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/* Copyright (C) 1995-2023 Free Software Foundation, Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program 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 a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#ifndef NAT_PPC_LINUX_H
#define NAT_PPC_LINUX_H
#include <asm/ptrace.h>
#include <asm/cputable.h>
/* This sometimes isn't defined. */
#ifndef PT_ORIG_R3
#define PT_ORIG_R3 34
#endif
#ifndef PT_TRAP
#define PT_TRAP 40
#endif
/* The PPC_FEATURE_* defines should be provided by <asm/cputable.h>.
If they aren't, we can provide them ourselves (their values are fixed
because they are part of the kernel ABI). They are used in the AT_HWCAP
entry of the AUXV. */
#ifndef PPC_FEATURE_BOOKE
#define PPC_FEATURE_BOOKE 0x00008000
#endif
#ifndef PPC_FEATURE_HAS_DFP
#define PPC_FEATURE_HAS_DFP 0x00000400 /* Decimal Floating Point. */
#endif
#ifndef PPC_FEATURE_HAS_VSX
#define PPC_FEATURE_HAS_VSX 0x00000080
#endif
#ifndef PPC_FEATURE_HAS_ALTIVEC
#define PPC_FEATURE_HAS_ALTIVEC 0x10000000
#endif
#ifndef PPC_FEATURE_HAS_SPE
#define PPC_FEATURE_HAS_SPE 0x00800000
#endif
#ifndef PPC_FEATURE2_DSCR
#define PPC_FEATURE2_DSCR 0x20000000
#endif
#ifndef PPC_FEATURE2_ARCH_2_07
#define PPC_FEATURE2_ARCH_2_07 0x80000000
#endif
#ifndef PPC_FEATURE2_TAR
#define PPC_FEATURE2_TAR 0x04000000
#endif
#ifndef PPC_FEATURE2_EBB
#define PPC_FEATURE2_EBB 0x10000000
#endif
#ifndef PPC_FEATURE2_HTM
#define PPC_FEATURE2_HTM 0x40000000
#endif
/* Glibc's headers don't define PTRACE_GETVRREGS so we cannot use a
configure time check. Some older glibc's (for instance 2.2.1)
don't have a specific powerpc version of ptrace.h, and fall back on
a generic one. In such cases, sys/ptrace.h defines
PTRACE_GETFPXREGS and PTRACE_SETFPXREGS to the same numbers that
ppc kernel's asm/ptrace.h defines PTRACE_GETVRREGS and
PTRACE_SETVRREGS to be. This also makes a configury check pretty
much useless. */
/* These definitions should really come from the glibc header files,
but Glibc doesn't know about the vrregs yet. */
#ifndef PTRACE_GETVRREGS
#define PTRACE_GETVRREGS 18
#define PTRACE_SETVRREGS 19
#endif
/* PTRACE requests for POWER7 VSX registers. */
#ifndef PTRACE_GETVSXREGS
#define PTRACE_GETVSXREGS 27
#define PTRACE_SETVSXREGS 28
#endif
/* Similarly for the ptrace requests for getting / setting the SPE
registers (ev0 -- ev31, acc, and spefscr). See the description of
gdb_evrregset_t for details. */
#ifndef PTRACE_GETEVRREGS
#define PTRACE_GETEVRREGS 20
#define PTRACE_SETEVRREGS 21
#endif
/* Target Address Register. */
#ifndef NT_PPC_TAR
#define NT_PPC_TAR 0x103
#endif
/* Program Priority Register. */
#ifndef NT_PPC_PPR
#define NT_PPC_PPR 0x104
#endif
/* Data Stream Control Register. */
#ifndef NT_PPC_DSCR
#define NT_PPC_DSCR 0x105
#endif
/* Event Based Branch Registers. */
#ifndef NT_PPC_EBB
#define NT_PPC_EBB 0x106
#endif
/* Performance Monitor Registers. */
#ifndef NT_PPC_PMU
#define NT_PPC_PMU 0x107
#endif
/* TM checkpointed GPR Registers. */
#ifndef NT_PPC_TM_CGPR
#define NT_PPC_TM_CGPR 0x108
#endif
/* TM checkpointed FPR Registers. */
#ifndef NT_PPC_TM_CFPR
#define NT_PPC_TM_CFPR 0x109
#endif
/* TM checkpointed VMX Registers. */
#ifndef NT_PPC_TM_CVMX
#define NT_PPC_TM_CVMX 0x10a
#endif
/* TM checkpointed VSX Registers. */
#ifndef NT_PPC_TM_CVSX
#define NT_PPC_TM_CVSX 0x10b
#endif
/* TM Special Purpose Registers. */
#ifndef NT_PPC_TM_SPR
#define NT_PPC_TM_SPR 0x10c
#endif
/* TM checkpointed Target Address Register. */
#ifndef NT_PPC_TM_CTAR
#define NT_PPC_TM_CTAR 0x10d
#endif
/* TM checkpointed Program Priority Register. */
#ifndef NT_PPC_TM_CPPR
#define NT_PPC_TM_CPPR 0x10e
#endif
/* TM checkpointed Data Stream Control Register. */
#ifndef NT_PPC_TM_CDSCR
#define NT_PPC_TM_CDSCR 0x10f
#endif
/* Return the wordsize of the target, either 4 or 8 bytes. */
int ppc_linux_target_wordsize (int tid);
#endif /* NAT_PPC_LINUX_H */
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