diff --git a/libs/libvmbase/src/layout.rs b/libs/libvmbase/src/layout.rs
index adcb2fa..2f710ef 100644
--- a/libs/libvmbase/src/layout.rs
+++ b/libs/libvmbase/src/layout.rs
@@ -80,6 +80,11 @@
     linker_region!(bss_begin, bss_end)
 }
 
+/// Writable data region for .data and .bss.
+pub fn data_bss_range() -> Range<VirtualAddress> {
+    linker_region!(data_begin, bss_end)
+}
+
 /// Writable data region for the stack.
 pub fn stack_range(stack_size: usize) -> Range<VirtualAddress> {
     let end = linker_addr!(init_stack_pointer);
@@ -89,9 +94,9 @@
     start..end
 }
 
-/// All writable sections, excluding the stack.
-pub fn scratch_range() -> Range<VirtualAddress> {
-    linker_region!(eh_stack_limit, bss_end)
+/// Writable data region for the exception handler stack.
+pub fn eh_stack_range() -> Range<VirtualAddress> {
+    linker_region!(eh_stack_limit, init_eh_stack_pointer)
 }
 
 /// Range of the page at UART_PAGE_ADDR of PAGE_SIZE.
diff --git a/libs/libvmbase/src/linker.rs b/libs/libvmbase/src/linker.rs
index 97bef3f..40afce5 100644
--- a/libs/libvmbase/src/linker.rs
+++ b/libs/libvmbase/src/linker.rs
@@ -35,6 +35,8 @@
     pub static dtb_end: u8;
     /// First byte of the region available for the exception handler stack.
     pub static eh_stack_limit: u8;
+    /// First byte past the region available for the exception handler stack.
+    pub static init_eh_stack_pointer: u8;
     /// First byte past the region available for the stack.
     pub static init_stack_pointer: u8;
     /// First byte of the `.rodata` section.