[xen staging] xen: Introduce a header to store common linker scripts content

[patchbot@xxxxxxx]

commit 6af59c45a44a013c42e6e9d45d73c7edadb4e531
Author:     Michal Orzel <michal.orzel@xxxxxxx>
AuthorDate: Mon Apr 11 09:02:59 2022 +0200
Commit:     Julien Grall <jgrall@xxxxxxxxxx>
CommitDate: Mon Apr 11 11:26:06 2022 +0100

    xen: Introduce a header to store common linker scripts content
    
    Both x86 and arm linker scripts share quite a lot of common content.
    It is difficult to keep syncing them up, thus introduce a new header
    in include/xen called xen.lds.h to store the internals mutual to all
    the linker scripts.
    
    Include this header in linker scripts for x86 and arm.
    This patch serves as an intermediate step before populating xen.lds.h
    and making use of its content in the linker scripts later on.
    
    Signed-off-by: Michal Orzel <michal.orzel@xxxxxxx>
    Acked-by: Jan Beulich <jbeulich@xxxxxxxx>
    Acked-by: Julien Grall <jgrall@xxxxxxxxxx>
---
 xen/arch/arm/xen.lds.S    | 1 +
 xen/arch/x86/xen.lds.S    | 1 +
 xen/include/xen/xen.lds.h | 8 ++++++++
 3 files changed, 10 insertions(+)

diff --git a/xen/arch/arm/xen.lds.S b/xen/arch/arm/xen.lds.S
index ad7f966f0e..d20e5e94e4 100644
--- a/xen/arch/arm/xen.lds.S
+++ b/xen/arch/arm/xen.lds.S
@@ -4,6 +4,7 @@
 
 #include <xen/cache.h>
 #include <xen/lib.h>
+#include <xen/xen.lds.h>
 #include <asm/page.h>
 #undef ENTRY
 #undef ALIGN
diff --git a/xen/arch/x86/xen.lds.S b/xen/arch/x86/xen.lds.S
index 6926e88e54..1fcd8ab7c5 100644
--- a/xen/arch/x86/xen.lds.S
+++ b/xen/arch/x86/xen.lds.S
@@ -3,6 +3,7 @@
 
 #include <xen/cache.h>
 #include <xen/lib.h>
+#include <xen/xen.lds.h>
 #include <asm/page.h>
 #undef ENTRY
 #undef ALIGN
diff --git a/xen/include/xen/xen.lds.h b/xen/include/xen/xen.lds.h
new file mode 100644
index 0000000000..dd292fa7dc
--- /dev/null
+++ b/xen/include/xen/xen.lds.h
@@ -0,0 +1,8 @@
+#ifndef __XEN_LDS_H__
+#define __XEN_LDS_H__
+
+/*
+ * Common macros to be used in architecture specific linker scripts.
+ */
+
+#endif /* __XEN_LDS_H__ */
--
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