! *** PREDECLARED TYPES
     
      %IF %DECLARED ( %BASIC$QUADWORD_DECLARED ) = 0 %THEN
         RECORD BASIC$QUADWORD
            LONG FILL ( 2 )
         END RECORD
         %LET %BASIC$QUADWORD_DECLARED = 1
      %END %IF
     
      %IF %DECLARED ( %BASIC$OCTAWORD_DECLARED ) = 0 %THEN
         RECORD BASIC$OCTAWORD
            LONG FILL ( 4 )
         END RECORD
         %LET %BASIC$OCTAWORD_DECLARED = 1
      %END %IF
     
      %IF %DECLARED ( %BASIC$HFLOAT_AXP_DECLARED ) = 0 %THEN
         RECORD BASIC$HFLOAT_AXP
            LONG FILL ( 4 )
         END RECORD
         %LET %BASIC$HFLOAT_AXP_DECLARED = 1
      %END %IF
     
      %IF %DECLARED ( %BASIC$F_FLOATING_COMPLEX_DECL ) = 0 %THEN
         RECORD BASIC$F_FLOATING_COMPLEX
            SINGLE REAL_PART
            SINGLE IMAGINARY_PART
         END RECORD
         %LET %BASIC$F_FLOATING_COMPLEX_DECL = 1
      %END %IF
     
      %IF %DECLARED ( %BASIC$D_FLOATING_COMPLEX_DECL ) = 0 %THEN
         RECORD BASIC$D_FLOATING_COMPLEX
            DOUBLE REAL_PART
            DOUBLE IMAGINARY_PART
         END RECORD
         %LET %BASIC$D_FLOATING_COMPLEX_DECL = 1
      %END %IF
     
      %IF %DECLARED ( %BASIC$G_FLOATING_COMPLEX_DECL ) = 0 %THEN
         RECORD BASIC$G_FLOATING_COMPLEX
            GFLOAT REAL_PART
            GFLOAT IMAGINARY_PART
         END RECORD
         %LET %BASIC$G_FLOATING_COMPLEX_DECL = 1
      %END %IF
     
      %IF %DECLARED ( %BASIC$H_FLOAT_AXP_CMPLX_DCL ) = 0 %THEN
         RECORD BASIC$H_FLOATING_COMPLEX_AXP
            BASIC$HFLOAT_AXP REAL_PART
            BASIC$HFLOAT_AXP IMAGINARY_PART
         END RECORD
         %LET %BASIC$H_FLOAT_AXP_CMPLX_DCL = 1
      %END %IF
    
    
    ! 
    !  GSD entry - P-section definition in shareable image
    ! 
      DECLARE LONG CONSTANT SGPS$M_PIC = x'00000001'
      DECLARE LONG CONSTANT SGPS$M_LIB = x'00000002'
      DECLARE LONG CONSTANT SGPS$M_OVR = x'00000004'
      DECLARE LONG CONSTANT SGPS$M_REL = x'00000008'
      DECLARE LONG CONSTANT SGPS$M_GBL = x'00000010'
      DECLARE LONG CONSTANT SGPS$M_SHR = x'00000020'
      DECLARE LONG CONSTANT SGPS$M_EXE = x'00000040'
      DECLARE LONG CONSTANT SGPS$M_RD = x'00000080'
      DECLARE LONG CONSTANT SGPS$M_WRT = x'00000100'
      DECLARE LONG CONSTANT SGPS$M_VEC = x'00000200'
      DECLARE LONG CONSTANT SGPS$M_NOMOD = x'00000400'
      DECLARE LONG CONSTANT SGPS$M_COM = x'00000800'
      DECLARE LONG CONSTANT SGPS$K_NAME = 13
      DECLARE LONG CONSTANT SGPS$C_NAME = 13
      DECLARE LONG CONSTANT SGPS$S_SGPSDEF = 44
      record SGPSDEF
         group SGPS$R_GSDTYP_OVERLAY
            variant
               case
                  BYTE SGPS$B_GSDTYP        ! Typ field 
               case
                  group SGPS$R_GSDTYP_FIELDS
                     STRING SGPS$T_START = 0
                     BYTE SGPSDEF$$_FILL_1
                  end group SGPS$R_GSDTYP_FIELDS
            end variant
         end group SGPS$R_GSDTYP_OVERLAY
         BYTE SGPS$B_ALIGN                  ! P-sect alignment 
         group SGPS$R_FLAGS_OVERLAY
            variant
               case
                  WORD SGPS$W_FLAGS         ! P-sect flags 
               case
                  group SGPS$R_FLAGS_BITS
                      ! Position independent 
                      ! From a shareable image 
                      ! Overlaid memory allocation 
                      ! Relocatable 
                      ! Global scope 
                      ! Shareable 
                      ! Executable 
                      ! Readable 
                      ! Writeable 
                      ! Vector psect 
                      ! Not stored into
                      ! Associated with COMM sym
                     WORD PIC_bits   ! COMMENT ADDED BY SDL - PIC_bits contains bits PIC through FILL_16_
                  end group SGPS$R_FLAGS_BITS
            end variant
         end group SGPS$R_FLAGS_OVERLAY
         LONG SGPS$L_ALLOC                  ! Length of this psect in shr image 
         LONG SGPS$L_BASE                   ! Base of this psect in shr image 
         BYTE SGPS$B_NAMLNG                 ! Length of p-sect name 
         STRING SGPS$T_NAME = 31            ! Name field 
      end record SGPSDEF