能打印了，系统还跑不起来

Project/stm32f429ighx_flash.ld

@@ -72,9 +72,11 @@ SECTIONS
   /* The startup code goes first into FLASH */
   .isr_vector :
   {
+    isr_vector_start = .;
     . = ALIGN(4);
     KEEP(*(.isr_vector)) /* Startup code */
     . = ALIGN(4);
+    isr_vector_end = .;
   } >FLASH
 
   /* The program code and other data goes into FLASH */
@@ -103,27 +105,41 @@ SECTIONS
     . = ALIGN(4);
   } >FLASH
 
-  .my_data :
+  .libc_dev :
   {
     /* Place specific object files at fixed addresses */
     . = ALIGN(4);
     libc_dev_start = .;
-    *(libc_dev)
+    KEEP(*(.libc_dev))
     libc_dev_end = .;
     . = ALIGN(4);
+  } >FLASH
+
+  .name :{
+    . = ALIGN(4);
     name_start = .;
-    *(name)
+    KEEP(*(.name))
     name_end = .;
     . = ALIGN(4);
+  } >FLASH
+
+  .sys_api :{
+    . = ALIGN(4);
     sys_api_start = .;
-    *(sys_api)
+    *(.sys_api)
     sys_api_end = .;
     . = ALIGN(4);
+  } >FLASH
+
+  .bsp_init :{
+    . = ALIGN(4);
     bsp_init_start = .;
     *(bsp_init)
     bsp_init_end = .;
+    . = ALIGN(4);
   } >FLASH
 
+
   .ARM.extab   : { *(.ARM.extab* .gnu.linkonce.armextab.*) } >FLASH
   .ARM : {
     __exidx_start = .;