/* umax host stuff.
|
/* umax host stuff.
|
Copyright (C) 1986, 1987, 1989, 1991 Free Software Foundation, Inc.
|
Copyright (C) 1986, 1987, 1989, 1991 Free Software Foundation, Inc.
|
|
|
This file is part of GDB.
|
This file is part of GDB.
|
|
|
This program is free software; you can redistribute it and/or modify
|
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
|
it under the terms of the GNU General Public License as published by
|
the Free Software Foundation; either version 2 of the License, or
|
the Free Software Foundation; either version 2 of the License, or
|
(at your option) any later version.
|
(at your option) any later version.
|
|
|
This program is distributed in the hope that it will be useful,
|
This program is distributed in the hope that it will be useful,
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
GNU General Public License for more details.
|
GNU General Public License for more details.
|
|
|
You should have received a copy of the GNU General Public License
|
You should have received a copy of the GNU General Public License
|
along with this program; if not, write to the Free Software
|
along with this program; if not, write to the Free Software
|
Foundation, Inc., 59 Temple Place - Suite 330,
|
Foundation, Inc., 59 Temple Place - Suite 330,
|
Boston, MA 02111-1307, USA. */
|
Boston, MA 02111-1307, USA. */
|
|
|
#include "defs.h"
|
#include "defs.h"
|
#include "frame.h"
|
#include "frame.h"
|
#include "inferior.h"
|
#include "inferior.h"
|
|
|
#include <sys/param.h>
|
#include <sys/param.h>
|
#include <sys/dir.h>
|
#include <sys/dir.h>
|
#include <signal.h>
|
#include <signal.h>
|
#include <sys/ioctl.h>
|
#include <sys/ioctl.h>
|
#include <fcntl.h>
|
#include <fcntl.h>
|
|
|
#include "gdbcore.h"
|
#include "gdbcore.h"
|
#include <sys/ptrace.h>
|
#include <sys/ptrace.h>
|
#define PTRACE_ATTACH PT_ATTACH
|
#define PTRACE_ATTACH PT_ATTACH
|
#define PTRACE_DETACH PT_FREEPROC
|
#define PTRACE_DETACH PT_FREEPROC
|
|
|
#include <sys/file.h>
|
#include <sys/file.h>
|
#include "gdb_stat.h"
|
#include "gdb_stat.h"
|
|
|
/* Work with core dump and executable files, for GDB.
|
/* Work with core dump and executable files, for GDB.
|
This code would be in corefile.c if it weren't machine-dependent. */
|
This code would be in corefile.c if it weren't machine-dependent. */
|
|
|
void
|
void
|
core_file_command (filename, from_tty)
|
core_file_command (filename, from_tty)
|
char *filename;
|
char *filename;
|
int from_tty;
|
int from_tty;
|
{
|
{
|
int val;
|
int val;
|
|
|
/* Discard all vestiges of any previous core file
|
/* Discard all vestiges of any previous core file
|
and mark data and stack spaces as empty. */
|
and mark data and stack spaces as empty. */
|
|
|
if (corefile)
|
if (corefile)
|
free (corefile);
|
free (corefile);
|
corefile = 0;
|
corefile = 0;
|
|
|
if (corechan >= 0)
|
if (corechan >= 0)
|
close (corechan);
|
close (corechan);
|
corechan = -1;
|
corechan = -1;
|
|
|
data_start = 0;
|
data_start = 0;
|
data_end = 0;
|
data_end = 0;
|
stack_start = STACK_END_ADDR;
|
stack_start = STACK_END_ADDR;
|
stack_end = STACK_END_ADDR;
|
stack_end = STACK_END_ADDR;
|
|
|
/* Now, if a new core file was specified, open it and digest it. */
|
/* Now, if a new core file was specified, open it and digest it. */
|
|
|
if (filename)
|
if (filename)
|
{
|
{
|
filename = tilde_expand (filename);
|
filename = tilde_expand (filename);
|
make_cleanup (free, filename);
|
make_cleanup (free, filename);
|
|
|
if (have_inferior_p ())
|
if (have_inferior_p ())
|
error ("To look at a core file, you must kill the program with \"kill\".");
|
error ("To look at a core file, you must kill the program with \"kill\".");
|
corechan = open (filename, O_RDONLY, 0);
|
corechan = open (filename, O_RDONLY, 0);
|
if (corechan < 0)
|
if (corechan < 0)
|
perror_with_name (filename);
|
perror_with_name (filename);
|
/* 4.2-style (and perhaps also sysV-style) core dump file. */
|
/* 4.2-style (and perhaps also sysV-style) core dump file. */
|
{
|
{
|
struct ptrace_user u;
|
struct ptrace_user u;
|
int reg_offset;
|
int reg_offset;
|
|
|
val = myread (corechan, &u, sizeof u);
|
val = myread (corechan, &u, sizeof u);
|
if (val < 0)
|
if (val < 0)
|
perror_with_name (filename);
|
perror_with_name (filename);
|
data_start = exec_data_start;
|
data_start = exec_data_start;
|
|
|
data_end = data_start + u.pt_dsize;
|
data_end = data_start + u.pt_dsize;
|
stack_start = stack_end - u.pt_ssize;
|
stack_start = stack_end - u.pt_ssize;
|
data_offset = sizeof u;
|
data_offset = sizeof u;
|
stack_offset = data_offset + u.pt_dsize;
|
stack_offset = data_offset + u.pt_dsize;
|
reg_offset = 0;
|
reg_offset = 0;
|
|
|
memcpy (&core_aouthdr, &u.pt_aouthdr, sizeof (AOUTHDR));
|
memcpy (&core_aouthdr, &u.pt_aouthdr, sizeof (AOUTHDR));
|
printf_unfiltered ("Core file is from \"%s\".\n", u.pt_comm);
|
printf_unfiltered ("Core file is from \"%s\".\n", u.pt_comm);
|
if (u.pt_signal > 0)
|
if (u.pt_signal > 0)
|
printf_unfiltered ("Program terminated with signal %d, %s.\n",
|
printf_unfiltered ("Program terminated with signal %d, %s.\n",
|
u.pt_signal, safe_strsignal (u.pt_signal));
|
u.pt_signal, safe_strsignal (u.pt_signal));
|
|
|
/* Read the register values out of the core file and store
|
/* Read the register values out of the core file and store
|
them where `read_register' will find them. */
|
them where `read_register' will find them. */
|
|
|
{
|
{
|
register int regno;
|
register int regno;
|
|
|
for (regno = 0; regno < NUM_REGS; regno++)
|
for (regno = 0; regno < NUM_REGS; regno++)
|
{
|
{
|
char buf[MAX_REGISTER_RAW_SIZE];
|
char buf[MAX_REGISTER_RAW_SIZE];
|
|
|
val = lseek (corechan, register_addr (regno, reg_offset), 0);
|
val = lseek (corechan, register_addr (regno, reg_offset), 0);
|
if (val < 0)
|
if (val < 0)
|
perror_with_name (filename);
|
perror_with_name (filename);
|
|
|
val = myread (corechan, buf, sizeof buf);
|
val = myread (corechan, buf, sizeof buf);
|
if (val < 0)
|
if (val < 0)
|
perror_with_name (filename);
|
perror_with_name (filename);
|
supply_register (regno, buf);
|
supply_register (regno, buf);
|
}
|
}
|
}
|
}
|
}
|
}
|
if (filename[0] == '/')
|
if (filename[0] == '/')
|
corefile = savestring (filename, strlen (filename));
|
corefile = savestring (filename, strlen (filename));
|
else
|
else
|
{
|
{
|
corefile = concat (current_directory, "/", filename, NULL);
|
corefile = concat (current_directory, "/", filename, NULL);
|
}
|
}
|
|
|
flush_cached_frames ();
|
flush_cached_frames ();
|
select_frame (get_current_frame (), 0);
|
select_frame (get_current_frame (), 0);
|
validate_files ();
|
validate_files ();
|
}
|
}
|
else if (from_tty)
|
else if (from_tty)
|
printf_unfiltered ("No core file now.\n");
|
printf_unfiltered ("No core file now.\n");
|
}
|
}
|
|
|
