131 lines
5.4 KiB
C
131 lines
5.4 KiB
C
/* OBSOLETE /* Low level interface to ptrace, for GDB when running under Unix. */
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/* OBSOLETE Copyright (C) 1986, 1987, 1989, 1991 Free Software Foundation, Inc. */
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/* OBSOLETE */
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/* OBSOLETE This file is part of GDB. */
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/* OBSOLETE */
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/* OBSOLETE This program is free software; you can redistribute it and/or modify */
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/* OBSOLETE it under the terms of the GNU General Public License as published by */
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/* OBSOLETE the Free Software Foundation; either version 2 of the License, or */
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/* OBSOLETE (at your option) any later version. */
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/* OBSOLETE */
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/* OBSOLETE This program is distributed in the hope that it will be useful, */
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/* OBSOLETE but WITHOUT ANY WARRANTY; without even the implied warranty of */
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/* OBSOLETE MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the */
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/* OBSOLETE GNU General Public License for more details. */
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/* OBSOLETE */
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/* OBSOLETE You should have received a copy of the GNU General Public License */
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/* OBSOLETE along with this program; if not, write to the Free Software */
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/* OBSOLETE Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *x/ */
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/* OBSOLETE */
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/* OBSOLETE #include "defs.h" */
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/* OBSOLETE #include "frame.h" */
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/* OBSOLETE #include "inferior.h" */
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/* OBSOLETE */
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/* OBSOLETE #include <sys/param.h> */
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/* OBSOLETE #include <sys/dir.h> */
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/* OBSOLETE #include <signal.h> */
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/* OBSOLETE #include <sys/user.h> */
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/* OBSOLETE #include <sys/ioctl.h> */
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/* OBSOLETE #include <fcntl.h> */
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/* OBSOLETE */
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/* OBSOLETE #include "gdbcore.h" */
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/* OBSOLETE */
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/* OBSOLETE #include <sys/file.h> */
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/* OBSOLETE #include "gdb_stat.h" */
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/* OBSOLETE */
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/* OBSOLETE */
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/* OBSOLETE /* Work with core dump and executable files, for GDB. */
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/* OBSOLETE This code would be in corefile.c if it weren't machine-dependent. *x/ */
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/* OBSOLETE */
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/* OBSOLETE void */
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/* OBSOLETE core_file_command (filename, from_tty) */
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/* OBSOLETE char *filename; */
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/* OBSOLETE int from_tty; */
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/* OBSOLETE { */
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/* OBSOLETE int val; */
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/* OBSOLETE extern char registers[]; */
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/* OBSOLETE */
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/* OBSOLETE /* Discard all vestiges of any previous core file */
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/* OBSOLETE and mark data and stack spaces as empty. *x/ */
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/* OBSOLETE */
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/* OBSOLETE if (corefile) */
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/* OBSOLETE free (corefile); */
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/* OBSOLETE corefile = 0; */
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/* OBSOLETE */
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/* OBSOLETE if (corechan >= 0) */
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/* OBSOLETE close (corechan); */
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/* OBSOLETE corechan = -1; */
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/* OBSOLETE */
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/* OBSOLETE data_start = 0; */
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/* OBSOLETE data_end = 0; */
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/* OBSOLETE stack_start = STACK_END_ADDR; */
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/* OBSOLETE stack_end = STACK_END_ADDR; */
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/* OBSOLETE */
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/* OBSOLETE /* Now, if a new core file was specified, open it and digest it. *x/ */
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/* OBSOLETE */
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/* OBSOLETE if (filename) */
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/* OBSOLETE { */
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/* OBSOLETE filename = tilde_expand (filename); */
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/* OBSOLETE make_cleanup (free, filename); */
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/* OBSOLETE */
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/* OBSOLETE if (have_inferior_p ()) */
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/* OBSOLETE error ("To look at a core file, you must kill the program with \"kill\"."); */
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/* OBSOLETE corechan = open (filename, O_RDONLY, 0); */
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/* OBSOLETE if (corechan < 0) */
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/* OBSOLETE perror_with_name (filename); */
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/* OBSOLETE /* 4.2-style (and perhaps also sysV-style) core dump file. *x/ */
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/* OBSOLETE { */
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/* OBSOLETE struct user u; */
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/* OBSOLETE int reg_offset; */
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/* OBSOLETE */
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/* OBSOLETE val = myread (corechan, &u, sizeof u); */
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/* OBSOLETE if (val < 0) */
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/* OBSOLETE perror_with_name (filename); */
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/* OBSOLETE data_start = exec_data_start; */
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/* OBSOLETE */
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/* OBSOLETE data_end = data_start + NBPG * u.u_dsize; */
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/* OBSOLETE stack_start = stack_end - NBPG * u.u_ssize; */
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/* OBSOLETE data_offset = NBPG * UPAGES; */
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/* OBSOLETE stack_offset = NBPG * (UPAGES + u.u_dsize); */
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/* OBSOLETE reg_offset = (int) u.u_ar0 - KERNEL_U_ADDR; */
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/* OBSOLETE */
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/* OBSOLETE /* I don't know where to find this info. */
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/* OBSOLETE So, for now, mark it as not available. *x/ */
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/* OBSOLETE core_aouthdr.a_magic = 0; */
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/* OBSOLETE */
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/* OBSOLETE /* Read the register values out of the core file and store */
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/* OBSOLETE them where `read_register' will find them. *x/ */
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/* OBSOLETE */
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/* OBSOLETE { */
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/* OBSOLETE register int regno; */
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/* OBSOLETE */
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/* OBSOLETE for (regno = 0; regno < NUM_REGS; regno++) */
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/* OBSOLETE { */
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/* OBSOLETE char buf[MAX_REGISTER_RAW_SIZE]; */
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/* OBSOLETE */
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/* OBSOLETE val = lseek (corechan, register_addr (regno, reg_offset), 0); */
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/* OBSOLETE if (val < 0) */
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/* OBSOLETE perror_with_name (filename); */
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/* OBSOLETE */
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/* OBSOLETE val = myread (corechan, buf, sizeof buf); */
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/* OBSOLETE if (val < 0) */
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/* OBSOLETE perror_with_name (filename); */
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/* OBSOLETE supply_register (regno, buf); */
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/* OBSOLETE } */
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/* OBSOLETE } */
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/* OBSOLETE } */
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/* OBSOLETE if (filename[0] == '/') */
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/* OBSOLETE corefile = savestring (filename, strlen (filename)); */
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/* OBSOLETE else */
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/* OBSOLETE { */
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/* OBSOLETE corefile = concat (current_directory, "/", filename, NULL); */
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/* OBSOLETE } */
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/* OBSOLETE */
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/* OBSOLETE flush_cached_frames (); */
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/* OBSOLETE select_frame (get_current_frame (), 0); */
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/* OBSOLETE validate_files (); */
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/* OBSOLETE } */
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/* OBSOLETE else if (from_tty) */
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/* OBSOLETE printf ("No core file now.\n"); */
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/* OBSOLETE } */
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