Diff: tools/toolchains/arm.py

Revision:

0:b74591d5ab33

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tools/toolchains/arm.py	Mon Dec 11 17:54:04 2017 +0000
@@ -0,0 +1,398 @@
+"""
+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 copy import copy
+from os.path import join, dirname, splitext, basename, exists
+from os import makedirs, write
+from tempfile import mkstemp
+
+from tools.toolchains import mbedToolchain, TOOLCHAIN_PATHS
+from tools.hooks import hook_tool
+from tools.utils import mkdir, NotSupportedException
+
+class ARM(mbedToolchain):
+    LINKER_EXT = '.sct'
+    LIBRARY_EXT = '.ar'
+
+    STD_LIB_NAME = "%s.ar"
+    DIAGNOSTIC_PATTERN  = re.compile('"(?P<file>[^"]+)", line (?P<line>\d+)( \(column (?P<column>\d+)\)|): (?P<severity>Warning|Error|Fatal error): (?P<message>.+)')
+    INDEX_PATTERN  = re.compile('(?P<col>\s*)\^')
+    DEP_PATTERN = re.compile('\S+:\s(?P<file>.+)\n')
+    SHEBANG = "#! armcc -E"
+    SUPPORTED_CORES = ["Cortex-M0", "Cortex-M0+", "Cortex-M3", "Cortex-M4",
+                       "Cortex-M4F", "Cortex-M7", "Cortex-M7F", "Cortex-M7FD"]
+
+    @staticmethod
+    def check_executable():
+        """Returns True if the executable (armcc) location specified by the
+         user exists OR the executable can be found on the PATH.
+         Returns False otherwise."""
+        return mbedToolchain.generic_check_executable("ARM", 'armcc', 2, 'bin')
+
+    def __init__(self, target, notify=None, macros=None,
+                 silent=False, extra_verbose=False, build_profile=None,
+                 build_dir=None):
+        mbedToolchain.__init__(self, target, notify, macros, silent,
+                               build_dir=build_dir,
+                               extra_verbose=extra_verbose,
+                               build_profile=build_profile)
+        if target.core not in self.SUPPORTED_CORES:
+            raise NotSupportedException(
+                "this compiler does not support the core %s" % target.core)
+
+        if target.core == "Cortex-M0+":
+            cpu = "Cortex-M0"
+        elif target.core == "Cortex-M4F":
+            cpu = "Cortex-M4.fp"
+        elif target.core == "Cortex-M7FD":
+            cpu = "Cortex-M7.fp.dp"
+        elif target.core == "Cortex-M7F":
+            cpu = "Cortex-M7.fp.sp"
+        else:
+            cpu = target.core
+
+        ARM_BIN = join(TOOLCHAIN_PATHS['ARM'], "bin")
+        ARM_INC = join(TOOLCHAIN_PATHS['ARM'], "include")
+        
+        main_cc = join(ARM_BIN, "armcc")
+
+        self.flags['common'] += ["--cpu=%s" % cpu]
+
+        self.asm = [main_cc] + self.flags['common'] + self.flags['asm']
+        self.cc = [main_cc] + self.flags['common'] + self.flags['c']
+        self.cppc = [main_cc] + self.flags['common'] + self.flags['c'] + self.flags['cxx']
+
+        self.ld = [join(ARM_BIN, "armlink")] + self.flags['ld']
+
+        self.ar = join(ARM_BIN, "armar")
+        self.elf2bin = join(ARM_BIN, "fromelf")
+
+    def parse_dependencies(self, dep_path):
+        dependencies = []
+        for line in open(dep_path).readlines():
+            match = ARM.DEP_PATTERN.match(line)
+            if match is not None:
+                #we need to append chroot, because when the .d files are generated the compiler is chrooted
+                dependencies.append((self.CHROOT if self.CHROOT else '') + match.group('file'))
+        return dependencies
+
+    def parse_output(self, output):
+        msg = None
+        for line in output.splitlines():
+            match = ARM.DIAGNOSTIC_PATTERN.match(line)
+            if match is not None:
+                if msg is not None:
+                    self.cc_info(msg)
+                    msg = None
+                msg = {
+                    'severity': match.group('severity').lower(),
+                    'file': match.group('file'),
+                    'line': match.group('line'),
+                    'col': match.group('column') if match.group('column') else 0,
+                    'message': match.group('message'),
+                    'text': '',
+                    'target_name': self.target.name,
+                    'toolchain_name': self.name
+                }
+            elif msg is not None:
+                # Determine the warning/error column by calculating the ^ position
+                match = ARM.INDEX_PATTERN.match(line)
+                if match is not None:
+                    msg['col'] = len(match.group('col'))
+                    self.cc_info(msg)
+                    msg = None
+                else:
+                    msg['text'] += line+"\n"
+        
+        if msg is not None:
+            self.cc_info(msg)
+
+    def get_dep_option(self, object):
+        base, _ = splitext(object)
+        dep_path = base + '.d'
+        return ["--depend", dep_path]
+
+    def get_config_option(self, config_header):
+        return ['--preinclude=' + config_header]
+
+    def get_compile_options(self, defines, includes, for_asm=False):        
+        opts = ['-D%s' % d for d in defines]
+        if self.RESPONSE_FILES:
+            opts += ['--via', self.get_inc_file(includes)]
+        else:
+            opts += ["-I%s" % i for i in includes]
+
+        if not for_asm:
+            config_header = self.get_config_header()
+            if config_header is not None:
+                opts = opts + self.get_config_option(config_header)
+        return opts
+
+    @hook_tool
+    def assemble(self, source, object, includes):
+        # Preprocess first, then assemble
+        dir = join(dirname(object), '.temp')
+        mkdir(dir)
+        tempfile = join(dir, basename(object) + '.E.s')
+        
+        # Build preprocess assemble command
+        cmd_pre = self.asm + self.get_compile_options(self.get_symbols(True), includes) + ["-E", "-o", tempfile, source]
+
+        # Build main assemble command
+        cmd = self.asm + ["-o", object, tempfile]
+
+        # Call cmdline hook
+        cmd_pre = self.hook.get_cmdline_assembler(cmd_pre)
+        cmd = self.hook.get_cmdline_assembler(cmd)
+       
+        # Return command array, don't execute
+        return [cmd_pre, cmd]
+
+    @hook_tool
+    def compile(self, cc, source, object, includes):
+        # Build compile command
+        cmd = cc + self.get_compile_options(self.get_symbols(), includes)
+        
+        cmd.extend(self.get_dep_option(object))
+            
+        cmd.extend(["-o", object, source])
+
+        # Call cmdline hook
+        cmd = self.hook.get_cmdline_compiler(cmd)
+
+        return [cmd]
+
+    def compile_c(self, source, object, includes):
+        return self.compile(self.cc, source, object, includes)
+
+    def compile_cpp(self, source, object, includes):
+        return self.compile(self.cppc, source, object, includes)
+
+    def correct_scatter_shebang(self, scatter_file):
+        """Correct the shebang at the top of a scatter file.
+
+        Positional arguments:
+        scatter_file -- the scatter file to correct
+
+        Return:
+        The location of the correct scatter file
+
+        Side Effects:
+        This method MAY write a new scatter file to disk
+        """
+        with open(scatter_file, "rb") as input:
+            lines = input.readlines()
+            if  (lines[0].startswith(self.SHEBANG) or
+                 not lines[0].startswith("#!")):
+                return scatter_file
+            else:
+                new_scatter = join(self.build_dir, ".link_script.sct")
+                if self.need_update(new_scatter, [scatter_file]):
+                    with open(new_scatter, "wb") as out:
+                        out.write(self.SHEBANG)
+                        out.write("\n")
+                        out.write("".join(lines[1:]))
+                return new_scatter
+
+    @hook_tool
+    def link(self, output, objects, libraries, lib_dirs, scatter_file):
+        base, _ = splitext(output)
+        map_file = base + ".map"
+        args = ["-o", output, "--info=totals", "--map", "--list=%s" % map_file]
+        args.extend(objects)
+        args.extend(libraries)
+        if lib_dirs:
+            args.extend(["--userlibpath", ",".join(lib_dirs)])
+        if scatter_file:
+            new_scatter = self.correct_scatter_shebang(scatter_file)
+            args.extend(["--scatter", new_scatter])
+
+        cmd_pre = self.ld + args
+        cmd = self.hook.get_cmdline_linker(cmd_pre)
+
+        if self.RESPONSE_FILES:
+            cmd_linker = cmd[0]
+            link_files = self.get_link_file(cmd[1:])
+            cmd = [cmd_linker, '--via', link_files]
+
+        self.cc_verbose("Link: %s" % ' '.join(cmd))
+        self.default_cmd(cmd)
+
+    @hook_tool
+    def archive(self, objects, lib_path):
+        if self.RESPONSE_FILES:
+            param = ['--via', self.get_arch_file(objects)]
+        else:
+            param = objects
+        self.default_cmd([self.ar, '-r', lib_path] + param)
+
+    @hook_tool
+    def binary(self, resources, elf, bin):
+        _, fmt = splitext(bin)
+        bin_arg = {".bin": "--bin", ".hex": "--i32"}[fmt]
+        cmd = [self.elf2bin, bin_arg, '-o', bin, elf]
+        cmd = self.hook.get_cmdline_binary(cmd)
+        self.cc_verbose("FromELF: %s" % ' '.join(cmd))
+        self.default_cmd(cmd)
+
+    @staticmethod
+    def name_mangle(name):
+        return "_Z%i%sv" % (len(name), name)
+
+    @staticmethod
+    def make_ld_define(name, value):
+        return "--predefine=\"-D%s=0x%x\"" % (name, value)
+
+    @staticmethod
+    def redirect_symbol(source, sync, build_dir):
+        if not exists(build_dir):
+            makedirs(build_dir)
+        handle, filename = mkstemp(prefix=".redirect-symbol.", dir=build_dir)
+        write(handle, "RESOLVE %s AS %s\n" % (source, sync))
+        return "--edit=%s" % filename
+
+
+class ARM_STD(ARM):
+    def __init__(self, target, notify=None, macros=None,
+                 silent=False, extra_verbose=False, build_profile=None,
+                 build_dir=None):
+        ARM.__init__(self, target, notify, macros, silent,
+                     build_dir=build_dir, extra_verbose=extra_verbose,
+                     build_profile=build_profile)
+        if "ARM" not in target.supported_toolchains:
+            raise NotSupportedException("ARM compiler support is required for ARM build")
+
+
+class ARM_MICRO(ARM):
+    PATCHED_LIBRARY = False
+    def __init__(self, target, notify=None, macros=None,
+                 silent=False, extra_verbose=False, build_profile=None,
+                 build_dir=None):
+        ARM.__init__(self, target, notify, macros, silent,
+                     build_dir=build_dir, extra_verbose=extra_verbose,
+                     build_profile=build_profile)
+        if not set(("ARM", "uARM")).intersection(set(target.supported_toolchains)):
+            raise NotSupportedException("ARM/uARM compiler support is required for ARM build")
+
+class ARMC6(ARM_STD):
+    SHEBANG = "#! armclang -E --target=arm-arm-none-eabi -x c"
+    SUPPORTED_CORES = ["Cortex-M0", "Cortex-M0+", "Cortex-M3", "Cortex-M4",
+                       "Cortex-M4F", "Cortex-M7", "Cortex-M7F", "Cortex-M7FD",
+                       "Cortex-M23", "Cortex-M23-NS", "Cortex-M33",
+                       "CortexM33-NS"]
+    @staticmethod
+    def check_executable():
+        return mbedToolchain.generic_check_executable("ARMC6", "armclang", 1)
+
+    def __init__(self, target, *args, **kwargs):
+        mbedToolchain.__init__(self, target, *args, **kwargs)
+        if target.core not in self.SUPPORTED_CORES:
+            raise NotSupportedException(
+                "this compiler does not support the core %s" % target.core)
+
+        if not set(("ARM", "ARMC6")).intersection(set(target.supported_toolchains)):
+            raise NotSupportedException("ARM/ARMC6 compiler support is required for ARMC6 build")
+
+        if target.core.lower().endswith("fd"):
+            self.flags['common'].append("-mcpu=%s" % target.core.lower()[:-2])
+            self.flags['ld'].append("--cpu=%s" % target.core.lower()[:-2])
+        elif target.core.lower().endswith("f"):
+            self.flags['common'].append("-mcpu=%s" % target.core.lower()[:-1])
+            self.flags['ld'].append("--cpu=%s" % target.core.lower()[:-1])
+        elif target.core.lower().endswith("ns"):
+            self.flags['common'].append("-mcpu=%s" % target.core.lower()[:-3])
+            self.flags['ld'].append("--cpu=%s" % target.core.lower()[:-3])
+        else:
+            self.flags['common'].append("-mcpu=%s" % target.core.lower())
+            self.flags['ld'].append("--cpu=%s" % target.core.lower())
+
+        if target.core == "Cortex-M4F":
+            self.flags['common'].append("-mfpu=fpv4-sp-d16")
+            self.flags['common'].append("-mfloat-abi=hard")
+        elif target.core == "Cortex-M7F":
+            self.flags['common'].append("-mfpu=fpv5-sp-d16")
+            self.flags['common'].append("-mfloat-abi=softfp")
+        elif target.core == "Cortex-M7FD":
+            self.flags['common'].append("-mfpu=fpv5-d16")
+            self.flags['common'].append("-mfloat-abi=softfp")
+        elif target.core.startswith("Cortex-M23"):
+            self.flags['common'].append("-march=armv8-m.base")
+        elif target.core.startswith("Cortex-M33"):
+            self.flags['common'].append("-march=armv8-m.main")
+
+        if target.core == "Cortex-M23" or target.core == "Cortex-M33":
+            self.flags['common'].append("-mcmse")
+
+        asm_cpu = {
+            "Cortex-M0+": "Cortex-M0",
+            "Cortex-M4F": "Cortex-M4.fp",
+            "Cortex-M7F": "Cortex-M7.fp.sp",
+            "Cortex-M7FD": "Cortex-M7.fp.dp",
+            "Cortex-M23-NS": "Cortex-M23",
+            "Cortex-M33-NS": "Cortex-M33" }.get(target.core, target.core)
+
+        self.flags['asm'].append("--cpu=%s" % asm_cpu)
+
+        self.cc = ([join(TOOLCHAIN_PATHS["ARMC6"], "armclang")] +
+                   self.flags['common'] + self.flags['c'])
+        self.cppc = ([join(TOOLCHAIN_PATHS["ARMC6"], "armclang")] +
+                     self.flags['common'] + self.flags['cxx'])
+        self.asm = [join(TOOLCHAIN_PATHS["ARMC6"], "armasm")] + self.flags['asm']
+        self.ld = [join(TOOLCHAIN_PATHS["ARMC6"], "armlink")] + self.flags['ld']
+        self.ar = [join(TOOLCHAIN_PATHS["ARMC6"], "armar")]
+        self.elf2bin = join(TOOLCHAIN_PATHS["ARMC6"], "fromelf")
+
+
+    def parse_dependencies(self, dep_path):
+        return mbedToolchain.parse_dependencies(self, dep_path)
+
+    def is_not_supported_error(self, output):
+        return "#error [NOT_SUPPORTED]" in output
+
+    def parse_output(self, output):
+        pass
+
+    def get_config_option(self, config_header):
+        return ["-include", config_header]
+
+    def get_compile_options(self, defines, includes, for_asm=False):
+        opts = ['-D%s' % d for d in defines]
+        opts.extend(["-I%s" % i for i in includes])
+        if for_asm:
+            return ["--cpreproc",
+                    "--cpreproc_opts=%s" % ",".join(self.flags['common'] + opts)]
+        else:
+            config_header = self.get_config_header()
+            if config_header:
+                opts.extend(self.get_config_option(config_header))
+            return opts
+
+    @hook_tool
+    def assemble(self, source, object, includes):
+        cmd_pre = copy(self.asm)
+        cmd_pre.extend(self.get_compile_options(
+            self.get_symbols(True), includes, for_asm=True))
+        cmd_pre.extend(["-o", object, source])
+        return [self.hook.get_cmdline_assembler(cmd_pre)]
+
+    @hook_tool
+    def compile(self, cc, source, object, includes):
+        cmd = copy(cc)
+        cmd.extend(self.get_compile_options(self.get_symbols(), includes))
+        cmd.extend(["-o", object, source])
+        cmd = self.hook.get_cmdline_compiler(cmd)
+        return [cmd]