import gdb-1999-06-28 snapshot

This commit is contained in:
Jason Molenda
1999-06-28 16:06:02 +00:00
parent 303f629d61
commit 085dd6e638
146 changed files with 8298 additions and 4750 deletions

View File

@ -1,163 +1,163 @@
/* Low level interface to ptrace, for GDB when running under m68k SVR2 Unix
on Altos 3068. Report bugs to Jyrki Kuoppala <jkp@cs.hut.fi>
Copyright (C) 1989, 1991 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#include "defs.h"
#include "frame.h"
#include "inferior.h"
#ifdef USG
#include <sys/types.h>
#endif
#include <sys/param.h>
#include <sys/dir.h>
#include <signal.h>
#include <sys/ioctl.h>
#include <fcntl.h>
#ifdef USG
#include <sys/page.h>
#ifdef ALTOS
#include <sys/net.h>
#include <errno.h>
#endif
#endif
#include "gdbcore.h"
#include <sys/user.h> /* After a.out.h */
#include <sys/file.h>
#include "gdb_stat.h"
/* Work with core dump and executable files, for GDB.
This code would be in corefile.c if it weren't machine-dependent. */
void
core_file_command (filename, from_tty)
char *filename;
int from_tty;
{
int val;
/* Discard all vestiges of any previous core file
and mark data and stack spaces as empty. */
if (corefile)
free (corefile);
corefile = 0;
if (corechan >= 0)
close (corechan);
corechan = -1;
data_start = 0;
data_end = 0;
stack_start = STACK_END_ADDR;
stack_end = STACK_END_ADDR;
/* Now, if a new core file was specified, open it and digest it. */
if (filename)
{
filename = tilde_expand (filename);
make_cleanup (free, filename);
if (have_inferior_p ())
error ("To look at a core file, you must kill the program with \"kill\".");
corechan = open (filename, O_RDONLY, 0);
if (corechan < 0)
perror_with_name (filename);
/* 4.2-style (and perhaps also sysV-style) core dump file. */
{
struct user u;
unsigned int reg_offset;
val = myread (corechan, &u, sizeof u);
if (val < 0)
perror_with_name ("Not a core file: reading upage");
if (val != sizeof u)
error ("Not a core file: could only read %d bytes", val);
data_start = exec_data_start;
#if !defined (NBPG)
#define NBPG NBPP
#endif
#if !defined (UPAGES)
#define UPAGES USIZE
#endif
data_end = data_start + NBPG * u.u_dsize;
stack_start = stack_end - NBPG * u.u_ssize;
data_offset = NBPG * UPAGES + exec_data_start % NBPG /* Not sure about this //jkp */;
stack_offset = NBPG * (UPAGES + u.u_dsize);
/* Some machines put an absolute address in here and some put
the offset in the upage of the regs. */
reg_offset = (int) u.u_state;
if (reg_offset > NBPG * UPAGES)
reg_offset -= KERNEL_U_ADDR;
memcpy (&core_aouthdr, &u.u_exdata, sizeof (AOUTHDR));
printf_unfiltered ("Core file is from \"%s\".\n", u.u_comm);
/* I don't know where to find this info.
So, for now, mark it as not available. */
N_SET_MAGIC (core_aouthdr, 0);
/* Read the register values out of the core file and store
them where `read_register' will find them. */
{
register int regno;
for (regno = 0; regno < NUM_REGS; regno++)
{
char buf[MAX_REGISTER_RAW_SIZE];
val = lseek (corechan, register_addr (regno, reg_offset), 0);
if (val < 0
|| (val = myread (corechan, buf, sizeof buf)) < 0)
{
char * buffer = (char *) alloca (strlen (REGISTER_NAME (regno))
+ 30);
strcpy (buffer, "Reading register ");
strcat (buffer, REGISTER_NAME (regno));
perror_with_name (buffer);
}
supply_register (regno, buf);
}
}
}
if (filename[0] == '/')
corefile = savestring (filename, strlen (filename));
else
{
corefile = concat (current_directory, "/", filename, NULL);
}
flush_cached_frames ();
select_frame (get_current_frame (), 0);
validate_files ();
}
else if (from_tty)
printf_unfiltered ("No core file now.\n");
}
/* 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 } */