9bb9e8ade7
(I386_DR_LOW_SET_ADDR, I386_DR_LOW_RESET_ADDR): Remove. (I386_DR_LOW_GET_STATUS, I386_DR_LOW_SET_CONTROL): Remove. (I386_USE_GENERIC_WATCHPOIINTS): Remove. * i386-nat.h: New file (adapted from config/i386/nm-i386.h). (struct i386_dr_low_type): New type. (i386_dr_low): New global variable. * i386-nat.c (TARGET_HAS_DR_LEN_8): Update macro. (i386_insert_aligned_watchpoint): Replace i386 dr low macros by i386_dr_low struct variable fields. (i386_remove_aligned_watchpoint): Likewise. (i386_stopped_data_address): Likewise. (i386_stopped_by_hwbp): Likewise. (show_debug_regs_command_added): New static variable. (add_show_debug_regs_command): New static function. (i386_use_watchpoints): Call add_show_debug_regs_command if not done. (i386_set_debug_register_length): New function. (_initialize_i386_nat): Delete. * amd64-linux-nat.c: Include "i386-nat.h". (amd64_linux_dr_set_control): Change to static. (amd64_linux_dr_get_status): Change to static. (amd64_linux_dr_set_addr,amd64_linux_dr_reset_addr): Likewise. (_initialize_amd64_linux_nat): Set i386_dr_low variable fields. * go32-nat.c: Include "i386-nat.h". (go32_set_addr): Change to static. (go32_set_dr7): Change to static. Change arg type to unisgned long. (go32_get_dr6): Change to static. Change return type to unisnged long. (init_go32_ops): Set i386_dr_low variable fields. * i386-linux-nat.c: Include "i386-nat.h". (i386_linux_dr_set_control, i386_linux_dr_get_status): Change to static. (i386_linux_dr_set_addr, i386_linux_dr_reset_addr): Idem. (_initialize_i386_linux_nat): Set i386_dr_low variable fields. * i386bsd-nat.h: Declare functions used for i386_dr_low fields in i386fbsd-nat.c. * i386fbsd-nat.c: Include "i386-nat.h". (_initialize_i386fbsd_nat): Set i386_dr_low variable fields. * windows-nat.c: Include "i386-nat.h". (cygwin_set_dr, cygwin_get_dr6, cygwin_set_dr7): Add prototypes. Change to static. (cygwin_get_dr6): Change return type to unisnged long. (cygwin_set_dr7): Change arg type to unisgned long. (init_windows_ops): Set i386_dr_low function fields. * amd64-windows-nat.c (_initialize_amd64_windows_nat): Call i386_set_debug_register_length. * i386-windows-nat.c (_initialize_i386_windows_nat): Likewise. * config/i386/nm-cygwin.h: Remove all I386_* macros. * config/i386/nm-cygwin64.h: Likewise. * config/i386/nm-fbsd.h: Likewise. * config/i386/nm-linux.h: Likewise. * config/i386/nm-i386.h: Remove completely. * config/i386/nm-go32.h: Remove completely. * config/i386/nm-linux64.h: Remove completely. * config/i386/go32.mh (NAT_FILE): Remove entry. * config/i386/linux64.h (NAT_FILE): Change to config/nm-linux.h.
89 lines
3 KiB
C
89 lines
3 KiB
C
/* Native-dependent code for the i386.
|
|
|
|
Low level functions to implement Oeprating System specific
|
|
code to manipulate I386 debug registers.
|
|
|
|
Copyright (C) 2009
|
|
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 3 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, see <http://www.gnu.org/licenses/>. */
|
|
|
|
#include "defs.h"
|
|
|
|
#ifndef I386_NAT_H
|
|
#define I386_NAT_H 1
|
|
|
|
/* Hardware-assisted breakpoints and watchpoints. */
|
|
|
|
/* Add watchpoint methods to the provided target_ops.
|
|
Targets using i386 family debug registers for watchpoints should call
|
|
this. */
|
|
struct target_ops;
|
|
extern void i386_use_watchpoints (struct target_ops *);
|
|
|
|
/* Support for hardware watchpoints and breakpoints using the i386
|
|
debug registers.
|
|
|
|
This provides several functions for inserting and removing
|
|
hardware-assisted breakpoints and watchpoints, testing if one or
|
|
more of the watchpoints triggered and at what address, checking
|
|
whether a given region can be watched, etc.
|
|
|
|
In addition, each target should provide several low-level functions
|
|
regrouped into i386_dr_low_type struct below. These functions
|
|
that will be called to insert watchpoints and hardware breakpoints
|
|
into the inferior, remove them, and check their status. These
|
|
functions are:
|
|
|
|
set_control -- set the debug control (DR7)
|
|
register to a given value
|
|
|
|
set_addr -- put an address into one debug
|
|
register
|
|
|
|
reset_addr -- reset the address stored in
|
|
one debug register
|
|
|
|
get_status -- return the value of the debug
|
|
status (DR6) register.
|
|
|
|
Additionally, the native file should set the debug_register_length
|
|
field to 4 or 8 depending on the number of bytes used for
|
|
deubg registers. */
|
|
|
|
struct i386_dr_low_type
|
|
{
|
|
void (*set_control) (unsigned long);
|
|
void (*set_addr) (int, CORE_ADDR);
|
|
void (*reset_addr) (int);
|
|
unsigned long (*get_status) (void);
|
|
int debug_register_length;
|
|
};
|
|
|
|
extern struct i386_dr_low_type i386_dr_low;
|
|
|
|
/* Use this function to set i386_dr_low debug_register_length field
|
|
rather than setting it directly to check that the length is only
|
|
set once. It also enables the 'maint set/show show-debug-regs'
|
|
command. */
|
|
|
|
extern void i386_set_debug_register_length (int len);
|
|
|
|
/* Use this function to reset the i386-nat.c debug register state. */
|
|
|
|
extern void i386_cleanup_dregs (void);
|
|
|
|
#endif /* I386_NAT_H */
|