remote-sim.h: New file.
remote-sp64sim.h (sim_*): External fns. (simif_*): Internal fns. sp64-tdep.c (sparc64_frame_chain, sparc64_frame_saved_pc): Deleted. (dump_ccreg, sparc_print_register_hook): New fns.
This commit is contained in:
David Edelsohn
parent
9be4f7b466
commit
b562a1861c
87
gdb/remote-sim.h
Normal file
87
gdb/remote-sim.h
Normal file
@ -0,0 +1,87 @@
|
||||
/* This file defines the interface between the simulator and gdb.
|
||||
Copyright (C) 1993 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., 675 Mass Ave, Cambridge, MA 02139, USA. */
|
||||
|
||||
#if !defined (REMOTE_SIM_H)
|
||||
#define REMOTE_SIM_H 1
|
||||
|
||||
/* Main simulator globals ... */
|
||||
|
||||
extern int sim_verbose;
|
||||
|
||||
/* Main simulator entry points ...
|
||||
|
||||
All functions return 0 for success and non-zero for failure. */
|
||||
|
||||
/* Initialize the simulator. This function is called when the simulator
|
||||
is selected from the command line. ARGS is passed from the command line
|
||||
and can be used to select whatever run time options the simulator provides.
|
||||
ARGS is the raw character string and must be parsed by the simulator. */
|
||||
|
||||
int sim_open PARAMS ((char *name));
|
||||
|
||||
/* Load program PROG into the simulator.
|
||||
We use "void *" instead of "bfd *" to isolate this file from BFD. */
|
||||
|
||||
int sim_load PARAMS ((void *bfd_handle, char *args));
|
||||
|
||||
/* Set the arguments and environment for the program loaded into the
|
||||
simulator. ARGV and ENV are NULL terminated lists of pointers.
|
||||
If the simulator doesn't support setting arguments, print an error message
|
||||
and return non-zero. */
|
||||
|
||||
int sim_set_args PARAMS ((char **argv, char **env));
|
||||
|
||||
/* Fetch register REGNO and store the raw value in BUF. */
|
||||
|
||||
int sim_fetch_register PARAMS ((int regno, char *buf));
|
||||
|
||||
/* Store register REGNO from BUF (in raw format). */
|
||||
|
||||
int sim_store_register PARAMS ((int regno, char *buf));
|
||||
|
||||
/* Kill the running program.
|
||||
This may involve closing any open files and deleting any mmap'd areas. */
|
||||
|
||||
int sim_kill PARAMS ((void));
|
||||
|
||||
/* Read LENGTH bytes of the simulated program's memory and store in BUF. */
|
||||
|
||||
int sim_read PARAMS ((CORE_ADDR mem, char *buf, int length));
|
||||
|
||||
/* Store LENGTH bytes from BUF in the simulated program's memory. */
|
||||
|
||||
int sim_write PARAMS ((CORE_ADDR mem, char *buf, int length));
|
||||
|
||||
/* Print some interesting information about the simulator. */
|
||||
|
||||
int sim_info PARAMS ((void));
|
||||
|
||||
/* Set the simulated cpu's program counter to PC. */
|
||||
|
||||
int sim_set_pc PARAMS ((CORE_ADDR pc));
|
||||
|
||||
/* Fetch why the program stopped. */
|
||||
|
||||
int sim_stop_signal PARAMS ((void));
|
||||
|
||||
/* Run (or resume) the program. */
|
||||
|
||||
int sim_resume PARAMS ((int step, int siggnal));
|
||||
|
||||
#endif /* !defined (REMOTE_SIM_H) */
|
||||
@ -1,7 +1,7 @@
|
||||
/* Generic remote debugging interface for simulators.
|
||||
Copyright 1993 Free Software Foundation, Inc.
|
||||
Contributed by Cygnus Support. Hacked from Steve Chamberlain's Z8000 work
|
||||
by Doug Evans. (dje@cygnus.com).
|
||||
Contributed by Cygnus Support.
|
||||
Steve Chamberlain (sac@cygnus.com) and Doug Evans (dje@cygnus.com).
|
||||
|
||||
This file is part of GDB.
|
||||
|
||||
@ -32,70 +32,20 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
|
||||
#include "terminal.h"
|
||||
#include "target.h"
|
||||
#include "gdbcore.h"
|
||||
#include "simif.h"
|
||||
#include "remote-sim.h"
|
||||
|
||||
/* Naming conventions:
|
||||
|
||||
sim_xxx are internal objects that describe top level interfaces to the
|
||||
simulator.
|
||||
simif_xxx are internal objects that describe top level interfaces to the
|
||||
simulator (simif for SIMulator InterFace, duh...).
|
||||
|
||||
simif_xxx are external counterparts to the sim_xxx objects that must be
|
||||
provided by the simulator (simif for SIMulator InterFace, duh...).
|
||||
sim_xxx are external counterparts to the simif_xxx objects that must be
|
||||
provided by the simulator.
|
||||
|
||||
A complete list of them is:
|
||||
|
||||
--- Fetch one register and store the raw value in BUF.
|
||||
|
||||
int simif_fetch_register (int regno, char *buf);
|
||||
|
||||
--- Store VAL in one register.
|
||||
|
||||
int simif_store_register (int regno, char *val);
|
||||
|
||||
--- Complete terminate the simulator. This includes freeing all memory,
|
||||
closing all open files, and releasing all mmap'd memory.
|
||||
|
||||
int simif_kill (void);
|
||||
|
||||
--- Load program PROG into the simulator.
|
||||
|
||||
int simif_load (bfd *abfd, char *prog);
|
||||
|
||||
--- Set the arguments and environment for the program loaded into the
|
||||
simulator. ARGV and ENV are NULL terminated lists of pointers.
|
||||
|
||||
int simif_set_args (char **argv, char **env);
|
||||
|
||||
--- Initialize the simulator. This function is called when the simulator
|
||||
is selected from the command line. ARGS is passed from the command line
|
||||
and can be used to select whatever run time options the simulator provides.
|
||||
ARGS is the raw character string and must be parsed by the simulator.
|
||||
|
||||
int simif_open (char *args);
|
||||
|
||||
--- Start running the program, or resume it after a breakpoint.
|
||||
FIXME: What are A and B?
|
||||
|
||||
int simif_resume (int a, int b);
|
||||
|
||||
--- Fetch the reason why the program stopped running (breakpoint, signal,
|
||||
etc.)
|
||||
|
||||
WAITTYPE simif_stop_signal (void);
|
||||
|
||||
--- Write some data into the program's memory.
|
||||
Result is 0 for success, nonzero for failure.
|
||||
|
||||
int simif_write (CORE_ADDR memaddr, char *myaddr, int len);
|
||||
|
||||
--- Read some data from the program's memory.
|
||||
Result is 0 for success, nonzero for failure.
|
||||
|
||||
int simif_read (CORE_ADDR memaddr, char *myaddr, int len);
|
||||
*/
|
||||
See simif.h for a description. */
|
||||
|
||||
/* Forward data declarations */
|
||||
extern struct target_ops sim_ops;
|
||||
extern struct target_ops simif_ops;
|
||||
|
||||
int sim_verbose = 0; /* available to the simulator to use */
|
||||
|
||||
@ -104,81 +54,78 @@ static int program_loaded = 0;
|
||||
static void dump_mem ();
|
||||
|
||||
static void
|
||||
sim_fetch_register (regno)
|
||||
simif_fetch_register (regno)
|
||||
int regno;
|
||||
{
|
||||
if (regno == -1)
|
||||
{
|
||||
if (sim_verbose)
|
||||
printf_filtered ("sim_fetch_register: %d\n", regno);
|
||||
/* FIXME: Where did the 16 come from and what does it need to be? */
|
||||
for (regno = 0; regno < 16; regno++)
|
||||
sim_fetch_register (regno);
|
||||
for (regno = 0; regno < NUM_REGS; regno++)
|
||||
simif_fetch_register (regno);
|
||||
}
|
||||
else
|
||||
{
|
||||
char buf[MAX_REGISTER_RAW_SIZE];
|
||||
|
||||
simif_fetch_register (regno, buf);
|
||||
sim_fetch_register (regno, buf);
|
||||
supply_register (regno, buf);
|
||||
if (sim_verbose)
|
||||
{
|
||||
printf_filtered ("sim_fetch_register: %d", regno);
|
||||
dump_mem (buf, sizeof (REGISTER_TYPE));
|
||||
printf_filtered ("simif_fetch_register: %d", regno);
|
||||
/* FIXME: We could print something more intelligible. */
|
||||
dump_mem (buf, REGISTER_RAW_SIZE (regno));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
sim_store_register (regno)
|
||||
simif_store_register (regno)
|
||||
int regno;
|
||||
{
|
||||
if (regno == -1)
|
||||
{
|
||||
if (sim_verbose)
|
||||
printf_filtered ("sim_store_register: %d\n", regno);
|
||||
/* FIXME: 16? */
|
||||
for (regno = 0; regno < 16; regno++)
|
||||
sim_store_register (regno);
|
||||
for (regno = 0; regno < NUM_REGS; regno++)
|
||||
simif_store_register (regno);
|
||||
}
|
||||
else
|
||||
{
|
||||
char value[sizeof (REGISTER_TYPE)];
|
||||
/* FIXME: Until read_register() returns LONGEST, we have this. */
|
||||
char value[MAX_REGISTER_RAW_SIZE];
|
||||
|
||||
read_register_gen (regno, value);
|
||||
SWAP_TARGET_AND_HOST (value, sizeof (REGISTER_TYPE));
|
||||
simif_store_register (regno, value);
|
||||
SWAP_TARGET_AND_HOST (value, REGISTER_RAW_SIZE (regno));
|
||||
sim_store_register (regno, value);
|
||||
if (sim_verbose)
|
||||
{
|
||||
printf_filtered ("sim_store_register: %d", regno);
|
||||
dump_mem (value, sizeof (REGISTER_TYPE));
|
||||
printf_filtered ("simif_store_register: %d", regno);
|
||||
/* FIXME: We could print something more intelligible. */
|
||||
dump_mem (value, REGISTER_RAW_SIZE (regno));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
sim_kill (arg,from_tty)
|
||||
char *arg;
|
||||
int from_tty;
|
||||
simif_kill ()
|
||||
{
|
||||
if (sim_verbose)
|
||||
printf_filtered ("sim_kill: arg \"%s\"\n", arg);
|
||||
printf_filtered ("simif_kill\n");
|
||||
|
||||
simif_kill (); /* close fd's, remove mappings */
|
||||
sim_kill (); /* close fd's, remove mappings */
|
||||
inferior_pid = 0;
|
||||
}
|
||||
|
||||
/* Load program PROG into the sim. */
|
||||
/* Load an executable file into the target process. This is expected to
|
||||
not only bring new code into the target process, but also to update
|
||||
GDB's symbol tables to match. */
|
||||
|
||||
static void
|
||||
sim_load (prog, fromtty)
|
||||
simif_load (prog, fromtty)
|
||||
char *prog;
|
||||
int fromtty;
|
||||
{
|
||||
bfd *abfd;
|
||||
|
||||
if (sim_verbose)
|
||||
printf_filtered ("sim_load: prog \"%s\"\n", prog);
|
||||
printf_filtered ("simif_load: prog \"%s\"\n", prog);
|
||||
|
||||
inferior_pid = 0;
|
||||
program_loaded = 0;
|
||||
@ -187,22 +134,69 @@ sim_load (prog, fromtty)
|
||||
if (!abfd)
|
||||
error ("Unable to open file %s.", prog);
|
||||
|
||||
if (bfd_check_format (abfd, bfd_object) ==0)
|
||||
if (bfd_check_format (abfd, bfd_object) == 0)
|
||||
error ("File is not an object file.");
|
||||
|
||||
if (simif_load (abfd, prog) != 0)
|
||||
if (sim_load (abfd, prog) != 0)
|
||||
return;
|
||||
|
||||
program_loaded = 1;
|
||||
|
||||
simif_set_pc (abfd->start_address);
|
||||
sim_set_pc (abfd->start_address);
|
||||
}
|
||||
|
||||
/*
|
||||
* This is a utility routine that sim_load() can call to do the work.
|
||||
* The result is 0 for success, non-zero for failure.
|
||||
*
|
||||
* Eg: int sim_load (bfd *bfd, char *prog) { return sim_load_standard (bfd); }
|
||||
*/
|
||||
|
||||
sim_load_standard (abfd)
|
||||
bfd *abfd;
|
||||
{
|
||||
asection *s;
|
||||
|
||||
s = abfd->sections;
|
||||
while (s != (asection *)NULL)
|
||||
{
|
||||
if (s->flags & SEC_LOAD)
|
||||
{
|
||||
int i;
|
||||
int delta = 4096;
|
||||
char *buffer = xmalloc (delta);
|
||||
printf_filtered ("%s\t: 0x%4x .. 0x%4x ",
|
||||
s->name, s->vma, s->vma + s->_raw_size);
|
||||
for (i = 0; i < s->_raw_size; i+= delta)
|
||||
{
|
||||
int sub_delta = delta;
|
||||
if (sub_delta > s->_raw_size - i)
|
||||
sub_delta = s->_raw_size - i ;
|
||||
|
||||
bfd_get_section_contents (abfd, s, buffer, i, sub_delta);
|
||||
sim_write (s->vma + i, buffer, sub_delta);
|
||||
printf_filtered ("*");
|
||||
fflush (stdout);
|
||||
}
|
||||
printf_filtered ("\n");
|
||||
free (buffer);
|
||||
}
|
||||
s = s->next;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Start an inferior process and set inferior_pid to its pid.
|
||||
EXEC_FILE is the file to run.
|
||||
ALLARGS is a string containing the arguments to the program.
|
||||
ENV is the environment vector to pass. Errors reported with error().
|
||||
On VxWorks and various standalone systems, we ignore exec_file. */
|
||||
/* This is called not only when we first attach, but also when the
|
||||
user types "run" after having attached. */
|
||||
|
||||
static void
|
||||
sim_create_inferior (exec_file, args, env)
|
||||
simif_create_inferior (exec_file, args, env)
|
||||
char *exec_file;
|
||||
char *args;
|
||||
char **env;
|
||||
@ -214,7 +208,7 @@ sim_create_inferior (exec_file, args, env)
|
||||
error ("No program loaded.");
|
||||
|
||||
if (sim_verbose)
|
||||
printf_filtered ("sim_create_inferior: exec_file \"%s\", args \"%s\"\n",
|
||||
printf_filtered ("simif_create_inferior: exec_file \"%s\", args \"%s\"\n",
|
||||
exec_file, args);
|
||||
|
||||
if (exec_file == 0 || exec_bfd == 0)
|
||||
@ -222,7 +216,7 @@ sim_create_inferior (exec_file, args, env)
|
||||
|
||||
entry_pt = (int) bfd_get_start_address (exec_bfd);
|
||||
|
||||
sim_kill (NULL, NULL);
|
||||
simif_kill (NULL, NULL);
|
||||
remove_breakpoints ();
|
||||
init_wait_for_inferior ();
|
||||
|
||||
@ -234,92 +228,112 @@ sim_create_inferior (exec_file, args, env)
|
||||
strcat (arg_buf, args);
|
||||
argv = buildargv (arg_buf);
|
||||
make_cleanup (freeargv, (char *) argv);
|
||||
simif_set_args (argv, env);
|
||||
if (sim_set_args (argv, env) != 0)
|
||||
return;
|
||||
|
||||
inferior_pid = 42;
|
||||
insert_breakpoints (); /* Needed to get correct instruction in cache */
|
||||
proceed (entry_pt, -1, 0);
|
||||
}
|
||||
|
||||
/* The open routine takes the rest of the parameters from the command,
|
||||
and (if successful) pushes a new target onto the stack.
|
||||
Targets should supply this routine, if only to provide an error message. */
|
||||
/* Called when selecting the simulator. EG: (gdb) target sim name. */
|
||||
|
||||
static void
|
||||
sim_open (args, from_tty)
|
||||
simif_open (args, from_tty)
|
||||
char *args;
|
||||
int from_tty;
|
||||
{
|
||||
if (sim_verbose)
|
||||
printf_filtered ("sim_open: args \"%s\"\n", args);
|
||||
printf_filtered ("simif_open: args \"%s\"\n", args);
|
||||
|
||||
if (simif_open (args) != 0)
|
||||
if (sim_open (args) != 0)
|
||||
{
|
||||
error ("Unable to initialize simulator (insufficient memory?).");
|
||||
return;
|
||||
}
|
||||
|
||||
push_target (&sim_ops);
|
||||
push_target (&simif_ops);
|
||||
target_fetch_registers (-1);
|
||||
|
||||
/* FIXME: check from_tty here? */
|
||||
printf_filtered ("Connected to the simulator.\n");
|
||||
}
|
||||
|
||||
/* Does whatever cleanup is required for a target that we are no longer
|
||||
going to be calling. Argument says whether we are quitting gdb and
|
||||
should not get hung in case of errors, or whether we want a clean
|
||||
termination even if it takes a while. This routine is automatically
|
||||
always called just before a routine is popped off the target stack.
|
||||
Closing file descriptors and freeing memory are typical things it should
|
||||
do. */
|
||||
/* Close out all files and local state before this target loses control. */
|
||||
|
||||
static void
|
||||
sim_close (quitting)
|
||||
simif_close (quitting)
|
||||
int quitting;
|
||||
{
|
||||
if (sim_verbose)
|
||||
printf_filtered ("sim_close: quitting %d\n", quitting);
|
||||
printf_filtered ("simif_close: quitting %d\n", quitting);
|
||||
|
||||
program_loaded = 0;
|
||||
|
||||
/* FIXME: Need to call simif_close() to close all files and
|
||||
/* FIXME: Need to call sim_close() to close all files and
|
||||
delete all mappings. */
|
||||
}
|
||||
|
||||
/* Takes a program previously attached to and detaches it.
|
||||
The program may resume execution (some targets do, some don't) and will
|
||||
no longer stop on signals, etc. We better not have left any breakpoints
|
||||
in the program or it'll die when it hits one. ARGS is arguments
|
||||
typed by the user (e.g. a signal to send the process). FROM_TTY
|
||||
says whether to be verbose or not. */
|
||||
/* Terminate the open connection to the remote debugger.
|
||||
Use this when you want to detach and do something else
|
||||
with your gdb. */
|
||||
Use this when you want to detach and do something else with your gdb. */
|
||||
|
||||
static void
|
||||
sim_detach (args,from_tty)
|
||||
simif_detach (args,from_tty)
|
||||
char *args;
|
||||
int from_tty;
|
||||
{
|
||||
if (sim_verbose)
|
||||
printf_filtered ("sim_detach: args \"%s\"\n", args);
|
||||
printf_filtered ("simif_detach: args \"%s\"\n", args);
|
||||
|
||||
pop_target (); /* calls sim_close to do the real work */
|
||||
pop_target (); /* calls simif_close to do the real work */
|
||||
if (from_tty)
|
||||
printf_filtered ("Ending simulator %s debugging\n", target_shortname);
|
||||
}
|
||||
|
||||
/* Tell the remote machine to resume. */
|
||||
/* FIXME: What are A and B? */
|
||||
/* Resume execution of the target process. STEP says whether to single-step
|
||||
or to run free; SIGGNAL is the signal value (e.g. SIGINT) to be given
|
||||
to the target, or zero for no signal. */
|
||||
|
||||
static void
|
||||
sim_resume (a,b)
|
||||
simif_resume (step, siggnal)
|
||||
int step, siggnal;
|
||||
{
|
||||
if (sim_verbose)
|
||||
printf_filtered ("sim_resume: %d/%d\n", a, b);
|
||||
printf_filtered ("simif_resume: step %d, signal %d\n", step, siggnal);
|
||||
|
||||
simif_resume (a, b);
|
||||
sim_resume (step, siggnal);
|
||||
}
|
||||
|
||||
/* Wait until the remote machine stops, then return,
|
||||
storing status in STATUS just as `wait' would. */
|
||||
/* Wait for inferior process to do something. Return pid of child,
|
||||
or -1 in case of error; store status through argument pointer STATUS,
|
||||
just as `wait' would. */
|
||||
|
||||
static int
|
||||
sim_wait (status)
|
||||
simif_wait (status)
|
||||
WAITTYPE *status;
|
||||
{
|
||||
if (sim_verbose)
|
||||
printf_filtered ("sim_wait: ");
|
||||
printf_filtered ("simif_wait: ");
|
||||
#if 1
|
||||
*status = simif_stop_signal ();
|
||||
*status = sim_stop_signal ();
|
||||
#else
|
||||
WSETSTOP (*status, simif_stop_signal ());
|
||||
WSETSTOP (*status, sim_stop_signal ());
|
||||
#endif
|
||||
if (sim_verbose)
|
||||
printf_filtered ("status %d\n", *status);
|
||||
@ -333,45 +347,46 @@ sim_wait (status)
|
||||
debugged. */
|
||||
|
||||
static void
|
||||
sim_prepare_to_store ()
|
||||
simif_prepare_to_store ()
|
||||
{
|
||||
/* Do nothing, since we can store individual regs */
|
||||
}
|
||||
|
||||
static int
|
||||
sim_xfer_inferior_memory (memaddr, myaddr, len, write, target)
|
||||
simif_xfer_inferior_memory (memaddr, myaddr, len, write, target)
|
||||
CORE_ADDR memaddr;
|
||||
char *myaddr;
|
||||
int len;
|
||||
int write;
|
||||
struct target_ops *target; /* ignored */
|
||||
{
|
||||
if (! program_loaded)
|
||||
error ("No program loaded.");
|
||||
|
||||
if (sim_verbose)
|
||||
{
|
||||
printf_filtered ("sim_xfer_inferior_memory: myaddr 0x%x, memaddr 0x%x, len %d, write %d\n",
|
||||
printf_filtered ("simif_xfer_inferior_memory: myaddr 0x%x, memaddr 0x%x, len %d, write %d\n",
|
||||
myaddr, memaddr, len, write);
|
||||
if (sim_verbose && write)
|
||||
dump_mem(myaddr, len);
|
||||
}
|
||||
|
||||
if (! program_loaded)
|
||||
error ("No program loaded.");
|
||||
|
||||
if (write)
|
||||
{
|
||||
len = simif_write (memaddr, myaddr, len);
|
||||
len = sim_write (memaddr, myaddr, len);
|
||||
}
|
||||
else
|
||||
{
|
||||
len = simif_read (memaddr, myaddr, len);
|
||||
if (sim_verbose && len > 0)
|
||||
len = sim_read (memaddr, myaddr, len);
|
||||
if (sim_verbose && len > 0)
|
||||
dump_mem(myaddr, len);
|
||||
}
|
||||
return len;
|
||||
}
|
||||
|
||||
static void
|
||||
sim_files_info ()
|
||||
simif_files_info (target)
|
||||
struct target_ops *target;
|
||||
{
|
||||
char *file = "nothing";
|
||||
|
||||
@ -379,19 +394,23 @@ sim_files_info ()
|
||||
file = bfd_get_filename (exec_bfd);
|
||||
|
||||
if (sim_verbose)
|
||||
printf_filtered ("sim_files_info: file \"%s\"\n", file);
|
||||
printf_filtered ("simif_files_info: file \"%s\"\n", file);
|
||||
|
||||
if (exec_bfd)
|
||||
printf_filtered ("\tAttached to %s running program %s\n",
|
||||
target_shortname, file);
|
||||
{
|
||||
printf_filtered ("\tAttached to %s running program %s\n",
|
||||
target_shortname, file);
|
||||
sim_info ();
|
||||
}
|
||||
}
|
||||
|
||||
/* Clear the sims notion of what the break points are */
|
||||
/* Clear the sims notion of what the break points are. */
|
||||
|
||||
static void
|
||||
sim_mourn ()
|
||||
simif_mourn_inferior ()
|
||||
{
|
||||
if (sim_verbose)
|
||||
printf_filtered ("sim_mourn:\n");
|
||||
printf_filtered ("simif_mourn_inferior:\n");
|
||||
|
||||
remove_breakpoints ();
|
||||
generic_mourn_inferior ();
|
||||
@ -399,23 +418,23 @@ sim_mourn ()
|
||||
|
||||
/* Define the target subroutine names */
|
||||
|
||||
struct target_ops sim_ops =
|
||||
struct target_ops simif_ops =
|
||||
{
|
||||
"sim", "Simulator",
|
||||
"Use the Simulator",
|
||||
sim_open, sim_close,
|
||||
0, sim_detach, sim_resume, sim_wait, /* attach */
|
||||
sim_fetch_register, sim_store_register,
|
||||
sim_prepare_to_store,
|
||||
sim_xfer_inferior_memory,
|
||||
sim_files_info,
|
||||
"sim", "simulator",
|
||||
"Use the simulator",
|
||||
simif_open, simif_close,
|
||||
0, simif_detach, simif_resume, simif_wait, /* attach */
|
||||
simif_fetch_register, simif_store_register,
|
||||
simif_prepare_to_store,
|
||||
simif_xfer_inferior_memory,
|
||||
simif_files_info,
|
||||
0, 0, /* Breakpoints */
|
||||
0, 0, 0, 0, 0, /* Terminal handling */
|
||||
sim_kill, /* FIXME, kill */
|
||||
sim_load,
|
||||
simif_kill, /* FIXME, kill */
|
||||
simif_load,
|
||||
0, /* lookup_symbol */
|
||||
sim_create_inferior, /* create_inferior */
|
||||
sim_mourn, /* mourn_inferior FIXME */
|
||||
simif_create_inferior, /* create_inferior */
|
||||
simif_mourn_inferior, /* mourn_inferior FIXME */
|
||||
0, /* can_run */
|
||||
0, /* notice_signals */
|
||||
process_stratum, 0, /* next */
|
||||
@ -425,7 +444,7 @@ struct target_ops sim_ops =
|
||||
};
|
||||
|
||||
static void
|
||||
sim_snoop ()
|
||||
simif_snoop ()
|
||||
{
|
||||
sim_verbose = ! sim_verbose;
|
||||
if (sim_verbose)
|
||||
@ -440,8 +459,8 @@ sim_snoop ()
|
||||
void
|
||||
_initialize_remote_sim ()
|
||||
{
|
||||
add_target (&sim_ops);
|
||||
add_com ("snoop", class_obscure, sim_snoop,
|
||||
add_target (&simif_ops);
|
||||
add_com ("snoop", class_obscure, simif_snoop,
|
||||
"Show what commands are going to the simulator");
|
||||
}
|
||||
|
||||
|
||||
@ -132,29 +132,6 @@ sparc64_single_step (ignore)
|
||||
}
|
||||
}
|
||||
|
||||
/* FIXME: sparc64_frame_chain() is temporary. sparc_frame_chain() can
|
||||
be fixed to support both of us. */
|
||||
|
||||
#define FRAME_SAVED_L0 0 /* Byte offset from SP */
|
||||
#define FRAME_SAVED_I0 (8*REGISTER_RAW_SIZE (0)) /* Byte offset from SP */
|
||||
|
||||
CORE_ADDR
|
||||
sparc64_frame_chain (thisframe)
|
||||
FRAME thisframe;
|
||||
{
|
||||
REGISTER_TYPE retval;
|
||||
int err;
|
||||
CORE_ADDR addr;
|
||||
|
||||
addr = thisframe->frame + FRAME_SAVED_I0 +
|
||||
REGISTER_RAW_SIZE (0) * (FP_REGNUM - I0_REGNUM);
|
||||
err = target_read_memory (addr, (char *) &retval, sizeof (REGISTER_TYPE));
|
||||
if (err)
|
||||
return 0;
|
||||
SWAP_TARGET_AND_HOST (&retval, sizeof (retval));
|
||||
return retval;
|
||||
}
|
||||
|
||||
CORE_ADDR
|
||||
sparc64_extract_struct_value_address (regbuf)
|
||||
char regbuf[REGISTER_BYTES];
|
||||
@ -166,36 +143,6 @@ sparc64_extract_struct_value_address (regbuf)
|
||||
return addr;
|
||||
}
|
||||
|
||||
/* Find the pc saved in frame FRAME. */
|
||||
/* FIXME: This function can be removed when sparc_frame_saved_pc
|
||||
handles us too. */
|
||||
|
||||
CORE_ADDR
|
||||
sparc64_frame_saved_pc (frame)
|
||||
FRAME frame;
|
||||
{
|
||||
int err;
|
||||
REGISTER_TYPE retval;
|
||||
CORE_ADDR addr,prev_pc;
|
||||
|
||||
if (get_current_frame () == frame) /* FIXME, debug check. Remove >=gdb-4.6 */
|
||||
{
|
||||
if (read_register (SP_REGNUM) != frame->bottom) abort();
|
||||
}
|
||||
|
||||
addr = frame->bottom + FRAME_SAVED_I0 +
|
||||
REGISTER_RAW_SIZE (0) * (I7_REGNUM - I0_REGNUM);
|
||||
err = target_read_memory (addr, (char *) &retval, sizeof (REGISTER_TYPE));
|
||||
if (err)
|
||||
return 0;
|
||||
SWAP_TARGET_AND_HOST (&retval, sizeof (retval));
|
||||
|
||||
/* CORE_ADDR isn't always the same size as REGISTER_TYPE, so convert. */
|
||||
|
||||
prev_pc = (CORE_ADDR) retval;
|
||||
return PC_ADJUST (prev_pc);
|
||||
}
|
||||
|
||||
/* Check instruction at ADDR to see if it is an annulled branch or other
|
||||
instruction whose npc isn't pc+4 (eg: trap, done, retry).
|
||||
All other instructions will go to NPC or will trap.
|
||||
@ -301,6 +248,46 @@ isbranch (instruction, addr, target)
|
||||
return val;
|
||||
}
|
||||
|
||||
/* PRINT_REGISTER_HOOK routine.
|
||||
Pretty print various registers. */
|
||||
|
||||
static void
|
||||
dump_ccreg (reg, val)
|
||||
char *reg;
|
||||
int val;
|
||||
{
|
||||
printf ("%s:%s,%s,%s,%s", reg,
|
||||
val & 8 ? "N" : "NN",
|
||||
val & 4 ? "Z" : "NZ",
|
||||
val & 2 ? "O" : "NO",
|
||||
val & 1 ? "C" : "NC"
|
||||
);
|
||||
}
|
||||
|
||||
void
|
||||
sparc_print_register_hook (regno)
|
||||
int regno;
|
||||
{
|
||||
if (((unsigned) (regno) - FP0_REGNUM < FP_MAX_REGNUM - FP0_REGNUM)
|
||||
&& ((regno) & 1) == 0)
|
||||
{
|
||||
char doublereg[8]; /* two float regs */
|
||||
if (!read_relative_register_raw_bytes ((regno), doublereg))
|
||||
{
|
||||
printf("\t");
|
||||
print_floating (doublereg, builtin_type_double, stdout);
|
||||
}
|
||||
}
|
||||
else if ((regno) == CCR_REGNUM)
|
||||
{
|
||||
int ccr = read_register (CCR_REGNUM);
|
||||
printf("\t");
|
||||
dump_ccreg ("xcc", ccr >> 4);
|
||||
printf(", ");
|
||||
dump_ccreg ("icc", ccr & 15);
|
||||
}
|
||||
}
|
||||
|
||||
/* We try to support 32 bit and 64 bit pointers.
|
||||
We are called when the Shade target is selected by shadeif.c. */
|
||||
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user