/* vms-misc.c -- Miscellaneous functions for VAX (openVMS/VAX) and
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/* vms-misc.c -- Miscellaneous functions for VAX (openVMS/VAX) and
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EVAX (openVMS/Alpha) files.
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EVAX (openVMS/Alpha) files.
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Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
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Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
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2007, 2008 Free Software Foundation, Inc.
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2007, 2008 Free Software Foundation, Inc.
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Written by Klaus K"ampf (kkaempf@rmi.de)
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Written by Klaus K"ampf (kkaempf@rmi.de)
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This program is free software; you can redistribute it and/or modify
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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MA 02110-1301, USA. */
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MA 02110-1301, USA. */
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#if __STDC__
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#if __STDC__
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#include <stdarg.h>
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#include <stdarg.h>
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#endif
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#endif
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#include "sysdep.h"
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#include "sysdep.h"
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#include "bfd.h"
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#include "bfd.h"
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#include "bfdlink.h"
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#include "bfdlink.h"
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#include "libbfd.h"
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#include "libbfd.h"
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#include "vms.h"
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#include "vms.h"
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#if VMS_DEBUG
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#if VMS_DEBUG
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/* Debug functions. */
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/* Debug functions. */
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|
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/* Debug function for all vms extensions
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/* Debug function for all vms extensions
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evaluates environment variable VMS_DEBUG for a
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evaluates environment variable VMS_DEBUG for a
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numerical value on the first call
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numerical value on the first call
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all error levels below this value are printed
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all error levels below this value are printed
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levels:
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levels:
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1 toplevel bfd calls (functions from the bfd vector)
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1 toplevel bfd calls (functions from the bfd vector)
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2 functions called by bfd calls
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2 functions called by bfd calls
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...
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...
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9 almost everything
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9 almost everything
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|
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level is also indentation level. Indentation is performed
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level is also indentation level. Indentation is performed
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if level > 0. */
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if level > 0. */
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void
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void
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_bfd_vms_debug (int level, char *format, ...)
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_bfd_vms_debug (int level, char *format, ...)
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{
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{
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static int min_level = -1;
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static int min_level = -1;
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static FILE *output = NULL;
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static FILE *output = NULL;
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char *eptr;
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char *eptr;
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va_list args;
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va_list args;
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int abslvl = (level > 0) ? level : - level;
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int abslvl = (level > 0) ? level : - level;
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if (min_level == -1)
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if (min_level == -1)
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{
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{
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if ((eptr = getenv ("VMS_DEBUG")) != NULL)
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if ((eptr = getenv ("VMS_DEBUG")) != NULL)
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{
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{
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min_level = atoi (eptr);
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min_level = atoi (eptr);
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output = stderr;
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output = stderr;
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}
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}
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else
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else
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min_level = 0;
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min_level = 0;
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}
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}
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if (output == NULL)
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if (output == NULL)
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return;
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return;
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if (abslvl > min_level)
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if (abslvl > min_level)
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return;
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return;
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while (--level>0)
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while (--level>0)
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fprintf (output, " ");
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fprintf (output, " ");
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va_start (args, format);
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va_start (args, format);
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vfprintf (output, format, args);
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vfprintf (output, format, args);
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fflush (output);
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fflush (output);
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va_end (args);
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va_end (args);
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}
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}
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/* A debug function
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/* A debug function
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hex dump 'size' bytes starting at 'ptr'. */
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hex dump 'size' bytes starting at 'ptr'. */
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void
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void
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_bfd_hexdump (int level,
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_bfd_hexdump (int level,
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unsigned char *ptr,
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unsigned char *ptr,
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int size,
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int size,
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int offset)
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int offset)
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{
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{
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unsigned char *lptr = ptr;
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unsigned char *lptr = ptr;
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int count = 0;
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int count = 0;
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long start = offset;
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long start = offset;
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while (size-- > 0)
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while (size-- > 0)
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{
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{
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if ((count%16) == 0)
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if ((count%16) == 0)
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vms_debug (level, "%08lx:", start);
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vms_debug (level, "%08lx:", start);
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vms_debug (-level, " %02x", *ptr++);
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vms_debug (-level, " %02x", *ptr++);
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count++;
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count++;
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start++;
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start++;
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if (size == 0)
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if (size == 0)
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{
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{
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while ((count%16) != 0)
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while ((count%16) != 0)
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{
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{
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vms_debug (-level, " ");
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vms_debug (-level, " ");
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count++;
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count++;
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}
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}
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}
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}
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if ((count%16) == 0)
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if ((count%16) == 0)
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{
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{
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vms_debug (-level, " ");
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vms_debug (-level, " ");
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while (lptr < ptr)
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while (lptr < ptr)
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{
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{
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vms_debug (-level, "%c", (*lptr < 32)?'.':*lptr);
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vms_debug (-level, "%c", (*lptr < 32)?'.':*lptr);
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lptr++;
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lptr++;
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}
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}
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vms_debug (-level, "\n");
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vms_debug (-level, "\n");
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}
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}
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}
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}
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if ((count%16) != 0)
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if ((count%16) != 0)
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vms_debug (-level, "\n");
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vms_debug (-level, "\n");
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}
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}
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#endif
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#endif
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/* Hash functions
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/* Hash functions
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These are needed when reading an object file. */
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These are needed when reading an object file. */
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/* Allocate new vms_hash_entry
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/* Allocate new vms_hash_entry
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keep the symbol name and a pointer to the bfd symbol in the table. */
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keep the symbol name and a pointer to the bfd symbol in the table. */
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struct bfd_hash_entry *
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struct bfd_hash_entry *
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_bfd_vms_hash_newfunc (struct bfd_hash_entry *entry,
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_bfd_vms_hash_newfunc (struct bfd_hash_entry *entry,
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struct bfd_hash_table *table,
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struct bfd_hash_table *table,
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const char *string)
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const char *string)
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{
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{
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vms_symbol_entry *ret;
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vms_symbol_entry *ret;
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#if VMS_DEBUG
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#if VMS_DEBUG
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vms_debug (5, "_bfd_vms_hash_newfunc (%p, %p, %s)\n", entry, table, string);
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vms_debug (5, "_bfd_vms_hash_newfunc (%p, %p, %s)\n", entry, table, string);
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#endif
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#endif
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if (entry == NULL)
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if (entry == NULL)
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{
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{
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ret = (vms_symbol_entry *)
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ret = (vms_symbol_entry *)
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bfd_hash_allocate (table, sizeof (vms_symbol_entry));
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bfd_hash_allocate (table, sizeof (vms_symbol_entry));
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if (ret == NULL)
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if (ret == NULL)
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{
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{
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bfd_set_error (bfd_error_no_memory);
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bfd_set_error (bfd_error_no_memory);
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return NULL;
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return NULL;
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}
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}
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entry = (struct bfd_hash_entry *) ret;
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entry = (struct bfd_hash_entry *) ret;
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}
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}
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/* Call the allocation method of the base class. */
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/* Call the allocation method of the base class. */
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ret = (vms_symbol_entry *) bfd_hash_newfunc (entry, table, string);
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ret = (vms_symbol_entry *) bfd_hash_newfunc (entry, table, string);
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#if VMS_DEBUG
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#if VMS_DEBUG
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vms_debug (6, "_bfd_vms_hash_newfunc ret %p\n", ret);
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vms_debug (6, "_bfd_vms_hash_newfunc ret %p\n", ret);
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#endif
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#endif
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ret->symbol = NULL;
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ret->symbol = NULL;
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return (struct bfd_hash_entry *)ret;
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return (struct bfd_hash_entry *)ret;
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}
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}
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/* Object file input functions. */
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/* Object file input functions. */
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/* Return type and length from record header (buf) on Alpha. */
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/* Return type and length from record header (buf) on Alpha. */
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void
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void
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_bfd_vms_get_header_values (bfd * abfd ATTRIBUTE_UNUSED,
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_bfd_vms_get_header_values (bfd * abfd ATTRIBUTE_UNUSED,
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unsigned char *buf,
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unsigned char *buf,
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int *type,
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int *type,
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int *length)
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int *length)
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{
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{
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if (type != 0)
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if (type != 0)
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*type = bfd_getl16 (buf);
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*type = bfd_getl16 (buf);
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buf += 2;
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buf += 2;
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if (length != 0)
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if (length != 0)
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*length = bfd_getl16 (buf);
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*length = bfd_getl16 (buf);
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#if VMS_DEBUG
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#if VMS_DEBUG
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vms_debug (10, "_bfd_vms_get_header_values type %x, length %x\n", (type?*type:0), (length?*length:0));
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vms_debug (10, "_bfd_vms_get_header_values type %x, length %x\n", (type?*type:0), (length?*length:0));
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#endif
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#endif
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}
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}
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/* Get next record from object file to vms_buf.
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/* Get next record from object file to vms_buf.
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Set PRIV(buf_size) and return it
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Set PRIV(buf_size) and return it
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This is a little tricky since it should be portable.
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This is a little tricky since it should be portable.
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The openVMS object file has 'variable length' which means that
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The openVMS object file has 'variable length' which means that
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read() returns data in chunks of (hopefully) correct and expected
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read() returns data in chunks of (hopefully) correct and expected
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size. The linker (and other tools on vms) depend on that. Unix doesn't
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size. The linker (and other tools on vms) depend on that. Unix doesn't
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know about 'formatted' files, so reading and writing such an object
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know about 'formatted' files, so reading and writing such an object
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file in a unix environment is not trivial.
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file in a unix environment is not trivial.
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With the tool 'file' (available on all vms ftp sites), one
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With the tool 'file' (available on all vms ftp sites), one
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can view and change the attributes of a file. Changing from
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can view and change the attributes of a file. Changing from
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'variable length' to 'fixed length, 512 bytes' reveals the
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'variable length' to 'fixed length, 512 bytes' reveals the
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record length at the first 2 bytes of every record. The same
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record length at the first 2 bytes of every record. The same
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happens during the transfer of object files from vms to unix,
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happens during the transfer of object files from vms to unix,
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at least with ucx, dec's implementation of tcp/ip.
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at least with ucx, dec's implementation of tcp/ip.
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The vms format repeats the length at bytes 2 & 3 of every record.
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The vms format repeats the length at bytes 2 & 3 of every record.
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On the first call (file_format == FF_UNKNOWN) we check if
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On the first call (file_format == FF_UNKNOWN) we check if
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the first and the third byte pair (!) of the record match.
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the first and the third byte pair (!) of the record match.
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If they do it's an object file in an unix environment or with
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If they do it's an object file in an unix environment or with
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wrong attributes (FF_FOREIGN), else we should be in a vms
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wrong attributes (FF_FOREIGN), else we should be in a vms
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environment where read() returns the record size (FF_NATIVE).
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environment where read() returns the record size (FF_NATIVE).
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Reading is always done in 2 steps.
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Reading is always done in 2 steps.
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First just the record header is read and the length extracted
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First just the record header is read and the length extracted
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by get_header_values,
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by get_header_values,
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then the read buffer is adjusted and the remaining bytes are
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then the read buffer is adjusted and the remaining bytes are
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read in.
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read in.
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All file i/o is always done on even file positions. */
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All file i/o is always done on even file positions. */
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int
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int
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_bfd_vms_get_record (bfd * abfd)
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_bfd_vms_get_record (bfd * abfd)
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{
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{
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int test_len, test_start, remaining;
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int test_len, test_start, remaining;
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unsigned char *vms_buf;
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unsigned char *vms_buf;
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#if VMS_DEBUG
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#if VMS_DEBUG
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vms_debug (8, "_bfd_vms_get_record\n");
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vms_debug (8, "_bfd_vms_get_record\n");
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#endif
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#endif
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/* Minimum is 6 bytes on Alpha
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/* Minimum is 6 bytes on Alpha
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(2 bytes length, 2 bytes record id, 2 bytes length repeated)
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(2 bytes length, 2 bytes record id, 2 bytes length repeated)
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|
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On the VAX there's no length information in the record
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On the VAX there's no length information in the record
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so start with OBJ_S_C_MAXRECSIZ. */
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so start with OBJ_S_C_MAXRECSIZ. */
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|
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if (PRIV (buf_size) == 0)
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if (PRIV (buf_size) == 0)
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{
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{
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bfd_size_type amt;
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bfd_size_type amt;
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|
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if (PRIV (is_vax))
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if (PRIV (is_vax))
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{
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{
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amt = OBJ_S_C_MAXRECSIZ;
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amt = OBJ_S_C_MAXRECSIZ;
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PRIV (file_format) = FF_VAX;
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PRIV (file_format) = FF_VAX;
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}
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}
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else
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else
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amt = 6;
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amt = 6;
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PRIV (vms_buf) = bfd_malloc (amt);
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PRIV (vms_buf) = bfd_malloc (amt);
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PRIV (buf_size) = amt;
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PRIV (buf_size) = amt;
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}
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}
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|
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vms_buf = PRIV (vms_buf);
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vms_buf = PRIV (vms_buf);
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|
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if (vms_buf == 0)
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if (vms_buf == 0)
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return -1;
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return -1;
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|
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switch (PRIV (file_format))
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switch (PRIV (file_format))
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{
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{
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case FF_UNKNOWN:
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case FF_UNKNOWN:
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case FF_FOREIGN:
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case FF_FOREIGN:
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test_len = 6; /* Probe 6 bytes. */
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test_len = 6; /* Probe 6 bytes. */
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test_start = 2; /* Where the record starts. */
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test_start = 2; /* Where the record starts. */
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break;
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break;
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|
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case FF_NATIVE:
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case FF_NATIVE:
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test_len = 4;
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test_len = 4;
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test_start = 0;
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test_start = 0;
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break;
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break;
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|
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default:
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default:
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case FF_VAX:
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case FF_VAX:
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test_len = 0;
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test_len = 0;
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test_start = 0;
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test_start = 0;
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break;
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break;
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}
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}
|
|
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/* Skip odd alignment byte. */
|
/* Skip odd alignment byte. */
|
|
|
if (bfd_tell (abfd) & 1)
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if (bfd_tell (abfd) & 1)
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{
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{
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if (bfd_bread (PRIV (vms_buf), (bfd_size_type) 1, abfd) != 1)
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if (bfd_bread (PRIV (vms_buf), (bfd_size_type) 1, abfd) != 1)
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{
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{
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bfd_set_error (bfd_error_file_truncated);
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bfd_set_error (bfd_error_file_truncated);
|
return 0;
|
return 0;
|
}
|
}
|
}
|
}
|
|
|
/* Read the record header on Alpha. */
|
/* Read the record header on Alpha. */
|
if ((test_len != 0)
|
if ((test_len != 0)
|
&& (bfd_bread (PRIV (vms_buf), (bfd_size_type) test_len, abfd)
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&& (bfd_bread (PRIV (vms_buf), (bfd_size_type) test_len, abfd)
|
!= (bfd_size_type) test_len))
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!= (bfd_size_type) test_len))
|
{
|
{
|
bfd_set_error (bfd_error_file_truncated);
|
bfd_set_error (bfd_error_file_truncated);
|
return 0;
|
return 0;
|
}
|
}
|
|
|
/* Check file format on first call. */
|
/* Check file format on first call. */
|
if (PRIV (file_format) == FF_UNKNOWN)
|
if (PRIV (file_format) == FF_UNKNOWN)
|
{ /* Record length repeats ? */
|
{ /* Record length repeats ? */
|
if (vms_buf[0] == vms_buf[4]
|
if (vms_buf[0] == vms_buf[4]
|
&& vms_buf[1] == vms_buf[5])
|
&& vms_buf[1] == vms_buf[5])
|
{
|
{
|
PRIV (file_format) = FF_FOREIGN; /* Y: foreign environment. */
|
PRIV (file_format) = FF_FOREIGN; /* Y: foreign environment. */
|
test_start = 2;
|
test_start = 2;
|
}
|
}
|
else
|
else
|
{
|
{
|
PRIV (file_format) = FF_NATIVE; /* N: native environment. */
|
PRIV (file_format) = FF_NATIVE; /* N: native environment. */
|
test_start = 0;
|
test_start = 0;
|
}
|
}
|
}
|
}
|
|
|
if (PRIV (is_vax))
|
if (PRIV (is_vax))
|
{
|
{
|
PRIV (rec_length) = bfd_bread (vms_buf, (bfd_size_type) PRIV (buf_size),
|
PRIV (rec_length) = bfd_bread (vms_buf, (bfd_size_type) PRIV (buf_size),
|
abfd);
|
abfd);
|
if (PRIV (rec_length) <= 0)
|
if (PRIV (rec_length) <= 0)
|
{
|
{
|
bfd_set_error (bfd_error_file_truncated);
|
bfd_set_error (bfd_error_file_truncated);
|
return 0;
|
return 0;
|
}
|
}
|
PRIV (vms_rec) = vms_buf;
|
PRIV (vms_rec) = vms_buf;
|
}
|
}
|
else
|
else
|
{
|
{
|
/* Alpha. */
|
/* Alpha. */
|
/* Extract vms record length. */
|
/* Extract vms record length. */
|
|
|
_bfd_vms_get_header_values (abfd, vms_buf + test_start, NULL,
|
_bfd_vms_get_header_values (abfd, vms_buf + test_start, NULL,
|
& PRIV (rec_length));
|
& PRIV (rec_length));
|
|
|
if (PRIV (rec_length) <= 0)
|
if (PRIV (rec_length) <= 0)
|
{
|
{
|
bfd_set_error (bfd_error_file_truncated);
|
bfd_set_error (bfd_error_file_truncated);
|
return 0;
|
return 0;
|
}
|
}
|
|
|
/* That's what the linker manual says. */
|
/* That's what the linker manual says. */
|
|
|
if (PRIV (rec_length) > EOBJ_S_C_MAXRECSIZ)
|
if (PRIV (rec_length) > EOBJ_S_C_MAXRECSIZ)
|
{
|
{
|
bfd_set_error (bfd_error_file_truncated);
|
bfd_set_error (bfd_error_file_truncated);
|
return 0;
|
return 0;
|
}
|
}
|
|
|
/* Adjust the buffer. */
|
/* Adjust the buffer. */
|
|
|
if (PRIV (rec_length) > PRIV (buf_size))
|
if (PRIV (rec_length) > PRIV (buf_size))
|
{
|
{
|
PRIV (vms_buf) = bfd_realloc_or_free (vms_buf,
|
PRIV (vms_buf) = bfd_realloc_or_free (vms_buf,
|
(bfd_size_type) PRIV (rec_length));
|
(bfd_size_type) PRIV (rec_length));
|
vms_buf = PRIV (vms_buf);
|
vms_buf = PRIV (vms_buf);
|
if (vms_buf == 0)
|
if (vms_buf == 0)
|
return -1;
|
return -1;
|
PRIV (buf_size) = PRIV (rec_length);
|
PRIV (buf_size) = PRIV (rec_length);
|
}
|
}
|
|
|
/* Read the remaining record. */
|
/* Read the remaining record. */
|
remaining = PRIV (rec_length) - test_len + test_start;
|
remaining = PRIV (rec_length) - test_len + test_start;
|
|
|
#if VMS_DEBUG
|
#if VMS_DEBUG
|
vms_debug (10, "bfd_bread remaining %d\n", remaining);
|
vms_debug (10, "bfd_bread remaining %d\n", remaining);
|
#endif
|
#endif
|
if (bfd_bread (vms_buf + test_len, (bfd_size_type) remaining, abfd) !=
|
if (bfd_bread (vms_buf + test_len, (bfd_size_type) remaining, abfd) !=
|
(bfd_size_type) remaining)
|
(bfd_size_type) remaining)
|
{
|
{
|
bfd_set_error (bfd_error_file_truncated);
|
bfd_set_error (bfd_error_file_truncated);
|
return 0;
|
return 0;
|
}
|
}
|
PRIV (vms_rec) = vms_buf + test_start;
|
PRIV (vms_rec) = vms_buf + test_start;
|
}
|
}
|
|
|
#if VMS_DEBUG
|
#if VMS_DEBUG
|
vms_debug (11, "bfd_bread rec_length %d\n", PRIV (rec_length));
|
vms_debug (11, "bfd_bread rec_length %d\n", PRIV (rec_length));
|
#endif
|
#endif
|
|
|
return PRIV (rec_length);
|
return PRIV (rec_length);
|
}
|
}
|
|
|
/* Get next vms record from file
|
/* Get next vms record from file
|
update vms_rec and rec_length to new (remaining) values. */
|
update vms_rec and rec_length to new (remaining) values. */
|
|
|
int
|
int
|
_bfd_vms_next_record (bfd * abfd)
|
_bfd_vms_next_record (bfd * abfd)
|
{
|
{
|
#if VMS_DEBUG
|
#if VMS_DEBUG
|
vms_debug (8, "_bfd_vms_next_record (len %d, size %d)\n",
|
vms_debug (8, "_bfd_vms_next_record (len %d, size %d)\n",
|
PRIV (rec_length), PRIV (rec_size));
|
PRIV (rec_length), PRIV (rec_size));
|
#endif
|
#endif
|
|
|
if (PRIV (rec_length) > 0)
|
if (PRIV (rec_length) > 0)
|
PRIV (vms_rec) += PRIV (rec_size);
|
PRIV (vms_rec) += PRIV (rec_size);
|
else
|
else
|
{
|
{
|
if (_bfd_vms_get_record (abfd) <= 0)
|
if (_bfd_vms_get_record (abfd) <= 0)
|
return -1;
|
return -1;
|
}
|
}
|
|
|
if (!PRIV (vms_rec) || !PRIV (vms_buf)
|
if (!PRIV (vms_rec) || !PRIV (vms_buf)
|
|| PRIV (vms_rec) >= (PRIV (vms_buf) + PRIV (buf_size)))
|
|| PRIV (vms_rec) >= (PRIV (vms_buf) + PRIV (buf_size)))
|
return -1;
|
return -1;
|
|
|
if (PRIV (is_vax))
|
if (PRIV (is_vax))
|
{
|
{
|
PRIV (rec_type) = *(PRIV (vms_rec));
|
PRIV (rec_type) = *(PRIV (vms_rec));
|
PRIV (rec_size) = PRIV (rec_length);
|
PRIV (rec_size) = PRIV (rec_length);
|
}
|
}
|
else
|
else
|
_bfd_vms_get_header_values (abfd, PRIV (vms_rec), &PRIV (rec_type),
|
_bfd_vms_get_header_values (abfd, PRIV (vms_rec), &PRIV (rec_type),
|
&PRIV (rec_size));
|
&PRIV (rec_size));
|
|
|
PRIV (rec_length) -= PRIV (rec_size);
|
PRIV (rec_length) -= PRIV (rec_size);
|
|
|
#if VMS_DEBUG
|
#if VMS_DEBUG
|
vms_debug (8, "_bfd_vms_next_record: rec %p, size %d, length %d, type %d\n",
|
vms_debug (8, "_bfd_vms_next_record: rec %p, size %d, length %d, type %d\n",
|
PRIV (vms_rec), PRIV (rec_size), PRIV (rec_length),
|
PRIV (vms_rec), PRIV (rec_size), PRIV (rec_length),
|
PRIV (rec_type));
|
PRIV (rec_type));
|
#endif
|
#endif
|
|
|
return PRIV (rec_type);
|
return PRIV (rec_type);
|
}
|
}
|
|
|
/* Copy sized string (string with fixed length) to new allocated area
|
/* Copy sized string (string with fixed length) to new allocated area
|
size is string length (size of record) */
|
size is string length (size of record) */
|
|
|
char *
|
char *
|
_bfd_vms_save_sized_string (unsigned char *str, int size)
|
_bfd_vms_save_sized_string (unsigned char *str, int size)
|
{
|
{
|
char *newstr = bfd_malloc ((bfd_size_type) size + 1);
|
char *newstr = bfd_malloc ((bfd_size_type) size + 1);
|
|
|
if (newstr == NULL)
|
if (newstr == NULL)
|
return NULL;
|
return NULL;
|
strncpy (newstr, (char *) str, (size_t) size);
|
strncpy (newstr, (char *) str, (size_t) size);
|
newstr[size] = 0;
|
newstr[size] = 0;
|
|
|
return newstr;
|
return newstr;
|
}
|
}
|
|
|
/* Copy counted string (string with length at first byte) to new allocated area
|
/* Copy counted string (string with length at first byte) to new allocated area
|
ptr points to length byte on entry */
|
ptr points to length byte on entry */
|
|
|
char *
|
char *
|
_bfd_vms_save_counted_string (unsigned char *ptr)
|
_bfd_vms_save_counted_string (unsigned char *ptr)
|
{
|
{
|
int len = *ptr++;
|
int len = *ptr++;
|
|
|
return _bfd_vms_save_sized_string (ptr, len);
|
return _bfd_vms_save_sized_string (ptr, len);
|
}
|
}
|
|
|
/* Stack routines for vms ETIR commands. */
|
/* Stack routines for vms ETIR commands. */
|
|
|
/* Push value and section index. */
|
/* Push value and section index. */
|
|
|
void
|
void
|
_bfd_vms_push (bfd * abfd, uquad val, int psect)
|
_bfd_vms_push (bfd * abfd, uquad val, int psect)
|
{
|
{
|
static int last_psect;
|
static int last_psect;
|
|
|
#if VMS_DEBUG
|
#if VMS_DEBUG
|
vms_debug (4, "<push %016lx (%d) at %d>\n", val, psect, PRIV (stackptr));
|
vms_debug (4, "<push %016lx (%d) at %d>\n", val, psect, PRIV (stackptr));
|
#endif
|
#endif
|
|
|
if (psect >= 0)
|
if (psect >= 0)
|
last_psect = psect;
|
last_psect = psect;
|
|
|
PRIV (stack[PRIV (stackptr)]).value = val;
|
PRIV (stack[PRIV (stackptr)]).value = val;
|
PRIV (stack[PRIV (stackptr)]).psect = last_psect;
|
PRIV (stack[PRIV (stackptr)]).psect = last_psect;
|
PRIV (stackptr)++;
|
PRIV (stackptr)++;
|
if (PRIV (stackptr) >= STACKSIZE)
|
if (PRIV (stackptr) >= STACKSIZE)
|
{
|
{
|
bfd_set_error (bfd_error_bad_value);
|
bfd_set_error (bfd_error_bad_value);
|
(*_bfd_error_handler) (_("Stack overflow (%d) in _bfd_vms_push"), PRIV (stackptr));
|
(*_bfd_error_handler) (_("Stack overflow (%d) in _bfd_vms_push"), PRIV (stackptr));
|
exit (1);
|
exit (1);
|
}
|
}
|
}
|
}
|
|
|
/* Pop value and section index. */
|
/* Pop value and section index. */
|
|
|
uquad
|
uquad
|
_bfd_vms_pop (bfd * abfd, int *psect)
|
_bfd_vms_pop (bfd * abfd, int *psect)
|
{
|
{
|
uquad value;
|
uquad value;
|
|
|
if (PRIV (stackptr) == 0)
|
if (PRIV (stackptr) == 0)
|
{
|
{
|
bfd_set_error (bfd_error_bad_value);
|
bfd_set_error (bfd_error_bad_value);
|
(*_bfd_error_handler) (_("Stack underflow in _bfd_vms_pop"));
|
(*_bfd_error_handler) (_("Stack underflow in _bfd_vms_pop"));
|
exit (1);
|
exit (1);
|
}
|
}
|
PRIV (stackptr)--;
|
PRIV (stackptr)--;
|
value = PRIV (stack[PRIV (stackptr)]).value;
|
value = PRIV (stack[PRIV (stackptr)]).value;
|
if ((psect != NULL) && (PRIV (stack[PRIV (stackptr)]).psect >= 0))
|
if ((psect != NULL) && (PRIV (stack[PRIV (stackptr)]).psect >= 0))
|
*psect = PRIV (stack[PRIV (stackptr)]).psect;
|
*psect = PRIV (stack[PRIV (stackptr)]).psect;
|
|
|
#if VMS_DEBUG
|
#if VMS_DEBUG
|
vms_debug (4, "<pop %016lx(%d)>\n", value, PRIV (stack[PRIV (stackptr)]).psect);
|
vms_debug (4, "<pop %016lx(%d)>\n", value, PRIV (stack[PRIV (stackptr)]).psect);
|
#endif
|
#endif
|
|
|
return value;
|
return value;
|
}
|
}
|
|
|
/* Object file output functions. */
|
/* Object file output functions. */
|
|
|
/* GAS tends to write sections in little chunks (bfd_set_section_contents)
|
/* GAS tends to write sections in little chunks (bfd_set_section_contents)
|
which we can't use directly. So we save the little chunks in linked
|
which we can't use directly. So we save the little chunks in linked
|
lists (one per section) and write them later. */
|
lists (one per section) and write them later. */
|
|
|
/* Add a new vms_section structure to vms_section_table
|
/* Add a new vms_section structure to vms_section_table
|
- forward chaining -. */
|
- forward chaining -. */
|
|
|
static vms_section *
|
static vms_section *
|
add_new_contents (bfd * abfd, sec_ptr section)
|
add_new_contents (bfd * abfd, sec_ptr section)
|
{
|
{
|
vms_section *sptr, *newptr;
|
vms_section *sptr, *newptr;
|
|
|
sptr = PRIV (vms_section_table)[section->index];
|
sptr = PRIV (vms_section_table)[section->index];
|
if (sptr != NULL)
|
if (sptr != NULL)
|
return sptr;
|
return sptr;
|
|
|
newptr = bfd_alloc (abfd, (bfd_size_type) sizeof (vms_section));
|
newptr = bfd_alloc (abfd, (bfd_size_type) sizeof (vms_section));
|
if (newptr == NULL)
|
if (newptr == NULL)
|
return NULL;
|
return NULL;
|
newptr->contents = bfd_alloc (abfd, section->size);
|
newptr->contents = bfd_alloc (abfd, section->size);
|
if (newptr->contents == NULL)
|
if (newptr->contents == NULL)
|
return NULL;
|
return NULL;
|
newptr->offset = 0;
|
newptr->offset = 0;
|
newptr->size = section->size;
|
newptr->size = section->size;
|
newptr->next = 0;
|
newptr->next = 0;
|
PRIV (vms_section_table)[section->index] = newptr;
|
PRIV (vms_section_table)[section->index] = newptr;
|
return newptr;
|
return newptr;
|
}
|
}
|
|
|
/* Save section data & offset to a vms_section structure
|
/* Save section data & offset to a vms_section structure
|
vms_section_table[] holds the vms_section chain. */
|
vms_section_table[] holds the vms_section chain. */
|
|
|
bfd_boolean
|
bfd_boolean
|
_bfd_save_vms_section (bfd * abfd,
|
_bfd_save_vms_section (bfd * abfd,
|
sec_ptr section,
|
sec_ptr section,
|
const void * data,
|
const void * data,
|
file_ptr offset,
|
file_ptr offset,
|
bfd_size_type count)
|
bfd_size_type count)
|
{
|
{
|
vms_section *sptr;
|
vms_section *sptr;
|
|
|
if (section->index >= VMS_SECTION_COUNT)
|
if (section->index >= VMS_SECTION_COUNT)
|
{
|
{
|
bfd_set_error (bfd_error_nonrepresentable_section);
|
bfd_set_error (bfd_error_nonrepresentable_section);
|
return FALSE;
|
return FALSE;
|
}
|
}
|
if (count == (bfd_size_type)0)
|
if (count == (bfd_size_type)0)
|
return TRUE;
|
return TRUE;
|
sptr = add_new_contents (abfd, section);
|
sptr = add_new_contents (abfd, section);
|
if (sptr == NULL)
|
if (sptr == NULL)
|
return FALSE;
|
return FALSE;
|
memcpy (sptr->contents + offset, data, (size_t) count);
|
memcpy (sptr->contents + offset, data, (size_t) count);
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* Get vms_section pointer to saved contents for section # index */
|
/* Get vms_section pointer to saved contents for section # index */
|
|
|
vms_section *
|
vms_section *
|
_bfd_get_vms_section (bfd * abfd, int index)
|
_bfd_get_vms_section (bfd * abfd, int index)
|
{
|
{
|
if (index >= VMS_SECTION_COUNT)
|
if (index >= VMS_SECTION_COUNT)
|
{
|
{
|
bfd_set_error (bfd_error_nonrepresentable_section);
|
bfd_set_error (bfd_error_nonrepresentable_section);
|
return NULL;
|
return NULL;
|
}
|
}
|
return PRIV (vms_section_table)[index];
|
return PRIV (vms_section_table)[index];
|
}
|
}
|
|
|
/* Object output routines. */
|
/* Object output routines. */
|
|
|
/* Begin new record or record header
|
/* Begin new record or record header
|
write 2 bytes rectype
|
write 2 bytes rectype
|
write 2 bytes record length (filled in at flush)
|
write 2 bytes record length (filled in at flush)
|
write 2 bytes header type (ommitted if rechead == -1). */
|
write 2 bytes header type (ommitted if rechead == -1). */
|
|
|
void
|
void
|
_bfd_vms_output_begin (bfd * abfd, int rectype, int rechead)
|
_bfd_vms_output_begin (bfd * abfd, int rectype, int rechead)
|
{
|
{
|
#if VMS_DEBUG
|
#if VMS_DEBUG
|
vms_debug (6, "_bfd_vms_output_begin (type %d, head %d)\n", rectype,
|
vms_debug (6, "_bfd_vms_output_begin (type %d, head %d)\n", rectype,
|
rechead);
|
rechead);
|
#endif
|
#endif
|
|
|
_bfd_vms_output_short (abfd, (unsigned int) rectype);
|
_bfd_vms_output_short (abfd, (unsigned int) rectype);
|
|
|
/* Save current output position to fill in length later. */
|
/* Save current output position to fill in length later. */
|
|
|
if (PRIV (push_level) > 0)
|
if (PRIV (push_level) > 0)
|
PRIV (length_pos) = PRIV (output_size);
|
PRIV (length_pos) = PRIV (output_size);
|
|
|
#if VMS_DEBUG
|
#if VMS_DEBUG
|
vms_debug (6, "_bfd_vms_output_begin: length_pos = %d\n",
|
vms_debug (6, "_bfd_vms_output_begin: length_pos = %d\n",
|
PRIV (length_pos));
|
PRIV (length_pos));
|
#endif
|
#endif
|
|
|
/* Placeholder for length. */
|
/* Placeholder for length. */
|
_bfd_vms_output_short (abfd, 0);
|
_bfd_vms_output_short (abfd, 0);
|
|
|
if (rechead != -1)
|
if (rechead != -1)
|
_bfd_vms_output_short (abfd, (unsigned int) rechead);
|
_bfd_vms_output_short (abfd, (unsigned int) rechead);
|
}
|
}
|
|
|
/* Set record/subrecord alignment. */
|
/* Set record/subrecord alignment. */
|
|
|
void
|
void
|
_bfd_vms_output_alignment (bfd * abfd, int alignto)
|
_bfd_vms_output_alignment (bfd * abfd, int alignto)
|
{
|
{
|
#if VMS_DEBUG
|
#if VMS_DEBUG
|
vms_debug (6, "_bfd_vms_output_alignment (%d)\n", alignto);
|
vms_debug (6, "_bfd_vms_output_alignment (%d)\n", alignto);
|
#endif
|
#endif
|
|
|
PRIV (output_alignment) = alignto;
|
PRIV (output_alignment) = alignto;
|
}
|
}
|
|
|
/* Prepare for subrecord fields. */
|
/* Prepare for subrecord fields. */
|
|
|
void
|
void
|
_bfd_vms_output_push (bfd * abfd)
|
_bfd_vms_output_push (bfd * abfd)
|
{
|
{
|
#if VMS_DEBUG
|
#if VMS_DEBUG
|
vms_debug (6, "vms_output_push (pushed_size = %d)\n", PRIV (output_size));
|
vms_debug (6, "vms_output_push (pushed_size = %d)\n", PRIV (output_size));
|
#endif
|
#endif
|
|
|
PRIV (push_level)++;
|
PRIV (push_level)++;
|
PRIV (pushed_size) = PRIV (output_size);
|
PRIV (pushed_size) = PRIV (output_size);
|
}
|
}
|
|
|
/* End of subrecord fields. */
|
/* End of subrecord fields. */
|
|
|
void
|
void
|
_bfd_vms_output_pop (bfd * abfd)
|
_bfd_vms_output_pop (bfd * abfd)
|
{
|
{
|
#if VMS_DEBUG
|
#if VMS_DEBUG
|
vms_debug (6, "vms_output_pop (pushed_size = %d)\n", PRIV (pushed_size));
|
vms_debug (6, "vms_output_pop (pushed_size = %d)\n", PRIV (pushed_size));
|
#endif
|
#endif
|
|
|
_bfd_vms_output_flush (abfd);
|
_bfd_vms_output_flush (abfd);
|
PRIV (length_pos) = 2;
|
PRIV (length_pos) = 2;
|
|
|
#if VMS_DEBUG
|
#if VMS_DEBUG
|
vms_debug (6, "vms_output_pop: length_pos = %d\n", PRIV (length_pos));
|
vms_debug (6, "vms_output_pop: length_pos = %d\n", PRIV (length_pos));
|
#endif
|
#endif
|
|
|
PRIV (pushed_size) = 0;
|
PRIV (pushed_size) = 0;
|
PRIV (push_level)--;
|
PRIV (push_level)--;
|
}
|
}
|
|
|
/* Flush unwritten output, ends current record. */
|
/* Flush unwritten output, ends current record. */
|
|
|
void
|
void
|
_bfd_vms_output_flush (bfd * abfd)
|
_bfd_vms_output_flush (bfd * abfd)
|
{
|
{
|
int real_size = PRIV (output_size);
|
int real_size = PRIV (output_size);
|
int aligncount;
|
int aligncount;
|
int length;
|
int length;
|
|
|
#if VMS_DEBUG
|
#if VMS_DEBUG
|
vms_debug (6, "_bfd_vms_output_flush (real_size = %d, pushed_size %d at lenpos %d)\n",
|
vms_debug (6, "_bfd_vms_output_flush (real_size = %d, pushed_size %d at lenpos %d)\n",
|
real_size, PRIV (pushed_size), PRIV (length_pos));
|
real_size, PRIV (pushed_size), PRIV (length_pos));
|
#endif
|
#endif
|
|
|
if (PRIV (push_level) > 0)
|
if (PRIV (push_level) > 0)
|
length = real_size - PRIV (pushed_size);
|
length = real_size - PRIV (pushed_size);
|
else
|
else
|
length = real_size;
|
length = real_size;
|
|
|
if (length == 0)
|
if (length == 0)
|
return;
|
return;
|
aligncount = (PRIV (output_alignment)
|
aligncount = (PRIV (output_alignment)
|
- (length % PRIV (output_alignment))) % PRIV (output_alignment);
|
- (length % PRIV (output_alignment))) % PRIV (output_alignment);
|
|
|
#if VMS_DEBUG
|
#if VMS_DEBUG
|
vms_debug (6, "align: adding %d bytes\n", aligncount);
|
vms_debug (6, "align: adding %d bytes\n", aligncount);
|
#endif
|
#endif
|
|
|
while (aligncount-- > 0)
|
while (aligncount-- > 0)
|
{
|
{
|
PRIV (output_buf)[real_size++] = 0;
|
PRIV (output_buf)[real_size++] = 0;
|
length++;
|
length++;
|
}
|
}
|
|
|
/* Put length to buffer. */
|
/* Put length to buffer. */
|
PRIV (output_size) = PRIV (length_pos);
|
PRIV (output_size) = PRIV (length_pos);
|
_bfd_vms_output_short (abfd, (unsigned int) length);
|
_bfd_vms_output_short (abfd, (unsigned int) length);
|
|
|
if (PRIV (push_level) == 0)
|
if (PRIV (push_level) == 0)
|
{
|
{
|
if (0
|
if (0
|
#ifndef VMS
|
#ifndef VMS
|
/* Write length first, see FF_FOREIGN in the input routines. */
|
/* Write length first, see FF_FOREIGN in the input routines. */
|
|| fwrite (PRIV (output_buf) + 2, 2, 1,
|
|| fwrite (PRIV (output_buf) + 2, 2, 1,
|
(FILE *) abfd->iostream) != 1
|
(FILE *) abfd->iostream) != 1
|
#endif
|
#endif
|
|| (real_size != 0
|
|| (real_size != 0
|
&& fwrite (PRIV (output_buf), (size_t) real_size, 1,
|
&& fwrite (PRIV (output_buf), (size_t) real_size, 1,
|
(FILE *) abfd->iostream) != 1))
|
(FILE *) abfd->iostream) != 1))
|
/* FIXME: Return error status. */
|
/* FIXME: Return error status. */
|
abort ();
|
abort ();
|
|
|
PRIV (output_size) = 0;
|
PRIV (output_size) = 0;
|
}
|
}
|
else
|
else
|
{
|
{
|
PRIV (output_size) = real_size;
|
PRIV (output_size) = real_size;
|
PRIV (pushed_size) = PRIV (output_size);
|
PRIV (pushed_size) = PRIV (output_size);
|
}
|
}
|
}
|
}
|
|
|
/* End record output. */
|
/* End record output. */
|
|
|
void
|
void
|
_bfd_vms_output_end (bfd * abfd)
|
_bfd_vms_output_end (bfd * abfd)
|
{
|
{
|
#if VMS_DEBUG
|
#if VMS_DEBUG
|
vms_debug (6, "_bfd_vms_output_end\n");
|
vms_debug (6, "_bfd_vms_output_end\n");
|
#endif
|
#endif
|
|
|
_bfd_vms_output_flush (abfd);
|
_bfd_vms_output_flush (abfd);
|
}
|
}
|
|
|
/* Check remaining buffer size
|
/* Check remaining buffer size
|
|
|
Return what's left. */
|
Return what's left. */
|
|
|
int
|
int
|
_bfd_vms_output_check (bfd * abfd, int size)
|
_bfd_vms_output_check (bfd * abfd, int size)
|
{
|
{
|
#if VMS_DEBUG
|
#if VMS_DEBUG
|
vms_debug (6, "_bfd_vms_output_check (%d)\n", size);
|
vms_debug (6, "_bfd_vms_output_check (%d)\n", size);
|
#endif
|
#endif
|
|
|
return (MAX_OUTREC_SIZE - (PRIV (output_size) + size + MIN_OUTREC_LUFT));
|
return (MAX_OUTREC_SIZE - (PRIV (output_size) + size + MIN_OUTREC_LUFT));
|
}
|
}
|
|
|
/* Output byte (8 bit) value. */
|
/* Output byte (8 bit) value. */
|
|
|
void
|
void
|
_bfd_vms_output_byte (bfd * abfd, unsigned int value)
|
_bfd_vms_output_byte (bfd * abfd, unsigned int value)
|
{
|
{
|
#if VMS_DEBUG
|
#if VMS_DEBUG
|
vms_debug (6, "_bfd_vms_output_byte (%02x)\n", value);
|
vms_debug (6, "_bfd_vms_output_byte (%02x)\n", value);
|
#endif
|
#endif
|
|
|
bfd_put_8 (abfd, value & 0xff, PRIV (output_buf) + PRIV (output_size));
|
bfd_put_8 (abfd, value & 0xff, PRIV (output_buf) + PRIV (output_size));
|
PRIV (output_size) += 1;
|
PRIV (output_size) += 1;
|
}
|
}
|
|
|
/* Output short (16 bit) value. */
|
/* Output short (16 bit) value. */
|
|
|
void
|
void
|
_bfd_vms_output_short (bfd * abfd, unsigned int value)
|
_bfd_vms_output_short (bfd * abfd, unsigned int value)
|
{
|
{
|
#if VMS_DEBUG
|
#if VMS_DEBUG
|
vms_debug (6, "_bfd_vms_output_short (%04x)\n", value);
|
vms_debug (6, "_bfd_vms_output_short (%04x)\n", value);
|
#endif
|
#endif
|
|
|
bfd_put_16 (abfd, (bfd_vma) value & 0xffff,
|
bfd_put_16 (abfd, (bfd_vma) value & 0xffff,
|
PRIV (output_buf) + PRIV (output_size));
|
PRIV (output_buf) + PRIV (output_size));
|
PRIV (output_size) += 2;
|
PRIV (output_size) += 2;
|
}
|
}
|
|
|
/* Output long (32 bit) value. */
|
/* Output long (32 bit) value. */
|
|
|
void
|
void
|
_bfd_vms_output_long (bfd * abfd, unsigned long value)
|
_bfd_vms_output_long (bfd * abfd, unsigned long value)
|
{
|
{
|
#if VMS_DEBUG
|
#if VMS_DEBUG
|
vms_debug (6, "_bfd_vms_output_long (%08lx)\n", value);
|
vms_debug (6, "_bfd_vms_output_long (%08lx)\n", value);
|
#endif
|
#endif
|
|
|
bfd_put_32 (abfd, (bfd_vma) value, PRIV (output_buf) + PRIV (output_size));
|
bfd_put_32 (abfd, (bfd_vma) value, PRIV (output_buf) + PRIV (output_size));
|
PRIV (output_size) += 4;
|
PRIV (output_size) += 4;
|
}
|
}
|
|
|
/* Output quad (64 bit) value. */
|
/* Output quad (64 bit) value. */
|
|
|
void
|
void
|
_bfd_vms_output_quad (bfd * abfd, uquad value)
|
_bfd_vms_output_quad (bfd * abfd, uquad value)
|
{
|
{
|
#if VMS_DEBUG
|
#if VMS_DEBUG
|
vms_debug (6, "_bfd_vms_output_quad (%016lx)\n", value);
|
vms_debug (6, "_bfd_vms_output_quad (%016lx)\n", value);
|
#endif
|
#endif
|
|
|
bfd_put_64(abfd, value, PRIV (output_buf) + PRIV (output_size));
|
bfd_put_64(abfd, value, PRIV (output_buf) + PRIV (output_size));
|
PRIV (output_size) += 8;
|
PRIV (output_size) += 8;
|
}
|
}
|
|
|
/* Output c-string as counted string. */
|
/* Output c-string as counted string. */
|
|
|
void
|
void
|
_bfd_vms_output_counted (bfd * abfd, char *value)
|
_bfd_vms_output_counted (bfd * abfd, char *value)
|
{
|
{
|
int len;
|
int len;
|
|
|
#if VMS_DEBUG
|
#if VMS_DEBUG
|
vms_debug (6, "_bfd_vms_output_counted (%s)\n", value);
|
vms_debug (6, "_bfd_vms_output_counted (%s)\n", value);
|
#endif
|
#endif
|
|
|
len = strlen (value);
|
len = strlen (value);
|
if (len == 0)
|
if (len == 0)
|
{
|
{
|
(*_bfd_error_handler) (_("_bfd_vms_output_counted called with zero bytes"));
|
(*_bfd_error_handler) (_("_bfd_vms_output_counted called with zero bytes"));
|
return;
|
return;
|
}
|
}
|
if (len > 255)
|
if (len > 255)
|
{
|
{
|
(*_bfd_error_handler) (_("_bfd_vms_output_counted called with too many bytes"));
|
(*_bfd_error_handler) (_("_bfd_vms_output_counted called with too many bytes"));
|
return;
|
return;
|
}
|
}
|
_bfd_vms_output_byte (abfd, (unsigned int) len & 0xff);
|
_bfd_vms_output_byte (abfd, (unsigned int) len & 0xff);
|
_bfd_vms_output_dump (abfd, (unsigned char *) value, len);
|
_bfd_vms_output_dump (abfd, (unsigned char *) value, len);
|
}
|
}
|
|
|
/* Output character area. */
|
/* Output character area. */
|
|
|
void
|
void
|
_bfd_vms_output_dump (bfd * abfd,
|
_bfd_vms_output_dump (bfd * abfd,
|
unsigned char *data,
|
unsigned char *data,
|
int length)
|
int length)
|
{
|
{
|
#if VMS_DEBUG
|
#if VMS_DEBUG
|
vms_debug (6, "_bfd_vms_output_dump (%d)\n", length);
|
vms_debug (6, "_bfd_vms_output_dump (%d)\n", length);
|
#endif
|
#endif
|
|
|
if (length == 0)
|
if (length == 0)
|
return;
|
return;
|
|
|
memcpy (PRIV (output_buf) + PRIV (output_size), data, (size_t) length);
|
memcpy (PRIV (output_buf) + PRIV (output_size), data, (size_t) length);
|
PRIV (output_size) += length;
|
PRIV (output_size) += length;
|
}
|
}
|
|
|
/* Output count bytes of value. */
|
/* Output count bytes of value. */
|
|
|
void
|
void
|
_bfd_vms_output_fill (bfd * abfd,
|
_bfd_vms_output_fill (bfd * abfd,
|
int value,
|
int value,
|
int count)
|
int count)
|
{
|
{
|
#if VMS_DEBUG
|
#if VMS_DEBUG
|
vms_debug (6, "_bfd_vms_output_fill (val %02x times %d)\n", value, count);
|
vms_debug (6, "_bfd_vms_output_fill (val %02x times %d)\n", value, count);
|
#endif
|
#endif
|
|
|
if (count == 0)
|
if (count == 0)
|
return;
|
return;
|
memset (PRIV (output_buf) + PRIV (output_size), value, (size_t) count);
|
memset (PRIV (output_buf) + PRIV (output_size), value, (size_t) count);
|
PRIV (output_size) += count;
|
PRIV (output_size) += count;
|
}
|
}
|
|
|
/* This hash routine borrowed from GNU-EMACS, and strengthened slightly. ERY. */
|
/* This hash routine borrowed from GNU-EMACS, and strengthened slightly. ERY. */
|
|
|
static int
|
static int
|
hash_string (const char *ptr)
|
hash_string (const char *ptr)
|
{
|
{
|
const unsigned char *p = (unsigned char *) ptr;
|
const unsigned char *p = (unsigned char *) ptr;
|
const unsigned char *end = p + strlen (ptr);
|
const unsigned char *end = p + strlen (ptr);
|
unsigned char c;
|
unsigned char c;
|
int hash = 0;
|
int hash = 0;
|
|
|
while (p != end)
|
while (p != end)
|
{
|
{
|
c = *p++;
|
c = *p++;
|
hash = ((hash << 3) + (hash << 15) + (hash >> 28) + c);
|
hash = ((hash << 3) + (hash << 15) + (hash >> 28) + c);
|
}
|
}
|
return hash;
|
return hash;
|
}
|
}
|
|
|
/* Generate a length-hashed VMS symbol name (limited to maxlen chars). */
|
/* Generate a length-hashed VMS symbol name (limited to maxlen chars). */
|
|
|
char *
|
char *
|
_bfd_vms_length_hash_symbol (bfd * abfd, const char *in, int maxlen)
|
_bfd_vms_length_hash_symbol (bfd * abfd, const char *in, int maxlen)
|
{
|
{
|
long int result;
|
long int result;
|
int in_len;
|
int in_len;
|
char *new_name;
|
char *new_name;
|
const char *old_name;
|
const char *old_name;
|
int i;
|
int i;
|
static char outbuf[EOBJ_S_C_SYMSIZ+1];
|
static char outbuf[EOBJ_S_C_SYMSIZ+1];
|
char *out = outbuf;
|
char *out = outbuf;
|
|
|
#if VMS_DEBUG
|
#if VMS_DEBUG
|
vms_debug (4, "_bfd_vms_length_hash_symbol \"%s\"\n", in);
|
vms_debug (4, "_bfd_vms_length_hash_symbol \"%s\"\n", in);
|
#endif
|
#endif
|
|
|
if (maxlen > EOBJ_S_C_SYMSIZ)
|
if (maxlen > EOBJ_S_C_SYMSIZ)
|
maxlen = EOBJ_S_C_SYMSIZ;
|
maxlen = EOBJ_S_C_SYMSIZ;
|
|
|
/* Save this for later. */
|
/* Save this for later. */
|
new_name = out;
|
new_name = out;
|
|
|
/* We may need to truncate the symbol, save the hash for later. */
|
/* We may need to truncate the symbol, save the hash for later. */
|
in_len = strlen (in);
|
in_len = strlen (in);
|
|
|
result = (in_len > maxlen) ? hash_string (in) : 0;
|
result = (in_len > maxlen) ? hash_string (in) : 0;
|
|
|
old_name = in;
|
old_name = in;
|
|
|
/* Do the length checking. */
|
/* Do the length checking. */
|
if (in_len <= maxlen)
|
if (in_len <= maxlen)
|
i = in_len;
|
i = in_len;
|
else
|
else
|
{
|
{
|
if (PRIV (flag_hash_long_names))
|
if (PRIV (flag_hash_long_names))
|
i = maxlen-9;
|
i = maxlen-9;
|
else
|
else
|
i = maxlen;
|
i = maxlen;
|
}
|
}
|
|
|
strncpy (out, in, (size_t) i);
|
strncpy (out, in, (size_t) i);
|
in += i;
|
in += i;
|
out += i;
|
out += i;
|
|
|
if ((in_len > maxlen)
|
if ((in_len > maxlen)
|
&& PRIV (flag_hash_long_names))
|
&& PRIV (flag_hash_long_names))
|
sprintf (out, "_%08lx", result);
|
sprintf (out, "_%08lx", result);
|
else
|
else
|
*out = 0;
|
*out = 0;
|
|
|
#if VMS_DEBUG
|
#if VMS_DEBUG
|
vms_debug (4, "--> [%d]\"%s\"\n", strlen (outbuf), outbuf);
|
vms_debug (4, "--> [%d]\"%s\"\n", strlen (outbuf), outbuf);
|
#endif
|
#endif
|
|
|
if (in_len > maxlen
|
if (in_len > maxlen
|
&& PRIV (flag_hash_long_names)
|
&& PRIV (flag_hash_long_names)
|
&& PRIV (flag_show_after_trunc))
|
&& PRIV (flag_show_after_trunc))
|
printf (_("Symbol %s replaced by %s\n"), old_name, new_name);
|
printf (_("Symbol %s replaced by %s\n"), old_name, new_name);
|
|
|
return outbuf;
|
return outbuf;
|
}
|
}
|
|
|
/* Allocate and initialize a new symbol. */
|
/* Allocate and initialize a new symbol. */
|
|
|
static asymbol *
|
static asymbol *
|
new_symbol (bfd * abfd, char *name)
|
new_symbol (bfd * abfd, char *name)
|
{
|
{
|
asymbol *symbol;
|
asymbol *symbol;
|
|
|
#if VMS_DEBUG
|
#if VMS_DEBUG
|
_bfd_vms_debug (7, "new_symbol %s\n", name);
|
_bfd_vms_debug (7, "new_symbol %s\n", name);
|
#endif
|
#endif
|
|
|
symbol = bfd_make_empty_symbol (abfd);
|
symbol = bfd_make_empty_symbol (abfd);
|
if (symbol == 0)
|
if (symbol == 0)
|
return symbol;
|
return symbol;
|
symbol->name = name;
|
symbol->name = name;
|
symbol->section = bfd_make_section (abfd, BFD_UND_SECTION_NAME);
|
symbol->section = bfd_make_section (abfd, BFD_UND_SECTION_NAME);
|
|
|
return symbol;
|
return symbol;
|
}
|
}
|
|
|
/* Allocate and enter a new private symbol. */
|
/* Allocate and enter a new private symbol. */
|
|
|
vms_symbol_entry *
|
vms_symbol_entry *
|
_bfd_vms_enter_symbol (bfd * abfd, char *name)
|
_bfd_vms_enter_symbol (bfd * abfd, char *name)
|
{
|
{
|
vms_symbol_entry *entry;
|
vms_symbol_entry *entry;
|
|
|
#if VMS_DEBUG
|
#if VMS_DEBUG
|
_bfd_vms_debug (6, "_bfd_vms_enter_symbol %s\n", name);
|
_bfd_vms_debug (6, "_bfd_vms_enter_symbol %s\n", name);
|
#endif
|
#endif
|
|
|
entry = (vms_symbol_entry *)
|
entry = (vms_symbol_entry *)
|
bfd_hash_lookup (PRIV (vms_symbol_table), name, FALSE, FALSE);
|
bfd_hash_lookup (PRIV (vms_symbol_table), name, FALSE, FALSE);
|
if (entry == 0)
|
if (entry == 0)
|
{
|
{
|
#if VMS_DEBUG
|
#if VMS_DEBUG
|
_bfd_vms_debug (8, "creating hash entry for %s\n", name);
|
_bfd_vms_debug (8, "creating hash entry for %s\n", name);
|
#endif
|
#endif
|
entry = (vms_symbol_entry *) bfd_hash_lookup (PRIV (vms_symbol_table),
|
entry = (vms_symbol_entry *) bfd_hash_lookup (PRIV (vms_symbol_table),
|
name, TRUE, FALSE);
|
name, TRUE, FALSE);
|
if (entry != 0)
|
if (entry != 0)
|
{
|
{
|
asymbol *symbol;
|
asymbol *symbol;
|
symbol = new_symbol (abfd, name);
|
symbol = new_symbol (abfd, name);
|
if (symbol != 0)
|
if (symbol != 0)
|
{
|
{
|
entry->symbol = symbol;
|
entry->symbol = symbol;
|
PRIV (gsd_sym_count)++;
|
PRIV (gsd_sym_count)++;
|
abfd->symcount++;
|
abfd->symcount++;
|
}
|
}
|
else
|
else
|
entry = 0;
|
entry = 0;
|
}
|
}
|
else
|
else
|
(*_bfd_error_handler) (_("failed to enter %s"), name);
|
(*_bfd_error_handler) (_("failed to enter %s"), name);
|
}
|
}
|
else
|
else
|
{
|
{
|
#if VMS_DEBUG
|
#if VMS_DEBUG
|
_bfd_vms_debug (8, "found hash entry for %s\n", name);
|
_bfd_vms_debug (8, "found hash entry for %s\n", name);
|
#endif
|
#endif
|
}
|
}
|
|
|
#if VMS_DEBUG
|
#if VMS_DEBUG
|
_bfd_vms_debug (7, "-> entry %p, entry->symbol %p\n", entry, entry->symbol);
|
_bfd_vms_debug (7, "-> entry %p, entry->symbol %p\n", entry, entry->symbol);
|
#endif
|
#endif
|
return entry;
|
return entry;
|
}
|
}
|
|
|
