Add .sbss section to linker script

laanwj · laanwj · commit eb00f87c1604 · 2019-07-18T18:18:50.000Z
Rust nightly has started generating this section for RISC-V executables,
place it at the start of the bss area.
diff --git a/riscv-rt/link.x b/riscv-rt/link.x
@@ -66,7 +66,7 @@ SECTIONS
   .bss :
   {
     _sbss = .;
-    *(.bss .bss.*);
+    *(.sbss .sbss.* .bss .bss.*);
     . = ALIGN(4);
     _ebss = .;
   } > REGION_BSS :virtual
