From 7b3b9c00af918d18d0ed3f0137b1605f9fa4082d Mon Sep 17 00:00:00 2001
From: Tony Tye <Tony.Tye@amd.com>
Date: Thu, 24 Jun 2021 02:01:24 +0000
Subject: [PATCH] [AMDGPU] Reserve AMDGPU ELF e_flags machine 0x43

Reviewed By: kzhuravl, rampitec

Differential Revision: https://reviews.llvm.org/D104872
---
 docs/AMDGPUUsage.rst            | 1 +
 include/llvm/BinaryFormat/ELF.h | 3 ++-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/docs/AMDGPUUsage.rst b/docs/AMDGPUUsage.rst
index 8d6d86a35e9..d414b06edb1 100644
--- a/docs/AMDGPUUsage.rst
+++ b/docs/AMDGPUUsage.rst
@@ -1163,6 +1163,7 @@ The AMDGPU backend uses the following ELF header:
      *reserved*                           0x040      Reserved.
      *reserved*                           0x041      Reserved.
      ``EF_AMDGPU_MACH_AMDGCN_GFX1013``    0x042      ``gfx1013``
+     *reserved*                           0x043      Reserved.
      ==================================== ========== =============================
 
 Sections
diff --git a/include/llvm/BinaryFormat/ELF.h b/include/llvm/BinaryFormat/ELF.h
index bd784b97396..b8135ffcd7a 100644
--- a/include/llvm/BinaryFormat/ELF.h
+++ b/include/llvm/BinaryFormat/ELF.h
@@ -743,10 +743,11 @@ enum : unsigned {
   EF_AMDGPU_MACH_AMDGCN_RESERVED_0X40 = 0x040,
   EF_AMDGPU_MACH_AMDGCN_RESERVED_0X41 = 0x041,
   EF_AMDGPU_MACH_AMDGCN_GFX1013       = 0x042,
+  EF_AMDGPU_MACH_AMDGCN_RESERVED_0X43 = 0x043,
 
   // First/last AMDGCN-based processors.
   EF_AMDGPU_MACH_AMDGCN_FIRST = EF_AMDGPU_MACH_AMDGCN_GFX600,
-  EF_AMDGPU_MACH_AMDGCN_LAST = EF_AMDGPU_MACH_AMDGCN_GFX1013,
+  EF_AMDGPU_MACH_AMDGCN_LAST = EF_AMDGPU_MACH_AMDGCN_RESERVED_0X43,
 
   // Indicates if the "xnack" target feature is enabled for all code contained
   // in the object.