$nasm -O0 -f bin -o tiny_hello gistfile2.asm

$chmod +x tiny_hello

$wc -c tiny_hello
     251 tiny_hello

$./tiny_hello 
Hello, World!    

; file compata.asm
bits 32

section .text

%macro wrapper 2
extern %2
global %1
%1
    push    ebx
    push    ecx
    push    edx
    push    esi
    push    edi
    pushfd
    push    dword esp+6+4*4
    push    dword esp+6+4*4
    push    dword esp+6+4*4
    push    dword esp+6+4*4
    call    %2
    add     esp, 4*4
    popfd
    pop     edi
    pop     esi
    pop     edx
    pop     ecx
    pop     ebx
    ret
%endmacro

wrapper malloc, _malloc
wrapper free,   _free
wrapper getenv, _getenv
wrapper fopen,  _fopen_wrapper
wrapper fclose, _fclose
wrapper fread,  _fread
wrapper fwrite, _fwrite
wrapper fseek,  _fseek
wrapper ftell,  _ftell
wrapper time,   _time
wrapper exit,   _exit
wrapper write,  _write
wrapper gettimeofday, _gettimeofday_wrapper

extern main
global _main
_main
    cld
    jmp     main
    

// file compatc.c
#include <string.h>
#include <stdio.h>
#include <time.h>

FILE* fopen_wrapperconst char* name, const char* mode

  if !strcmpmode, "r"
    mode = "rb";
  else if !strcmpmode, "w"
    mode = "wb";
  else
    return NULL;
  return fopenname, mode;


struct my_timeval

  unsigned tv_sec, tv_usec;
;

int gettimeofday_wrapperstruct my_timeval* tp, void* tzp

  voidtzp;
  tp->tv_sec = timeNULL;
  tp->tv_usec = 0;
  return 0;

    

smlrcc compata.asm compatc.c fasm.o -o fasmm -macos
    

smlrcc compata.asm compatc.c fasm.o -o fasmdp.exe -dosp -minheap 17000000
    

smlrcc compata.asm compatc.c fasm.o -o fasmw.exe -win
    

./configure
make
sudo make install