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
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@ -0,0 +1,87 @@
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/* This file defines the interface between the simulator and gdb.
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Copyright (C) 1993 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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#if !defined (REMOTE_SIM_H)
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#define REMOTE_SIM_H 1
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/* Main simulator globals ... */
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extern int sim_verbose;
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/* Main simulator entry points ...
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All functions return 0 for success and non-zero for failure. */
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/* Initialize the simulator. This function is called when the simulator
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is selected from the command line. ARGS is passed from the command line
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and can be used to select whatever run time options the simulator provides.
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ARGS is the raw character string and must be parsed by the simulator. */
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int sim_open PARAMS ((char *name));
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/* Load program PROG into the simulator.
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We use "void *" instead of "bfd *" to isolate this file from BFD. */
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int sim_load PARAMS ((void *bfd_handle, char *args));
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/* Set the arguments and environment for the program loaded into the
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simulator. ARGV and ENV are NULL terminated lists of pointers.
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If the simulator doesn't support setting arguments, print an error message
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and return non-zero. */
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int sim_set_args PARAMS ((char **argv, char **env));
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/* Fetch register REGNO and store the raw value in BUF. */
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int sim_fetch_register PARAMS ((int regno, char *buf));
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/* Store register REGNO from BUF (in raw format). */
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int sim_store_register PARAMS ((int regno, char *buf));
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/* Kill the running program.
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This may involve closing any open files and deleting any mmap'd areas. */
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int sim_kill PARAMS ((void));
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/* Read LENGTH bytes of the simulated program's memory and store in BUF. */
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int sim_read PARAMS ((CORE_ADDR mem, char *buf, int length));
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/* Store LENGTH bytes from BUF in the simulated program's memory. */
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int sim_write PARAMS ((CORE_ADDR mem, char *buf, int length));
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/* Print some interesting information about the simulator. */
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int sim_info PARAMS ((void));
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/* Set the simulated cpu's program counter to PC. */
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int sim_set_pc PARAMS ((CORE_ADDR pc));
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/* Fetch why the program stopped. */
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int sim_stop_signal PARAMS ((void));
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/* Run (or resume) the program. */
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int sim_resume PARAMS ((int step, int siggnal));
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#endif /* !defined (REMOTE_SIM_H) */
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@ -1,7 +1,7 @@
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/* Generic remote debugging interface for simulators.
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Copyright 1993 Free Software Foundation, Inc.
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Contributed by Cygnus Support. Hacked from Steve Chamberlain's Z8000 work
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by Doug Evans. (dje@cygnus.com).
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Contributed by Cygnus Support.
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Steve Chamberlain (sac@cygnus.com) and Doug Evans (dje@cygnus.com).
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This file is part of GDB.
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@ -32,70 +32,20 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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#include "terminal.h"
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#include "target.h"
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#include "gdbcore.h"
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#include "simif.h"
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#include "remote-sim.h"
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/* Naming conventions:
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sim_xxx are internal objects that describe top level interfaces to the
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simulator.
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simif_xxx are internal objects that describe top level interfaces to the
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simulator (simif for SIMulator InterFace, duh...).
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simif_xxx are external counterparts to the sim_xxx objects that must be
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provided by the simulator (simif for SIMulator InterFace, duh...).
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sim_xxx are external counterparts to the simif_xxx objects that must be
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provided by the simulator.
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A complete list of them is:
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--- Fetch one register and store the raw value in BUF.
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int simif_fetch_register (int regno, char *buf);
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--- Store VAL in one register.
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int simif_store_register (int regno, char *val);
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--- Complete terminate the simulator. This includes freeing all memory,
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closing all open files, and releasing all mmap'd memory.
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int simif_kill (void);
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--- Load program PROG into the simulator.
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int simif_load (bfd *abfd, char *prog);
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--- Set the arguments and environment for the program loaded into the
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simulator. ARGV and ENV are NULL terminated lists of pointers.
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int simif_set_args (char **argv, char **env);
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--- Initialize the simulator. This function is called when the simulator
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is selected from the command line. ARGS is passed from the command line
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and can be used to select whatever run time options the simulator provides.
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ARGS is the raw character string and must be parsed by the simulator.
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int simif_open (char *args);
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--- Start running the program, or resume it after a breakpoint.
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FIXME: What are A and B?
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int simif_resume (int a, int b);
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--- Fetch the reason why the program stopped running (breakpoint, signal,
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etc.)
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WAITTYPE simif_stop_signal (void);
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--- Write some data into the program's memory.
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Result is 0 for success, nonzero for failure.
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int simif_write (CORE_ADDR memaddr, char *myaddr, int len);
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--- Read some data from the program's memory.
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Result is 0 for success, nonzero for failure.
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int simif_read (CORE_ADDR memaddr, char *myaddr, int len);
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*/
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See simif.h for a description. */
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/* Forward data declarations */
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extern struct target_ops sim_ops;
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extern struct target_ops simif_ops;
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int sim_verbose = 0; /* available to the simulator to use */
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@ -104,81 +54,78 @@ static int program_loaded = 0;
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static void dump_mem ();
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static void
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sim_fetch_register (regno)
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simif_fetch_register (regno)
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int regno;
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{
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if (regno == -1)
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{
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if (sim_verbose)
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printf_filtered ("sim_fetch_register: %d\n", regno);
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/* FIXME: Where did the 16 come from and what does it need to be? */
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for (regno = 0; regno < 16; regno++)
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sim_fetch_register (regno);
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for (regno = 0; regno < NUM_REGS; regno++)
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simif_fetch_register (regno);
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}
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else
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{
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char buf[MAX_REGISTER_RAW_SIZE];
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simif_fetch_register (regno, buf);
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sim_fetch_register (regno, buf);
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supply_register (regno, buf);
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if (sim_verbose)
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{
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printf_filtered ("sim_fetch_register: %d", regno);
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dump_mem (buf, sizeof (REGISTER_TYPE));
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printf_filtered ("simif_fetch_register: %d", regno);
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/* FIXME: We could print something more intelligible. */
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dump_mem (buf, REGISTER_RAW_SIZE (regno));
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}
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}
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}
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static void
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sim_store_register (regno)
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simif_store_register (regno)
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int regno;
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{
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if (regno == -1)
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{
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if (sim_verbose)
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printf_filtered ("sim_store_register: %d\n", regno);
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/* FIXME: 16? */
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for (regno = 0; regno < 16; regno++)
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sim_store_register (regno);
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for (regno = 0; regno < NUM_REGS; regno++)
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simif_store_register (regno);
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}
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else
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{
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char value[sizeof (REGISTER_TYPE)];
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/* FIXME: Until read_register() returns LONGEST, we have this. */
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char value[MAX_REGISTER_RAW_SIZE];
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read_register_gen (regno, value);
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SWAP_TARGET_AND_HOST (value, sizeof (REGISTER_TYPE));
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simif_store_register (regno, value);
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SWAP_TARGET_AND_HOST (value, REGISTER_RAW_SIZE (regno));
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sim_store_register (regno, value);
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if (sim_verbose)
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{
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printf_filtered ("sim_store_register: %d", regno);
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dump_mem (value, sizeof (REGISTER_TYPE));
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printf_filtered ("simif_store_register: %d", regno);
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/* FIXME: We could print something more intelligible. */
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dump_mem (value, REGISTER_RAW_SIZE (regno));
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}
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}
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}
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static void
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sim_kill (arg,from_tty)
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char *arg;
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int from_tty;
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simif_kill ()
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{
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if (sim_verbose)
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printf_filtered ("sim_kill: arg \"%s\"\n", arg);
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printf_filtered ("simif_kill\n");
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simif_kill (); /* close fd's, remove mappings */
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sim_kill (); /* close fd's, remove mappings */
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inferior_pid = 0;
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}
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/* Load program PROG into the sim. */
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/* Load an executable file into the target process. This is expected to
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not only bring new code into the target process, but also to update
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GDB's symbol tables to match. */
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static void
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sim_load (prog, fromtty)
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simif_load (prog, fromtty)
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char *prog;
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int fromtty;
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{
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bfd *abfd;
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if (sim_verbose)
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printf_filtered ("sim_load: prog \"%s\"\n", prog);
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printf_filtered ("simif_load: prog \"%s\"\n", prog);
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inferior_pid = 0;
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program_loaded = 0;
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@ -187,22 +134,69 @@ sim_load (prog, fromtty)
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if (!abfd)
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error ("Unable to open file %s.", prog);
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if (bfd_check_format (abfd, bfd_object) ==0)
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if (bfd_check_format (abfd, bfd_object) == 0)
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error ("File is not an object file.");
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if (simif_load (abfd, prog) != 0)
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if (sim_load (abfd, prog) != 0)
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return;
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program_loaded = 1;
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simif_set_pc (abfd->start_address);
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sim_set_pc (abfd->start_address);
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}
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/*
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* This is a utility routine that sim_load() can call to do the work.
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* The result is 0 for success, non-zero for failure.
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*
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* Eg: int sim_load (bfd *bfd, char *prog) { return sim_load_standard (bfd); }
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*/
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sim_load_standard (abfd)
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bfd *abfd;
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{
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asection *s;
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s = abfd->sections;
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while (s != (asection *)NULL)
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{
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if (s->flags & SEC_LOAD)
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{
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int i;
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int delta = 4096;
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char *buffer = xmalloc (delta);
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printf_filtered ("%s\t: 0x%4x .. 0x%4x ",
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s->name, s->vma, s->vma + s->_raw_size);
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for (i = 0; i < s->_raw_size; i+= delta)
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{
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int sub_delta = delta;
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if (sub_delta > s->_raw_size - i)
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sub_delta = s->_raw_size - i ;
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bfd_get_section_contents (abfd, s, buffer, i, sub_delta);
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sim_write (s->vma + i, buffer, sub_delta);
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printf_filtered ("*");
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fflush (stdout);
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}
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printf_filtered ("\n");
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free (buffer);
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}
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s = s->next;
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}
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return 0;
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}
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/* Start an inferior process and set inferior_pid to its pid.
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EXEC_FILE is the file to run.
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ALLARGS is a string containing the arguments to the program.
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ENV is the environment vector to pass. Errors reported with error().
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On VxWorks and various standalone systems, we ignore exec_file. */
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/* This is called not only when we first attach, but also when the
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user types "run" after having attached. */
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static void
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sim_create_inferior (exec_file, args, env)
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simif_create_inferior (exec_file, args, env)
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char *exec_file;
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char *args;
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char **env;
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@ -214,7 +208,7 @@ sim_create_inferior (exec_file, args, env)
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error ("No program loaded.");
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if (sim_verbose)
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printf_filtered ("sim_create_inferior: exec_file \"%s\", args \"%s\"\n",
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printf_filtered ("simif_create_inferior: exec_file \"%s\", args \"%s\"\n",
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exec_file, args);
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if (exec_file == 0 || exec_bfd == 0)
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@ -222,7 +216,7 @@ sim_create_inferior (exec_file, args, env)
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entry_pt = (int) bfd_get_start_address (exec_bfd);
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sim_kill (NULL, NULL);
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simif_kill (NULL, NULL);
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remove_breakpoints ();
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init_wait_for_inferior ();
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@ -234,92 +228,112 @@ sim_create_inferior (exec_file, args, env)
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strcat (arg_buf, args);
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argv = buildargv (arg_buf);
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make_cleanup (freeargv, (char *) argv);
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simif_set_args (argv, env);
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if (sim_set_args (argv, env) != 0)
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return;
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inferior_pid = 42;
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insert_breakpoints (); /* Needed to get correct instruction in cache */
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proceed (entry_pt, -1, 0);
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}
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/* The open routine takes the rest of the parameters from the command,
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and (if successful) pushes a new target onto the stack.
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Targets should supply this routine, if only to provide an error message. */
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/* Called when selecting the simulator. EG: (gdb) target sim name. */
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static void
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sim_open (args, from_tty)
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simif_open (args, from_tty)
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char *args;
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int from_tty;
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{
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if (sim_verbose)
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printf_filtered ("sim_open: args \"%s\"\n", args);
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printf_filtered ("simif_open: args \"%s\"\n", args);
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if (simif_open (args) != 0)
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if (sim_open (args) != 0)
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{
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error ("Unable to initialize simulator (insufficient memory?).");
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return;
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}
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push_target (&sim_ops);
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push_target (&simif_ops);
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target_fetch_registers (-1);
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/* FIXME: check from_tty here? */
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printf_filtered ("Connected to the simulator.\n");
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}
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/* Does whatever cleanup is required for a target that we are no longer
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going to be calling. Argument says whether we are quitting gdb and
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should not get hung in case of errors, or whether we want a clean
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termination even if it takes a while. This routine is automatically
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always called just before a routine is popped off the target stack.
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Closing file descriptors and freeing memory are typical things it should
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do. */
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/* Close out all files and local state before this target loses control. */
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static void
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sim_close (quitting)
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simif_close (quitting)
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int quitting;
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{
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if (sim_verbose)
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printf_filtered ("sim_close: quitting %d\n", quitting);
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printf_filtered ("simif_close: quitting %d\n", quitting);
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program_loaded = 0;
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/* FIXME: Need to call simif_close() to close all files and
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/* FIXME: Need to call sim_close() to close all files and
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delete all mappings. */
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}
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/* Takes a program previously attached to and detaches it.
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The program may resume execution (some targets do, some don't) and will
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no longer stop on signals, etc. We better not have left any breakpoints
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in the program or it'll die when it hits one. ARGS is arguments
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typed by the user (e.g. a signal to send the process). FROM_TTY
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says whether to be verbose or not. */
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/* Terminate the open connection to the remote debugger.
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Use this when you want to detach and do something else
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with your gdb. */
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Use this when you want to detach and do something else with your gdb. */
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static void
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sim_detach (args,from_tty)
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simif_detach (args,from_tty)
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char *args;
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int from_tty;
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{
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if (sim_verbose)
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printf_filtered ("sim_detach: args \"%s\"\n", args);
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printf_filtered ("simif_detach: args \"%s\"\n", args);
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pop_target (); /* calls sim_close to do the real work */
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pop_target (); /* calls simif_close to do the real work */
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if (from_tty)
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printf_filtered ("Ending simulator %s debugging\n", target_shortname);
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}
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/* Tell the remote machine to resume. */
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/* FIXME: What are A and B? */
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/* Resume execution of the target process. STEP says whether to single-step
|
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or to run free; SIGGNAL is the signal value (e.g. SIGINT) to be given
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to the target, or zero for no signal. */
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static void
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sim_resume (a,b)
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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…
Reference in New Issue