x/asm

Data-driven assembler with JIT execution via mmap.

`reg`

`imm`

`mem`

`label`

`asm-new`

`asm-emit!`

`asm-label!`

`asm-patch!`

`asm-pos`

`asm-reloc!`

`asm-relocs`

`asm-relocator`

`asm-reloc-apply!`

`asm-finalize!`

`asm-free!`