Initial revision

1 files changed, 0 insertions, 558 deletions

diff --git a/gdb/core.c b/gdb/core.c
deleted file mode 100644
index 6472db9d936..00000000000
--- a/gdb/core.c
+++ /dev/null
@@ -1,558 +0,0 @@
-/* Work with core dump and executable files, for GDB.
-   Copyright (C) 1986, 1987, 1989 Free Software Foundation, Inc.
-
-This file is part of GDB.
-
-GDB 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 1, or (at your option)
-any later version.
-
-GDB 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 GDB; see the file COPYING.  If not, write to
-the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
-
-#include <stdio.h>
-#include "defs.h"
-#include "param.h"
-#include "frame.h"  /* required by inferior.h */
-#include "inferior.h"
-
-#ifdef USG
-#include <sys/types.h>
-#include <fcntl.h>
-#endif
-
-#ifdef COFF_ENCAPSULATE
-#include "a.out.encap.h"
-#else
-#include <a.out.h>
-#endif
-#ifndef N_MAGIC
-#ifdef COFF_FORMAT
-#define N_MAGIC(exec) ((exec).magic)
-#else
-#define N_MAGIC(exec) ((exec).a_magic)
-#endif
-#endif
-#include <signal.h>
-#include <sys/param.h>
-#include <sys/dir.h>
-#include <sys/file.h>
-#include <sys/stat.h>
-
-#ifdef UMAX_CORE
-#include <sys/ptrace.h>
-#else
-#include <sys/user.h>
-#endif
-
-#ifndef N_TXTADDR
-#define N_TXTADDR(hdr) 0
-#endif /* no N_TXTADDR */
-
-#ifndef N_DATADDR
-#define N_DATADDR(hdr) hdr.a_text
-#endif /* no N_DATADDR */
-
-#ifndef COFF_FORMAT
-#ifndef AOUTHDR
-#define AOUTHDR		struct exec
-#endif
-#endif
-
-extern char *sys_siglist[];
-
-extern core_file_command (), exec_file_command ();
-
-/* Hook for `exec_file_command' command to call.  */
-
-void (*exec_file_display_hook) ();
-   
-/* File names of core file and executable file.  */
-
-char *corefile;
-char *execfile;
-
-/* Descriptors on which core file and executable file are open.
-   Note that the execchan is closed when an inferior is created
-   and reopened if the inferior dies or is killed.  */
-
-int corechan;
-int execchan;
-
-/* Last modification time of executable file.
-   Also used in source.c to compare against mtime of a source file.  */
-
-int exec_mtime;
-
-/* Virtual addresses of bounds of the two areas of memory in the core file.  */
-
-CORE_ADDR data_start;
-CORE_ADDR data_end;
-CORE_ADDR stack_start;
-CORE_ADDR stack_end;
-
-#if defined (REG_STACK_SEGMENT)
-/* Start and end of the register stack segment.  */
-CORE_ADDR reg_stack_start;
-CORE_ADDR reg_stack_end;
-#endif /* REG_STACK_SEGMENT */
-
-/* Virtual addresses of bounds of two areas of memory in the exec file.
-   Note that the data area in the exec file is used only when there is no core file.  */
-
-CORE_ADDR text_start;
-CORE_ADDR text_end;
-
-CORE_ADDR exec_data_start;
-CORE_ADDR exec_data_end;
-
-/* Offset within executable file of start of text area data.  */
-
-int text_offset;
-
-/* Offset within executable file of start of data area data.  */
-
-int exec_data_offset;
-
-/* Offset within core file of start of data area data.  */
-
-int data_offset;
-
-/* Offset within core file of start of stack area data.  */
-
-int stack_offset;
-  
-#ifdef COFF_FORMAT
-/* various coff data structures */
-
-FILHDR file_hdr;
-SCNHDR text_hdr;
-SCNHDR data_hdr;
-
-#endif /* not COFF_FORMAT */
-
-/* a.out header saved in core file.  */
-  
-AOUTHDR core_aouthdr;
-
-/* a.out header of exec file.  */
-
-AOUTHDR exec_aouthdr;
-
-void validate_files ();
-unsigned int register_addr ();
-
-/* Call this to specify the hook for exec_file_command to call back.
-   This is called from the x-window display code.  */
-
-void
-specify_exec_file_hook (hook)
-     void (*hook) ();
-{
-  exec_file_display_hook = hook;
-}
-
-/* The exec file must be closed before running an inferior.
-   If it is needed again after the inferior dies, it must
-   be reopened.  */
-
-void
-close_exec_file ()
-{
-  if (execchan >= 0)
-    close (execchan);
-  execchan = -1;
-}
-
-void
-reopen_exec_file ()
-{
-  if (execchan < 0 && execfile != 0)
-    {
-      char *filename = concat (execfile, "", "");
-      exec_file_command (filename, 0);
-      free (filename);
-    }
-}
-
-/* If we have both a core file and an exec file,
-   print a warning if they don't go together.
-   This should really check that the core file came
-   from that exec file, but I don't know how to do it.  */
-
-void
-validate_files ()
-{
-  if (execfile != 0 && corefile != 0)
-    {
-      struct stat st_core;
-
-      if (fstat (corechan, &st_core) < 0)
-	/* It might be a good idea to print an error message.
-	   On the other hand, if the user tries to *do* anything with
-	   the core file, (s)he'll find out soon enough.  */
-	return;
-
-      if (N_MAGIC (core_aouthdr) != 0
-	  && bcmp (&core_aouthdr, &exec_aouthdr, sizeof core_aouthdr))
-	printf ("Warning: core file does not match specified executable file.\n");
-      else if (exec_mtime > st_core.st_mtime)
-	printf ("Warning: exec file is newer than core file.\n");
-    }
-}
-
-/* Return the name of the executable file as a string.
-   ERR nonzero means get error if there is none specified;
-   otherwise return 0 in that case.  */
-
-char *
-get_exec_file (err)
-     int err;
-{
-  if (err && execfile == 0)
-    error ("No executable file specified.\n\
-Use the \"exec-file\" and \"symbol-file\" commands.");
-  return execfile;
-}
-
-int
-have_core_file_p ()
-{
-  return corefile != 0;
-}
-
-static void
-files_info ()
-{
-  char *symfile;
-  extern char *get_sym_file ();
-
-  if (execfile)
-    printf ("Executable file \"%s\".\n", execfile);
-  else
-    printf ("No executable file\n");
-  if (corefile == 0)
-    printf ("No core dump file\n");
-  else
-    printf ("Core dump file \"%s\".\n", corefile);
-
-  if (have_inferior_p ())
-    printf ("Using the running image of the program, rather than these files.\n");
-
-  symfile = get_sym_file ();
-  if (symfile != 0)
-    printf ("Symbols from \"%s\".\n", symfile);
-
-#ifdef FILES_INFO_HOOK
-  if (FILES_INFO_HOOK ())
-    return;
-#endif
-
-  if (! have_inferior_p ())
-    {
-      if (execfile)
-	{
-	  printf ("Text segment in executable from 0x%x to 0x%x.\n",
-		  text_start, text_end);
-	  printf ("Data segment in executable from 0x%x to 0x%x.\n",
-		  exec_data_start, exec_data_end);
-	  if (corefile)
-	    printf ("(But since we have a core file, we're using...)\n");
-	}
-      if (corefile)
-	{
-	  printf ("Data segment in core file from 0x%x to 0x%x.\n",
-		  data_start, data_end);
-	  printf ("Stack segment in core file from 0x%x to 0x%x.\n",
-		  stack_start, stack_end);
-	}
-    }
-}
-
-/* Read "memory data" from core file and/or executable file.
-   Returns zero if successful, 1 if xfer_core_file failed, errno value if
-   ptrace failed. */
-
-int
-read_memory (memaddr, myaddr, len)
-     CORE_ADDR memaddr;
-     char *myaddr;
-     int len;
-{
-  if (len == 0)
-    return 0;
-
-  if (have_inferior_p ())
-    {
-      if (remote_debugging)
-	return remote_read_inferior_memory (memaddr, myaddr, len);
-      else
-	return read_inferior_memory (memaddr, myaddr, len);
-    }
-  else
-      return xfer_core_file (memaddr, myaddr, len);
-}
-
-/* Write LEN bytes of data starting at address MYADDR
-   into debugged program memory at address MEMADDR.
-   Returns zero if successful, or an errno value if ptrace failed.  */
-
-int
-write_memory (memaddr, myaddr, len)
-     CORE_ADDR memaddr;
-     char *myaddr;
-     int len;
-{
-  if (have_inferior_p ())
-    {
-      if (remote_debugging)
-	return remote_write_inferior_memory (memaddr, myaddr, len);
-      else
-	return write_inferior_memory (memaddr, myaddr, len);
-    }
-  else
-    error ("Can write memory only when program being debugged is running.");
-}
-
-#ifndef XFER_CORE_FILE
-/* Read from the program's memory (except for inferior processes).
-   This function is misnamed, since it only reads, never writes; and
-   since it will use the core file and/or executable file as necessary.
-
-   It should be extended to write as well as read, FIXME, for patching files.
-
-   Return 0 if address could be read, 1 if not. */
-
-int
-xfer_core_file (memaddr, myaddr, len)
-     CORE_ADDR memaddr;
-     char *myaddr;
-     int len;
-{
-  register int i;
-  register int val;
-  int xferchan;
-  char **xferfile;
-  int fileptr;
-  int returnval = 0;
-
-  while (len > 0)
-    {
-      xferfile = 0;
-      xferchan = 0;
-
-      /* Determine which file the next bunch of addresses reside in,
-	 and where in the file.  Set the file's read/write pointer
-	 to point at the proper place for the desired address
-	 and set xferfile and xferchan for the correct file.
-
-	 If desired address is nonexistent, leave them zero.
-
-	 i is set to the number of bytes that can be handled
-	 along with the next address.
-
-	 We put the most likely tests first for efficiency.  */
-
-      /* Note that if there is no core file
-	 data_start and data_end are equal.  */
-      if (memaddr >= data_start && memaddr < data_end)
-	{
-	  i = min (len, data_end - memaddr);
-	  fileptr = memaddr - data_start + data_offset;
-	  xferfile = &corefile;
-	  xferchan = corechan;
-	}
-      /* Note that if there is no core file
-	 stack_start and stack_end are equal.  */
-      else if (memaddr >= stack_start && memaddr < stack_end)
-	{
-	  i = min (len, stack_end - memaddr);
-	  fileptr = memaddr - stack_start + stack_offset;
-	  xferfile = &corefile;
-	  xferchan = corechan;
-	}
-#ifdef REG_STACK_SEGMENT
-      /* Pyramids have an extra segment in the virtual address space
-         for the (control) stack of register-window frames */
-      else if (memaddr >= reg_stack_start && memaddr < reg_stack_end)
-	{
-	  i = min (len, reg_stack_end - memaddr);
-	  fileptr = memaddr - reg_stack_start + reg_stack_offset;
-	  xferfile = &corefile;
-	  xferchan = corechan;
-	}
-#endif /* REG_STACK_SEGMENT */
-
-      else if (corechan < 0
-	       && memaddr >= exec_data_start && memaddr < exec_data_end)
-	{
-	  i = min (len, exec_data_end - memaddr);
-	  fileptr = memaddr - exec_data_start + exec_data_offset;
-	  xferfile = &execfile;
-	  xferchan = execchan;
-	}
-      else if (memaddr >= text_start && memaddr < text_end)
-	{
-	  i = min (len, text_end - memaddr);
-	  fileptr = memaddr - text_start + text_offset;
-	  xferfile = &execfile;
-	  xferchan = execchan;
-	}
-      else if (memaddr < text_start)
-	{
-	  i = min (len, text_start - memaddr);
-	}
-      else if (memaddr >= text_end
-	       && memaddr < (corechan >= 0? data_start : exec_data_start))
-	{
-	  i = min (len, data_start - memaddr);
-	}
-      else if (corechan >= 0
-	       && memaddr >= data_end && memaddr < stack_start)
-	{
-	  i = min (len, stack_start - memaddr);
-	}
-      else if (corechan < 0 && memaddr >= exec_data_end)
-	{
-	  /* Since there is nothing at higher addresses than data
-	     (without a core file or an inferior, there is no
-	     stack, set i to do the rest of the operation now.  */
-	  i = len;
-	}
-#ifdef REG_STACK_SEGMENT
-      else if (memaddr >= reg_stack_end && reg_stack_end != 0)
-	{
-	  i = min (len, reg_stack_start - memaddr);
-	}
-      else if (memaddr >= stack_end && memaddr < reg_stack_start)
-#else /* no REG_STACK_SEGMENT.  */
-      else if (memaddr >= stack_end && stack_end != 0)
-#endif /* no REG_STACK_SEGMENT.  */
-	{
-	  /* Since there is nothing at higher addresses than
-	     the stack, set i to do the rest of the operation now.  */
-	  i = len;
-	}
-      else
-	{
-	  /* Address did not classify into one of the known ranges.
-	     This shouldn't happen; we catch the endpoints.  */
-	  fatal ("Internal: Bad case logic in xfer_core_file.");
-	}
-
-      /* Now we know which file to use.
-	 Set up its pointer and transfer the data.  */
-      if (xferfile)
-	{
-	  if (*xferfile == 0)
-	    if (xferfile == &execfile)
-	      error ("No program file to examine.");
-	    else
-	      error ("No core dump file or running program to examine.");
-	  val = lseek (xferchan, fileptr, 0);
-	  if (val < 0)
-	    perror_with_name (*xferfile);
-	  val = myread (xferchan, myaddr, i);
-	  if (val < 0)
-	    perror_with_name (*xferfile);
-	}
-      /* If this address is for nonexistent memory,
-	 read zeros if reading, or do nothing if writing.
-	 Actually, we never right.  */
-      else
-	{
-	  bzero (myaddr, i);
-	  returnval = 1;
-	}
-
-      memaddr += i;
-      myaddr += i;
-      len -= i;
-    }
-  return returnval;
-}
-#endif /* XFER_CORE_FILE */
-
-/* My replacement for the read system call.
-   Used like `read' but keeps going if `read' returns too soon.  */
-
-int
-myread (desc, addr, len)
-     int desc;
-     char *addr;
-     int len;
-{
-  register int val;
-  int orglen = len;
-
-  while (len > 0)
-    {
-      val = read (desc, addr, len);
-      if (val < 0)
-	return val;
-      if (val == 0)
-	return orglen - len;
-      len -= val;
-      addr += val;
-    }
-  return orglen;
-}
-
-#ifdef REGISTER_U_ADDR
-
-/* Return the address in the core dump or inferior of register REGNO.
-   BLOCKEND is the address of the end of the user structure.  */
-
-unsigned int
-register_addr (regno, blockend)
-     int regno;
-     int blockend;
-{
-  int addr;
-
-  if (regno < 0 || regno >= NUM_REGS)
-    error ("Invalid register number %d.", regno);
-
-  REGISTER_U_ADDR (addr, blockend, regno);
-
-  return addr;
-}
-
-#endif /* REGISTER_U_ADDR */
-
-void
-_initialize_core()
-{
-  corechan = -1;
-  execchan = -1;
-  corefile = 0;
-  execfile = 0;
-  exec_file_display_hook = 0;
-
-  text_start = 0;
-  text_end = 0;
-  data_start = 0;
-  data_end = 0;
-  exec_data_start = 0;
-  exec_data_end = 0;
-  stack_start = STACK_END_ADDR;
-  stack_end = STACK_END_ADDR;
-
-  add_com ("core-file", class_files, core_file_command,
-	   "Use FILE as core dump for examining memory and registers.\n\
-No arg means have no core file.");
-  add_com ("exec-file", class_files, exec_file_command,
-	   "Use FILE as program for getting contents of pure memory.\n\
-If FILE cannot be found as specified, your execution directory path\n\
-is searched for a command of that name.\n\
-No arg means have no executable file.");
-  add_info ("files", files_info, "Names of files being debugged.");
-}
-