; test source file for assembling to COFF; build with (under DJGPP, for example):;    yasm -f coff cofftest.asm;    gcc -o cofftest cofftest.c cofftest.o; This file should test the following:; [1] Define and export a global text-section symbol; [2] Define and export a global data-section symbol; [3] Define and export a global BSS-section symbol; [4] Define a non-global text-section symbol; [5] Define a non-global data-section symbol; [6] Define a non-global BSS-section symbol; [7] Define a COMMON symbol; [8] Define a NASM local label; [9] Reference a NASM local label; [10] Import an external symbol; [11] Make a PC-relative call to an external symbol; [12] Reference a text-section symbol in the text section; [13] Reference a data-section symbol in the text section; [14] Reference a BSS-section symbol in the text section; [15] Reference a text-section symbol in the data section; [16] Reference a data-section symbol in the data section; [17] Reference a BSS-section symbol in the data section[BITS 32][GLOBAL _lrotate]	; [1][GLOBAL _greet]		; [1][GLOBAL _asmstr]	; [2][GLOBAL _textptr]	; [2][GLOBAL _selfptr]	; [2][GLOBAL _integer]	; [3][EXTERN _printf]	; [10][COMMON _commvar 4]	; [7][SECTION .text]; prototype: long lrotate(long x, int num);_lrotate:			; [1]	  push ebp	  mov ebp,esp	  mov eax,[ebp+8]	  mov ecx,[ebp+12].label	  rol eax,1		; [4] [8]	  loop .label		; [9] [12]	  mov esp,ebp	  pop ebp	  ret; prototype: void greet(void);_greet	  mov eax,[_integer]	; [14]	  inc eax	  mov [localint],eax	; [14]	  push dword [_commvar]	  mov eax,[localptr]	; [13]	  push dword [eax]	  push dword [_integer]	; [1] [14]	  push dword _printfstr	; [13]	  call _printf		; [11]	  add esp,16	  ret[SECTION .data]; a string_asmstr	  db 'hello, world', 0	; [2]; a string for Printf_printfstr db "integer==%d, localint==%d, commvar=%d"	  db 10, 0; some pointerslocalptr  dd localint		; [5] [17]_textptr  dd _greet		; [15]_selfptr  dd _selfptr		; [16][SECTION .bss]; an integer_integer  resd 1		; [3]; a local integerlocalint  resd 1		; [6]