The system_stm32f2xx.c file is from stsw-stm32062.zip, the folder:

	STM32F2xx_StdPeriph_Lib_V1.1.0/Libraries/CMSIS/Device/ST/STM32F2xx/Source/Templates
	
The vectors_stm32f2xx.c was created to conform to the 
gcc_ride7/startup_stm32f2xx.s.