| /* Native support for GNU/Linux x86. |
| |
| Copyright 1986, 1987, 1989, 1992, 1993, 1994, 1995, 1996, 1997, |
| 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc. |
| |
| This file is part of GDB. |
| |
| This program is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2 of the License, or |
| (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program; if not, write to the Free Software |
| Foundation, Inc., 59 Temple Place - Suite 330, |
| Boston, MA 02111-1307, USA. */ |
| |
| #ifndef NM_LINUX_H |
| #define NM_LINUX_H |
| |
| /* GNU/Linux supports the i386 hardware debugging registers. */ |
| #define I386_USE_GENERIC_WATCHPOINTS |
| |
| #include "i386/nm-i386.h" |
| #include "config/nm-linux.h" |
| |
| /* Support for the user area. */ |
| |
| /* Return the size of the user struct. */ |
| extern int kernel_u_size (void); |
| #define KERNEL_U_SIZE kernel_u_size() |
| |
| /* This is the amount to substract from u.u_ar0 to get the offset in |
| the core file of the register values. */ |
| #define KERNEL_U_ADDR 0 |
| |
| extern CORE_ADDR register_u_addr (CORE_ADDR blockend, int regnum); |
| #define REGISTER_U_ADDR(addr, blockend, regnum) \ |
| (addr) = register_u_addr (blockend, regnum) |
| |
| /* Provide access to the i386 hardware debugging registers. */ |
| |
| extern void i386_linux_dr_set_control (unsigned long control); |
| #define I386_DR_LOW_SET_CONTROL(control) \ |
| i386_linux_dr_set_control (control) |
| |
| extern void i386_linux_dr_set_addr (int regnum, CORE_ADDR addr); |
| #define I386_DR_LOW_SET_ADDR(regnum, addr) \ |
| i386_linux_dr_set_addr (regnum, addr) |
| |
| extern void i386_linux_dr_reset_addr (int regnum); |
| #define I386_DR_LOW_RESET_ADDR(regnum) \ |
| i386_linux_dr_reset_addr (regnum) |
| |
| extern unsigned long i386_linux_dr_get_status (void); |
| #define I386_DR_LOW_GET_STATUS() \ |
| i386_linux_dr_get_status () |
| |
| |
| /* Override copies of {fetch,store}_inferior_registers in `infptrace.c'. */ |
| #define FETCH_INFERIOR_REGISTERS |
| |
| /* Nevertheless, define CANNOT_{FETCH,STORE}_REGISTER, because we |
| might fall back on the code `infptrace.c' (well a copy of that code |
| in `i386-linux-nat.c' for now) and we can access only the |
| general-purpose registers in that way. */ |
| extern int cannot_fetch_register (int regno); |
| extern int cannot_store_register (int regno); |
| #define CANNOT_FETCH_REGISTER(regno) cannot_fetch_register (regno) |
| #define CANNOT_STORE_REGISTER(regno) cannot_store_register (regno) |
| |
| #ifdef HAVE_PTRACE_GETFPXREGS |
| /* Include register set support for the SSE registers. */ |
| #define FILL_FPXREGSET |
| #endif |
| |
| /* Override child_resume in `infptrace.c'. */ |
| #define CHILD_RESUME |
| |
| #endif /* nm-linux.h */ |