Initial s390-tools-2.0.0 import

This commit is based on the s390-tools-1.39.0 version.

Changes on top of s390-tools-1.39.0:

 - Add MIT license to all source files
 - Add LICENSE file
 - Transform REAMDE to README.md (markdown)
 - Add AUTHORS.md file
 - Add CONTRIBUTING.md file
 - Move changelog from README to CHANGELOG.md file

Reviewed-by: Stefan Haberland <sth@linux.vnet.ibm.com>
Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>

libvmdump/register_content.cpp

@@ -0,0 +1,76 @@
+/*
+ * vmdump - z/VM dump conversion library
+ *
+ * Register content classes
+ *
+ * Copyright IBM Corp. 2004, 2017
+ *
+ * s390-tools is free software; you can redistribute it and/or modify
+ * it under the terms of the MIT license. See LICENSE for details.
+ */
+
+#include <string.h>
+
+#include "register_content.h"
+#include "dump.h"
+
+RegisterContent32::RegisterContent32(void)
+	: regSets(), nrCpus(0)
+{
+}
+
+RegisterContent32::RegisterContent32(const RegisterContent32& r)
+{
+	nrCpus = r.nrCpus;
+	memcpy(&regSets,&r.regSets,sizeof(regSets));
+}
+
+void RegisterContent32::addRegisterSet(const RegisterSet32& rs)
+{
+	if(nrCpus < MAX_CPUS){
+		regSets[nrCpus++] = rs;
+	} else {
+		throw(DumpException("RegisterContent32::addRegisterSet - " \
+				    "No more register sets available"));
+	}
+}
+
+RegisterSet32 RegisterContent32::getRegisterSet(int cpu){
+	if(cpu <= nrCpus){
+		return regSets[cpu];
+	} else {
+		throw(DumpException("RegisterContent32::getRegisterSet - " \
+				    "No register set for cpu"));
+	}
+}
+
+RegisterContent64::RegisterContent64(void)
+	: regSets(), nrCpus(0)
+{
+}
+
+RegisterContent64::RegisterContent64(const RegisterContent64& r)
+{
+	nrCpus = r.nrCpus;
+	memcpy(&regSets,&r.regSets,sizeof(regSets));
+}
+
+void RegisterContent64::addRegisterSet(const RegisterSet64& rs)
+{
+	if(nrCpus < MAX_CPUS){
+		regSets[nrCpus++] = rs;
+	} else {
+		throw(DumpException("RegisterContent64::addRegisterSet - " \
+				    "No more register sets available"));
+	}
+}
+
+RegisterSet64 RegisterContent64::getRegisterSet(int cpu)
+{
+	if(cpu <= nrCpus){
+		return regSets[cpu];
+	} else {
+		throw(DumpException("RegisterContent64::getRegisterSet - " \
+				    "No register set for cpu"));
+	}
+}