;;; Dynamic memory management. Allocated with MALLOC and released with
;;; MUNMAP (see below)
- ;; ( size -- addr )
- ;; Allocates memory (using brk)
WORD p_malloc,'MALLOC',fasm
+ ;; ( size -- addr )
+ ;; Allocates memory (using mmap)
pushr rsi ; pretend it's a FORTH word since it
; ends via sys_mmap_asm
pop rax
push qword 0 ; offset
jmp sys_mmap_asm ; exit via sys_mmap
+ WORD p_realloc,'REALLOC',fasm
+ ;; ( addr old new -- )
+ ;; Try remapping a given MMAP region of old size to a new size
+ ;; mremap(void *old_address, size_t old_size,
+ ;; size_t new_size, int flags, ... /* void *new_address */);
+ pushr rsi
+ push 1 ; MREMAP_MAYMOVE
+ jmp sys_mmap_asm ; exit via sys_mmap
+
;;; ========================================
;;; Input stream handling.
;;;
WORD p_double_quote,'"',fasm ;; " (fool emacs)
;; ( -- char* n )
- ;; Scan to double quote in stream buffer, putting thr string on PAD
+ ;; Scan to double quote in stream buffer, putting the string on PAD
pushr rsi
push p_pad_DFA
push 0
WORD p_sp,'SP',dovalue
;; ( -- c )
;; Pushes a space character on the stack
- dq 10
+ dq 32
WORD p_digits,'DIGITS',dovariable
db '0123456789abcdef'