Squashed 'third_party/elfutils/' content from commit 555e15e

Change-Id: I61cde98949e47e5c8c09c33260de17f30921be79
git-subtree-dir: third_party/elfutils
git-subtree-split: 555e15ebe8bf1eb33d00747173cfc80cc65648a4
diff --git a/backends/ppc_corenote.c b/backends/ppc_corenote.c
new file mode 100644
index 0000000..2b4ada7
--- /dev/null
+++ b/backends/ppc_corenote.c
@@ -0,0 +1,145 @@
+/* PowerPC specific core note handling.
+   Copyright (C) 2007, 2008 Red Hat, Inc.
+   This file is part of elfutils.
+
+   This file is free software; you can redistribute it and/or modify
+   it under the terms of either
+
+     * the GNU Lesser General Public License as published by the Free
+       Software Foundation; either version 3 of the License, or (at
+       your option) any later version
+
+   or
+
+     * the GNU General Public License as published by the Free
+       Software Foundation; either version 2 of the License, or (at
+       your option) any later version
+
+   or both in parallel, as here.
+
+   elfutils is distributed in the hope that it will be useful, but
+   WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   General Public License for more details.
+
+   You should have received copies of the GNU General Public License and
+   the GNU Lesser General Public License along with this program.  If
+   not, see <http://www.gnu.org/licenses/>.  */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <elf.h>
+#include <inttypes.h>
+#include <stddef.h>
+#include <stdio.h>
+#include <sys/time.h>
+
+#ifndef BITS
+# define BITS 		32
+# define BACKEND	ppc_
+#else
+# define BITS 		64
+# define BACKEND	ppc64_
+#endif
+#include "libebl_CPU.h"
+
+static const Ebl_Register_Location prstatus_regs[] =
+  {
+#define GR(at, n, dwreg)						\
+    { .offset = at * BITS/8, .regno = dwreg, .count = n, .bits = BITS }
+
+    GR (0, 32, 0),		/* r0-r31 */
+    /*	32, 1,			   nip */
+    GR (33, 1, 66),		/* msr */
+    /*	34, 1,			   orig_gpr3 */
+    GR (35, 1, 109),		/* ctr */
+    GR (36, 1, 108),		/* lr */
+    GR (37, 1, 101),		/* xer */
+    GR (38, 1, 64),		/* cr */
+    GR (39, 1, 100),		/* mq */
+    /*  40, 1,			   trap */
+    GR (41, 1, 119),		/* dar */
+    GR (42, 1, 118),		/* dsisr */
+
+#undef	GR
+  };
+#define PRSTATUS_REGS_SIZE	(BITS / 8 * 48)
+
+static const Ebl_Register_Location fpregset_regs[] =
+  {
+    { .offset = 0, .regno = 32, .count = 32, .bits = 64 }, /* f0-f31 */
+    { .offset = 32 * 8 + 4, .regno = 65, .count = 1, .bits = 32 } /* fpscr */
+  };
+#define FPREGSET_SIZE		(33 * 8)
+
+static const Ebl_Register_Location altivec_regs[] =
+  {
+    /* vr0-vr31 */
+    { .offset = 0, .regno = 1124, .count = 32, .bits = 128 },
+    /* vscr XXX 67 is an unofficial assignment */
+    { .offset = 32 * 16, .regno = 67, .count = 1, .bits = 32, .pad = 12 },
+    /* vrsave */
+    { .offset = 33 * 16, .regno = 356, .count = 1, .bits = 32, .pad = 12 }
+  };
+
+static const Ebl_Register_Location spe_regs[] =
+  {
+    /* evr0-evr31
+    { .offset = 0, .regno = ???, .count = 32, .bits = 32 },
+     * acc *
+    { .offset = 32 * 4, .regno = ???, .count = 1, .bits = 64 }, */
+    /* spefscr */
+    { .offset = 34 * 4, .regno = 612, .count = 1, .bits = 32 }
+  };
+
+static const Ebl_Register_Location tm_spr_regs[] =
+  {
+    /* tfhar */
+    { .offset = 0, .regno = 114, .count = 1, .bits = 64 },
+    /* texasr */
+    { .offset = 8, .regno = 116, .count = 1, .bits = 64 },
+    /* tfiar */
+    { .offset = 16, .regno = 115, .count = 1, .bits = 64 }
+  };
+
+#define EXTRA_NOTES \
+  EXTRA_REGSET (NT_PPC_VMX, 34 * 16, altivec_regs) \
+  EXTRA_REGSET (NT_PPC_SPE, 35 * 4, spe_regs) \
+  EXTRA_REGSET (NT_PPC_TM_SPR, 3 * 8, tm_spr_regs)
+
+#if BITS == 32
+# define ULONG			uint32_t
+# define ALIGN_ULONG		4
+# define TYPE_ULONG		ELF_T_WORD
+# define TYPE_LONG		ELF_T_SWORD
+#else
+# define ULONG			uint64_t
+# define ALIGN_ULONG		8
+# define TYPE_ULONG		ELF_T_XWORD
+# define TYPE_LONG		ELF_T_SXWORD
+#endif
+#define PID_T			int32_t
+#define	UID_T			uint32_t
+#define	GID_T			uint32_t
+#define ALIGN_PID_T		4
+#define ALIGN_UID_T		4
+#define ALIGN_GID_T		4
+#define TYPE_PID_T		ELF_T_SWORD
+#define TYPE_UID_T		ELF_T_WORD
+#define TYPE_GID_T		ELF_T_WORD
+
+#define PRSTATUS_REGSET_ITEMS						      \
+  {									      \
+    .name = "nip", .type = ELF_T_ADDR, .format = 'x',			      \
+    .offset = offsetof (struct EBLHOOK(prstatus), pr_reg[32]),		      \
+    .group = "register", .pc_register = true				      \
+  },								      	      \
+  {									      \
+    .name = "orig_gpr3", .type = TYPE_LONG, .format = 'd',		      \
+    .offset = offsetof (struct EBLHOOK(prstatus), pr_reg[34]),		      \
+    .group = "register"	       			  	       	 	      \
+  }
+
+#include "linux-core-note.c"