/* 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 Free Software Foundation, Inc.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
#include "bfd.h"
#include "sysdep.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 const bfd_target *alpha_ecoff_object_p PARAMS ((bfd *));
-static 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 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 boolean alpha_adjust_headers
+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. */
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 true;
+ return FALSE;
}
/* This is a hook called by coff_real_object_p to create any backend
{
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;
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;
long reloc_size = bfd_get_reloc_upper_bound (input_bfd, input_section);
arelent **reloc_vector = NULL;
long reloc_count;
- bfd *output_bfd = relocateable ? abfd : (bfd *) NULL;
+ 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 (reloc_size < 0)
goto error_return;
- reloc_vector = (arelent **) malloc (reloc_size);
+ reloc_vector = (arelent **) bfd_malloc ((bfd_size_type) reloc_size);
if (reloc_vector == NULL && reloc_size != 0)
- {
- bfd_set_error (bfd_error_no_memory);
- goto error_return;
- }
-
- if (! bfd_get_section_contents (input_bfd, input_section, data,
- (file_ptr) 0, input_section->_raw_size))
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;
reloc_count = bfd_canonicalize_reloc (input_bfd, input_section,
reloc_vector, symbols);
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;
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;
asymbol *symbol;
bfd_vma relocation;
- if (relocateable)
+ if (relocatable)
{
rel->address += input_section->output_offset;
break;
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)))
+ 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)))
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)))
goto error_return;
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;
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 (reloc_howto_type *) 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
|| h->root.type == bfd_link_hash_defweak)
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':
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] =
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;
+ }
- BFD_ASSERT (output_bfd->xvec->header_byteorder_big_p == false);
- BFD_ASSERT (input_bfd->xvec->header_byteorder_big_p == false);
+ 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);
+ }
+
+ 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
|| h->root.type == bfd_link_hash_defweak)
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;
}
}
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;
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 (! ((*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 (! ((*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. */
-/*ARGSUSED*/
-static boolean
+static bfd_boolean
alpha_adjust_headers (abfd, fhdr, ahdr)
bfd *abfd;
struct internal_filehdr *fhdr;
- struct internal_aouthdr *ahdr;
+ 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;
+ return TRUE;
+}
+\f
+/* 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
(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, 0, true,
+ FILHSZ, AOUTSZ, SCNHSZ, 0, 0, 0, 0, FILNMLEN, TRUE, FALSE, 4, FALSE, 2,
alpha_ecoff_swap_filehdr_in, alpha_ecoff_swap_aouthdr_in,
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, 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. */
/* Relocate section contents while linking. */
alpha_relocate_section,
/* Do final adjustments to filehdr and aouthdr. */
- alpha_adjust_headers
+ 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. */
/* 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 |
BFD_JUMP_TABLE_GENERIC (_bfd_ecoff),
BFD_JUMP_TABLE_COPY (_bfd_ecoff),
BFD_JUMP_TABLE_CORE (_bfd_nocore),
- BFD_JUMP_TABLE_ARCHIVE (_bfd_ecoff),
+ 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 / binutils.git / blobdiff