Retro68/elfutils/backends/ppc_corenote.c

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/* 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"