From http://cgit.openembedded.org/openembedded-core/plain/meta/recipes-devtools/elfutils/files/0001-ppc_initreg.c-Incliude-asm-ptrace.h-for-pt_regs-defi.patch

From 2e2232d0935bf8ef6e66ebffba3be68a73b5b3e5 Mon Sep 17 00:00:00 2001
From: Khem Raj <raj.khem@gmail.com>
Date: Sun, 8 Sep 2019 15:57:59 -0700
Subject: [PATCH] ppc_initreg.c: Incliude asm/ptrace.h for pt_regs definition

Fixes
| ../../elfutils-0.176/backends/ppc_initreg.c:79:22: error: field 'r' has incomplete type
|       struct pt_regs r;
|                      ^

Upstream-Status: Pending

Signed-off-by: Khem Raj <raj.khem@gmail.com>
---
 backends/ppc_initreg.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/backends/ppc_initreg.c b/backends/ppc_initreg.c
index 0e0d359..e5cca7e 100644
--- a/backends/ppc_initreg.c
+++ b/backends/ppc_initreg.c
@@ -33,6 +33,7 @@
 #include <stdlib.h>
 #if defined(__powerpc__) && defined(__linux__)
 # include <sys/ptrace.h>
+# include <asm/ptrace.h>
 # include <sys/user.h>
 #endif
 
-- 
2.23.0