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package OCONST4 is
type bit is (zero, one);
type u2 is mod 2**2;
type u5 is mod 2**5;
type u8 is mod 2**8;
type Base is record
f1 : bit;
f2 : u2;
f3 : u5;
f4 : u8;
end record;
for Base use record
f1 at 0 range 0 .. 0;
f2 at 0 range 1 .. 2;
f3 at 0 range 3 .. 7;
f4 at 1 range 0 .. 7;
end record;
type Derived is record
f1 : u5;
b : Base;
f2 : bit;
f3 : u2;
f4 : u8;
i1 : Integer;
i2 : Integer;
end record;
for Derived use record
f1 at 0 range 0 .. 4;
b at 0 range 5 .. 20; -- unaligned HImode bitfield
f2 at 0 range 21 .. 21;
f3 at 0 range 22 .. 23;
f4 at 0 range 24 .. 31;
i1 at 4 range 0 .. 31;
i2 at 8 range 0 .. 31;
end record;
type R is record
u : u8;
d : Derived;
end record;
for R use record
u at 0 range 0 .. 7;
d at 1 range 0 .. 95; -- BLKmode bitfield
end record;
My_R : constant R := (u=>1,
d=>(f1=>17,
b=>(f1=>one,
f2=>2,
f3=>17,
f4=>42),
f2=>one,
f3=>1,
f4=>111,
i1=>2,
i2=>3));
procedure check (arg : R);
end;
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