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>

zdump/df_elf.h

@@ -0,0 +1,117 @@
+/*
+ * zgetdump - Tool for copying and converting System z dumps
+ *
+ * ELF core dump format definitions
+ *
+ * Copyright IBM Corp. 2001, 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.
+ */
+
+#ifndef DF_ELF_H
+#define DF_ELF_H
+
+#include <elf.h>
+#include <linux/types.h>
+
+#include "dfo.h"
+#include "zg.h"
+
+/*
+ * S390 CPU timer note (u64)
+ */
+#ifndef NT_S390_TIMER
+#define NT_S390_TIMER 0x301
+#endif
+
+/*
+ * S390 TOD clock comparator note (u64)
+ */
+#ifndef NT_S390_TODCMP
+#define NT_S390_TODCMP 0x302
+#endif
+
+/*
+ * S390 TOD programmable register note (u32)
+ */
+#ifndef NT_S390_TODPREG
+#define NT_S390_TODPREG 0x303
+#endif
+
+/*
+ * S390 control registers note (16 * u32)
+ */
+#ifndef NT_S390_CTRS
+#define NT_S390_CTRS 0x304
+#endif
+
+/*
+ * S390 prefix note (u32)
+ */
+#ifndef NT_S390_PREFIX
+#define NT_S390_PREFIX 0x305
+#endif
+
+/*
+ * S390 vector registers 0-15 upper half note (16 * u64)
+ */
+#ifndef NT_S390_VXRS_LOW
+#define NT_S390_VXRS_LOW 0x309
+#endif
+
+/*
+ * S390 vector registers 16-31 note (16 * u128)
+ */
+#ifndef NT_S390_VXRS_HIGH
+#define NT_S390_VXRS_HIGH 0x30a
+#endif
+
+/*
+ * prstatus ELF Note
+ */
+struct nt_prstatus_64 {
+	u8	pad1[32];
+	u32	pr_pid;
+	u8	pad2[76];
+	u64	psw[2];
+	u64	gprs[16];
+	u32	acrs[16];
+	u64	orig_gpr2;
+	u32	pr_fpvalid;
+	u8	pad3[4];
+} __attribute__ ((packed));
+
+/*
+ * fpregset ELF Note
+ */
+struct nt_fpregset_64 {
+	u32	fpc;
+	u32	pad;
+	u64	fprs[16];
+} __attribute__ ((packed));
+
+/*
+ * prpsinfo ELF Note
+ */
+struct nt_prpsinfo_64 {
+	char	pr_state;
+	char	pr_sname;
+	char	pr_zomb;
+	char	pr_nice;
+	u64	pr_flag;
+	u32	pr_uid;
+	u32	pr_gid;
+	u32	pr_pid, pr_ppid, pr_pgrp, pr_sid;
+	char	pr_fname[16];
+	char	pr_psargs[80];
+};
+
+static inline void df_elf_ensure_s390x(void)
+{
+#ifndef __s390x__
+	ERR_EXIT("The ELF dump format is only supported on s390x (64 bit)");
+#endif
+}
+
+#endif /* DF_ELF_H */