250578363e
read. (bfd_error_system_call or bfd_error_file_truncated).
* som.c: Do not blindly set bfd_error_system_call after a
failing bfd_read, bfd_write, or bfd_seek. In a few places
(like som_object_p) override the error status set by bfd_read.
* aix386-core.c, aout-encap,c archive.c, bout.c: Likewise.
* coff-rs6000.c, coffgen.c ecoff.c, elf.c: Likewise.
* elf32-hppa.c, elfcode.h, hp300hpux.c, i386lynx.c: Likewise.
* nlm32-alpha.c, nlm32-i386.c, nlm32-sparc.c: Likewise.
* som.c: Check return values from several bfd_{seek,read,write}
calls that we just assumed were not failing.
784 lines
31 KiB
C
784 lines
31 KiB
C
/* BFD back-end for IBM RS/6000 "XCOFF" files.
|
||
Copyright 1990, 1991, 1992, 1993, 1994 Free Software Foundation, Inc.
|
||
FIXME: Can someone provide a transliteration of this name into ASCII?
|
||
Using the following chars caused a compiler warning on HIUX (so I replaced
|
||
them with octal escapes), and isn't useful without an understanding of what
|
||
character set it is.
|
||
Written by Metin G. Ozisik, Mimi Ph\373\364ng-Th\345o V\365,
|
||
and John Gilmore.
|
||
Archive support from Damon A. Permezel.
|
||
Contributed by IBM Corporation and Cygnus Support.
|
||
|
||
This file is part of BFD, the Binary File Descriptor library.
|
||
|
||
This program is free software; you can redistribute it and/or modify
|
||
it under the terms of the GNU General Public License as published by
|
||
the Free Software Foundation; either version 2 of the License, or
|
||
(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.
|
||
|
||
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. */
|
||
|
||
/* This port currently only handles reading object files, except when
|
||
compiled on an RS/6000 host. -- no archive support, no core files.
|
||
In all cases, it does not support writing.
|
||
|
||
FIXMEmgo comments are left from Metin Ozisik's original port. */
|
||
|
||
/* Internalcoff.h and coffcode.h modify themselves based on this flag. */
|
||
#define RS6000COFF_C 1
|
||
|
||
#include "bfd.h"
|
||
#include "sysdep.h"
|
||
#include "libbfd.h"
|
||
#include "obstack.h"
|
||
#include "coff/internal.h"
|
||
#include "coff/rs6000.h"
|
||
#include "libcoff.h"
|
||
|
||
/* The main body of code is in coffcode.h. */
|
||
|
||
/* The XCOFF reloc table. Actually, XCOFF relocations specify the
|
||
bitsize and whether they are signed or not, along with a
|
||
conventional type. This table is for the types, which are used for
|
||
different algorithms for putting in the reloc. Many of these
|
||
relocs need special_function entries, which I have not written. */
|
||
|
||
static reloc_howto_type rs6000coff_howto_table[] =
|
||
{
|
||
/* Standard 32 bit relocation. */
|
||
HOWTO (0, /* type */
|
||
0, /* rightshift */
|
||
2, /* size (0 = byte, 1 = short, 2 = long) */
|
||
32, /* bitsize */
|
||
false, /* pc_relative */
|
||
0, /* bitpos */
|
||
complain_overflow_bitfield, /* complain_on_overflow */
|
||
0, /* special_function */
|
||
"R_POS", /* name */
|
||
true, /* partial_inplace */
|
||
0xffffffff, /* src_mask */
|
||
0xffffffff, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
|
||
/* 32 bit relocation, but store negative value. */
|
||
HOWTO (1, /* type */
|
||
0, /* rightshift */
|
||
-2, /* size (0 = byte, 1 = short, 2 = long) */
|
||
32, /* bitsize */
|
||
false, /* pc_relative */
|
||
0, /* bitpos */
|
||
complain_overflow_bitfield, /* complain_on_overflow */
|
||
0, /* special_function */
|
||
"R_NEG", /* name */
|
||
true, /* partial_inplace */
|
||
0xffffffff, /* src_mask */
|
||
0xffffffff, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
|
||
/* 32 bit PC relative relocation. */
|
||
HOWTO (2, /* type */
|
||
0, /* rightshift */
|
||
2, /* size (0 = byte, 1 = short, 2 = long) */
|
||
32, /* bitsize */
|
||
true, /* pc_relative */
|
||
0, /* bitpos */
|
||
complain_overflow_signed, /* complain_on_overflow */
|
||
0, /* special_function */
|
||
"R_REL", /* name */
|
||
true, /* partial_inplace */
|
||
0xffffffff, /* src_mask */
|
||
0xffffffff, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
|
||
/* 16 bit TOC relative relocation. */
|
||
HOWTO (3, /* type */
|
||
0, /* rightshift */
|
||
1, /* size (0 = byte, 1 = short, 2 = long) */
|
||
16, /* bitsize */
|
||
false, /* pc_relative */
|
||
0, /* bitpos */
|
||
complain_overflow_signed, /* complain_on_overflow */
|
||
0, /* special_function */
|
||
"R_TOC", /* name */
|
||
true, /* partial_inplace */
|
||
0xffff, /* src_mask */
|
||
0xffff, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
|
||
/* I don't really know what this is. */
|
||
HOWTO (4, /* type */
|
||
1, /* rightshift */
|
||
2, /* size (0 = byte, 1 = short, 2 = long) */
|
||
32, /* bitsize */
|
||
false, /* pc_relative */
|
||
0, /* bitpos */
|
||
complain_overflow_bitfield, /* complain_on_overflow */
|
||
0, /* special_function */
|
||
"R_RTB", /* name */
|
||
true, /* partial_inplace */
|
||
0xffffffff, /* src_mask */
|
||
0xffffffff, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
|
||
/* External TOC relative symbol. */
|
||
HOWTO (5, /* type */
|
||
0, /* rightshift */
|
||
2, /* size (0 = byte, 1 = short, 2 = long) */
|
||
16, /* bitsize */
|
||
false, /* pc_relative */
|
||
0, /* bitpos */
|
||
complain_overflow_bitfield, /* complain_on_overflow */
|
||
0, /* special_function */
|
||
"R_GL", /* name */
|
||
true, /* partial_inplace */
|
||
0xffff, /* src_mask */
|
||
0xffff, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
|
||
/* Local TOC relative symbol. */
|
||
HOWTO (6, /* type */
|
||
0, /* rightshift */
|
||
2, /* size (0 = byte, 1 = short, 2 = long) */
|
||
16, /* bitsize */
|
||
false, /* pc_relative */
|
||
0, /* bitpos */
|
||
complain_overflow_bitfield, /* complain_on_overflow */
|
||
0, /* special_function */
|
||
"R_TCL", /* name */
|
||
true, /* partial_inplace */
|
||
0xffff, /* src_mask */
|
||
0xffff, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
|
||
{ 7 },
|
||
|
||
/* Non modifiable absolute branch. */
|
||
HOWTO (8, /* type */
|
||
0, /* rightshift */
|
||
2, /* size (0 = byte, 1 = short, 2 = long) */
|
||
26, /* bitsize */
|
||
false, /* pc_relative */
|
||
0, /* bitpos */
|
||
complain_overflow_bitfield, /* complain_on_overflow */
|
||
0, /* special_function */
|
||
"R_BA", /* name */
|
||
true, /* partial_inplace */
|
||
0x3fffffc, /* src_mask */
|
||
0x3fffffc, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
|
||
{ 9 },
|
||
|
||
/* Non modifiable relative branch. */
|
||
HOWTO (0xa, /* type */
|
||
0, /* rightshift */
|
||
2, /* size (0 = byte, 1 = short, 2 = long) */
|
||
26, /* bitsize */
|
||
true, /* pc_relative */
|
||
0, /* bitpos */
|
||
complain_overflow_signed, /* complain_on_overflow */
|
||
0, /* special_function */
|
||
"R_BR", /* name */
|
||
true, /* partial_inplace */
|
||
0x3fffffc, /* src_mask */
|
||
0x3fffffc, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
|
||
{ 0xb },
|
||
|
||
/* Indirect load. */
|
||
HOWTO (0xc, /* type */
|
||
0, /* rightshift */
|
||
2, /* size (0 = byte, 1 = short, 2 = long) */
|
||
16, /* bitsize */
|
||
false, /* pc_relative */
|
||
0, /* bitpos */
|
||
complain_overflow_bitfield, /* complain_on_overflow */
|
||
0, /* special_function */
|
||
"R_RL", /* name */
|
||
true, /* partial_inplace */
|
||
0xffff, /* src_mask */
|
||
0xffff, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
|
||
/* Load address. */
|
||
HOWTO (0xd, /* type */
|
||
0, /* rightshift */
|
||
2, /* size (0 = byte, 1 = short, 2 = long) */
|
||
16, /* bitsize */
|
||
false, /* pc_relative */
|
||
0, /* bitpos */
|
||
complain_overflow_bitfield, /* complain_on_overflow */
|
||
0, /* special_function */
|
||
"R_RLA", /* name */
|
||
true, /* partial_inplace */
|
||
0xffff, /* src_mask */
|
||
0xffff, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
|
||
{ 0xe },
|
||
|
||
/* Non-relocating reference. */
|
||
HOWTO (0xf, /* type */
|
||
0, /* rightshift */
|
||
2, /* size (0 = byte, 1 = short, 2 = long) */
|
||
32, /* bitsize */
|
||
false, /* pc_relative */
|
||
0, /* bitpos */
|
||
complain_overflow_bitfield, /* complain_on_overflow */
|
||
0, /* special_function */
|
||
"R_REF", /* name */
|
||
false, /* partial_inplace */
|
||
0, /* src_mask */
|
||
0, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
|
||
{ 0x10 },
|
||
{ 0x11 },
|
||
|
||
/* TOC relative indirect load. */
|
||
HOWTO (0x12, /* type */
|
||
0, /* rightshift */
|
||
2, /* size (0 = byte, 1 = short, 2 = long) */
|
||
16, /* bitsize */
|
||
false, /* pc_relative */
|
||
0, /* bitpos */
|
||
complain_overflow_bitfield, /* complain_on_overflow */
|
||
0, /* special_function */
|
||
"R_TRL", /* name */
|
||
true, /* partial_inplace */
|
||
0xffff, /* src_mask */
|
||
0xffff, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
|
||
/* TOC relative load address. */
|
||
HOWTO (0x13, /* type */
|
||
0, /* rightshift */
|
||
2, /* size (0 = byte, 1 = short, 2 = long) */
|
||
16, /* bitsize */
|
||
false, /* pc_relative */
|
||
0, /* bitpos */
|
||
complain_overflow_bitfield, /* complain_on_overflow */
|
||
0, /* special_function */
|
||
"R_TRLA", /* name */
|
||
true, /* partial_inplace */
|
||
0xffff, /* src_mask */
|
||
0xffff, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
|
||
/* Modifiable relative branch. */
|
||
HOWTO (0x14, /* type */
|
||
1, /* rightshift */
|
||
2, /* size (0 = byte, 1 = short, 2 = long) */
|
||
32, /* bitsize */
|
||
false, /* pc_relative */
|
||
0, /* bitpos */
|
||
complain_overflow_bitfield, /* complain_on_overflow */
|
||
0, /* special_function */
|
||
"R_RRTBI", /* name */
|
||
true, /* partial_inplace */
|
||
0xffffffff, /* src_mask */
|
||
0xffffffff, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
|
||
/* Modifiable absolute branch. */
|
||
HOWTO (0x15, /* type */
|
||
1, /* rightshift */
|
||
2, /* size (0 = byte, 1 = short, 2 = long) */
|
||
32, /* bitsize */
|
||
false, /* pc_relative */
|
||
0, /* bitpos */
|
||
complain_overflow_bitfield, /* complain_on_overflow */
|
||
0, /* special_function */
|
||
"R_RRTBA", /* name */
|
||
true, /* partial_inplace */
|
||
0xffffffff, /* src_mask */
|
||
0xffffffff, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
|
||
/* Modifiable call absolute indirect. */
|
||
HOWTO (0x16, /* type */
|
||
0, /* rightshift */
|
||
2, /* size (0 = byte, 1 = short, 2 = long) */
|
||
16, /* bitsize */
|
||
false, /* pc_relative */
|
||
0, /* bitpos */
|
||
complain_overflow_bitfield, /* complain_on_overflow */
|
||
0, /* special_function */
|
||
"R_CAI", /* name */
|
||
true, /* partial_inplace */
|
||
0xffff, /* src_mask */
|
||
0xffff, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
|
||
/* Modifiable call relative. */
|
||
HOWTO (0x17, /* type */
|
||
0, /* rightshift */
|
||
2, /* size (0 = byte, 1 = short, 2 = long) */
|
||
16, /* bitsize */
|
||
false, /* pc_relative */
|
||
0, /* bitpos */
|
||
complain_overflow_bitfield, /* complain_on_overflow */
|
||
0, /* special_function */
|
||
"R_REL", /* name */
|
||
true, /* partial_inplace */
|
||
0xffff, /* src_mask */
|
||
0xffff, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
|
||
/* Modifiable branch absolute. */
|
||
HOWTO (0x18, /* type */
|
||
0, /* rightshift */
|
||
2, /* size (0 = byte, 1 = short, 2 = long) */
|
||
16, /* bitsize */
|
||
false, /* pc_relative */
|
||
0, /* bitpos */
|
||
complain_overflow_bitfield, /* complain_on_overflow */
|
||
0, /* special_function */
|
||
"R_RBA", /* name */
|
||
true, /* partial_inplace */
|
||
0xffff, /* src_mask */
|
||
0xffff, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
|
||
/* Modifiable branch absolute. */
|
||
HOWTO (0x19, /* type */
|
||
0, /* rightshift */
|
||
2, /* size (0 = byte, 1 = short, 2 = long) */
|
||
16, /* bitsize */
|
||
false, /* pc_relative */
|
||
0, /* bitpos */
|
||
complain_overflow_bitfield, /* complain_on_overflow */
|
||
0, /* special_function */
|
||
"R_RBAC", /* name */
|
||
true, /* partial_inplace */
|
||
0xffff, /* src_mask */
|
||
0xffff, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
|
||
/* Modifiable branch relative. */
|
||
HOWTO (0x1a, /* type */
|
||
0, /* rightshift */
|
||
2, /* size (0 = byte, 1 = short, 2 = long) */
|
||
26, /* bitsize */
|
||
false, /* pc_relative */
|
||
0, /* bitpos */
|
||
complain_overflow_signed, /* complain_on_overflow */
|
||
0, /* special_function */
|
||
"R_REL", /* name */
|
||
true, /* partial_inplace */
|
||
0xffff, /* src_mask */
|
||
0xffff, /* dst_mask */
|
||
false), /* pcrel_offset */
|
||
|
||
/* Modifiable branch absolute. */
|
||
HOWTO (0x1b, /* type */
|
||
0, /* rightshift */
|
||
2, /* size (0 = byte, 1 = short, 2 = long) */
|
||
16, /* bitsize */
|
||
false, /* pc_relative */
|
||
0, /* bitpos */
|
||
complain_overflow_bitfield, /* complain_on_overflow */
|
||
0, /* special_function */
|
||
"R_REL", /* name */
|
||
true, /* partial_inplace */
|
||
0xffff, /* src_mask */
|
||
0xffff, /* dst_mask */
|
||
false) /* pcrel_offset */
|
||
};
|
||
|
||
#define RTYPE2HOWTO(cache_ptr, dst) rs6000coff_rtype2howto (cache_ptr, dst)
|
||
|
||
static void rs6000coff_rtype2howto PARAMS ((arelent *,
|
||
struct internal_reloc *));
|
||
|
||
static void
|
||
rs6000coff_rtype2howto (relent, internal)
|
||
arelent *relent;
|
||
struct internal_reloc *internal;
|
||
{
|
||
relent->howto = rs6000coff_howto_table + internal->r_type;
|
||
|
||
/* The r_size field of an XCOFF reloc encodes the bitsize of the
|
||
relocation, as well as indicating whether it is signed or not.
|
||
Doublecheck that the relocation information gathered from the
|
||
type matches this information. */
|
||
if (relent->howto->bitsize != (internal->r_size & 0x1f) + 1)
|
||
abort ();
|
||
#if 0
|
||
if ((internal->r_size & 0x80) != 0
|
||
? (relent->howto->complain_on_overflow != complain_overflow_signed)
|
||
: (relent->howto->complain_on_overflow != complain_overflow_bitfield))
|
||
abort ();
|
||
#endif
|
||
}
|
||
|
||
#define coff_bfd_reloc_type_lookup rs6000coff_reloc_type_lookup
|
||
|
||
static const struct reloc_howto_struct *rs6000coff_reloc_type_lookup
|
||
PARAMS ((bfd *, bfd_reloc_code_real_type));
|
||
|
||
static const struct reloc_howto_struct *
|
||
rs6000coff_reloc_type_lookup (abfd, code)
|
||
bfd *abfd;
|
||
bfd_reloc_code_real_type code;
|
||
{
|
||
switch (code)
|
||
{
|
||
case BFD_RELOC_PPC_B26:
|
||
return &rs6000coff_howto_table[0xa];
|
||
case BFD_RELOC_PPC_BA26:
|
||
return &rs6000coff_howto_table[8];
|
||
case BFD_RELOC_PPC_TOC16:
|
||
return &rs6000coff_howto_table[3];
|
||
case BFD_RELOC_32:
|
||
return &rs6000coff_howto_table[0];
|
||
default:
|
||
return NULL;
|
||
}
|
||
}
|
||
|
||
#define SELECT_RELOC(internal, howto) \
|
||
{ \
|
||
internal.r_type = howto->type; \
|
||
internal.r_size = \
|
||
((howto->complain_on_overflow == complain_overflow_signed \
|
||
? 0x80 \
|
||
: 0) \
|
||
| (howto->bitsize - 1)); \
|
||
}
|
||
|
||
#define COFF_LONG_FILENAMES
|
||
|
||
#include "coffcode.h"
|
||
|
||
#define coff_archive_p bfd_generic_archive_p
|
||
#define coff_mkarchive _bfd_generic_mkarchive
|
||
|
||
#ifdef HOST_AIX
|
||
|
||
/* ------------------------------------------------------------------------ */
|
||
/* Support for archive file stuff.. */
|
||
/* Stolen from Damon A. Permezel's `bfd' portation. */
|
||
/* ------------------------------------------------------------------------ */
|
||
|
||
#undef coff_openr_next_archived_file
|
||
#define coff_openr_next_archived_file rs6000coff_openr_next_archived_file
|
||
|
||
#undef coff_write_armap
|
||
#define coff_write_armap rs6000coff_write_armap
|
||
|
||
#undef coff_stat_arch_elt
|
||
#define coff_stat_arch_elt rs6000coff_stat_arch_elt
|
||
|
||
#undef coff_snarf_ar_hdr
|
||
#define coff_snarf_ar_hdr rs6000coff_snarf_ar_hdr
|
||
|
||
#undef coff_mkarchive
|
||
#define coff_mkarchive rs6000coff_mkarchive
|
||
|
||
#undef coff_archive_p
|
||
#define coff_archive_p rs6000coff_archive_p
|
||
|
||
#include "/usr/include/ar.h" /* <ar.h> doesn't do it. */
|
||
|
||
|
||
#define arch_hdr(bfd) \
|
||
((struct ar_hdr *) \
|
||
(((struct areltdata *)((bfd)->arelt_data))->arch_header))
|
||
|
||
|
||
static boolean
|
||
rs6000coff_mkarchive (abfd)
|
||
bfd *abfd;
|
||
{
|
||
bfd_set_error (bfd_error_invalid_operation); /* write not supported */
|
||
return false;
|
||
}
|
||
|
||
|
||
/* This functions reads an arch header and returns an areltdata pointer, or
|
||
NULL on error.
|
||
|
||
Presumes the file pointer is already in the right place (ie pointing
|
||
to the ar_hdr in the file). Moves the file pointer; on success it
|
||
should be pointing to the front of the file contents; on failure it
|
||
could have been moved arbitrarily.
|
||
*/
|
||
|
||
struct areltdata *
|
||
rs6000coff_snarf_ar_hdr (abfd)
|
||
bfd *abfd;
|
||
{
|
||
struct {
|
||
struct ar_hdr hdr;
|
||
char namebuf[256];
|
||
} h;
|
||
int size;
|
||
struct areltdata *ared;
|
||
char *allocptr;
|
||
|
||
size = sizeof (h.hdr);
|
||
if (bfd_read(&h.hdr, 1, size, abfd) != size) {
|
||
bfd_set_error (bfd_error_no_more_archived_files);
|
||
return NULL;
|
||
}
|
||
size = atoi(h.hdr.ar_namlen); /* ar_name[] length */
|
||
size += size & 1;
|
||
|
||
if (bfd_read(&h.hdr._ar_name.ar_name[2], 1, size, abfd) != size) {
|
||
bfd_set_error (bfd_error_no_more_archived_files);
|
||
return NULL;
|
||
}
|
||
|
||
if (strncmp(h.hdr._ar_name.ar_fmag + size, AIAFMAG, 2)) {
|
||
bfd_set_error (bfd_error_malformed_archive);
|
||
return NULL;
|
||
}
|
||
|
||
h.hdr._ar_name.ar_name[size] = 0; /* terminate filename */
|
||
|
||
/*
|
||
* if the filename is NULL, we're (probably) at the end.
|
||
*/
|
||
if (size == 0) {
|
||
bfd_set_error (bfd_error_no_more_archived_files);
|
||
return NULL;
|
||
}
|
||
|
||
size += sizeof (h.hdr);
|
||
allocptr = bfd_zalloc(abfd, sizeof (*ared) + size);
|
||
|
||
if (allocptr == NULL) {
|
||
bfd_set_error (bfd_error_no_memory);
|
||
return NULL;
|
||
}
|
||
|
||
ared = (struct areltdata *) allocptr;
|
||
|
||
ared->arch_header = (void *) (allocptr + sizeof (struct areltdata));
|
||
memcpy ((char *) ared->arch_header, &h.hdr, size);
|
||
ared->parsed_size = atoi(h.hdr.ar_size);
|
||
ared->filename = ((AR_HDR*) ared->arch_header)->_ar_name.ar_name;
|
||
|
||
return ared;
|
||
}
|
||
|
||
/* Stolen directly from archive.c, except it calls rs6000coff_snarf_ar_hdr.
|
||
Why wasn't this part of the transfer vector? */
|
||
|
||
bfd *
|
||
rs6000coff_get_elt_at_filepos (archive, filepos)
|
||
bfd *archive;
|
||
file_ptr filepos;
|
||
{
|
||
struct areltdata *new_areldata;
|
||
bfd *n_nfd;
|
||
|
||
n_nfd = _bfd_look_for_bfd_in_cache (archive, filepos);
|
||
if (n_nfd) return n_nfd;
|
||
|
||
if (0 != bfd_seek (archive, filepos, SEEK_SET))
|
||
return NULL;
|
||
|
||
if ((new_areldata = rs6000coff_snarf_ar_hdr (archive)) == NULL) return NULL;
|
||
|
||
n_nfd = _bfd_create_empty_archive_element_shell (archive);
|
||
if (n_nfd == NULL) {
|
||
bfd_release (archive, (PTR)new_areldata);
|
||
return NULL;
|
||
}
|
||
n_nfd->origin = bfd_tell (archive);
|
||
n_nfd->arelt_data = (PTR) new_areldata;
|
||
n_nfd->filename = new_areldata->filename;
|
||
|
||
if (_bfd_add_bfd_to_archive_cache (archive, filepos, n_nfd))
|
||
return n_nfd;
|
||
|
||
/* huh? */
|
||
bfd_release (archive, (PTR)n_nfd);
|
||
bfd_release (archive, (PTR)new_areldata);
|
||
return NULL;
|
||
}
|
||
|
||
/*
|
||
* xcoff_openr_next_archived_file - xcoff has nxt/prv seek addrs.
|
||
*/
|
||
static bfd *
|
||
rs6000coff_openr_next_archived_file(archive, last_file)
|
||
bfd *archive, *last_file;
|
||
{
|
||
file_ptr filestart;
|
||
|
||
if (!last_file)
|
||
filestart = bfd_ardata(archive)->first_file_filepos;
|
||
else
|
||
filestart = atol(arch_hdr(last_file)->ar_nxtmem);
|
||
|
||
return rs6000coff_get_elt_at_filepos (archive, filestart);
|
||
}
|
||
|
||
|
||
static bfd_target *
|
||
rs6000coff_archive_p (abfd)
|
||
bfd *abfd;
|
||
{
|
||
struct fl_hdr hdr;
|
||
register struct artdata *art;
|
||
|
||
if (bfd_read (&hdr, sizeof (hdr), 1, abfd) != sizeof (hdr)) {
|
||
bfd_set_error (bfd_error_wrong_format);
|
||
return 0;
|
||
}
|
||
|
||
if (strncmp(hdr.fl_magic, AIAMAG, SAIAMAG)) {
|
||
bfd_set_error (bfd_error_wrong_format);
|
||
return 0;
|
||
}
|
||
|
||
/*
|
||
* bfd_ardata() accesses the bfd->tdata field.
|
||
*/
|
||
abfd->tdata.aout_ar_data =
|
||
(void *) bfd_zalloc(abfd, sizeof (*art) + sizeof (hdr));
|
||
if ((art = bfd_ardata (abfd)) == NULL) {
|
||
bfd_set_error (bfd_error_no_memory);
|
||
return 0;
|
||
}
|
||
|
||
art->first_file_filepos = atoi(hdr.fl_fstmoff);
|
||
*(struct fl_hdr *) (1 + art) = hdr;
|
||
|
||
/* Someday...
|
||
* slurp in the member table, which I think is the armap equivalent.
|
||
xcoff_slurp_armap(abfd);
|
||
*/
|
||
|
||
return abfd->xvec;
|
||
}
|
||
|
||
|
||
static int
|
||
rs6000coff_stat_arch_elt(abfd, buf)
|
||
bfd *abfd;
|
||
struct stat *buf;
|
||
{
|
||
struct ar_hdr *hdr;
|
||
char *aloser;
|
||
|
||
if (abfd->arelt_data == NULL) {
|
||
bfd_set_error (bfd_error_invalid_operation);
|
||
return -1;
|
||
}
|
||
|
||
hdr = arch_hdr (abfd);
|
||
|
||
#define foo(arelt, stelt, size) \
|
||
buf->stelt = strtol (hdr->arelt, &aloser, size); \
|
||
if (aloser == hdr->arelt) return -1;
|
||
|
||
foo (ar_date, st_mtime, 10);
|
||
foo (ar_uid, st_uid, 10);
|
||
foo (ar_gid, st_gid, 10);
|
||
foo (ar_mode, st_mode, 8);
|
||
foo (ar_size, st_size, 10);
|
||
#undef foo
|
||
|
||
return 0;
|
||
}
|
||
|
||
static boolean
|
||
rs6000coff_write_armap (arch, elength, map, orl_count, stridx)
|
||
bfd *arch;
|
||
unsigned int elength;
|
||
struct orl *map;
|
||
unsigned int orl_count;
|
||
int stridx;
|
||
{
|
||
bfd_set_error (bfd_error_invalid_operation);
|
||
return false;
|
||
}
|
||
#endif /* HOST_AIX */
|
||
|
||
|
||
#define CORE_FILE_P _bfd_dummy_target
|
||
|
||
#ifdef HOST_AIX
|
||
#undef CORE_FILE_P
|
||
#define CORE_FILE_P rs6000coff_core_p
|
||
extern bfd_target * rs6000coff_core_p ();
|
||
extern boolean rs6000coff_get_section_contents ();
|
||
extern boolean rs6000coff_core_file_matches_executable_p ();
|
||
|
||
#undef coff_core_file_matches_executable_p
|
||
#define coff_core_file_matches_executable_p \
|
||
rs6000coff_core_file_matches_executable_p
|
||
|
||
#undef coff_get_section_contents
|
||
#define coff_get_section_contents rs6000coff_get_section_contents
|
||
#endif /* HOST_AIX */
|
||
|
||
#ifdef HOST_LYNX
|
||
|
||
#undef CORE_FILE_P
|
||
#define CORE_FILE_P lynx_core_file_p
|
||
extern bfd_target *lynx_core_file_p PARAMS ((bfd *abfd));
|
||
|
||
extern boolean lynx_core_file_matches_executable_p PARAMS ((bfd *core_bfd,
|
||
bfd *exec_bfd));
|
||
#undef coff_core_file_matches_executable_p
|
||
#define coff_core_file_matches_executable_p lynx_core_file_matches_executable_p
|
||
|
||
extern char *lynx_core_file_failing_command PARAMS ((bfd *abfd));
|
||
#undef coff_core_file_failing_command
|
||
#define coff_core_file_failing_command lynx_core_file_failing_command
|
||
|
||
extern int lynx_core_file_failing_signal PARAMS ((bfd *abfd));
|
||
#undef coff_core_file_failing_signal
|
||
#define coff_core_file_failing_signal lynx_core_file_failing_signal
|
||
|
||
#endif /* HOST_LYNX */
|
||
|
||
/* The transfer vector that leads the outside world to all of the above. */
|
||
|
||
bfd_target rs6000coff_vec =
|
||
{
|
||
"aixcoff-rs6000", /* name */
|
||
bfd_target_coff_flavour,
|
||
true, /* data byte order is big */
|
||
true, /* header byte order is big */
|
||
|
||
(HAS_RELOC | EXEC_P | /* object flags */
|
||
HAS_LINENO | HAS_DEBUG |
|
||
HAS_SYMS | HAS_LOCALS | WP_TEXT),
|
||
|
||
(SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */
|
||
0, /* leading char */
|
||
'/', /* ar_pad_char */
|
||
15, /* ar_max_namelen??? FIXMEmgo */
|
||
3, /* default alignment power */
|
||
|
||
bfd_getb64, bfd_getb_signed_64, bfd_putb64,
|
||
bfd_getb32, bfd_getb_signed_32, bfd_putb32,
|
||
bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* data */
|
||
bfd_getb64, bfd_getb_signed_64, bfd_putb64,
|
||
bfd_getb32, bfd_getb_signed_32, bfd_putb32,
|
||
bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* hdrs */
|
||
|
||
{_bfd_dummy_target, coff_object_p, /* bfd_check_format */
|
||
coff_archive_p, CORE_FILE_P},
|
||
{bfd_false, coff_mkobject, coff_mkarchive, /* bfd_set_format */
|
||
bfd_false},
|
||
{bfd_false, coff_write_object_contents, /* bfd_write_contents */
|
||
_bfd_write_archive_contents, bfd_false},
|
||
|
||
JUMP_TABLE(coff),
|
||
COFF_SWAP_TABLE,
|
||
};
|