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-rw-r--r--gdb/gdbserver/low-sim.c289
1 files changed, 0 insertions, 289 deletions
diff --git a/gdb/gdbserver/low-sim.c b/gdb/gdbserver/low-sim.c
deleted file mode 100644
index 8ad6e91d461..00000000000
--- a/gdb/gdbserver/low-sim.c
+++ /dev/null
@@ -1,289 +0,0 @@
-/* Low level interface to simulators, for the remote server for GDB.
- Copyright (C) 1995, 1996 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. */
-
-#include "defs.h"
-#include "bfd.h"
-#include "server.h"
-#include "callback.h" /* GDB simulator callback interface */
-#include "remote-sim.h" /* GDB simulator interface */
-
-extern int remote_debug;
-
-extern host_callback default_callback; /* in sim/common/callback.c */
-
-char registers[REGISTER_BYTES] __attribute__ ((aligned));
-
-int target_byte_order; /* used by simulator */
-
-/* We record the result of sim_open so we can pass it
- back to the other sim_foo routines. */
-static SIM_DESC gdbsim_desc = 0;
-
-/* This version of "load" should be usable for any simulator that
- does not support loading itself. */
-
-static void
-generic_load (loadfile_bfd)
- bfd *loadfile_bfd;
-{
- asection *s;
-
- for (s = loadfile_bfd->sections; s; s = s->next)
- {
- if (s->flags & SEC_LOAD)
- {
- bfd_size_type size;
-
- size = bfd_get_section_size_before_reloc (s);
- if (size > 0)
- {
- char *buffer;
- bfd_vma lma; /* use load address, not virtual address */
-
- buffer = xmalloc (size);
- lma = s->lma;
-
- /* Is this really necessary? I guess it gives the user something
- to look at during a long download. */
- printf ("Loading section %s, size 0x%lx lma 0x%lx\n",
- bfd_get_section_name (loadfile_bfd, s),
- (unsigned long) size,
- (unsigned long) lma); /* chops high 32 bits. FIXME!! */
-
- bfd_get_section_contents (loadfile_bfd, s, buffer, 0, size);
-
- write_inferior_memory (lma, buffer, size);
- free (buffer);
- }
- }
- }
-
- printf ("Start address 0x%lx\n",
- (unsigned long)loadfile_bfd->start_address);
-
- /* We were doing this in remote-mips.c, I suspect it is right
- for other targets too. */
- /* write_pc (loadfile_bfd->start_address); */ /* FIXME!! */
-}
-
-int
-create_inferior (program, argv)
- char *program;
- char **argv;
-{
- bfd *abfd;
- int pid = 0;
-#ifdef TARGET_BYTE_ORDER_SELECTABLE
- char **new_argv;
- int nargs;
-#endif
-
- abfd = bfd_openr (program, 0);
- if (!abfd)
- {
- fprintf (stderr, "gdbserver: can't open %s: %s\n",
- program, bfd_errmsg (bfd_get_error ()));
- exit (1);
- }
-
- if (!bfd_check_format (abfd, bfd_object))
- {
- fprintf (stderr, "gdbserver: unknown load format for %s: %s\n",
- program, bfd_errmsg (bfd_get_error ()));
- exit (1);
- }
-
-#ifdef TARGET_BYTE_ORDER_SELECTABLE
- /* Add "-E big" or "-E little" to the argument list depending on the
- endianness of the program to be loaded. */
- for (nargs = 0; argv[nargs] != NULL; nargs++) /* count the args */
- ;
- new_argv = alloca (sizeof (char *) * (nargs + 3)); /* allocate new args */
- for (nargs = 0; argv[nargs] != NULL; nargs++) /* copy old to new */
- new_argv[nargs] = argv[nargs];
- new_argv[nargs] = "-E";
- new_argv[nargs + 1] = bfd_big_endian (abfd) ? "big" : "little";
- new_argv[nargs + 2] = NULL;
- argv = new_argv;
-#endif
-
- /* Create an instance of the simulator. */
- default_callback.init (&default_callback);
- gdbsim_desc = sim_open (SIM_OPEN_STANDALONE, &default_callback, abfd, argv);
- if (gdbsim_desc == 0)
- exit (1);
-
- /* Load the program into the simulator. */
- if (abfd)
- if (sim_load (gdbsim_desc, program, NULL, 0) == SIM_RC_FAIL)
- generic_load (abfd);
-
- /* Create an inferior process in the simulator. This initializes SP. */
- sim_create_inferior (gdbsim_desc, abfd, argv, /* env */ NULL);
- sim_resume (gdbsim_desc, 1, 0); /* execute one instr */
- return pid;
-}
-
-/* Kill the inferior process. Make us have no inferior. */
-
-void
-kill_inferior ()
-{
- sim_close (gdbsim_desc, 0);
- default_callback.shutdown (&default_callback);
-}
-
-/* Fetch one register. */
-
-static void
-fetch_register (regno)
- int regno;
-{
- sim_fetch_register (gdbsim_desc, regno, &registers[REGISTER_BYTE (regno)],
- REGISTER_RAW_SIZE (regno));
-}
-
-/* Fetch all registers, or just one, from the child process. */
-
-void
-fetch_inferior_registers (regno)
- int regno;
-{
- if (regno == -1 || regno == 0)
- for (regno = 0; regno < NUM_REGS/*-NUM_FREGS*/; regno++)
- fetch_register (regno);
- else
- fetch_register (regno);
-}
-
-/* Store our register values back into the inferior.
- If REGNO is -1, do this for all registers.
- Otherwise, REGNO specifies which register (so we can save time). */
-
-void
-store_inferior_registers (regno)
- int regno;
-{
- if (regno == -1)
- {
- for (regno = 0; regno < NUM_REGS; regno++)
- store_inferior_registers (regno);
- }
- else
- sim_store_register (gdbsim_desc, regno, &registers[REGISTER_BYTE (regno)],
- REGISTER_RAW_SIZE (regno));
-}
-
-/* Return nonzero if the given thread is still alive. */
-int
-mythread_alive (pid)
- int pid;
-{
- return 1;
-}
-
-/* Wait for process, returns status */
-
-unsigned char
-mywait (status)
- char *status;
-{
- int sigrc;
- enum sim_stop reason;
-
- sim_stop_reason (gdbsim_desc, &reason, &sigrc);
- switch (reason)
- {
- case sim_exited:
- if (remote_debug)
- printf ("\nChild exited with retcode = %x \n", sigrc);
- *status = 'W';
- return sigrc;
-
-#if 0
- case sim_stopped:
- if (remote_debug)
- printf ("\nChild terminated with signal = %x \n", sigrc);
- *status = 'X';
- return sigrc;
-#endif
-
- default: /* should this be sim_signalled or sim_stopped? FIXME!! */
- if (remote_debug)
- printf ("\nChild received signal = %x \n", sigrc);
- fetch_inferior_registers (0);
- *status = 'T';
- return (unsigned char) sigrc;
- }
-}
-
-/* Resume execution of the inferior process.
- If STEP is nonzero, single-step it.
- If SIGNAL is nonzero, give it that signal. */
-
-void
-myresume (step, signo)
- int step;
- int signo;
-{
- /* Should be using target_signal_to_host() or signal numbers in target.h
- to convert GDB signal number to target signal number. */
- sim_resume (gdbsim_desc, step, signo);
-}
-
-/* Copy LEN bytes from inferior's memory starting at MEMADDR
- to debugger memory starting at MYADDR. */
-
-void
-read_inferior_memory (memaddr, myaddr, len)
- CORE_ADDR memaddr;
- char *myaddr;
- int len;
-{
- sim_read (gdbsim_desc, memaddr, myaddr, len);
-}
-
-/* Copy LEN bytes of data from debugger memory at MYADDR
- to inferior's memory at MEMADDR.
- On failure (cannot write the inferior)
- returns the value of errno. */
-
-int
-write_inferior_memory (memaddr, myaddr, len)
- CORE_ADDR memaddr;
- char *myaddr;
- int len;
-{
- sim_write (gdbsim_desc, memaddr, myaddr, len); /* should check for error. FIXME!! */
- return 0;
-}
-
-#if 0
-void
-initialize ()
-{
- inferior_pid = 0;
-}
-
-int
-have_inferior_p ()
-{
- return inferior_pid != 0;
-}
-#endif
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