1 files changed, 0 insertions, 438 deletions
diff --git a/gnu/usr.bin/binutils/gdb5/alpha/kvm-fbsd.c b/gnu/usr.bin/binutils/gdb5/alpha/kvm-fbsd.c
deleted file mode 100644
index 6da1a8e..0000000
--- a/gnu/usr.bin/binutils/gdb5/alpha/kvm-fbsd.c
+++ /dev/null
@@ -1,438 +0,0 @@
-/* Kernel core dump functions below target vector, for GDB.
-   Copyright 1986, 1987, 1989, 1991, 1992, 1993, 1994, 1995
-   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.
-*/
-
-/* $FreeBSD$ */
-
-/*
- * This works like "remote" but, you use it like this:
- *     target kcore /dev/mem
- * or
- *     target kcore /var/crash/host/core.0
- *
- * This way makes it easy to short-circut the whole bfd monster,
- * and direct the inferior stuff to our libkvm implementation.
- */
-
-#include <sys/param.h>
-#include <sys/time.h>
-#include <sys/proc.h>
-#include <sys/user.h>
-#include <errno.h>
-#include <signal.h>
-#include <fcntl.h>
-#include <kvm.h>
-#include <paths.h>
-
-#include "defs.h"
-#include "gdb_string.h"
-#include "frame.h"  /* required by inferior.h */
-#include "inferior.h"
-#include "symtab.h"
-#include "command.h"
-#include "bfd.h"
-#include "target.h"
-#include "gdbcore.h"
-
-static void
-kcore_files_info PARAMS ((struct target_ops *));
-
-static void
-kcore_close PARAMS ((int));
-
-static void
-get_kcore_registers PARAMS ((int));
-
-static int
-xfer_mem PARAMS ((CORE_ADDR, char *, int, int, struct target_ops *));
-
-static int
-xfer_umem PARAMS ((CORE_ADDR, char *, int, int));
-
-static char		*core_file;
-static kvm_t		*core_kd;
-static struct pcb	cur_pcb;
-
-static struct target_ops kcore_ops;
-int kernel_writablecore;
-
-/*
- * Read the "thing" at kernel address 'addr' into the space pointed to
- * by point.  The length of the "thing" is determined by the type of p.
- * Result is non-zero if transfer fails.
- */
-#define kvread(addr, p) \
-(target_read_memory((CORE_ADDR)(addr), (char *)(p), sizeof(*(p))))
-
-
-CORE_ADDR
-ksym_lookup(name)
-  const char *name;
-{
-  struct minimal_symbol *sym;
-
-  sym = lookup_minimal_symbol(name, NULL, NULL);
-  if (sym == NULL)
-    error("kernel symbol `%s' not found.", name);
-
-  return SYMBOL_VALUE_ADDRESS(sym);
-}
-
-/*
- * Provide the address of an initial PCB to use.
- * If this is a crash dump, try for "dumppcb".
- * If no "dumppcb" or it's /dev/mem, use proc0.
- * Return the core address of the PCB we found.
- */
-static CORE_ADDR
-initial_pcb()
-{
-  struct minimal_symbol *sym;
-  CORE_ADDR addr;
-  void *val;
-
-  /* Make sure things are open... */
-  if (!core_kd || !core_file)
-    return (0);
-
-  /* If this is NOT /dev/mem try for dumppcb. */
-  if (strncmp(core_file, _PATH_DEV, sizeof _PATH_DEV - 1)) {
-    sym = lookup_minimal_symbol("dumppcb", NULL, NULL);
-    if (sym != NULL) {
-      addr = SYMBOL_VALUE_ADDRESS(sym);
-      return (addr);
-    }
-  }
-
-  /*
-   * OK, just use proc0pcb.  Note that curproc might
-   * not exist, and if it does, it will point to gdb.
-   * Therefore, just use proc0 and let the user set
-   * some other context if they care about it.
-   */
-  addr = ksym_lookup("proc0paddr");
-  if (kvread(addr, &val)) {
-    error("cannot read proc0paddr pointer at %x\n", addr);
-    val = 0;
-  }
-
-  return ((CORE_ADDR)val);
-}
-
-/*
- * Set the current context to that of the PCB struct
- * at the system address passed.
- */
-static int
-set_context(addr)
-  CORE_ADDR addr;
-{
-
-  if (kvread(addr, &cur_pcb))
-    error("cannot read pcb at %#x", addr);
-
-  /* Fetch all registers from core file */
-  target_fetch_registers (-1);
-
-  /* Now, set up the frame cache, and print the top of stack */
-  flush_cached_frames();
-  set_current_frame (create_new_frame (read_fp (), read_pc ()));
-  select_frame (get_current_frame (), 0);
-  return (0);
-}
-
-/* Discard all vestiges of any previous core file and mark data and stack
-   spaces as empty.  */
-
-/* ARGSUSED */
-static void
-kcore_close (quitting)
-     int quitting;
-{
-
-  inferior_pid = 0;		/* Avoid confusion from thread stuff */
-
-  if (core_kd) {
-    kvm_close(core_kd);
-    free(core_file);
-    core_file = NULL;
-    core_kd = NULL;
-  }
-}
-
-/* This routine opens and sets up the core file bfd.  */
-
-static void
-kcore_open (filename, from_tty)
-     char *filename;	/* the core file */
-     int from_tty;
-{
-  kvm_t		*kd;
-  const char *p;
-  struct cleanup *old_chain;
-  char buf[256], *cp;
-  int ontop;
-  CORE_ADDR addr;
-
-  target_preopen (from_tty);
-
-  /* The exec file is required for symbols. */
-  if (exec_bfd == NULL)
-    error("No kernel exec file specified");
-
-  if (core_kd) {
-    error ("No core file specified."
-	   "  (Use `detach' to stop debugging a core file.)");
-    return;
-  }
-
-  if (!filename) {
-    error ("No core file specified.");
-    return;
-  }
-
-  filename = tilde_expand (filename);
-  if (filename[0] != '/') {
-    cp = concat (current_directory, "/", filename, NULL);
-    free (filename);
-    filename = cp;
-  }
-
-  old_chain = make_cleanup (free, filename);
-
-  kd = kvm_open (bfd_get_filename(exec_bfd), filename, NULL,
-		 kernel_writablecore ? O_RDWR: O_RDONLY, 0);
-  if (kd == NULL) {
-    perror_with_name (filename);
-    return;
-  }
-
-  /* Looks semi-reasonable.  Toss the old core file and work on the new.  */
-
-  discard_cleanups (old_chain);		/* Don't free filename any more */
-  core_file = filename;
-  unpush_target (&kcore_ops);
-  ontop = !push_target (&kcore_ops);
-
-  /* Note unpush_target (above) calls kcore_close. */
-  core_kd = kd;
-
-  /* print out the panic string if there is one */
-  if (kvread(ksym_lookup("panicstr"), &addr) == 0 &&
-      addr != 0 && 
-      target_read_memory(addr, buf, sizeof(buf)) == 0) {
-
-    for (cp = buf; cp < &buf[sizeof(buf)] && *cp; cp++)
-      if (!isascii(*cp) || (!isprint(*cp) && !isspace(*cp)))
-	*cp = '?';
-    *cp = '\0';
-    if (buf[0] != '\0')
-      printf_filtered("panic: %s\n", buf);
-  }
-
-  if (!ontop) {
-    warning (
-"you won't be able to access this core file until you terminate\n\
-your %s; do ``info files''", target_longname);
-    return;
-  }
-
-  /* Now, set up process context, and print the top of stack */
-  (void)set_context(initial_pcb());
-  print_stack_frame (selected_frame, selected_frame_level, 1);
-}
-
-static void
-kcore_detach (args, from_tty)
-     char *args;
-     int from_tty;
-{
-  if (args)
-    error ("Too many arguments");
-  unpush_target (&kcore_ops);
-  reinit_frame_cache ();
-  if (from_tty)
-    printf_filtered ("No kernel core file now.\n");
-}
-
-/* Get the registers out of a core file.  This is the machine-
-   independent part.  Fetch_core_registers is the machine-dependent
-   part, typically implemented in the xm-file for each architecture.  */
-
-/* We just get all the registers, so we don't use regno.  */
-
-/* ARGSUSED */
-static void
-get_kcore_registers (regno)
-     int regno;
-{
-
-  /*
-   * XXX - Only read the pcb when set_context() is called.
-   * When looking at a live kernel this may be a problem,
-   * but the user can do another "proc" or "pcb" command to
-   * grab a new copy of the pcb...
-   */
-
-  /*
-   * Zero out register set then fill in the ones we know about.
-   */
-  fetch_kcore_registers (&cur_pcb);
-}
-
-static void
-kcore_files_info (t)
-  struct target_ops *t;
-{
-  printf_filtered ("\t`%s'\n", core_file);
-}
-
-/* If mourn is being called in all the right places, this could be say
-   `gdb internal error' (since generic_mourn calls breakpoint_init_inferior).  */
-
-static int
-ignore (addr, contents)
-     CORE_ADDR addr;
-     char *contents;
-{
-  return 0;
-}
-
-static int
-xfer_kmem (memaddr, myaddr, len, write, target)
-  CORE_ADDR memaddr;
-  char *myaddr;
-  int len;
-  int write;
-  struct target_ops *target;
-{
-  int n;
-
-#if 0	/* XXX */
-  if (it is a user address)
-    return xfer_umem(memaddr, myaddr, len, write);
-#endif
-
-  if (core_kd == NULL)
-    return 0;
-
-  if (write)
-    n = kvm_write(core_kd, memaddr, myaddr, len);
-  else
-    n = kvm_read (core_kd, memaddr, myaddr, len) ;
-  if (n < 0) {
-    fprintf_unfiltered (gdb_stderr, "can not access 0x%x, %s\n",
-			memaddr, kvm_geterr(core_kd));
-    n = 0;
-  }
-
-  return n;
-}
-
-#if 0	/* XXX */
-static int
-xfer_umem (memaddr, myaddr, len, write)
-  CORE_ADDR memaddr;
-  char *myaddr;
-  int len;
-  int write; /* ignored */
-{
-  int n;
-  struct proc proc;
-
-  if (kvread(cur_proc, &proc))
-    error("cannot read proc at %#x", cur_proc);
-  n = kvm_uread(core_kd, &proc, memaddr, myaddr, len) ;
-
-  if (n < 0)
-    return 0;
-  return n;
-}
-#endif
-
-static void
-set_proc_cmd(arg)
-  char *arg;
-{
-  CORE_ADDR addr;
-  void *val;
-
-  if (!arg)
-    error_no_arg("proc address for the new context");
-
-  if (core_kd == NULL)
-    error("no kernel core file");
-
-  addr = (CORE_ADDR)parse_and_eval_address(arg);
-
-  /* Read the PCB address in proc structure. */
-  addr += (int) &((struct proc *)0)->p_addr;
-  if (kvread(addr, &val))
-    error("cannot read u area ptr");
-
-  if (set_context((CORE_ADDR)val))
-    error("invalid proc address");
-}
-
-static void
-set_pcb_cmd(arg)
-  char *arg;
-{
-  CORE_ADDR addr;
-  void *val;
-
-  if (!arg)
-    error_no_arg("pcb address for the new context");
-
-  if (core_kd == NULL)
-    error("no kernel core file");
-
-  addr = (CORE_ADDR)parse_and_eval_address(arg);
-
-  if (set_context(addr))
-    error("invalid pcb address");
-}
-
-
-
-void
-_initialize_kcorelow()
-{
-  kcore_ops.to_shortname = "kcore";
-  kcore_ops.to_longname = "Kernel core dump file";
-  kcore_ops.to_doc =
-    "Use a core file as a target.  Specify the filename of the core file.";
-  kcore_ops.to_open = kcore_open;
-  kcore_ops.to_close = kcore_close;
-  kcore_ops.to_attach = find_default_attach;
-  kcore_ops.to_detach = kcore_detach;
-  kcore_ops.to_fetch_registers = get_kcore_registers;
-  kcore_ops.to_xfer_memory = xfer_kmem;
-  kcore_ops.to_files_info = kcore_files_info;
-  kcore_ops.to_create_inferior = find_default_create_inferior;
-  kcore_ops.to_stratum = kcore_stratum;
-  kcore_ops.to_has_memory = 1;
-  kcore_ops.to_has_stack = 1;
-  kcore_ops.to_has_registers = 1;
-  kcore_ops.to_magic = OPS_MAGIC;
-
-  add_target (&kcore_ops);
-  add_com ("proc", class_obscure, set_proc_cmd, "Set current process context");
-}