mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-12-27 04:52:05 +08:00
78 lines
2.3 KiB
C
78 lines
2.3 KiB
C
/* Simulator watchpoint support.
|
|
Copyright (C) 1997-2018 Free Software Foundation, Inc.
|
|
Contributed by Cygnus Support.
|
|
|
|
This file is part of GDB, the GNU debugger.
|
|
|
|
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/>. */
|
|
|
|
|
|
#ifndef SIM_WATCH_H
|
|
#define SIM_WATCH_H
|
|
|
|
typedef enum {
|
|
invalid_watchpoint = -1,
|
|
pc_watchpoint,
|
|
clock_watchpoint,
|
|
cycles_watchpoint,
|
|
nr_watchpoint_types,
|
|
} watchpoint_type;
|
|
|
|
typedef struct _sim_watch_point sim_watch_point;
|
|
struct _sim_watch_point {
|
|
int ident;
|
|
watchpoint_type type;
|
|
int interrupt_nr; /* == nr_interrupts -> breakpoint */
|
|
int is_periodic;
|
|
int is_within;
|
|
unsigned long arg0;
|
|
unsigned long arg1;
|
|
sim_event *event;
|
|
sim_watch_point *next;
|
|
};
|
|
|
|
|
|
typedef struct _sim_watchpoints {
|
|
|
|
/* Pointer into the host's data structures specifying the
|
|
address/size of the program-counter */
|
|
/* FIXME: In the future this shall be generalized so that any of the
|
|
N processors M registers can be watched */
|
|
void *pc;
|
|
int sizeof_pc;
|
|
|
|
/* Pointer to the handler for interrupt watchpoints */
|
|
/* FIXME: can this be done better? */
|
|
/* NOTE: For the DATA arg, the handler is passed a (char**) pointer
|
|
that is an offset into the INTERRUPT_NAMES vector. Use
|
|
arithmetic to determine the interrupt-nr. */
|
|
sim_event_handler *interrupt_handler;
|
|
|
|
/* Pointer to a null terminated list of interrupt names */
|
|
/* FIXME: can this be done better? Look at the PPC's interrupt
|
|
mechanism and table for a rough idea of where it will go next */
|
|
int nr_interrupts;
|
|
const char **interrupt_names;
|
|
|
|
/* active watchpoints */
|
|
int last_point_nr;
|
|
sim_watch_point *points;
|
|
|
|
} sim_watchpoints;
|
|
|
|
/* Watch install handler. */
|
|
MODULE_INSTALL_FN sim_watchpoint_install;
|
|
|
|
#endif /* SIM_WATCH_H */
|