| /* OBSOLETE /* Low level interface to ptrace, for GDB when running under m68k SVR2 Unix */ |
| /* OBSOLETE on Altos 3068. Report bugs to Jyrki Kuoppala <jkp@cs.hut.fi> */ |
| /* OBSOLETE Copyright (C) 1989, 1991 Free Software Foundation, Inc. */ |
| /* OBSOLETE */ |
| /* OBSOLETE This file is part of GDB. */ |
| /* OBSOLETE */ |
| /* OBSOLETE This program is free software; you can redistribute it and/or modify */ |
| /* OBSOLETE it under the terms of the GNU General Public License as published by */ |
| /* OBSOLETE the Free Software Foundation; either version 2 of the License, or */ |
| /* OBSOLETE (at your option) any later version. */ |
| /* OBSOLETE */ |
| /* OBSOLETE This program is distributed in the hope that it will be useful, */ |
| /* OBSOLETE but WITHOUT ANY WARRANTY; without even the implied warranty of */ |
| /* OBSOLETE MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the */ |
| /* OBSOLETE GNU General Public License for more details. */ |
| /* OBSOLETE */ |
| /* OBSOLETE You should have received a copy of the GNU General Public License */ |
| /* OBSOLETE along with this program; if not, write to the Free Software */ |
| /* OBSOLETE Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *x/ */ |
| /* OBSOLETE */ |
| /* OBSOLETE #include "defs.h" */ |
| /* OBSOLETE #include "frame.h" */ |
| /* OBSOLETE #include "inferior.h" */ |
| /* OBSOLETE */ |
| /* OBSOLETE #ifdef USG */ |
| /* OBSOLETE #include <sys/types.h> */ |
| /* OBSOLETE #endif */ |
| /* OBSOLETE */ |
| /* OBSOLETE #include <sys/param.h> */ |
| /* OBSOLETE #include <sys/dir.h> */ |
| /* OBSOLETE #include <signal.h> */ |
| /* OBSOLETE #include <sys/ioctl.h> */ |
| /* OBSOLETE #include <fcntl.h> */ |
| /* OBSOLETE #ifdef USG */ |
| /* OBSOLETE #include <sys/page.h> */ |
| /* OBSOLETE #ifdef ALTOS */ |
| /* OBSOLETE #include <sys/net.h> */ |
| /* OBSOLETE #include <errno.h> */ |
| /* OBSOLETE #endif */ |
| /* OBSOLETE #endif */ |
| /* OBSOLETE */ |
| /* OBSOLETE #include "gdbcore.h" */ |
| /* OBSOLETE #include <sys/user.h> /* After a.out.h *x/ */ |
| /* OBSOLETE #include <sys/file.h> */ |
| /* OBSOLETE #include "gdb_stat.h" */ |
| /* OBSOLETE */ |
| /* OBSOLETE */ |
| /* OBSOLETE /* Work with core dump and executable files, for GDB. */ |
| /* OBSOLETE This code would be in corefile.c if it weren't machine-dependent. *x/ */ |
| /* OBSOLETE */ |
| /* OBSOLETE void */ |
| /* OBSOLETE core_file_command (filename, from_tty) */ |
| /* OBSOLETE char *filename; */ |
| /* OBSOLETE int from_tty; */ |
| /* OBSOLETE { */ |
| /* OBSOLETE int val; */ |
| /* OBSOLETE */ |
| /* OBSOLETE /* Discard all vestiges of any previous core file */ |
| /* OBSOLETE and mark data and stack spaces as empty. *x/ */ |
| /* OBSOLETE */ |
| /* OBSOLETE if (corefile) */ |
| /* OBSOLETE free (corefile); */ |
| /* OBSOLETE corefile = 0; */ |
| /* OBSOLETE */ |
| /* OBSOLETE if (corechan >= 0) */ |
| /* OBSOLETE close (corechan); */ |
| /* OBSOLETE corechan = -1; */ |
| /* OBSOLETE */ |
| /* OBSOLETE data_start = 0; */ |
| /* OBSOLETE data_end = 0; */ |
| /* OBSOLETE stack_start = STACK_END_ADDR; */ |
| /* OBSOLETE stack_end = STACK_END_ADDR; */ |
| /* OBSOLETE */ |
| /* OBSOLETE /* Now, if a new core file was specified, open it and digest it. *x/ */ |
| /* OBSOLETE */ |
| /* OBSOLETE if (filename) */ |
| /* OBSOLETE { */ |
| /* OBSOLETE filename = tilde_expand (filename); */ |
| /* OBSOLETE make_cleanup (free, filename); */ |
| /* OBSOLETE */ |
| /* OBSOLETE if (have_inferior_p ()) */ |
| /* OBSOLETE error ("To look at a core file, you must kill the program with \"kill\"."); */ |
| /* OBSOLETE corechan = open (filename, O_RDONLY, 0); */ |
| /* OBSOLETE if (corechan < 0) */ |
| /* OBSOLETE perror_with_name (filename); */ |
| /* OBSOLETE /* 4.2-style (and perhaps also sysV-style) core dump file. *x/ */ |
| /* OBSOLETE { */ |
| /* OBSOLETE struct user u; */ |
| /* OBSOLETE */ |
| /* OBSOLETE unsigned int reg_offset; */ |
| /* OBSOLETE */ |
| /* OBSOLETE val = myread (corechan, &u, sizeof u); */ |
| /* OBSOLETE if (val < 0) */ |
| /* OBSOLETE perror_with_name ("Not a core file: reading upage"); */ |
| /* OBSOLETE if (val != sizeof u) */ |
| /* OBSOLETE error ("Not a core file: could only read %d bytes", val); */ |
| /* OBSOLETE data_start = exec_data_start; */ |
| /* OBSOLETE */ |
| /* OBSOLETE #if !defined (NBPG) */ |
| /* OBSOLETE #define NBPG NBPP */ |
| /* OBSOLETE #endif */ |
| /* OBSOLETE #if !defined (UPAGES) */ |
| /* OBSOLETE #define UPAGES USIZE */ |
| /* OBSOLETE #endif */ |
| /* OBSOLETE */ |
| /* OBSOLETE data_end = data_start + NBPG * u.u_dsize; */ |
| /* OBSOLETE stack_start = stack_end - NBPG * u.u_ssize; */ |
| /* OBSOLETE data_offset = NBPG * UPAGES + exec_data_start % NBPG /* Not sure about this //jkp *x/; */ |
| /* OBSOLETE stack_offset = NBPG * (UPAGES + u.u_dsize); */ |
| /* OBSOLETE */ |
| /* OBSOLETE /* Some machines put an absolute address in here and some put */ |
| /* OBSOLETE the offset in the upage of the regs. *x/ */ |
| /* OBSOLETE reg_offset = (int) u.u_state; */ |
| /* OBSOLETE if (reg_offset > NBPG * UPAGES) */ |
| /* OBSOLETE reg_offset -= KERNEL_U_ADDR; */ |
| /* OBSOLETE */ |
| /* OBSOLETE memcpy (&core_aouthdr, &u.u_exdata, sizeof (AOUTHDR)); */ |
| /* OBSOLETE printf_unfiltered ("Core file is from \"%s\".\n", u.u_comm); */ |
| /* OBSOLETE */ |
| /* OBSOLETE /* I don't know where to find this info. */ |
| /* OBSOLETE So, for now, mark it as not available. *x/ */ |
| /* OBSOLETE N_SET_MAGIC (core_aouthdr, 0); */ |
| /* OBSOLETE */ |
| /* OBSOLETE /* Read the register values out of the core file and store */ |
| /* OBSOLETE them where `read_register' will find them. *x/ */ |
| /* OBSOLETE */ |
| /* OBSOLETE { */ |
| /* OBSOLETE register int regno; */ |
| /* OBSOLETE */ |
| /* OBSOLETE for (regno = 0; regno < NUM_REGS; regno++) */ |
| /* OBSOLETE { */ |
| /* OBSOLETE char buf[MAX_REGISTER_RAW_SIZE]; */ |
| /* OBSOLETE */ |
| /* OBSOLETE val = lseek (corechan, register_addr (regno, reg_offset), 0); */ |
| /* OBSOLETE if (val < 0 */ |
| /* OBSOLETE || (val = myread (corechan, buf, sizeof buf)) < 0) */ |
| /* OBSOLETE { */ |
| /* OBSOLETE char * buffer = (char *) alloca (strlen (REGISTER_NAME (regno)) */ |
| /* OBSOLETE + 30); */ |
| /* OBSOLETE strcpy (buffer, "Reading register "); */ |
| /* OBSOLETE strcat (buffer, REGISTER_NAME (regno)); */ |
| /* OBSOLETE */ |
| /* OBSOLETE perror_with_name (buffer); */ |
| /* OBSOLETE } */ |
| /* OBSOLETE */ |
| /* OBSOLETE supply_register (regno, buf); */ |
| /* OBSOLETE } */ |
| /* OBSOLETE } */ |
| /* OBSOLETE } */ |
| /* OBSOLETE if (filename[0] == '/') */ |
| /* OBSOLETE corefile = savestring (filename, strlen (filename)); */ |
| /* OBSOLETE else */ |
| /* OBSOLETE { */ |
| /* OBSOLETE corefile = concat (current_directory, "/", filename, NULL); */ |
| /* OBSOLETE } */ |
| /* OBSOLETE */ |
| /* OBSOLETE flush_cached_frames (); */ |
| /* OBSOLETE select_frame (get_current_frame (), 0); */ |
| /* OBSOLETE validate_files (); */ |
| /* OBSOLETE } */ |
| /* OBSOLETE else if (from_tty) */ |
| /* OBSOLETE printf_unfiltered ("No core file now.\n"); */ |
| /* OBSOLETE } */ |