/*!
 *  ======== Linux86_64.xdc ========
 *  Native 64-bit x86 Linux target (LP64)
 *
 *  This module defines the native target for 64-bit (LP64) Linux
 *  on an x86 platform.
 */
metaonly module Linux86_64 inherits gnu.targets.ITarget {
    override readonly config string name	= "Linux86_64";
    override readonly config string os		= "Linux";
    override readonly config string suffix	= "86_64U";
    override readonly config string isa		= "i686";
    override readonly config xdc.bld.ITarget.Model model= {
	endian: "little"
    };
    override readonly config string rts		= "gnu.targets.rts86U";
    override config string platform		= "host.platforms.PC";

    readonly config Bool arrayTypeVaList                = true;

    /*!
     *  ======== cc ========
     *  The command used to compile C/C++ source files into object files
     */
    override readonly config xdc.bld.ITarget2.Command cc = {
        cmd: "$(rootDir)/bin/gcc -c -MD -MF $@.dep",
        opts: "-m64"
    };

    /*!
     *  ======== asm ========
     *  The command used to assembles assembly source files into object files
     */
    override readonly config xdc.bld.ITarget2.Command asm = {
	cmd: "$(rootDir)/bin/gcc -c -x assembler",
	opts: "-m64"
    };

    /*!
     *  ======== lnk ========
     *  The command used to link executables.
     */
    override readonly config xdc.bld.ITarget2.Command lnk = {
	cmd: "$(rootDir)/bin/gcc",
	opts: "-m64"
    };

    /*
     *  ======== ccOpts ========
     */
    override config xdc.bld.ITarget2.Options ccOpts = {
	prefix: "-fPIC -Wunused",
	suffix: "-Dfar="
    };

    /*
     *  ======== lnkOpts ========
     */
    override config xdc.bld.ITarget2.Options lnkOpts = {
	prefix: "",
	suffix: "-Wl,-Map=$(XDCCFGDIR)/$@.map -lstdc++ -L$(rootDir)/lib64"
    };

    /*
     *  ======== includeOpts ========
     *  $(rootDir)/include	  - contains compiler specific headers
     *
     *  GCC compilers for Linux automatically add this directory, but at least
     *  in some cases, the directory is added searched after standard system
     *  directories. This way, we ensure $(rootDir)/include is searched
     *  before standard system directories.
     */
    override config string includeOpts = "-isystem $(rootDir)/include";

    /*
     *  ======== stdTypes ========
     */
    override readonly config xdc.bld.ITarget.StdTypes stdTypes = {
	t_IArg		: { size: 8, align: 8 },
	t_Char		: { size: 1, align: 1 },
	t_Double	: { size: 8, align: 8 },
	t_Float		: { size: 4, align: 4 },
	t_Fxn		: { size: 8, align: 8 },
	t_Int		: { size: 4, align: 4 },
	t_Int8		: { size: 1, align: 1 },
	t_Int16		: { size: 2, align: 2 },
	t_Int32		: { size: 4, align: 4 },
	t_Int64		: { size: 8, align: 8 },
	t_Long		: { size: 8, align: 8 },
	t_LDouble	: { size: 16, align: 16 },
	t_LLong		: { size: 8, align: 8 },
	t_Ptr		: { size: 8, align: 8 },
	t_Short		: { size: 2, align: 2 },
	t_Size          : { size: 8, align: 8 },
    };
}