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[deliverable/binutils-gdb.git] / bfd / libbfd.c

diff --git a/bfd/libbfd.c b/bfd/libbfd.c
index 9c38bcd7b43a1534d3b426cd225345cb2e4a7faf..6676dffb045add73bf892d94ac34343bfd9488db 100644 (file)
--- a/bfd/libbfd.c
+++ b/bfd/libbfd.c
@@ -1,14 +1,12 @@
 /* Assorted BFD support routines, only used internally.
 /* Assorted BFD support routines, only used internally.

-   Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
-   2000, 2001, 2002, 2003, 2004, 2005
-   Free Software Foundation, Inc.
+   Copyright (C) 1990-2014 Free Software Foundation, Inc.

    Written by Cygnus Support.
 
    This file is part of BFD, the Binary File Descriptor library.
 
    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
    Written by Cygnus Support.
 
    This file is part of BFD, the Binary File Descriptor library.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by

-   the Free Software Foundation; either version 2 of the License, or
+   the Free Software Foundation; either version 3 of the License, or

    (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,
    (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,


@@ -18,10 +16,11 @@
 
    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
 
    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software

-   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02110-1301, USA.  */
+   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+   MA 02110-1301, USA.  */

 
 

-#include "bfd.h"

 #include "sysdep.h"
 #include "sysdep.h"

+#include "bfd.h"

 #include "libbfd.h"
 
 #ifndef HAVE_GETPAGESIZE
 #include "libbfd.h"
 
 #ifndef HAVE_GETPAGESIZE


@@ -30,6 +29,9 @@
 
 /*
 SECTION
 
 /*
 SECTION

+       Implementation details
+
+SUBSECTION

        Internal functions
 
 DESCRIPTION
        Internal functions
 
 DESCRIPTION


@@ -100,6 +102,23 @@ bfd_void (bfd *ignore ATTRIBUTE_UNUSED)
 {
 }
 
 {
 }
 

+long
+_bfd_norelocs_get_reloc_upper_bound (bfd *abfd ATTRIBUTE_UNUSED,
+                                    asection *sec ATTRIBUTE_UNUSED)
+{
+  return sizeof (arelent *);
+}
+
+long
+_bfd_norelocs_canonicalize_reloc (bfd *abfd ATTRIBUTE_UNUSED,
+                                 asection *sec ATTRIBUTE_UNUSED,
+                                 arelent **relptr,
+                                 asymbol **symbols ATTRIBUTE_UNUSED)
+{
+  *relptr = NULL;
+  return 0;
+}
+

 bfd_boolean
 _bfd_nocore_core_file_matches_executable_p
   (bfd *ignore_core_bfd ATTRIBUTE_UNUSED,
 bfd_boolean
 _bfd_nocore_core_file_matches_executable_p
   (bfd *ignore_core_bfd ATTRIBUTE_UNUSED,


@@ -129,6 +148,16 @@ _bfd_nocore_core_file_failing_signal (bfd *ignore_abfd ATTRIBUTE_UNUSED)
   return 0;
 }
 
   return 0;
 }
 

+/* Routine to handle the core_file_pid entry point for targets without
+   core file support.  */
+
+int
+_bfd_nocore_core_file_pid (bfd *ignore_abfd ATTRIBUTE_UNUSED)
+{
+  bfd_set_error (bfd_error_invalid_operation);
+  return 0;
+}
+

 const bfd_target *
 _bfd_dummy_target (bfd *ignore_abfd ATTRIBUTE_UNUSED)
 {
 const bfd_target *
 _bfd_dummy_target (bfd *ignore_abfd ATTRIBUTE_UNUSED)
 {


@@ -156,6 +185,36 @@ bfd_malloc (bfd_size_type size)
   return ptr;
 }
 
   return ptr;
 }
 

+/* Allocate memory using malloc, nmemb * size with overflow checking.  */
+
+void *
+bfd_malloc2 (bfd_size_type nmemb, bfd_size_type size)
+{
+  void *ptr;
+
+  if ((nmemb | size) >= HALF_BFD_SIZE_TYPE
+      && size != 0
+      && nmemb > ~(bfd_size_type) 0 / size)
+    {
+      bfd_set_error (bfd_error_no_memory);
+      return NULL;
+    }
+
+  size *= nmemb;
+
+  if (size != (size_t) size)
+    {
+      bfd_set_error (bfd_error_no_memory);
+      return NULL;
+    }
+
+  ptr = malloc ((size_t) size);
+  if (ptr == NULL && (size_t) size != 0)
+    bfd_set_error (bfd_error_no_memory);
+
+  return ptr;
+}
+

 /* Reallocate memory using realloc.  */
 
 void *
 /* Reallocate memory using realloc.  */
 
 void *


@@ -180,6 +239,68 @@ bfd_realloc (void *ptr, bfd_size_type size)
   return ret;
 }
 
   return ret;
 }
 

+/* Reallocate memory using realloc, nmemb * size with overflow checking.  */
+
+void *
+bfd_realloc2 (void *ptr, bfd_size_type nmemb, bfd_size_type size)
+{
+  void *ret;
+
+  if ((nmemb | size) >= HALF_BFD_SIZE_TYPE
+      && size != 0
+      && nmemb > ~(bfd_size_type) 0 / size)
+    {
+      bfd_set_error (bfd_error_no_memory);
+      return NULL;
+    }
+
+  size *= nmemb;
+
+  if (size != (size_t) size)
+    {
+      bfd_set_error (bfd_error_no_memory);
+      return NULL;
+    }
+
+  if (ptr == NULL)
+    ret = malloc ((size_t) size);
+  else
+    ret = realloc (ptr, (size_t) size);
+
+  if (ret == NULL && (size_t) size != 0)
+    bfd_set_error (bfd_error_no_memory);
+
+  return ret;
+}
+
+/* Reallocate memory using realloc.
+   If this fails the pointer is freed before returning.  */
+
+void *
+bfd_realloc_or_free (void *ptr, bfd_size_type size)
+{
+  size_t amount = (size_t) size;
+  void *ret;
+
+  if (size != amount)
+    ret = NULL;
+  else if (ptr == NULL)
+    ret = malloc (amount);
+  else
+    ret = realloc (ptr, amount);
+
+  if (ret == NULL)
+    {
+      if (amount > 0)
+       bfd_set_error (bfd_error_no_memory);
+
+      if (ptr != NULL)
+       free (ptr);
+    }
+
+  return ret;
+}
+

 /* Allocate memory using malloc and clear it.  */
 
 void *
 /* Allocate memory using malloc and clear it.  */
 
 void *


@@ -205,6 +326,44 @@ bfd_zmalloc (bfd_size_type size)
 
   return ptr;
 }
 
   return ptr;
 }

+
+/* Allocate memory using malloc (nmemb * size) with overflow checking
+   and clear it.  */
+
+void *
+bfd_zmalloc2 (bfd_size_type nmemb, bfd_size_type size)
+{
+  void *ptr;
+
+  if ((nmemb | size) >= HALF_BFD_SIZE_TYPE
+      && size != 0
+      && nmemb > ~(bfd_size_type) 0 / size)
+    {
+      bfd_set_error (bfd_error_no_memory);
+      return NULL;
+    }
+
+  size *= nmemb;
+
+  if (size != (size_t) size)
+    {
+      bfd_set_error (bfd_error_no_memory);
+      return NULL;
+    }
+
+  ptr = malloc ((size_t) size);
+
+  if ((size_t) size != 0)
+    {
+      if (ptr == NULL)
+       bfd_set_error (bfd_error_no_memory);
+      else
+       memset (ptr, 0, (size_t) size);
+    }
+
+  return ptr;
+}
+

 /*
 INTERNAL_FUNCTION
        bfd_write_bigendian_4byte_int
 /*
 INTERNAL_FUNCTION
        bfd_write_bigendian_4byte_int


@@ -270,9 +429,9 @@ DESCRIPTION
 .#define bfd_put_signed_8 \
 .  bfd_put_8
 .#define bfd_get_8(abfd, ptr) \
 .#define bfd_put_signed_8 \
 .  bfd_put_8
 .#define bfd_get_8(abfd, ptr) \

-.  (*(unsigned char *) (ptr) & 0xff)
+.  (*(const unsigned char *) (ptr) & 0xff)

 .#define bfd_get_signed_8(abfd, ptr) \
 .#define bfd_get_signed_8(abfd, ptr) \

-.  (((*(unsigned char *) (ptr) & 0xff) ^ 0x80) - 0x80)
+.  (((*(const unsigned char *) (ptr) & 0xff) ^ 0x80) - 0x80)

 .
 .#define bfd_put_16(abfd, val, ptr) \
 .  BFD_SEND (abfd, bfd_putx16, ((val),(ptr)))
 .
 .#define bfd_put_16(abfd, val, ptr) \
 .  BFD_SEND (abfd, bfd_putx16, ((val),(ptr)))


@@ -398,35 +557,35 @@ DESCRIPTION
 bfd_vma
 bfd_getb16 (const void *p)
 {
 bfd_vma
 bfd_getb16 (const void *p)
 {

-  const bfd_byte *addr = p;
+  const bfd_byte *addr = (const bfd_byte *) p;

   return (addr[0] << 8) | addr[1];
 }
 
 bfd_vma
 bfd_getl16 (const void *p)
 {
   return (addr[0] << 8) | addr[1];
 }
 
 bfd_vma
 bfd_getl16 (const void *p)
 {

-  const bfd_byte *addr = p;
+  const bfd_byte *addr = (const bfd_byte *) p;

   return (addr[1] << 8) | addr[0];
 }
 
 bfd_signed_vma
 bfd_getb_signed_16 (const void *p)
 {
   return (addr[1] << 8) | addr[0];
 }
 
 bfd_signed_vma
 bfd_getb_signed_16 (const void *p)
 {

-  const bfd_byte *addr = p;
+  const bfd_byte *addr = (const bfd_byte *) p;

   return COERCE16 ((addr[0] << 8) | addr[1]);
 }
 
 bfd_signed_vma
 bfd_getl_signed_16 (const void *p)
 {
   return COERCE16 ((addr[0] << 8) | addr[1]);
 }
 
 bfd_signed_vma
 bfd_getl_signed_16 (const void *p)
 {

-  const bfd_byte *addr = p;
+  const bfd_byte *addr = (const bfd_byte *) p;

   return COERCE16 ((addr[1] << 8) | addr[0]);
 }
 
 void
 bfd_putb16 (bfd_vma data, void *p)
 {
   return COERCE16 ((addr[1] << 8) | addr[0]);
 }
 
 void
 bfd_putb16 (bfd_vma data, void *p)
 {

-  bfd_byte *addr = p;
+  bfd_byte *addr = (bfd_byte *) p;

   addr[0] = (data >> 8) & 0xff;
   addr[1] = data & 0xff;
 }
   addr[0] = (data >> 8) & 0xff;
   addr[1] = data & 0xff;
 }


@@ -434,7 +593,7 @@ bfd_putb16 (bfd_vma data, void *p)
 void
 bfd_putl16 (bfd_vma data, void *p)
 {
 void
 bfd_putl16 (bfd_vma data, void *p)
 {

-  bfd_byte *addr = p;
+  bfd_byte *addr = (bfd_byte *) p;

   addr[0] = data & 0xff;
   addr[1] = (data >> 8) & 0xff;
 }
   addr[0] = data & 0xff;
   addr[1] = (data >> 8) & 0xff;
 }


@@ -442,7 +601,7 @@ bfd_putl16 (bfd_vma data, void *p)
 bfd_vma
 bfd_getb32 (const void *p)
 {
 bfd_vma
 bfd_getb32 (const void *p)
 {

-  const bfd_byte *addr = p;
+  const bfd_byte *addr = (const bfd_byte *) p;

   unsigned long v;
 
   v = (unsigned long) addr[0] << 24;
   unsigned long v;
 
   v = (unsigned long) addr[0] << 24;


@@ -455,7 +614,7 @@ bfd_getb32 (const void *p)
 bfd_vma
 bfd_getl32 (const void *p)
 {
 bfd_vma
 bfd_getl32 (const void *p)
 {

-  const bfd_byte *addr = p;
+  const bfd_byte *addr = (const bfd_byte *) p;

   unsigned long v;
 
   v = (unsigned long) addr[0];
   unsigned long v;
 
   v = (unsigned long) addr[0];


@@ -468,7 +627,7 @@ bfd_getl32 (const void *p)
 bfd_signed_vma
 bfd_getb_signed_32 (const void *p)
 {
 bfd_signed_vma
 bfd_getb_signed_32 (const void *p)
 {

-  const bfd_byte *addr = p;
+  const bfd_byte *addr = (const bfd_byte *) p;

   unsigned long v;
 
   v = (unsigned long) addr[0] << 24;
   unsigned long v;
 
   v = (unsigned long) addr[0] << 24;


@@ -481,7 +640,7 @@ bfd_getb_signed_32 (const void *p)
 bfd_signed_vma
 bfd_getl_signed_32 (const void *p)
 {
 bfd_signed_vma
 bfd_getl_signed_32 (const void *p)
 {

-  const bfd_byte *addr = p;
+  const bfd_byte *addr = (const bfd_byte *) p;

   unsigned long v;
 
   v = (unsigned long) addr[0];
   unsigned long v;
 
   v = (unsigned long) addr[0];


@@ -495,7 +654,7 @@ bfd_uint64_t
 bfd_getb64 (const void *p ATTRIBUTE_UNUSED)
 {
 #ifdef BFD_HOST_64_BIT
 bfd_getb64 (const void *p ATTRIBUTE_UNUSED)
 {
 #ifdef BFD_HOST_64_BIT

-  const bfd_byte *addr = p;
+  const bfd_byte *addr = (const bfd_byte *) p;

   bfd_uint64_t v;
 
   v  = addr[0]; v <<= 8;
   bfd_uint64_t v;
 
   v  = addr[0]; v <<= 8;


@@ -518,7 +677,7 @@ bfd_uint64_t
 bfd_getl64 (const void *p ATTRIBUTE_UNUSED)
 {
 #ifdef BFD_HOST_64_BIT
 bfd_getl64 (const void *p ATTRIBUTE_UNUSED)
 {
 #ifdef BFD_HOST_64_BIT

-  const bfd_byte *addr = p;
+  const bfd_byte *addr = (const bfd_byte *) p;

   bfd_uint64_t v;
 
   v  = addr[7]; v <<= 8;
   bfd_uint64_t v;
 
   v  = addr[7]; v <<= 8;


@@ -542,7 +701,7 @@ bfd_int64_t
 bfd_getb_signed_64 (const void *p ATTRIBUTE_UNUSED)
 {
 #ifdef BFD_HOST_64_BIT
 bfd_getb_signed_64 (const void *p ATTRIBUTE_UNUSED)
 {
 #ifdef BFD_HOST_64_BIT

-  const bfd_byte *addr = p;
+  const bfd_byte *addr = (const bfd_byte *) p;

   bfd_uint64_t v;
 
   v  = addr[0]; v <<= 8;
   bfd_uint64_t v;
 
   v  = addr[0]; v <<= 8;


@@ -565,7 +724,7 @@ bfd_int64_t
 bfd_getl_signed_64 (const void *p ATTRIBUTE_UNUSED)
 {
 #ifdef BFD_HOST_64_BIT
 bfd_getl_signed_64 (const void *p ATTRIBUTE_UNUSED)
 {
 #ifdef BFD_HOST_64_BIT

-  const bfd_byte *addr = p;
+  const bfd_byte *addr = (const bfd_byte *) p;

   bfd_uint64_t v;
 
   v  = addr[7]; v <<= 8;
   bfd_uint64_t v;
 
   v  = addr[7]; v <<= 8;


@@ -587,7 +746,7 @@ bfd_getl_signed_64 (const void *p ATTRIBUTE_UNUSED)
 void
 bfd_putb32 (bfd_vma data, void *p)
 {
 void
 bfd_putb32 (bfd_vma data, void *p)
 {

-  bfd_byte *addr = p;
+  bfd_byte *addr = (bfd_byte *) p;

   addr[0] = (data >> 24) & 0xff;
   addr[1] = (data >> 16) & 0xff;
   addr[2] = (data >>  8) & 0xff;
   addr[0] = (data >> 24) & 0xff;
   addr[1] = (data >> 16) & 0xff;
   addr[2] = (data >>  8) & 0xff;


@@ -597,7 +756,7 @@ bfd_putb32 (bfd_vma data, void *p)
 void
 bfd_putl32 (bfd_vma data, void *p)
 {
 void
 bfd_putl32 (bfd_vma data, void *p)
 {

-  bfd_byte *addr = p;
+  bfd_byte *addr = (bfd_byte *) p;

   addr[0] = data & 0xff;
   addr[1] = (data >>  8) & 0xff;
   addr[2] = (data >> 16) & 0xff;
   addr[0] = data & 0xff;
   addr[1] = (data >>  8) & 0xff;
   addr[2] = (data >> 16) & 0xff;


@@ -608,7 +767,7 @@ void
 bfd_putb64 (bfd_uint64_t data ATTRIBUTE_UNUSED, void *p ATTRIBUTE_UNUSED)
 {
 #ifdef BFD_HOST_64_BIT
 bfd_putb64 (bfd_uint64_t data ATTRIBUTE_UNUSED, void *p ATTRIBUTE_UNUSED)
 {
 #ifdef BFD_HOST_64_BIT

-  bfd_byte *addr = p;
+  bfd_byte *addr = (bfd_byte *) p;

   addr[0] = (data >> (7*8)) & 0xff;
   addr[1] = (data >> (6*8)) & 0xff;
   addr[2] = (data >> (5*8)) & 0xff;
   addr[0] = (data >> (7*8)) & 0xff;
   addr[1] = (data >> (6*8)) & 0xff;
   addr[2] = (data >> (5*8)) & 0xff;


@@ -626,7 +785,7 @@ void
 bfd_putl64 (bfd_uint64_t data ATTRIBUTE_UNUSED, void *p ATTRIBUTE_UNUSED)
 {
 #ifdef BFD_HOST_64_BIT
 bfd_putl64 (bfd_uint64_t data ATTRIBUTE_UNUSED, void *p ATTRIBUTE_UNUSED)
 {
 #ifdef BFD_HOST_64_BIT

-  bfd_byte *addr = p;
+  bfd_byte *addr = (bfd_byte *) p;

   addr[7] = (data >> (7*8)) & 0xff;
   addr[6] = (data >> (6*8)) & 0xff;
   addr[5] = (data >> (5*8)) & 0xff;
   addr[7] = (data >> (7*8)) & 0xff;
   addr[6] = (data >> (6*8)) & 0xff;
   addr[5] = (data >> (5*8)) & 0xff;


@@ -643,7 +802,7 @@ bfd_putl64 (bfd_uint64_t data ATTRIBUTE_UNUSED, void *p ATTRIBUTE_UNUSED)
 void
 bfd_put_bits (bfd_uint64_t data, void *p, int bits, bfd_boolean big_p)
 {
 void
 bfd_put_bits (bfd_uint64_t data, void *p, int bits, bfd_boolean big_p)
 {

-  bfd_byte *addr = p;
+  bfd_byte *addr = (bfd_byte *) p;

   int i;
   int bytes;
 
   int i;
   int bytes;
 


@@ -653,9 +812,9 @@ bfd_put_bits (bfd_uint64_t data, void *p, int bits, bfd_boolean big_p)
   bytes = bits / 8;
   for (i = 0; i < bytes; i++)
     {
   bytes = bits / 8;
   for (i = 0; i < bytes; i++)
     {

-      int index = big_p ? bytes - i - 1 : i;
+      int addr_index = big_p ? bytes - i - 1 : i;

 
 

-      addr[index] = data & 0xff;
+      addr[addr_index] = data & 0xff;

       data >>= 8;
     }
 }
       data >>= 8;
     }
 }


@@ -663,7 +822,7 @@ bfd_put_bits (bfd_uint64_t data, void *p, int bits, bfd_boolean big_p)
 bfd_uint64_t
 bfd_get_bits (const void *p, int bits, bfd_boolean big_p)
 {
 bfd_uint64_t
 bfd_get_bits (const void *p, int bits, bfd_boolean big_p)
 {

-  const bfd_byte *addr = p;
+  const bfd_byte *addr = (const bfd_byte *) p;

   bfd_uint64_t data;
   int i;
   int bytes;
   bfd_uint64_t data;
   int i;
   int bytes;


@@ -675,9 +834,9 @@ bfd_get_bits (const void *p, int bits, bfd_boolean big_p)
   bytes = bits / 8;
   for (i = 0; i < bytes; i++)
     {
   bytes = bits / 8;
   for (i = 0; i < bytes; i++)
     {

-      int index = big_p ? i : bytes - i - 1;
+      int addr_index = big_p ? i : bytes - i - 1;

 
 

-      data = (data << 8) | addr[index];
+      data = (data << 8) | addr[addr_index];

     }
 
   return data;
     }
 
   return data;


@@ -696,8 +855,26 @@ _bfd_generic_get_section_contents (bfd *abfd,
   if (count == 0)
     return TRUE;
 
   if (count == 0)
     return TRUE;
 

-  sz = section->rawsize ? section->rawsize : section->size;
-  if (offset + count > sz)
+  if (section->compress_status != COMPRESS_SECTION_NONE)
+    {
+      (*_bfd_error_handler)
+       (_("%B: unable to get decompressed section %A"),
+        abfd, section);
+      bfd_set_error (bfd_error_invalid_operation);
+      return FALSE;
+    }
+
+  /* We do allow reading of a section after bfd_final_link has
+     written the contents out to disk.  In that situation, rawsize is
+     just a stale version of size, so ignore it.  Otherwise we must be
+     reading an input section, where rawsize, if different to size,
+     is the on-disk size.  */
+  if (abfd->direction != write_direction && section->rawsize != 0)
+    sz = section->rawsize;
+  else
+    sz = section->size;
+  if (offset + count < count
+      || offset + count > sz)

     {
       bfd_set_error (bfd_error_invalid_operation);
       return FALSE;
     {
       bfd_set_error (bfd_error_invalid_operation);
       return FALSE;


@@ -748,7 +925,10 @@ _bfd_generic_get_section_contents_in_window
       w->data = w->i->data;
       return bfd_get_section_contents (abfd, section, w->data, offset, count);
     }
       w->data = w->i->data;
       return bfd_get_section_contents (abfd, section, w->data, offset, count);
     }

-  sz = section->rawsize ? section->rawsize : section->size;
+  if (abfd->direction != write_direction && section->rawsize != 0)
+    sz = section->rawsize;
+  else
+    sz = section->size;

   if (offset + count > sz
       || ! bfd_get_file_window (abfd, section->filepos + offset, count, w,
                                TRUE))
   if (offset + count > sz
       || ! bfd_get_file_window (abfd, section->filepos + offset, count, w,
                                TRUE))


@@ -797,8 +977,12 @@ bfd_log2 (bfd_vma x)
 {
   unsigned int result = 0;
 
 {
   unsigned int result = 0;
 

-  while ((x = (x >> 1)) != 0)
+  if (x <= 1)
+    return result;
+  --x;
+  do

     ++result;
     ++result;

+  while ((x >>= 1) != 0);

   return result;
 }
 
   return result;
 }
 


@@ -850,6 +1034,7 @@ warn_deprecated (const char *what,
 
   if (~(size_t) func & ~mask)
     {
 
   if (~(size_t) func & ~mask)
     {

+      fflush (stdout);

       /* Note: separate sentences in order to allow
         for translation into other languages.  */
       if (func)
       /* Note: separate sentences in order to allow
         for translation into other languages.  */
       if (func)


@@ -857,6 +1042,7 @@ warn_deprecated (const char *what,
                 what, file, line, func);
       else
        fprintf (stderr, _("Deprecated %s called\n"), what);
                 what, file, line, func);
       else
        fprintf (stderr, _("Deprecated %s called\n"), what);

+      fflush (stderr);

       mask |= ~(size_t) func;
     }
 }
       mask |= ~(size_t) func;
     }
 }


@@ -918,3 +1104,36 @@ read_signed_leb128 (bfd *abfd ATTRIBUTE_UNUSED,
   *bytes_read_ptr = num_read;
   return result;
 }
   *bytes_read_ptr = num_read;
   return result;
 }

+
+bfd_boolean
+_bfd_generic_find_line (bfd *abfd ATTRIBUTE_UNUSED,
+                      asymbol **symbols ATTRIBUTE_UNUSED,
+                      asymbol *symbol ATTRIBUTE_UNUSED,
+                      const char **filename_ptr ATTRIBUTE_UNUSED,
+                      unsigned int *linenumber_ptr ATTRIBUTE_UNUSED)
+{
+  return FALSE;
+}
+
+bfd_boolean
+_bfd_generic_find_nearest_line_discriminator (bfd *abfd ATTRIBUTE_UNUSED,
+                                              asection *section ATTRIBUTE_UNUSED,
+                                              asymbol **symbols ATTRIBUTE_UNUSED,
+                                              bfd_vma offset ATTRIBUTE_UNUSED,
+                                              const char **filename_ptr ATTRIBUTE_UNUSED,
+                                              const char **functionname_ptr ATTRIBUTE_UNUSED,
+                                              unsigned int *line_ptr ATTRIBUTE_UNUSED,
+                                              unsigned int *discriminator_ptr ATTRIBUTE_UNUSED)
+{
+  return FALSE;
+}
+
+bfd_boolean
+_bfd_generic_init_private_section_data (bfd *ibfd ATTRIBUTE_UNUSED,
+                                       asection *isec ATTRIBUTE_UNUSED,
+                                       bfd *obfd ATTRIBUTE_UNUSED,
+                                       asection *osec ATTRIBUTE_UNUSED,
+                                       struct bfd_link_info *link_info ATTRIBUTE_UNUSED)
+{
+  return TRUE;
+}