Create a pseudo section for the ELF AUXV core dump note on FreeBSD.

The procstat AUXV core dump note in FreeBSD consists of 32-bit integer
followed by an array of auxiliary vector entries.

bfd/ChangeLog:

	* elf.c (elfcore_grok_freebsd_note): Handle NT_FREEBSD_PROCSTAT_AUXV
	notes.

bfd/ChangeLog

@@ -1,3 +1,8 @@
+2016-06-24  John Baldwin  <jhb@FreeBSD.org>
+
+	* elf.c (elfcore_grok_freebsd_note): Handle NT_FREEBSD_PROCSTAT_AUXV
+	notes.
+
 2016-06-24  John Baldwin  <jhb@FreeBSD.org>
 
 	* elf.c (elfcore_grok_note): Remove handling of NT_X86_XSTATE for

bfd/elf.c

@@ -9663,6 +9663,20 @@ elfcore_grok_freebsd_note (bfd *abfd, Elf_Internal_Note *note)
       else
 	return TRUE;
 
+    case NT_FREEBSD_PROCSTAT_AUXV:
+      {
+	asection *sect = bfd_make_section_anyway_with_flags (abfd, ".auxv",
+							     SEC_HAS_CONTENTS);
+
+	if (sect == NULL)
+	  return FALSE;
+	sect->size = note->descsz - 4;
+	sect->filepos = note->descpos + 4;
+	sect->alignment_power = 1 + bfd_get_arch_size (abfd) / 32;
+
+	return TRUE;
+      }
+
     case NT_X86_XSTATE:
       if (note->namesz == 8)
 	return elfcore_grok_xstatereg (abfd, note);