很多的经典的嵌入式例子 自己去看吧

				
				MEMORY
				{
				       	VECTOR: origin = 0x00000000,  length  0x00000200
				       	FLASH:  origin = 0x00001000,  length  0x0001f000
				       	SRAM:   origin = 0x00020000,  length  0x00020000
				       	INTMEM: origin = 0xffc00000,  length  0x00003000
				       	STACK:  origin = 0xffc03800,  length  0x00000800
				}
				
				SECTIONS
				{     
				        vectors	    : {}  >VECTOR
				        isr			: {}  >FLASH 
				       .text	    : {}  >FLASH
				       .data	    : {}  >INTMEM
				       .bss	        : {}  >INTMEM
				       .cinit	    : {}  >FLASH
				       .const	    : {}  >FLASH
				       .stack	    : {}  >STACK
				}