98 lines
3.7 KiB
C
98 lines
3.7 KiB
C
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/* Parameters for Hewlett-Packard 9000/300 native support under bsd.
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Copyright 1986, 1987, 1989, 1991, 1992, 1993 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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/* This is a hack. This is only a hack. Were this a common source file,
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rather than a config file specific to BSD on HP 68k's, you would have
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been instructed to clean this up. As it is, clean it up if FSF's
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HP's-running-ancient-BSD ever go away. */
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#include <errno.h>
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#ifdef EPROCUNAVAIL
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/* BSD 4.4 alpha or better */
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/* We can attach to processes using ptrace. */
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#define ATTACH_DETACH
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#define PTRACE_ATTACH 10
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#define PTRACE_DETACH 11
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/* The third argument of ptrace is declared as this type. */
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#define PTRACE_ARG3_TYPE caddr_t
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/* U_REGS_OFFSET is the offset of the registers within the u area for
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ptrace purposes. */
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#define U_REGS_OFFSET \
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ptrace (PT_READ_U, inferior_pid, \
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(PTRACE_ARG3_TYPE) \
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(offsetof (struct user, u_kproc.kp_proc.p_md.md_regs)), 0) \
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- USRSTACK
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/* This is a piece of magic that is given a register number REGNO
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and as BLOCKEND the address in the system of the end of the user structure
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and stores in ADDR the address in the kernel or core dump
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of that register. */
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#define REGISTER_U_ADDR(addr, blockend, regno) \
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{ \
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if (regno < PS_REGNUM) \
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addr = (int) &((struct frame *)(blockend))->f_regs[regno]; \
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else if (regno == PS_REGNUM) \
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addr = (int) &((struct frame *)(blockend))->f_stackadj; \
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else if (regno == PC_REGNUM) \
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addr = (int) &((struct frame *)(blockend))->f_pc; \
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else if (regno < FPC_REGNUM) \
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addr = (int) \
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&((struct user *)0)->u_pcb.pcb_fpregs.fpf_regs[((regno)-FP0_REGNUM)*3];\
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else if (regno == FPC_REGNUM) \
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addr = (int) &((struct user *)0)->u_pcb.pcb_fpregs.fpf_fpcr; \
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else if (regno == FPS_REGNUM) \
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addr = (int) &((struct user *)0)->u_pcb.pcb_fpregs.fpf_fpsr; \
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else \
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addr = (int) &((struct user *)0)->u_pcb.pcb_fpregs.fpf_fpiar; \
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}
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#else
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/* THIS IS BSD 4.3 or something like it. */
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/* This is a piece of magic that is given a register number REGNO
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and as BLOCKEND the address in the system of the end of the user structure
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and stores in ADDR the address in the kernel or core dump
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of that register. */
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#define REGISTER_U_ADDR(addr, blockend, regno) \
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{ \
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if (regno < PS_REGNUM) \
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addr = (int) &((struct frame *)(blockend))->f_regs[regno]; \
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else if (regno == PS_REGNUM) \
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addr = (int) &((struct frame *)(blockend))->f_stackadj; \
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else if (regno == PC_REGNUM) \
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addr = (int) &((struct frame *)(blockend))->f_pc; \
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else if (regno < FPC_REGNUM) \
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addr = (int) \
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&((struct user *)0)->u_pcb.pcb_fpregs.fpf_regs[((regno)-FP0_REGNUM)*3];\
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else if (regno == FPC_REGNUM) \
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addr = (int) &((struct user *)0)->u_pcb.pcb_fpregs.fpf_fpcr; \
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else if (regno == FPS_REGNUM) \
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addr = (int) &((struct user *)0)->u_pcb.pcb_fpregs.fpf_fpsr; \
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else \
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addr = (int) &((struct user *)0)->u_pcb.pcb_fpregs.fpf_fpiar; \
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}
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#endif
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