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[/] [openrisc/] [tags/] [gnu-src/] [gdb-7.2/] [gdb-7.2-or32-1.0rc3/] [sim/] [common/] [sim-watch.h] - Rev 810
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/* Simulator watchpoint support. Copyright (C) 1997, 2007, 2008, 2009, 2010 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 */
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