symbian-thumb.cf

linux下的一款播放器

# -*- python -*-
#
# ***** BEGIN LICENSE BLOCK *****
# Source last modified: $Id: symbian-thumb.cf,v 1.3 2004/08/24 23:28:51 hubbe Exp $
# 
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"""Generic symbian thumb .cf file. Common stuff to all symbian thumb builds."""

## Read in the *ARMI* symbian config file.
exec_config_file('symbian-armi.cf')

# store these for later
platform.armi_cc_cmd = cc.cmd
platform.armi_cc_args = cc.args['default']
platform.armi_cxx_cmd = cxx.cmd
platform.armi_cxx_args = cxx.args['default']

platform.include_arg = '-I '
platform.define_arg = '-D'
platform.object_suffix = 'o'
platform.shared_object_suffix = 'o'
platform.path_sep = '/'

## Symbian PCF file list
platform.pcf_prefix_list[-1:-1] = ['symbian-thumb']
platform.pcf_prefix_list.remove('symbian-armi')

## Turn these on for device builds.
project.AddDefines('__MARM_THUMB__')
project.RemoveDefines('__MARM_ARMI__')

project.RemoveSystemLibraries("euser.lib" );

## Compiler Class
class SymbianTHUMBCompiler(Compiler):
    def __init__(self):
        Compiler.__init__(self)

    def execute(self, target_file, src_file):
        extra_args = ''

        return form_string(
            platform.form_var(self.make_var),
            platform.form_var(self.make_flags),
            extra_args,
            self.target_arg + target_file,
            self.source_arg,
            src_file)

platform.cc = SymbianTHUMBCompiler()
platform.cxx = SymbianTHUMBCompiler()

cc = platform.cc
cxx = platform.cxx

cxx.cmd = cc.cmd = '"%s/EPOC32/gcc/bin/thumb-epoc-pe-gcc"' % platform.tool_root
cxx.source_arg = cc.source_arg = '-c'
cxx.target_arg = cc.target_arg = '-o '
cxx.make_var = cc.make_var = 'CC'
cxx.make_flags = 'CXXFLAGS'
cc.make_flags = 'CCFLAGS'
cxx.include_arg = cc.include_arg = '-I'
cc.prefix_include_arg = '-include '

cxx.args['default'] = '-s -fomit-frame-pointer -mthumb-interwork -nostdinc -fno-builtin -Wall -Wno-ctor-dtor-privacy -Wno-unknown-pragmas -Wno-non-virtual-dtor -ffunction-sections -fdata-sections'
cc.args['default'] = '-x c++ ' + cxx.args['default']

cxx.args['debug'] = cc.args['debug'] = '-g'

## no_optimize: no optimization on release builds
if project.BuildOption('no_optimize'):
    cc.args['release'] = ''
else:
    cc.args['release'] = '-O2'

cxx.args['release'] = cc.args['release']


class SymbianTHUMBLinker(Linker2):

    def link_script_path(self):
        return "%s.lnk" % (project.TargetName())

    def write_link_script(self):
        ## if there are no exported functions, die here
        if len(project.exported_func) == 0:
            umake_lib.fatal("dll target without exported functions")

        path=self.link_script_path()
        ## create a gcc link script
        fil = open(path, "w")

        for export in project.exported_func:
            fil.write("EXTERN(%s);\n" % (export))

        fil.close()

        return path

    def armerge_lib_path(self):
        libname = "%s_libs.%s" % (project.target_name, platform.library_suffix)
        return os.path.join(project.output_dir, libname)

    def armerge_tmp_path(self):
        return os.path.join(project.object_dir, "lib")

    def AddARMerge(self, cmd_list, static_libs):
        #
        # We use the armerge script to merge all the static libs into
        # one big one so that our one pass linker won't have troubles
        # with the circular dependancies. After this armerge is run
        # use mergedlibpath instead of static_libs.
        #
        armerge_cmd   = os.path.join(BUILD_ROOT, "bin", "armerge")
        tmpMergePath  = self.armerge_tmp_path()
        mergedLibPath = self.armerge_lib_path()
        cmd           = "python %s -d %s %s %s" % (armerge_cmd,
                                                   tmpMergePath,
                                                   mergedLibPath,
                                                   static_libs)
        cmd_list.append(cmd)

        return mergedLibPath

    def __init__(self):
        Linker2.__init__(self)

        ## these are here to emulate the old linker class
        ## for Umakefil/*.pcf files which do direct modification
        ## of this class
        self.def_file = ""
        self.implib_file = ""

        self.args = {}
        self.args["default"] = ""
        self.args["debug"] = "/debug"
        self.args["release"] = "/OPT:REF"
        self.args["dll"] = ""

    def read_ordinal_file(self, path):
        fil = open(path, "r")

        sym_ord_list = []
        for line in fil.readlines():
            field_list = string.split(line)
            symbol = string.strip(field_list[1])
            ordinal = string.strip(field_list[0])

            sym_ord_list.append((symbol, ordinal))

        return sym_ord_list

    def write_def_file(self, path):
        fil = open(path, 'w')

        ordinalFilename = "%s_ordinal.dat" % project.target_name

        if project.target_type == "dll":
            ## exported functions
            fil.write("EXPORTS\n")

            ## check for the data file which defines ordinally-exported
            ## methods/functions
            if project.BuildOption("ordinal") and \
               os.path.isfile(ordinalFilename):
                for (symbol, ordinal) in self.read_ordinal_file(ordinalFilename):
                    if '.' in symbol:
                        symbol = '"%s"' % symbol
                    fil.write("\t%s @ %s NONAME R3UNUSED\n" % (symbol, ordinal))

        fil.close()

    def LinkLIB(self, target_path, objects):
        cmd_list = []

        cmd = '-rm %s' % target_path
        cmd_list.append(cmd)

        arg_list = ["rv", target_path, objects]
        cmd = '"%s/EPOC32/gcc/bin/ar" %s' % (platform.tool_root,
                                             string.join(arg_list))
        cmd_list.append(cmd)

        cmd = '"%s/EPOC32/gcc/bin/ranlib" %s' % (platform.tool_root, 
                                                 target_path)
        cmd_list.append(cmd)

        return cmd_list

    def CleanLIB(self, target_path):
        return [target_path]

    def LinkDLL(self, target_path, objects, static_libs, dynamic_libs):
        cmd_list = []

        baseName = re.match("^(.+)\.dll$", target_path).group(1)

        mergedLibPath = self.AddARMerge( cmd_list, static_libs)

        # Generate .def file for this DLL
        defFileName = "%s.def" % project.target_name
        self.write_def_file(defFileName)

        # Generate first .exp file
        arg_list = ["-m thumb",
                    "--def %s" % defFileName,
                    "--output-exp %s.exp" % baseName,
                    "--dllname %s" % target_path]
        cmd = '"%s/EPOC32/gcc/bin/dlltool" %s' % (platform.tool_root, 
                                                  string.join(arg_list))
        cmd_list.append(cmd)

        undefines=self.write_link_script()

        # First link pass
        arg_list = ["-s",
                    "--thumb-entry _E32Dll",
                    "-u _E32Dll",
                    undefines,
                    "%s.exp" % baseName,
                    "--dll",
                    "--base-file %s.bas" % baseName,
                    "-o %s" % target_path,
                    GetSymbianLibPath("edll.lib"),
                    objects,
                    mergedLibPath,
                    dynamic_libs,
                    GetSymbianLibPath("egcc.lib"),
                    GetSymbianLibPath("euser.lib")]
        cmd = "python %s ld %s" % (
            os.path.join(BUILD_ROOT,"bin","rlink.py"),
            string.join(arg_list))
        cmd_list.append(cmd)

        cmd = "rm %s.exp" % baseName
        cmd_list.append(cmd)