ExecuteStackProgram executes a DWARF location expression and returns either an address (int64), or a slice of Pieces for location expressions that don't evaluate to an address (such as register and composite expressions).

NewDwarfRegisters returns a new DwarfRegisters object.

PrettyPrint prints the DWARF stack program instructions to `out`.

The piece is stored in memory, Val is the address.

The piece is an immediate value, Val or Bytes is the value.

The piece is stored in a register, Val is the register number.

DwarfRegisters holds the value of stack program registers.

Piece is a piece of memory stored either at an address or in a register.

Opcode represent a DWARF stack program instruction.

PieceKind describes the kind of a piece.