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authorgj <gj@FreeBSD.org>1997-05-02 11:22:51 +0000
committergj <gj@FreeBSD.org>1997-05-02 11:22:51 +0000
commit1d7bb525cf78ee3ede421fb7d3cc188d019e5f3c (patch)
tree4c397a447d39646523f6fc4f5f0974d34d4126be /gnu
parenta40e87d1439da30c1e22ecc084fd7187614b0924 (diff)
downloadFreeBSD-src-1d7bb525cf78ee3ede421fb7d3cc188d019e5f3c.zip
FreeBSD-src-1d7bb525cf78ee3ede421fb7d3cc188d019e5f3c.tar.gz
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.
Diffstat (limited to 'gnu')
-rw-r--r--gnu/usr.bin/binutils/gdb/Makefile4
-rw-r--r--gnu/usr.bin/gdb/gdb/Makefile4
-rw-r--r--gnu/usr.bin/gdb/gdb/kcorelow.c363
3 files changed, 4 insertions, 367 deletions
diff --git a/gnu/usr.bin/binutils/gdb/Makefile b/gnu/usr.bin/binutils/gdb/Makefile
index c9e751e..da9dbcb 100644
--- a/gnu/usr.bin/binutils/gdb/Makefile
+++ b/gnu/usr.bin/binutils/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/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 */
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