/* BFD back-end for ALPHA Extended-Coff files.
- Copyright 1993, 1994 Free Software Foundation, Inc.
+ Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
+ 2003, 2004, 2005, 2007, 2008, 2009 Free Software Foundation, Inc.
Modified from coff-mips.c by Steve Chamberlain <sac@cygnus.com> and
Ian Lance Taylor <ian@cygnus.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 3 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., 675 Mass Ave, Cambridge, MA 02139, 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., 51 Franklin Street - Fifth Floor, Boston,
+ MA 02110-1301, USA. */
-#include "bfd.h"
#include "sysdep.h"
+#include "bfd.h"
#include "bfdlink.h"
#include "libbfd.h"
#include "coff/internal.h"
#include "coff/symconst.h"
#include "coff/ecoff.h"
#include "coff/alpha.h"
+#include "aout/ar.h"
#include "libcoff.h"
#include "libecoff.h"
\f
/* Prototypes for static functions. */
-static bfd_target *alpha_ecoff_object_p PARAMS ((bfd *));
-static boolean alpha_ecoff_bad_format_hook PARAMS ((bfd *abfd, PTR filehdr));
-static void alpha_ecoff_swap_reloc_in PARAMS ((bfd *, PTR,
- struct internal_reloc *));
-static void alpha_ecoff_swap_reloc_out PARAMS ((bfd *,
- const struct internal_reloc *,
- PTR));
-static void alpha_adjust_reloc_in PARAMS ((bfd *,
- const struct internal_reloc *,
- arelent *));
-static void alpha_adjust_reloc_out PARAMS ((bfd *, const arelent *,
- struct internal_reloc *));
+static const bfd_target *alpha_ecoff_object_p
+ PARAMS ((bfd *));
+static bfd_boolean alpha_ecoff_bad_format_hook
+ PARAMS ((bfd *abfd, PTR filehdr));
+static PTR alpha_ecoff_mkobject_hook
+ PARAMS ((bfd *, PTR filehdr, PTR aouthdr));
+static void alpha_ecoff_swap_reloc_in
+ PARAMS ((bfd *, PTR, struct internal_reloc *));
+static void alpha_ecoff_swap_reloc_out
+ PARAMS ((bfd *, const struct internal_reloc *, PTR));
+static void alpha_adjust_reloc_in
+ PARAMS ((bfd *, const struct internal_reloc *, arelent *));
+static void alpha_adjust_reloc_out
+ PARAMS ((bfd *, const arelent *, struct internal_reloc *));
+static reloc_howto_type *alpha_bfd_reloc_type_lookup
+ PARAMS ((bfd *, bfd_reloc_code_real_type));
static bfd_byte *alpha_ecoff_get_relocated_section_contents
PARAMS ((bfd *abfd, struct bfd_link_info *, struct bfd_link_order *,
- bfd_byte *data, boolean relocateable, asymbol **symbols));
+ bfd_byte *data, bfd_boolean relocatable, asymbol **symbols));
static bfd_vma alpha_convert_external_reloc
PARAMS ((bfd *, struct bfd_link_info *, bfd *, struct external_reloc *,
struct ecoff_link_hash_entry *));
-static boolean alpha_relocate_section PARAMS ((bfd *, struct bfd_link_info *,
- bfd *, asection *,
- bfd_byte *, PTR));
+static bfd_boolean alpha_relocate_section
+ PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, PTR));
+static bfd_boolean alpha_adjust_headers
+ PARAMS ((bfd *, struct internal_filehdr *, struct internal_aouthdr *));
+static PTR alpha_ecoff_read_ar_hdr
+ PARAMS ((bfd *));
+static bfd *alpha_ecoff_get_elt_at_filepos
+ PARAMS ((bfd *, file_ptr));
+static bfd *alpha_ecoff_openr_next_archived_file
+ PARAMS ((bfd *, bfd *));
+static bfd *alpha_ecoff_get_elt_at_index
+ PARAMS ((bfd *, symindex));
\f
/* ECOFF has COFF sections, but the debugging information is stored in
a completely different format. ECOFF targets use some of the
symbol, and lineno ones. Give them ecoff names. Define some
accessor macros for the large sizes used for Alpha ECOFF. */
-#define GET_FILEHDR_SYMPTR bfd_h_get_64
-#define PUT_FILEHDR_SYMPTR bfd_h_put_64
-#define GET_AOUTHDR_TSIZE bfd_h_get_64
-#define PUT_AOUTHDR_TSIZE bfd_h_put_64
-#define GET_AOUTHDR_DSIZE bfd_h_get_64
-#define PUT_AOUTHDR_DSIZE bfd_h_put_64
-#define GET_AOUTHDR_BSIZE bfd_h_get_64
-#define PUT_AOUTHDR_BSIZE bfd_h_put_64
-#define GET_AOUTHDR_ENTRY bfd_h_get_64
-#define PUT_AOUTHDR_ENTRY bfd_h_put_64
-#define GET_AOUTHDR_TEXT_START bfd_h_get_64
-#define PUT_AOUTHDR_TEXT_START bfd_h_put_64
-#define GET_AOUTHDR_DATA_START bfd_h_get_64
-#define PUT_AOUTHDR_DATA_START bfd_h_put_64
-#define GET_SCNHDR_PADDR bfd_h_get_64
-#define PUT_SCNHDR_PADDR bfd_h_put_64
-#define GET_SCNHDR_VADDR bfd_h_get_64
-#define PUT_SCNHDR_VADDR bfd_h_put_64
-#define GET_SCNHDR_SIZE bfd_h_get_64
-#define PUT_SCNHDR_SIZE bfd_h_put_64
-#define GET_SCNHDR_SCNPTR bfd_h_get_64
-#define PUT_SCNHDR_SCNPTR bfd_h_put_64
-#define GET_SCNHDR_RELPTR bfd_h_get_64
-#define PUT_SCNHDR_RELPTR bfd_h_put_64
-#define GET_SCNHDR_LNNOPTR bfd_h_get_64
-#define PUT_SCNHDR_LNNOPTR bfd_h_put_64
+#define GET_FILEHDR_SYMPTR H_GET_64
+#define PUT_FILEHDR_SYMPTR H_PUT_64
+#define GET_AOUTHDR_TSIZE H_GET_64
+#define PUT_AOUTHDR_TSIZE H_PUT_64
+#define GET_AOUTHDR_DSIZE H_GET_64
+#define PUT_AOUTHDR_DSIZE H_PUT_64
+#define GET_AOUTHDR_BSIZE H_GET_64
+#define PUT_AOUTHDR_BSIZE H_PUT_64
+#define GET_AOUTHDR_ENTRY H_GET_64
+#define PUT_AOUTHDR_ENTRY H_PUT_64
+#define GET_AOUTHDR_TEXT_START H_GET_64
+#define PUT_AOUTHDR_TEXT_START H_PUT_64
+#define GET_AOUTHDR_DATA_START H_GET_64
+#define PUT_AOUTHDR_DATA_START H_PUT_64
+#define GET_SCNHDR_PADDR H_GET_64
+#define PUT_SCNHDR_PADDR H_PUT_64
+#define GET_SCNHDR_VADDR H_GET_64
+#define PUT_SCNHDR_VADDR H_PUT_64
+#define GET_SCNHDR_SIZE H_GET_64
+#define PUT_SCNHDR_SIZE H_PUT_64
+#define GET_SCNHDR_SCNPTR H_GET_64
+#define PUT_SCNHDR_SCNPTR H_PUT_64
+#define GET_SCNHDR_RELPTR H_GET_64
+#define PUT_SCNHDR_RELPTR H_PUT_64
+#define GET_SCNHDR_LNNOPTR H_GET_64
+#define PUT_SCNHDR_LNNOPTR H_PUT_64
#define ALPHAECOFF
\f
/* How to process the various reloc types. */
-static bfd_reloc_status_type
-reloc_nil PARAMS ((bfd *, arelent *, asymbol *, PTR,
- asection *, bfd *, char **));
+static bfd_reloc_status_type reloc_nil
+ PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
static bfd_reloc_status_type
reloc_nil (abfd, reloc, sym, data, sec, output_bfd, error_message)
- bfd *abfd;
- arelent *reloc;
- asymbol *sym;
- PTR data;
- asection *sec;
- bfd *output_bfd;
- char **error_message;
+ bfd *abfd ATTRIBUTE_UNUSED;
+ arelent *reloc ATTRIBUTE_UNUSED;
+ asymbol *sym ATTRIBUTE_UNUSED;
+ PTR data ATTRIBUTE_UNUSED;
+ asection *sec ATTRIBUTE_UNUSED;
+ bfd *output_bfd ATTRIBUTE_UNUSED;
+ char **error_message ATTRIBUTE_UNUSED;
{
return bfd_reloc_ok;
}
0, /* rightshift */
0, /* size (0 = byte, 1 = short, 2 = long) */
8, /* bitsize */
- true, /* pc_relative */
+ TRUE, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
reloc_nil, /* special_function */
"IGNORE", /* name */
- true, /* partial_inplace */
+ TRUE, /* partial_inplace */
0, /* src_mask */
0, /* dst_mask */
- true), /* pcrel_offset */
+ TRUE), /* pcrel_offset */
/* A 32 bit reference to a symbol. */
HOWTO (ALPHA_R_REFLONG, /* type */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
32, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
0, /* special_function */
"REFLONG", /* name */
- true, /* partial_inplace */
+ TRUE, /* partial_inplace */
0xffffffff, /* src_mask */
0xffffffff, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* A 64 bit reference to a symbol. */
HOWTO (ALPHA_R_REFQUAD, /* type */
0, /* rightshift */
4, /* size (0 = byte, 1 = short, 2 = long) */
64, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
0, /* special_function */
"REFQUAD", /* name */
- true, /* partial_inplace */
+ TRUE, /* partial_inplace */
MINUS_ONE, /* src_mask */
MINUS_ONE, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* A 32 bit GP relative offset. This is just like REFLONG except
that when the value is used the value of the gp register will be
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
32, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_bitfield, /* complain_on_overflow */
0, /* special_function */
"GPREL32", /* name */
- true, /* partial_inplace */
+ TRUE, /* partial_inplace */
0xffffffff, /* src_mask */
0xffffffff, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* Used for an instruction that refers to memory off the GP
register. The offset is 16 bits of the 32 bit instruction. This
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
0, /* special_function */
"LITERAL", /* name */
- true, /* partial_inplace */
+ TRUE, /* partial_inplace */
0xffff, /* src_mask */
0xffff, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* This reloc only appears immediately following a LITERAL reloc.
It identifies a use of the literal. It seems that the linker can
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
32, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
reloc_nil, /* special_function */
"LITUSE", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0, /* src_mask */
0, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* Load the gp register. This is always used for a ldah instruction
which loads the upper 16 bits of the gp register. The next reloc
16, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
- true, /* pc_relative */
+ TRUE, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
reloc_nil, /* special_function */
"GPDISP", /* name */
- true, /* partial_inplace */
+ TRUE, /* partial_inplace */
0xffff, /* src_mask */
0xffff, /* dst_mask */
- true), /* pcrel_offset */
+ TRUE), /* pcrel_offset */
/* A 21 bit branch. The native assembler generates these for
branches within the text segment, and also fills in the PC
2, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
21, /* bitsize */
- true, /* pc_relative */
+ TRUE, /* pc_relative */
0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
0, /* special_function */
"BRADDR", /* name */
- true, /* partial_inplace */
+ TRUE, /* partial_inplace */
0x1fffff, /* src_mask */
0x1fffff, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* A hint for a jump to a register. */
HOWTO (ALPHA_R_HINT, /* type */
2, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
14, /* bitsize */
- true, /* pc_relative */
+ TRUE, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
0, /* special_function */
"HINT", /* name */
- true, /* partial_inplace */
+ TRUE, /* partial_inplace */
0x3fff, /* src_mask */
0x3fff, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* 16 bit PC relative offset. */
HOWTO (ALPHA_R_SREL16, /* type */
0, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
- true, /* pc_relative */
+ TRUE, /* pc_relative */
0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
0, /* special_function */
"SREL16", /* name */
- true, /* partial_inplace */
+ TRUE, /* partial_inplace */
0xffff, /* src_mask */
0xffff, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* 32 bit PC relative offset. */
HOWTO (ALPHA_R_SREL32, /* type */
0, /* rightshift */
2, /* size (0 = byte, 1 = short, 2 = long) */
32, /* bitsize */
- true, /* pc_relative */
+ TRUE, /* pc_relative */
0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
0, /* special_function */
"SREL32", /* name */
- true, /* partial_inplace */
+ TRUE, /* partial_inplace */
0xffffffff, /* src_mask */
0xffffffff, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* A 64 bit PC relative offset. */
HOWTO (ALPHA_R_SREL64, /* type */
0, /* rightshift */
4, /* size (0 = byte, 1 = short, 2 = long) */
64, /* bitsize */
- true, /* pc_relative */
+ TRUE, /* pc_relative */
0, /* bitpos */
complain_overflow_signed, /* complain_on_overflow */
0, /* special_function */
"SREL64", /* name */
- true, /* partial_inplace */
+ TRUE, /* partial_inplace */
MINUS_ONE, /* src_mask */
MINUS_ONE, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* Push a value on the reloc evaluation stack. */
HOWTO (ALPHA_R_OP_PUSH, /* type */
0, /* rightshift */
0, /* size (0 = byte, 1 = short, 2 = long) */
0, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
0, /* special_function */
"OP_PUSH", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0, /* src_mask */
0, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* Store the value from the stack at the given address. Store it in
a bitfield of size r_size starting at bit position r_offset. */
0, /* rightshift */
4, /* size (0 = byte, 1 = short, 2 = long) */
64, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
0, /* special_function */
"OP_STORE", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0, /* src_mask */
MINUS_ONE, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* Subtract the reloc address from the value on the top of the
relocation stack. */
0, /* rightshift */
0, /* size (0 = byte, 1 = short, 2 = long) */
0, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
0, /* special_function */
"OP_PSUB", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0, /* src_mask */
0, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* Shift the value on the top of the relocation stack right by the
given value. */
0, /* rightshift */
0, /* size (0 = byte, 1 = short, 2 = long) */
0, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
0, /* special_function */
"OP_PRSHIFT", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0, /* src_mask */
0, /* dst_mask */
- false), /* pcrel_offset */
+ FALSE), /* pcrel_offset */
/* Adjust the GP value for a new range in the object file. */
HOWTO (ALPHA_R_GPVALUE, /* type */
0, /* rightshift */
0, /* size (0 = byte, 1 = short, 2 = long) */
0, /* bitsize */
- false, /* pc_relative */
+ FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
0, /* special_function */
"GPVALUE", /* name */
- false, /* partial_inplace */
+ FALSE, /* partial_inplace */
0, /* src_mask */
0, /* dst_mask */
- false) /* pcrel_offset */
+ FALSE) /* pcrel_offset */
};
\f
/* Recognize an Alpha ECOFF file. */
-static bfd_target *
+static const bfd_target *
alpha_ecoff_object_p (abfd)
bfd *abfd;
{
- static bfd_target *ret;
+ static const bfd_target *ret;
ret = coff_object_p (abfd);
- if (ret != (bfd_target *) NULL)
+ if (ret != NULL)
{
asection *sec;
bfd_size_type size;
size = sec->line_filepos * 8;
- BFD_ASSERT (size == bfd_section_size (abfd, sec)
- || size + 8 == bfd_section_size (abfd, sec));
+ BFD_ASSERT (size == sec->size
+ || size + 8 == sec->size);
if (! bfd_set_section_size (abfd, sec, size))
return NULL;
}
/* See whether the magic number matches. */
-static boolean
+static bfd_boolean
alpha_ecoff_bad_format_hook (abfd, filehdr)
- bfd *abfd;
+ bfd *abfd ATTRIBUTE_UNUSED;
PTR filehdr;
{
struct internal_filehdr *internal_f = (struct internal_filehdr *) filehdr;
- if (ALPHA_ECOFF_BADMAG (*internal_f))
- return false;
+ if (! ALPHA_ECOFF_BADMAG (*internal_f))
+ return TRUE;
+
+ if (ALPHA_ECOFF_COMPRESSEDMAG (*internal_f))
+ (*_bfd_error_handler)
+ (_("%B: Cannot handle compressed Alpha binaries.\n"
+ " Use compiler flags, or objZ, to generate uncompressed binaries."),
+ abfd);
+
+ return FALSE;
+}
+
+/* This is a hook called by coff_real_object_p to create any backend
+ specific information. */
- return true;
+static PTR
+alpha_ecoff_mkobject_hook (abfd, filehdr, aouthdr)
+ bfd *abfd;
+ PTR filehdr;
+ PTR aouthdr;
+{
+ PTR ecoff;
+
+ ecoff = _bfd_ecoff_mkobject_hook (abfd, filehdr, aouthdr);
+
+ if (ecoff != NULL)
+ {
+ struct internal_filehdr *internal_f = (struct internal_filehdr *) filehdr;
+
+ /* Set additional BFD flags according to the object type from the
+ machine specific file header flags. */
+ switch (internal_f->f_flags & F_ALPHA_OBJECT_TYPE_MASK)
+ {
+ case F_ALPHA_SHARABLE:
+ abfd->flags |= DYNAMIC;
+ break;
+ case F_ALPHA_CALL_SHARED:
+ /* Always executable if using shared libraries as the run time
+ loader might resolve undefined references. */
+ abfd->flags |= (DYNAMIC | EXEC_P);
+ break;
+ }
+ }
+ return ecoff;
}
\f
/* Reloc handling. */
{
const RELOC *ext = (RELOC *) ext_ptr;
- intern->r_vaddr = bfd_h_get_64 (abfd, (bfd_byte *) ext->r_vaddr);
- intern->r_symndx = bfd_h_get_32 (abfd, (bfd_byte *) ext->r_symndx);
+ intern->r_vaddr = H_GET_64 (abfd, ext->r_vaddr);
+ intern->r_symndx = H_GET_32 (abfd, ext->r_symndx);
- BFD_ASSERT (abfd->xvec->header_byteorder_big_p == false);
+ BFD_ASSERT (bfd_header_little_endian (abfd));
intern->r_type = ((ext->r_bits[0] & RELOC_BITS0_TYPE_LITTLE)
>> RELOC_BITS0_TYPE_SH_LITTLE);
/* The IGNORE reloc generally follows a GPDISP reloc, and is
against the .lita section. The section is irrelevant. */
if (! intern->r_extern &&
- (intern->r_symndx == RELOC_SECTION_NONE
- || intern->r_symndx == RELOC_SECTION_ABS))
+ intern->r_symndx == RELOC_SECTION_ABS)
abort ();
if (! intern->r_extern && intern->r_symndx == RELOC_SECTION_LITA)
- intern->r_symndx = RELOC_SECTION_NONE;
+ intern->r_symndx = RELOC_SECTION_ABS;
}
}
}
else if (intern->r_type == ALPHA_R_IGNORE
&& ! intern->r_extern
- && intern->r_symndx == RELOC_SECTION_NONE)
+ && intern->r_symndx == RELOC_SECTION_ABS)
{
symndx = RELOC_SECTION_LITA;
size = intern->r_size;
size = intern->r_size;
}
+ /* XXX FIXME: The maximum symndx value used to be 14 but this
+ fails with object files produced by DEC's C++ compiler.
+ Where does the value 14 (or 15) come from anyway ? */
BFD_ASSERT (intern->r_extern
- || (intern->r_symndx >= 0 && intern->r_symndx <= 14));
+ || (intern->r_symndx >= 0 && intern->r_symndx <= 15));
- bfd_h_put_64 (abfd, intern->r_vaddr, (bfd_byte *) ext->r_vaddr);
- bfd_h_put_32 (abfd, symndx, (bfd_byte *) ext->r_symndx);
+ H_PUT_64 (abfd, intern->r_vaddr, ext->r_vaddr);
+ H_PUT_32 (abfd, symndx, ext->r_symndx);
- BFD_ASSERT (abfd->xvec->header_byteorder_big_p == false);
+ BFD_ASSERT (bfd_header_little_endian (abfd));
ext->r_bits[0] = ((intern->r_type << RELOC_BITS0_TYPE_SH_LITTLE)
& RELOC_BITS0_TYPE_LITTLE);
arelent *rptr;
{
if (intern->r_type > ALPHA_R_GPVALUE)
- abort ();
+ {
+ (*_bfd_error_handler)
+ (_("%B: unknown/unsupported relocation type %d"),
+ abfd, intern->r_type);
+ bfd_set_error (bfd_error_bad_value);
+ rptr->addend = 0;
+ rptr->howto = NULL;
+ return;
+ }
switch (intern->r_type)
{
case ALPHA_R_SREL16:
case ALPHA_R_SREL32:
case ALPHA_R_SREL64:
- /* The PC relative relocs do not seem to use the section VMA as
- a negative addend. */
- rptr->addend = 0;
+ /* This relocs appear to be fully resolved when they are against
+ internal symbols. Against external symbols, BRADDR at least
+ appears to be resolved against the next instruction. */
+ if (! intern->r_extern)
+ rptr->addend = 0;
+ else
+ rptr->addend = - (intern->r_vaddr + 4);
break;
case ALPHA_R_GPREL32:
case ALPHA_R_OP_STORE:
/* The STORE reloc needs the size and offset fields. We store
them in the addend. */
- BFD_ASSERT (intern->r_offset <= 256 && intern->r_size <= 256);
+ BFD_ASSERT (intern->r_offset <= 256);
rptr->addend = (intern->r_offset << 8) + intern->r_size;
break;
some reason the address of this reloc type is not adjusted by
the section vma. We record the gp value for this object file
here, for convenience when doing the GPDISP relocation. */
- rptr->sym_ptr_ptr = bfd_abs_section.symbol_ptr_ptr;
+ rptr->sym_ptr_ptr = bfd_abs_section_ptr->symbol_ptr_ptr;
rptr->address = intern->r_vaddr;
rptr->addend = ecoff_data (abfd)->gp;
break;
static void
alpha_adjust_reloc_out (abfd, rel, intern)
- bfd *abfd;
+ bfd *abfd ATTRIBUTE_UNUSED;
const arelent *rel;
struct internal_reloc *intern;
{
case ALPHA_R_IGNORE:
intern->r_vaddr = rel->address;
- if (intern->r_symndx == RELOC_SECTION_ABS)
- intern->r_symndx = RELOC_SECTION_NONE;
break;
default:
static bfd_byte *
alpha_ecoff_get_relocated_section_contents (abfd, link_info, link_order,
- data, relocateable, symbols)
+ data, relocatable, symbols)
bfd *abfd;
struct bfd_link_info *link_info;
struct bfd_link_order *link_order;
bfd_byte *data;
- boolean relocateable;
+ bfd_boolean relocatable;
asymbol **symbols;
{
bfd *input_bfd = link_order->u.indirect.section->owner;
asection *input_section = link_order->u.indirect.section;
- size_t reloc_size = bfd_get_reloc_upper_bound (input_bfd, input_section);
- arelent **reloc_vector = (arelent **) alloca (reloc_size);
- bfd *output_bfd = relocateable ? abfd : (bfd *) NULL;
+ long reloc_size = bfd_get_reloc_upper_bound (input_bfd, input_section);
+ arelent **reloc_vector = NULL;
+ long reloc_count;
+ bfd *output_bfd = relocatable ? abfd : (bfd *) NULL;
bfd_vma gp;
- boolean gp_undefined;
+ bfd_size_type sz;
+ bfd_boolean gp_undefined;
bfd_vma stack[RELOC_STACKSIZE];
int tos = 0;
- if (! bfd_get_section_contents (input_bfd, input_section, data,
- (file_ptr) 0, input_section->_raw_size))
- return NULL;
+ if (reloc_size < 0)
+ goto error_return;
+ reloc_vector = (arelent **) bfd_malloc ((bfd_size_type) reloc_size);
+ if (reloc_vector == NULL && reloc_size != 0)
+ goto error_return;
- /* The section size is not going to change. */
- input_section->_cooked_size = input_section->_raw_size;
- input_section->reloc_done = true;
+ sz = input_section->rawsize ? input_section->rawsize : input_section->size;
+ if (! bfd_get_section_contents (input_bfd, input_section, data, 0, sz))
+ goto error_return;
- if (bfd_canonicalize_reloc (input_bfd, input_section, reloc_vector,
- symbols)
- == 0)
- return data;
+ reloc_count = bfd_canonicalize_reloc (input_bfd, input_section,
+ reloc_vector, symbols);
+ if (reloc_count < 0)
+ goto error_return;
+ if (reloc_count == 0)
+ goto successful_return;
/* Get the GP value for the output BFD. */
- gp_undefined = false;
- if (ecoff_data (abfd)->gp == 0)
+ gp_undefined = FALSE;
+ gp = _bfd_get_gp_value (abfd);
+ if (gp == 0)
{
- if (relocateable != false)
+ if (relocatable)
{
asection *sec;
bfd_vma lo;
|| strcmp (sec->name, ".lita") == 0))
lo = sec->vma;
}
- ecoff_data (abfd)->gp = lo + 0x8000;
+ gp = lo + 0x8000;
+ _bfd_set_gp_value (abfd, gp);
}
else
{
struct bfd_link_hash_entry *h;
- h = bfd_link_hash_lookup (link_info->hash, "_gp", false, false,
- true);
+ h = bfd_link_hash_lookup (link_info->hash, "_gp", FALSE, FALSE,
+ TRUE);
if (h == (struct bfd_link_hash_entry *) NULL
|| h->type != bfd_link_hash_defined)
- gp_undefined = true;
+ gp_undefined = TRUE;
else
- ecoff_data (abfd)->gp = (h->u.def.value
- + h->u.def.section->output_section->vma
- + h->u.def.section->output_offset);
+ {
+ gp = (h->u.def.value
+ + h->u.def.section->output_section->vma
+ + h->u.def.section->output_offset);
+ _bfd_set_gp_value (abfd, gp);
+ }
}
}
- gp = ecoff_data (abfd)->gp;
for (; *reloc_vector != (arelent *) NULL; reloc_vector++)
{
case ALPHA_R_SREL16:
case ALPHA_R_SREL32:
case ALPHA_R_SREL64:
- if (relocateable
+ if (relocatable
&& ((*rel->sym_ptr_ptr)->flags & BSF_SECTION_SYM) == 0)
{
rel->address += input_section->output_offset;
if (r == bfd_reloc_ok && gp_undefined)
{
r = bfd_reloc_dangerous;
- err = (char *) "GP relative relocation used when GP not defined";
+ err = (char *) _("GP relative relocation used when GP not defined");
}
break;
{
r = bfd_reloc_dangerous;
err =
- (char *) "GP relative relocation used when GP not defined";
+ (char *) _("GP relative relocation used when GP not defined");
}
}
break;
does not cause anything to happen, itself. */
rel->address += input_section->output_offset;
break;
-
+
case ALPHA_R_GPDISP:
/* This marks the ldah of an ldah/lda pair which loads the
gp register with the difference of the gp value and the
current location. The second of the pair is r_size bytes
- ahead, and is marked with an ALPHA_R_IGNORE reloc. */
+ ahead; it used to be marked with an ALPHA_R_IGNORE reloc,
+ but that no longer happens in OSF/1 3.2. */
{
unsigned long insn1, insn2;
bfd_vma addend;
- BFD_ASSERT (reloc_vector[1] != NULL
- && reloc_vector[1]->howto->type == ALPHA_R_IGNORE
- && (rel->address + rel->addend
- == reloc_vector[1]->address));
-
/* Get the two instructions. */
insn1 = bfd_get_32 (input_bfd, data + rel->address);
insn2 = bfd_get_32 (input_bfd, data + rel->address + rel->addend);
/* The existing addend includes the different between the
gp of the input BFD and the address in the input BFD.
Subtract this out. */
- addend -= (reloc_vector[1]->addend
+ addend -= (ecoff_data (input_bfd)->gp
- (input_section->vma + rel->address));
/* Now add in the final gp value, and subtract out the
rel->address += input_section->output_offset;
}
break;
-
+
case ALPHA_R_OP_PUSH:
/* Push a value on the reloc evaluation stack. */
{
asymbol *symbol;
bfd_vma relocation;
- if (relocateable)
+ if (relocatable)
{
rel->address += input_section->output_offset;
break;
/* Figure out the relocation of this symbol. */
symbol = *rel->sym_ptr_ptr;
- if (symbol->section == &bfd_und_section)
+ if (bfd_is_und_section (symbol->section))
r = bfd_reloc_undefined;
if (bfd_is_com_section (symbol->section))
bfd_vma val;
int offset, size;
- if (relocateable)
+ if (relocatable)
{
rel->address += input_section->output_offset;
break;
asymbol *symbol;
bfd_vma relocation;
- if (relocateable)
+ if (relocatable)
{
rel->address += input_section->output_offset;
break;
/* Figure out the relocation of this symbol. */
symbol = *rel->sym_ptr_ptr;
- if (symbol->section == &bfd_und_section)
+ if (bfd_is_und_section (symbol->section))
r = bfd_reloc_undefined;
if (bfd_is_com_section (symbol->section))
asymbol *symbol;
bfd_vma relocation;
- if (relocateable)
+ if (relocatable)
{
rel->address += input_section->output_offset;
break;
/* Figure out the relocation of this symbol. */
symbol = *rel->sym_ptr_ptr;
- if (symbol->section == &bfd_und_section)
+ if (bfd_is_und_section (symbol->section))
r = bfd_reloc_undefined;
if (bfd_is_com_section (symbol->section))
stack[tos - 1] >>= relocation;
}
break;
-
+
case ALPHA_R_GPVALUE:
/* I really don't know if this does the right thing. */
gp = rel->addend;
- gp_undefined = false;
+ gp_undefined = FALSE;
break;
default:
abort ();
}
- if (relocateable)
+ if (relocatable)
{
asection *os = input_section->output_section;
os->reloc_count++;
}
- if (r != bfd_reloc_ok)
+ if (r != bfd_reloc_ok)
{
switch (r)
{
case bfd_reloc_undefined:
if (! ((*link_info->callbacks->undefined_symbol)
(link_info, bfd_asymbol_name (*rel->sym_ptr_ptr),
- input_bfd, input_section, rel->address)))
- return NULL;
+ input_bfd, input_section, rel->address, TRUE)))
+ goto error_return;
break;
- case bfd_reloc_dangerous:
+ case bfd_reloc_dangerous:
if (! ((*link_info->callbacks->reloc_dangerous)
(link_info, err, input_bfd, input_section,
rel->address)))
- return NULL;
+ goto error_return;
break;
case bfd_reloc_overflow:
if (! ((*link_info->callbacks->reloc_overflow)
- (link_info, bfd_asymbol_name (*rel->sym_ptr_ptr),
+ (link_info, NULL,
+ bfd_asymbol_name (*rel->sym_ptr_ptr),
rel->howto->name, rel->addend, input_bfd,
input_section, rel->address)))
- return NULL;
+ goto error_return;
break;
case bfd_reloc_outofrange:
default:
if (tos != 0)
abort ();
+ successful_return:
+ if (reloc_vector != NULL)
+ free (reloc_vector);
return data;
+
+ error_return:
+ if (reloc_vector != NULL)
+ free (reloc_vector);
+ return NULL;
}
/* Get the howto structure for a generic reloc type. */
-static CONST struct reloc_howto_struct *
+static reloc_howto_type *
alpha_bfd_reloc_type_lookup (abfd, code)
- bfd *abfd;
+ bfd *abfd ATTRIBUTE_UNUSED;
bfd_reloc_code_real_type code;
{
int alpha_type;
alpha_type = ALPHA_R_REFLONG;
break;
case BFD_RELOC_64:
+ case BFD_RELOC_CTOR:
alpha_type = ALPHA_R_REFQUAD;
break;
case BFD_RELOC_GPREL32:
case BFD_RELOC_64_PCREL:
alpha_type = ALPHA_R_SREL64;
break;
-#if 0
- case ???:
- alpha_type = ALPHA_R_OP_PUSH;
- break;
- case ???:
- alpha_type = ALPHA_R_OP_STORE;
- break;
- case ???:
- alpha_type = ALPHA_R_OP_PSUB;
- break;
- case ???:
- alpha_type = ALPHA_R_OP_PRSHIFT;
- break;
- case ???:
- alpha_type = ALPHA_R_GPVALUE;
- break;
-#endif
default:
- return (CONST struct reloc_howto_struct *) NULL;
+ return (reloc_howto_type *) NULL;
}
return &alpha_howto_table[alpha_type];
}
+
+static reloc_howto_type *
+alpha_bfd_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
+ const char *r_name)
+{
+ unsigned int i;
+
+ for (i = 0;
+ i < sizeof (alpha_howto_table) / sizeof (alpha_howto_table[0]);
+ i++)
+ if (alpha_howto_table[i].name != NULL
+ && strcasecmp (alpha_howto_table[i].name, r_name) == 0)
+ return &alpha_howto_table[i];
+
+ return NULL;
+}
\f
/* A helper routine for alpha_relocate_section which converts an
- external reloc when generating relocateable output. Returns the
+ external reloc when generating relocatable output. Returns the
relocation amount. */
static bfd_vma
alpha_convert_external_reloc (output_bfd, info, input_bfd, ext_rel, h)
- bfd *output_bfd;
+ bfd *output_bfd ATTRIBUTE_UNUSED;
struct bfd_link_info *info;
bfd *input_bfd;
struct external_reloc *ext_rel;
unsigned long r_symndx;
bfd_vma relocation;
- BFD_ASSERT (info->relocateable);
+ BFD_ASSERT (info->relocatable);
- if (h->root.type == bfd_link_hash_defined)
+ if (h->root.type == bfd_link_hash_defined
+ || h->root.type == bfd_link_hash_defweak)
{
asection *hsec;
const char *name;
hsec = h->root.u.def.section;
name = bfd_get_section_name (output_bfd, hsec->output_section);
- r_symndx = -1;
+ r_symndx = (unsigned long) -1;
switch (name[1])
{
case 'A':
case 'r':
if (strcmp (name, ".rdata") == 0)
r_symndx = RELOC_SECTION_RDATA;
+ else if (strcmp (name, ".rconst") == 0)
+ r_symndx = RELOC_SECTION_RCONST;
break;
case 's':
if (strcmp (name, ".sdata") == 0)
r_symndx = RELOC_SECTION_XDATA;
break;
}
-
- if (r_symndx == -1)
+
+ if (r_symndx == (unsigned long) -1)
abort ();
/* Add the section VMA and the symbol value. */
/* Change the symndx value to the right one for
the output BFD. */
r_symndx = h->indx;
- if (r_symndx == -1)
+ if (r_symndx == (unsigned long) -1)
{
/* Caller must give an error. */
r_symndx = 0;
}
/* Write out the new r_symndx value. */
- bfd_h_put_32 (input_bfd, (bfd_vma) r_symndx,
- (bfd_byte *) ext_rel->r_symndx);
+ H_PUT_32 (input_bfd, r_symndx, ext_rel->r_symndx);
return relocation;
}
quite similar to get_relocated_section_contents. Perhaps they
could be combined somehow. */
-static boolean
+static bfd_boolean
alpha_relocate_section (output_bfd, info, input_bfd, input_section,
contents, external_relocs)
bfd *output_bfd;
bfd_byte *contents;
PTR external_relocs;
{
- asection **symndx_to_section;
+ asection **symndx_to_section, *lita_sec;
struct ecoff_link_hash_entry **sym_hashes;
bfd_vma gp;
- boolean gp_undefined;
+ bfd_boolean gp_undefined;
bfd_vma stack[RELOC_STACKSIZE];
int tos = 0;
struct external_reloc *ext_rel;
struct external_reloc *ext_rel_end;
+ bfd_size_type amt;
/* We keep a table mapping the symndx found in an internal reloc to
the appropriate section. This is faster than looking up the
symndx_to_section = ecoff_data (input_bfd)->symndx_to_section;
if (symndx_to_section == (asection **) NULL)
{
- symndx_to_section = ((asection **)
- bfd_alloc (input_bfd,
- (NUM_RELOC_SECTIONS
- * sizeof (asection *))));
+ amt = NUM_RELOC_SECTIONS * sizeof (asection *);
+ symndx_to_section = (asection **) bfd_alloc (input_bfd, amt);
if (!symndx_to_section)
- {
- bfd_set_error (bfd_error_no_memory);
- return false;
- }
+ return FALSE;
symndx_to_section[RELOC_SECTION_NONE] = NULL;
symndx_to_section[RELOC_SECTION_TEXT] =
bfd_get_section_by_name (input_bfd, ".fini");
symndx_to_section[RELOC_SECTION_LITA] =
bfd_get_section_by_name (input_bfd, ".lita");
- symndx_to_section[RELOC_SECTION_ABS] = &bfd_abs_section;
+ symndx_to_section[RELOC_SECTION_ABS] = bfd_abs_section_ptr;
+ symndx_to_section[RELOC_SECTION_RCONST] =
+ bfd_get_section_by_name (input_bfd, ".rconst");
ecoff_data (input_bfd)->symndx_to_section = symndx_to_section;
}
sym_hashes = ecoff_data (input_bfd)->sym_hashes;
- gp = ecoff_data (output_bfd)->gp;
- if (gp == 0)
- gp_undefined = true;
- else
- gp_undefined = false;
+ /* On the Alpha, the .lita section must be addressable by the global
+ pointer. To support large programs, we need to allow multiple
+ global pointers. This works as long as each input .lita section
+ is <64KB big. This implies that when producing relocatable
+ output, the .lita section is limited to 64KB. . */
+
+ lita_sec = symndx_to_section[RELOC_SECTION_LITA];
+ gp = _bfd_get_gp_value (output_bfd);
+ if (! info->relocatable && lita_sec != NULL)
+ {
+ struct ecoff_section_tdata *lita_sec_data;
+
+ /* Make sure we have a section data structure to which we can
+ hang on to the gp value we pick for the section. */
+ lita_sec_data = ecoff_section_data (input_bfd, lita_sec);
+ if (lita_sec_data == NULL)
+ {
+ amt = sizeof (struct ecoff_section_tdata);
+ lita_sec_data = ((struct ecoff_section_tdata *)
+ bfd_zalloc (input_bfd, amt));
+ lita_sec->used_by_bfd = lita_sec_data;
+ }
+
+ if (lita_sec_data->gp != 0)
+ {
+ /* If we already assigned a gp to this section, we better
+ stick with that value. */
+ gp = lita_sec_data->gp;
+ }
+ else
+ {
+ bfd_vma lita_vma;
+ bfd_size_type lita_size;
+
+ lita_vma = lita_sec->output_offset + lita_sec->output_section->vma;
+ lita_size = lita_sec->size;
+
+ if (gp == 0
+ || lita_vma < gp - 0x8000
+ || lita_vma + lita_size >= gp + 0x8000)
+ {
+ /* Either gp hasn't been set at all or the current gp
+ cannot address this .lita section. In both cases we
+ reset the gp to point into the "middle" of the
+ current input .lita section. */
+ if (gp && !ecoff_data (output_bfd)->issued_multiple_gp_warning)
+ {
+ (*info->callbacks->warning) (info,
+ _("using multiple gp values"),
+ (char *) NULL, output_bfd,
+ (asection *) NULL, (bfd_vma) 0);
+ ecoff_data (output_bfd)->issued_multiple_gp_warning = TRUE;
+ }
+ if (lita_vma < gp - 0x8000)
+ gp = lita_vma + lita_size - 0x8000;
+ else
+ gp = lita_vma + 0x8000;
+
+ }
+
+ lita_sec_data->gp = gp;
+ }
+
+ _bfd_set_gp_value (output_bfd, gp);
+ }
- BFD_ASSERT (output_bfd->xvec->header_byteorder_big_p == false);
- BFD_ASSERT (input_bfd->xvec->header_byteorder_big_p == false);
+ gp_undefined = (gp == 0);
+
+ BFD_ASSERT (bfd_header_little_endian (output_bfd));
+ BFD_ASSERT (bfd_header_little_endian (input_bfd));
ext_rel = (struct external_reloc *) external_relocs;
ext_rel_end = ext_rel + input_section->reloc_count;
int r_extern;
int r_offset;
int r_size;
- boolean relocatep;
- boolean adjust_addrp;
- boolean gp_usedp;
+ bfd_boolean relocatep;
+ bfd_boolean adjust_addrp;
+ bfd_boolean gp_usedp;
bfd_vma addend;
- r_vaddr = bfd_h_get_64 (input_bfd, (bfd_byte *) ext_rel->r_vaddr);
- r_symndx = bfd_h_get_32 (input_bfd, (bfd_byte *) ext_rel->r_symndx);
+ r_vaddr = H_GET_64 (input_bfd, ext_rel->r_vaddr);
+ r_symndx = H_GET_32 (input_bfd, ext_rel->r_symndx);
r_type = ((ext_rel->r_bits[0] & RELOC_BITS0_TYPE_LITTLE)
>> RELOC_BITS0_TYPE_SH_LITTLE);
r_size = ((ext_rel->r_bits[3] & RELOC_BITS3_SIZE_LITTLE)
>> RELOC_BITS3_SIZE_SH_LITTLE);
- relocatep = false;
- adjust_addrp = true;
- gp_usedp = false;
+ relocatep = FALSE;
+ adjust_addrp = TRUE;
+ gp_usedp = FALSE;
addend = 0;
switch (r_type)
{
+ case ALPHA_R_GPRELHIGH:
+ (*_bfd_error_handler)
+ (_("%B: unsupported relocation: ALPHA_R_GPRELHIGH"),
+ input_bfd);
+ bfd_set_error (bfd_error_bad_value);
+ continue;
+
+ case ALPHA_R_GPRELLOW:
+ (*_bfd_error_handler)
+ (_("%B: unsupported relocation: ALPHA_R_GPRELLOW"),
+ input_bfd);
+ bfd_set_error (bfd_error_bad_value);
+ continue;
+
default:
- abort ();
+ (*_bfd_error_handler)
+ (_("%B: unknown relocation type %d"),
+ input_bfd, (int) r_type);
+ bfd_set_error (bfd_error_bad_value);
+ continue;
case ALPHA_R_IGNORE:
- /* This reloc appears after a GPDISP reloc. It marks the
- position of the second instruction to be altered by the
- GPDISP reloc, but is not otherwise used for anything.
- For some reason, the address of the relocation does not
- appear to include the section VMA, unlike the other
- relocation types. */
- if (info->relocateable)
- bfd_h_put_64 (input_bfd,
- input_section->output_offset + r_vaddr,
- (bfd_byte *) ext_rel->r_vaddr);
- adjust_addrp = false;
+ /* This reloc appears after a GPDISP reloc. On earlier
+ versions of OSF/1, It marked the position of the second
+ instruction to be altered by the GPDISP reloc, but it is
+ not otherwise used for anything. For some reason, the
+ address of the relocation does not appear to include the
+ section VMA, unlike the other relocation types. */
+ if (info->relocatable)
+ H_PUT_64 (input_bfd, input_section->output_offset + r_vaddr,
+ ext_rel->r_vaddr);
+ adjust_addrp = FALSE;
break;
case ALPHA_R_REFLONG:
case ALPHA_R_REFQUAD:
- case ALPHA_R_BRADDR:
case ALPHA_R_HINT:
+ relocatep = TRUE;
+ break;
+
+ case ALPHA_R_BRADDR:
case ALPHA_R_SREL16:
case ALPHA_R_SREL32:
case ALPHA_R_SREL64:
- relocatep = true;
+ if (r_extern)
+ addend += - (r_vaddr + 4);
+ relocatep = TRUE;
break;
case ALPHA_R_GPREL32:
bit offset from the current GP value. We must adjust it
by the different between the original GP value and the
current GP value. */
- relocatep = true;
+ relocatep = TRUE;
addend = ecoff_data (input_bfd)->gp - gp;
- gp_usedp = true;
+ gp_usedp = TRUE;
break;
case ALPHA_R_LITERAL:
|| ((insn >> 26) & 0x3f) == 0x28);
}
- relocatep = true;
+ relocatep = TRUE;
addend = ecoff_data (input_bfd)->gp - gp;
- gp_usedp = true;
+ gp_usedp = TRUE;
break;
case ALPHA_R_LITUSE:
/* See ALPHA_R_LITERAL above for the uses of this reloc. It
does not cause anything to happen, itself. */
break;
-
+
case ALPHA_R_GPDISP:
/* This marks the ldah of an ldah/lda pair which loads the
gp register with the difference of the gp value and the
current location. The second of the pair is r_symndx
- bytes ahead, and is also marked with an ALPHA_R_IGNORE
- reloc. */
+ bytes ahead. It used to be marked with an ALPHA_R_IGNORE
+ reloc, but OSF/1 3.2 no longer does that. */
{
unsigned long insn1, insn2;
- BFD_ASSERT (ext_rel + 1 < ext_rel_end
- && (((ext_rel + 1)->r_bits[0]
- & RELOC_BITS0_TYPE_LITTLE)
- >> RELOC_BITS0_TYPE_SH_LITTLE) == ALPHA_R_IGNORE
- && (bfd_h_get_64 (input_bfd,
- (bfd_byte *) (ext_rel + 1)->r_vaddr)
- == r_vaddr - input_section->vma + r_symndx));
-
/* Get the two instructions. */
insn1 = bfd_get_32 (input_bfd,
contents + r_vaddr - input_section->vma);
bfd_put_32 (input_bfd, (bfd_vma) insn2,
contents + r_vaddr - input_section->vma + r_symndx);
- gp_usedp = true;
+ gp_usedp = TRUE;
}
break;
-
+
case ALPHA_R_OP_PUSH:
case ALPHA_R_OP_PSUB:
case ALPHA_R_OP_PRSHIFT:
if (h == (struct ecoff_link_hash_entry *) NULL)
abort ();
- if (! info->relocateable)
+ if (! info->relocatable)
{
- if (h->root.type == bfd_link_hash_defined)
+ if (h->root.type == bfd_link_hash_defined
+ || h->root.type == bfd_link_hash_defweak)
addend = (h->root.u.def.value
+ h->root.u.def.section->output_section->vma
+ h->root.u.def.section->output_offset);
relocated. */
if (! ((*info->callbacks->undefined_symbol)
(info, h->root.root.string, input_bfd,
- input_section, (bfd_vma) 0)))
- return false;
+ input_section, (bfd_vma) 0, TRUE)))
+ return FALSE;
addend = 0;
}
}
else
{
if (h->root.type != bfd_link_hash_defined
+ && h->root.type != bfd_link_hash_defweak
&& h->indx == -1)
{
/* This symbol is not being written out. Pass
if (! ((*info->callbacks->unattached_reloc)
(info, h->root.root.string, input_bfd,
input_section, (bfd_vma) 0)))
- return false;
+ return FALSE;
}
addend = alpha_convert_external_reloc (output_bfd, info,
addend += r_vaddr;
- if (info->relocateable)
+ if (info->relocatable)
{
/* Adjust r_vaddr by the addend. */
- bfd_h_put_64 (input_bfd, addend,
- (bfd_byte *) ext_rel->r_vaddr);
+ H_PUT_64 (input_bfd, addend, ext_rel->r_vaddr);
}
else
{
}
}
- adjust_addrp = false;
+ adjust_addrp = FALSE;
break;
case ALPHA_R_OP_STORE:
/* Store a value from the reloc stack into a bitfield. If
- we are generating relocateable output, all we do is
+ we are generating relocatable output, all we do is
adjust the address of the reloc. */
- if (! info->relocateable)
+ if (! info->relocatable)
{
+ bfd_vma mask;
bfd_vma val;
if (tos == 0)
abort ();
+ /* Get the relocation mask. The separate steps and the
+ casts to bfd_vma are attempts to avoid a bug in the
+ Alpha OSF 1.3 C compiler. See reloc.c for more
+ details. */
+ mask = 1;
+ mask <<= (bfd_vma) r_size;
+ mask -= 1;
+
/* FIXME: I don't know what kind of overflow checking,
if any, should be done here. */
val = bfd_get_64 (input_bfd,
contents + r_vaddr - input_section->vma);
- val &=~ (((1 << r_size) - 1) << r_offset);
- val |= (stack[--tos] & ((1 << r_size) - 1)) << r_offset;
+ val &=~ mask << (bfd_vma) r_offset;
+ val |= (stack[--tos] & mask) << (bfd_vma) r_offset;
bfd_put_64 (input_bfd, val,
contents + r_vaddr - input_section->vma);
}
case ALPHA_R_GPVALUE:
/* I really don't know if this does the right thing. */
gp = ecoff_data (input_bfd)->gp + r_symndx;
- gp_undefined = false;
+ gp_undefined = FALSE;
break;
}
abort ();
}
- if (info->relocateable)
+ if (info->relocatable)
{
- /* We are generating relocateable output, and must
+ /* We are generating relocatable output, and must
convert the existing reloc. */
if (r_extern)
{
if (h->root.type != bfd_link_hash_defined
+ && h->root.type != bfd_link_hash_defweak
&& h->indx == -1)
{
/* This symbol is not being written out. */
if (! ((*info->callbacks->unattached_reloc)
(info, h->root.root.string, input_bfd,
input_section, r_vaddr - input_section->vma)))
- return false;
+ return FALSE;
}
relocation = alpha_convert_external_reloc (output_bfd,
if (r_extern)
{
/* This is a reloc against a symbol. */
- if (h->root.type == bfd_link_hash_defined)
+ if (h->root.type == bfd_link_hash_defined
+ || h->root.type == bfd_link_hash_defweak)
{
asection *hsec;
if (! ((*info->callbacks->undefined_symbol)
(info, h->root.root.string, input_bfd,
input_section,
- r_vaddr - input_section->vma)))
- return false;
+ r_vaddr - input_section->vma, TRUE)))
+ return FALSE;
relocation = 0;
}
}
name = bfd_section_name (input_bfd,
symndx_to_section[r_symndx]);
if (! ((*info->callbacks->reloc_overflow)
- (info, name, alpha_howto_table[r_type].name,
+ (info, NULL, name,
+ alpha_howto_table[r_type].name,
(bfd_vma) 0, input_bfd, input_section,
r_vaddr - input_section->vma)))
- return false;
+ return FALSE;
}
break;
}
}
}
- if (info->relocateable && adjust_addrp)
+ if (info->relocatable && adjust_addrp)
{
/* Change the address of the relocation. */
- bfd_h_put_64 (input_bfd,
- (input_section->output_section->vma
- + input_section->output_offset
- - input_section->vma
- + r_vaddr),
- (bfd_byte *) ext_rel->r_vaddr);
+ H_PUT_64 (input_bfd,
+ (input_section->output_section->vma
+ + input_section->output_offset
+ - input_section->vma
+ + r_vaddr),
+ ext_rel->r_vaddr);
}
if (gp_usedp && gp_undefined)
{
if (! ((*info->callbacks->reloc_dangerous)
- (info, "GP relative relocation when GP not defined",
+ (info, _("GP relative relocation used when GP not defined"),
input_bfd, input_section, r_vaddr - input_section->vma)))
- return false;
+ return FALSE;
/* Only give the error once per link. */
- ecoff_data (output_bfd)->gp = gp = 4;
- gp_undefined = false;
+ gp = 4;
+ _bfd_set_gp_value (output_bfd, gp);
+ gp_undefined = FALSE;
}
}
if (tos != 0)
abort ();
- return true;
+ return TRUE;
+}
+\f
+/* Do final adjustments to the filehdr and the aouthdr. This routine
+ sets the dynamic bits in the file header. */
+
+static bfd_boolean
+alpha_adjust_headers (abfd, fhdr, ahdr)
+ bfd *abfd;
+ struct internal_filehdr *fhdr;
+ struct internal_aouthdr *ahdr ATTRIBUTE_UNUSED;
+{
+ if ((abfd->flags & (DYNAMIC | EXEC_P)) == (DYNAMIC | EXEC_P))
+ fhdr->f_flags |= F_ALPHA_CALL_SHARED;
+ else if ((abfd->flags & DYNAMIC) != 0)
+ fhdr->f_flags |= F_ALPHA_SHARABLE;
+ return TRUE;
}
\f
-#define ecoff_core_file_p _bfd_dummy_target
-#define ecoff_core_file_failing_command _bfd_dummy_core_file_failing_command
-#define ecoff_core_file_failing_signal _bfd_dummy_core_file_failing_signal
-#define ecoff_core_file_matches_executable_p \
- _bfd_dummy_core_file_matches_executable_p
+/* Archive handling. In OSF/1 (or Digital Unix) v3.2, Digital
+ introduced archive packing, in which the elements in an archive are
+ optionally compressed using a simple dictionary scheme. We know
+ how to read such archives, but we don't write them. */
+
+#define alpha_ecoff_slurp_armap _bfd_ecoff_slurp_armap
+#define alpha_ecoff_slurp_extended_name_table \
+ _bfd_ecoff_slurp_extended_name_table
+#define alpha_ecoff_construct_extended_name_table \
+ _bfd_ecoff_construct_extended_name_table
+#define alpha_ecoff_truncate_arname _bfd_ecoff_truncate_arname
+#define alpha_ecoff_write_armap _bfd_ecoff_write_armap
+#define alpha_ecoff_generic_stat_arch_elt _bfd_ecoff_generic_stat_arch_elt
+#define alpha_ecoff_update_armap_timestamp _bfd_ecoff_update_armap_timestamp
+
+/* A compressed file uses this instead of ARFMAG. */
+
+#define ARFZMAG "Z\012"
+
+/* Read an archive header. This is like the standard routine, but it
+ also accepts ARFZMAG. */
+
+static PTR
+alpha_ecoff_read_ar_hdr (abfd)
+ bfd *abfd;
+{
+ struct areltdata *ret;
+ struct ar_hdr *h;
+
+ ret = (struct areltdata *) _bfd_generic_read_ar_hdr_mag (abfd, ARFZMAG);
+ if (ret == NULL)
+ return NULL;
+
+ h = (struct ar_hdr *) ret->arch_header;
+ if (strncmp (h->ar_fmag, ARFZMAG, 2) == 0)
+ {
+ bfd_byte ab[8];
+
+ /* This is a compressed file. We must set the size correctly.
+ The size is the eight bytes after the dummy file header. */
+ if (bfd_seek (abfd, (file_ptr) FILHSZ, SEEK_CUR) != 0
+ || bfd_bread (ab, (bfd_size_type) 8, abfd) != 8
+ || bfd_seek (abfd, (file_ptr) (- (FILHSZ + 8)), SEEK_CUR) != 0)
+ return NULL;
+
+ ret->parsed_size = H_GET_64 (abfd, ab);
+ }
+
+ return (PTR) ret;
+}
+
+/* Get an archive element at a specified file position. This is where
+ we uncompress the archive element if necessary. */
+
+static bfd *
+alpha_ecoff_get_elt_at_filepos (archive, filepos)
+ bfd *archive;
+ file_ptr filepos;
+{
+ bfd *nbfd = NULL;
+ struct areltdata *tdata;
+ struct ar_hdr *hdr;
+ bfd_byte ab[8];
+ bfd_size_type size;
+ bfd_byte *buf, *p;
+ struct bfd_in_memory *bim;
+
+ nbfd = _bfd_get_elt_at_filepos (archive, filepos);
+ if (nbfd == NULL)
+ goto error_return;
+
+ if ((nbfd->flags & BFD_IN_MEMORY) != 0)
+ {
+ /* We have already expanded this BFD. */
+ return nbfd;
+ }
+
+ tdata = (struct areltdata *) nbfd->arelt_data;
+ hdr = (struct ar_hdr *) tdata->arch_header;
+ if (strncmp (hdr->ar_fmag, ARFZMAG, 2) != 0)
+ return nbfd;
+
+ /* We must uncompress this element. We do this by copying it into a
+ memory buffer, and making bfd_bread and bfd_seek use that buffer.
+ This can use a lot of memory, but it's simpler than getting a
+ temporary file, making that work with the file descriptor caching
+ code, and making sure that it is deleted at all appropriate
+ times. It can be changed if it ever becomes important. */
+
+ /* The compressed file starts with a dummy ECOFF file header. */
+ if (bfd_seek (nbfd, (file_ptr) FILHSZ, SEEK_SET) != 0)
+ goto error_return;
+
+ /* The next eight bytes are the real file size. */
+ if (bfd_bread (ab, (bfd_size_type) 8, nbfd) != 8)
+ goto error_return;
+ size = H_GET_64 (nbfd, ab);
+
+ if (size == 0)
+ buf = NULL;
+ else
+ {
+ bfd_size_type left;
+ bfd_byte dict[4096];
+ unsigned int h;
+ bfd_byte b;
+
+ buf = (bfd_byte *) bfd_alloc (nbfd, size);
+ if (buf == NULL)
+ goto error_return;
+ p = buf;
+
+ left = size;
+
+ /* I don't know what the next eight bytes are for. */
+ if (bfd_bread (ab, (bfd_size_type) 8, nbfd) != 8)
+ goto error_return;
+
+ /* This is the uncompression algorithm. It's a simple
+ dictionary based scheme in which each character is predicted
+ by a hash of the previous three characters. A control byte
+ indicates whether the character is predicted or whether it
+ appears in the input stream; each control byte manages the
+ next eight bytes in the output stream. */
+ memset (dict, 0, sizeof dict);
+ h = 0;
+ while (bfd_bread (&b, (bfd_size_type) 1, nbfd) == 1)
+ {
+ unsigned int i;
+
+ for (i = 0; i < 8; i++, b >>= 1)
+ {
+ bfd_byte n;
+
+ if ((b & 1) == 0)
+ n = dict[h];
+ else
+ {
+ if (! bfd_bread (&n, (bfd_size_type) 1, nbfd))
+ goto error_return;
+ dict[h] = n;
+ }
+
+ *p++ = n;
+
+ --left;
+ if (left == 0)
+ break;
+
+ h <<= 4;
+ h ^= n;
+ h &= sizeof dict - 1;
+ }
+
+ if (left == 0)
+ break;
+ }
+ }
+
+ /* Now the uncompressed file contents are in buf. */
+ bim = ((struct bfd_in_memory *)
+ bfd_alloc (nbfd, (bfd_size_type) sizeof (struct bfd_in_memory)));
+ if (bim == NULL)
+ goto error_return;
+ bim->size = size;
+ bim->buffer = buf;
+
+ nbfd->mtime_set = TRUE;
+ nbfd->mtime = strtol (hdr->ar_date, (char **) NULL, 10);
+
+ nbfd->flags |= BFD_IN_MEMORY;
+ nbfd->iostream = (PTR) bim;
+ BFD_ASSERT (! nbfd->cacheable);
+
+ return nbfd;
+
+ error_return:
+ if (nbfd != NULL)
+ bfd_close (nbfd);
+ return NULL;
+}
+
+/* Open the next archived file. */
+
+static bfd *
+alpha_ecoff_openr_next_archived_file (archive, last_file)
+ bfd *archive;
+ bfd *last_file;
+{
+ file_ptr filestart;
+
+ if (last_file == NULL)
+ filestart = bfd_ardata (archive)->first_file_filepos;
+ else
+ {
+ struct areltdata *t;
+ struct ar_hdr *h;
+ bfd_size_type size;
+
+ /* We can't use arelt_size here, because that uses parsed_size,
+ which is the uncompressed size. We need the compressed size. */
+ t = (struct areltdata *) last_file->arelt_data;
+ h = (struct ar_hdr *) t->arch_header;
+ size = strtol (h->ar_size, (char **) NULL, 10);
+
+ /* Pad to an even boundary...
+ Note that last_file->origin can be odd in the case of
+ BSD-4.4-style element with a long odd size. */
+ filestart = last_file->origin + size;
+ filestart += filestart % 2;
+ }
+
+ return alpha_ecoff_get_elt_at_filepos (archive, filestart);
+}
+
+/* Open the archive file given an index into the armap. */
+
+static bfd *
+alpha_ecoff_get_elt_at_index (abfd, index)
+ bfd *abfd;
+ symindex index;
+{
+ carsym *entry;
+
+ entry = bfd_ardata (abfd)->symdefs + index;
+ return alpha_ecoff_get_elt_at_filepos (abfd, entry->file_offset);
+}
\f
/* This is the ECOFF backend structure. The backend field of the
target vector points to this. */
(unsigned (*) PARAMS ((bfd *,PTR,PTR))) bfd_void, /* reloc_out */
alpha_ecoff_swap_filehdr_out, alpha_ecoff_swap_aouthdr_out,
alpha_ecoff_swap_scnhdr_out,
- FILHSZ, AOUTSZ, SCNHSZ, 0, 0, 0, true,
+ FILHSZ, AOUTSZ, SCNHSZ, 0, 0, 0, 0, FILNMLEN, TRUE,
+ ECOFF_NO_LONG_SECTION_NAMES, 4, FALSE, 2,
alpha_ecoff_swap_filehdr_in, alpha_ecoff_swap_aouthdr_in,
- alpha_ecoff_swap_scnhdr_in, alpha_ecoff_bad_format_hook,
- ecoff_set_arch_mach_hook, ecoff_mkobject_hook,
- ecoff_styp_to_sec_flags, ecoff_make_section_hook, ecoff_set_alignment_hook,
- ecoff_slurp_symbol_table, NULL, NULL
+ alpha_ecoff_swap_scnhdr_in, NULL,
+ alpha_ecoff_bad_format_hook, _bfd_ecoff_set_arch_mach_hook,
+ alpha_ecoff_mkobject_hook, _bfd_ecoff_styp_to_sec_flags,
+ _bfd_ecoff_set_alignment_hook, _bfd_ecoff_slurp_symbol_table,
+ NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
+ NULL, NULL, NULL, NULL
},
/* Supported architecture. */
bfd_arch_alpha,
/* The page boundary used to align sections in a demand-paged
executable file. E.g., 0x1000. */
0x2000,
- /* True if the .rdata section is part of the text segment, as on the
- Alpha. False if .rdata is part of the data segment, as on the
+ /* TRUE if the .rdata section is part of the text segment, as on the
+ Alpha. FALSE if .rdata is part of the data segment, as on the
MIPS. */
- true,
+ TRUE,
/* Bitsize of constructor entries. */
64,
/* Reloc to use for constructor entries. */
ecoff_swap_fdr_in,
ecoff_swap_rfd_in,
ecoff_swap_ext_in,
+ _bfd_ecoff_swap_tir_in,
+ _bfd_ecoff_swap_rndx_in,
/* Functions to swap out external symbolic data. */
ecoff_swap_hdr_out,
ecoff_swap_dnr_out,
ecoff_swap_opt_out,
ecoff_swap_fdr_out,
ecoff_swap_rfd_out,
- ecoff_swap_ext_out
+ ecoff_swap_ext_out,
+ _bfd_ecoff_swap_tir_out,
+ _bfd_ecoff_swap_rndx_out,
+ /* Function to read in symbolic data. */
+ _bfd_ecoff_slurp_symbolic_info
},
/* External reloc size. */
RELSZ,
alpha_adjust_reloc_in,
alpha_adjust_reloc_out,
/* Relocate section contents while linking. */
- alpha_relocate_section
+ alpha_relocate_section,
+ /* Do final adjustments to filehdr and aouthdr. */
+ alpha_adjust_headers,
+ /* Read an element from an archive at a given file position. */
+ alpha_ecoff_get_elt_at_filepos
};
/* Looking up a reloc type is Alpha specific. */
-#define ecoff_bfd_reloc_type_lookup alpha_bfd_reloc_type_lookup
+#define _bfd_ecoff_bfd_reloc_type_lookup alpha_bfd_reloc_type_lookup
+#define _bfd_ecoff_bfd_reloc_name_lookup \
+ alpha_bfd_reloc_name_lookup
/* So is getting relocated section contents. */
-#define ecoff_bfd_get_relocated_section_contents \
+#define _bfd_ecoff_bfd_get_relocated_section_contents \
alpha_ecoff_get_relocated_section_contents
-bfd_target ecoffalpha_little_vec =
+/* Handling file windows is generic. */
+#define _bfd_ecoff_get_section_contents_in_window \
+ _bfd_generic_get_section_contents_in_window
+
+/* Relaxing sections is generic. */
+#define _bfd_ecoff_bfd_relax_section bfd_generic_relax_section
+#define _bfd_ecoff_bfd_gc_sections bfd_generic_gc_sections
+#define _bfd_ecoff_bfd_merge_sections bfd_generic_merge_sections
+#define _bfd_ecoff_bfd_is_group_section bfd_generic_is_group_section
+#define _bfd_ecoff_bfd_discard_group bfd_generic_discard_group
+#define _bfd_ecoff_section_already_linked \
+ _bfd_generic_section_already_linked
+
+const bfd_target ecoffalpha_little_vec =
{
"ecoff-littlealpha", /* name */
bfd_target_ecoff_flavour,
- false, /* data byte order is little */
- false, /* header byte order is little */
+ BFD_ENDIAN_LITTLE, /* data byte order is little */
+ BFD_ENDIAN_LITTLE, /* header byte order is little */
(HAS_RELOC | EXEC_P | /* object flags */
HAS_LINENO | HAS_DEBUG |
- HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),
+ HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT | D_PAGED),
- (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* sect
- flags */
+ (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_CODE | SEC_DATA),
0, /* leading underscore */
' ', /* ar_pad_char */
15, /* ar_max_namelen */
- 4, /* minimum alignment power */
bfd_getl64, bfd_getl_signed_64, bfd_putl64,
bfd_getl32, bfd_getl_signed_32, bfd_putl32,
bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* data */
bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* hdrs */
{_bfd_dummy_target, alpha_ecoff_object_p, /* bfd_check_format */
- ecoff_archive_p, _bfd_dummy_target},
- {bfd_false, ecoff_mkobject, /* bfd_set_format */
+ bfd_generic_archive_p, _bfd_dummy_target},
+ {bfd_false, _bfd_ecoff_mkobject, /* bfd_set_format */
_bfd_generic_mkarchive, bfd_false},
- {bfd_false, ecoff_write_object_contents, /* bfd_write_contents */
+ {bfd_false, _bfd_ecoff_write_object_contents, /* bfd_write_contents */
_bfd_write_archive_contents, bfd_false},
- JUMP_TABLE (ecoff),
+
+ BFD_JUMP_TABLE_GENERIC (_bfd_ecoff),
+ BFD_JUMP_TABLE_COPY (_bfd_ecoff),
+ BFD_JUMP_TABLE_CORE (_bfd_nocore),
+ BFD_JUMP_TABLE_ARCHIVE (alpha_ecoff),
+ BFD_JUMP_TABLE_SYMBOLS (_bfd_ecoff),
+ BFD_JUMP_TABLE_RELOCS (_bfd_ecoff),
+ BFD_JUMP_TABLE_WRITE (_bfd_ecoff),
+ BFD_JUMP_TABLE_LINK (_bfd_ecoff),
+ BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
+
+ NULL,
+
(PTR) &alpha_ecoff_backend_data
};
projects / deliverable / binutils-gdb.git / blobdiff