求大神解释下下面这段代码的意义
SECTIONS
{
/*** PIE Vect Table and Boot ROM Variables Structures ***/
UNION run = PIE_VECT, PAGE = 1
{
PieVectTableFile
GROUP
{
EmuKeyVar
EmuBModeVar
FlashCallbackVar
FlashScalingVar
}
}
UNION run = ADC1, PAGE = 1
{
AdcRegsFile
Adc1RegsFile
}
} |