selftest/powerpc/ptrace: Cleanup duplicate macro definitions

Both core-pkey.c and ptrace-pkey.c tests have
similar macro definitions, move them to "pkeys.h"
and remove the macro definitions from the C file.

Reviewed-by: Ritesh Harjani (IBM) <ritesh.list@gmail.com>
Signed-off-by: Madhavan Srinivasan <maddy@linux.ibm.com>
Link: https://patch.msgid.link/20241216160257.87252-3-maddy@linux.ibm.com

Author: maddy-kerneldev

tools/testing/selftests/powerpc/include/pkeys.h

@@ -35,10 +35,18 @@
 #define __NR_pkey_alloc		384
 #define __NR_pkey_free		385
 
+#ifndef NT_PPC_PKEY
+#define NT_PPC_PKEY		0x110
+#endif
+
 #define PKEY_BITS_PER_PKEY	2
 #define NR_PKEYS		32
 #define PKEY_BITS_MASK		((1UL << PKEY_BITS_PER_PKEY) - 1)
 
+#define AMR_BITS_PER_PKEY 2
+#define PKEY_REG_BITS (sizeof(u64) * 8)
+#define pkeyshift(pkey) (PKEY_REG_BITS - ((pkey + 1) * AMR_BITS_PER_PKEY))
+
 inline unsigned long pkeyreg_get(void)
 {
 	return mfspr(SPRN_AMR);

tools/testing/selftests/powerpc/ptrace/core-pkey.c

@@ -18,18 +18,6 @@
 #include "child.h"
 #include "pkeys.h"
 
-#ifndef NT_PPC_PKEY
-#define NT_PPC_PKEY		0x110
-#endif
-
-#ifndef PKEY_DISABLE_EXECUTE
-#define PKEY_DISABLE_EXECUTE	0x4
-#endif
-
-#define AMR_BITS_PER_PKEY 2
-#define PKEY_REG_BITS (sizeof(u64) * 8)
-#define pkeyshift(pkey) (PKEY_REG_BITS - ((pkey + 1) * AMR_BITS_PER_PKEY))
-
 #define CORE_FILE_LIMIT	(5 * 1024 * 1024)	/* 5 MB should be enough */
 
 static const char core_pattern_file[] = "/proc/sys/kernel/core_pattern";

tools/testing/selftests/powerpc/ptrace/ptrace-pkey.c

@@ -9,18 +9,6 @@
 #include "child.h"
 #include "pkeys.h"
 
-#ifndef NT_PPC_PKEY
-#define NT_PPC_PKEY		0x110
-#endif
-
-#ifndef PKEY_DISABLE_EXECUTE
-#define PKEY_DISABLE_EXECUTE	0x4
-#endif
-
-#define AMR_BITS_PER_PKEY 2
-#define PKEY_REG_BITS (sizeof(u64) * 8)
-#define pkeyshift(pkey) (PKEY_REG_BITS - ((pkey + 1) * AMR_BITS_PER_PKEY))
-
 static const char user_read[] = "[User Read (Running)]";
 static const char user_write[] = "[User Write (Running)]";
 static const char ptrace_read_running[] = "[Ptrace Read (Running)]";