwork")
screamer 0:4a2e5f0422d6 58 self.cpu.append("-marm")
screamer 0:4a2e5f0422d6 59 self.cpu.append("-march=armv7-a")
screamer 0:4a2e5f0422d6 60 self.cpu.append("-mfpu=vfpv3")
screamer 0:4a2e5f0422d6 61 self.cpu.append("-mfloat-abi=hard")
screamer 0:4a2e5f0422d6 62 self.cpu.append("-mno-unaligned-access")
screamer 0:4a2e5f0422d6 63
screamer 0:4a2e5f0422d6 64
screamer 0:4a2e5f0422d6 65 # Note: We are using "-O2" instead of "-Os" to avoid this known GCC bug:
screamer 0:4a2e5f0422d6 66 # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46762
screamer 0:4a2e5f0422d6 67 common_flags = ["-c", "-Wall", "-Wextra",
screamer 0:4a2e5f0422d6 68 "-Wno-unused-parameter", "-Wno-missing-field-initializers",
screamer 0:4a2e5f0422d6 69 "-fmessage-length=0", "-fno-exceptions", "-fno-builtin",
screamer 0:4a2e5f0422d6 70 "-ffunction-sections", "-fdata-sections",
screamer 0:4a2e5f0422d6 71 "-MMD", "-fno-delete-null-pointer-checks", "-fomit-frame-pointer"
screamer 0:4a2e5f0422d6 72 ] + self.cpu
screamer 0:4a2e5f0422d6 73
screamer 0:4a2e5f0422d6 74 if "save-asm" in self.options:
screamer 0:4a2e5f0422d6 75 common_flags.append("-save-temps")
screamer 0:4a2e5f0422d6 76
screamer 0:4a2e5f0422d6 77 if "debug-info" in self.options:
screamer 0:4a2e5f0422d6 78 common_flags.append("-g")
screamer 0:4a2e5f0422d6 79 common_flags.append("-O0")
screamer 0:4a2e5f0422d6 80 else:
screamer 0:4a2e5f0422d6 81 common_flags.append("-O2")
screamer 0:4a2e5f0422d6 82
screamer 0:4a2e5f0422d6 83 main_cc = join(tool_path, "arm-none-eabi-gcc")
screamer 0:4a2e5f0422d6 84 main_cppc = join(tool_path, "arm-none-eabi-g++")
screamer 0:4a2e5f0422d6 85 self.asm = [main_cc, "-x", "assembler-with-cpp"] + common_flags
screamer 0:4a2e5f0422d6 86 if not "analyze" in self.options:
screamer 0:4a2e5f0422d6 87 self.cc = [main_cc, "-std=gnu99"] + common_flags
screamer 0:4a2e5f0422d6 88 self.cppc =[main_cppc, "-std=gnu++98", "-fno-rtti"] + common_flags
screamer 0:4a2e5f0422d6 89 else:
screamer 0:4a2e5f0422d6 90 self.cc = [join(GOANNA_PATH, "goannacc"), "--with-cc=" + main_cc.replace('\\', '/'), "-std=gnu99", "--dialect=gnu", '--output-format="%s"' % self.GOANNA_FORMAT] + common_flags
screamer 0:4a2e5f0422d6 91 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
screamer 0:4a2e5f0422d6 92
screamer 0:4a2e5f0422d6 93 self.ld = [join(tool_path, "arm-none-eabi-gcc"), "-Wl,--gc-sections", "-Wl,--wrap,main"] + self.cpu
screamer 0:4a2e5f0422d6 94 self.sys_libs = ["stdc++", "supc++", "m", "c", "gcc"]
screamer 0:4a2e5f0422d6 95
screamer 0:4a2e5f0422d6 96 self.ar = join(tool_path, "arm-none-eabi-ar")
screamer 0:4a2e5f0422d6 97 self.elf2bin = join(tool_path, "arm-none-eabi-objcopy")
screamer 0:4a2e5f0422d6 98
screamer 0:4a2e5f0422d6 99 def assemble(self, source, object, includes):
screamer 0:4a2e5f0422d6 100 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])]
screamer 0:4a2e5f0422d6 101
screamer 0:4a2e5f0422d6 102 def parse_dependencies(self, dep_path):
screamer 0:4a2e5f0422d6 103 dependencies = []
screamer 0:4a2e5f0422d6 104 for line in open(dep_path).readlines()[1:]:
screamer 0:4a2e5f0422d6 105 file = line.replace('\\\n', '').strip()
screamer 0:4a2e5f0422d6 106 if file:
screamer 0:4a2e5f0422d6 107 # GCC might list more than one dependency on a single line, in this case
screamer 0:4a2e5f0422d6 108 # the dependencies are separated by a space. However, a space might also
screamer 0:4a2e5f0422d6 109 # indicate an actual space character in a dependency path, but in this case
screamer 0:4a2e5f0422d6 110 # the space character is prefixed by a backslash.
screamer 0:4a2e5f0422d6 111 # Temporary replace all '\ ' with a special char that is not used (\a in this
screamer 0:4a2e5f0422d6 112 # case) to keep them from being interpreted by 'split' (they will be converted
screamer 0:4a2e5f0422d6 113 # back later to a space char)
screamer 0:4a2e5f0422d6 114 file = file.replace('\\ ', '\a')
screamer 0:4a2e5f0422d6 115 if file.find(" ") == -1:
screamer 0:4a2e5f0422d6 116 dependencies.append(file.replace('\a', ' '))
screamer 0:4a2e5f0422d6 117 else:
screamer 0:4a2e5f0422d6 118 dependencies = dependencies + [f.replace('\a', ' ') for f in file.split(" ")]
screamer 0:4a2e5f0422d6 119 return dependencies
screamer 0:4a2e5f0422d6 120
screamer 0:4a2e5f0422d6 121 def is_not_supported_error(self, output):
screamer 0:4a2e5f0422d6 122 return "error: #error [NOT_SUPPORTED]" in output
screamer 0:4a2e5f0422d6 123
screamer 0:4a2e5f0422d6 124 def parse_output(self, output):
screamer 0:4a2e5f0422d6 125 # The warning/error notification is multiline
screamer 0:4a2e5f0422d6 126 WHERE, WHAT = 0, 1
screamer 0:4a2e5f0422d6 127 state, file, message = WHERE, None, None
screamer 0:4a2e5f0422d6 128 for line in output.splitlines():
screamer 0:4a2e5f0422d6 129 match = self.goanna_parse_line(line)
screamer 0:4a2e5f0422d6 130 if match is not None:
screamer 0:4a2e5f0422d6 131 self.cc_info(
screamer 0:4a2e5f0422d6 132 match.group('severity').lower(),
screamer 0:4a2e5f0422d6 133 match.group('file'),
screamer 0:4a2e5f0422d6 134 match.group('line'),
screamer 0:4a2e5f0422d6 135 match.group('message'),
screamer 0:4a2e5f0422d6 136 target_name=self.target.name,
screamer 0:4a2e5f0422d6 137 toolchain_name=self.name
screamer 0:4a2e5f0422d6 138 )
screamer 0:4a2e5f0422d6 139 continue
screamer 0:4a2e5f0422d6 140
screamer 0:4a2e5f0422d6 141 # Each line should start with the file information: "filepath: ..."
screamer 0:4a2e5f0422d6 142 # i should point past the file path ^
screamer 0:4a2e5f0422d6 143 # avoid the first column in Windows (C:\)
screamer 0:4a2e5f0422d6 144 i = line.find(':', 2)
screamer 0:4a2e5f0422d6 145 if i == -1: continue
screamer 0:4a2e5f0422d6 146
screamer 0:4a2e5f0422d6 147 if state == WHERE:
screamer 0:4a2e5f0422d6 148 file = line[:i]
screamer 0:4a2e5f0422d6 149 message = line[i+1:].strip() + ' '
screamer 0:4a2e5f0422d6 150 state = WHAT
screamer 0:4a2e5f0422d6 151
screamer 0:4a2e5f0422d6 152 elif state == WHAT:
screamer 0:4a2e5f0422d6 153 match = GCC.DIAGNOSTIC_PATTERN.match(line[i+1:])
screamer 0:4a2e5f0422d6 154 if match is None:
screamer 0:4a2e5f0422d6 155 state = WHERE
screamer 0:4a2e5f0422d6 156 continue
screamer 0:4a2e5f0422d6 157
screamer 0:4a2e5f0422d6 158 self.cc_info(
screamer 0:4a2e5f0422d6 159 match.group('severity'),
screamer 0:4a2e5f0422d6 160 file, match.group('line'),
screamer 0:4a2e5f0422d6 161 message + match.group('message')
screamer 0:4a2e5f0422d6 162 )
screamer 0:4a2e5f0422d6 163
screamer 0:4a2e5f0422d6 164 def archive(self, objects, lib_path):
screamer 0:4a2e5f0422d6 165 self.default_cmd([self.ar, "rcs", lib_path] + objects)
screamer 0:4a2e5f0422d6 166
screamer 0:4a2e5f0422d6 167 def link(self, output, objects, libraries, lib_dirs, mem_map):
screamer 0:4a2e5f0422d6 168 libs = []
screamer 0:4a2e5f0422d6 169 for l in libraries:
screamer 0:4a2e5f0422d6 170 name, _ = splitext(basename(l))
screamer 0:4a2e5f0422d6 171 libs.append("-l%s" % name[3:])
screamer 0:4a2e5f0422d6 172 libs.extend(["-l%s" % l for l in self.sys_libs])
screamer 0:4a2e5f0422d6 173
screamer 0:4a2e5f0422d6 174 # NOTE: There is a circular dependency between the mbed library and the clib
screamer 0:4a2e5f0422d6 175 # We could define a set of week symbols to satisfy the clib dependencies in "sys.o",
screamer 0:4a2e5f0422d6 176 # but if an application uses only clib symbols and not mbed symbols, then the final
screamer 0:4a2e5f0422d6 177 # image is not correctly retargeted
screamer 0:4a2e5f0422d6 178 if self.CIRCULAR_DEPENDENCIES:
screamer 0:4a2e5f0422d6 179 libs.extend(libs)
screamer 0:4a2e5f0422d6 180
screamer 0:4a2e5f0422d6 181 self.default_cmd(self.hook.get_cmdline_linker(self.ld + ["-T%s" % mem_map, "-o", output] +
screamer 0:4a2e5f0422d6 182 objects + ["-L%s" % L for L in lib_dirs] + libs))
screamer 0:4a2e5f0422d6 183
screamer 0:4a2e5f0422d6 184 @hook_tool
screamer 0:4a2e5f0422d6 185 def binary(self, resources, elf, bin):
screamer 0:4a2e5f0422d6 186 self.default_cmd(self.hook.get_cmdline_binary([self.elf2bin, "-O", "binary", elf, bin]))
screamer 0:4a2e5f0422d6 187
screamer 0:4a2e5f0422d6 188
screamer 0:4a2e5f0422d6 189 class GCC_ARM(GCC):
screamer 0:4a2e5f0422d6 190 def __init__(self, target, options=None, notify=None, macros=None, silent=False, extra_verbose=False):
screamer 0:4a2e5f0422d6 191 GCC.__init__(self, target, options, notify, macros, silent, GCC_ARM_PATH, extra_verbose=extra_verbose)
screamer 0:4a2e5f0422d6 192
screamer 0:4a2e5f0422d6 193 # Use latest gcc nanolib
screamer 0:4a2e5f0422d6 194 self.ld.append("--specs=nano.specs")
screamer 0:4a2e5f0422d6 195 if target.name in ["LPC1768", "LPC4088", "LPC4088_DM", "LPC4330", "UBLOX_C027", "LPC2368"]:
screamer 0:4a2e5f0422d6 196 self.ld.extend(["-u _printf_float", "-u _scanf_float"])
screamer 0:4a2e5f0422d6 197 elif target.name in ["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"]:
screamer 0:4a2e5f0422d6 198 self.ld.extend(["-u_printf_float", "-u_scanf_float"])
screamer 0:4a2e5f0422d6 199
screamer 0:4a2e5f0422d6 200 self.sys_libs.append("nosys")
screamer 0:4a2e5f0422d6 201
screamer 0:4a2e5f0422d6 202
screamer 0:4a2e5f0422d6 203 class GCC_CR(GCC):
screamer 0:4a2e5f0422d6 204 def __init__(self, target, options=None, notify=None, macros=None, silent=False, extra_verbose=False):
screamer 0:4a2e5f0422d6 205 GCC.__init__(self, target, options, notify, macros, silent, GCC_CR_PATH, extra_verbose=extra_verbose)
screamer 0:4a2e5f0422d6 206
screamer 0:4a2e5f0422d6 207 additional_compiler_flags = [
screamer 0:4a2e5f0422d6 208 "-D__NEWLIB__", "-D__CODE_RED", "-D__USE_CMSIS", "-DCPP_USE_HEAP",
screamer 0:4a2e5f0422d6 209 ]
screamer 0:4a2e5f0422d6 210 self.cc += additional_compiler_flags
screamer 0:4a2e5f0422d6 211 self.cppc += additional_compiler_flags
screamer 0:4a2e5f0422d6 212
screamer 0:4a2e5f0422d6 213 # Use latest gcc nanolib
screamer 0:4a2e5f0422d6 214 self.ld.append("--specs=nano.specs")
screamer 0:4a2e5f0422d6 215 if target.name in ["LPC1768", "LPC4088", "LPC4088_DM", "LPC4330", "UBLOX_C027", "LPC2368"]:
screamer 0:4a2e5f0422d6 216 self.ld.extend(["-u _printf_float", "-u _scanf_float"])
screamer 0:4a2e5f0422d6 217 self.ld += ["-nostdlib"]
screamer 0:4a2e5f0422d6 218