97 lines
3.0 KiB
C
97 lines
3.0 KiB
C
/* Native definitions for alpha running FreeBSD.
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Copyright (C) 1993, 1994 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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/* Figure out where the longjmp will land. We expect that we have just entered
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longjmp and haven't yet setup the stack frame, so the args are still in the
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argument regs. A0_REGNUM points at the jmp_buf structure from which we
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extract the pc (JB_PC) that we will land at. The pc is copied into ADDR.
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This routine returns true on success */
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/* $FreeBSD$ */
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#define GET_LONGJMP_TARGET(ADDR) get_longjmp_target(ADDR)
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extern int
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get_longjmp_target PARAMS ((CORE_ADDR *));
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/* Tell gdb that we can attach and detach other processes */
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#define ATTACH_DETACH
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/* We define our own fetch/store methods */
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#define FETCH_INFERIOR_REGISTERS
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extern CORE_ADDR alpha_u_regs_offset();
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#define U_REGS_OFFSET alpha_u_regs_offset()
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#define PTRACE_ARG3_TYPE char*
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/* ptrace transfers longs, the ptrace man page is lying. */
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#define PTRACE_XFER_TYPE int
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/* The alpha does not step over a breakpoint, the manpage is lying again. */
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#define CANNOT_STEP_BREAKPOINT
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/* Linux has shared libraries. */
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#define GDB_TARGET_HAS_SHARED_LIBS
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/* Support for shared libraries. */
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#include "solib.h"
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#ifdef __ELF__
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#define SVR4_SHARED_LIBS
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#define TARGET_ELF64
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#endif
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/* This is a lie. It's actually in stdio.h. */
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#define PSIGNAL_IN_SIGNAL_H
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/* Given a pointer to either a gregset_t or fpregset_t, return a
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pointer to the first register. */
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#define ALPHA_REGSET_BASE(regsetp) ((long *) (regsetp))
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extern int kernel_debugging;
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extern int kernel_writablecore;
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#define ADDITIONAL_OPTIONS \
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{"kernel", no_argument, &kernel_debugging, 1}, \
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{"k", no_argument, &kernel_debugging, 1}, \
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{"wcore", no_argument, &kernel_writablecore, 1}, \
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{"w", no_argument, &kernel_writablecore, 1},
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#define ADDITIONAL_OPTION_HELP \
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"\
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--kernel Enable kernel debugging.\n\
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--wcore Make core file writable (only works for /dev/mem).\n\
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This option only works while debugging a kernel !!\n\
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"
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#define DEFAULT_PROMPT kernel_debugging?"(kgdb) ":"(gdb) "
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/* misuse START_PROGRESS to test whether we're running as kgdb */
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/* START_PROGRESS is called at the top of main */
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#undef START_PROGRESS
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#define START_PROGRESS(STR,N) \
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if (!strcmp(STR, "kgdb")) \
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kernel_debugging = 1;
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