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62 lines
2.6 KiB
C
62 lines
2.6 KiB
C
/* Native support for i386 running Solaris 2.
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Copyright 1998, 1999, 2000 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., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include "config/nm-sysv4.h"
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#ifdef NEW_PROC_API /* Solaris 6 and above can do HW watchpoints */
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#define TARGET_HAS_HARDWARE_WATCHPOINTS
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/* The man page for proc4 on solaris 6 and 7 says that the system
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can support "thousands" of hardware watchpoints, but gives no
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method for finding out how many. So just tell GDB 'yes'. */
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#define TARGET_CAN_USE_HARDWARE_WATCHPOINT(TYPE, CNT, OT) 1
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#define TARGET_REGION_SIZE_OK_FOR_HW_WATCHPOINT(SIZE) 1
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/* When a hardware watchpoint fires off the PC will be left at the
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instruction following the one which caused the watchpoint.
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It will *NOT* be necessary for GDB to step over the watchpoint. */
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#define HAVE_CONTINUABLE_WATCHPOINT 1
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/* Solaris x86 2.6 and 2.7 targets have a kernel bug when stepping
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over an instruction that causes a page fault without triggering
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a hardware watchpoint. The kernel properly notices that it shouldn't
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stop, because the hardware watchpoint is not triggered, but it forgets
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the step request and continues the program normally.
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Work around the problem by removing hardware watchpoints if a step is
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requested, GDB will check for a hardware watchpoint trigger after the
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step anyway. */
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#define CANNOT_STEP_HW_WATCHPOINTS
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extern int procfs_stopped_by_watchpoint (ptid_t);
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#define STOPPED_BY_WATCHPOINT(W) \
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procfs_stopped_by_watchpoint(inferior_ptid)
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/* Use these macros for watchpoint insertion/deletion. */
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/* type can be 0: write watch, 1: read watch, 2: access watch (read/write) */
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extern int procfs_set_watchpoint (ptid_t, CORE_ADDR, int, int, int);
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#define target_insert_watchpoint(ADDR, LEN, TYPE) \
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procfs_set_watchpoint (inferior_ptid, ADDR, LEN, TYPE, 1)
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#define target_remove_watchpoint(ADDR, LEN, TYPE) \
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procfs_set_watchpoint (inferior_ptid, ADDR, 0, 0, 0)
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#endif /* NEW_PROC_API */
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