* TOCHECK: New file containing things to check for.
        * asm-support.S: New file.
        * Makefile (asm-support.o): New target.
        * abitest: Add asm-support.o to link command.
        Let user override CC and LD, list failed tests at the end.

        * args.h: Support for the asm wrapper.
        (WRAP_CALL): New macro.
        (callthis, rax - r15): Declare.
        (check_int_register_contents): Remove.
        (check_int_arguments): Adjust for asm wrapper.
        * make_passing_tests.c (make_checking_define): Use WRAP_CALL.
        * test_passing_structs.c: Adjust for asm wrapper.
        * test_passing_structs_and_unions.c: Ditto.
        * test_passing_unions.c: Ditto.


git-svn-id: http://x86-64.org/svn/trunk@190 6601e6e8-4d26-0410-a679-8f2142522ccc