先请而后教

devdas

MEMORY
{
/* 16MB SDRAM */
SDRAM_VECT: o = 0x10000000, l = 0x00000100
SDRAM_SLP_IRAM: o = 0x10000100, l = 0x00000800
SDRAM_PROG: o = 0x10000900, l = 0x00770000
SDRAM_DATA: o = 0x10770900, l = 0x00660000
SDRAM_NUTASK: o = 0x10DD0900, l = 0x00000100 /*Not needed in GPF*/
SDRAM_NC: o = 0x10DD1000, l = 0x0002F000 /* Uncachable SDRAM, for DMA*/
SDRAM_DSP_SHARE: o = 0x10E00000, l = 0x00200000 /*Should be Reserved*/
/* 32KB Internal SRAM */
I_RAM:  o = 0x20000000, l = 0x00007000
/* decided by bspMmap_symbols_platform.h */
PM_IRAM_TEXT: o = 0x20007000, l= 0x00000800
PM_IRAM_DATA: o = 0x20007800, l= 0x00000800
/* DAR_FLASH      : o=0x0cf00000,l=0x40000
*/
}
请教下面这些内容模块中放的是什么？
SDRAM_VECT
SDRAM_SLP_IRAM:
SDRAM_PROG
SDRAM_DATA
SDRAM_NUTASK
SDRAM_NC
SDRAM_DSP_SHARE

erichain

由SECTIONS指定。

devdas

那SECTIONS是什么呢？