delete kcorelow.c, it didn't produce any code and broke init.c

because 2 references to _initialize_kcorelow (the other one
from kvm-fbsd.c) resulted. This prevented gdb from working correectly.

delete kcorelow.c from XSRCS in the Makefile.

2 files changed, 2 insertions, 365 deletions

diff --git a/gnu/usr.bin/gdb/gdb/Makefile b/gnu/usr.bin/gdb/gdb/Makefile
index c9e751e..da9dbcb 100644
--- a/gnu/usr.bin/gdb/gdb/Makefile
+++ b/gnu/usr.bin/gdb/gdb/Makefile
@@ -1,4 +1,4 @@
-#	$Id: Makefile,v 1.26 1997/05/01 13:40:57 peter Exp $
+#	$Id: Makefile,v 1.27 1997/05/01 16:24:37 pst Exp $
 
 PROG = gdb
 
@@ -15,7 +15,7 @@ XSRCS = annotate.c blockframe.c breakpoint.c buildsym.c c-lang.c \
 	elfread.c environ.c eval.c exec.c expprint.c \
 	findvar.c fork-child.c freebsd-nat.c gdbtypes.c \
 	i386-tdep.c infcmd.c inflow.c infptrace.c \
-	infrun.c inftarg.c kcorelow.c language.c \
+	infrun.c inftarg.c language.c \
 	m2-lang.c m2-typeprint.c m2-valprint.c main.c maint.c \
 	mem-break.c minsyms.c objfiles.c parse.c \
 	printcmd.c remote.c remote-utils.c solib.c source.c \
diff --git a/gnu/usr.bin/gdb/gdb/kcorelow.c b/gnu/usr.bin/gdb/gdb/kcorelow.c
deleted file mode 100644
index 8e3477d..0000000
--- a/gnu/usr.bin/gdb/gdb/kcorelow.c
+++ /dev/null
@@ -1,363 +0,0 @@
-/* Core dump and executable file functions below target vector, for GDB.
-   Copyright 1986, 1987, 1989, 1991, 1992 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.
-
-	$Id$
-*/
-
-#include "defs.h"
-
-#ifdef KERNEL_DEBUG
-
-#include <errno.h>
-#include <signal.h>
-#include <fcntl.h>
-#include <sys/param.h>
-#include <sys/time.h>
-#include <sys/proc.h>
-#include <sys/user.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 int		core_kd = -1;
-static struct proc	*cur_proc;
-static CORE_ADDR	kernel_start;
-
-/*
- * 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))))
-
-extern read_pcb (int, CORE_ADDR);
-
-CORE_ADDR
-ksym_lookup(name)
-const char *name;
-{
-	struct minimal_symbol *sym;
-
-	sym = lookup_minimal_symbol(name, (struct objfile *)NULL);
-	if (sym == NULL)
-		error("kernel symbol `%s' not found.", name);
-
-	return SYMBOL_VALUE_ADDRESS(sym);
-}
-
-static struct proc *
-curProc()
-{
-	struct proc *p;
-	CORE_ADDR addr = ksym_lookup("curproc");
-
-	if (kvread(addr, &p))
-		error("cannot read proc pointer at %x\n", addr);
-	return p;
-}
-
-/*
- * Set the process context to that of the proc structure at
- * system address paddr.
- */
-static int
-set_proc_context(paddr)
-	CORE_ADDR paddr;
-{
-	struct proc p;
-
-	if (paddr < kernel_start)
-		return (1);
-
-	cur_proc = (struct proc *)paddr;
-#ifdef notyet
-	set_kernel_boundaries(cur_proc);
-#endif
-
-	/* 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 = -1;
-	}
-}
-
-/* This routine opens and sets up the core file bfd */
-
-void
-kcore_open (filename, from_tty)
-	char *filename;
-	int from_tty;
-{
-	const char *p;
-	struct cleanup *old_chain;
-	char buf[256], *cp;
-	int ontop;
-	CORE_ADDR addr;
-	struct pcb pcb;
-
-	target_preopen (from_tty);
-	if (!filename) {
-		/*error (core_kd?*/
-		error ((core_kd >= 0)?
-	"No core file specified.  (Use `detach' to stop debugging a core file.)"
-			: "No core file specified.");
-	}
-
-	filename = tilde_expand (filename);
-	if (filename[0] != '/') {
-		cp = concat (current_directory, "/", filename, NULL);
-		free (filename);
-		filename = cp;
-	}
-
-	old_chain = make_cleanup (free, filename);
-
-      /*
-       * gdb doesn't really do anything if the exec-file couldn't
-       * be opened (in that case exec_bfd is NULL). Usually that's
-       * no big deal, but kvm_open needs the exec-file's name,
-       * which results in dereferencing a NULL pointer, a real NO-NO !
-       * So, check here if the open of the exec-file succeeded.
-       */
-      if (exec_bfd == NULL) /* the open failed */
-              error ("kgdb could not open the exec-file, please check the name you used !");
-
-	core_kd = kvm_open (exec_bfd->filename, filename, NULL,
-                          kernel_writablecore? O_RDWR: O_RDONLY, "kgdb: ");
-	if (core_kd < 0)
-		perror_with_name (filename);
-
-	/* 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);
-
-	kernel_start = bfd_get_start_address (exec_bfd); /* XXX */
-
-	/* 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("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''", current_target->to_longname);
-		return;
-	}
-
-	/* we may need this later */
-	cur_proc = (struct proc *)curProc();
-	/* 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);
-	print_stack_frame (selected_frame, selected_frame_level, 1);
-}
-
-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;
-{
-	struct user *uaddr;
-
-	/* find the pcb for the current process */
-	if (kvread(&cur_proc->p_addr, &uaddr))
-		error("cannot read u area ptr for proc at %#x", cur_proc);
-	if (read_pcb (core_kd, (CORE_ADDR)&uaddr->u_pcb) < 0)
-		error("cannot read pcb at %#x", &uaddr->u_pcb);
-}
-
-/* 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 void
-kcore_files_info (t)
-  struct target_ops *t;
-{
-	printf("\t`%s'\n", core_file);
-}
-
-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 (!memaddr)
-		return (0);
-
-	if (memaddr < kernel_start)
-		return xfer_umem(memaddr, myaddr, len, write);
-
-	n = write ?
-		kvm_write(core_kd, memaddr, myaddr, len) :
-		kvm_read(core_kd, memaddr, myaddr, len) ;
-
-	if (n < 0)
-		return 0;
-	return n;
-}
-
-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;
-}
-
-static void
-set_proc_cmd(arg)
-	char *arg;
-{
-	CORE_ADDR paddr;
-
-	if (!arg)
-		error_no_arg("proc address for new current process");
-	if (!kernel_debugging)
-		error("not debugging kernel");
-
-	paddr = (CORE_ADDR)parse_and_eval_address(arg);
-        if (set_proc_context(paddr))
-                error("invalid proc address");
-}
-
-struct target_ops kcore_ops = {
-	"kcore", "Kernel core dump file",
-	"Use a core file as a target.  Specify the filename of the core file.",
-	kcore_open, kcore_close,
-	find_default_attach, kcore_detach, 0, 0, /* resume, wait */
-	get_kcore_registers,
-	0, 0, /* store_regs, prepare_to_store */
-	xfer_kmem, kcore_files_info,
-	ignore, ignore, /* core_insert_breakpoint, core_remove_breakpoint, */
-	0, 0, 0, 0, 0, /* terminal stuff */
-	0, 0, 0, /* kill, load, lookup sym */
-	find_default_create_inferior, 0, /* mourn_inferior */
-	0, /* can_run */
-	0, /* notice_signals */
-	kcore_stratum, 0, /* next */
-	0, 1, 1, 1, 0,	/* all mem, mem, stack, regs, exec */
-	0, 0,			/* section pointers */
-	OPS_MAGIC,		/* Always the last thing */
-};
-
-void
-_initialize_kcorelow()
-{
-  add_target (&kcore_ops);
-  add_com ("proc", class_obscure, set_proc_cmd, "Set current process context");
-}
-
-#endif /* KERNEL_DEBUG */