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coff-rs6000.c
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/* BFD back-end for IBM RS/6000 "XCOFF" files.
Copyright 1990-1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007,
2008, 2009, 2010
Free Software Foundation, Inc.
Written by Metin G. Ozisik, Mimi Phuong-Thao Vo, 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 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.
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 "sysdep.h"
#include "bfd.h"
#include "bfdlink.h"
#include "libbfd.h"
#include "coff/internal.h"
#include "coff/xcoff.h"
#include "coff/rs6000.h"
#include "libcoff.h"
#include "libxcoff.h"
extern bfd_boolean _bfd_xcoff_mkobject
PARAMS ((bfd *));
extern bfd_boolean _bfd_xcoff_copy_private_bfd_data
PARAMS ((bfd *, bfd *));
extern bfd_boolean _bfd_xcoff_is_local_label_name
PARAMS ((bfd *, const char *));
extern reloc_howto_type *_bfd_xcoff_reloc_type_lookup
PARAMS ((bfd *, bfd_reloc_code_real_type));
extern bfd_boolean _bfd_xcoff_slurp_armap
PARAMS ((bfd *));
extern const bfd_target *_bfd_xcoff_archive_p
PARAMS ((bfd *));
extern PTR _bfd_xcoff_read_ar_hdr
PARAMS ((bfd *));
extern bfd *_bfd_xcoff_openr_next_archived_file
PARAMS ((bfd *, bfd *));
extern int _bfd_xcoff_stat_arch_elt
PARAMS ((bfd *, struct stat *));
extern bfd_boolean _bfd_xcoff_write_armap
PARAMS ((bfd *, unsigned int, struct orl *, unsigned int, int));
extern bfd_boolean _bfd_xcoff_write_archive_contents
PARAMS ((bfd *));
extern int _bfd_xcoff_sizeof_headers
PARAMS ((bfd *, struct bfd_link_info *));
extern void _bfd_xcoff_swap_sym_in
PARAMS ((bfd *, PTR, PTR));
extern unsigned int _bfd_xcoff_swap_sym_out
PARAMS ((bfd *, PTR, PTR));
extern void _bfd_xcoff_swap_aux_in
PARAMS ((bfd *, PTR, int, int, int, int, PTR));
extern unsigned int _bfd_xcoff_swap_aux_out
PARAMS ((bfd *, PTR, int, int, int, int, PTR));
static void xcoff_swap_reloc_in
PARAMS ((bfd *, PTR, PTR));
static unsigned int xcoff_swap_reloc_out
PARAMS ((bfd *, PTR, PTR));
/* Forward declare xcoff_rtype2howto for coffcode.h macro. */
void xcoff_rtype2howto
PARAMS ((arelent *, struct internal_reloc *));
/* coffcode.h needs these to be defined. */
#define RS6000COFF_C 1
#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_DEFAULT_SECTION_ALIGNMENT_POWER (3)
#define COFF_LONG_FILENAMES
#define NO_COFF_SYMBOLS
#define RTYPE2HOWTO(cache_ptr, dst) xcoff_rtype2howto (cache_ptr, dst)
#define coff_mkobject _bfd_xcoff_mkobject
#define coff_bfd_copy_private_bfd_data _bfd_xcoff_copy_private_bfd_data
#define coff_bfd_is_local_label_name _bfd_xcoff_is_local_label_name
#define coff_bfd_reloc_type_lookup _bfd_xcoff_reloc_type_lookup
#define coff_bfd_reloc_name_lookup _bfd_xcoff_reloc_name_lookup
#ifdef AIX_CORE
extern const bfd_target * rs6000coff_core_p
PARAMS ((bfd *abfd));
extern bfd_boolean rs6000coff_core_file_matches_executable_p
PARAMS ((bfd *cbfd, bfd *ebfd));
extern char *rs6000coff_core_file_failing_command
PARAMS ((bfd *abfd));
extern int rs6000coff_core_file_failing_signal
PARAMS ((bfd *abfd));
#define CORE_FILE_P rs6000coff_core_p
#define coff_core_file_failing_command \
rs6000coff_core_file_failing_command
#define coff_core_file_failing_signal \
rs6000coff_core_file_failing_signal
#define coff_core_file_matches_executable_p \
rs6000coff_core_file_matches_executable_p
#define coff_core_file_pid \
_bfd_nocore_core_file_pid
#else
#define CORE_FILE_P _bfd_dummy_target
#define coff_core_file_failing_command \
_bfd_nocore_core_file_failing_command
#define coff_core_file_failing_signal \
_bfd_nocore_core_file_failing_signal
#define coff_core_file_matches_executable_p \
_bfd_nocore_core_file_matches_executable_p
#define coff_core_file_pid \
_bfd_nocore_core_file_pid
#endif
#define coff_SWAP_sym_in _bfd_xcoff_swap_sym_in
#define coff_SWAP_sym_out _bfd_xcoff_swap_sym_out
#define coff_SWAP_aux_in _bfd_xcoff_swap_aux_in
#define coff_SWAP_aux_out _bfd_xcoff_swap_aux_out
#define coff_swap_reloc_in xcoff_swap_reloc_in
#define coff_swap_reloc_out xcoff_swap_reloc_out
#define NO_COFF_RELOCS
#ifndef bfd_pe_print_pdata
#define bfd_pe_print_pdata NULL
#endif
#include "coffcode.h"
/* The main body of code is in coffcode.h. */
static const char *normalize_filename
PARAMS ((bfd *));
static bfd_boolean xcoff_write_armap_old
PARAMS ((bfd *, unsigned int, struct orl *, unsigned int, int));
static bfd_boolean xcoff_write_armap_big
PARAMS ((bfd *, unsigned int, struct orl *, unsigned int, int));
static bfd_boolean xcoff_write_archive_contents_old
PARAMS ((bfd *));
static bfd_boolean xcoff_write_archive_contents_big
PARAMS ((bfd *));
static void xcoff_swap_ldhdr_in
PARAMS ((bfd *, const PTR, struct internal_ldhdr *));
static void xcoff_swap_ldhdr_out
PARAMS ((bfd *, const struct internal_ldhdr *, PTR));
static void xcoff_swap_ldsym_in
PARAMS ((bfd *, const PTR, struct internal_ldsym *));
static void xcoff_swap_ldsym_out
PARAMS ((bfd *, const struct internal_ldsym *, PTR));
static void xcoff_swap_ldrel_in
PARAMS ((bfd *, const PTR, struct internal_ldrel *));
static void xcoff_swap_ldrel_out
PARAMS ((bfd *, const struct internal_ldrel *, PTR));
static bfd_boolean xcoff_ppc_relocate_section
PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
struct internal_reloc *, struct internal_syment *, asection **));
static bfd_boolean _bfd_xcoff_put_ldsymbol_name
PARAMS ((bfd *, struct xcoff_loader_info *, struct internal_ldsym *,
const char *));
static asection *xcoff_create_csect_from_smclas
PARAMS ((bfd *, union internal_auxent *, const char *));
static bfd_boolean xcoff_is_lineno_count_overflow
PARAMS ((bfd *, bfd_vma));
static bfd_boolean xcoff_is_reloc_count_overflow
PARAMS ((bfd *, bfd_vma));
static bfd_vma xcoff_loader_symbol_offset
PARAMS ((bfd *, struct internal_ldhdr *));
static bfd_vma xcoff_loader_reloc_offset
PARAMS ((bfd *, struct internal_ldhdr *));
static bfd_boolean xcoff_generate_rtinit
PARAMS ((bfd *, const char *, const char *, bfd_boolean));
static bfd_boolean do_pad
PARAMS ((bfd *, unsigned int));
static bfd_boolean do_copy
PARAMS ((bfd *, bfd *));
/* Relocation functions */
static bfd_boolean xcoff_reloc_type_br
PARAMS ((XCOFF_RELOC_FUNCTION_ARGS));
static bfd_boolean xcoff_complain_overflow_dont_func
PARAMS ((XCOFF_COMPLAIN_FUNCTION_ARGS));
static bfd_boolean xcoff_complain_overflow_bitfield_func
PARAMS ((XCOFF_COMPLAIN_FUNCTION_ARGS));
static bfd_boolean xcoff_complain_overflow_signed_func
PARAMS ((XCOFF_COMPLAIN_FUNCTION_ARGS));
static bfd_boolean xcoff_complain_overflow_unsigned_func
PARAMS ((XCOFF_COMPLAIN_FUNCTION_ARGS));
bfd_boolean (*xcoff_calculate_relocation[XCOFF_MAX_CALCULATE_RELOCATION])
PARAMS ((XCOFF_RELOC_FUNCTION_ARGS)) =
{
xcoff_reloc_type_pos, /* R_POS (0x00) */
xcoff_reloc_type_neg, /* R_NEG (0x01) */
xcoff_reloc_type_rel, /* R_REL (0x02) */
xcoff_reloc_type_toc, /* R_TOC (0x03) */
xcoff_reloc_type_fail, /* R_RTB (0x04) */
xcoff_reloc_type_toc, /* R_GL (0x05) */
xcoff_reloc_type_toc, /* R_TCL (0x06) */
xcoff_reloc_type_fail, /* (0x07) */
xcoff_reloc_type_ba, /* R_BA (0x08) */
xcoff_reloc_type_fail, /* (0x09) */
xcoff_reloc_type_br, /* R_BR (0x0a) */
xcoff_reloc_type_fail, /* (0x0b) */
xcoff_reloc_type_pos, /* R_RL (0x0c) */
xcoff_reloc_type_pos, /* R_RLA (0x0d) */
xcoff_reloc_type_fail, /* (0x0e) */
xcoff_reloc_type_noop, /* R_REF (0x0f) */
xcoff_reloc_type_fail, /* (0x10) */
xcoff_reloc_type_fail, /* (0x11) */
xcoff_reloc_type_toc, /* R_TRL (0x12) */
xcoff_reloc_type_toc, /* R_TRLA (0x13) */
xcoff_reloc_type_fail, /* R_RRTBI (0x14) */
xcoff_reloc_type_fail, /* R_RRTBA (0x15) */
xcoff_reloc_type_ba, /* R_CAI (0x16) */
xcoff_reloc_type_crel, /* R_CREL (0x17) */
xcoff_reloc_type_ba, /* R_RBA (0x18) */
xcoff_reloc_type_ba, /* R_RBAC (0x19) */
xcoff_reloc_type_br, /* R_RBR (0x1a) */
xcoff_reloc_type_ba, /* R_RBRC (0x1b) */
};
bfd_boolean (*xcoff_complain_overflow[XCOFF_MAX_COMPLAIN_OVERFLOW])
PARAMS ((XCOFF_COMPLAIN_FUNCTION_ARGS)) =
{
xcoff_complain_overflow_dont_func,
xcoff_complain_overflow_bitfield_func,
xcoff_complain_overflow_signed_func,
xcoff_complain_overflow_unsigned_func,
};
/* Information about one member of an archive. */
struct member_layout {
/* The archive member that this structure describes. */
bfd *member;
/* The number of bytes of padding that must be inserted before the
start of the member in order to ensure that the section contents
are correctly aligned. */
unsigned int leading_padding;
/* The offset of MEMBER from the start of the archive (i.e. the end
of the leading padding). */
file_ptr offset;
/* The normalized name of MEMBER. */
const char *name;
/* The length of NAME, without padding. */
bfd_size_type namlen;
/* The length of NAME, with padding. */
bfd_size_type padded_namlen;
/* The size of MEMBER's header, including the name and magic sequence. */
bfd_size_type header_size;
/* The size of the MEMBER's contents. */
bfd_size_type contents_size;
/* The number of bytes of padding that must be inserted after MEMBER
in order to preserve even alignment. */
bfd_size_type trailing_padding;
};
/* A structure used for iterating over the members of an archive. */
struct archive_iterator {
/* The archive itself. */
bfd *archive;
/* Information about the current archive member. */
struct member_layout current;
/* Information about the next archive member. MEMBER is null if there
are no more archive members, in which case OFFSET is the offset of
the first unused byte. */
struct member_layout next;
};
/* Initialize INFO so that it describes member MEMBER of archive ARCHIVE.
OFFSET is the even-padded offset of MEMBER, not including any leading
padding needed for section alignment. */
static void
member_layout_init (struct member_layout *info, bfd *archive,
bfd *member, file_ptr offset)
{
info->member = member;
info->leading_padding = 0;
if (member)
{
info->name = normalize_filename (member);
info->namlen = strlen (info->name);
info->padded_namlen = info->namlen + (info->namlen & 1);
if (xcoff_big_format_p (archive))
info->header_size = SIZEOF_AR_HDR_BIG;
else
info->header_size = SIZEOF_AR_HDR;
info->header_size += info->padded_namlen + SXCOFFARFMAG;
info->contents_size = arelt_size (member);
info->trailing_padding = info->contents_size & 1;
if (bfd_check_format (member, bfd_object)
&& bfd_get_flavour (member) == bfd_target_xcoff_flavour
&& (member->flags & DYNAMIC) != 0)
info->leading_padding
= (-(offset + info->header_size)
& ((1 << bfd_xcoff_text_align_power (member)) - 1));
}
info->offset = offset + info->leading_padding;
}
/* Set up ITERATOR to iterate through archive ARCHIVE. */
static void
archive_iterator_begin (struct archive_iterator *iterator,
bfd *archive)
{
iterator->archive = archive;
member_layout_init (&iterator->next, archive, archive->archive_head,
xcoff_big_format_p (archive)
? SIZEOF_AR_FILE_HDR_BIG
: SIZEOF_AR_FILE_HDR);
}
/* Make ITERATOR visit the first unvisited archive member. Return true
on success; return false if all members have been visited. */
static bfd_boolean
archive_iterator_next (struct archive_iterator *iterator)
{
if (!iterator->next.member)
return FALSE;
iterator->current = iterator->next;
member_layout_init (&iterator->next, iterator->archive,
iterator->current.member->archive_next,
iterator->current.offset
+ iterator->current.header_size
+ iterator->current.contents_size
+ iterator->current.trailing_padding);
return TRUE;
}
/* We use our own tdata type. Its first field is the COFF tdata type,
so the COFF routines are compatible. */
bfd_boolean
_bfd_xcoff_mkobject (abfd)
bfd *abfd;
{
coff_data_type *coff;
bfd_size_type amt = sizeof (struct xcoff_tdata);
abfd->tdata.xcoff_obj_data = (struct xcoff_tdata *) bfd_zalloc (abfd, amt);
if (abfd->tdata.xcoff_obj_data == NULL)
return FALSE;
coff = coff_data (abfd);
coff->symbols = (coff_symbol_type *) NULL;
coff->conversion_table = (unsigned int *) NULL;
coff->raw_syments = (struct coff_ptr_struct *) NULL;
coff->relocbase = 0;
xcoff_data (abfd)->modtype = ('1' << 8) | 'L';
/* We set cputype to -1 to indicate that it has not been
initialized. */
xcoff_data (abfd)->cputype = -1;
xcoff_data (abfd)->csects = NULL;
xcoff_data (abfd)->debug_indices = NULL;
/* text section alignment is different than the default */
bfd_xcoff_text_align_power (abfd) = 2;
return TRUE;
}
/* Copy XCOFF data from one BFD to another. */
bfd_boolean
_bfd_xcoff_copy_private_bfd_data (ibfd, obfd)
bfd *ibfd;
bfd *obfd;
{
struct xcoff_tdata *ix, *ox;
asection *sec;
if (ibfd->xvec != obfd->xvec)
return TRUE;
ix = xcoff_data (ibfd);
ox = xcoff_data (obfd);
ox->full_aouthdr = ix->full_aouthdr;
ox->toc = ix->toc;
if (ix->sntoc == 0)
ox->sntoc = 0;
else
{
sec = coff_section_from_bfd_index (ibfd, ix->sntoc);
if (sec == NULL)
ox->sntoc = 0;
else
ox->sntoc = sec->output_section->target_index;
}
if (ix->snentry == 0)
ox->snentry = 0;
else
{
sec = coff_section_from_bfd_index (ibfd, ix->snentry);
if (sec == NULL)
ox->snentry = 0;
else
ox->snentry = sec->output_section->target_index;
}
bfd_xcoff_text_align_power (obfd) = bfd_xcoff_text_align_power (ibfd);
bfd_xcoff_data_align_power (obfd) = bfd_xcoff_data_align_power (ibfd);
ox->modtype = ix->modtype;
ox->cputype = ix->cputype;
ox->maxdata = ix->maxdata;
ox->maxstack = ix->maxstack;
return TRUE;
}
/* I don't think XCOFF really has a notion of local labels based on
name. This will mean that ld -X doesn't actually strip anything.
The AIX native linker does not have a -X option, and it ignores the
-x option. */
bfd_boolean
_bfd_xcoff_is_local_label_name (abfd, name)
bfd *abfd ATTRIBUTE_UNUSED;
const char *name ATTRIBUTE_UNUSED;
{
return FALSE;
}
void
_bfd_xcoff_swap_sym_in (abfd, ext1, in1)
bfd *abfd;
PTR ext1;
PTR in1;
{
SYMENT *ext = (SYMENT *)ext1;
struct internal_syment * in = (struct internal_syment *)in1;
if (ext->e.e_name[0] != 0)
{
memcpy (in->_n._n_name, ext->e.e_name, SYMNMLEN);
}
else
{
in->_n._n_n._n_zeroes = 0;
in->_n._n_n._n_offset = H_GET_32 (abfd, ext->e.e.e_offset);
}
in->n_value = H_GET_32 (abfd, ext->e_value);
in->n_scnum = H_GET_16 (abfd, ext->e_scnum);
in->n_type = H_GET_16 (abfd, ext->e_type);
in->n_sclass = H_GET_8 (abfd, ext->e_sclass);
in->n_numaux = H_GET_8 (abfd, ext->e_numaux);
}
unsigned int
_bfd_xcoff_swap_sym_out (abfd, inp, extp)
bfd *abfd;
PTR inp;
PTR extp;
{
struct internal_syment *in = (struct internal_syment *)inp;
SYMENT *ext =(SYMENT *)extp;
if (in->_n._n_name[0] != 0)
{
memcpy (ext->e.e_name, in->_n._n_name, SYMNMLEN);
}
else
{
H_PUT_32 (abfd, 0, ext->e.e.e_zeroes);
H_PUT_32 (abfd, in->_n._n_n._n_offset, ext->e.e.e_offset);
}
H_PUT_32 (abfd, in->n_value, ext->e_value);
H_PUT_16 (abfd, in->n_scnum, ext->e_scnum);
H_PUT_16 (abfd, in->n_type, ext->e_type);
H_PUT_8 (abfd, in->n_sclass, ext->e_sclass);
H_PUT_8 (abfd, in->n_numaux, ext->e_numaux);
return bfd_coff_symesz (abfd);
}
void
_bfd_xcoff_swap_aux_in (abfd, ext1, type, in_class, indx, numaux, in1)
bfd *abfd;
PTR ext1;
int type;
int in_class;
int indx;
int numaux;
PTR in1;
{
AUXENT * ext = (AUXENT *)ext1;
union internal_auxent *in = (union internal_auxent *)in1;
switch (in_class)
{
case C_FILE:
if (ext->x_file.x_fname[0] == 0)
{
in->x_file.x_n.x_zeroes = 0;
in->x_file.x_n.x_offset =
H_GET_32 (abfd, ext->x_file.x_n.x_offset);
}
else
{
if (numaux > 1)
{
if (indx == 0)
memcpy (in->x_file.x_fname, ext->x_file.x_fname,
numaux * sizeof (AUXENT));
}
else
{
memcpy (in->x_file.x_fname, ext->x_file.x_fname, FILNMLEN);
}
}
goto end;
/* RS/6000 "csect" auxents */
case C_EXT:
case C_AIX_WEAKEXT:
case C_HIDEXT:
if (indx + 1 == numaux)
{
in->x_csect.x_scnlen.l = H_GET_32 (abfd, ext->x_csect.x_scnlen);
in->x_csect.x_parmhash = H_GET_32 (abfd, ext->x_csect.x_parmhash);
in->x_csect.x_snhash = H_GET_16 (abfd, ext->x_csect.x_snhash);
/* We don't have to hack bitfields in x_smtyp because it's
defined by shifts-and-ands, which are equivalent on all
byte orders. */
in->x_csect.x_smtyp = H_GET_8 (abfd, ext->x_csect.x_smtyp);
in->x_csect.x_smclas = H_GET_8 (abfd, ext->x_csect.x_smclas);
in->x_csect.x_stab = H_GET_32 (abfd, ext->x_csect.x_stab);
in->x_csect.x_snstab = H_GET_16 (abfd, ext->x_csect.x_snstab);
goto end;
}
break;
case C_STAT:
case C_LEAFSTAT:
case C_HIDDEN:
if (type == T_NULL)
{
in->x_scn.x_scnlen = H_GET_32 (abfd, ext->x_scn.x_scnlen);
in->x_scn.x_nreloc = H_GET_16 (abfd, ext->x_scn.x_nreloc);
in->x_scn.x_nlinno = H_GET_16 (abfd, ext->x_scn.x_nlinno);
/* PE defines some extra fields; we zero them out for
safety. */
in->x_scn.x_checksum = 0;
in->x_scn.x_associated = 0;
in->x_scn.x_comdat = 0;
goto end;
}
break;
}
in->x_sym.x_tagndx.l = H_GET_32 (abfd, ext->x_sym.x_tagndx);
in->x_sym.x_tvndx = H_GET_16 (abfd, ext->x_sym.x_tvndx);
if (in_class == C_BLOCK || in_class == C_FCN || ISFCN (type)
|| ISTAG (in_class))
{
in->x_sym.x_fcnary.x_fcn.x_lnnoptr =
H_GET_32 (abfd, ext->x_sym.x_fcnary.x_fcn.x_lnnoptr);
in->x_sym.x_fcnary.x_fcn.x_endndx.l =
H_GET_32 (abfd, ext->x_sym.x_fcnary.x_fcn.x_endndx);
}
else
{
in->x_sym.x_fcnary.x_ary.x_dimen[0] =
H_GET_16 (abfd, ext->x_sym.x_fcnary.x_ary.x_dimen[0]);
in->x_sym.x_fcnary.x_ary.x_dimen[1] =
H_GET_16 (abfd, ext->x_sym.x_fcnary.x_ary.x_dimen[1]);
in->x_sym.x_fcnary.x_ary.x_dimen[2] =
H_GET_16 (abfd, ext->x_sym.x_fcnary.x_ary.x_dimen[2]);
in->x_sym.x_fcnary.x_ary.x_dimen[3] =
H_GET_16 (abfd, ext->x_sym.x_fcnary.x_ary.x_dimen[3]);
}
if (ISFCN (type))
{
in->x_sym.x_misc.x_fsize = H_GET_32 (abfd, ext->x_sym.x_misc.x_fsize);
}
else
{
in->x_sym.x_misc.x_lnsz.x_lnno =
H_GET_16 (abfd, ext->x_sym.x_misc.x_lnsz.x_lnno);
in->x_sym.x_misc.x_lnsz.x_size =
H_GET_16 (abfd, ext->x_sym.x_misc.x_lnsz.x_size);
}
end: ;
/* The semicolon is because MSVC doesn't like labels at
end of block. */
}
unsigned int _bfd_xcoff_swap_aux_out
PARAMS ((bfd *, PTR, int, int, int, int, PTR));
unsigned int
_bfd_xcoff_swap_aux_out (abfd, inp, type, in_class, indx, numaux, extp)
bfd * abfd;
PTR inp;
int type;
int in_class;
int indx ATTRIBUTE_UNUSED;
int numaux ATTRIBUTE_UNUSED;
PTR extp;
{
union internal_auxent *in = (union internal_auxent *)inp;
AUXENT *ext = (AUXENT *)extp;
memset ((PTR)ext, 0, bfd_coff_auxesz (abfd));
switch (in_class)
{
case C_FILE:
if (in->x_file.x_fname[0] == 0)
{
H_PUT_32 (abfd, 0, ext->x_file.x_n.x_zeroes);
H_PUT_32 (abfd, in->x_file.x_n.x_offset, ext->x_file.x_n.x_offset);
}
else
{
memcpy (ext->x_file.x_fname, in->x_file.x_fname, FILNMLEN);
}
goto end;
/* RS/6000 "csect" auxents */
case C_EXT:
case C_AIX_WEAKEXT:
case C_HIDEXT:
if (indx + 1 == numaux)
{
H_PUT_32 (abfd, in->x_csect.x_scnlen.l, ext->x_csect.x_scnlen);
H_PUT_32 (abfd, in->x_csect.x_parmhash, ext->x_csect.x_parmhash);
H_PUT_16 (abfd, in->x_csect.x_snhash, ext->x_csect.x_snhash);
/* We don't have to hack bitfields in x_smtyp because it's
defined by shifts-and-ands, which are equivalent on all
byte orders. */
H_PUT_8 (abfd, in->x_csect.x_smtyp, ext->x_csect.x_smtyp);
H_PUT_8 (abfd, in->x_csect.x_smclas, ext->x_csect.x_smclas);
H_PUT_32 (abfd, in->x_csect.x_stab, ext->x_csect.x_stab);
H_PUT_16 (abfd, in->x_csect.x_snstab, ext->x_csect.x_snstab);
goto end;
}
break;
case C_STAT:
case C_LEAFSTAT:
case C_HIDDEN:
if (type == T_NULL)
{
H_PUT_32 (abfd, in->x_scn.x_scnlen, ext->x_scn.x_scnlen);
H_PUT_16 (abfd, in->x_scn.x_nreloc, ext->x_scn.x_nreloc);
H_PUT_16 (abfd, in->x_scn.x_nlinno, ext->x_scn.x_nlinno);
goto end;
}
break;
}
H_PUT_32 (abfd, in->x_sym.x_tagndx.l, ext->x_sym.x_tagndx);
H_PUT_16 (abfd, in->x_sym.x_tvndx, ext->x_sym.x_tvndx);
if (in_class == C_BLOCK || in_class == C_FCN || ISFCN (type)
|| ISTAG (in_class))
{
H_PUT_32 (abfd, in->x_sym.x_fcnary.x_fcn.x_lnnoptr,
ext->x_sym.x_fcnary.x_fcn.x_lnnoptr);
H_PUT_32 (abfd, in->x_sym.x_fcnary.x_fcn.x_endndx.l,
ext->x_sym.x_fcnary.x_fcn.x_endndx);
}
else
{
H_PUT_16 (abfd, in->x_sym.x_fcnary.x_ary.x_dimen[0],
ext->x_sym.x_fcnary.x_ary.x_dimen[0]);
H_PUT_16 (abfd, in->x_sym.x_fcnary.x_ary.x_dimen[1],
ext->x_sym.x_fcnary.x_ary.x_dimen[1]);
H_PUT_16 (abfd, in->x_sym.x_fcnary.x_ary.x_dimen[2],
ext->x_sym.x_fcnary.x_ary.x_dimen[2]);
H_PUT_16 (abfd, in->x_sym.x_fcnary.x_ary.x_dimen[3],
ext->x_sym.x_fcnary.x_ary.x_dimen[3]);
}
if (ISFCN (type))
H_PUT_32 (abfd, in->x_sym.x_misc.x_fsize, ext->x_sym.x_misc.x_fsize);
else
{
H_PUT_16 (abfd, in->x_sym.x_misc.x_lnsz.x_lnno,
ext->x_sym.x_misc.x_lnsz.x_lnno);
H_PUT_16 (abfd, in->x_sym.x_misc.x_lnsz.x_size,
ext->x_sym.x_misc.x_lnsz.x_size);
}
end:
return bfd_coff_auxesz (abfd);
}
/* 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. */
reloc_howto_type xcoff_howto_table[] =
{
/* Standard 32 bit relocation. */
HOWTO (R_POS, /* 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 (R_NEG, /* 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 (R_REL, /* 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 (R_TOC, /* type */
0, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */
16, /* bitsize */
FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_bitfield, /* 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 (R_RTB, /* 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 (R_GL, /* type */
0, /* rightshift */
1, /* 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 (R_TCL, /* type */
0, /* rightshift */
1, /* 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 */
EMPTY_HOWTO (7),
/* Non modifiable absolute branch. */
HOWTO (R_BA, /* 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_26", /* name */
TRUE, /* partial_inplace */
0x03fffffc, /* src_mask */
0x03fffffc, /* dst_mask */
FALSE), /* pcrel_offset */
EMPTY_HOWTO (9),
/* Non modifiable relative branch. */
HOWTO (R_BR, /* 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 */
0x03fffffc, /* src_mask */
0x03fffffc, /* dst_mask */
FALSE), /* pcrel_offset */
EMPTY_HOWTO (0xb),
/* Indirect load. */
HOWTO (R_RL, /* type */
0, /* rightshift */
1, /* 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 (R_RLA, /* type */
0, /* rightshift */
1, /* 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 */
EMPTY_HOWTO (0xe),
/* Non-relocating reference. Bitsize is 1 so that r_rsize is 0. */
HOWTO (R_REF, /* type */
0, /* rightshift */
0, /* size (0 = byte, 1 = short, 2 = long) */
1, /* bitsize */
FALSE, /* pc_relative */
0, /* bitpos */
complain_overflow_dont, /* complain_on_overflow */
0, /* special_function */
"R_REF", /* name */
FALSE, /* partial_inplace */
0, /* src_mask */
0, /* dst_mask */
FALSE), /* pcrel_offset */
EMPTY_HOWTO (0x10),
EMPTY_HOWTO (0x11),
/* TOC relative indirect load. */
HOWTO (R_TRL, /* type */
0, /* rightshift */
1, /* 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 (R_TRLA, /* type */
0, /* rightshift */
1, /* 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 (R_RRTBI, /* 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 (R_RRTBA, /* 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 (R_CAI, /* type */
0, /* rightshift */
1, /* 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 (R_CREL, /* type */
0, /* rightshift */
1, /* size (0 = byte, 1 = short, 2 = long) */