/* i370-specific support for 32-bit ELF
|
/* i370-specific support for 32-bit ELF
|
Copyright 1994, 1995, 1996, 1997, 1998, 2000, 2001, 2002, 2003, 2004,
|
Copyright 1994, 1995, 1996, 1997, 1998, 2000, 2001, 2002, 2003, 2004,
|
2005, 2006, 2007, 2008 Free Software Foundation, Inc.
|
2005, 2006, 2007, 2008 Free Software Foundation, Inc.
|
Written by Ian Lance Taylor, Cygnus Support.
|
Written by Ian Lance Taylor, Cygnus Support.
|
Hacked by Linas Vepstas for i370 linas@linas.org
|
Hacked by Linas Vepstas for i370 linas@linas.org
|
|
|
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
|
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. */
|
|
|
/* This file is based on a preliminary PowerPC ELF ABI.
|
/* This file is based on a preliminary PowerPC ELF ABI.
|
But its been hacked on for the IBM 360/370 architectures.
|
But its been hacked on for the IBM 360/370 architectures.
|
Basically, the 31bit relocation works, and just about everything
|
Basically, the 31bit relocation works, and just about everything
|
else is a wild card. In particular, don't expect shared libs or
|
else is a wild card. In particular, don't expect shared libs or
|
dynamic loading to work ... its never been tested. */
|
dynamic loading to work ... its never been tested. */
|
|
|
#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 "elf-bfd.h"
|
#include "elf-bfd.h"
|
#include "elf/i370.h"
|
#include "elf/i370.h"
|
|
|
static reloc_howto_type *i370_elf_howto_table[ (int)R_I370_max ];
|
static reloc_howto_type *i370_elf_howto_table[ (int)R_I370_max ];
|
|
|
static reloc_howto_type i370_elf_howto_raw[] =
|
static reloc_howto_type i370_elf_howto_raw[] =
|
{
|
{
|
/* This reloc does nothing. */
|
/* This reloc does nothing. */
|
HOWTO (R_I370_NONE, /* type */
|
HOWTO (R_I370_NONE, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
32, /* bitsize */
|
32, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_I370_NONE", /* name */
|
"R_I370_NONE", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0, /* dst_mask */
|
0, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* A standard 31 bit relocation. */
|
/* A standard 31 bit relocation. */
|
HOWTO (R_I370_ADDR31, /* type */
|
HOWTO (R_I370_ADDR31, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
31, /* bitsize */
|
31, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_I370_ADDR31", /* name */
|
"R_I370_ADDR31", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0x7fffffff, /* dst_mask */
|
0x7fffffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* A standard 32 bit relocation. */
|
/* A standard 32 bit relocation. */
|
HOWTO (R_I370_ADDR32, /* type */
|
HOWTO (R_I370_ADDR32, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
32, /* bitsize */
|
32, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_I370_ADDR32", /* name */
|
"R_I370_ADDR32", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffffffff, /* dst_mask */
|
0xffffffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* A standard 16 bit relocation. */
|
/* A standard 16 bit relocation. */
|
HOWTO (R_I370_ADDR16, /* type */
|
HOWTO (R_I370_ADDR16, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
16, /* bitsize */
|
16, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_I370_ADDR16", /* name */
|
"R_I370_ADDR16", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffff, /* dst_mask */
|
0xffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* 31-bit PC relative. */
|
/* 31-bit PC relative. */
|
HOWTO (R_I370_REL31, /* type */
|
HOWTO (R_I370_REL31, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
31, /* bitsize */
|
31, /* bitsize */
|
TRUE, /* pc_relative */
|
TRUE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_I370_REL31", /* name */
|
"R_I370_REL31", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0x7fffffff, /* dst_mask */
|
0x7fffffff, /* dst_mask */
|
TRUE), /* pcrel_offset */
|
TRUE), /* pcrel_offset */
|
|
|
/* 32-bit PC relative. */
|
/* 32-bit PC relative. */
|
HOWTO (R_I370_REL32, /* type */
|
HOWTO (R_I370_REL32, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
32, /* bitsize */
|
32, /* bitsize */
|
TRUE, /* pc_relative */
|
TRUE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_I370_REL32", /* name */
|
"R_I370_REL32", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffffffff, /* dst_mask */
|
0xffffffff, /* dst_mask */
|
TRUE), /* pcrel_offset */
|
TRUE), /* pcrel_offset */
|
|
|
/* A standard 12 bit relocation. */
|
/* A standard 12 bit relocation. */
|
HOWTO (R_I370_ADDR12, /* type */
|
HOWTO (R_I370_ADDR12, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
12, /* bitsize */
|
12, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_I370_ADDR12", /* name */
|
"R_I370_ADDR12", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xfff, /* dst_mask */
|
0xfff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* 12-bit PC relative. */
|
/* 12-bit PC relative. */
|
HOWTO (R_I370_REL12, /* type */
|
HOWTO (R_I370_REL12, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
1, /* size (0 = byte, 1 = short, 2 = long) */
|
12, /* bitsize */
|
12, /* bitsize */
|
TRUE, /* pc_relative */
|
TRUE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_I370_REL12", /* name */
|
"R_I370_REL12", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xfff, /* dst_mask */
|
0xfff, /* dst_mask */
|
TRUE), /* pcrel_offset */
|
TRUE), /* pcrel_offset */
|
|
|
/* A standard 8 bit relocation. */
|
/* A standard 8 bit relocation. */
|
HOWTO (R_I370_ADDR8, /* type */
|
HOWTO (R_I370_ADDR8, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
0, /* size (0 = byte, 1 = short, 2 = long) */
|
0, /* size (0 = byte, 1 = short, 2 = long) */
|
8, /* bitsize */
|
8, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_I370_ADDR8", /* name */
|
"R_I370_ADDR8", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xff, /* dst_mask */
|
0xff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* 8-bit PC relative. */
|
/* 8-bit PC relative. */
|
HOWTO (R_I370_REL8, /* type */
|
HOWTO (R_I370_REL8, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
0, /* size (0 = byte, 1 = short, 2 = long) */
|
0, /* size (0 = byte, 1 = short, 2 = long) */
|
8, /* bitsize */
|
8, /* bitsize */
|
TRUE, /* pc_relative */
|
TRUE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_I370_REL8", /* name */
|
"R_I370_REL8", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xff, /* dst_mask */
|
0xff, /* dst_mask */
|
TRUE), /* pcrel_offset */
|
TRUE), /* pcrel_offset */
|
|
|
/* This is used only by the dynamic linker. The symbol should exist
|
/* This is used only by the dynamic linker. The symbol should exist
|
both in the object being run and in some shared library. The
|
both in the object being run and in some shared library. The
|
dynamic linker copies the data addressed by the symbol from the
|
dynamic linker copies the data addressed by the symbol from the
|
shared library into the object, because the object being
|
shared library into the object, because the object being
|
run has to have the data at some particular address. */
|
run has to have the data at some particular address. */
|
HOWTO (R_I370_COPY, /* type */
|
HOWTO (R_I370_COPY, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
32, /* bitsize */
|
32, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_I370_COPY", /* name */
|
"R_I370_COPY", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0, /* dst_mask */
|
0, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
/* Used only by the dynamic linker. When the object is run, this
|
/* Used only by the dynamic linker. When the object is run, this
|
longword is set to the load address of the object, plus the
|
longword is set to the load address of the object, plus the
|
addend. */
|
addend. */
|
HOWTO (R_I370_RELATIVE, /* type */
|
HOWTO (R_I370_RELATIVE, /* type */
|
0, /* rightshift */
|
0, /* rightshift */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
2, /* size (0 = byte, 1 = short, 2 = long) */
|
32, /* bitsize */
|
32, /* bitsize */
|
FALSE, /* pc_relative */
|
FALSE, /* pc_relative */
|
0, /* bitpos */
|
0, /* bitpos */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
complain_overflow_bitfield, /* complain_on_overflow */
|
bfd_elf_generic_reloc, /* special_function */
|
bfd_elf_generic_reloc, /* special_function */
|
"R_I370_RELATIVE", /* name */
|
"R_I370_RELATIVE", /* name */
|
FALSE, /* partial_inplace */
|
FALSE, /* partial_inplace */
|
0, /* src_mask */
|
0, /* src_mask */
|
0xffffffff, /* dst_mask */
|
0xffffffff, /* dst_mask */
|
FALSE), /* pcrel_offset */
|
FALSE), /* pcrel_offset */
|
|
|
};
|
};
|
|
|
/* Initialize the i370_elf_howto_table, so that linear accesses can be done. */
|
/* Initialize the i370_elf_howto_table, so that linear accesses can be done. */
|
|
|
static void
|
static void
|
i370_elf_howto_init (void)
|
i370_elf_howto_init (void)
|
{
|
{
|
unsigned int i, type;
|
unsigned int i, type;
|
|
|
for (i = 0; i < sizeof (i370_elf_howto_raw) / sizeof (i370_elf_howto_raw[0]); i++)
|
for (i = 0; i < sizeof (i370_elf_howto_raw) / sizeof (i370_elf_howto_raw[0]); i++)
|
{
|
{
|
type = i370_elf_howto_raw[i].type;
|
type = i370_elf_howto_raw[i].type;
|
BFD_ASSERT (type < sizeof (i370_elf_howto_table) / sizeof (i370_elf_howto_table[0]));
|
BFD_ASSERT (type < sizeof (i370_elf_howto_table) / sizeof (i370_elf_howto_table[0]));
|
i370_elf_howto_table[type] = &i370_elf_howto_raw[i];
|
i370_elf_howto_table[type] = &i370_elf_howto_raw[i];
|
}
|
}
|
}
|
}
|
|
|
static reloc_howto_type *
|
static reloc_howto_type *
|
i370_elf_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
|
i370_elf_reloc_type_lookup (bfd *abfd ATTRIBUTE_UNUSED,
|
bfd_reloc_code_real_type code)
|
bfd_reloc_code_real_type code)
|
{
|
{
|
enum i370_reloc_type i370_reloc = R_I370_NONE;
|
enum i370_reloc_type i370_reloc = R_I370_NONE;
|
|
|
if (!i370_elf_howto_table[ R_I370_ADDR31 ])
|
if (!i370_elf_howto_table[ R_I370_ADDR31 ])
|
/* Initialize howto table if needed. */
|
/* Initialize howto table if needed. */
|
i370_elf_howto_init ();
|
i370_elf_howto_init ();
|
|
|
switch ((int) code)
|
switch ((int) code)
|
{
|
{
|
default:
|
default:
|
return NULL;
|
return NULL;
|
|
|
case BFD_RELOC_NONE: i370_reloc = R_I370_NONE; break;
|
case BFD_RELOC_NONE: i370_reloc = R_I370_NONE; break;
|
case BFD_RELOC_32: i370_reloc = R_I370_ADDR31; break;
|
case BFD_RELOC_32: i370_reloc = R_I370_ADDR31; break;
|
case BFD_RELOC_16: i370_reloc = R_I370_ADDR16; break;
|
case BFD_RELOC_16: i370_reloc = R_I370_ADDR16; break;
|
case BFD_RELOC_32_PCREL: i370_reloc = R_I370_REL31; break;
|
case BFD_RELOC_32_PCREL: i370_reloc = R_I370_REL31; break;
|
case BFD_RELOC_CTOR: i370_reloc = R_I370_ADDR31; break;
|
case BFD_RELOC_CTOR: i370_reloc = R_I370_ADDR31; break;
|
case BFD_RELOC_I370_D12: i370_reloc = R_I370_ADDR12; break;
|
case BFD_RELOC_I370_D12: i370_reloc = R_I370_ADDR12; break;
|
}
|
}
|
|
|
return i370_elf_howto_table[ (int)i370_reloc ];
|
return i370_elf_howto_table[ (int)i370_reloc ];
|
};
|
};
|
|
|
static reloc_howto_type *
|
static reloc_howto_type *
|
i370_elf_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
|
i370_elf_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
|
const char *r_name)
|
const char *r_name)
|
{
|
{
|
unsigned int i;
|
unsigned int i;
|
|
|
for (i = 0;
|
for (i = 0;
|
i < sizeof (i370_elf_howto_raw) / sizeof (i370_elf_howto_raw[0]);
|
i < sizeof (i370_elf_howto_raw) / sizeof (i370_elf_howto_raw[0]);
|
i++)
|
i++)
|
if (i370_elf_howto_raw[i].name != NULL
|
if (i370_elf_howto_raw[i].name != NULL
|
&& strcasecmp (i370_elf_howto_raw[i].name, r_name) == 0)
|
&& strcasecmp (i370_elf_howto_raw[i].name, r_name) == 0)
|
return &i370_elf_howto_raw[i];
|
return &i370_elf_howto_raw[i];
|
|
|
return NULL;
|
return NULL;
|
}
|
}
|
|
|
/* The name of the dynamic interpreter. This is put in the .interp
|
/* The name of the dynamic interpreter. This is put in the .interp
|
section. */
|
section. */
|
|
|
#define ELF_DYNAMIC_INTERPRETER "/lib/ld.so"
|
#define ELF_DYNAMIC_INTERPRETER "/lib/ld.so"
|
|
|
/* Set the howto pointer for an i370 ELF reloc. */
|
/* Set the howto pointer for an i370 ELF reloc. */
|
|
|
static void
|
static void
|
i370_elf_info_to_howto (bfd *abfd ATTRIBUTE_UNUSED,
|
i370_elf_info_to_howto (bfd *abfd ATTRIBUTE_UNUSED,
|
arelent *cache_ptr,
|
arelent *cache_ptr,
|
Elf_Internal_Rela *dst)
|
Elf_Internal_Rela *dst)
|
{
|
{
|
if (!i370_elf_howto_table[ R_I370_ADDR31 ])
|
if (!i370_elf_howto_table[ R_I370_ADDR31 ])
|
/* Initialize howto table. */
|
/* Initialize howto table. */
|
i370_elf_howto_init ();
|
i370_elf_howto_init ();
|
|
|
BFD_ASSERT (ELF32_R_TYPE (dst->r_info) < (unsigned int) R_I370_max);
|
BFD_ASSERT (ELF32_R_TYPE (dst->r_info) < (unsigned int) R_I370_max);
|
cache_ptr->howto = i370_elf_howto_table[ELF32_R_TYPE (dst->r_info)];
|
cache_ptr->howto = i370_elf_howto_table[ELF32_R_TYPE (dst->r_info)];
|
}
|
}
|
|
|
/* Hack alert -- the following several routines look generic to me ...
|
/* Hack alert -- the following several routines look generic to me ...
|
why are we bothering with them ? */
|
why are we bothering with them ? */
|
/* Function to set whether a module needs the -mrelocatable bit set. */
|
/* Function to set whether a module needs the -mrelocatable bit set. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
i370_elf_set_private_flags (bfd *abfd, flagword flags)
|
i370_elf_set_private_flags (bfd *abfd, flagword flags)
|
{
|
{
|
BFD_ASSERT (!elf_flags_init (abfd)
|
BFD_ASSERT (!elf_flags_init (abfd)
|
|| elf_elfheader (abfd)->e_flags == flags);
|
|| elf_elfheader (abfd)->e_flags == flags);
|
|
|
elf_elfheader (abfd)->e_flags = flags;
|
elf_elfheader (abfd)->e_flags = flags;
|
elf_flags_init (abfd) = TRUE;
|
elf_flags_init (abfd) = TRUE;
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* Merge backend specific data from an object file to the output
|
/* Merge backend specific data from an object file to the output
|
object file when linking. */
|
object file when linking. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
i370_elf_merge_private_bfd_data (bfd *ibfd, bfd *obfd)
|
i370_elf_merge_private_bfd_data (bfd *ibfd, bfd *obfd)
|
{
|
{
|
flagword old_flags;
|
flagword old_flags;
|
flagword new_flags;
|
flagword new_flags;
|
|
|
if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour
|
if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour
|
|| bfd_get_flavour (obfd) != bfd_target_elf_flavour)
|
|| bfd_get_flavour (obfd) != bfd_target_elf_flavour)
|
return TRUE;
|
return TRUE;
|
|
|
new_flags = elf_elfheader (ibfd)->e_flags;
|
new_flags = elf_elfheader (ibfd)->e_flags;
|
old_flags = elf_elfheader (obfd)->e_flags;
|
old_flags = elf_elfheader (obfd)->e_flags;
|
if (!elf_flags_init (obfd)) /* First call, no flags set. */
|
if (!elf_flags_init (obfd)) /* First call, no flags set. */
|
{
|
{
|
elf_flags_init (obfd) = TRUE;
|
elf_flags_init (obfd) = TRUE;
|
elf_elfheader (obfd)->e_flags = new_flags;
|
elf_elfheader (obfd)->e_flags = new_flags;
|
}
|
}
|
|
|
else if (new_flags == old_flags) /* Compatible flags are ok. */
|
else if (new_flags == old_flags) /* Compatible flags are ok. */
|
;
|
;
|
|
|
else /* Incompatible flags. */
|
else /* Incompatible flags. */
|
{
|
{
|
(*_bfd_error_handler)
|
(*_bfd_error_handler)
|
("%B: uses different e_flags (0x%lx) fields than previous modules (0x%lx)",
|
("%B: uses different e_flags (0x%lx) fields than previous modules (0x%lx)",
|
ibfd, (long) new_flags, (long) old_flags);
|
ibfd, (long) new_flags, (long) old_flags);
|
|
|
bfd_set_error (bfd_error_bad_value);
|
bfd_set_error (bfd_error_bad_value);
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* Handle an i370 specific section when reading an object file. This
|
/* Handle an i370 specific section when reading an object file. This
|
is called when elfcode.h finds a section with an unknown type. */
|
is called when elfcode.h finds a section with an unknown type. */
|
/* XXX hack alert bogus This routine is mostly all junk and almost
|
/* XXX hack alert bogus This routine is mostly all junk and almost
|
certainly does the wrong thing. Its here simply because it does
|
certainly does the wrong thing. Its here simply because it does
|
just enough to allow glibc-2.1 ld.so to compile & link. */
|
just enough to allow glibc-2.1 ld.so to compile & link. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
i370_elf_section_from_shdr (bfd *abfd,
|
i370_elf_section_from_shdr (bfd *abfd,
|
Elf_Internal_Shdr *hdr,
|
Elf_Internal_Shdr *hdr,
|
const char *name,
|
const char *name,
|
int shindex)
|
int shindex)
|
{
|
{
|
asection *newsect;
|
asection *newsect;
|
flagword flags;
|
flagword flags;
|
|
|
if (! _bfd_elf_make_section_from_shdr (abfd, hdr, name, shindex))
|
if (! _bfd_elf_make_section_from_shdr (abfd, hdr, name, shindex))
|
return FALSE;
|
return FALSE;
|
|
|
newsect = hdr->bfd_section;
|
newsect = hdr->bfd_section;
|
flags = bfd_get_section_flags (abfd, newsect);
|
flags = bfd_get_section_flags (abfd, newsect);
|
if (hdr->sh_flags & SHF_EXCLUDE)
|
if (hdr->sh_flags & SHF_EXCLUDE)
|
flags |= SEC_EXCLUDE;
|
flags |= SEC_EXCLUDE;
|
|
|
if (hdr->sh_type == SHT_ORDERED)
|
if (hdr->sh_type == SHT_ORDERED)
|
flags |= SEC_SORT_ENTRIES;
|
flags |= SEC_SORT_ENTRIES;
|
|
|
bfd_set_section_flags (abfd, newsect, flags);
|
bfd_set_section_flags (abfd, newsect, flags);
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* Set up any other section flags and such that may be necessary. */
|
/* Set up any other section flags and such that may be necessary. */
|
/* XXX hack alert bogus This routine is mostly all junk and almost
|
/* XXX hack alert bogus This routine is mostly all junk and almost
|
certainly does the wrong thing. Its here simply because it does
|
certainly does the wrong thing. Its here simply because it does
|
just enough to allow glibc-2.1 ld.so to compile & link. */
|
just enough to allow glibc-2.1 ld.so to compile & link. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
i370_elf_fake_sections (bfd *abfd ATTRIBUTE_UNUSED,
|
i370_elf_fake_sections (bfd *abfd ATTRIBUTE_UNUSED,
|
Elf_Internal_Shdr *shdr,
|
Elf_Internal_Shdr *shdr,
|
asection *asect)
|
asection *asect)
|
{
|
{
|
if ((asect->flags & (SEC_GROUP | SEC_EXCLUDE)) == SEC_EXCLUDE)
|
if ((asect->flags & (SEC_GROUP | SEC_EXCLUDE)) == SEC_EXCLUDE)
|
shdr->sh_flags |= SHF_EXCLUDE;
|
shdr->sh_flags |= SHF_EXCLUDE;
|
|
|
if ((asect->flags & SEC_SORT_ENTRIES) != 0)
|
if ((asect->flags & SEC_SORT_ENTRIES) != 0)
|
shdr->sh_type = SHT_ORDERED;
|
shdr->sh_type = SHT_ORDERED;
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* We have to create .dynsbss and .rela.sbss here so that they get mapped
|
/* We have to create .dynsbss and .rela.sbss here so that they get mapped
|
to output sections (just like _bfd_elf_create_dynamic_sections has
|
to output sections (just like _bfd_elf_create_dynamic_sections has
|
to create .dynbss and .rela.bss). */
|
to create .dynbss and .rela.bss). */
|
/* XXX hack alert bogus This routine is mostly all junk and almost
|
/* XXX hack alert bogus This routine is mostly all junk and almost
|
certainly does the wrong thing. Its here simply because it does
|
certainly does the wrong thing. Its here simply because it does
|
just enough to allow glibc-2.1 ld.so to compile & link. */
|
just enough to allow glibc-2.1 ld.so to compile & link. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
i370_elf_create_dynamic_sections (bfd *abfd, struct bfd_link_info *info)
|
i370_elf_create_dynamic_sections (bfd *abfd, struct bfd_link_info *info)
|
{
|
{
|
asection *s;
|
asection *s;
|
flagword flags;
|
flagword flags;
|
|
|
if (!_bfd_elf_create_dynamic_sections(abfd, info))
|
if (!_bfd_elf_create_dynamic_sections(abfd, info))
|
return FALSE;
|
return FALSE;
|
|
|
flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY
|
flags = (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS | SEC_IN_MEMORY
|
| SEC_LINKER_CREATED);
|
| SEC_LINKER_CREATED);
|
|
|
s = bfd_make_section_with_flags (abfd, ".dynsbss",
|
s = bfd_make_section_with_flags (abfd, ".dynsbss",
|
SEC_ALLOC | SEC_LINKER_CREATED);
|
SEC_ALLOC | SEC_LINKER_CREATED);
|
if (s == NULL)
|
if (s == NULL)
|
return FALSE;
|
return FALSE;
|
|
|
if (! info->shared)
|
if (! info->shared)
|
{
|
{
|
s = bfd_make_section_with_flags (abfd, ".rela.sbss",
|
s = bfd_make_section_with_flags (abfd, ".rela.sbss",
|
flags | SEC_READONLY);
|
flags | SEC_READONLY);
|
if (s == NULL
|
if (s == NULL
|
|| ! bfd_set_section_alignment (abfd, s, 2))
|
|| ! bfd_set_section_alignment (abfd, s, 2))
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
/* XXX beats me, seem to need a rela.text ... */
|
/* XXX beats me, seem to need a rela.text ... */
|
s = bfd_make_section_with_flags (abfd, ".rela.text",
|
s = bfd_make_section_with_flags (abfd, ".rela.text",
|
flags | SEC_READONLY);
|
flags | SEC_READONLY);
|
if (s == NULL
|
if (s == NULL
|
|| ! bfd_set_section_alignment (abfd, s, 2))
|
|| ! bfd_set_section_alignment (abfd, s, 2))
|
return FALSE;
|
return FALSE;
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* Adjust a symbol defined by a dynamic object and referenced by a
|
/* Adjust a symbol defined by a dynamic object and referenced by a
|
regular object. The current definition is in some section of the
|
regular object. The current definition is in some section of the
|
dynamic object, but we're not including those sections. We have to
|
dynamic object, but we're not including those sections. We have to
|
change the definition to something the rest of the link can
|
change the definition to something the rest of the link can
|
understand. */
|
understand. */
|
/* XXX hack alert bogus This routine is mostly all junk and almost
|
/* XXX hack alert bogus This routine is mostly all junk and almost
|
certainly does the wrong thing. Its here simply because it does
|
certainly does the wrong thing. Its here simply because it does
|
just enough to allow glibc-2.1 ld.so to compile & link. */
|
just enough to allow glibc-2.1 ld.so to compile & link. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
i370_elf_adjust_dynamic_symbol (struct bfd_link_info *info,
|
i370_elf_adjust_dynamic_symbol (struct bfd_link_info *info,
|
struct elf_link_hash_entry *h)
|
struct elf_link_hash_entry *h)
|
{
|
{
|
bfd *dynobj = elf_hash_table (info)->dynobj;
|
bfd *dynobj = elf_hash_table (info)->dynobj;
|
asection *s;
|
asection *s;
|
|
|
#ifdef DEBUG
|
#ifdef DEBUG
|
fprintf (stderr, "i370_elf_adjust_dynamic_symbol called for %s\n",
|
fprintf (stderr, "i370_elf_adjust_dynamic_symbol called for %s\n",
|
h->root.root.string);
|
h->root.root.string);
|
#endif
|
#endif
|
|
|
/* Make sure we know what is going on here. */
|
/* Make sure we know what is going on here. */
|
BFD_ASSERT (dynobj != NULL
|
BFD_ASSERT (dynobj != NULL
|
&& (h->needs_plt
|
&& (h->needs_plt
|
|| h->u.weakdef != NULL
|
|| h->u.weakdef != NULL
|
|| (h->def_dynamic
|
|| (h->def_dynamic
|
&& h->ref_regular
|
&& h->ref_regular
|
&& !h->def_regular)));
|
&& !h->def_regular)));
|
|
|
s = bfd_get_section_by_name (dynobj, ".rela.text");
|
s = bfd_get_section_by_name (dynobj, ".rela.text");
|
BFD_ASSERT (s != NULL);
|
BFD_ASSERT (s != NULL);
|
s->size += sizeof (Elf32_External_Rela);
|
s->size += sizeof (Elf32_External_Rela);
|
|
|
/* If this is a weak symbol, and there is a real definition, the
|
/* If this is a weak symbol, and there is a real definition, the
|
processor independent code will have arranged for us to see the
|
processor independent code will have arranged for us to see the
|
real definition first, and we can just use the same value. */
|
real definition first, and we can just use the same value. */
|
if (h->u.weakdef != NULL)
|
if (h->u.weakdef != NULL)
|
{
|
{
|
BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defined
|
BFD_ASSERT (h->u.weakdef->root.type == bfd_link_hash_defined
|
|| h->u.weakdef->root.type == bfd_link_hash_defweak);
|
|| h->u.weakdef->root.type == bfd_link_hash_defweak);
|
h->root.u.def.section = h->u.weakdef->root.u.def.section;
|
h->root.u.def.section = h->u.weakdef->root.u.def.section;
|
h->root.u.def.value = h->u.weakdef->root.u.def.value;
|
h->root.u.def.value = h->u.weakdef->root.u.def.value;
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* This is a reference to a symbol defined by a dynamic object which
|
/* This is a reference to a symbol defined by a dynamic object which
|
is not a function. */
|
is not a function. */
|
|
|
/* If we are creating a shared library, we must presume that the
|
/* If we are creating a shared library, we must presume that the
|
only references to the symbol are via the global offset table.
|
only references to the symbol are via the global offset table.
|
For such cases we need not do anything here; the relocations will
|
For such cases we need not do anything here; the relocations will
|
be handled correctly by relocate_section. */
|
be handled correctly by relocate_section. */
|
if (info->shared)
|
if (info->shared)
|
return TRUE;
|
return TRUE;
|
|
|
if (h->size == 0)
|
if (h->size == 0)
|
{
|
{
|
(*_bfd_error_handler) (_("dynamic variable `%s' is zero size"),
|
(*_bfd_error_handler) (_("dynamic variable `%s' is zero size"),
|
h->root.root.string);
|
h->root.root.string);
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* We must allocate the symbol in our .dynbss section, which will
|
/* We must allocate the symbol in our .dynbss section, which will
|
become part of the .bss section of the executable. There will be
|
become part of the .bss section of the executable. There will be
|
an entry for this symbol in the .dynsym section. The dynamic
|
an entry for this symbol in the .dynsym section. The dynamic
|
object will contain position independent code, so all references
|
object will contain position independent code, so all references
|
from the dynamic object to this symbol will go through the global
|
from the dynamic object to this symbol will go through the global
|
offset table. The dynamic linker will use the .dynsym entry to
|
offset table. The dynamic linker will use the .dynsym entry to
|
determine the address it must put in the global offset table, so
|
determine the address it must put in the global offset table, so
|
both the dynamic object and the regular object will refer to the
|
both the dynamic object and the regular object will refer to the
|
same memory location for the variable.
|
same memory location for the variable.
|
|
|
Of course, if the symbol is sufficiently small, we must instead
|
Of course, if the symbol is sufficiently small, we must instead
|
allocate it in .sbss. FIXME: It would be better to do this if and
|
allocate it in .sbss. FIXME: It would be better to do this if and
|
only if there were actually SDAREL relocs for that symbol. */
|
only if there were actually SDAREL relocs for that symbol. */
|
|
|
if (h->size <= elf_gp_size (dynobj))
|
if (h->size <= elf_gp_size (dynobj))
|
s = bfd_get_section_by_name (dynobj, ".dynsbss");
|
s = bfd_get_section_by_name (dynobj, ".dynsbss");
|
else
|
else
|
s = bfd_get_section_by_name (dynobj, ".dynbss");
|
s = bfd_get_section_by_name (dynobj, ".dynbss");
|
BFD_ASSERT (s != NULL);
|
BFD_ASSERT (s != NULL);
|
|
|
/* We must generate a R_I370_COPY reloc to tell the dynamic linker to
|
/* We must generate a R_I370_COPY reloc to tell the dynamic linker to
|
copy the initial value out of the dynamic object and into the
|
copy the initial value out of the dynamic object and into the
|
runtime process image. We need to remember the offset into the
|
runtime process image. We need to remember the offset into the
|
.rela.bss section we are going to use. */
|
.rela.bss section we are going to use. */
|
if ((h->root.u.def.section->flags & SEC_ALLOC) != 0)
|
if ((h->root.u.def.section->flags & SEC_ALLOC) != 0)
|
{
|
{
|
asection *srel;
|
asection *srel;
|
|
|
if (h->size <= elf_gp_size (dynobj))
|
if (h->size <= elf_gp_size (dynobj))
|
srel = bfd_get_section_by_name (dynobj, ".rela.sbss");
|
srel = bfd_get_section_by_name (dynobj, ".rela.sbss");
|
else
|
else
|
srel = bfd_get_section_by_name (dynobj, ".rela.bss");
|
srel = bfd_get_section_by_name (dynobj, ".rela.bss");
|
BFD_ASSERT (srel != NULL);
|
BFD_ASSERT (srel != NULL);
|
srel->size += sizeof (Elf32_External_Rela);
|
srel->size += sizeof (Elf32_External_Rela);
|
h->needs_copy = 1;
|
h->needs_copy = 1;
|
}
|
}
|
|
|
return _bfd_elf_adjust_dynamic_copy (h, s);
|
return _bfd_elf_adjust_dynamic_copy (h, s);
|
}
|
}
|
|
|
/* Increment the index of a dynamic symbol by a given amount. Called
|
/* Increment the index of a dynamic symbol by a given amount. Called
|
via elf_link_hash_traverse. */
|
via elf_link_hash_traverse. */
|
/* XXX hack alert bogus This routine is mostly all junk and almost
|
/* XXX hack alert bogus This routine is mostly all junk and almost
|
certainly does the wrong thing. Its here simply because it does
|
certainly does the wrong thing. Its here simply because it does
|
just enough to allow glibc-2.1 ld.so to compile & link. */
|
just enough to allow glibc-2.1 ld.so to compile & link. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
i370_elf_adjust_dynindx (struct elf_link_hash_entry *h, void * cparg)
|
i370_elf_adjust_dynindx (struct elf_link_hash_entry *h, void * cparg)
|
{
|
{
|
int *cp = (int *) cparg;
|
int *cp = (int *) cparg;
|
|
|
#ifdef DEBUG
|
#ifdef DEBUG
|
fprintf (stderr,
|
fprintf (stderr,
|
"i370_elf_adjust_dynindx called, h->dynindx = %ld, *cp = %d\n",
|
"i370_elf_adjust_dynindx called, h->dynindx = %ld, *cp = %d\n",
|
h->dynindx, *cp);
|
h->dynindx, *cp);
|
#endif
|
#endif
|
|
|
if (h->root.type == bfd_link_hash_warning)
|
if (h->root.type == bfd_link_hash_warning)
|
h = (struct elf_link_hash_entry *) h->root.u.i.link;
|
h = (struct elf_link_hash_entry *) h->root.u.i.link;
|
|
|
if (h->dynindx != -1)
|
if (h->dynindx != -1)
|
h->dynindx += *cp;
|
h->dynindx += *cp;
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* Set the sizes of the dynamic sections. */
|
/* Set the sizes of the dynamic sections. */
|
/* XXX hack alert bogus This routine is mostly all junk and almost
|
/* XXX hack alert bogus This routine is mostly all junk and almost
|
certainly does the wrong thing. Its here simply because it does
|
certainly does the wrong thing. Its here simply because it does
|
just enough to allow glibc-2.1 ld.so to compile & link. */
|
just enough to allow glibc-2.1 ld.so to compile & link. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
i370_elf_size_dynamic_sections (bfd *output_bfd,
|
i370_elf_size_dynamic_sections (bfd *output_bfd,
|
struct bfd_link_info *info)
|
struct bfd_link_info *info)
|
{
|
{
|
bfd *dynobj;
|
bfd *dynobj;
|
asection *s;
|
asection *s;
|
bfd_boolean plt;
|
bfd_boolean plt;
|
bfd_boolean relocs;
|
bfd_boolean relocs;
|
bfd_boolean reltext;
|
bfd_boolean reltext;
|
|
|
#ifdef DEBUG
|
#ifdef DEBUG
|
fprintf (stderr, "i370_elf_size_dynamic_sections called\n");
|
fprintf (stderr, "i370_elf_size_dynamic_sections called\n");
|
#endif
|
#endif
|
|
|
dynobj = elf_hash_table (info)->dynobj;
|
dynobj = elf_hash_table (info)->dynobj;
|
BFD_ASSERT (dynobj != NULL);
|
BFD_ASSERT (dynobj != NULL);
|
|
|
if (elf_hash_table (info)->dynamic_sections_created)
|
if (elf_hash_table (info)->dynamic_sections_created)
|
{
|
{
|
/* Set the contents of the .interp section to the interpreter. */
|
/* Set the contents of the .interp section to the interpreter. */
|
if (info->executable)
|
if (info->executable)
|
{
|
{
|
s = bfd_get_section_by_name (dynobj, ".interp");
|
s = bfd_get_section_by_name (dynobj, ".interp");
|
BFD_ASSERT (s != NULL);
|
BFD_ASSERT (s != NULL);
|
s->size = sizeof ELF_DYNAMIC_INTERPRETER;
|
s->size = sizeof ELF_DYNAMIC_INTERPRETER;
|
s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER;
|
s->contents = (unsigned char *) ELF_DYNAMIC_INTERPRETER;
|
}
|
}
|
}
|
}
|
else
|
else
|
{
|
{
|
/* We may have created entries in the .rela.got, .rela.sdata, and
|
/* We may have created entries in the .rela.got, .rela.sdata, and
|
.rela.sdata2 sections. However, if we are not creating the
|
.rela.sdata2 sections. However, if we are not creating the
|
dynamic sections, we will not actually use these entries. Reset
|
dynamic sections, we will not actually use these entries. Reset
|
the size of .rela.got, et al, which will cause it to get
|
the size of .rela.got, et al, which will cause it to get
|
stripped from the output file below. */
|
stripped from the output file below. */
|
static char *rela_sections[] = { ".rela.got", ".rela.sdata",
|
static char *rela_sections[] = { ".rela.got", ".rela.sdata",
|
".rela.sdata2", ".rela.sbss",
|
".rela.sdata2", ".rela.sbss",
|
NULL };
|
NULL };
|
char **p;
|
char **p;
|
|
|
for (p = rela_sections; *p != NULL; p++)
|
for (p = rela_sections; *p != NULL; p++)
|
{
|
{
|
s = bfd_get_section_by_name (dynobj, *p);
|
s = bfd_get_section_by_name (dynobj, *p);
|
if (s != NULL)
|
if (s != NULL)
|
s->size = 0;
|
s->size = 0;
|
}
|
}
|
}
|
}
|
|
|
/* The check_relocs and adjust_dynamic_symbol entry points have
|
/* The check_relocs and adjust_dynamic_symbol entry points have
|
determined the sizes of the various dynamic sections. Allocate
|
determined the sizes of the various dynamic sections. Allocate
|
memory for them. */
|
memory for them. */
|
plt = FALSE;
|
plt = FALSE;
|
relocs = FALSE;
|
relocs = FALSE;
|
reltext = FALSE;
|
reltext = FALSE;
|
for (s = dynobj->sections; s != NULL; s = s->next)
|
for (s = dynobj->sections; s != NULL; s = s->next)
|
{
|
{
|
const char *name;
|
const char *name;
|
|
|
if ((s->flags & SEC_LINKER_CREATED) == 0)
|
if ((s->flags & SEC_LINKER_CREATED) == 0)
|
continue;
|
continue;
|
|
|
/* It's OK to base decisions on the section name, because none
|
/* It's OK to base decisions on the section name, because none
|
of the dynobj section names depend upon the input files. */
|
of the dynobj section names depend upon the input files. */
|
name = bfd_get_section_name (dynobj, s);
|
name = bfd_get_section_name (dynobj, s);
|
|
|
if (strcmp (name, ".plt") == 0)
|
if (strcmp (name, ".plt") == 0)
|
{
|
{
|
/* Remember whether there is a PLT. */
|
/* Remember whether there is a PLT. */
|
plt = s->size != 0;
|
plt = s->size != 0;
|
}
|
}
|
else if (CONST_STRNEQ (name, ".rela"))
|
else if (CONST_STRNEQ (name, ".rela"))
|
{
|
{
|
if (s->size != 0)
|
if (s->size != 0)
|
{
|
{
|
asection *target;
|
asection *target;
|
const char *outname;
|
const char *outname;
|
|
|
/* Remember whether there are any relocation sections. */
|
/* Remember whether there are any relocation sections. */
|
relocs = TRUE;
|
relocs = TRUE;
|
|
|
/* If this relocation section applies to a read only
|
/* If this relocation section applies to a read only
|
section, then we probably need a DT_TEXTREL entry. */
|
section, then we probably need a DT_TEXTREL entry. */
|
outname = bfd_get_section_name (output_bfd,
|
outname = bfd_get_section_name (output_bfd,
|
s->output_section);
|
s->output_section);
|
target = bfd_get_section_by_name (output_bfd, outname + 5);
|
target = bfd_get_section_by_name (output_bfd, outname + 5);
|
if (target != NULL
|
if (target != NULL
|
&& (target->flags & SEC_READONLY) != 0
|
&& (target->flags & SEC_READONLY) != 0
|
&& (target->flags & SEC_ALLOC) != 0)
|
&& (target->flags & SEC_ALLOC) != 0)
|
reltext = TRUE;
|
reltext = TRUE;
|
|
|
/* We use the reloc_count field as a counter if we need
|
/* We use the reloc_count field as a counter if we need
|
to copy relocs into the output file. */
|
to copy relocs into the output file. */
|
s->reloc_count = 0;
|
s->reloc_count = 0;
|
}
|
}
|
}
|
}
|
else if (strcmp (name, ".got") != 0
|
else if (strcmp (name, ".got") != 0
|
&& strcmp (name, ".sdata") != 0
|
&& strcmp (name, ".sdata") != 0
|
&& strcmp (name, ".sdata2") != 0
|
&& strcmp (name, ".sdata2") != 0
|
&& strcmp (name, ".dynbss") != 0
|
&& strcmp (name, ".dynbss") != 0
|
&& strcmp (name, ".dynsbss") != 0)
|
&& strcmp (name, ".dynsbss") != 0)
|
{
|
{
|
/* It's not one of our sections, so don't allocate space. */
|
/* It's not one of our sections, so don't allocate space. */
|
continue;
|
continue;
|
}
|
}
|
|
|
if (s->size == 0)
|
if (s->size == 0)
|
{
|
{
|
/* If we don't need this section, strip it from the
|
/* If we don't need this section, strip it from the
|
output file. This is mostly to handle .rela.bss and
|
output file. This is mostly to handle .rela.bss and
|
.rela.plt. We must create both sections in
|
.rela.plt. We must create both sections in
|
create_dynamic_sections, because they must be created
|
create_dynamic_sections, because they must be created
|
before the linker maps input sections to output
|
before the linker maps input sections to output
|
sections. The linker does that before
|
sections. The linker does that before
|
adjust_dynamic_symbol is called, and it is that
|
adjust_dynamic_symbol is called, and it is that
|
function which decides whether anything needs to go
|
function which decides whether anything needs to go
|
into these sections. */
|
into these sections. */
|
s->flags |= SEC_EXCLUDE;
|
s->flags |= SEC_EXCLUDE;
|
continue;
|
continue;
|
}
|
}
|
|
|
if ((s->flags & SEC_HAS_CONTENTS) == 0)
|
if ((s->flags & SEC_HAS_CONTENTS) == 0)
|
continue;
|
continue;
|
|
|
/* Allocate memory for the section contents. */
|
/* Allocate memory for the section contents. */
|
s->contents = bfd_zalloc (dynobj, s->size);
|
s->contents = bfd_zalloc (dynobj, s->size);
|
if (s->contents == NULL)
|
if (s->contents == NULL)
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
if (elf_hash_table (info)->dynamic_sections_created)
|
if (elf_hash_table (info)->dynamic_sections_created)
|
{
|
{
|
/* Add some entries to the .dynamic section. We fill in the
|
/* Add some entries to the .dynamic section. We fill in the
|
values later, in i370_elf_finish_dynamic_sections, but we
|
values later, in i370_elf_finish_dynamic_sections, but we
|
must add the entries now so that we get the correct size for
|
must add the entries now so that we get the correct size for
|
the .dynamic section. The DT_DEBUG entry is filled in by the
|
the .dynamic section. The DT_DEBUG entry is filled in by the
|
dynamic linker and used by the debugger. */
|
dynamic linker and used by the debugger. */
|
#define add_dynamic_entry(TAG, VAL) \
|
#define add_dynamic_entry(TAG, VAL) \
|
_bfd_elf_add_dynamic_entry (info, TAG, VAL)
|
_bfd_elf_add_dynamic_entry (info, TAG, VAL)
|
|
|
if (!info->shared)
|
if (!info->shared)
|
{
|
{
|
if (!add_dynamic_entry (DT_DEBUG, 0))
|
if (!add_dynamic_entry (DT_DEBUG, 0))
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
if (plt)
|
if (plt)
|
{
|
{
|
if (!add_dynamic_entry (DT_PLTGOT, 0)
|
if (!add_dynamic_entry (DT_PLTGOT, 0)
|
|| !add_dynamic_entry (DT_PLTRELSZ, 0)
|
|| !add_dynamic_entry (DT_PLTRELSZ, 0)
|
|| !add_dynamic_entry (DT_PLTREL, DT_RELA)
|
|| !add_dynamic_entry (DT_PLTREL, DT_RELA)
|
|| !add_dynamic_entry (DT_JMPREL, 0))
|
|| !add_dynamic_entry (DT_JMPREL, 0))
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
if (relocs)
|
if (relocs)
|
{
|
{
|
if (!add_dynamic_entry (DT_RELA, 0)
|
if (!add_dynamic_entry (DT_RELA, 0)
|
|| !add_dynamic_entry (DT_RELASZ, 0)
|
|| !add_dynamic_entry (DT_RELASZ, 0)
|
|| !add_dynamic_entry (DT_RELAENT, sizeof (Elf32_External_Rela)))
|
|| !add_dynamic_entry (DT_RELAENT, sizeof (Elf32_External_Rela)))
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
if (reltext)
|
if (reltext)
|
{
|
{
|
if (!add_dynamic_entry (DT_TEXTREL, 0))
|
if (!add_dynamic_entry (DT_TEXTREL, 0))
|
return FALSE;
|
return FALSE;
|
info->flags |= DF_TEXTREL;
|
info->flags |= DF_TEXTREL;
|
}
|
}
|
}
|
}
|
#undef add_dynamic_entry
|
#undef add_dynamic_entry
|
|
|
/* If we are generating a shared library, we generate a section
|
/* If we are generating a shared library, we generate a section
|
symbol for each output section. These are local symbols, which
|
symbol for each output section. These are local symbols, which
|
means that they must come first in the dynamic symbol table.
|
means that they must come first in the dynamic symbol table.
|
That means we must increment the dynamic symbol index of every
|
That means we must increment the dynamic symbol index of every
|
other dynamic symbol.
|
other dynamic symbol.
|
|
|
FIXME: We assume that there will never be relocations to
|
FIXME: We assume that there will never be relocations to
|
locations in linker-created sections that do not have
|
locations in linker-created sections that do not have
|
externally-visible names. Instead, we should work out precisely
|
externally-visible names. Instead, we should work out precisely
|
which sections relocations are targeted at. */
|
which sections relocations are targeted at. */
|
if (info->shared)
|
if (info->shared)
|
{
|
{
|
int c;
|
int c;
|
|
|
for (c = 0, s = output_bfd->sections; s != NULL; s = s->next)
|
for (c = 0, s = output_bfd->sections; s != NULL; s = s->next)
|
{
|
{
|
if ((s->flags & SEC_LINKER_CREATED) != 0
|
if ((s->flags & SEC_LINKER_CREATED) != 0
|
|| (s->flags & SEC_ALLOC) == 0)
|
|| (s->flags & SEC_ALLOC) == 0)
|
{
|
{
|
elf_section_data (s)->dynindx = -1;
|
elf_section_data (s)->dynindx = -1;
|
continue;
|
continue;
|
}
|
}
|
|
|
/* These symbols will have no names, so we don't need to
|
/* These symbols will have no names, so we don't need to
|
fiddle with dynstr_index. */
|
fiddle with dynstr_index. */
|
|
|
elf_section_data (s)->dynindx = c + 1;
|
elf_section_data (s)->dynindx = c + 1;
|
|
|
c++;
|
c++;
|
}
|
}
|
|
|
elf_link_hash_traverse (elf_hash_table (info),
|
elf_link_hash_traverse (elf_hash_table (info),
|
i370_elf_adjust_dynindx, & c);
|
i370_elf_adjust_dynindx, & c);
|
elf_hash_table (info)->dynsymcount += c;
|
elf_hash_table (info)->dynsymcount += c;
|
}
|
}
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* Look through the relocs for a section during the first phase, and
|
/* Look through the relocs for a section during the first phase, and
|
allocate space in the global offset table or procedure linkage
|
allocate space in the global offset table or procedure linkage
|
table. */
|
table. */
|
/* XXX hack alert bogus This routine is mostly all junk and almost
|
/* XXX hack alert bogus This routine is mostly all junk and almost
|
certainly does the wrong thing. Its here simply because it does
|
certainly does the wrong thing. Its here simply because it does
|
just enough to allow glibc-2.1 ld.so to compile & link. */
|
just enough to allow glibc-2.1 ld.so to compile & link. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
i370_elf_check_relocs (bfd *abfd,
|
i370_elf_check_relocs (bfd *abfd,
|
struct bfd_link_info *info,
|
struct bfd_link_info *info,
|
asection *sec,
|
asection *sec,
|
const Elf_Internal_Rela *relocs)
|
const Elf_Internal_Rela *relocs)
|
{
|
{
|
bfd *dynobj;
|
bfd *dynobj;
|
Elf_Internal_Shdr *symtab_hdr;
|
Elf_Internal_Shdr *symtab_hdr;
|
struct elf_link_hash_entry **sym_hashes;
|
struct elf_link_hash_entry **sym_hashes;
|
const Elf_Internal_Rela *rel;
|
const Elf_Internal_Rela *rel;
|
const Elf_Internal_Rela *rel_end;
|
const Elf_Internal_Rela *rel_end;
|
bfd_vma *local_got_offsets;
|
bfd_vma *local_got_offsets;
|
asection *sreloc;
|
asection *sreloc;
|
|
|
if (info->relocatable)
|
if (info->relocatable)
|
return TRUE;
|
return TRUE;
|
|
|
#ifdef DEBUG
|
#ifdef DEBUG
|
_bfd_error_handler ("i370_elf_check_relocs called for section %A in %B",
|
_bfd_error_handler ("i370_elf_check_relocs called for section %A in %B",
|
sec, abfd);
|
sec, abfd);
|
#endif
|
#endif
|
|
|
dynobj = elf_hash_table (info)->dynobj;
|
dynobj = elf_hash_table (info)->dynobj;
|
symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
|
symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
|
sym_hashes = elf_sym_hashes (abfd);
|
sym_hashes = elf_sym_hashes (abfd);
|
local_got_offsets = elf_local_got_offsets (abfd);
|
local_got_offsets = elf_local_got_offsets (abfd);
|
|
|
sreloc = NULL;
|
sreloc = NULL;
|
|
|
rel_end = relocs + sec->reloc_count;
|
rel_end = relocs + sec->reloc_count;
|
for (rel = relocs; rel < rel_end; rel++)
|
for (rel = relocs; rel < rel_end; rel++)
|
{
|
{
|
unsigned long r_symndx;
|
unsigned long r_symndx;
|
struct elf_link_hash_entry *h;
|
struct elf_link_hash_entry *h;
|
|
|
r_symndx = ELF32_R_SYM (rel->r_info);
|
r_symndx = ELF32_R_SYM (rel->r_info);
|
if (r_symndx < symtab_hdr->sh_info)
|
if (r_symndx < symtab_hdr->sh_info)
|
h = NULL;
|
h = NULL;
|
else
|
else
|
{
|
{
|
h = sym_hashes[r_symndx - symtab_hdr->sh_info];
|
h = sym_hashes[r_symndx - symtab_hdr->sh_info];
|
while (h->root.type == bfd_link_hash_indirect
|
while (h->root.type == bfd_link_hash_indirect
|
|| h->root.type == bfd_link_hash_warning)
|
|| h->root.type == bfd_link_hash_warning)
|
h = (struct elf_link_hash_entry *) h->root.u.i.link;
|
h = (struct elf_link_hash_entry *) h->root.u.i.link;
|
}
|
}
|
|
|
if (info->shared)
|
if (info->shared)
|
{
|
{
|
#ifdef DEBUG
|
#ifdef DEBUG
|
fprintf (stderr,
|
fprintf (stderr,
|
"i370_elf_check_relocs needs to create relocation for %s\n",
|
"i370_elf_check_relocs needs to create relocation for %s\n",
|
(h && h->root.root.string)
|
(h && h->root.root.string)
|
? h->root.root.string : "<unknown>");
|
? h->root.root.string : "<unknown>");
|
#endif
|
#endif
|
if (sreloc == NULL)
|
if (sreloc == NULL)
|
{
|
{
|
sreloc = _bfd_elf_make_dynamic_reloc_section
|
sreloc = _bfd_elf_make_dynamic_reloc_section
|
(sec, dynobj, 2, abfd, /*rela?*/ TRUE);
|
(sec, dynobj, 2, abfd, /*rela?*/ TRUE);
|
|
|
if (sreloc == NULL)
|
if (sreloc == NULL)
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
sreloc->size += sizeof (Elf32_External_Rela);
|
sreloc->size += sizeof (Elf32_External_Rela);
|
|
|
/* FIXME: We should here do what the m68k and i386
|
/* FIXME: We should here do what the m68k and i386
|
backends do: if the reloc is pc-relative, record it
|
backends do: if the reloc is pc-relative, record it
|
in case it turns out that the reloc is unnecessary
|
in case it turns out that the reloc is unnecessary
|
because the symbol is forced local by versioning or
|
because the symbol is forced local by versioning or
|
we are linking with -Bdynamic. Fortunately this
|
we are linking with -Bdynamic. Fortunately this
|
case is not frequent. */
|
case is not frequent. */
|
}
|
}
|
}
|
}
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* Finish up the dynamic sections. */
|
/* Finish up the dynamic sections. */
|
/* XXX hack alert bogus This routine is mostly all junk and almost
|
/* XXX hack alert bogus This routine is mostly all junk and almost
|
certainly does the wrong thing. Its here simply because it does
|
certainly does the wrong thing. Its here simply because it does
|
just enough to allow glibc-2.1 ld.so to compile & link. */
|
just enough to allow glibc-2.1 ld.so to compile & link. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
i370_elf_finish_dynamic_sections (bfd *output_bfd,
|
i370_elf_finish_dynamic_sections (bfd *output_bfd,
|
struct bfd_link_info *info)
|
struct bfd_link_info *info)
|
{
|
{
|
asection *sdyn;
|
asection *sdyn;
|
bfd *dynobj = elf_hash_table (info)->dynobj;
|
bfd *dynobj = elf_hash_table (info)->dynobj;
|
asection *sgot = bfd_get_section_by_name (dynobj, ".got");
|
asection *sgot = bfd_get_section_by_name (dynobj, ".got");
|
|
|
#ifdef DEBUG
|
#ifdef DEBUG
|
fprintf (stderr, "i370_elf_finish_dynamic_sections called\n");
|
fprintf (stderr, "i370_elf_finish_dynamic_sections called\n");
|
#endif
|
#endif
|
|
|
sdyn = bfd_get_section_by_name (dynobj, ".dynamic");
|
sdyn = bfd_get_section_by_name (dynobj, ".dynamic");
|
|
|
if (elf_hash_table (info)->dynamic_sections_created)
|
if (elf_hash_table (info)->dynamic_sections_created)
|
{
|
{
|
asection *splt;
|
asection *splt;
|
Elf32_External_Dyn *dyncon, *dynconend;
|
Elf32_External_Dyn *dyncon, *dynconend;
|
|
|
splt = bfd_get_section_by_name (dynobj, ".plt");
|
splt = bfd_get_section_by_name (dynobj, ".plt");
|
BFD_ASSERT (splt != NULL && sdyn != NULL);
|
BFD_ASSERT (splt != NULL && sdyn != NULL);
|
|
|
dyncon = (Elf32_External_Dyn *) sdyn->contents;
|
dyncon = (Elf32_External_Dyn *) sdyn->contents;
|
dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->size);
|
dynconend = (Elf32_External_Dyn *) (sdyn->contents + sdyn->size);
|
for (; dyncon < dynconend; dyncon++)
|
for (; dyncon < dynconend; dyncon++)
|
{
|
{
|
Elf_Internal_Dyn dyn;
|
Elf_Internal_Dyn dyn;
|
const char *name;
|
const char *name;
|
bfd_boolean size;
|
bfd_boolean size;
|
|
|
bfd_elf32_swap_dyn_in (dynobj, dyncon, &dyn);
|
bfd_elf32_swap_dyn_in (dynobj, dyncon, &dyn);
|
|
|
switch (dyn.d_tag)
|
switch (dyn.d_tag)
|
{
|
{
|
case DT_PLTGOT: name = ".plt"; size = FALSE; break;
|
case DT_PLTGOT: name = ".plt"; size = FALSE; break;
|
case DT_PLTRELSZ: name = ".rela.plt"; size = TRUE; break;
|
case DT_PLTRELSZ: name = ".rela.plt"; size = TRUE; break;
|
case DT_JMPREL: name = ".rela.plt"; size = FALSE; break;
|
case DT_JMPREL: name = ".rela.plt"; size = FALSE; break;
|
default: name = NULL; size = FALSE; break;
|
default: name = NULL; size = FALSE; break;
|
}
|
}
|
|
|
if (name != NULL)
|
if (name != NULL)
|
{
|
{
|
asection *s;
|
asection *s;
|
|
|
s = bfd_get_section_by_name (output_bfd, name);
|
s = bfd_get_section_by_name (output_bfd, name);
|
if (s == NULL)
|
if (s == NULL)
|
dyn.d_un.d_val = 0;
|
dyn.d_un.d_val = 0;
|
else
|
else
|
{
|
{
|
if (! size)
|
if (! size)
|
dyn.d_un.d_ptr = s->vma;
|
dyn.d_un.d_ptr = s->vma;
|
else
|
else
|
dyn.d_un.d_val = s->size;
|
dyn.d_un.d_val = s->size;
|
}
|
}
|
bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
|
bfd_elf32_swap_dyn_out (output_bfd, &dyn, dyncon);
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
if (sgot && sgot->size != 0)
|
if (sgot && sgot->size != 0)
|
{
|
{
|
unsigned char *contents = sgot->contents;
|
unsigned char *contents = sgot->contents;
|
|
|
if (sdyn == NULL)
|
if (sdyn == NULL)
|
bfd_put_32 (output_bfd, (bfd_vma) 0, contents);
|
bfd_put_32 (output_bfd, (bfd_vma) 0, contents);
|
else
|
else
|
bfd_put_32 (output_bfd,
|
bfd_put_32 (output_bfd,
|
sdyn->output_section->vma + sdyn->output_offset,
|
sdyn->output_section->vma + sdyn->output_offset,
|
contents);
|
contents);
|
|
|
elf_section_data (sgot->output_section)->this_hdr.sh_entsize = 4;
|
elf_section_data (sgot->output_section)->this_hdr.sh_entsize = 4;
|
}
|
}
|
|
|
if (info->shared)
|
if (info->shared)
|
{
|
{
|
asection *sdynsym;
|
asection *sdynsym;
|
asection *s;
|
asection *s;
|
Elf_Internal_Sym sym;
|
Elf_Internal_Sym sym;
|
int maxdindx = 0;
|
int maxdindx = 0;
|
|
|
/* Set up the section symbols for the output sections. */
|
/* Set up the section symbols for the output sections. */
|
|
|
sdynsym = bfd_get_section_by_name (dynobj, ".dynsym");
|
sdynsym = bfd_get_section_by_name (dynobj, ".dynsym");
|
BFD_ASSERT (sdynsym != NULL);
|
BFD_ASSERT (sdynsym != NULL);
|
|
|
sym.st_size = 0;
|
sym.st_size = 0;
|
sym.st_name = 0;
|
sym.st_name = 0;
|
sym.st_info = ELF_ST_INFO (STB_LOCAL, STT_SECTION);
|
sym.st_info = ELF_ST_INFO (STB_LOCAL, STT_SECTION);
|
sym.st_other = 0;
|
sym.st_other = 0;
|
|
|
for (s = output_bfd->sections; s != NULL; s = s->next)
|
for (s = output_bfd->sections; s != NULL; s = s->next)
|
{
|
{
|
int indx, dindx;
|
int indx, dindx;
|
Elf32_External_Sym *esym;
|
Elf32_External_Sym *esym;
|
|
|
sym.st_value = s->vma;
|
sym.st_value = s->vma;
|
|
|
indx = elf_section_data (s)->this_idx;
|
indx = elf_section_data (s)->this_idx;
|
dindx = elf_section_data (s)->dynindx;
|
dindx = elf_section_data (s)->dynindx;
|
if (dindx != -1)
|
if (dindx != -1)
|
{
|
{
|
BFD_ASSERT(indx > 0);
|
BFD_ASSERT(indx > 0);
|
BFD_ASSERT(dindx > 0);
|
BFD_ASSERT(dindx > 0);
|
|
|
if (dindx > maxdindx)
|
if (dindx > maxdindx)
|
maxdindx = dindx;
|
maxdindx = dindx;
|
|
|
sym.st_shndx = indx;
|
sym.st_shndx = indx;
|
|
|
esym = (Elf32_External_Sym *) sdynsym->contents + dindx;
|
esym = (Elf32_External_Sym *) sdynsym->contents + dindx;
|
bfd_elf32_swap_symbol_out (output_bfd, &sym, esym, NULL);
|
bfd_elf32_swap_symbol_out (output_bfd, &sym, esym, NULL);
|
}
|
}
|
}
|
}
|
|
|
/* Set the sh_info field of the output .dynsym section to the
|
/* Set the sh_info field of the output .dynsym section to the
|
index of the first global symbol. */
|
index of the first global symbol. */
|
elf_section_data (sdynsym->output_section)->this_hdr.sh_info =
|
elf_section_data (sdynsym->output_section)->this_hdr.sh_info =
|
maxdindx + 1;
|
maxdindx + 1;
|
}
|
}
|
|
|
return TRUE;
|
return TRUE;
|
}
|
}
|
|
|
/* The RELOCATE_SECTION function is called by the ELF backend linker
|
/* The RELOCATE_SECTION function is called by the ELF backend linker
|
to handle the relocations for a section.
|
to handle the relocations for a section.
|
|
|
The relocs are always passed as Rela structures; if the section
|
The relocs are always passed as Rela structures; if the section
|
actually uses Rel structures, the r_addend field will always be
|
actually uses Rel structures, the r_addend field will always be
|
zero.
|
zero.
|
|
|
This function is responsible for adjust the section contents as
|
This function is responsible for adjust the section contents as
|
necessary, and (if using Rela relocs and generating a
|
necessary, and (if using Rela relocs and generating a
|
relocatable output file) adjusting the reloc addend as
|
relocatable output file) adjusting the reloc addend as
|
necessary.
|
necessary.
|
|
|
This function does not have to worry about setting the reloc
|
This function does not have to worry about setting the reloc
|
address or the reloc symbol index.
|
address or the reloc symbol index.
|
|
|
LOCAL_SYMS is a pointer to the swapped in local symbols.
|
LOCAL_SYMS is a pointer to the swapped in local symbols.
|
|
|
LOCAL_SECTIONS is an array giving the section in the input file
|
LOCAL_SECTIONS is an array giving the section in the input file
|
corresponding to the st_shndx field of each local symbol.
|
corresponding to the st_shndx field of each local symbol.
|
|
|
The global hash table entry for the global symbols can be found
|
The global hash table entry for the global symbols can be found
|
via elf_sym_hashes (input_bfd).
|
via elf_sym_hashes (input_bfd).
|
|
|
When generating relocatable output, this function must handle
|
When generating relocatable output, this function must handle
|
STB_LOCAL/STT_SECTION symbols specially. The output symbol is
|
STB_LOCAL/STT_SECTION symbols specially. The output symbol is
|
going to be the section symbol corresponding to the output
|
going to be the section symbol corresponding to the output
|
section, which means that the addend must be adjusted
|
section, which means that the addend must be adjusted
|
accordingly. */
|
accordingly. */
|
|
|
static bfd_boolean
|
static bfd_boolean
|
i370_elf_relocate_section (bfd *output_bfd,
|
i370_elf_relocate_section (bfd *output_bfd,
|
struct bfd_link_info *info,
|
struct bfd_link_info *info,
|
bfd *input_bfd,
|
bfd *input_bfd,
|
asection *input_section,
|
asection *input_section,
|
bfd_byte *contents,
|
bfd_byte *contents,
|
Elf_Internal_Rela *relocs,
|
Elf_Internal_Rela *relocs,
|
Elf_Internal_Sym *local_syms,
|
Elf_Internal_Sym *local_syms,
|
asection **local_sections)
|
asection **local_sections)
|
{
|
{
|
Elf_Internal_Shdr *symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
|
Elf_Internal_Shdr *symtab_hdr = &elf_tdata (input_bfd)->symtab_hdr;
|
struct elf_link_hash_entry **sym_hashes = elf_sym_hashes (input_bfd);
|
struct elf_link_hash_entry **sym_hashes = elf_sym_hashes (input_bfd);
|
Elf_Internal_Rela *rel = relocs;
|
Elf_Internal_Rela *rel = relocs;
|
Elf_Internal_Rela *relend = relocs + input_section->reloc_count;
|
Elf_Internal_Rela *relend = relocs + input_section->reloc_count;
|
asection *sreloc = NULL;
|
asection *sreloc = NULL;
|
bfd_vma *local_got_offsets;
|
bfd_vma *local_got_offsets;
|
bfd_boolean ret = TRUE;
|
bfd_boolean ret = TRUE;
|
|
|
#ifdef DEBUG
|
#ifdef DEBUG
|
_bfd_error_handler ("i370_elf_relocate_section called for %B section %A, %ld relocations%s",
|
_bfd_error_handler ("i370_elf_relocate_section called for %B section %A, %ld relocations%s",
|
input_bfd, input_section,
|
input_bfd, input_section,
|
(long) input_section->reloc_count,
|
(long) input_section->reloc_count,
|
(info->relocatable) ? " (relocatable)" : "");
|
(info->relocatable) ? " (relocatable)" : "");
|
#endif
|
#endif
|
|
|
if (!i370_elf_howto_table[ R_I370_ADDR31 ])
|
if (!i370_elf_howto_table[ R_I370_ADDR31 ])
|
/* Initialize howto table if needed. */
|
/* Initialize howto table if needed. */
|
i370_elf_howto_init ();
|
i370_elf_howto_init ();
|
|
|
local_got_offsets = elf_local_got_offsets (input_bfd);
|
local_got_offsets = elf_local_got_offsets (input_bfd);
|
|
|
for (; rel < relend; rel++)
|
for (; rel < relend; rel++)
|
{
|
{
|
enum i370_reloc_type r_type = (enum i370_reloc_type) ELF32_R_TYPE (rel->r_info);
|
enum i370_reloc_type r_type = (enum i370_reloc_type) ELF32_R_TYPE (rel->r_info);
|
bfd_vma offset = rel->r_offset;
|
bfd_vma offset = rel->r_offset;
|
bfd_vma addend = rel->r_addend;
|
bfd_vma addend = rel->r_addend;
|
bfd_reloc_status_type r = bfd_reloc_other;
|
bfd_reloc_status_type r = bfd_reloc_other;
|
Elf_Internal_Sym *sym = NULL;
|
Elf_Internal_Sym *sym = NULL;
|
asection *sec = NULL;
|
asection *sec = NULL;
|
struct elf_link_hash_entry * h = NULL;
|
struct elf_link_hash_entry * h = NULL;
|
const char *sym_name = NULL;
|
const char *sym_name = NULL;
|
reloc_howto_type *howto;
|
reloc_howto_type *howto;
|
unsigned long r_symndx;
|
unsigned long r_symndx;
|
bfd_vma relocation;
|
bfd_vma relocation;
|
|
|
/* Unknown relocation handling. */
|
/* Unknown relocation handling. */
|
if ((unsigned) r_type >= (unsigned) R_I370_max
|
if ((unsigned) r_type >= (unsigned) R_I370_max
|
|| !i370_elf_howto_table[(int)r_type])
|
|| !i370_elf_howto_table[(int)r_type])
|
{
|
{
|
(*_bfd_error_handler) ("%B: unknown relocation type %d",
|
(*_bfd_error_handler) ("%B: unknown relocation type %d",
|
input_bfd,
|
input_bfd,
|
(int) r_type);
|
(int) r_type);
|
|
|
bfd_set_error (bfd_error_bad_value);
|
bfd_set_error (bfd_error_bad_value);
|
ret = FALSE;
|
ret = FALSE;
|
continue;
|
continue;
|
}
|
}
|
|
|
howto = i370_elf_howto_table[(int) r_type];
|
howto = i370_elf_howto_table[(int) r_type];
|
r_symndx = ELF32_R_SYM (rel->r_info);
|
r_symndx = ELF32_R_SYM (rel->r_info);
|
relocation = 0;
|
relocation = 0;
|
|
|
if (r_symndx < symtab_hdr->sh_info)
|
if (r_symndx < symtab_hdr->sh_info)
|
{
|
{
|
sym = local_syms + r_symndx;
|
sym = local_syms + r_symndx;
|
sec = local_sections[r_symndx];
|
sec = local_sections[r_symndx];
|
sym_name = "<local symbol>";
|
sym_name = "<local symbol>";
|
|
|
relocation = _bfd_elf_rela_local_sym (output_bfd, sym, & sec, rel);
|
relocation = _bfd_elf_rela_local_sym (output_bfd, sym, & sec, rel);
|
addend = rel->r_addend;
|
addend = rel->r_addend;
|
}
|
}
|
else
|
else
|
{
|
{
|
h = sym_hashes[r_symndx - symtab_hdr->sh_info];
|
h = sym_hashes[r_symndx - symtab_hdr->sh_info];
|
while (h->root.type == bfd_link_hash_indirect
|
while (h->root.type == bfd_link_hash_indirect
|
|| h->root.type == bfd_link_hash_warning)
|
|| h->root.type == bfd_link_hash_warning)
|
h = (struct elf_link_hash_entry *) h->root.u.i.link;
|
h = (struct elf_link_hash_entry *) h->root.u.i.link;
|
sym_name = h->root.root.string;
|
sym_name = h->root.root.string;
|
if (h->root.type == bfd_link_hash_defined
|
if (h->root.type == bfd_link_hash_defined
|
|| h->root.type == bfd_link_hash_defweak)
|
|| h->root.type == bfd_link_hash_defweak)
|
{
|
{
|
sec = h->root.u.def.section;
|
sec = h->root.u.def.section;
|
if (info->shared
|
if (info->shared
|
&& ((! info->symbolic && h->dynindx != -1)
|
&& ((! info->symbolic && h->dynindx != -1)
|
|| !h->def_regular)
|
|| !h->def_regular)
|
&& (input_section->flags & SEC_ALLOC) != 0
|
&& (input_section->flags & SEC_ALLOC) != 0
|
&& (r_type == R_I370_ADDR31
|
&& (r_type == R_I370_ADDR31
|
|| r_type == R_I370_COPY
|
|| r_type == R_I370_COPY
|
|| r_type == R_I370_ADDR16
|
|| r_type == R_I370_ADDR16
|
|| r_type == R_I370_RELATIVE))
|
|| r_type == R_I370_RELATIVE))
|
/* In these cases, we don't need the relocation
|
/* In these cases, we don't need the relocation
|
value. We check specially because in some
|
value. We check specially because in some
|
obscure cases sec->output_section will be NULL. */
|
obscure cases sec->output_section will be NULL. */
|
;
|
;
|
else
|
else
|
relocation = (h->root.u.def.value
|
relocation = (h->root.u.def.value
|
+ sec->output_section->vma
|
+ sec->output_section->vma
|
+ sec->output_offset);
|
+ sec->output_offset);
|
}
|
}
|
else if (h->root.type == bfd_link_hash_undefweak)
|
else if (h->root.type == bfd_link_hash_undefweak)
|
;
|
;
|
else if (info->unresolved_syms_in_objects == RM_IGNORE
|
else if (info->unresolved_syms_in_objects == RM_IGNORE
|
&& ELF_ST_VISIBILITY (h->other) == STV_DEFAULT)
|
&& ELF_ST_VISIBILITY (h->other) == STV_DEFAULT)
|
;
|
;
|
else if (!info->relocatable)
|
else if (!info->relocatable)
|
{
|
{
|
if ((*info->callbacks->undefined_symbol)
|
if ((*info->callbacks->undefined_symbol)
|
(info, h->root.root.string, input_bfd,
|
(info, h->root.root.string, input_bfd,
|
input_section, rel->r_offset,
|
input_section, rel->r_offset,
|
(info->unresolved_syms_in_objects == RM_GENERATE_ERROR
|
(info->unresolved_syms_in_objects == RM_GENERATE_ERROR
|
|| ELF_ST_VISIBILITY (h->other))))
|
|| ELF_ST_VISIBILITY (h->other))))
|
{
|
{
|
ret = FALSE;
|
ret = FALSE;
|
continue;
|
continue;
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
if (sec != NULL && elf_discarded_section (sec))
|
if (sec != NULL && elf_discarded_section (sec))
|
{
|
{
|
/* For relocs against symbols from removed linkonce sections,
|
/* For relocs against symbols from removed linkonce sections,
|
or sections discarded by a linker script, we just want the
|
or sections discarded by a linker script, we just want the
|
section contents zeroed. Avoid any special processing. */
|
section contents zeroed. Avoid any special processing. */
|
_bfd_clear_contents (howto, input_bfd, contents + rel->r_offset);
|
_bfd_clear_contents (howto, input_bfd, contents + rel->r_offset);
|
rel->r_info = 0;
|
rel->r_info = 0;
|
rel->r_addend = 0;
|
rel->r_addend = 0;
|
continue;
|
continue;
|
}
|
}
|
|
|
if (info->relocatable)
|
if (info->relocatable)
|
continue;
|
continue;
|
|
|
switch ((int) r_type)
|
switch ((int) r_type)
|
{
|
{
|
default:
|
default:
|
(*_bfd_error_handler)
|
(*_bfd_error_handler)
|
("%B: unknown relocation type %d for symbol %s",
|
("%B: unknown relocation type %d for symbol %s",
|
input_bfd, (int) r_type, sym_name);
|
input_bfd, (int) r_type, sym_name);
|
|
|
bfd_set_error (bfd_error_bad_value);
|
bfd_set_error (bfd_error_bad_value);
|
ret = FALSE;
|
ret = FALSE;
|
continue;
|
continue;
|
|
|
case (int) R_I370_NONE:
|
case (int) R_I370_NONE:
|
continue;
|
continue;
|
|
|
/* Relocations that may need to be propagated if this is a shared
|
/* Relocations that may need to be propagated if this is a shared
|
object. */
|
object. */
|
case (int) R_I370_REL31:
|
case (int) R_I370_REL31:
|
/* If these relocations are not to a named symbol, they can be
|
/* If these relocations are not to a named symbol, they can be
|
handled right here, no need to bother the dynamic linker. */
|
handled right here, no need to bother the dynamic linker. */
|
if (h == NULL
|
if (h == NULL
|
|| strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
|
|| strcmp (h->root.root.string, "_GLOBAL_OFFSET_TABLE_") == 0)
|
break;
|
break;
|
/* Fall through. */
|
/* Fall through. */
|
|
|
/* Relocations that always need to be propagated if this is a shared
|
/* Relocations that always need to be propagated if this is a shared
|
object. */
|
object. */
|
case (int) R_I370_ADDR31:
|
case (int) R_I370_ADDR31:
|
case (int) R_I370_ADDR16:
|
case (int) R_I370_ADDR16:
|
if (info->shared
|
if (info->shared
|
&& r_symndx != 0)
|
&& r_symndx != 0)
|
{
|
{
|
Elf_Internal_Rela outrel;
|
Elf_Internal_Rela outrel;
|
bfd_byte *loc;
|
bfd_byte *loc;
|
int skip;
|
int skip;
|
|
|
#ifdef DEBUG
|
#ifdef DEBUG
|
fprintf (stderr,
|
fprintf (stderr,
|
"i370_elf_relocate_section needs to create relocation for %s\n",
|
"i370_elf_relocate_section needs to create relocation for %s\n",
|
(h && h->root.root.string) ? h->root.root.string : "<unknown>");
|
(h && h->root.root.string) ? h->root.root.string : "<unknown>");
|
#endif
|
#endif
|
|
|
/* When generating a shared object, these relocations
|
/* When generating a shared object, these relocations
|
are copied into the output file to be resolved at run
|
are copied into the output file to be resolved at run
|
time. */
|
time. */
|
|
|
if (sreloc == NULL)
|
if (sreloc == NULL)
|
{
|
{
|
sreloc = _bfd_elf_get_dynamic_reloc_section
|
sreloc = _bfd_elf_get_dynamic_reloc_section
|
(input_bfd, input_section, /*rela?*/ TRUE);
|
(input_bfd, input_section, /*rela?*/ TRUE);
|
if (sreloc == NULL)
|
if (sreloc == NULL)
|
return FALSE;
|
return FALSE;
|
}
|
}
|
|
|
skip = 0;
|
skip = 0;
|
|
|
outrel.r_offset =
|
outrel.r_offset =
|
_bfd_elf_section_offset (output_bfd, info, input_section,
|
_bfd_elf_section_offset (output_bfd, info, input_section,
|
rel->r_offset);
|
rel->r_offset);
|
if (outrel.r_offset == (bfd_vma) -1
|
if (outrel.r_offset == (bfd_vma) -1
|
|| outrel.r_offset == (bfd_vma) -2)
|
|| outrel.r_offset == (bfd_vma) -2)
|
skip = (int) outrel.r_offset;
|
skip = (int) outrel.r_offset;
|
outrel.r_offset += (input_section->output_section->vma
|
outrel.r_offset += (input_section->output_section->vma
|
+ input_section->output_offset);
|
+ input_section->output_offset);
|
|
|
if (skip)
|
if (skip)
|
memset (&outrel, 0, sizeof outrel);
|
memset (&outrel, 0, sizeof outrel);
|
/* h->dynindx may be -1 if this symbol was marked to
|
/* h->dynindx may be -1 if this symbol was marked to
|
become local. */
|
become local. */
|
else if (h != NULL
|
else if (h != NULL
|
&& ((! info->symbolic && h->dynindx != -1)
|
&& ((! info->symbolic && h->dynindx != -1)
|
|| !h->def_regular))
|
|| !h->def_regular))
|
{
|
{
|
BFD_ASSERT (h->dynindx != -1);
|
BFD_ASSERT (h->dynindx != -1);
|
outrel.r_info = ELF32_R_INFO (h->dynindx, r_type);
|
outrel.r_info = ELF32_R_INFO (h->dynindx, r_type);
|
outrel.r_addend = rel->r_addend;
|
outrel.r_addend = rel->r_addend;
|
}
|
}
|
else
|
else
|
{
|
{
|
if (r_type == R_I370_ADDR31)
|
if (r_type == R_I370_ADDR31)
|
{
|
{
|
outrel.r_info = ELF32_R_INFO (0, R_I370_RELATIVE);
|
outrel.r_info = ELF32_R_INFO (0, R_I370_RELATIVE);
|
outrel.r_addend = relocation + rel->r_addend;
|
outrel.r_addend = relocation + rel->r_addend;
|
}
|
}
|
else
|
else
|
{
|
{
|
long indx;
|
long indx;
|
|
|
if (bfd_is_abs_section (sec))
|
if (bfd_is_abs_section (sec))
|
indx = 0;
|
indx = 0;
|
else if (sec == NULL || sec->owner == NULL)
|
else if (sec == NULL || sec->owner == NULL)
|
{
|
{
|
bfd_set_error (bfd_error_bad_value);
|
bfd_set_error (bfd_error_bad_value);
|
return FALSE;
|
return FALSE;
|
}
|
}
|
else
|
else
|
{
|
{
|
asection *osec;
|
asection *osec;
|
|
|
/* We are turning this relocation into one
|
/* We are turning this relocation into one
|
against a section symbol. It would be
|
against a section symbol. It would be
|
proper to subtract the symbol's value,
|
proper to subtract the symbol's value,
|
osec->vma, from the emitted reloc addend,
|
osec->vma, from the emitted reloc addend,
|
but ld.so expects buggy relocs. */
|
but ld.so expects buggy relocs. */
|
osec = sec->output_section;
|
osec = sec->output_section;
|
indx = elf_section_data (osec)->dynindx;
|
indx = elf_section_data (osec)->dynindx;
|
if (indx == 0)
|
if (indx == 0)
|
{
|
{
|
struct elf_link_hash_table *htab;
|
struct elf_link_hash_table *htab;
|
htab = elf_hash_table (info);
|
htab = elf_hash_table (info);
|
osec = htab->text_index_section;
|
osec = htab->text_index_section;
|
indx = elf_section_data (osec)->dynindx;
|
indx = elf_section_data (osec)->dynindx;
|
}
|
}
|
BFD_ASSERT (indx != 0);
|
BFD_ASSERT (indx != 0);
|
#ifdef DEBUG
|
#ifdef DEBUG
|
if (indx <= 0)
|
if (indx <= 0)
|
{
|
{
|
printf ("indx=%ld section=%s flags=%08x name=%s\n",
|
printf ("indx=%ld section=%s flags=%08x name=%s\n",
|
indx, osec->name, osec->flags,
|
indx, osec->name, osec->flags,
|
h->root.root.string);
|
h->root.root.string);
|
}
|
}
|
#endif
|
#endif
|
}
|
}
|
|
|
outrel.r_info = ELF32_R_INFO (indx, r_type);
|
outrel.r_info = ELF32_R_INFO (indx, r_type);
|
outrel.r_addend = relocation + rel->r_addend;
|
outrel.r_addend = relocation + rel->r_addend;
|
}
|
}
|
}
|
}
|
|
|
loc = sreloc->contents;
|
loc = sreloc->contents;
|
loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rela);
|
loc += sreloc->reloc_count++ * sizeof (Elf32_External_Rela);
|
bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
|
bfd_elf32_swap_reloca_out (output_bfd, &outrel, loc);
|
|
|
/* This reloc will be computed at runtime, so there's no
|
/* This reloc will be computed at runtime, so there's no
|
need to do anything now, unless this is a RELATIVE
|
need to do anything now, unless this is a RELATIVE
|
reloc in an unallocated section. */
|
reloc in an unallocated section. */
|
if (skip == -1
|
if (skip == -1
|
|| (input_section->flags & SEC_ALLOC) != 0
|
|| (input_section->flags & SEC_ALLOC) != 0
|
|| ELF32_R_TYPE (outrel.r_info) != R_I370_RELATIVE)
|
|| ELF32_R_TYPE (outrel.r_info) != R_I370_RELATIVE)
|
continue;
|
continue;
|
}
|
}
|
break;
|
break;
|
|
|
case (int) R_I370_COPY:
|
case (int) R_I370_COPY:
|
case (int) R_I370_RELATIVE:
|
case (int) R_I370_RELATIVE:
|
(*_bfd_error_handler)
|
(*_bfd_error_handler)
|
("%B: Relocation %s is not yet supported for symbol %s.",
|
("%B: Relocation %s is not yet supported for symbol %s.",
|
input_bfd,
|
input_bfd,
|
i370_elf_howto_table[(int) r_type]->name,
|
i370_elf_howto_table[(int) r_type]->name,
|
sym_name);
|
sym_name);
|
|
|
bfd_set_error (bfd_error_invalid_operation);
|
bfd_set_error (bfd_error_invalid_operation);
|
ret = FALSE;
|
ret = FALSE;
|
continue;
|
continue;
|
}
|
}
|
|
|
#ifdef DEBUG
|
#ifdef DEBUG
|
fprintf (stderr, "\ttype = %s (%d), name = %s, symbol index = %ld, offset = %ld, addend = %ld\n",
|
fprintf (stderr, "\ttype = %s (%d), name = %s, symbol index = %ld, offset = %ld, addend = %ld\n",
|
howto->name,
|
howto->name,
|
(int)r_type,
|
(int)r_type,
|
sym_name,
|
sym_name,
|
r_symndx,
|
r_symndx,
|
(long) offset,
|
(long) offset,
|
(long) addend);
|
(long) addend);
|
#endif
|
#endif
|
|
|
r = _bfd_final_link_relocate (howto, input_bfd, input_section, contents,
|
r = _bfd_final_link_relocate (howto, input_bfd, input_section, contents,
|
offset, relocation, addend);
|
offset, relocation, addend);
|
|
|
if (r != bfd_reloc_ok)
|
if (r != bfd_reloc_ok)
|
{
|
{
|
ret = FALSE;
|
ret = FALSE;
|
switch (r)
|
switch (r)
|
{
|
{
|
default:
|
default:
|
break;
|
break;
|
|
|
case bfd_reloc_overflow:
|
case bfd_reloc_overflow:
|
{
|
{
|
const char *name;
|
const char *name;
|
|
|
if (h != NULL)
|
if (h != NULL)
|
name = NULL;
|
name = NULL;
|
else
|
else
|
{
|
{
|
name = bfd_elf_string_from_elf_section (input_bfd,
|
name = bfd_elf_string_from_elf_section (input_bfd,
|
symtab_hdr->sh_link,
|
symtab_hdr->sh_link,
|
sym->st_name);
|
sym->st_name);
|
if (name == NULL)
|
if (name == NULL)
|
break;
|
break;
|
|
|
if (*name == '\0')
|
if (*name == '\0')
|
name = bfd_section_name (input_bfd, sec);
|
name = bfd_section_name (input_bfd, sec);
|
}
|
}
|
|
|
(*info->callbacks->reloc_overflow) (info,
|
(*info->callbacks->reloc_overflow) (info,
|
(h ? &h->root : NULL),
|
(h ? &h->root : NULL),
|
name,
|
name,
|
howto->name,
|
howto->name,
|
(bfd_vma) 0,
|
(bfd_vma) 0,
|
input_bfd,
|
input_bfd,
|
input_section,
|
input_section,
|
offset);
|
offset);
|
}
|
}
|
break;
|
break;
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
#ifdef DEBUG
|
#ifdef DEBUG
|
fprintf (stderr, "\n");
|
fprintf (stderr, "\n");
|
#endif
|
#endif
|
|
|
return ret;
|
return ret;
|
}
|
}
|
|
|
#define TARGET_BIG_SYM bfd_elf32_i370_vec
|
#define TARGET_BIG_SYM bfd_elf32_i370_vec
|
#define TARGET_BIG_NAME "elf32-i370"
|
#define TARGET_BIG_NAME "elf32-i370"
|
#define ELF_ARCH bfd_arch_i370
|
#define ELF_ARCH bfd_arch_i370
|
#define ELF_MACHINE_CODE EM_S370
|
#define ELF_MACHINE_CODE EM_S370
|
#ifdef EM_I370_OLD
|
#ifdef EM_I370_OLD
|
#define ELF_MACHINE_ALT1 EM_I370_OLD
|
#define ELF_MACHINE_ALT1 EM_I370_OLD
|
#endif
|
#endif
|
#define ELF_MAXPAGESIZE 0x1000
|
#define ELF_MAXPAGESIZE 0x1000
|
#define ELF_OSABI ELFOSABI_LINUX
|
#define ELF_OSABI ELFOSABI_LINUX
|
|
|
#define elf_info_to_howto i370_elf_info_to_howto
|
#define elf_info_to_howto i370_elf_info_to_howto
|
|
|
#define elf_backend_plt_not_loaded 1
|
#define elf_backend_plt_not_loaded 1
|
#define elf_backend_rela_normal 1
|
#define elf_backend_rela_normal 1
|
|
|
#define bfd_elf32_bfd_reloc_type_lookup i370_elf_reloc_type_lookup
|
#define bfd_elf32_bfd_reloc_type_lookup i370_elf_reloc_type_lookup
|
#define bfd_elf32_bfd_reloc_name_lookup i370_elf_reloc_name_lookup
|
#define bfd_elf32_bfd_reloc_name_lookup i370_elf_reloc_name_lookup
|
#define bfd_elf32_bfd_set_private_flags i370_elf_set_private_flags
|
#define bfd_elf32_bfd_set_private_flags i370_elf_set_private_flags
|
#define bfd_elf32_bfd_merge_private_bfd_data i370_elf_merge_private_bfd_data
|
#define bfd_elf32_bfd_merge_private_bfd_data i370_elf_merge_private_bfd_data
|
#define elf_backend_relocate_section i370_elf_relocate_section
|
#define elf_backend_relocate_section i370_elf_relocate_section
|
|
|
/* Dynamic loader support is mostly broken; just enough here to be able to
|
/* Dynamic loader support is mostly broken; just enough here to be able to
|
link glibc's ld.so without errors. */
|
link glibc's ld.so without errors. */
|
#define elf_backend_create_dynamic_sections i370_elf_create_dynamic_sections
|
#define elf_backend_create_dynamic_sections i370_elf_create_dynamic_sections
|
#define elf_backend_size_dynamic_sections i370_elf_size_dynamic_sections
|
#define elf_backend_size_dynamic_sections i370_elf_size_dynamic_sections
|
#define elf_backend_init_index_section _bfd_elf_init_1_index_section
|
#define elf_backend_init_index_section _bfd_elf_init_1_index_section
|
#define elf_backend_finish_dynamic_sections i370_elf_finish_dynamic_sections
|
#define elf_backend_finish_dynamic_sections i370_elf_finish_dynamic_sections
|
#define elf_backend_fake_sections i370_elf_fake_sections
|
#define elf_backend_fake_sections i370_elf_fake_sections
|
#define elf_backend_section_from_shdr i370_elf_section_from_shdr
|
#define elf_backend_section_from_shdr i370_elf_section_from_shdr
|
#define elf_backend_adjust_dynamic_symbol i370_elf_adjust_dynamic_symbol
|
#define elf_backend_adjust_dynamic_symbol i370_elf_adjust_dynamic_symbol
|
#define elf_backend_check_relocs i370_elf_check_relocs
|
#define elf_backend_check_relocs i370_elf_check_relocs
|
#define elf_backend_post_process_headers _bfd_elf_set_osabi
|
#define elf_backend_post_process_headers _bfd_elf_set_osabi
|
|
|
static int
|
static int
|
i370_noop (void)
|
i370_noop (void)
|
{
|
{
|
return 1;
|
return 1;
|
}
|
}
|
|
|
#define elf_backend_finish_dynamic_symbol \
|
#define elf_backend_finish_dynamic_symbol \
|
(bfd_boolean (*) \
|
(bfd_boolean (*) \
|
(bfd *, struct bfd_link_info *, struct elf_link_hash_entry *, \
|
(bfd *, struct bfd_link_info *, struct elf_link_hash_entry *, \
|
Elf_Internal_Sym *)) i370_noop
|
Elf_Internal_Sym *)) i370_noop
|
|
|
#include "elf32-target.h"
|
#include "elf32-target.h"
|
|
|
