| 1 |
1181 |
sfurman |
/* Parameters for Hewlett-Packard 9000/300 native support under bsd.
|
| 2 |
|
|
Copyright 1986, 1987, 1989, 1991, 1992, 1993
|
| 3 |
|
|
Free Software Foundation, Inc.
|
| 4 |
|
|
|
| 5 |
|
|
This file is part of GDB.
|
| 6 |
|
|
|
| 7 |
|
|
This program is free software; you can redistribute it and/or modify
|
| 8 |
|
|
it under the terms of the GNU General Public License as published by
|
| 9 |
|
|
the Free Software Foundation; either version 2 of the License, or
|
| 10 |
|
|
(at your option) any later version.
|
| 11 |
|
|
|
| 12 |
|
|
This program is distributed in the hope that it will be useful,
|
| 13 |
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
| 14 |
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
| 15 |
|
|
GNU General Public License for more details.
|
| 16 |
|
|
|
| 17 |
|
|
You should have received a copy of the GNU General Public License
|
| 18 |
|
|
along with this program; if not, write to the Free Software
|
| 19 |
|
|
Foundation, Inc., 59 Temple Place - Suite 330,
|
| 20 |
|
|
Boston, MA 02111-1307, USA. */
|
| 21 |
|
|
|
| 22 |
|
|
/* Detect whether this is 4.3 or 4.4. */
|
| 23 |
|
|
|
| 24 |
|
|
#include <errno.h>
|
| 25 |
|
|
#include <sys/param.h>
|
| 26 |
|
|
#ifdef BSD4_4
|
| 27 |
|
|
|
| 28 |
|
|
/* BSD 4.4 alpha or better */
|
| 29 |
|
|
|
| 30 |
|
|
/* We can attach to processes using ptrace. */
|
| 31 |
|
|
|
| 32 |
|
|
#define ATTACH_DETACH
|
| 33 |
|
|
#define PTRACE_ATTACH 10
|
| 34 |
|
|
#define PTRACE_DETACH 11
|
| 35 |
|
|
|
| 36 |
|
|
/* The third argument of ptrace is declared as this type. */
|
| 37 |
|
|
|
| 38 |
|
|
#define PTRACE_ARG3_TYPE caddr_t
|
| 39 |
|
|
|
| 40 |
|
|
/* U_REGS_OFFSET is the offset of the registers within the u area for
|
| 41 |
|
|
ptrace purposes. */
|
| 42 |
|
|
#define U_REGS_OFFSET \
|
| 43 |
|
|
ptrace (PT_READ_U, PIDGET (inferior_ptid), \
|
| 44 |
|
|
(PTRACE_ARG3_TYPE) \
|
| 45 |
|
|
(offsetof (struct user, u_kproc.kp_proc.p_md.md_regs)), 0) \
|
| 46 |
|
|
- USRSTACK
|
| 47 |
|
|
|
| 48 |
|
|
/* No user structure in 4.4, registers are relative to kernel stack
|
| 49 |
|
|
which is fixed. */
|
| 50 |
|
|
#define KERNEL_U_ADDR 0xFFF00000
|
| 51 |
|
|
|
| 52 |
|
|
/* FIXME: Is ONE_PROCESS_WRITETEXT still true now that the kernel has
|
| 53 |
|
|
copy-on-write? It not, move it to the 4.3-specific section below
|
| 54 |
|
|
(now it is in xm-hp300bsd.h). */
|
| 55 |
|
|
|
| 56 |
|
|
#else
|
| 57 |
|
|
|
| 58 |
|
|
/* This is BSD 4.3 or something like it. */
|
| 59 |
|
|
|
| 60 |
|
|
/* Get kernel u area address at run-time using BSD style nlist (). */
|
| 61 |
|
|
#define KERNEL_U_ADDR_BSD
|
| 62 |
|
|
|
| 63 |
|
|
#endif
|
| 64 |
|
|
|
| 65 |
|
|
/* This was once broken for 4.4, but probably because we had the wrong
|
| 66 |
|
|
KERNEL_U_ADDR. */
|
| 67 |
|
|
|
| 68 |
|
|
/* This is a piece of magic that is given a register number REGNO
|
| 69 |
|
|
and as BLOCKEND the address in the system of the end of the user structure
|
| 70 |
|
|
and stores in ADDR the address in the kernel or core dump
|
| 71 |
|
|
of that register. */
|
| 72 |
|
|
|
| 73 |
|
|
#define REGISTER_U_ADDR(addr, blockend, regno) \
|
| 74 |
|
|
{ \
|
| 75 |
|
|
if (regno < PS_REGNUM) \
|
| 76 |
|
|
addr = (int) &((struct frame *)(blockend))->f_regs[regno]; \
|
| 77 |
|
|
else if (regno == PS_REGNUM) \
|
| 78 |
|
|
addr = (int) &((struct frame *)(blockend))->f_stackadj; \
|
| 79 |
|
|
else if (regno == PC_REGNUM) \
|
| 80 |
|
|
addr = (int) &((struct frame *)(blockend))->f_pc; \
|
| 81 |
|
|
else if (regno < FPC_REGNUM) \
|
| 82 |
|
|
addr = (int) \
|
| 83 |
|
|
&((struct user *)0)->u_pcb.pcb_fpregs.fpf_regs[((regno)-FP0_REGNUM)*3];\
|
| 84 |
|
|
else if (regno == FPC_REGNUM) \
|
| 85 |
|
|
addr = (int) &((struct user *)0)->u_pcb.pcb_fpregs.fpf_fpcr; \
|
| 86 |
|
|
else if (regno == FPS_REGNUM) \
|
| 87 |
|
|
addr = (int) &((struct user *)0)->u_pcb.pcb_fpregs.fpf_fpsr; \
|
| 88 |
|
|
else \
|
| 89 |
|
|
addr = (int) &((struct user *)0)->u_pcb.pcb_fpregs.fpf_fpiar; \
|
| 90 |
|
|
}
|
