runtime-memory.scm

(define-library (runtime-memory)

  (export memory-definitions
          literal-memory-start-address
          heap-memory-start-vector
          write-string-pointer-addr
          write-string-length-addr
          write-string-bytes-written-addr)

  (import (scheme base)
          (values))

  (begin
    (define memory-definitions
      ;; WASI requires the export name "memory"
      '(($heap (memory (export "memory") 10))))

    ;; Reserve memory addresses 0x00000000-0x000000ff for runtime internal data.
    ;; Literal data will start from 0x00000100
    (define literal-memory-start-address #x00000100)

    ;; Address of pointer to start of heap after literal data
    (define heap-memory-start-vector #x00000000)

    ;; write-string iovec
    (define write-string-pointer-addr       #x00000004)
    (define write-string-length-addr        #x00000008)
    (define write-string-bytes-written-addr #x00000010)
    ))