[v2,1/6] Add support to readelf for reading FreeBSD ELF core notes.

diff --git a/binutils/ChangeLog b/binutils/ChangeLog
index 21dcb2c..47773c9 100644
--- a/binutils/ChangeLog
+++ b/binutils/ChangeLog
@@ -1,3 +1,8 @@ 
+2016-01-09  John Baldwin  <jhb@FreeBSD.org>
+
+	* readelf.c (get_freebsd_elfcore_note_type): New
+	(process_note): Add support for FreeBSD core notes.
+
 2016-01-01  Alan Modra  <amodra@gmail.com>
 
 	Update year range in copyright notice of all files.
diff --git a/binutils/readelf.c b/binutils/readelf.c
index 47ac1ad..fa9cda1 100644
--- a/binutils/readelf.c
+++ b/binutils/readelf.c
@@ -15388,6 +15388,37 @@  process_netbsd_elf_note (Elf_Internal_Note * pnote)
 }
 
 static const char *
+get_freebsd_elfcore_note_type (unsigned e_type)
+{
+  static char buff[64];
+
+  switch (e_type)
+    {
+    case NT_FREEBSD_THRMISC:
+      return _("NT_THRMISC (thrmisc structure)");
+    case NT_FREEBSD_PROCSTAT_PROC:
+      return _("NT_PROCSTAT_PROC (proc data)");
+    case NT_FREEBSD_PROCSTAT_FILES:
+      return _("NT_PROCSTAT_FILES (files data)");
+    case NT_FREEBSD_PROCSTAT_VMMAP:
+      return _("NT_PROCSTAT_VMMAP (vmmap data)");
+    case NT_FREEBSD_PROCSTAT_GROUPS:
+      return _("NT_PROCSTAT_GROUPS (groups data)");
+    case NT_FREEBSD_PROCSTAT_UMASK:
+      return _("NT_PROCSTAT_UMASK (umask data)");
+    case NT_FREEBSD_PROCSTAT_RLIMIT:
+      return _("NT_PROCSTAT_RLIMIT (rlimit data)");
+    case NT_FREEBSD_PROCSTAT_OSREL:
+      return _("NT_PROCSTAT_OSREL (osreldate data)");
+    case NT_FREEBSD_PROCSTAT_PSSTRINGS:
+      return _("NT_PROCSTAT_PSSTRINGS (ps_strings data)");
+    case NT_FREEBSD_PROCSTAT_AUXV:
+      return _("NT_PROCSTAT_AUXV (auxv data)");
+    }
+  return get_note_type (e_type);
+}
+
+static const char *
 get_netbsd_elfcore_note_type (unsigned e_type)
 {
   static char buff[64];
@@ -15636,6 +15667,10 @@  process_note (Elf_Internal_Note * pnote)
     /* GNU-specific object file notes.  */
     nt = get_gnu_elf_note_type (pnote->type);
 
+  else if (const_strneq (pnote->namedata, "FreeBSD"))
+    /* FreeBSD-specific core file notes.  */
+    nt = get_freebsd_elfcore_note_type (pnote->type);
+
   else if (const_strneq (pnote->namedata, "NetBSD-CORE"))
     /* NetBSD-specific core file notes.  */
     nt = get_netbsd_elfcore_note_type (pnote->type);
diff --git a/include/elf/ChangeLog b/include/elf/ChangeLog
new file mode 100644
index 0000000..821a8bc
--- /dev/null
+++ b/include/elf/ChangeLog
@@ -0,0 +1,27 @@ 
+2016-01-09  John Baldwin  <jhb@FreeBSD.org>
+
+	* common.h (NT_FREEBSD_THRMISC): Define.
+	(NT_FREEBSD_PROCSTAT_PROC): Define.
+	(NT_FREEBSD_PROCSTAT_FILES): Define.
+	(NT_FREEBSD_PROCSTAT_VMMAP): Define.
+	(NT_FREEBSD_PROCSTAT_GROUPS): Define.
+	(NT_FREEBSD_PROCSTAT_UMASK): Define.
+	(NT_FREEBSD_PROCSTAT_RLIMIT): Define.
+	(NT_FREEBSD_PROCSTAT_OSREL): Define.
+	(NT_FREEBSD_PROCSTAT_PSSTRINGS): Define.
+	(NT_FREEBSD_PROCSTAT_AUXV): Define.
+
+For older changes see ChangeLog-0415
+
+Copyright (C) 2016 Free Software Foundation, Inc.
+
+Copying and distribution of this file, with or without modification,
+are permitted in any medium without royalty provided the copyright
+notice and this notice are preserved.
+
+Local Variables:
+mode: change-log
+left-margin: 8
+fill-column: 74
+version-control: never
+End:
diff --git a/include/elf/common.h b/include/elf/common.h
index ce506fc..767ad3e 100644
--- a/include/elf/common.h
+++ b/include/elf/common.h
@@ -595,6 +595,20 @@ 
 /* Note segment for SystemTap probes.  */
 #define NT_STAPSDT	3
 
+/* Note segments for core files on FreeBSD systems.  Note name is
+   "FreeBSD".  */
+
+#define	NT_FREEBSD_THRMISC	7	/* Thread miscellaneous info. */
+#define	NT_FREEBSD_PROCSTAT_PROC	8	/* Procstat proc data. */
+#define	NT_FREEBSD_PROCSTAT_FILES	9	/* Procstat files data. */
+#define	NT_FREEBSD_PROCSTAT_VMMAP	10	/* Procstat vmmap data. */
+#define	NT_FREEBSD_PROCSTAT_GROUPS	11	/* Procstat groups data. */
+#define	NT_FREEBSD_PROCSTAT_UMASK	12	/* Procstat umask data. */
+#define	NT_FREEBSD_PROCSTAT_RLIMIT	13	/* Procstat rlimit data. */
+#define	NT_FREEBSD_PROCSTAT_OSREL	14	/* Procstat osreldate data. */
+#define	NT_FREEBSD_PROCSTAT_PSSTRINGS	15	/* Procstat ps_strings data. */
+#define	NT_FREEBSD_PROCSTAT_AUXV	16	/* Procstat auxv data. */
+
 /* Note segments for core files on NetBSD systems.  Note name
    must start with "NetBSD-CORE".  */