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[PATCH v4 1/6] xen: introduce SIMPLE_DECL_SECTION



Introduce SIMPLE_DECL_SECTION to cover the case when
an architecture wants to declare a section without specifying
of load address for the section.

Update x86/xen.lds.S to use SIMPLE_DECL_SECTION.

Signed-off-by: Oleksii Kurochko <oleksii.kurochko@xxxxxxxxx>
---
Changes in V4:
 - new patch
---
 xen/arch/x86/xen.lds.S    | 6 ++++--
 xen/include/xen/xen.lds.h | 6 ++++++
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/xen/arch/x86/xen.lds.S b/xen/arch/x86/xen.lds.S
index b60d2f0d82..9275a566e1 100644
--- a/xen/arch/x86/xen.lds.S
+++ b/xen/arch/x86/xen.lds.S
@@ -3,6 +3,10 @@
 
 #include <xen/cache.h>
 #include <xen/lib.h>
+
+#ifdef EFI
+#define SIMPLE_DECL_SECTION
+#endif
 #include <xen/xen.lds.h>
 #include <asm/page.h>
 #undef ENTRY
@@ -12,9 +16,7 @@
 
 #define FORMAT "pei-x86-64"
 #undef __XEN_VIRT_START
-#undef DECL_SECTION
 #define __XEN_VIRT_START __image_base__
-#define DECL_SECTION(x) x :
 
 ENTRY(efi_start)
 
diff --git a/xen/include/xen/xen.lds.h b/xen/include/xen/xen.lds.h
index 24b8900ffe..8135732756 100644
--- a/xen/include/xen/xen.lds.h
+++ b/xen/include/xen/xen.lds.h
@@ -5,6 +5,8 @@
  * Common macros to be used in architecture specific linker scripts.
  */
 
+#ifndef SIMPLE_DECL_SECTION
+
 /*
  * Declare a section whose load address is based at PA 0 rather than
  * Xen's virtual base address.
@@ -15,6 +17,10 @@
 # define DECL_SECTION(x) x : AT(ADDR(x) - __XEN_VIRT_START)
 #endif
 
+#else /* SIMPLE_DECL_SECTION */
+#define DECL_SECTION(x) x :
+#endif
+
 /*
  * To avoid any confusion, please note that the EFI macro does not correspond
  * to EFI support and is used when linking a native EFI (i.e. PE/COFF) binary,
-- 
2.46.1




 


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