LoongArch: Calculate various sizes in the linker script
Taking the address delta between symbols in different sections is not
supported by the LLVM IAS. Instead, do this in the linker script, so
the same data can be properly referenced in assembly.
Signed-off-by: WANG Rui <wangrui@loongson.cn>
Signed-off-by: WANG Xuerui <git@xen0n.name>
[chenhuacai: Fix build with !CONFIG_EFI_STUB]
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
diff --git a/arch/loongarch/kernel/vmlinux.lds.S b/arch/loongarch/kernel/vmlinux.lds.S
index 0c7b041..b1686af 100644
--- a/arch/loongarch/kernel/vmlinux.lds.S
+++ b/arch/loongarch/kernel/vmlinux.lds.S
@@ -136,6 +136,15 @@
DWARF_DEBUG
ELF_DETAILS
+#ifdef CONFIG_EFI_STUB
+ /* header symbols */
+ _kernel_asize = _end - _text;
+ _kernel_fsize = _edata - _text;
+ _kernel_vsize = _end - __initdata_begin;
+ _kernel_rsize = _edata - __initdata_begin;
+ _kernel_offset = kernel_offset - _text;
+#endif
+
.gptab.sdata : {
*(.gptab.data)
*(.gptab.sdata)
