OpenCores
URL https://opencores.org/ocsvn/openrisc/openrisc/trunk

Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [gnu-old/] [gdb-7.1/] [bfd/] [vms-misc.c] - Diff between revs 834 and 842

Go to most recent revision | Only display areas with differences | Details | Blame | View Log

Rev 834 Rev 842
/* vms-misc.c -- BFD back-end for VMS/VAX (openVMS/VAX) and
/* vms-misc.c -- BFD back-end for VMS/VAX (openVMS/VAX) and
   EVAX (openVMS/Alpha) files.
   EVAX (openVMS/Alpha) files.
   Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
   Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
   2007, 2008, 2009  Free Software Foundation, Inc.
   2007, 2008, 2009  Free Software Foundation, Inc.
 
 
   Miscellaneous functions.
   Miscellaneous functions.
 
 
   Written by Klaus K"ampf (kkaempf@rmi.de)
   Written by Klaus K"ampf (kkaempf@rmi.de)
 
 
   This program is free software; you can redistribute it and/or modify
   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
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3 of the License, or
   the Free Software Foundation; either version 3 of the License, or
   (at your option) any later version.
   (at your option) any later version.
 
 
   This program is distributed in the hope that it will be useful,
   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.
   GNU General Public License for more details.
 
 
   You should have received a copy of the GNU General Public License
   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   along with this program; if not, write to the Free Software
   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
   MA 02110-1301, USA.  */
   MA 02110-1301, USA.  */
 
 
#if __STDC__
#if __STDC__
#include <stdarg.h>
#include <stdarg.h>
#endif
#endif
 
 
#include "sysdep.h"
#include "sysdep.h"
#include "bfd.h"
#include "bfd.h"
#include "bfdlink.h"
#include "bfdlink.h"
#include "libbfd.h"
#include "libbfd.h"
 
 
#include "vms.h"
#include "vms.h"
 
 
#define MIN(a,b) ((a) < (b) ? (a) : (b))
#define MIN(a,b) ((a) < (b) ? (a) : (b))
 
 
static int hash_string PARAMS ((const char *));
static int hash_string PARAMS ((const char *));
static asymbol *new_symbol PARAMS ((bfd *, char *));
static asymbol *new_symbol PARAMS ((bfd *, char *));
static void maybe_adjust_record_pointer_for_object PARAMS ((bfd *));
static void maybe_adjust_record_pointer_for_object PARAMS ((bfd *));
static int vms_get_remaining_object_record PARAMS ((bfd *, int ));
static int vms_get_remaining_object_record PARAMS ((bfd *, int ));
static int vms_get_remaining_image_record PARAMS ((bfd *, int ));
static int vms_get_remaining_image_record PARAMS ((bfd *, int ));
 
 
#if VMS_DEBUG
#if VMS_DEBUG
/* Debug functions.  */
/* Debug functions.  */
 
 
/* Debug function for all vms extensions evaluates environment
/* Debug function for all vms extensions evaluates environment
   variable VMS_DEBUG for a numerical value on the first call all
   variable VMS_DEBUG for a numerical value on the first call all
   error levels below this value are printed:
   error levels below this value are printed:
 
 
   Levels:
   Levels:
   1    toplevel bfd calls (functions from the bfd vector)
   1    toplevel bfd calls (functions from the bfd vector)
   2    functions called by bfd calls
   2    functions called by bfd calls
   ...
   ...
   9    almost everything
   9    almost everything
 
 
   Level is also indentation level. Indentation is performed
   Level is also indentation level. Indentation is performed
   if level > 0.  */
   if level > 0.  */
 
 
void
void
_bfd_vms_debug (int level, char *format, ...)
_bfd_vms_debug (int level, char *format, ...)
{
{
  static int min_level = -1;
  static int min_level = -1;
  static FILE *output = NULL;
  static FILE *output = NULL;
  char *eptr;
  char *eptr;
  va_list args;
  va_list args;
  int abslvl = (level > 0) ? level : - level;
  int abslvl = (level > 0) ? level : - level;
 
 
  if (min_level == -1)
  if (min_level == -1)
    {
    {
      if ((eptr = getenv ("VMS_DEBUG")) != NULL)
      if ((eptr = getenv ("VMS_DEBUG")) != NULL)
        {
        {
          min_level = atoi (eptr);
          min_level = atoi (eptr);
          output = stderr;
          output = stderr;
        }
        }
      else
      else
        min_level = 0;
        min_level = 0;
    }
    }
  if (output == NULL)
  if (output == NULL)
    return;
    return;
  if (abslvl > min_level)
  if (abslvl > min_level)
    return;
    return;
 
 
  while (--level>0)
  while (--level>0)
    fprintf (output, " ");
    fprintf (output, " ");
  va_start (args, format);
  va_start (args, format);
  vfprintf (output, format, args);
  vfprintf (output, format, args);
  fflush (output);
  fflush (output);
  va_end (args);
  va_end (args);
}
}
 
 
/* A debug function
/* A debug function
   hex dump 'size' bytes starting at 'ptr'.  */
   hex dump 'size' bytes starting at 'ptr'.  */
 
 
void
void
_bfd_hexdump (int level,
_bfd_hexdump (int level,
              unsigned char *ptr,
              unsigned char *ptr,
              int size,
              int size,
              int offset)
              int offset)
{
{
  unsigned char *lptr = ptr;
  unsigned char *lptr = ptr;
  int count = 0;
  int count = 0;
  long start = offset;
  long start = offset;
 
 
  while (size-- > 0)
  while (size-- > 0)
    {
    {
      if ((count%16) == 0)
      if ((count%16) == 0)
        vms_debug (level, "%08lx:", start);
        vms_debug (level, "%08lx:", start);
      vms_debug (-level, " %02x", *ptr++);
      vms_debug (-level, " %02x", *ptr++);
      count++;
      count++;
      start++;
      start++;
      if (size == 0)
      if (size == 0)
        {
        {
          while ((count%16) != 0)
          while ((count%16) != 0)
            {
            {
              vms_debug (-level, "   ");
              vms_debug (-level, "   ");
              count++;
              count++;
            }
            }
        }
        }
      if ((count%16) == 0)
      if ((count%16) == 0)
        {
        {
          vms_debug (-level, " ");
          vms_debug (-level, " ");
          while (lptr < ptr)
          while (lptr < ptr)
            {
            {
              vms_debug (-level, "%c", (*lptr < 32)?'.':*lptr);
              vms_debug (-level, "%c", (*lptr < 32)?'.':*lptr);
              lptr++;
              lptr++;
            }
            }
          vms_debug (-level, "\n");
          vms_debug (-level, "\n");
        }
        }
    }
    }
  if ((count%16) != 0)
  if ((count%16) != 0)
    vms_debug (-level, "\n");
    vms_debug (-level, "\n");
}
}
#endif
#endif


/* Hash functions
/* Hash functions
 
 
   These are needed when reading an object file.  */
   These are needed when reading an object file.  */
 
 
/* Allocate new vms_hash_entry
/* Allocate new vms_hash_entry
   keep the symbol name and a pointer to the bfd symbol in the table.  */
   keep the symbol name and a pointer to the bfd symbol in the table.  */
 
 
struct bfd_hash_entry *
struct bfd_hash_entry *
_bfd_vms_hash_newfunc (struct bfd_hash_entry *entry,
_bfd_vms_hash_newfunc (struct bfd_hash_entry *entry,
                       struct bfd_hash_table *table,
                       struct bfd_hash_table *table,
                       const char *string)
                       const char *string)
{
{
  vms_symbol_entry *ret;
  vms_symbol_entry *ret;
 
 
#if VMS_DEBUG
#if VMS_DEBUG
  vms_debug (5, "_bfd_vms_hash_newfunc (%p, %p, %s)\n", entry, table, string);
  vms_debug (5, "_bfd_vms_hash_newfunc (%p, %p, %s)\n", entry, table, string);
#endif
#endif
 
 
  if (entry == NULL)
  if (entry == NULL)
    {
    {
      ret = (vms_symbol_entry *)
      ret = (vms_symbol_entry *)
              bfd_hash_allocate (table, sizeof (vms_symbol_entry));
              bfd_hash_allocate (table, sizeof (vms_symbol_entry));
      if (ret ==  NULL)
      if (ret ==  NULL)
        {
        {
          bfd_set_error (bfd_error_no_memory);
          bfd_set_error (bfd_error_no_memory);
          return NULL;
          return NULL;
        }
        }
      entry = (struct bfd_hash_entry *) ret;
      entry = (struct bfd_hash_entry *) ret;
    }
    }
 
 
  /* Call the allocation method of the base class.  */
  /* Call the allocation method of the base class.  */
  ret = (vms_symbol_entry *) bfd_hash_newfunc (entry, table, string);
  ret = (vms_symbol_entry *) bfd_hash_newfunc (entry, table, string);
#if VMS_DEBUG
#if VMS_DEBUG
  vms_debug (6, "_bfd_vms_hash_newfunc ret %p\n", ret);
  vms_debug (6, "_bfd_vms_hash_newfunc ret %p\n", ret);
#endif
#endif
 
 
  ret->symbol = NULL;
  ret->symbol = NULL;
 
 
  return (struct bfd_hash_entry *)ret;
  return (struct bfd_hash_entry *)ret;
}
}


/* Object file input functions.  */
/* Object file input functions.  */
 
 
/* Return type and size from record header (buf) on Alpha.  */
/* Return type and size from record header (buf) on Alpha.  */
 
 
void
void
_bfd_vms_get_header_values (bfd * abfd ATTRIBUTE_UNUSED,
_bfd_vms_get_header_values (bfd * abfd ATTRIBUTE_UNUSED,
                            unsigned char *buf,
                            unsigned char *buf,
                            int *type,
                            int *type,
                            int *size)
                            int *size)
{
{
  if (type)
  if (type)
    *type = bfd_getl16 (buf);
    *type = bfd_getl16 (buf);
 
 
  if (size)
  if (size)
    *size = bfd_getl16 (buf+2);
    *size = bfd_getl16 (buf+2);
 
 
#if VMS_DEBUG
#if VMS_DEBUG
  vms_debug (10, "_bfd_vms_get_header_values type %x, size %x\n",
  vms_debug (10, "_bfd_vms_get_header_values type %x, size %x\n",
             type ? *type : 0, size ? *size : 0);
             type ? *type : 0, size ? *size : 0);
#endif
#endif
}
}
 
 
/* Get next record from object file to vms_buf.
/* Get next record from object file to vms_buf.
   Set PRIV(buf_size) and return it
   Set PRIV(buf_size) and return it
 
 
   This is a little tricky since it should be portable.
   This is a little tricky since it should be portable.
 
 
   The openVMS object file has 'variable length' which means that
   The openVMS object file has 'variable length' which means that
   read() returns data in chunks of (hopefully) correct and expected
   read() returns data in chunks of (hopefully) correct and expected
   size.  The linker (and other tools on VMS) depend on that. Unix
   size.  The linker (and other tools on VMS) depend on that. Unix
   doesn't know about 'formatted' files, so reading and writing such
   doesn't know about 'formatted' files, so reading and writing such
   an object file in a Unix environment is not trivial.
   an object file in a Unix environment is not trivial.
 
 
   With the tool 'file' (available on all VMS FTP sites), one
   With the tool 'file' (available on all VMS FTP sites), one
   can view and change the attributes of a file.  Changing from
   can view and change the attributes of a file.  Changing from
   'variable length' to 'fixed length, 512 bytes' reveals the
   'variable length' to 'fixed length, 512 bytes' reveals the
   record size at the first 2 bytes of every record.  The same
   record size at the first 2 bytes of every record.  The same
   may happen during the transfer of object files from VMS to Unix,
   may happen during the transfer of object files from VMS to Unix,
   at least with UCX, the DEC implementation of TCP/IP.
   at least with UCX, the DEC implementation of TCP/IP.
 
 
   The VMS format repeats the size at bytes 2 & 3 of every record.
   The VMS format repeats the size at bytes 2 & 3 of every record.
 
 
   On the first call (file_format == FF_UNKNOWN) we check if
   On the first call (file_format == FF_UNKNOWN) we check if
   the first and the third byte pair (!) of the record match.
   the first and the third byte pair (!) of the record match.
   If they do it's an object file in an Unix environment or with
   If they do it's an object file in an Unix environment or with
   wrong attributes (FF_FOREIGN), else we should be in a VMS
   wrong attributes (FF_FOREIGN), else we should be in a VMS
   environment where read() returns the record size (FF_NATIVE).
   environment where read() returns the record size (FF_NATIVE).
 
 
   Reading is always done in 2 steps:
   Reading is always done in 2 steps:
    1. first just the record header is read and the size extracted,
    1. first just the record header is read and the size extracted,
    2. then the read buffer is adjusted and the remaining bytes are
    2. then the read buffer is adjusted and the remaining bytes are
       read in.
       read in.
 
 
   All file I/O is done on even file positions.  */
   All file I/O is done on even file positions.  */
 
 
#define VMS_OBJECT_ADJUSTMENT  2
#define VMS_OBJECT_ADJUSTMENT  2
 
 
static void
static void
maybe_adjust_record_pointer_for_object (bfd *abfd)
maybe_adjust_record_pointer_for_object (bfd *abfd)
{
{
  /* Set the file format once for all on the first invocation.  */
  /* Set the file format once for all on the first invocation.  */
  if (PRIV (file_format) == FF_UNKNOWN)
  if (PRIV (file_format) == FF_UNKNOWN)
    {
    {
      if (PRIV (vms_rec)[0] == PRIV (vms_rec)[4]
      if (PRIV (vms_rec)[0] == PRIV (vms_rec)[4]
          && PRIV (vms_rec)[1] == PRIV (vms_rec)[5])
          && PRIV (vms_rec)[1] == PRIV (vms_rec)[5])
        PRIV (file_format) = FF_FOREIGN;
        PRIV (file_format) = FF_FOREIGN;
      else
      else
        PRIV (file_format) = FF_NATIVE;
        PRIV (file_format) = FF_NATIVE;
    }
    }
 
 
  /* The adjustment is needed only in an Unix environment.  */
  /* The adjustment is needed only in an Unix environment.  */
  if (PRIV (file_format) == FF_FOREIGN)
  if (PRIV (file_format) == FF_FOREIGN)
    PRIV (vms_rec) += VMS_OBJECT_ADJUSTMENT;
    PRIV (vms_rec) += VMS_OBJECT_ADJUSTMENT;
}
}
 
 
/* Get first record from file and return the file type.  */
/* Get first record from file and return the file type.  */
 
 
int
int
_bfd_vms_get_first_record (bfd *abfd)
_bfd_vms_get_first_record (bfd *abfd)
{
{
  unsigned int test_len;
  unsigned int test_len;
 
 
#if VMS_DEBUG
#if VMS_DEBUG
  vms_debug (8, "_bfd_vms_get_first_record\n");
  vms_debug (8, "_bfd_vms_get_first_record\n");
#endif
#endif
 
 
  if (PRIV (is_vax))
  if (PRIV (is_vax))
    test_len = 0;
    test_len = 0;
  else
  else
    /* Minimum is 6 bytes for objects (2 bytes size, 2 bytes record id,
    /* Minimum is 6 bytes for objects (2 bytes size, 2 bytes record id,
       2 bytes size repeated) and 12 bytes for images (4 bytes major id,
       2 bytes size repeated) and 12 bytes for images (4 bytes major id,
       4 bytes minor id, 4 bytes length).  */
       4 bytes minor id, 4 bytes length).  */
    test_len = 12;
    test_len = 12;
 
 
  /* Size the main buffer.  */
  /* Size the main buffer.  */
  if (PRIV (buf_size) == 0)
  if (PRIV (buf_size) == 0)
    {
    {
      /* On VAX there's no size information in the record, so
      /* On VAX there's no size information in the record, so
         start with OBJ_S_C_MAXRECSIZ.  */
         start with OBJ_S_C_MAXRECSIZ.  */
      bfd_size_type amt = (test_len ? test_len : OBJ_S_C_MAXRECSIZ);
      bfd_size_type amt = (test_len ? test_len : OBJ_S_C_MAXRECSIZ);
      PRIV (vms_buf) = (unsigned char *) bfd_malloc (amt);
      PRIV (vms_buf) = (unsigned char *) bfd_malloc (amt);
      PRIV (buf_size) = amt;
      PRIV (buf_size) = amt;
    }
    }
 
 
  /* Initialize the record pointer.  */
  /* Initialize the record pointer.  */
  PRIV (vms_rec) = PRIV (vms_buf);
  PRIV (vms_rec) = PRIV (vms_buf);
 
 
  /* We only support modules on VAX.  */
  /* We only support modules on VAX.  */
  if (PRIV (is_vax))
  if (PRIV (is_vax))
    {
    {
      if (vms_get_remaining_object_record (abfd, test_len) <= 0)
      if (vms_get_remaining_object_record (abfd, test_len) <= 0)
        return FT_UNKNOWN;
        return FT_UNKNOWN;
 
 
#if VMS_DEBUG
#if VMS_DEBUG
      vms_debug (2, "file type is VAX module\n");
      vms_debug (2, "file type is VAX module\n");
#endif
#endif
 
 
      return FT_MODULE;
      return FT_MODULE;
    }
    }
 
 
  if (bfd_bread (PRIV (vms_buf), test_len, abfd) != test_len)
  if (bfd_bread (PRIV (vms_buf), test_len, abfd) != test_len)
    {
    {
      bfd_set_error (bfd_error_file_truncated);
      bfd_set_error (bfd_error_file_truncated);
      return FT_UNKNOWN;
      return FT_UNKNOWN;
    }
    }
 
 
  /* Is it an image?  */
  /* Is it an image?  */
  if ((bfd_getl32 (PRIV (vms_rec)) == EIHD_S_K_MAJORID)
  if ((bfd_getl32 (PRIV (vms_rec)) == EIHD_S_K_MAJORID)
      && (bfd_getl32 (PRIV (vms_rec) + 4) == EIHD_S_K_MINORID))
      && (bfd_getl32 (PRIV (vms_rec) + 4) == EIHD_S_K_MINORID))
    {
    {
      if (vms_get_remaining_image_record (abfd, test_len) <= 0)
      if (vms_get_remaining_image_record (abfd, test_len) <= 0)
        return FT_UNKNOWN;
        return FT_UNKNOWN;
 
 
#if VMS_DEBUG
#if VMS_DEBUG
      vms_debug (2, "file type is image\n");
      vms_debug (2, "file type is image\n");
#endif
#endif
 
 
      return FT_IMAGE;
      return FT_IMAGE;
    }
    }
 
 
  /* Assume it's a module and adjust record pointer if necessary.  */
  /* Assume it's a module and adjust record pointer if necessary.  */
  maybe_adjust_record_pointer_for_object (abfd);
  maybe_adjust_record_pointer_for_object (abfd);
 
 
  /* But is it really a module?  */
  /* But is it really a module?  */
  if (bfd_getl16 (PRIV (vms_rec)) <= EOBJ_S_C_MAXRECTYP
  if (bfd_getl16 (PRIV (vms_rec)) <= EOBJ_S_C_MAXRECTYP
      && bfd_getl16 (PRIV (vms_rec) + 2) <= EOBJ_S_C_MAXRECSIZ)
      && bfd_getl16 (PRIV (vms_rec) + 2) <= EOBJ_S_C_MAXRECSIZ)
    {
    {
      if (vms_get_remaining_object_record (abfd, test_len) <= 0)
      if (vms_get_remaining_object_record (abfd, test_len) <= 0)
        return FT_UNKNOWN;
        return FT_UNKNOWN;
 
 
#if VMS_DEBUG
#if VMS_DEBUG
      vms_debug (2, "file type is module\n");
      vms_debug (2, "file type is module\n");
#endif
#endif
 
 
      return FT_MODULE;
      return FT_MODULE;
    }
    }
 
 
#if VMS_DEBUG
#if VMS_DEBUG
  vms_debug (2, "file type is unknown\n");
  vms_debug (2, "file type is unknown\n");
#endif
#endif
 
 
  return FT_UNKNOWN;
  return FT_UNKNOWN;
}
}
 
 
/* Implement step #1 of the object record reading procedure.
/* Implement step #1 of the object record reading procedure.
   Return the record type or -1 on failure.  */
   Return the record type or -1 on failure.  */
 
 
int
int
_bfd_vms_get_object_record (bfd *abfd)
_bfd_vms_get_object_record (bfd *abfd)
{
{
  unsigned int test_len;
  unsigned int test_len;
  int type;
  int type;
 
 
#if VMS_DEBUG
#if VMS_DEBUG
  vms_debug (8, "_bfd_vms_get_obj_record\n");
  vms_debug (8, "_bfd_vms_get_obj_record\n");
#endif
#endif
 
 
  if (PRIV (is_vax))
  if (PRIV (is_vax))
    test_len = 0;
    test_len = 0;
  else
  else
    {
    {
      int off = 0;
      int off = 0;
 
 
      /* See _bfd_vms_get_first_record.  */
      /* See _bfd_vms_get_first_record.  */
      test_len = 6;
      test_len = 6;
 
 
      /* Skip odd alignment byte.  */
      /* Skip odd alignment byte.  */
      if (bfd_tell (abfd) & 1)
      if (bfd_tell (abfd) & 1)
        {
        {
          if (bfd_bread (PRIV (vms_buf), 1, abfd) != 1)
          if (bfd_bread (PRIV (vms_buf), 1, abfd) != 1)
            {
            {
              bfd_set_error (bfd_error_file_truncated);
              bfd_set_error (bfd_error_file_truncated);
              return -1;
              return -1;
            }
            }
          /* Alignment byte may be present or not.  This is not easy to
          /* Alignment byte may be present or not.  This is not easy to
             detect but all object record types are not 0 (on Alpha VMS).
             detect but all object record types are not 0 (on Alpha VMS).
             We also hope that pad byte is 0.  */
             We also hope that pad byte is 0.  */
          if (PRIV (vms_buf)[0])
          if (PRIV (vms_buf)[0])
            off = 1;
            off = 1;
        }
        }
 
 
      /* Read the record header  */
      /* Read the record header  */
      if (bfd_bread (PRIV (vms_buf) + off, test_len - off, abfd)
      if (bfd_bread (PRIV (vms_buf) + off, test_len - off, abfd)
          != test_len - off)
          != test_len - off)
        {
        {
          bfd_set_error (bfd_error_file_truncated);
          bfd_set_error (bfd_error_file_truncated);
          return -1;
          return -1;
        }
        }
 
 
      /* Reset the record pointer.  */
      /* Reset the record pointer.  */
      PRIV (vms_rec) = PRIV (vms_buf);
      PRIV (vms_rec) = PRIV (vms_buf);
      maybe_adjust_record_pointer_for_object (abfd);
      maybe_adjust_record_pointer_for_object (abfd);
    }
    }
 
 
  if (vms_get_remaining_object_record (abfd, test_len) <= 0)
  if (vms_get_remaining_object_record (abfd, test_len) <= 0)
    return -1;
    return -1;
 
 
  if (PRIV (is_vax))
  if (PRIV (is_vax))
    type = PRIV (vms_rec) [0];
    type = PRIV (vms_rec) [0];
  else
  else
    type = bfd_getl16 (PRIV (vms_rec));
    type = bfd_getl16 (PRIV (vms_rec));
 
 
#if VMS_DEBUG
#if VMS_DEBUG
  vms_debug (8, "_bfd_vms_get_obj_record: rec %p, size %d, type %d\n",
  vms_debug (8, "_bfd_vms_get_obj_record: rec %p, size %d, type %d\n",
              PRIV (vms_rec), PRIV (rec_size), type);
              PRIV (vms_rec), PRIV (rec_size), type);
#endif
#endif
 
 
  return type;
  return type;
}
}
 
 
/* Implement step #2 of the object record reading procedure.
/* Implement step #2 of the object record reading procedure.
   Return the size of the record or 0 on failure.  */
   Return the size of the record or 0 on failure.  */
 
 
static int
static int
vms_get_remaining_object_record (bfd *abfd, int read_so_far)
vms_get_remaining_object_record (bfd *abfd, int read_so_far)
{
{
#if VMS_DEBUG
#if VMS_DEBUG
  vms_debug (8, "vms_get_remaining_obj_record\n");
  vms_debug (8, "vms_get_remaining_obj_record\n");
#endif
#endif
 
 
  if (PRIV (is_vax))
  if (PRIV (is_vax))
    {
    {
      if (read_so_far != 0)
      if (read_so_far != 0)
        abort ();
        abort ();
 
 
      PRIV (rec_size) = bfd_bread (PRIV (vms_buf), PRIV (buf_size), abfd);
      PRIV (rec_size) = bfd_bread (PRIV (vms_buf), PRIV (buf_size), abfd);
 
 
      if (PRIV (rec_size) <= 0)
      if (PRIV (rec_size) <= 0)
        {
        {
          bfd_set_error (bfd_error_file_truncated);
          bfd_set_error (bfd_error_file_truncated);
          return 0;
          return 0;
        }
        }
 
 
      /* Reset the record pointer.  */
      /* Reset the record pointer.  */
      PRIV (vms_rec) = PRIV (vms_buf);
      PRIV (vms_rec) = PRIV (vms_buf);
    }
    }
  else
  else
    {
    {
      unsigned int to_read;
      unsigned int to_read;
 
 
      /* Extract record size.  */
      /* Extract record size.  */
      PRIV (rec_size) = bfd_getl16 (PRIV (vms_rec) + 2);
      PRIV (rec_size) = bfd_getl16 (PRIV (vms_rec) + 2);
 
 
      if (PRIV (rec_size) <= 0)
      if (PRIV (rec_size) <= 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_size) > EOBJ_S_C_MAXRECSIZ)
      if (PRIV (rec_size) > EOBJ_S_C_MAXRECSIZ)
        {
        {
          bfd_set_error (bfd_error_file_truncated);
          bfd_set_error (bfd_error_file_truncated);
          return 0;
          return 0;
        }
        }
 
 
      /* Take into account object adjustment.  */
      /* Take into account object adjustment.  */
      to_read = PRIV (rec_size);
      to_read = PRIV (rec_size);
      if (PRIV (file_format) == FF_FOREIGN)
      if (PRIV (file_format) == FF_FOREIGN)
        to_read += VMS_OBJECT_ADJUSTMENT;
        to_read += VMS_OBJECT_ADJUSTMENT;
 
 
      /* Adjust the buffer.  */
      /* Adjust the buffer.  */
      if (to_read > PRIV (buf_size))
      if (to_read > PRIV (buf_size))
        {
        {
          PRIV (vms_buf)
          PRIV (vms_buf)
            = (unsigned char *) bfd_realloc (PRIV (vms_buf), to_read);
            = (unsigned char *) bfd_realloc (PRIV (vms_buf), to_read);
          if (PRIV (vms_buf) == NULL)
          if (PRIV (vms_buf) == NULL)
            return 0;
            return 0;
          PRIV (buf_size) = to_read;
          PRIV (buf_size) = to_read;
        }
        }
 
 
      /* Read the remaining record.  */
      /* Read the remaining record.  */
      to_read -= read_so_far;
      to_read -= read_so_far;
 
 
#if VMS_DEBUG
#if VMS_DEBUG
      vms_debug (8, "vms_get_remaining_obj_record: to_read %d\n", to_read);
      vms_debug (8, "vms_get_remaining_obj_record: to_read %d\n", to_read);
#endif
#endif
 
 
      if (bfd_bread (PRIV (vms_buf) + read_so_far, to_read, abfd) != to_read)
      if (bfd_bread (PRIV (vms_buf) + read_so_far, to_read, abfd) != to_read)
        {
        {
          bfd_set_error (bfd_error_file_truncated);
          bfd_set_error (bfd_error_file_truncated);
          return 0;
          return 0;
        }
        }
 
 
      /* Reset the record pointer.  */
      /* Reset the record pointer.  */
      PRIV (vms_rec) = PRIV (vms_buf);
      PRIV (vms_rec) = PRIV (vms_buf);
      maybe_adjust_record_pointer_for_object (abfd);
      maybe_adjust_record_pointer_for_object (abfd);
    }
    }
 
 
#if VMS_DEBUG
#if VMS_DEBUG
  vms_debug (8, "vms_get_remaining_obj_record: size %d\n", PRIV (rec_size));
  vms_debug (8, "vms_get_remaining_obj_record: size %d\n", PRIV (rec_size));
#endif
#endif
 
 
  return PRIV (rec_size);
  return PRIV (rec_size);
}
}
 
 
/* Implement step #2 of the record reading procedure for images.
/* Implement step #2 of the record reading procedure for images.
   Return the size of the record or 0 on failure.  */
   Return the size of the record or 0 on failure.  */
 
 
static int
static int
vms_get_remaining_image_record (bfd *abfd, int read_so_far)
vms_get_remaining_image_record (bfd *abfd, int read_so_far)
{
{
  unsigned int to_read;
  unsigned int to_read;
  int remaining;
  int remaining;
 
 
  /* Extract record size.  */
  /* Extract record size.  */
  PRIV (rec_size) = bfd_getl32 (PRIV (vms_rec) + EIHD_S_L_SIZE);
  PRIV (rec_size) = bfd_getl32 (PRIV (vms_rec) + EIHD_S_L_SIZE);
 
 
  if (PRIV (rec_size) > PRIV (buf_size))
  if (PRIV (rec_size) > PRIV (buf_size))
    {
    {
      PRIV (vms_buf) = bfd_realloc (PRIV (vms_buf), PRIV (rec_size));
      PRIV (vms_buf) = bfd_realloc (PRIV (vms_buf), PRIV (rec_size));
 
 
      if (PRIV (vms_buf) == NULL)
      if (PRIV (vms_buf) == NULL)
        {
        {
          bfd_set_error (bfd_error_no_memory);
          bfd_set_error (bfd_error_no_memory);
          return 0;
          return 0;
        }
        }
 
 
      PRIV (buf_size) = PRIV (rec_size);
      PRIV (buf_size) = PRIV (rec_size);
    }
    }
 
 
  /* Read the remaining record.  */
  /* Read the remaining record.  */
  remaining = PRIV (rec_size) - read_so_far;
  remaining = PRIV (rec_size) - read_so_far;
  to_read = MIN (VMS_BLOCK_SIZE - read_so_far, remaining);
  to_read = MIN (VMS_BLOCK_SIZE - read_so_far, remaining);
 
 
  while (remaining > 0)
  while (remaining > 0)
    {
    {
      if (bfd_bread (PRIV (vms_buf) + read_so_far, to_read, abfd) != to_read)
      if (bfd_bread (PRIV (vms_buf) + read_so_far, to_read, abfd) != to_read)
        {
        {
          bfd_set_error (bfd_error_file_truncated);
          bfd_set_error (bfd_error_file_truncated);
          return 0;
          return 0;
        }
        }
 
 
      read_so_far += to_read;
      read_so_far += to_read;
      remaining -= to_read;
      remaining -= to_read;
 
 
      /* Eat trailing 0xff's.  */
      /* Eat trailing 0xff's.  */
      if (remaining > 0)
      if (remaining > 0)
        while (PRIV (vms_buf) [read_so_far - 1] == 0xff)
        while (PRIV (vms_buf) [read_so_far - 1] == 0xff)
          read_so_far--;
          read_so_far--;
 
 
      to_read = MIN (VMS_BLOCK_SIZE, remaining);
      to_read = MIN (VMS_BLOCK_SIZE, remaining);
    }
    }
 
 
  /* Reset the record pointer.  */
  /* Reset the record pointer.  */
  PRIV (vms_rec) = PRIV (vms_buf);
  PRIV (vms_rec) = PRIV (vms_buf);
 
 
  return PRIV (rec_size);
  return PRIV (rec_size);
}
}
 
 
/* Copy sized string (string with fixed size) to new allocated area
/* Copy sized string (string with fixed size) to new allocated area
   size is string size (size of record)  */
   size is string size (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 size at first byte) to new allocated area
/* Copy counted string (string with size at first byte) to new allocated area
   ptr points to size byte on entry  */
   ptr points to size 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 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)
    {
    {
      /* File is open in undefined (UDF) format on VMS, but ultimately will be
      /* File is open in undefined (UDF) format on VMS, but ultimately will be
         converted to variable length (VAR) format.  VAR format has a length
         converted to variable length (VAR) format.  VAR format has a length
         word first which must be explicitly output in UDF format.  */
         word first which must be explicitly output in UDF format.  */
      bfd_bwrite (PRIV (output_buf) + 2, 2, abfd);
      bfd_bwrite (PRIV (output_buf) + 2, 2, abfd);
      bfd_bwrite (PRIV (output_buf), (size_t) real_size, abfd);
      bfd_bwrite (PRIV (output_buf), (size_t) real_size, abfd);
      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)
{
{
  unsigned long result;
  unsigned long 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 = (asection *)(unsigned long)-1;
  symbol->section = (asection *)(unsigned long)-1;
 
 
  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;
}
}
 
 

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.