diff options
Diffstat (limited to 'contrib/gdb/gdb/config/i386/nm-linux.h')
| -rw-r--r-- | contrib/gdb/gdb/config/i386/nm-linux.h | 126 |
1 files changed, 68 insertions, 58 deletions
diff --git a/contrib/gdb/gdb/config/i386/nm-linux.h b/contrib/gdb/gdb/config/i386/nm-linux.h index ad0b8db..8ae3ece 100644 --- a/contrib/gdb/gdb/config/i386/nm-linux.h +++ b/contrib/gdb/gdb/config/i386/nm-linux.h @@ -1,73 +1,83 @@ -/* Native support for GNU/Linux, for GDB, the GNU debugger. - Copyright (C) 1986, 1987, 1989, 1992, 1996, 1998 - Free Software Foundation, Inc. +/* Native support for GNU/Linux x86. -This file is part of GDB. + Copyright 1986, 1987, 1989, 1992, 1993, 1994, 1995, 1996, 1997, + 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc. -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 file is part of GDB. -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. + 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. -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. */ + 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 -#include "i386/nm-i386v.h" +/* GNU/Linux supports the i386 hardware debugging registers. */ +#define I386_USE_GENERIC_WATCHPOINTS + +#include "i386/nm-i386.h" +#include "nm-linux.h" -/* Return sizeof user struct to callers in less machine dependent routines */ +/* 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() -extern int kernel_u_size PARAMS ((void)); -/* Tell gdb that we can attach and detach other processes */ -#define ATTACH_DETACH +/* 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 +/* Offset of the registers within the user area. */ #define U_REGS_OFFSET 0 -/* GNU/Linux supports the 386 hardware debugging registers. */ - -#define TARGET_HAS_HARDWARE_WATCHPOINTS - -#define TARGET_CAN_USE_HARDWARE_WATCHPOINT(type, cnt, ot) 1 - -/* After a watchpoint trap, the PC points to the instruction after - the one that caused the trap. Therefore we don't need to step over it. - But we do need to reset the status register to avoid another trap. */ -#define HAVE_CONTINUABLE_WATCHPOINT - -#define STOPPED_BY_WATCHPOINT(W) \ - i386_stopped_by_watchpoint (inferior_pid) - -/* Use these macros for watchpoint insertion/removal. */ - -#define target_insert_watchpoint(addr, len, type) \ - i386_insert_watchpoint (inferior_pid, addr, len, type) - -#define target_remove_watchpoint(addr, len, type) \ - i386_remove_watchpoint (inferior_pid, addr, len) - -/* We define this if link.h is available, because with ELF we use SVR4 style - shared libraries. */ - -#ifdef HAVE_LINK_H -#define SVR4_SHARED_LIBS -#include "solib.h" /* Support for shared libraries. */ -#endif - -extern CORE_ADDR -i386_stopped_by_watchpoint PARAMS ((int)); -extern int -i386_insert_watchpoint PARAMS ((int pid, CORE_ADDR addr, int len, int rw)); -extern int -i386_remove_watchpoint PARAMS ((int pid, CORE_ADDR addr, int len)); - -#endif /* #ifndef NM_LINUX_H */ +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) + +/* Override child_resume in `infptrace.c'. */ +#define CHILD_RESUME + +#endif /* nm-linux.h */ |
