; test source file for assembling to ELF; copied from cofftest.asm;  s/_//g  s/coff/elf/g; build with (under Linux, for example):;    yasm -f elf elftest.asm;    gcc -o elftest elftest.c elftest.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 stringasmstr	  db 'hello, world', 0	; [2]; a string for Printfprintfstr 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 integerinteger  resd 1			; [3]; a local integerlocalint  resd 1		; [6]