Set this field for HPUX IA64 port.
Test this field when setting p_paddr.
+2002-07-23 Nick Clifton <nickc@redhat.com>
+
+ * elf-bfd.h (struct elf_backend_data): Add new bitfield
+ 'want_p_paddr_set_to_zero'.
+ * elfxx-target.h: Set default value for want_p_paddr_set_to_zero
+ to false;
+ * elfxx-ia64.c: Set want_p_paddr_set_zero for HPUX target.
+ * elf.c (copy_private_bfd_data): Test want_p_paddr_set_zero.
+
2002-07-23 Gabor Keresztfalvi <keresztg@mail.com>
* nlmcode.h (nlm_swap_auxiliary_headers_out): Swapped the order of
2002 Free Software Foundation, Inc.
Written by Cygnus Support.
-This file is part of BFD, the Binary File Descriptor library.
+ 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
-(at your option) any later version.
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#ifndef _LIBELF_H_
#define _LIBELF_H_ 1
unsigned can_refcount : 1;
unsigned want_got_sym : 1;
unsigned want_dynbss : 1;
+ /* Targets which do not support physical addressing often require
+ that the p_paddr field in the section header to be set to zero.
+ This field indicates whether this behavior is required. */
+ unsigned want_p_paddr_set_to_zero : 1;
};
/* Information stored for each BFD section in an ELF file. This
Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002
Free Software Foundation, Inc.
-This file is part of BFD, the Binary File Descriptor library.
+ 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
-(at your option) any later version.
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
/* SECTION
/* The Solaris native linker always sets p_paddr to 0.
We try to catch that case here, and set it to the
- correct value. */
+ correct value. Note - some backends require that
+ p_paddr be left as zero. */
if (segment->p_paddr == 0
- && segment->p_vaddr != 0
+ && (! bed->want_p_paddr_set_to_zero)
&& isec == 0
&& output_section->lma != 0
&& (output_section->vma == (segment->p_vaddr
LMA address of the output section. */
if (IS_CONTAINED_BY_LMA (output_section, segment, map->p_paddr)
|| IS_CONTAINED_BY_FILEPOS (section, segment, bed)
- || IS_COREFILE_NOTE (segment, section))
+ || IS_COREFILE_NOTE (segment, section)
+ || (bed->want_p_paddr_set_to_zero &&
+ IS_CONTAINED_BY_VMA (output_section, segment))
+ )
{
if (matching_lma == 0)
matching_lma = output_section->lma;
Copyright 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
Contributed by David Mosberger-Tang <davidm@hpl.hp.com>
-This file is part of BFD, the Binary File Descriptor library.
+ 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
-(at your option) any later version.
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#include "bfd.h"
#include "sysdep.h"
#include "opcode/ia64.h"
#include "elf/ia64.h"
-/*
- * THE RULES for all the stuff the linker creates --
- *
- * GOT Entries created in response to LTOFF or LTOFF_FPTR
- * relocations. Dynamic relocs created for dynamic
- * symbols in an application; REL relocs for locals
- * in a shared library.
- *
- * FPTR The canonical function descriptor. Created for local
- * symbols in applications. Descriptors for dynamic symbols
- * and local symbols in shared libraries are created by
- * ld.so. Thus there are no dynamic relocs against these
- * objects. The FPTR relocs for such _are_ passed through
- * to the dynamic relocation tables.
- *
- * FULL_PLT Created for a PCREL21B relocation against a dynamic symbol.
- * Requires the creation of a PLTOFF entry. This does not
- * require any dynamic relocations.
- *
- * PLTOFF Created by PLTOFF relocations. For local symbols, this
- * is an alternate function descriptor, and in shared libraries
- * requires two REL relocations. Note that this cannot be
- * transformed into an FPTR relocation, since it must be in
- * range of the GP. For dynamic symbols, this is a function
- * descriptor for a MIN_PLT entry, and requires one IPLT reloc.
- *
- * MIN_PLT Created by PLTOFF entries against dynamic symbols. This
- * does not reqire dynamic relocations.
- */
+/* THE RULES for all the stuff the linker creates --
+
+ GOT Entries created in response to LTOFF or LTOFF_FPTR
+ relocations. Dynamic relocs created for dynamic
+ symbols in an application; REL relocs for locals
+ in a shared library.
+
+ FPTR The canonical function descriptor. Created for local
+ symbols in applications. Descriptors for dynamic symbols
+ and local symbols in shared libraries are created by
+ ld.so. Thus there are no dynamic relocs against these
+ objects. The FPTR relocs for such _are_ passed through
+ to the dynamic relocation tables.
+
+ FULL_PLT Created for a PCREL21B relocation against a dynamic symbol.
+ Requires the creation of a PLTOFF entry. This does not
+ require any dynamic relocations.
+
+ PLTOFF Created by PLTOFF relocations. For local symbols, this
+ is an alternate function descriptor, and in shared libraries
+ requires two REL relocations. Note that this cannot be
+ transformed into an FPTR relocation, since it must be in
+ range of the GP. For dynamic symbols, this is a function
+ descriptor for a MIN_PLT entry, and requires one IPLT reloc.
+
+ MIN_PLT Created by PLTOFF entries against dynamic symbols. This
+ does not reqire dynamic relocations. */
#define USE_RELA /* we want RELA relocs, not REL */
struct elfNN_ia64_link_hash_table
{
- /* The main hash table */
+ /* The main hash table. */
struct elf_link_hash_table root;
asection *got_sec; /* the linkage table section (or NULL) */
boolean elfNN_hpux_backend_section_from_bfd_section
PARAMS ((bfd *abfd, asection *sec, int *retval));
\f
-/* ia64-specific relocation */
+/* ia64-specific relocation. */
/* Perform a relocation. Not much to do here as all the hard work is
done in elfNN_ia64_final_link_relocate. */
/* Given a BFD reloc type, return the matching HOWTO structure. */
-static reloc_howto_type*
+static reloc_howto_type *
lookup_howto (rtype)
unsigned int rtype;
{
else if (strcmp (name, ".HP.opt_annot") == 0)
hdr->sh_type = SHT_IA_64_HP_OPT_ANOT;
else if (strcmp (name, ".reloc") == 0)
- /*
- * This is an ugly, but unfortunately necessary hack that is
- * needed when producing EFI binaries on IA-64. It tells
- * elf.c:elf_fake_sections() not to consider ".reloc" as a section
- * containing ELF relocation info. We need this hack in order to
- * be able to generate ELF binaries that can be translated into
- * EFI applications (which are essentially COFF objects). Those
- * files contain a COFF ".reloc" section inside an ELFNN object,
- * which would normally cause BFD to segfault because it would
- * attempt to interpret this section as containing relocation
- * entries for section "oc". With this hack enabled, ".reloc"
- * will be treated as a normal data section, which will avoid the
- * segfault. However, you won't be able to create an ELFNN binary
- * with a section named "oc" that needs relocations, but that's
- * the kind of ugly side-effects you get when detecting section
- * types based on their names... In practice, this limitation is
- * unlikely to bite.
- */
+ /* This is an ugly, but unfortunately necessary hack that is
+ needed when producing EFI binaries on IA-64. It tells
+ elf.c:elf_fake_sections() not to consider ".reloc" as a section
+ containing ELF relocation info. We need this hack in order to
+ be able to generate ELF binaries that can be translated into
+ EFI applications (which are essentially COFF objects). Those
+ files contain a COFF ".reloc" section inside an ELFNN object,
+ which would normally cause BFD to segfault because it would
+ attempt to interpret this section as containing relocation
+ entries for section "oc". With this hack enabled, ".reloc"
+ will be treated as a normal data section, which will avoid the
+ segfault. However, you won't be able to create an ELFNN binary
+ with a section named "oc" that needs relocations, but that's
+ the kind of ugly side-effects you get when detecting section
+ types based on their names... In practice, this limitation is
+ unlikely to bite. */
hdr->sh_type = SHT_PROGBITS;
if (sec->flags & SEC_SMALL_DATA)
case STV_INTERNAL:
case STV_HIDDEN:
return false;
+ default:
+ break;
}
if (h->root.type == bfd_link_hash_undefweak
#undef elf_backend_section_from_bfd_section
#define elf_backend_section_from_bfd_section elfNN_hpux_backend_section_from_bfd_section
+#undef elf_backend_want_p_paddr_set_to_zero
+#define elf_backend_want_p_paddr_set_to_zero 1
+
#undef ELF_MAXPAGESIZE
#define ELF_MAXPAGESIZE 0x1000 /* 1K */
#define elfNN_bed elfNN_ia64_hpux_bed
#include "elfNN-target.h"
+
+#undef elf_backend_want_p_paddr_set_to_zero
Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002
Free Software Foundation, Inc.
-This file is part of BFD, the Binary File Descriptor library.
+ 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
-(at your option) any later version.
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
/* This structure contains everything that BFD knows about a target.
It includes things like its byte order, name, what routines to call
#ifndef elf_backend_want_dynbss
#define elf_backend_want_dynbss 1
#endif
+#ifndef elf_backend_want_p_paddr_set_to_zero
+#define elf_backend_want_p_paddr_set_to_zero 0
+#endif
#define bfd_elfNN_bfd_debug_info_start bfd_void
#define bfd_elfNN_bfd_debug_info_end bfd_void
elf_backend_can_gc_sections,
elf_backend_can_refcount,
elf_backend_want_got_sym,
- elf_backend_want_dynbss
+ elf_backend_want_dynbss,
+ elf_backend_want_p_paddr_set_to_zero
};
#endif
projects / external / binutils.git / commitdiff