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- /*-
- * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
- *
- * Copyright (c) 2006 Marcel Moolenaar
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
- * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * $FreeBSD$
- */
- #ifndef _MACHINE_GDB_MACHDEP_H_
- #define _MACHINE_GDB_MACHDEP_H_
- #ifdef BOOKE
- #define PPC_GDB_NREGS0 1
- #define PPC_GDB_NREGS4 (70 + 1)
- #define PPC_GDB_NREGS8 (1 + 32)
- #define PPC_GDB_NREGS16 0
- #else
- /*
- * 0 - 32*GPR(4/8)
- * 32 - 32*FPR(8)
- * 64 - PC, PS (4/8)
- * 66 - CR (4)
- * 67 - LR, CTR (4/8)
- * 69 - XER, FPSCR (4)
- * 71 - 32*VR(16)
- * 103 - VSCR, VRSAVE (4)
- */
- #define PPC_REGNUM_R0 0
- #define PPC_REGNUM_R31 (PPC_REGNUM_R0 + 31)
- #define PPC_REGNUM_FR0 32
- #define PPC_REGNUM_FR31 (PPC_REGNUM_FR0 + 31)
- #define PPC_REGNUM_PC 64
- #define PPC_REGNUM_PS 65
- #define PPC_REGNUM_CR 66
- #define PPC_REGNUM_LR 67
- #define PPC_REGNUM_CTR 68
- #define PPC_REGNUM_XER 69
- #define PPC_REGNUM_FPSCR 70
- #define PPC_REGNUM_VR0 71
- #define PPC_REGNUM_VR31 (PPC_REGNUM_VR0 + 31)
- #define PPC_GDB_NREGS0 0
- #ifdef __powerpc64__
- #define PPC_GDB_NREGS4 5
- #define PPC_GDB_NREGS8 (64 + 4)
- #else
- #define PPC_GDB_NREGS4 (32 + 7 + 2)
- #define PPC_GDB_NREGS8 32
- #endif
- #define PPC_GDB_NREGS16 32
- #endif
- #define GDB_NREGS (PPC_GDB_NREGS0 + PPC_GDB_NREGS4 + \
- PPC_GDB_NREGS8 + PPC_GDB_NREGS16)
- #define GDB_REG_PC 64
- #define GDB_BUFSZ (PPC_GDB_NREGS4 * 8 + \
- PPC_GDB_NREGS8 * 16 + \
- PPC_GDB_NREGS16 * 32)
- static __inline size_t
- gdb_cpu_regsz(int regnum)
- {
- #ifdef BOOKE
- if (regnum == 70)
- return (0);
- if (regnum == 71 || regnum >= 73)
- return (8);
- #else
- #ifdef __powerpc64__
- if ((regnum >= PPC_REGNUM_R0 && regnum <= PPC_REGNUM_PS) ||
- regnum == PPC_REGNUM_LR || regnum == PPC_REGNUM_CTR)
- return (8);
- #else
- if (regnum >= PPC_REGNUM_FR0 && regnum <= PPC_REGNUM_FR31)
- return (8);
- #endif
- if (regnum >= PPC_REGNUM_VR0 && regnum <= PPC_REGNUM_VR31)
- return (16);
- #endif
- return (4);
- }
- static __inline int
- gdb_cpu_query(void)
- {
- return (0);
- }
- static __inline void *
- gdb_begin_write(void)
- {
- return (NULL);
- }
- static __inline void
- gdb_end_write(void *arg __unused)
- {
- }
- void *gdb_cpu_getreg(int, size_t *);
- void gdb_cpu_setreg(int, void *);
- int gdb_cpu_signal(int, int);
- void gdb_cpu_do_offsets(void);
- #endif /* !_MACHINE_GDB_MACHDEP_H_ */
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