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