84 lines
2.9 KiB
C
84 lines
2.9 KiB
C
/* Native support for GNU/Linux x86.
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Copyright 1986, 1987, 1989, 1992, 1993, 1994, 1995, 1996, 1997,
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1998, 1999, 2000, 2001, 2002 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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#ifndef NM_LINUX_H
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#define NM_LINUX_H
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/* GNU/Linux supports the i386 hardware debugging registers. */
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#define I386_USE_GENERIC_WATCHPOINTS
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#include "i386/nm-i386.h"
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#include "nm-linux.h"
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/* Support for the user area. */
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/* Return the size of the user struct. */
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extern int kernel_u_size (void);
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#define KERNEL_U_SIZE kernel_u_size()
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/* This is the amount to substract from u.u_ar0 to get the offset in
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the core file of the register values. */
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#define KERNEL_U_ADDR 0
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/* Offset of the registers within the user area. */
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#define U_REGS_OFFSET 0
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extern CORE_ADDR register_u_addr (CORE_ADDR blockend, int regnum);
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#define REGISTER_U_ADDR(addr, blockend, regnum) \
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(addr) = register_u_addr (blockend, regnum)
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/* Provide access to the i386 hardware debugging registers. */
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extern void i386_linux_dr_set_control (unsigned long control);
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#define I386_DR_LOW_SET_CONTROL(control) \
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i386_linux_dr_set_control (control)
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extern void i386_linux_dr_set_addr (int regnum, CORE_ADDR addr);
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#define I386_DR_LOW_SET_ADDR(regnum, addr) \
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i386_linux_dr_set_addr (regnum, addr)
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extern void i386_linux_dr_reset_addr (int regnum);
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#define I386_DR_LOW_RESET_ADDR(regnum) \
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i386_linux_dr_reset_addr (regnum)
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extern unsigned long i386_linux_dr_get_status (void);
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#define I386_DR_LOW_GET_STATUS() \
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i386_linux_dr_get_status ()
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/* Override copies of {fetch,store}_inferior_registers in `infptrace.c'. */
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#define FETCH_INFERIOR_REGISTERS
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/* Nevertheless, define CANNOT_{FETCH,STORE}_REGISTER, because we
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might fall back on the code `infptrace.c' (well a copy of that code
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in `i386-linux-nat.c' for now) and we can access only the
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general-purpose registers in that way. */
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extern int cannot_fetch_register (int regno);
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extern int cannot_store_register (int regno);
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#define CANNOT_FETCH_REGISTER(regno) cannot_fetch_register (regno)
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#define CANNOT_STORE_REGISTER(regno) cannot_store_register (regno)
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/* Override child_resume in `infptrace.c'. */
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#define CHILD_RESUME
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#endif /* nm-linux.h */
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