mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-12-03 04:12:10 +08:00
130 lines
4.8 KiB
C
130 lines
4.8 KiB
C
/* This file defines the interface between the simulator and gdb.
|
|
Copyright (C) 1993, 1994, 1996, 1997 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. */
|
|
|
|
#if !defined (REMOTE_SIM_H)
|
|
#define REMOTE_SIM_H 1
|
|
|
|
/* This file is used when building stand-alone simulators, so isolate this
|
|
file from gdb. */
|
|
|
|
/* Pick up CORE_ADDR_TYPE if defined (from gdb), otherwise use same value as
|
|
gdb does (unsigned int - from defs.h). */
|
|
|
|
#ifndef CORE_ADDR_TYPE
|
|
typedef unsigned int SIM_ADDR;
|
|
#else
|
|
typedef CORE_ADDR_TYPE SIM_ADDR;
|
|
#endif
|
|
|
|
/* Semi-opaque type used as result of sim_open and passed back to all
|
|
other routines. "desc" is short for "descriptor".
|
|
It is up to each simulator to define `sim_state'. */
|
|
|
|
typedef struct sim_state *SIM_DESC;
|
|
|
|
/* Main simulator entry points. */
|
|
|
|
/* Initialize the simulator. This function is called when the simulator
|
|
is selected from the command line. ARGV is passed from the command line
|
|
and can be used to select whatever run time options the simulator provides.
|
|
ARGV is the standard NULL terminated array of pointers, with argv[0]
|
|
being the program name.
|
|
The result is a descriptor that must be passed back to the other sim_foo
|
|
functions. */
|
|
|
|
SIM_DESC sim_open PARAMS ((char **argv));
|
|
|
|
/* Terminate usage of the simulator. This may involve freeing target memory
|
|
and closing any open files and mmap'd areas. You cannot assume sim_kill
|
|
has already been called.
|
|
QUITTING is non-zero if we cannot hang on errors. */
|
|
|
|
void sim_close PARAMS ((SIM_DESC sd, int quitting));
|
|
|
|
/* Load program PROG into the simulator.
|
|
Return non-zero if you wish the caller to handle it
|
|
(it is done this way because most simulators can use gr_load_image,
|
|
but defining it as a callback seems awkward). */
|
|
|
|
int sim_load PARAMS ((SIM_DESC sd, char *prog, int from_tty));
|
|
|
|
/* Prepare to run the simulated program.
|
|
START_ADDRESS is, yes, you guessed it, the start address of the program.
|
|
ARGV and ENV are NULL terminated lists of pointers.
|
|
Gdb will set the start address via sim_store_register as well, but
|
|
standalone versions of existing simulators are not set up to cleanly call
|
|
sim_store_register, so the START_ADDRESS argument is there as a
|
|
workaround. */
|
|
|
|
void sim_create_inferior PARAMS ((SIM_DESC sd, SIM_ADDR start_address,
|
|
char **argv, char **env));
|
|
|
|
/* Kill the running program.
|
|
This may involve closing any open files and deleting any mmap'd areas. */
|
|
|
|
void sim_kill PARAMS ((SIM_DESC sd));
|
|
|
|
/* Read LENGTH bytes of the simulated program's memory and store in BUF.
|
|
Result is number of bytes read, or zero if error. */
|
|
|
|
int sim_read PARAMS ((SIM_DESC sd, SIM_ADDR mem, unsigned char *buf, int length));
|
|
|
|
/* Store LENGTH bytes from BUF in the simulated program's memory.
|
|
Result is number of bytes write, or zero if error. */
|
|
|
|
int sim_write PARAMS ((SIM_DESC sd, SIM_ADDR mem, unsigned char *buf, int length));
|
|
|
|
/* Fetch register REGNO and store the raw value in BUF. */
|
|
|
|
void sim_fetch_register PARAMS ((SIM_DESC sd, int regno, unsigned char *buf));
|
|
|
|
/* Store register REGNO from BUF (in raw format). */
|
|
|
|
void sim_store_register PARAMS ((SIM_DESC sd, int regno, unsigned char *buf));
|
|
|
|
/* Print some interesting information about the simulator.
|
|
VERBOSE is non-zero for the wordy version. */
|
|
|
|
void sim_info PARAMS ((SIM_DESC sd, int verbose));
|
|
|
|
/* Fetch why the program stopped.
|
|
SIGRC will contain either the argument to exit() or the signal number. */
|
|
|
|
enum sim_stop { sim_exited, sim_stopped, sim_signalled };
|
|
|
|
void sim_stop_reason PARAMS ((SIM_DESC sd, enum sim_stop *reason, int *sigrc));
|
|
|
|
/* Run (or resume) the program. */
|
|
|
|
void sim_resume PARAMS ((SIM_DESC sd, int step, int siggnal));
|
|
|
|
/* Passthru for other commands that the simulator might support.
|
|
If SD is NULL, the command is to be interpreted as refering to
|
|
the global state, however the simulator defines that. */
|
|
|
|
void sim_do_command PARAMS ((SIM_DESC sd, char *cmd));
|
|
|
|
/* Provide simulator with a standard host_callback_struct.
|
|
If SD is NULL, the command is to be interpreted as refering to
|
|
the global state, however the simulator defines that. */
|
|
|
|
void sim_set_callbacks PARAMS ((SIM_DESC sd, struct host_callback_struct *));
|
|
|
|
#endif /* !defined (REMOTE_SIM_H) */
|