binutils-gdb/gdb/bsd-kvm.c
Eli Zaretskii 197e01b6dc * breakpoint.c:
* arm-tdep.c:
	* ia64-tdep.c:
	* i386-tdep.c:
	* hpread.c:
	* hppa-tdep.c:
	* hppa-hpux-tdep.c:
	* gnu-nat.c:
	* gdbtypes.c:
	* gdbarch.h:
	* gdbarch.c:
	* eval.c:
	* dwarf2read.c:
	* dbxread.c:
	* copying:
	* symfile.c:
	* stabsread.c:
	* sh64-tdep.c:
	* sh-tdep.c:
	* s390-tdep.c:
	* rs6000-tdep.c:
	* remote.c:
	* remote-mips.c:
	* mips-tdep.c:
	* mdebugread.c:
	* linux-nat.c:
	* infrun.c:
	* xcoffread.c:
	* win32-nat.c:
	* valops.c:
	* utils.c:
	* tracepoint.c:
	* target.c:
	* symtab.c:
	* c-exp.y:
	* ada-valprint.c:
	* ada-typeprint.c:
	* ada-lex.l:
	* ada-lang.h:
	* ada-lang.c:
	* ada-exp.y:
	* alphafbsd-tdep.c:
	* alphabsd-tdep.h:
	* alphabsd-tdep.c:
	* alphabsd-nat.c:
	* alpha-tdep.h:
	* alpha-tdep.c:
	* alpha-osf1-tdep.c:
	* alpha-nat.c:
	* alpha-mdebug-tdep.c:
	* alpha-linux-tdep.c:
	* alpha-linux-nat.c:
	* aix-thread.c:
	* abug-rom.c:
	* arch-utils.c:
	* annotate.h:
	* annotate.c:
	* amd64obsd-tdep.c:
	* amd64obsd-nat.c:
	* amd64nbsd-tdep.c:
	* amd64nbsd-nat.c:
	* amd64fbsd-tdep.c:
	* amd64fbsd-nat.c:
	* amd64bsd-nat.c:
	* amd64-tdep.h:
	* amd64-tdep.c:
	* amd64-sol2-tdep.c:
	* amd64-nat.h:
	* amd64-nat.c:
	* amd64-linux-tdep.c:
	* amd64-linux-nat.c:
	* alphanbsd-tdep.c:
	* block.h:
	* block.c:
	* bfd-target.h:
	* bfd-target.c:
	* bcache.h:
	* bcache.c:
	* ax.h:
	* ax-general.c:
	* ax-gdb.h:
	* ax-gdb.c:
	* avr-tdep.c:
	* auxv.h:
	* auxv.c:
	* armnbsd-tdep.c:
	* armnbsd-nat.c:
	* arm-tdep.h:
	* arm-linux-nat.c:
	* arch-utils.h:
	* charset.c:
	* call-cmds.h:
	* c-valprint.c:
	* c-typeprint.c:
	* c-lang.h:
	* c-lang.c:
	* buildsym.h:
	* buildsym.c:
	* bsd-uthread.h:
	* bsd-uthread.c:
	* bsd-kvm.h:
	* bsd-kvm.c:
	* breakpoint.h:
	* core-regset.c:
	* core-aout.c:
	* completer.h:
	* completer.c:
	* complaints.h:
	* complaints.c:
	* command.h:
	* coffread.c:
	* coff-solib.h:
	* coff-solib.c:
	* coff-pe-read.h:
	* coff-pe-read.c:
	* cli-out.h:
	* cli-out.c:
	* charset.h:
	* dink32-rom.c:
	* dictionary.h:
	* dictionary.c:
	* demangle.c:
	* defs.h:
	* dcache.h:
	* dcache.c:
	* d10v-tdep.c:
	* cpu32bug-rom.c:
	* cp-valprint.c:
	* cp-support.h:
	* cp-support.c:
	* cp-namespace.c:
	* cp-abi.h:
	* cp-abi.c:
	* corelow.c:
	* corefile.c:
	* environ.c:
	* elfread.c:
	* dwarfread.c:
	* dwarf2loc.c:
	* dwarf2expr.h:
	* dwarf2expr.c:
	* dwarf2-frame.h:
	* dwarf2-frame.c:
	* dve3900-rom.c:
	* dummy-frame.h:
	* dummy-frame.c:
	* dsrec.c:
	* doublest.h:
	* doublest.c:
	* disasm.h:
	* disasm.c:
	* fork-child.c:
	* findvar.c:
	* fbsd-nat.h:
	* fbsd-nat.c:
	* f-valprint.c:
	* f-typeprint.c:
	* f-lang.h:
	* f-lang.c:
	* expression.h:
	* expprint.c:
	* exec.h:
	* exec.c:
	* exceptions.h:
	* exceptions.c:
	* event-top.h:
	* event-top.c:
	* event-loop.h:
	* event-loop.c:
	* gdb.c:
	* gdb-stabs.h:
	* gdb-events.h:
	* gdb-events.c:
	* gcore.c:
	* frv-tdep.h:
	* frv-tdep.c:
	* frv-linux-tdep.c:
	* frame.h:
	* frame.c:
	* frame-unwind.h:
	* frame-unwind.c:
	* frame-base.h:
	* frame-base.c:
	* gdb_vfork.h:
	* gdb_thread_db.h:
	* gdb_string.h:
	* gdb_stat.h:
	* gdb_regex.h:
	* gdb_ptrace.h:
	* gdb_proc_service.h:
	* gdb_obstack.h:
	* gdb_locale.h:
	* gdb_dirent.h:
	* gdb_curses.h:
	* gdb_assert.h:
	* gdbarch.sh:
	* gdb.h:
	* hpux-thread.c:
	* hppabsd-nat.c:
	* hppa-tdep.h:
	* hpacc-abi.c:
	* h8300-tdep.c:
	* gregset.h:
	* go32-nat.c:
	* gnu-v3-abi.c:
	* gnu-v2-abi.h:
	* gnu-v2-abi.c:
	* gnu-nat.h:
	* glibc-tdep.c:
	* gdbtypes.h:
	* gdbcore.h:
	* gdbcmd.h:
	* i386nbsd-tdep.c:
	* i386nbsd-nat.c:
	* i386gnu-tdep.c:
	* i386gnu-nat.c:
	* i386fbsd-tdep.c:
	* i386fbsd-nat.c:
	* i386bsd-tdep.c:
	* i386bsd-nat.h:
	* i386bsd-nat.c:
	* i386-tdep.h:
	* i386-sol2-nat.c:
	* i386-nto-tdep.c:
	* i386-nat.c:
	* i386-linux-tdep.h:
	* i386-linux-tdep.c:
	* i386-linux-nat.c:
	* i386-cygwin-tdep.c:
	* inf-ttrace.c:
	* inf-ptrace.h:
	* inf-ptrace.c:
	* inf-loop.h:
	* inf-loop.c:
	* inf-child.h:
	* inf-child.c:
	* ia64-tdep.h:
	* ia64-linux-nat.c:
	* i387-tdep.h:
	* i387-tdep.c:
	* i386v4-nat.c:
	* i386v-nat.c:
	* i386obsd-tdep.c:
	* i386obsd-nat.c:
	* kod.c:
	* jv-valprint.c:
	* jv-typeprint.c:
	* jv-lang.h:
	* jv-lang.c:
	* irix5-nat.c:
	* iq2000-tdep.c:
	* interps.h:
	* interps.c:
	* inftarg.c:
	* inflow.h:
	* inflow.c:
	* inferior.h:
	* infcmd.c:
	* infcall.h:
	* infcall.c:
	* inf-ttrace.h:
	* m32r-tdep.h:
	* m32r-tdep.c:
	* m32r-rom.c:
	* m32r-linux-tdep.c:
	* m32r-linux-nat.c:
	* m2-valprint.c:
	* m2-typeprint.c:
	* m2-lang.h:
	* m2-lang.c:
	* lynx-nat.c:
	* linux-thread-db.c:
	* linux-nat.h:
	* linespec.c:
	* libunwind-frame.h:
	* libunwind-frame.c:
	* language.h:
	* language.c:
	* macroexp.c:
	* macrocmd.c:
	* m88kbsd-nat.c:
	* m88k-tdep.h:
	* m88k-tdep.c:
	* m68klinux-tdep.c:
	* m68klinux-nat.c:
	* m68kbsd-tdep.c:
	* m68kbsd-nat.c:
	* m68k-tdep.h:
	* m68k-tdep.c:
	* mips-linux-nat.c:
	* mips-irix-tdep.c:
	* minsyms.c:
	* memattr.h:
	* memattr.c:
	* mem-break.c:
	* mdebugread.h:
	* main.h:
	* main.c:
	* macrotab.h:
	* macrotab.c:
	* macroscope.h:
	* macroscope.c:
	* macroexp.h:
	* nbsd-tdep.c:
	* mt-tdep.c:
	* monitor.h:
	* monitor.c:
	* mn10300-tdep.h:
	* mn10300-tdep.c:
	* mn10300-linux-tdep.c:
	* mipsv4-nat.c:
	* mipsread.c:
	* mipsnbsd-tdep.h:
	* mipsnbsd-tdep.c:
	* mipsnbsd-nat.c:
	* mips64obsd-tdep.c:
	* mips64obsd-nat.c:
	* mips-tdep.h:
	* mips-mdebug-tdep.c:
	* mips-linux-tdep.c:
	* osabi.h:
	* osabi.c:
	* ocd.h:
	* ocd.c:
	* observer.c:
	* objfiles.h:
	* objfiles.c:
	* objc-lang.h:
	* objc-lang.c:
	* objc-exp.y:
	* nto-tdep.h:
	* nto-tdep.c:
	* nto-procfs.c:
	* nlmread.c:
	* nbsd-tdep.h:
	* ppcobsd-tdep.c:
	* ppcobsd-nat.c:
	* ppcnbsd-tdep.h:
	* ppcnbsd-tdep.c:
	* ppcnbsd-nat.c:
	* ppcbug-rom.c:
	* ppc-tdep.h:
	* ppc-sysv-tdep.c:
	* ppc-linux-tdep.c:
	* ppc-linux-nat.c:
	* ppc-bdm.c:
	* parser-defs.h:
	* parse.c:
	* p-valprint.c:
	* p-typeprint.c:
	* p-lang.h:
	* p-lang.c:
	* remote-fileio.h:
	* remote-fileio.c:
	* remote-est.c:
	* remote-e7000.c:
	* regset.h:
	* regset.c:
	* reggroups.h:
	* reggroups.c:
	* regcache.h:
	* regcache.c:
	* proc-why.c:
	* proc-service.c:
	* proc-events.c:
	* printcmd.c:
	* ppcobsd-tdep.h:
	* sentinel-frame.h:
	* sentinel-frame.c:
	* scm-valprint.c:
	* scm-tags.h:
	* scm-lang.h:
	* scm-lang.c:
	* scm-exp.c:
	* s390-tdep.h:
	* rom68k-rom.c:
	* remote.h:
	* remote-utils.c:
	* remote-st.c:
	* remote-sim.c:
	* remote-sds.c:
	* remote-rdp.c:
	* remote-rdi.c:
	* remote-hms.c:
	* sim-regno.h:
	* shnbsd-tdep.h:
	* shnbsd-tdep.c:
	* shnbsd-nat.c:
	* sh-tdep.h:
	* serial.h:
	* serial.c:
	* ser-unix.h:
	* ser-unix.c:
	* ser-tcp.c:
	* ser-pipe.c:
	* ser-go32.c:
	* ser-e7kpc.c:
	* ser-base.h:
	* ser-base.c:
	* solib.c:
	* solib-svr4.h:
	* solib-svr4.c:
	* solib-sunos.c:
	* solib-som.h:
	* solib-som.c:
	* solib-pa64.h:
	* solib-pa64.c:
	* solib-osf.c:
	* solib-null.c:
	* solib-legacy.c:
	* solib-irix.c:
	* solib-frv.c:
	* solib-aix5.c:
	* sol-thread.c:
	* sparc64-linux-tdep.c:
	* sparc64-linux-nat.c:
	* sparc-tdep.h:
	* sparc-tdep.c:
	* sparc-sol2-tdep.c:
	* sparc-sol2-nat.c:
	* sparc-nat.h:
	* sparc-nat.c:
	* sparc-linux-tdep.c:
	* sparc-linux-nat.c:
	* source.h:
	* source.c:
	* somread.c:
	* solist.h:
	* solib.h:
	* std-regs.c:
	* stack.h:
	* stack.c:
	* stabsread.h:
	* sparcobsd-tdep.c:
	* sparcnbsd-tdep.c:
	* sparcnbsd-nat.c:
	* sparc64obsd-tdep.c:
	* sparc64nbsd-tdep.c:
	* sparc64nbsd-nat.c:
	* sparc64fbsd-tdep.c:
	* sparc64fbsd-nat.c:
	* sparc64-tdep.h:
	* sparc64-tdep.c:
	* sparc64-sol2-tdep.c:
	* sparc64-nat.c:
	* ui-file.c:
	* typeprint.h:
	* typeprint.c:
	* tramp-frame.h:
	* tramp-frame.c:
	* trad-frame.h:
	* trad-frame.c:
	* tracepoint.h:
	* top.c:
	* tobs.inc:
	* thread.c:
	* terminal.h:
	* target.h:
	* symfile.h:
	* stop-gdb.c:
	* vaxbsd-nat.c:
	* vax-tdep.h:
	* vax-tdep.c:
	* vax-nat.c:
	* varobj.h:
	* varobj.c:
	* value.h:
	* value.c:
	* valprint.h:
	* valprint.c:
	* v850-tdep.c:
	* uw-thread.c:
	* user-regs.c:
	* ui-out.h:
	* ui-out.c:
	* ui-file.h:
	* xcoffsolib.h:
	* xcoffsolib.c:
	* wrapper.c:
	* wince.c:
	* wince-stub.h:
	* wince-stub.c:
	* vaxobsd-tdep.c:
	* vaxnbsd-tdep.c:
	* gdb_gcore.sh:
	* copying.c:
	* configure.ac:
	* aclocal.m4:
	* acinclude.m4:
	* reply_mig_hack.awk:
	* observer.sh:
	* gdb_mbuild.sh:
	* arm-linux-tdep.c:
	* blockframe.c:
	* dbug-rom.c:
	* environ.h:
	* dwarf2loc.h:
	* gdb-events.sh:
	* glibc-tdep.h:
	* gdb_wait.h:
	* gdbthread.h:
	* i386-sol2-tdep.c:
	* hppabsd-tdep.c:
	* hppa-linux-nat.c:
	* hppa-hpux-nat.c:
	* ia64-linux-tdep.c:
	* infptrace.c:
	* linespec.h:
	* maint.c:
	* mips-mdebug-tdep.h:
	* remote-m32r-sdi.c:
	* s390-nat.c:
	* rs6000-nat.c:
	* remote-utils.h:
	* sh3-rom.c:
	* sh-linux-tdep.c:
	* top.h:
	* symtab.h:
	* symmisc.c:
	* symfile-mem.c:
	* srec.h:
	* user-regs.h:
	* version.h:
	* valarith.c:
	* xstormy16-tdep.c:
	* wrapper.h:
	* Makefile.in:
	* f-exp.y:
	* cris-tdep.c:
	* cp-name-parser.y:
	* procfs.c:
	* proc-utils.h:
	* proc-flags.c:
	* proc-api.c:
	* p-exp.y:
	* m68hc11-tdep.c:
	* m2-exp.y:
	* kod.h:
	* kod-cisco.c:
	* jv-exp.y:
	* hppa-linux-tdep.c: Add (c) after Copyright.  Update the FSF
	address.
2005-12-17 22:34:03 +00:00

343 lines
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/* BSD Kernel Data Access Library (libkvm) interface.
Copyright (C) 2004, 2005 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., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA. */
#include "defs.h"
#include "cli/cli-cmds.h"
#include "command.h"
#include "frame.h"
#include "regcache.h"
#include "target.h"
#include "value.h"
#include "gdbcore.h" /* for get_exec_file */
#include "gdb_assert.h"
#include <fcntl.h>
#include <kvm.h>
#ifdef HAVE_NLIST_H
#include <nlist.h>
#endif
#include <paths.h>
#include "readline/readline.h"
#include <sys/param.h>
#include <sys/proc.h>
#include <sys/user.h>
#include "bsd-kvm.h"
/* Kernel memory device file. */
static const char *bsd_kvm_corefile;
/* Kernel memory interface descriptor. */
static kvm_t *core_kd;
/* Address of process control block. */
static struct pcb *bsd_kvm_paddr;
/* Pointer to architecture-specific function that reconstructs the
register state from PCB and supplies it to REGCACHE. */
static int (*bsd_kvm_supply_pcb)(struct regcache *regcache, struct pcb *pcb);
/* Target ops for libkvm interface. */
static struct target_ops bsd_kvm_ops;
static void
bsd_kvm_open (char *filename, int from_tty)
{
char errbuf[_POSIX2_LINE_MAX];
char *execfile = NULL;
kvm_t *temp_kd;
target_preopen (from_tty);
if (filename)
{
char *temp;
filename = tilde_expand (filename);
if (filename[0] != '/')
{
temp = concat (current_directory, "/", filename, (char *)NULL);
xfree (filename);
filename = temp;
}
}
execfile = get_exec_file (0);
temp_kd = kvm_openfiles (execfile, filename, NULL, O_RDONLY, errbuf);
if (temp_kd == NULL)
error (("%s"), errbuf);
bsd_kvm_corefile = filename;
unpush_target (&bsd_kvm_ops);
core_kd = temp_kd;
push_target (&bsd_kvm_ops);
target_fetch_registers (-1);
flush_cached_frames ();
select_frame (get_current_frame ());
print_stack_frame (get_selected_frame (NULL), -1, 1);
}
static void
bsd_kvm_close (int quitting)
{
if (core_kd)
{
if (kvm_close (core_kd) == -1)
warning (("%s"), kvm_geterr(core_kd));
core_kd = NULL;
}
}
static LONGEST
bsd_kvm_xfer_memory (CORE_ADDR addr, ULONGEST len,
gdb_byte *readbuf, const gdb_byte *writebuf)
{
ssize_t nbytes = len;
if (readbuf)
nbytes = kvm_read (core_kd, addr, readbuf, nbytes);
if (writebuf && nbytes > 0)
nbytes = kvm_write (core_kd, addr, writebuf, nbytes);
return nbytes;
}
static LONGEST
bsd_kvm_xfer_partial (struct target_ops *ops, enum target_object object,
const char *annex, gdb_byte *readbuf,
const gdb_byte *writebuf,
ULONGEST offset, LONGEST len)
{
switch (object)
{
case TARGET_OBJECT_MEMORY:
return bsd_kvm_xfer_memory (offset, len, readbuf, writebuf);
default:
return -1;
}
}
static void
bsd_kvm_files_info (struct target_ops *ops)
{
if (bsd_kvm_corefile && strcmp (bsd_kvm_corefile, _PATH_MEM) != 0)
printf_filtered (_("\tUsing the kernel crash dump %s.\n"),
bsd_kvm_corefile);
else
printf_filtered (_("\tUsing the currently running kernel.\n"));
}
/* Fetch process control block at address PADDR. */
static int
bsd_kvm_fetch_pcb (struct pcb *paddr)
{
struct pcb pcb;
if (kvm_read (core_kd, (unsigned long) paddr, &pcb, sizeof pcb) == -1)
error (("%s"), kvm_geterr (core_kd));
gdb_assert (bsd_kvm_supply_pcb);
return bsd_kvm_supply_pcb (current_regcache, &pcb);
}
static void
bsd_kvm_fetch_registers (int regnum)
{
struct nlist nl[2];
if (bsd_kvm_paddr)
{
bsd_kvm_fetch_pcb (bsd_kvm_paddr);
return;
}
/* On dumping core, BSD kernels store the faulting context (PCB)
in the variable "dumppcb". */
memset (nl, 0, sizeof nl);
nl[0].n_name = "_dumppcb";
if (kvm_nlist (core_kd, nl) == -1)
error (("%s"), kvm_geterr (core_kd));
if (nl[0].n_value != 0)
{
/* Found dumppcb. If it contains a valid context, return
immediately. */
if (bsd_kvm_fetch_pcb ((struct pcb *) nl[0].n_value))
return;
}
/* Traditional BSD kernels have a process proc0 that should always
be present. The address of proc0's PCB is stored in the variable
"proc0paddr". */
memset (nl, 0, sizeof nl);
nl[0].n_name = "_proc0paddr";
if (kvm_nlist (core_kd, nl) == -1)
error (("%s"), kvm_geterr (core_kd));
if (nl[0].n_value != 0)
{
struct pcb *paddr;
/* Found proc0paddr. */
if (kvm_read (core_kd, nl[0].n_value, &paddr, sizeof paddr) == -1)
error (("%s"), kvm_geterr (core_kd));
bsd_kvm_fetch_pcb (paddr);
return;
}
#ifdef HAVE_STRUCT_THREAD_TD_PCB
/* In FreeBSD kernels for 5.0-RELEASE and later, the PCB no longer
lives in `struct proc' but in `struct thread'. The `struct
thread' for the initial thread for proc0 can be found in the
variable "thread0". */
memset (nl, 0, sizeof nl);
nl[0].n_name = "_thread0";
if (kvm_nlist (core_kd, nl) == -1)
error (("%s"), kvm_geterr (core_kd));
if (nl[0].n_value != 0)
{
struct pcb *paddr;
/* Found thread0. */
nl[0].n_value += offsetof (struct thread, td_pcb);
if (kvm_read (core_kd, nl[0].n_value, &paddr, sizeof paddr) == -1)
error (("%s"), kvm_geterr (core_kd));
bsd_kvm_fetch_pcb (paddr);
return;
}
#endif
/* i18n: PCB == "Process Control Block" */
error (_("Cannot find a valid PCB"));
}
/* Kernel memory interface commands. */
struct cmd_list_element *bsd_kvm_cmdlist;
static void
bsd_kvm_cmd (char *arg, int fromtty)
{
/* ??? Should this become an alias for "target kvm"? */
}
#ifndef HAVE_STRUCT_THREAD_TD_PCB
static void
bsd_kvm_proc_cmd (char *arg, int fromtty)
{
CORE_ADDR addr;
if (arg == NULL)
error_no_arg (_("proc address"));
if (core_kd == NULL)
error (_("No kernel memory image."));
addr = parse_and_eval_address (arg);
#ifdef HAVE_STRUCT_LWP
addr += offsetof (struct lwp, l_addr);
#else
addr += offsetof (struct proc, p_addr);
#endif
if (kvm_read (core_kd, addr, &bsd_kvm_paddr, sizeof bsd_kvm_paddr) == -1)
error (("%s"), kvm_geterr (core_kd));
target_fetch_registers (-1);
flush_cached_frames ();
select_frame (get_current_frame ());
print_stack_frame (get_selected_frame (NULL), -1, 1);
}
#endif
static void
bsd_kvm_pcb_cmd (char *arg, int fromtty)
{
if (arg == NULL)
/* i18n: PCB == "Process Control Block" */
error_no_arg (_("pcb address"));
if (core_kd == NULL)
error (_("No kernel memory image."));
bsd_kvm_paddr = (struct pcb *)(u_long) parse_and_eval_address (arg);
target_fetch_registers (-1);
flush_cached_frames ();
select_frame (get_current_frame ());
print_stack_frame (get_selected_frame (NULL), -1, 1);
}
/* Add the libkvm interface to the list of all possible targets and
register CUPPLY_PCB as the architecture-specific process control
block interpreter. */
void
bsd_kvm_add_target (int (*supply_pcb)(struct regcache *, struct pcb *))
{
gdb_assert (bsd_kvm_supply_pcb == NULL);
bsd_kvm_supply_pcb = supply_pcb;
bsd_kvm_ops.to_shortname = "kvm";
bsd_kvm_ops.to_longname = _("Kernel memory interface");
bsd_kvm_ops.to_doc = _("Use a kernel virtual memory image as a target.\n\
Optionally specify the filename of a core dump.");
bsd_kvm_ops.to_open = bsd_kvm_open;
bsd_kvm_ops.to_close = bsd_kvm_close;
bsd_kvm_ops.to_fetch_registers = bsd_kvm_fetch_registers;
bsd_kvm_ops.to_xfer_partial = bsd_kvm_xfer_partial;
bsd_kvm_ops.to_files_info = bsd_kvm_files_info;
bsd_kvm_ops.to_stratum = process_stratum;
bsd_kvm_ops.to_has_memory = 1;
bsd_kvm_ops.to_has_stack = 1;
bsd_kvm_ops.to_has_registers = 1;
bsd_kvm_ops.to_magic = OPS_MAGIC;
add_target (&bsd_kvm_ops);
add_prefix_cmd ("kvm", class_obscure, bsd_kvm_cmd, _("\
Generic command for manipulating the kernel memory interface."),
&bsd_kvm_cmdlist, "kvm ", 0, &cmdlist);
#ifndef HAVE_STRUCT_THREAD_TD_PCB
add_cmd ("proc", class_obscure, bsd_kvm_proc_cmd,
_("Set current context from proc address"), &bsd_kvm_cmdlist);
#endif
add_cmd ("pcb", class_obscure, bsd_kvm_pcb_cmd,
/* i18n: PCB == "Process Control Block" */
_("Set current context from pcb address"), &bsd_kvm_cmdlist);
}