Add dummy PrgData section and move device description to DevDescr section

Author: mbrossard

link.x

@@ -36,10 +36,16 @@ SECTIONS {
     }
 
     /*
-     * The device description is usually in DevDscr section, but adding it to
-     * PrgData in order to satisfy tools that need this section.
+     * Adding PrgData section in order to satisfy tools that need it.
      */
     PrgData : {
+        KEEP(*(.PrgData))
+        KEEP(*(.PrgData.*))
+
+        . = ALIGN(4);
+    }
+
+    DevDscr : {
         KEEP(*(.DevDscr))
         KEEP(*(.DevDscr.*))
 

src/main.rs

@@ -78,6 +78,11 @@ pub struct FlashDevice {
     pub sectors: [u32; 4],
 }
 
+#[cfg(feature = "device_description")]
+#[no_mangle]
+#[link_section = ".PrgData"]
+pub static dummy: u32 = 0;
+
 #[cfg(feature = "device_description")]
 #[no_mangle]
 #[link_section = ".DevDscr"]