Diff: toolchains/gcc.py

Revision:

0:4a2e5f0422d6

Child:

2:5f044fef8f98

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/toolchains/gcc.py	Wed Mar 30 16:23:44 2016 +0000
@@ -0,0 +1,218 @@
+"""
+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"
+    CIRCULAR_DEPENDENCIES = True
+    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])
+
+        # NOTE: There is a circular dependency between the mbed library and the clib
+        # We could define a set of week symbols to satisfy the clib dependencies in "sys.o",
+        # but if an application uses only clib symbols and not mbed symbols, then the final
+        # image is not correctly retargeted
+        if self.CIRCULAR_DEPENDENCIES:
+            libs.extend(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] + libs))
+
+    @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", "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"]
+