X-Git-Url: https://git.rrq.au/?a=blobdiff_plain;f=stdio.asm;h=eeac43874b332fb92e81784c941da12be5169f4e;hb=d5613f1ba2ae4065d60df8e768027f437f740a7f;hp=e7cb02c610b99cce131c9ea8469d53f96f169489;hpb=4b8c6ee71a5bf95c1374bf45aa6d64bf42c81551;p=rrq%2Frrqforth.git diff --git a/stdio.asm b/stdio.asm index e7cb02c..eeac438 100644 --- a/stdio.asm +++ b/stdio.asm @@ -2,9 +2,9 @@ ;;; 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 @@ -16,6 +16,15 @@ 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. ;;; @@ -205,12 +214,12 @@ p_read_word_nomore: 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 p_double_quote_loop: - DOFORTH p_stdin, p_read_stream_char + DOFORTH p_input, p_get, p_read_stream_char pop rax cmp rax,0 jl p_double_quote_endstream @@ -262,7 +271,7 @@ p_double_quote_endstream: WORD p_sp,'SP',dovalue ;; ( -- c ) ;; Pushes a space character on the stack - dq 10 + dq 32 WORD p_digits,'DIGITS',dovariable db '0123456789abcdef'