关于官方的stm32L475VETx的SDK包编译下载不能使用的问题

Reset_Handler:
  ldr   sp, =_estack    /* Set stack pointer */
/* Call the clock system initialization function.*/
    bl  SystemInit
/* Copy the data segment initializers from flash to SRAM */
  movs    r1, #0
  b    LoopCopyDataInit
CopyDataInit:
    ldr    r3, =_sidata
    ldr    r3, [r3, r1]
    str    r3, [r0, r1]
    adds    r1, r1, #4
LoopCopyDataInit:
    ldr    r0, =_sdata
    ldr    r3, =_edata
    adds    r2, r0, r1
    cmp    r2, r3
    bcc    CopyDataInit
    ldr    r2, =_sbss
    b    LoopFillZerobss
/* Zero fill the bss segment. */
FillZerobss:
    movs    r3, #0
    str    r3, [r2], #4
LoopFillZerobss:
    ldr    r3, = _ebss
    cmp    r2, r3
    bcc    FillZerobss
/* Call static constructors */
//死在这个地方
    bl __libc_init_array
/* Call the application's entry point.*/
    bl    entry

.text :
    {
        . = ALIGN(4);
        _stext = .;
        KEEP(*(.isr_vector))            /* Startup code */
        /*添加这里的两句
        KEEP(*(.init))
        KEEP(*(.fini))
        /*添加上面两句
        . = ALIGN(4);
        *(.text)                        /* remaining code */
        *(.text.*)                      /* remaining code */
        *(.rodata)                      /* read-only data (constants) */
        *(.rodata*)
        *(.glue_7)
        *(.glue_7t)
        *(.gnu.linkonce.t*)