This is the mail archive of the
binutils@sources.redhat.com
mailing list for the binutils project.
xcoff64 bfd-coff64-rs6000.c.patch
- To: "binutils" <binutils at sources dot redhat dot com>
- Subject: xcoff64 bfd-coff64-rs6000.c.patch
- From: "Tom Rix" <trix at redhat dot com>
- Date: Mon, 29 Jan 2001 13:39:57 -0600
coff64-rs6000.c :
Many changes for 64 bit support.
64 bit linker now supported
Explictly define the rs6000coff64_vec
----------------------------------------------------------------------------
-
diff -rcp sources-original/src/bfd/coff64-rs6000.c
sources/src/bfd/coff64-rs6000.c
*** sources-original/src/bfd/coff64-rs6000.c Sat Jan 20 00:28:24 2001
--- sources/src/bfd/coff64-rs6000.c Mon Jan 29 11:48:14 2001
*************** You should have received a copy of the G
*** 20,35 ****
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
- /* Internalcoff.h and coffcode.h modify themselves based on these flags.
*/
- #define XCOFF64
- #define RS6000COFF_C 1
-
#include "bfd.h"
#include "sysdep.h"
#include "libbfd.h"
#include "coff/internal.h"
#include "coff/rs6k64.h"
! #include "libcoff.h"
#define GET_FILEHDR_SYMPTR bfd_h_get_64
#define PUT_FILEHDR_SYMPTR bfd_h_put_64
--- 20,34 ----
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "bfd.h"
#include "sysdep.h"
+ #include "bfdlink.h"
#include "libbfd.h"
#include "coff/internal.h"
+ #include "coff/xcoff.h"
#include "coff/rs6k64.h"
! #include "libcoff.h"
! #include "libxcoff.h"
#define GET_FILEHDR_SYMPTR bfd_h_get_64
#define PUT_FILEHDR_SYMPTR bfd_h_put_64
*************** do { \
*** 74,83 ****
memset (((SCNHDR *)EXT)->s_pad, 0, sizeof (((SCNHDR *)EXT)->s_pad));\
} while (0)
#define NO_COFF_LINENOS
! #define coff_SWAP_lineno_in xcoff64_swap_lineno_in
! #define coff_SWAP_lineno_out xcoff64_swap_lineno_out
#define PUTWORD bfd_h_put_32
#define PUTHALF bfd_h_put_16
--- 73,87 ----
memset (((SCNHDR *)EXT)->s_pad, 0, sizeof (((SCNHDR *)EXT)->s_pad));\
} while (0)
+ /* In case we're on a 32-bit machine, construct a 64-bit "-1" value
+ from smaller values. Start with zero, widen, *then* decrement. */
+ #define MINUS_ONE (((bfd_vma)0) - 1)
+
+
#define NO_COFF_LINENOS
! #define coff_SWAP_lineno_in _bfd_xcoff64_swap_lineno_in
! #define coff_SWAP_lineno_out _bfd_xcoff64_swap_lineno_out
#define PUTWORD bfd_h_put_32
#define PUTHALF bfd_h_put_16
*************** do { \
*** 86,95 ****
#define GETHALF bfd_h_get_16
#define GETBYTE bfd_h_get_8
! /* For XCOFF64, the effective width of symndx changes depending on
whether we are the first entry. Sigh. */
static void
! xcoff64_swap_lineno_in (abfd, ext1, in1)
bfd *abfd;
PTR ext1;
PTR in1;
--- 90,99 ----
#define GETHALF bfd_h_get_16
#define GETBYTE bfd_h_get_8
! /* For XCOFF64, the effective width of symndx changes depending on
whether we are the first entry. Sigh. */
static void
! _bfd_xcoff64_swap_lineno_in (abfd, ext1, in1)
bfd *abfd;
PTR ext1;
PTR in1;
*************** xcoff64_swap_lineno_in (abfd, ext1, in1)
*** 99,113 ****
in->l_lnno = bfd_h_get_32(abfd, (bfd_byte *) (ext->l_lnno));
if (in->l_lnno == 0)
! in->l_addr.l_symndx =
bfd_h_get_32(abfd, (bfd_byte *) ext->l_addr.l_symndx);
else
! in->l_addr.l_symndx =
! bfd_h_get_64(abfd, (bfd_byte *) ext->l_addr.l_symndx);
}
static unsigned int
! xcoff64_swap_lineno_out (abfd, inp, outp)
bfd *abfd;
PTR inp;
PTR outp;
--- 103,118 ----
in->l_lnno = bfd_h_get_32(abfd, (bfd_byte *) (ext->l_lnno));
if (in->l_lnno == 0)
! in->l_addr.l_symndx =
bfd_h_get_32(abfd, (bfd_byte *) ext->l_addr.l_symndx);
else
! in->l_addr.l_paddr =
! bfd_h_get_64(abfd, (bfd_byte *) ext->l_addr.l_paddr);
}
+
static unsigned int
! _bfd_xcoff64_swap_lineno_out (abfd, inp, outp)
bfd *abfd;
PTR inp;
PTR outp;
*************** xcoff64_swap_lineno_out (abfd, inp, outp
*** 121,165 ****
if (in->l_lnno == 0)
bfd_h_put_32 (abfd, in->l_addr.l_symndx, (bfd_byte
*)ext->l_addr.l_symndx);
else
! bfd_h_put_64 (abfd, in->l_addr.l_symndx, (bfd_byte
*)ext->l_addr.l_symndx);
return bfd_coff_linesz (abfd);
}
! static void xcoff64_swap_sym_in PARAMS ((bfd *, PTR, PTR));
! static unsigned int xcoff64_swap_sym_out PARAMS ((bfd *, PTR, PTR));
! static void xcoff64_swap_aux_in PARAMS ((bfd *, PTR, int, int, int, int,
PTR));
! static unsigned int xcoff64_swap_aux_out PARAMS ((bfd *, PTR, int, int,
int, int, PTR));
static void
! xcoff64_swap_sym_in (abfd, ext1, in1)
bfd *abfd;
PTR ext1;
PTR in1;
{
! SYMENT *ext = (SYMENT *)ext1;
struct internal_syment *in = (struct internal_syment *)in1;
in->_n._n_n._n_zeroes = 0;
in->_n._n_n._n_offset = bfd_h_get_32(abfd, (bfd_byte *) ext->e_offset);
! in->n_value = bfd_h_get_64(abfd, (bfd_byte *) ext->e.e_value);
in->n_scnum = bfd_h_get_16(abfd, (bfd_byte *) ext->e_scnum);
in->n_type = bfd_h_get_16(abfd, (bfd_byte *) ext->e_type);
in->n_sclass = bfd_h_get_8(abfd, ext->e_sclass);
in->n_numaux = bfd_h_get_8(abfd, ext->e_numaux);
}
static unsigned int
! xcoff64_swap_sym_out (abfd, inp, extp)
bfd *abfd;
PTR inp;
PTR extp;
{
struct internal_syment *in = (struct internal_syment *)inp;
! SYMENT *ext =(SYMENT *)extp;
bfd_h_put_32(abfd, in->_n._n_n._n_offset, (bfd_byte *) ext->e_offset);
! bfd_h_put_64(abfd, in->n_value , (bfd_byte *) ext->e.e_value);
bfd_h_put_16(abfd, in->n_scnum , (bfd_byte *) ext->e_scnum);
bfd_h_put_16(abfd, in->n_type , (bfd_byte *) ext->e_type);
bfd_h_put_8(abfd, in->n_sclass , ext->e_sclass);
--- 126,172 ----
if (in->l_lnno == 0)
bfd_h_put_32 (abfd, in->l_addr.l_symndx, (bfd_byte
*)ext->l_addr.l_symndx);
else
! bfd_h_put_64 (abfd, in->l_addr.l_paddr, (bfd_byte
*)ext->l_addr.l_paddr);
return bfd_coff_linesz (abfd);
}
!
! static void _bfd_xcoff64_swap_sym_in PARAMS ((bfd *, PTR, PTR));
! static unsigned int _bfd_xcoff64_swap_sym_out PARAMS ((bfd *, PTR, PTR));
! static void _bfd_xcoff64_swap_aux_in PARAMS ((bfd *, PTR, int, int, int,
int, PTR));
! static unsigned int _bfd_xcoff64_swap_aux_out PARAMS ((bfd *, PTR, int,
int, int, int, PTR));
static void
! _bfd_xcoff64_swap_sym_in (abfd, ext1, in1)
bfd *abfd;
PTR ext1;
PTR in1;
{
! struct external_syment *ext = (struct external_syment *)ext1;
struct internal_syment *in = (struct internal_syment *)in1;
in->_n._n_n._n_zeroes = 0;
in->_n._n_n._n_offset = bfd_h_get_32(abfd, (bfd_byte *) ext->e_offset);
! in->n_value = bfd_h_get_64(abfd, (bfd_byte *) ext->e_value);
in->n_scnum = bfd_h_get_16(abfd, (bfd_byte *) ext->e_scnum);
in->n_type = bfd_h_get_16(abfd, (bfd_byte *) ext->e_type);
in->n_sclass = bfd_h_get_8(abfd, ext->e_sclass);
in->n_numaux = bfd_h_get_8(abfd, ext->e_numaux);
}
+
static unsigned int
! _bfd_xcoff64_swap_sym_out (abfd, inp, extp)
bfd *abfd;
PTR inp;
PTR extp;
{
struct internal_syment *in = (struct internal_syment *)inp;
! struct external_syment *ext =(struct external_syment *)extp;
bfd_h_put_32(abfd, in->_n._n_n._n_offset, (bfd_byte *) ext->e_offset);
! bfd_h_put_64(abfd, in->n_value , (bfd_byte *) ext->e_value);
bfd_h_put_16(abfd, in->n_scnum , (bfd_byte *) ext->e_scnum);
bfd_h_put_16(abfd, in->n_type , (bfd_byte *) ext->e_type);
bfd_h_put_8(abfd, in->n_sclass , ext->e_sclass);
*************** xcoff64_swap_sym_out (abfd, inp, extp)
*** 168,174 ****
}
static void
! xcoff64_swap_aux_in (abfd, ext1, type, class, indx, numaux, in1)
bfd *abfd;
PTR ext1;
int type;
--- 175,181 ----
}
static void
! _bfd_xcoff64_swap_aux_in (abfd, ext1, type, class, indx, numaux, in1)
bfd *abfd;
PTR ext1;
int type;
*************** xcoff64_swap_aux_in (abfd, ext1, type, c
*** 177,203 ****
int numaux;
PTR in1;
{
! AUXENT *ext = (AUXENT *)ext1;
union internal_auxent *in = (union internal_auxent *)in1;
switch (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 =
bfd_h_get_32(abfd, (bfd_byte *) 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 */
--- 184,202 ----
int numaux;
PTR in1;
{
! union external_auxent *ext = (union external_auxent *)ext1;
union internal_auxent *in = (union internal_auxent *)in1;
switch (class) {
case C_FILE:
! if (ext->x_file.x_n.x_zeroes == 0) {
in->x_file.x_n.x_zeroes = 0;
! in->x_file.x_n.x_offset =
bfd_h_get_32(abfd, (bfd_byte *) ext->x_file.x_n.x_offset);
} else {
memcpy (in->x_file.x_fname, ext->x_file.x_fname,
! bfd_coff_filnmlen(abfd));
! }
goto end;
/* RS/6000 "csect" auxents */
*************** xcoff64_swap_aux_in (abfd, ext1, type, c
*** 205,214 ****
case C_HIDEXT:
if (indx + 1 == numaux)
{
! in->x_csect.x_scnlen.l =
! bfd_h_get_32(abfd, ext->x_csect.x_scnlen_lo);
! /* FIXME: If we want section lengths larger than 32 bits, we need
! to modify the internal coff structures to support it. */
in->x_csect.x_parmhash = bfd_h_get_32 (abfd,
ext->x_csect.x_parmhash);
in->x_csect.x_snhash = bfd_h_get_16 (abfd, ext->x_csect.x_snhash);
--- 204,217 ----
case C_HIDEXT:
if (indx + 1 == numaux)
{
! bfd_signed_vma h = 0;
! bfd_vma l = 0;
!
! h = bfd_h_get_signed_32(abfd, ext->x_csect.x_scnlen_hi);
! l = bfd_h_get_32 (abfd, ext->x_csect.x_scnlen_lo);
!
! in->x_csect.x_scnlen.l = h << 32 | (l & 0xffffffff);
!
in->x_csect.x_parmhash = bfd_h_get_32 (abfd,
ext->x_csect.x_parmhash);
in->x_csect.x_snhash = bfd_h_get_16 (abfd, ext->x_csect.x_snhash);
*************** xcoff64_swap_aux_in (abfd, ext1, type, c
*** 255,266 ****
end: ;
/* the semicolon is because MSVC doesn't like labels at
! end of block. */
}
static unsigned int
! xcoff64_swap_aux_out (abfd, inp, type, class, indx, numaux, extp)
bfd *abfd;
PTR inp;
int type;
--- 258,270 ----
end: ;
/* the semicolon is because MSVC doesn't like labels at
! end of block. */
}
+
static unsigned int
! _bfd_xcoff64_swap_aux_out (abfd, inp, type, class, indx, numaux, extp)
bfd *abfd;
PTR inp;
int type;
*************** xcoff64_swap_aux_out (abfd, inp, type, c
*** 270,293 ****
PTR extp;
{
union internal_auxent *in = (union internal_auxent *)inp;
! AUXENT *ext = (AUXENT *)extp;
memset((PTR)ext, 0, bfd_coff_auxesz (abfd));
switch (class)
{
case C_FILE:
! if (in->x_file.x_fname[0] == 0)
! {
! PUTWORD(abfd, 0, (bfd_byte *) ext->x_file.x_n.x_zeroes);
! PUTWORD(abfd,
! in->x_file.x_n.x_offset,
(bfd_byte *) ext->x_file.x_n.x_offset);
}
! else
! {
! memcpy (ext->x_file.x_fname, in->x_file.x_fname, FILNMLEN);
! }
! PUTBYTE (abfd, _AUX_FILE, (bfd_byte *) ext->x_auxtype.x_auxtype);
goto end;
/* RS/6000 "csect" auxents */
--- 274,294 ----
PTR extp;
{
union internal_auxent *in = (union internal_auxent *)inp;
! union external_auxent *ext = (union external_auxent *)extp;
memset((PTR)ext, 0, bfd_coff_auxesz (abfd));
switch (class)
{
case C_FILE:
! if (ext->x_file.x_n.x_zeroes == 0) {
! bfd_h_put_32 (abfd, 0, (bfd_byte *) ext->x_file.x_n.x_zeroes);
! bfd_h_put_32 (abfd, in->x_file.x_n.x_offset,
(bfd_byte *) ext->x_file.x_n.x_offset);
+ } else {
+ memcpy (ext->x_file.x_fname, in->x_file.x_fname,
+ bfd_coff_filnmlen(abfd));
}
! bfd_h_put_8 (abfd, _AUX_FILE, (bfd_byte *) ext->x_auxtype.x_auxtype);
goto end;
/* RS/6000 "csect" auxents */
*************** xcoff64_swap_aux_out (abfd, inp, type, c
*** 295,309 ****
case C_HIDEXT:
if (indx + 1 == numaux)
{
! PUTWORD (abfd, in->x_csect.x_scnlen.l, ext->x_csect.x_scnlen_lo);
! PUTWORD (abfd, in->x_csect.x_parmhash, ext->x_csect.x_parmhash);
! PUTHALF (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. */
! PUTBYTE (abfd, in->x_csect.x_smtyp, ext->x_csect.x_smtyp);
! PUTBYTE (abfd, in->x_csect.x_smclas, ext->x_csect.x_smclas);
! PUTBYTE (abfd, _AUX_CSECT, (bfd_byte *) ext->x_auxtype.x_auxtype);
goto end;
}
break;
--- 296,315 ----
case C_HIDEXT:
if (indx + 1 == numaux)
{
! bfd_vma temp;
!
! temp = in->x_csect.x_scnlen.l & 0xffffffff;
! bfd_h_put_32 (abfd, temp, ext->x_csect.x_scnlen_lo);
! temp = in->x_csect.x_scnlen.l >> 32;
! bfd_h_put_32 (abfd, temp, ext->x_csect.x_scnlen_hi);
! bfd_h_put_32 (abfd, in->x_csect.x_parmhash, ext->x_csect.x_parmhash);
! bfd_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. */
! bfd_h_put_8 (abfd, in->x_csect.x_smtyp, ext->x_csect.x_smtyp);
! bfd_h_put_8 (abfd, in->x_csect.x_smclas, ext->x_csect.x_smclas);
! bfd_h_put_8 (abfd, _AUX_CSECT, (bfd_byte *)
ext->x_auxtype.x_auxtype);
goto end;
}
break;
*************** xcoff64_swap_aux_out (abfd, inp, type, c
*** 319,352 ****
if (class == C_BLOCK || class == C_FCN || ISFCN (type) || ISTAG (class))
{
! bfd_h_put_64(abfd, in->x_sym.x_fcnary.x_fcn.x_lnnoptr,
! (bfd_byte *) ext->x_sym.x_fcnary.x_fcn.x_lnnoptr);
! PUTBYTE (abfd, _AUX_FCN, (bfd_byte *) ext->x_auxtype.x_auxtype);
! PUTWORD(abfd, in->x_sym.x_fcnary.x_fcn.x_endndx.l,
! (bfd_byte *) ext->x_sym.x_fcnary.x_fcn.x_endndx);
}
if (ISFCN (type))
! PUTWORD (abfd, in->x_sym.x_misc.x_fsize,
! (bfd_byte *) ext->x_sym.x_fcnary.x_fcn.x_fsize);
else
{
! bfd_h_put_32(abfd, in->x_sym.x_misc.x_lnsz.x_lnno,
(bfd_byte *)ext->x_sym.x_fcnary.x_lnsz.x_lnno);
! bfd_h_put_16(abfd, in->x_sym.x_misc.x_lnsz.x_size,
(bfd_byte *)ext->x_sym.x_fcnary.x_lnsz.x_size);
}
end:
return bfd_coff_auxesz (abfd);
}
! #define coff_SWAP_sym_in xcoff64_swap_sym_in
! #define coff_SWAP_sym_out xcoff64_swap_sym_out
! #define coff_SWAP_aux_in xcoff64_swap_aux_in
! #define coff_SWAP_aux_out xcoff64_swap_aux_out
- #define TARGET_NAME "aixcoff64-rs6000"
- #define TARGET_SYM rs6000coff64_vec
- #include "xcoff-target.h"
--- 325,2346 ----
if (class == C_BLOCK || class == C_FCN || ISFCN (type) || ISTAG (class))
{
! bfd_h_put_64(abfd, in->x_sym.x_fcnary.x_fcn.x_lnnoptr,
! (bfd_byte *) ext->x_sym.x_fcnary.x_fcn.x_lnnoptr);
! bfd_h_put_8 (abfd, _AUX_FCN, (bfd_byte *) ext->x_auxtype.x_auxtype);
! bfd_h_put_32(abfd, in->x_sym.x_fcnary.x_fcn.x_endndx.l,
! (bfd_byte *) ext->x_sym.x_fcnary.x_fcn.x_endndx);
}
if (ISFCN (type))
! bfd_h_put_32 (abfd, in->x_sym.x_misc.x_fsize,
! (bfd_byte *) ext->x_sym.x_fcnary.x_fcn.x_fsize);
else
{
! bfd_h_put_32(abfd, in->x_sym.x_misc.x_lnsz.x_lnno,
(bfd_byte *)ext->x_sym.x_fcnary.x_lnsz.x_lnno);
! bfd_h_put_16(abfd, in->x_sym.x_misc.x_lnsz.x_size,
(bfd_byte *)ext->x_sym.x_fcnary.x_lnsz.x_size);
}
end:
+
return bfd_coff_auxesz (abfd);
}
! static boolean
! _bfd_xcoff64_put_symbol_name (abfd, strtab, sym, name)
! bfd *abfd;
! struct bfd_strtab_hash *strtab;
! struct internal_syment *sym;
! const char *name;
! {
! boolean hash;
! bfd_size_type indx;
!
! hash = true;
!
! if ((abfd->flags & BFD_TRADITIONAL_FORMAT) != 0)
! hash = false;
!
! indx = _bfd_stringtab_add (strtab, name, hash, false);
!
! if (indx == (bfd_size_type) -1)
! return false;
!
! sym->_n._n_n._n_zeroes = 0;
! sym->_n._n_n._n_offset = STRING_SIZE_SIZE + indx;
!
! return true;
! }
!
! static boolean
! _bfd_xcoff64_put_ldsymbol_name (abfd, ldinfo, ldsym, name)
! bfd *abfd ATTRIBUTE_UNUSED;
! struct xcoff_loader_info *ldinfo;
! struct internal_ldsym *ldsym;
! const char *name;
! {
!
! size_t len;
!
! len = strlen (name);
!
! if (ldinfo->string_size + len + 3 > ldinfo->string_alc){
! size_t newalc;
! bfd_byte *newstrings;
!
! newalc = ldinfo->string_alc * 2;
! if (newalc == 0)
! newalc = 32;
! while (ldinfo->string_size + len + 3 > newalc)
! newalc *= 2;
!
! newstrings = ((bfd_byte *)
! bfd_realloc ((PTR) ldinfo->strings, newalc));
! if (newstrings == NULL) {
! ldinfo->failed = true;
! return false;
! }
! ldinfo->string_alc = newalc;
! ldinfo->strings = newstrings;
! }
!
! bfd_put_16 (ldinfo->output_bfd, len + 1,
! ldinfo->strings + ldinfo->string_size);
! strcpy (ldinfo->strings + ldinfo->string_size + 2, name);
! ldsym->_l._l_l._l_zeroes = 0;
! ldsym->_l._l_l._l_offset = ldinfo->string_size + 2;
! ldinfo->string_size += len + 3;
!
! return true;
! }
!
! extern const bfd_target * rs6000coff_core_p ();
! extern boolean rs6000coff_core_file_matches_executable_p ();
! extern char *rs6000coff_core_file_failing_command PARAMS ((bfd *abfd));
! extern int rs6000coff_core_file_failing_signal PARAMS ((bfd *abfd));
! extern boolean _bfd_xcoff_mkobject PARAMS ((bfd *));
! extern boolean _bfd_xcoff_copy_private_bfd_data PARAMS ((bfd *, bfd *));
! extern boolean _bfd_xcoff_is_local_label_name PARAMS ((bfd *, const char
*));
! extern void xcoff64_rtype2howto
! PARAMS ((arelent *, struct internal_reloc *));
! extern reloc_howto_type * xcoff64_reloc_type_lookup
! PARAMS ((bfd *, bfd_reloc_code_real_type));
! extern boolean _bfd_xcoff_slurp_armap 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_generic_stat_arch_elt PARAMS ((bfd *, struct stat
*));
! extern boolean _bfd_xcoff_write_armap
! PARAMS ((bfd *, unsigned int, struct orl *, unsigned int, int));
! extern boolean _bfd_xcoff_write_archive_contents PARAMS ((bfd *));
! extern int _bfd_xcoff_sizeof_headers PARAMS ((bfd *, boolean));
! 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));
!
! /* coffcode.h needs these to be defined */
! /* Internalcoff.h and coffcode.h modify themselves based on these flags.
*/
! #define XCOFF64
! #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) xcoff64_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 xcoff64_reloc_type_lookup
! #define CORE_FILE_P rs6000coff_core_p
! #define coff_SWAP_sym_in _bfd_xcoff64_swap_sym_in
! #define coff_SWAP_sym_out _bfd_xcoff64_swap_sym_out
! #define coff_SWAP_aux_in _bfd_xcoff64_swap_aux_in
! #define coff_SWAP_aux_out _bfd_xcoff64_swap_aux_out
!
!
!
! #include "coffcode.h"
!
! /* Routines to swap information in the XCOFF .loader section. If we
! ever need to write an XCOFF loader, this stuff will need to be
! moved to another file shared by the linker (which XCOFF calls the
! ``binder'') and the loader. */
!
! /* Swap in the ldhdr structure. */
!
! static void
! xcoff64_swap_ldhdr_in (abfd, src, dst)
! bfd *abfd;
! const struct external_ldhdr *src;
! struct internal_ldhdr *dst;
! {
! dst->l_version = bfd_get_32 (abfd, src->l_version);
! dst->l_nsyms = bfd_get_32 (abfd, src->l_nsyms);
! dst->l_nreloc = bfd_get_32 (abfd, src->l_nreloc);
! dst->l_istlen = bfd_get_32 (abfd, src->l_istlen);
! dst->l_nimpid = bfd_get_32 (abfd, src->l_nimpid);
! dst->l_stlen = bfd_get_32 (abfd, src->l_stlen);
! dst->l_impoff = bfd_get_64 (abfd, src->l_impoff);
! dst->l_stoff = bfd_get_64 (abfd, src->l_stoff);
! dst->l_symoff = bfd_get_64 (abfd, src->l_symoff);
! dst->l_rldoff = bfd_get_64 (abfd, src->l_rldoff);
! }
!
! /* Swap out the ldhdr structure. */
!
! static void
! xcoff64_swap_ldhdr_out (abfd, src, dst)
! bfd *abfd;
! const struct internal_ldhdr *src;
! struct external_ldhdr *dst;
! {
! bfd_put_32 (abfd, src->l_version, dst->l_version);
! bfd_put_32 (abfd, src->l_nsyms, dst->l_nsyms);
! bfd_put_32 (abfd, src->l_nreloc, dst->l_nreloc);
! bfd_put_32 (abfd, src->l_istlen, dst->l_istlen);
! bfd_put_32 (abfd, src->l_nimpid, dst->l_nimpid);
! bfd_put_32 (abfd, src->l_stlen, dst->l_stlen);
! bfd_put_64 (abfd, src->l_impoff, dst->l_impoff);
! bfd_put_64 (abfd, src->l_stoff, dst->l_stoff);
! bfd_put_64 (abfd, src->l_symoff, dst->l_symoff);
! bfd_put_64 (abfd, src->l_rldoff, dst->l_rldoff);
! }
!
! /* Swap in the ldsym structure. */
!
! static void
! xcoff64_swap_ldsym_in (abfd, src, dst)
! bfd *abfd;
! const struct external_ldsym *src;
! struct internal_ldsym *dst;
! {
! /*
! * XCOFF64 does not use l_zeroes like XCOFF32
! * Set the internal l_zeroes to 0 so the common 32/64 code uses l_value
! * as an offset into the loader symbol table
! */
! dst->_l._l_l._l_zeroes = 0;
! dst->_l._l_l._l_offset = bfd_get_32 (abfd, src->l_offset);
! dst->l_value = bfd_get_64 (abfd, src->l_value);
! dst->l_scnum = bfd_get_16 (abfd, src->l_scnum);
! dst->l_smtype = bfd_get_8 (abfd, src->l_smtype);
! dst->l_smclas = bfd_get_8 (abfd, src->l_smclas);
! dst->l_ifile = bfd_get_32 (abfd, src->l_ifile);
! dst->l_parm = bfd_get_32 (abfd, src->l_parm);
! }
!
! /* Swap out the ldsym structure. */
!
! static void
! xcoff64_swap_ldsym_out (abfd, src, dst)
! bfd *abfd;
! const struct internal_ldsym *src;
! struct external_ldsym *dst;
! {
! bfd_put_64 (abfd, src->l_value, dst->l_value);
! bfd_put_32 (abfd, src->_l._l_l._l_offset, dst->l_offset);
! bfd_put_16 (abfd, src->l_scnum, dst->l_scnum);
! bfd_put_8 (abfd, src->l_smtype, dst->l_smtype);
! bfd_put_8 (abfd, src->l_smclas, dst->l_smclas);
! bfd_put_32 (abfd, src->l_ifile, dst->l_ifile);
! bfd_put_32 (abfd, src->l_parm, dst->l_parm);
! }
!
! /* Swap in the ldrel structure. */
!
! static void
! xcoff64_swap_ldrel_in (abfd, src, dst)
! bfd *abfd;
! const struct external_ldrel *src;
! struct internal_ldrel *dst;
! {
! dst->l_vaddr = bfd_get_64 (abfd, src->l_vaddr);
! dst->l_symndx = bfd_get_32 (abfd, src->l_symndx);
! dst->l_rtype = bfd_get_16 (abfd, src->l_rtype);
! dst->l_rsecnm = bfd_get_16 (abfd, src->l_rsecnm);
! }
!
! /* Swap out the ldrel structure. */
!
! static void
! xcoff64_swap_ldrel_out (abfd, src, dst)
! bfd *abfd;
! const struct internal_ldrel *src;
! struct external_ldrel *dst;
! {
! bfd_put_64 (abfd, src->l_vaddr, dst->l_vaddr);
! bfd_put_16 (abfd, src->l_rtype, dst->l_rtype);
! bfd_put_16 (abfd, src->l_rsecnm, dst->l_rsecnm);
! bfd_put_32 (abfd, src->l_symndx, dst->l_symndx);
! }
!
! static boolean
! xcoff64_write_object_contents (abfd)
! bfd * abfd;
! {
! asection *current;
! boolean hasrelocs = false;
! boolean haslinno = false;
! file_ptr scn_base;
! file_ptr reloc_base;
! file_ptr lineno_base;
! file_ptr sym_base;
! unsigned long reloc_size = 0;
! unsigned long lnno_size = 0;
! boolean long_section_names;
! asection *text_sec = ((void *)0) ;
! asection *data_sec = ((void *)0) ;
! asection *bss_sec = ((void *)0) ;
! struct internal_filehdr internal_f;
! struct internal_aouthdr internal_a;
!
! bfd_set_error (bfd_error_system_call);
!
! if (abfd->output_has_begun == false) {
! if (! bfd_coff_compute_section_file_positions (abfd))
! return false;
! }
!
! /* Work out the size of the reloc and linno areas */
! reloc_base = obj_relocbase (abfd);
!
! for (current = abfd->sections; current != NULL; current = current->next)
{
! reloc_size += current->reloc_count * bfd_coff_relsz (abfd);
! }
!
! lineno_base = reloc_base + reloc_size;
!
! /* Make a pass through the symbol table to count line number entries and
! put them into the correct asections */
! lnno_size = coff_count_linenumbers (abfd) * bfd_coff_linesz (abfd);
!
! sym_base = lineno_base + lnno_size;
!
! /* Indicate in each section->line_filepos its actual file address */
! for (current = abfd->sections; current != NULL; current =
current->next) {
! if (current->lineno_count) {
! current->line_filepos = lineno_base;
! current->moving_line_filepos = lineno_base;
! lineno_base += current->lineno_count * bfd_coff_linesz (abfd);
! } else {
! current->line_filepos = 0;
! }
!
! if (current->reloc_count) {
! current->rel_filepos = reloc_base;
! reloc_base += current->reloc_count * bfd_coff_relsz (abfd);
! } else {
! current->rel_filepos = 0;
! }
! }
!
! if ((abfd->flags & EXEC_P) != 0) {
! scn_base = bfd_coff_filhsz (abfd) + bfd_coff_aoutsz (abfd);
! internal_f.f_opthdr = bfd_coff_aoutsz (abfd);
! } else {
! scn_base = bfd_coff_filhsz (abfd);
! internal_f.f_opthdr = 0;
! }
!
! internal_f.f_nscns = 0;
!
! if (bfd_seek (abfd, scn_base, SEEK_SET) != 0)
! return false;
!
! long_section_names = false;
! for (current = abfd->sections; current != NULL; current = current->next)
{
!
! struct internal_scnhdr section;
! struct external_scnhdr buff;
!
! internal_f.f_nscns++;
!
! strncpy (section.s_name, current->name, SCNNMLEN);
!
! section.s_vaddr = current->vma;
! section.s_paddr = current->lma;
! #ifdef coff_get_section_load_page
! section.s_page = coff_get_section_load_page (current);
! #endif
! section.s_size = current->_raw_size;
!
! /*
! If this section has no size or is unloadable then the scnptr
! will be 0 too
! */
! if (current->_raw_size == 0 ||
! (current->flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0) {
! section.s_scnptr = 0;
! } else {
! section.s_scnptr = current->filepos;
! }
!
! section.s_relptr = current->rel_filepos;
! section.s_lnnoptr = current->line_filepos;
! section.s_nreloc = current->reloc_count;
!
! section.s_nlnno = current->lineno_count;
! if (current->reloc_count != 0)
! hasrelocs = true;
! if (current->lineno_count != 0)
! haslinno = true;
!
! section.s_flags = sec_to_styp_flags (current->name, current->flags);
!
! if (!strcmp (current->name, _TEXT)) {
! text_sec = current;
! } else if (!strcmp (current->name, _DATA)) {
! data_sec = current;
! } else if (!strcmp (current->name, _BSS)) {
! bss_sec = current;
! }
!
! if (bfd_coff_swap_scnhdr_out (abfd, §ion, &buff) == 0
! || bfd_write ((PTR) (&buff), 1, bfd_coff_scnhsz (abfd), abfd)
! != bfd_coff_scnhsz (abfd))
! return false;
! }
!
! internal_f.f_timdat = 0;
!
! internal_f.f_flags = 0;
!
! if (!hasrelocs)
! internal_f.f_flags |= F_RELFLG;
! if (!haslinno)
! internal_f.f_flags |= F_LNNO;
! if (abfd->flags & EXEC_P)
! internal_f.f_flags |= F_EXEC;
!
! /* FIXME: this is wrong for PPC_PE! */
! if (bfd_little_endian (abfd))
! internal_f.f_flags |= F_AR32WR;
! else
! internal_f.f_flags |= F_AR32W;
!
! if ((abfd->flags & DYNAMIC) != 0)
! internal_f.f_flags |= F_SHROBJ;
! if (bfd_get_section_by_name (abfd, _LOADER) != NULL)
! internal_f.f_flags |= F_DYNLOAD;
!
! memset (&internal_a, 0, sizeof internal_a);
!
!
! /*
! * This can only be called from the xcoff64 backend so the magic # must
! * be for xcoff64
! */
! internal_f.f_magic = 0757;
!
! internal_a.magic = (abfd->flags & D_PAGED) ? RS6K_AOUTHDR_ZMAGIC :
! (abfd->flags & WP_TEXT) ? RS6K_AOUTHDR_NMAGIC :
! RS6K_AOUTHDR_OMAGIC;
!
! /* FIXME: Does anybody ever set this to another value? */
! internal_a.vstamp = 0;
!
! /* Now should write relocs, strings, syms */
! obj_sym_filepos (abfd) = sym_base;
!
! internal_f.f_symptr = 0;
! internal_f.f_nsyms = 0;
!
! /*
! * If bfd_get_symcount (abfd) != 0, then we are not using the COFF
! * backend linker, and obj_raw_syment_count is not valid until after
! * coff_write_symbols is called.
! */
! if (bfd_get_symcount (abfd) != 0) {
! int firstundef;
!
! if (!coff_renumber_symbols (abfd, &firstundef))
! return false;
! coff_mangle_symbols (abfd);
! if (! coff_write_symbols (abfd))
! return false;
! if (! coff_write_linenumbers (abfd))
! return false;
! if (! coff_write_relocs (abfd, firstundef))
! return false;
!
! internal_f.f_symptr = sym_base;
! internal_f.f_nsyms = bfd_get_symcount (abfd);
! } else if (obj_raw_syment_count (abfd) != 0) {
! internal_f.f_symptr = sym_base;
!
! /*
! * AIX appears to require that F_RELFLG not be set if there are
! * local symbols but no relocations.
! */
! internal_f.f_flags &=~ F_RELFLG;
! } else {
! internal_f.f_flags |= F_LSYMS;
! }
!
! if (text_sec) {
! internal_a.tsize = bfd_get_section_size_before_reloc (text_sec);
! internal_a.text_start = internal_a.tsize ? text_sec->vma : 0;
! }
!
! if (data_sec) {
! internal_a.dsize = bfd_get_section_size_before_reloc (data_sec);
! internal_a.data_start = internal_a.dsize ? data_sec->vma : 0;
! }
!
! if (bss_sec) {
! internal_a.bsize = bfd_get_section_size_before_reloc (bss_sec);
! if (internal_a.bsize && bss_sec->vma < internal_a.data_start)
! internal_a.data_start = bss_sec->vma;
! }
!
! internal_a.entry = bfd_get_start_address (abfd);
! internal_f.f_nsyms = obj_raw_syment_count (abfd);
!
! if (xcoff_data (abfd)->full_aouthdr) {
!
! bfd_vma toc;
! asection *loader_sec;
!
! internal_a.vstamp = 1;
!
! internal_a.o_snentry = xcoff_data (abfd)->snentry;
! if (internal_a.o_snentry == 0)
! internal_a.entry = (bfd_vma) -1;
!
! if (text_sec != NULL) {
! internal_a.o_sntext = text_sec->target_index;
! internal_a.o_algntext = bfd_get_section_alignment (abfd, text_sec);
! } else {
! internal_a.o_sntext = 0;
! internal_a.o_algntext = 0;
! }
!
! if (data_sec != NULL) {
! internal_a.o_sndata = data_sec->target_index;
! internal_a.o_algndata = bfd_get_section_alignment (abfd, data_sec);
! } else {
! internal_a.o_sndata = 0;
! internal_a.o_algndata = 0;
! }
!
! loader_sec = bfd_get_section_by_name (abfd, ".loader");
! if (loader_sec != NULL)
! internal_a.o_snloader = loader_sec->target_index;
! else
! internal_a.o_snloader = 0;
! if (bss_sec != NULL)
! internal_a.o_snbss = bss_sec->target_index;
! else
! internal_a.o_snbss = 0;
!
! toc = xcoff_data (abfd)->toc;
! internal_a.o_toc = toc;
! internal_a.o_sntoc = xcoff_data (abfd)->sntoc;
!
! internal_a.o_modtype = xcoff_data (abfd)->modtype;
! if (xcoff_data (abfd)->cputype != -1)
! internal_a.o_cputype = xcoff_data (abfd)->cputype;
! else
! {
! switch (bfd_get_arch (abfd))
! {
! case bfd_arch_rs6000:
! internal_a.o_cputype = 4;
! break;
! case bfd_arch_powerpc:
! if (bfd_get_mach (abfd) == 0)
! internal_a.o_cputype = 3;
! else
! internal_a.o_cputype = 1;
! break;
! default:
! abort ();
! }
! }
! internal_a.o_maxstack = xcoff_data (abfd)->maxstack;
! internal_a.o_maxdata = xcoff_data (abfd)->maxdata;
! }
!
! if (bfd_seek (abfd, (file_ptr) 0, 0 ) != 0)
! return false;
!
! {
! char * buff;
! bfd_size_type amount;
!
! buff = bfd_malloc (bfd_coff_filhsz (abfd));
! if (buff == ((void *)0) )
! return false;
!
! bfd_coff_swap_filehdr_out (abfd, (PTR) & internal_f, (PTR) buff);
! amount = bfd_write ((PTR) buff, 1, bfd_coff_filhsz (abfd), abfd);
!
! free (buff);
!
! if (amount != bfd_coff_filhsz (abfd))
! return false;
! }
!
! if (abfd->flags & EXEC_P) {
!
! char * buff;
! bfd_size_type amount;
!
! buff = bfd_malloc (bfd_coff_aoutsz (abfd));
! if (buff == NULL)
! return false;
!
! bfd_coff_swap_aouthdr_out (abfd, (PTR) & internal_a, (PTR) buff);
! amount = bfd_write ((PTR) buff, 1, bfd_coff_aoutsz (abfd), abfd);
!
! free (buff);
!
! if (amount != bfd_coff_aoutsz (abfd))
! return false;
! }
!
!
! return true;
! }
!
! /* This is the relocation function for the RS/6000/POWER/PowerPC.
! This is currently the only processor which uses XCOFF; I hope that
! will never change. */
!
! boolean
! xcoff64_ppc_relocate_section (output_bfd, info, input_bfd,
! input_section, contents, relocs, syms,
! sections)
! bfd *output_bfd;
! struct bfd_link_info *info;
! bfd *input_bfd;
! asection *input_section;
! bfd_byte *contents;
! struct internal_reloc *relocs;
! struct internal_syment *syms;
! asection **sections;
! {
! struct internal_reloc *rel;
! struct internal_reloc *relend;
!
! rel = relocs;
! relend = rel + input_section->reloc_count;
! for (; rel < relend; rel++)
! {
! long symndx;
! struct xcoff_link_hash_entry *h;
! struct internal_syment *sym;
! bfd_vma addend;
! bfd_vma val;
! struct reloc_howto_struct howto;
! bfd_reloc_status_type rstat;
!
! /* Relocation type R_REF is a special relocation type which is
! merely used to prevent garbage collection from occurring for
! the csect including the symbol which it references. */
! if (rel->r_type == R_REF)
! continue;
!
! symndx = rel->r_symndx;
!
! if (symndx == -1) {
! h = NULL;
! sym = NULL;
! addend = 0;
! } else
! h = obj_xcoff_sym_hashes (input_bfd)[symndx];
! sym = syms + symndx;
! addend = - sym->n_value;
! }
!
! /* We build the howto information on the fly. */
!
! howto.type = rel->r_type;
! howto.rightshift = 0;
! howto.size = 4;
! howto.bitsize = (rel->r_size & 0x3f) + 1;
! howto.pc_relative = false;
! howto.bitpos = 0;
! if ((rel->r_size & 0x80) != 0)
! howto.complain_on_overflow = complain_overflow_signed;
! else
! howto.complain_on_overflow = complain_overflow_bitfield;
! howto.special_function = NULL;
! howto.name = "internal";
! howto.partial_inplace = true;
!
! if (howto.bitsize == 64) {
! howto.src_mask = howto.dst_mask = MINUS_ONE;
! } else if (howto.bitsize == 32) {
! howto.src_mask = howto.dst_mask = 0xffffffff;
! } else {
! howto.src_mask = howto.dst_mask = (1 << howto.bitsize) - 1;
! if (howto.bitsize == 16)
! howto.size = 1;
! }
! howto.pcrel_offset = false;
!
! val = 0;
!
! if (h == NULL) {
! asection *sec;
!
! if (symndx == -1) {
! sec = bfd_abs_section_ptr;
! val = 0;
! } else {
! sec = sections[symndx];
! /* Hack to make sure we use the right TOC anchor value
! if this reloc is against the TOC anchor. */
! if (sec->name[3] == '0'
! && strcmp (sec->name, ".tc0") == 0)
! val = xcoff_data (output_bfd)->toc;
! else
! val = (sec->output_section->vma
! + sec->output_offset
! + sym->n_value
! - sec->vma);
! }
!
! } else {
!
! if (h->root.type == bfd_link_hash_defined
! || h->root.type == bfd_link_hash_defweak) {
! asection *sec;
!
! sec = h->root.u.def.section;
! val = (h->root.u.def.value
! + sec->output_section->vma
! + sec->output_offset);
!
! } else if (h->root.type == bfd_link_hash_common) {
! asection *sec;
!
! sec = h->root.u.c.p->section;
! val = (sec->output_section->vma
! + sec->output_offset);
! } else if ((h->flags & XCOFF_DEF_DYNAMIC) != 0
! || (h->flags & XCOFF_IMPORT) != 0) {
! /* Every symbol in a shared object is defined somewhere. */
! val = 0;
! } else if (! info->relocateable) {
! if (! ((*info->callbacks->undefined_symbol)
! (info, h->root.root.string, input_bfd, input_section,
! rel->r_vaddr - input_section->vma, true)))
! return false;
!
! /* Don't try to process the reloc. It can't help, and
! it may generate another error. */
! continue;
! }
! }
!
! /* I took the relocation type definitions from two documents:
! the PowerPC AIX Version 4 Application Binary Interface, First
! Edition (April 1992), and the PowerOpen ABI, Big-Endian
! 32-Bit Hardware Implementation (June 30, 1994). Differences
! between the documents are noted below. */
!
! switch (rel->r_type) {
! case R_RTB:
! case R_RRTBI:
! case R_RRTBA:
! /* These relocs are defined by the PowerPC ABI to be
! relative branches which use half of the difference
! between the symbol and the program counter. I can't
! quite figure out when this is useful. These relocs are
! not defined by the PowerOpen ABI. */
! default:
! (*_bfd_error_handler)
! (_("%s: unsupported relocation type 0x%02x"),
! bfd_get_filename (input_bfd), (unsigned int) rel->r_type);
! bfd_set_error (bfd_error_bad_value);
! return false;
! case R_POS:
! /* Simple positive relocation. */
! break;
! case R_NEG:
! /* Simple negative relocation. */
! val = - val;
! break;
! case R_REL:
! /* Simple PC relative relocation. */
! howto.pc_relative = true;
! break;
! case R_TOC:
! /* TOC relative relocation. The value in the instruction in
! the input file is the offset from the input file TOC to
! the desired location. We want the offset from the final
! TOC to the desired location. We have:
! isym = iTOC + in
! iinsn = in + o
! osym = oTOC + on
! oinsn = on + o
! so we must change insn by on - in.
! */
! case R_GL:
! /* Global linkage relocation. The value of this relocation
! is the address of the entry in the TOC section. */
! case R_TCL:
! /* Local object TOC address. I can't figure out the
! difference between this and case R_GL. */
! case R_TRL:
! /* TOC relative relocation. A TOC relative load instruction
! which may be changed to a load address instruction.
! FIXME: We don't currently implement this optimization. */
! case R_TRLA:
! /* TOC relative relocation. This is a TOC relative load
! address instruction which may be changed to a load
! instruction. FIXME: I don't know if this is the correct
! implementation. */
! if (h != NULL && h->smclas != XMC_TD)
! {
! if (h->toc_section == NULL)
! {
! (*_bfd_error_handler)
! (_("%s: TOC reloc at 0x%x to symbol `%s' with no TOC entry"),
! bfd_get_filename (input_bfd), rel->r_vaddr,
! h->root.root.string);
! bfd_set_error (bfd_error_bad_value);
! return false;
! }
!
! BFD_ASSERT ((h->flags & XCOFF_SET_TOC) == 0);
! val = (h->toc_section->output_section->vma
! + h->toc_section->output_offset);
!
! }
!
!
! val = ((val - xcoff_data (output_bfd)->toc)
! - (sym->n_value - xcoff_data (input_bfd)->toc));
!
! addend = 0;
! break;
! case R_BA:
! /* Absolute branch. We don't want to mess with the lower
! two bits of the instruction. */
! case R_CAI:
! /* The PowerPC ABI defines this as an absolute call which
! may be modified to become a relative call. The PowerOpen
! ABI does not define this relocation type. */
! case R_RBA:
! /* Absolute branch which may be modified to become a
! relative branch. */
! case R_RBAC:
! /* The PowerPC ABI defines this as an absolute branch to a
! fixed address which may be modified to an absolute branch
! to a symbol. The PowerOpen ABI does not define this
! relocation type. */
! case R_RBRC:
! /* The PowerPC ABI defines this as an absolute branch to a
! fixed address which may be modified to a relative branch.
! The PowerOpen ABI does not define this relocation type. */
! howto.src_mask &= ~3;
! howto.dst_mask = howto.src_mask;
! break;
! case R_BR:
! /* Relative branch. We don't want to mess with the lower
! two bits of the instruction. */
! case R_CREL:
! /* The PowerPC ABI defines this as a relative call which may
! be modified to become an absolute call. The PowerOpen
! ABI does not define this relocation type. */
! case R_RBR:
! /* A relative branch which may be modified to become an
! absolute branch. FIXME: We don't implement this,
! although we should for symbols of storage mapping class
! XMC_XO. */
! howto.pc_relative = true;
! howto.src_mask &= ~3;
! howto.dst_mask = howto.src_mask;
! howto.size = 2;
! howto.complain_on_overflow = complain_overflow_bitfield;
! break;
! case R_RL:
! /* The PowerPC AIX ABI describes this as a load which may be
! changed to a load address. The PowerOpen ABI says this
! is the same as case R_POS. */
! break;
! case R_RLA:
! /* The PowerPC AIX ABI describes this as a load address
! which may be changed to a load. The PowerOpen ABI says
! this is the same as R_POS. */
! break;
! }
!
! /* If we see an R_BR or R_RBR reloc which is jumping to global
! linkage code, and it is followed by an appropriate cror nop
! instruction, we replace the cror with ld r2,40(r1). This
! restores the TOC after the glink code. Contrariwise, if the
! call is followed by a ld r2,40(r1), but the call is not
! going to global linkage code, we can replace the load with a
! cror. */
! if ((rel->r_type == R_BR || rel->r_type == R_RBR) &&
! h != NULL &&
! h->root.type == bfd_link_hash_defined &&
! (rel->r_vaddr - input_section->vma + 8
! <= input_section->_cooked_size)) {
!
! bfd_byte *pnext;
! unsigned long next;
!
! pnext = contents + (rel->r_vaddr - input_section->vma) + 4;
! next = bfd_get_32 (input_bfd, pnext);
!
!
! /* The _ptrgl function is magic. It is used by the AIX
! * compiler to call a function through a pointer.
! *
! * special case XMC_GL, global linkage
! */
! if (h->smclas == XMC_GL
! || strcmp (h->root.root.string, "._ptrgl") == 0)
! {
! if (next == 0x4def7b82 /* cror 15,15,15 */
! || next == 0x4ffffb82 /* cror 31,31,31 */
! || next == 0x60000000) /* ori r0,r0,0 */
! bfd_put_32 (input_bfd, 0xe8410028, pnext); /* ld r2,40(r1) */
! }
! else
! {
! if (next == 0xe8410028) /* ld r2,40(r1) */
! bfd_put_32 (input_bfd, 0x60000000, pnext); /* ori r0,r0,0 */
! }
! }
!
! /* A PC relative reloc includes the section address. */
! if (howto.pc_relative)
! addend += input_section->vma;
!
! rstat = _bfd_final_link_relocate (&howto, input_bfd, input_section,
! contents,
! rel->r_vaddr - input_section->vma,
! val, addend);
!
! switch (rstat)
! {
! default:
! abort ();
! case bfd_reloc_ok:
! break;
! case bfd_reloc_overflow:
! {
! const char *name;
! char buf[SYMNMLEN + 1];
! char howto_name[10];
!
! if (symndx == -1)
! name = "*ABS*";
! else if (h != NULL)
! name = h->root.root.string;
! else
! {
! name = _bfd_coff_internal_syment_name (input_bfd, sym, buf);
! if (name == NULL)
! return false;
! }
! sprintf (howto_name, "0x%02x", rel->r_type);
!
! if (! ((*info->callbacks->reloc_overflow)
! (info, name, howto_name, (bfd_vma) 0, input_bfd,
! input_section, rel->r_vaddr - input_section->vma)))
! return false;
! }
! }
! }
!
! return true;
! }
!
!
!
! /* 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 xcoff64_howto_table[] =
! {
! /* Standard 64 bit relocation. */
! HOWTO (0, /* type */
! 0, /* rightshift */
! 4, /* size (0 = byte, 1 = short, 2 = long) */
! 64, /* bitsize */
! false, /* pc_relative */
! 0, /* bitpos */
! complain_overflow_bitfield, /* complain_on_overflow */
! 0, /* special_function */
! "R_POS", /* name */
! true, /* partial_inplace */
! MINUS_ONE, /* src_mask */
! MINUS_ONE, /* dst_mask */
! false), /* pcrel_offset */
!
! /* 64 bit relocation, but store negative value. */
! HOWTO (1, /* type */
! 0, /* rightshift */
! -4, /* size (0 = byte, 1 = short, 2 = long) */
! 64, /* bitsize */
! false, /* pc_relative */
! 0, /* bitpos */
! complain_overflow_bitfield, /* complain_on_overflow */
! 0, /* special_function */
! "R_NEG", /* name */
! true, /* partial_inplace */
! MINUS_ONE, /* src_mask */
! MINUS_ONE, /* 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_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 (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 */
!
! EMPTY_HOWTO (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 */
!
! EMPTY_HOWTO (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 */
!
! EMPTY_HOWTO (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 */
!
! EMPTY_HOWTO (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 */
!
! EMPTY_HOWTO (0x10),
! EMPTY_HOWTO (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_CREL", /* 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) */
! 26, /* 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) */
! 32, /* 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_RBR", /* 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_RBRC", /* name */
! true, /* partial_inplace */
! 0xffff, /* src_mask */
! 0xffff, /* dst_mask */
! false), /* pcrel_offset */
!
! HOWTO (0, /* type */
! 0, /* rightshift */
! 4, /* size (0 = byte, 1 = short, 2 = long) */
! 64, /* bitsize */
! false, /* pc_relative */
! 0, /* bitpos */
! complain_overflow_bitfield, /* complain_on_overflow */
! 0, /* special_function */
! "R_POS", /* name */
! true, /* partial_inplace */
! MINUS_ONE, /* src_mask */
! MINUS_ONE, /* dst_mask */
! false) /* pcrel_offset */
!
! };
!
! /* These are the first two like the above but for 16-bit relocs. */
! static reloc_howto_type xcoff64_howto_table_16[] =
! {
! /* Standard 16 bit relocation. */
! HOWTO (0, /* 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_POS_16", /* name */
! true, /* partial_inplace */
! 0xffffffff, /* src_mask */
! 0xffffffff, /* dst_mask */
! false), /* pcrel_offset */
!
! /* 16 bit relocation, but store negative value. */
! HOWTO (1, /* 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_NEG_16", /* name */
! true, /* partial_inplace */
! 0xffffffff, /* src_mask */
! 0xffffffff, /* dst_mask */
! false), /* pcrel_offset */
!
! /* 16 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_16", /* name */
! true, /* partial_inplace */
! 0xffffffff, /* src_mask */
! 0xffffffff, /* dst_mask */
! false) /* pcrel_offset */
! };
!
!
! void
! xcoff64_rtype2howto (relent, internal)
! arelent *relent;
! struct internal_reloc *internal;
! {
! relent->howto = xcoff64_howto_table + internal->r_type;
!
! /* Check for relocs we don't know of. */
! if (internal->r_type
! >= sizeof (xcoff64_howto_table) / sizeof (xcoff64_howto_table[0]))
! abort ();
! if (internal->r_type != relent->howto->type)
! abort ();
!
! /* 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. The bitsize is not significant
! for R_REF relocs. */
! if (relent->howto->dst_mask != 0
! && (relent->howto->bitsize
! != ((unsigned int) internal->r_size & 0x3f) + 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
! }
!
! static
! reloc_howto_type *
! _bfd_xcoff64_rtype_to_canonical_reloc_howto (abfd, internal)
! bfd *abfd ATTRIBUTE_UNUSED;
! struct internal_reloc *internal;
! {
! reloc_howto_type *return_value;
!
! return_value = xcoff64_howto_table + internal->r_type;
!
! /* Check for relocs we don't know of. */
! if (internal->r_type
! >= sizeof (xcoff64_howto_table) / sizeof (xcoff64_howto_table[0]))
! abort ();
! if (internal->r_type != return_value->type)
! abort ();
!
! /* 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. The bitsize is not significant
! for R_REF relocs. */
! if (return_value->dst_mask != 0
! && (return_value->bitsize
! != ((unsigned int) internal->r_size & 0x3f) + 1))
! abort ();
!
! return return_value;
! }
!
! reloc_howto_type *
! xcoff64_reloc_type_lookup (abfd, code)
! bfd *abfd ATTRIBUTE_UNUSED;
! bfd_reloc_code_real_type code;
! {
! switch (code)
! {
! case BFD_RELOC_PPC_B26:
! return &xcoff64_howto_table[0xa];
! case BFD_RELOC_PPC_BA26:
! return &xcoff64_howto_table[8];
! case BFD_RELOC_PPC_TOC16:
! return &xcoff64_howto_table[3];
! case BFD_RELOC_32:
! case BFD_RELOC_CTOR:
! return &xcoff64_howto_table[0];
! case BFD_RELOC_64:
! return &xcoff64_howto_table[0x1c];
! default:
! return NULL;
! }
! }
!
!
!
! /* Read in the armap of an XCOFF archive. */
!
! boolean
! xcoff64_slurp_armap (abfd)
! bfd *abfd;
! {
! file_ptr off;
! size_t namlen;
! bfd_size_type sz;
! bfd_byte *contents, *cend;
! bfd_vma c, i;
! carsym *arsym;
! bfd_byte *p;
!
! /* This is for the new format. */
! struct xcoff_ar_hdr_big hdr;
!
! if (xcoff_ardata (abfd) == NULL) {
! bfd_has_map (abfd) = false;
! return true;
! }
!
! off = strtol (xcoff_ardata_big (abfd)->symoff64, (char **) NULL, 10);
! if (off == 0) {
! bfd_has_map (abfd) = false;
! return true;
! }
!
! if (bfd_seek (abfd, off, SEEK_SET) != 0)
! return false;
!
! /* The symbol table starts with a normal archive header. */
! if (bfd_read ((PTR) &hdr, SIZEOF_AR_HDR_BIG, 1, abfd) !=
SIZEOF_AR_HDR_BIG)
! return false;
!
! /* Skip the name (normally empty). */
! namlen = strtol (hdr.namlen, (char **) NULL, 10);
! if (bfd_seek (abfd, ((namlen + 1) & ~1) + SXCOFFARFMAG, SEEK_CUR) != 0)
! return false;
!
! /* XXX This actually has to be a call to strtoll (at least on 32-bit
! machines) since the field width is 20 and there numbers with more
! than 32 bits can be represented. */
! sz = strtol (hdr.size, (char **) NULL, 10);
!
! /* Read in the entire symbol table. */
! contents = (bfd_byte *) bfd_alloc (abfd, sz);
! if (contents == NULL)
! return false;
! if (bfd_read ((PTR) contents, 1, sz, abfd) != sz)
! return false;
!
! /* The symbol table starts with an eight byte count. */
! c = bfd_h_get_64 (abfd, contents);
!
! if (c * 8 >= sz) {
! bfd_set_error (bfd_error_bad_value);
! return false;
! }
!
! bfd_ardata (abfd)->symdefs = ((carsym *)
! bfd_alloc (abfd, c * sizeof (carsym)));
! if (bfd_ardata (abfd)->symdefs == NULL)
! return false;
!
! /* After the count comes a list of eight byte file offsets. */
! for (i = 0, arsym = bfd_ardata (abfd)->symdefs, p = contents + 8;
! i < c;
! ++i, ++arsym, p += 8)
! arsym->file_offset = bfd_h_get_64 (abfd, p);
!
! /* After the file offsets come null terminated symbol names. */
! cend = contents + sz;
! for (i = 0, arsym = bfd_ardata (abfd)->symdefs;
! i < c;
! ++i, ++arsym, p += strlen ((char *) p) + 1)
! {
! if (p >= cend)
! {
! bfd_set_error (bfd_error_bad_value);
! return false;
! }
! arsym->name = (char *) p;
! }
!
! bfd_ardata (abfd)->symdef_count = c;
! bfd_has_map (abfd) = true;
!
! return true;
! }
!
!
!
! /* See if this is an NEW XCOFF archive. */
!
! const bfd_target *
! xcoff64_archive_p (abfd)
! bfd *abfd;
! {
! char magic[SXCOFFARMAG];
! /* This is the new format. */
! struct xcoff_ar_file_hdr_big hdr;
!
! if (bfd_read ((PTR) magic, SXCOFFARMAG, 1, abfd) != SXCOFFARMAG) {
! if (bfd_get_error () != bfd_error_system_call)
! bfd_set_error (bfd_error_wrong_format);
! return NULL;
! }
!
! if (strncmp (magic, XCOFFARMAGBIG, SXCOFFARMAG) != 0) {
! bfd_set_error (bfd_error_wrong_format);
! return NULL;
! }
!
! /* We are setting bfd_ardata(abfd) here, but since bfd_ardata
! involves a cast, we can't do it as the left operand of
! assignment. */
! abfd->tdata.aout_ar_data =
! (struct artdata *) bfd_zalloc (abfd, sizeof (struct artdata));
!
! if (bfd_ardata (abfd) == (struct artdata *) NULL)
! return NULL;
!
! bfd_ardata (abfd)->cache = NULL;
! bfd_ardata (abfd)->archive_head = NULL;
! bfd_ardata (abfd)->symdefs = NULL;
! bfd_ardata (abfd)->extended_names = NULL;
!
! /* Copy over the magic string. */
! memcpy (hdr.magic, magic, SXCOFFARMAG);
!
! /* Now read the rest of the file header. */
! if (bfd_read ((PTR) &hdr.memoff, SIZEOF_AR_FILE_HDR_BIG - SXCOFFARMAG,
1,
! abfd) != SIZEOF_AR_FILE_HDR_BIG - SXCOFFARMAG) {
! if (bfd_get_error () != bfd_error_system_call)
! bfd_set_error (bfd_error_wrong_format);
! return NULL;
! }
!
! /* XXX This actually has to be a call to strtoll (at least on 32-bit
! machines) since the field width is 20 and there numbers with more
! than 32 bits can be represented. */
! bfd_ardata (abfd)->first_file_filepos = strtol (hdr.firstmemoff,
! (char **) NULL, 10);
!
! bfd_ardata (abfd)->tdata = bfd_zalloc (abfd, SIZEOF_AR_FILE_HDR_BIG);
! if (bfd_ardata (abfd)->tdata == NULL)
! return NULL;
!
! memcpy (bfd_ardata (abfd)->tdata, &hdr, SIZEOF_AR_FILE_HDR_BIG);
!
! if (! xcoff64_slurp_armap (abfd)) {
!
! bfd_release (abfd, bfd_ardata (abfd));
! abfd->tdata.aout_ar_data = (struct artdata *) NULL;
! return NULL;
! }
!
! return abfd->xvec;
! }
!
!
! /* Open the next element in an XCOFF archive. */
!
! bfd *
! xcoff64_openr_next_archived_file (archive, last_file)
! bfd *archive;
! bfd *last_file;
! {
! file_ptr filestart;
!
! if ((xcoff_ardata (archive) == NULL) ||
! (! xcoff_big_format_p (archive))) {
! bfd_set_error (bfd_error_invalid_operation);
! return NULL;
! }
!
! if (last_file == NULL) {
! filestart = bfd_ardata (archive)->first_file_filepos;
! } else {
! /* XXX These actually have to be a calls to strtoll (at least
! on 32-bit machines) since the fields's width is 20 and
! there numbers with more than 32 bits can be represented. */
! filestart = strtol (arch_xhdr_big (last_file)->nextoff, (char **)
NULL,
! 10);
! }
! /* XXX These actually have to be calls to strtoll (at least on 32-bit
! machines) since the fields's width is 20 and there numbers with more
! than 32 bits can be represented. */
! if (filestart == 0
! || filestart == strtol (xcoff_ardata_big (archive)->memoff,
! (char **) NULL, 10)
! || filestart == strtol (xcoff_ardata_big (archive)->symoff,
! (char **) NULL, 10)) {
! bfd_set_error (bfd_error_no_more_archived_files);
! return NULL;
! }
!
! return _bfd_get_elt_at_filepos (archive, filestart);
! }
!
! /* We can't use the usual coff_sizeof_headers routine, because AIX
! always uses an a.out header. */
!
! /*ARGSUSED*/
! int
! xcoff64_sizeof_headers (abfd, reloc)
! bfd *abfd;
! boolean reloc ATTRIBUTE_UNUSED;
! {
! int size;
!
! size = bfd_coff_filhsz(abfd);
!
! /*
! * Don't think the small aout header can be used since some of the the
! * old elements have been reordered past the end of the old coff
! * small aout size
! */
!
! if (xcoff_data (abfd)->full_aouthdr)
! size += bfd_coff_aoutsz(abfd);
!
! size += abfd->section_count * bfd_coff_scnhsz(abfd);
! return size;
! }
!
!
!
! static asection *
! xcoff64_create_csect_from_smclas (abfd, aux, symbol_name)
! bfd *abfd;
! union internal_auxent *aux;
! const char *symbol_name;
! {
! asection *return_value = NULL;
!
! /*
! * Changes from 32 :
! * .sv == 8, is only for 32 bit programs
! * .ti == 12 and .tb == 13 are now reserved
! */
! static const char *names[19] = {
! ".pr", ".ro", ".db", ".tc", ".ua", ".rw", ".gl", ".xo",
! NULL, ".bs", ".ds", ".uc", NULL, NULL, NULL, ".tc0",
! ".td", ".sv64", ".sv3264"
! };
!
! if ((19 >= aux->x_csect.x_smclas) &&
! (NULL != names[aux->x_csect.x_smclas])) {
!
! return_value = bfd_make_section_anyway
! (abfd, names[aux->x_csect.x_smclas]);
!
! } else {
! (*_bfd_error_handler)
! (_("%s: symbol `%s' has unrecognized smclas %d"),
! bfd_get_filename (abfd), symbol_name, aux->x_csect.x_smclas);
! bfd_set_error (bfd_error_bad_value);
! }
!
! return return_value;
! }
!
! boolean
! xcoff64_is_lineno_count_overflow (abfd, value)
! bfd *abfd ATTRIBUTE_UNUSED;
! bfd_vma value ATTRIBUTE_UNUSED;
! {
! return false;
! }
!
! boolean
! xcoff64_is_reloc_count_overflow (abfd, value)
! bfd *abfd ATTRIBUTE_UNUSED;
! bfd_vma value ATTRIBUTE_UNUSED;
! {
! return false;
! }
!
! bfd_vma
! xcoff64_loader_symbol_offset (abfd, ldhdr)
! bfd *abfd ATTRIBUTE_UNUSED;
! struct internal_ldhdr *ldhdr;
! {
! return (ldhdr->l_symoff);
! }
!
! bfd_vma
! xcoff64_loader_reloc_offset (abfd, ldhdr)
! bfd *abfd ATTRIBUTE_UNUSED;
! struct internal_ldhdr *ldhdr;
! {
! return (ldhdr->l_rldoff);
! }
!
! /* The typical dynamic reloc. */
!
! static reloc_howto_type xcoff64_dynamic_reloc =
! HOWTO (0, /* type */
! 0, /* rightshift */
! 4, /* size (0 = byte, 1 = short, 2 = long) */
! 64, /* bitsize */
! false, /* pc_relative */
! 0, /* bitpos */
! complain_overflow_bitfield, /* complain_on_overflow */
! 0, /* special_function */
! "R_POS", /* name */
! true, /* partial_inplace */
! MINUS_ONE, /* src_mask */
! MINUS_ONE, /* dst_mask */
! false); /* pcrel_offset */
!
! static unsigned long xcoff64_glink_code[10] =
! {
! 0xe9820000, /* ld r12,0(r2) */
! 0xf8410028, /* std r2,40(r1) */
! 0xe80c0000, /* ld r0,0(r12) */
! 0xe84c0008, /* ld r0,8(r12) */
! 0x7c0903a6, /* mtctr r0 */
! 0x4e800420, /* bctr */
! 0x00000000, /* start of traceback table */
! 0x000ca000, /* traceback table */
! 0x00000000, /* traceback table */
! 0x00000018, /* ??? */
! };
!
! static const struct xcoff_backend_data_rec bfd_xcoff_backend_data =
! {
! { /* COFF backend, defined in libcoff.h */
! _bfd_xcoff64_swap_aux_in, /* _bfd_coff_swap_aux_in */
! _bfd_xcoff64_swap_sym_in, /* _bfd_coff_swap_sym_in */
! _bfd_xcoff64_swap_lineno_in, /* _bfd_coff_swap_lineno_in */
! _bfd_xcoff64_swap_aux_out, /* _bfd_swap_aux_out */
! _bfd_xcoff64_swap_sym_out, /* _bfd_swap_sym_out */
! _bfd_xcoff64_swap_lineno_out, /* _bfd_swap_lineno_out */
! coff_swap_reloc_out, /* _bfd_swap_reloc_out */
! coff_swap_filehdr_out, /* _bfd_swap_filehdr_out */
! coff_swap_aouthdr_out, /* _bfd_swap_aouthdr_out */
! coff_swap_scnhdr_out, /* _bfd_swap_scnhdr_out */
! FILHSZ, /* _bfd_filhsz */
! AOUTSZ, /* _bfd_aoutsz */
! SCNHSZ, /* _bfd_scnhsz */
! SYMESZ, /* _bfd_symesz */
! AUXESZ, /* _bfd_auxesz */
! RELSZ, /* _bfd_relsz */
! LINESZ, /* _bfd_linesz */
! FILNMLEN, /* _bfd_filenmlen */
! true, /* _bfd_coff_long_filenames */
! false, /* _bfd_coff_long_section_names */
! (3), /*
_bfd_coff_default_section_alignment_power */
! true, /*
_bfd_coff_force_symnames_in_strings */
! 4, /*
_bfd_coff_debug_string_prefix_length */
! coff_swap_filehdr_in, /* _bfd_coff_swap_filehdr_in */
! coff_swap_aouthdr_in, /* _bfd_swap_aouthdr_in */
! coff_swap_scnhdr_in, /* _bfd_swap_scnhdr_in */
! coff_swap_reloc_in, /* _bfd_reloc_in */
! coff_bad_format_hook, /* _bfd_bad_format_hook */
! coff_set_arch_mach_hook, /* _bfd_set_arch_mach_hook */
! coff_mkobject_hook, /* _bfd_mkobject_hook */
! styp_to_sec_flags, /* _bfd_syp_to_sec_flags */
! coff_set_alignment_hook, /* _bfd_set_alignment_hook */
! coff_slurp_symbol_table, /* _bfd_coff_slurp_symbol_table */
! symname_in_debug_hook, /* _coff_symname_in_debug_hook */
! coff_pointerize_aux_hook, /* _bfd_coff_pointerize_aux_hook */
! coff_print_aux, /* bfd_coff_print_aux */
! dummy_reloc16_extra_cases, /* _bfd_coff_reloc16_extra_cases */
! dummy_reloc16_estimate, /* _bfd_coff_reloc16_estimate */
! NULL, /* bfd_coff_sym_is_global */
! /*
_bfd_coff_compute_section_file_positions */
! coff_compute_section_file_positions,
! NULL , /* _bfd_coff_start_final_link */
! xcoff64_ppc_relocate_section, /* _bfd_coff_relocate_section */
! coff_rtype_to_howto, /* _bfd_coff_rtype_to_howto */
! NULL , /* _bfd_coff_addust_symndx */
! _bfd_generic_link_add_one_symbol, /* _bfd_coff_add_one_symbol */
! coff_link_output_has_begun, /* _bfd_coff_link_output_has_begun
*/
! coff_final_link_postscript /* _bfd_coff_final_link_postscript
*/
! },
!
! 0x01EF, /* magic number */
! 0x0000, /* _reservered_1 */
! bfd_arch_powerpc, /* architecture */
! bfd_mach_ppc_620, /* machine */
!
! /* function pointers to xcoff specific swap routines */
! xcoff64_swap_ldhdr_in, /* _xcoff_swap_ldhdr_in */
! xcoff64_swap_ldhdr_out, /* _xcoff_swap_ldhdr_out */
! xcoff64_swap_ldsym_in, /* _xcoff_swap_ldsym_in */
! xcoff64_swap_ldsym_out, /* _xcoff_swap_ldsym_out */
! xcoff64_swap_ldrel_in, /* _xcoff_swap_ldrel_in */
! xcoff64_swap_ldrel_out, /* _xcoff_swap_ldrel_out */
!
! /* sizes */
! LDHDRSZ, /* _xcoff_ldhdrsz */
! LDSYMSZ, /* _xcoff_ldsymsz */
! LDRELSZ, /* _xcoff_ldrelsz */
! 24, /* _xcoff_function_descriptor_size
*/
! 0, /* _xcoff_small_aout_header_size
*/
! /* versions */
! 2, /* _xcoff_ldhdr_version */
!
! /* xcoff vs xcoff64 putting symbol names */
! _bfd_xcoff64_put_symbol_name, /* _xcoff_put_symbol_name */
! _bfd_xcoff64_put_ldsymbol_name, /* _xcoff_put_ldsymbol_name */
!
! /* dynamic reloc howto */
! &xcoff64_dynamic_reloc,
! _bfd_xcoff64_rtype_to_canonical_reloc_howto,
/*_xcoff_rtype_to_canonical_reloc */
! xcoff64_create_csect_from_smclas,
!
! /* lineno and reloc count overflow */
! xcoff64_is_lineno_count_overflow,
! xcoff64_is_reloc_count_overflow,
!
! xcoff64_loader_symbol_offset,
! xcoff64_loader_reloc_offset,
!
! /* glink */
! &xcoff64_glink_code[0],
! 40, /* _xcoff_glink_size */
!
! };
!
! /* The transfer vector that leads the outside world to all of the above.
*/
! const bfd_target rs6000coff64_vec =
! {
! "aixcoff64-rs6000",
! bfd_target_xcoff_flavour,
! BFD_ENDIAN_BIG, /* data byte order is big */
! BFD_ENDIAN_BIG, /* header byte order is big */
!
! (HAS_RELOC | EXEC_P | /* object flags */
! HAS_LINENO | HAS_DEBUG | DYNAMIC |
! 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 */
!
! /* data */
! bfd_getb64, /* bfd_getx64 */
! bfd_getb_signed_64, /* bfd_getx_signed_64 */
! bfd_putb64, /* bfd_putx64 */
! bfd_getb32, /* bfd_getx32 */
! bfd_getb_signed_32, /* bfd_getx_signed_32 */
! bfd_putb32, /* bfd_putx32 */
! bfd_getb16, /* bfd_getx16 */
! bfd_getb_signed_16, /* bfd_getx_signed_16 */
! bfd_putb16, /* bfd_putx16 */
!
! /* hdrs */
! bfd_getb64, /* bfd_h_getx64 */
! bfd_getb_signed_64, /* bfd_h_getx_signed_64 */
! bfd_putb64, /* bfd_h_putx64 */
! bfd_getb32, /* bfd_h_getx32 */
! bfd_getb_signed_32, /* bfd_h_getx_signed_32 */
! bfd_putb32, /* bfd_h_putx32 */
! bfd_getb16, /* bfd_h_getx16 */
! bfd_getb_signed_16, /* bfd_h_getx_signed_16 */
! bfd_putb16, /* bfd_h_putx16 */
!
! { /* bfd_check_format */
! _bfd_dummy_target,
! coff_object_p,
! xcoff64_archive_p,
! rs6000coff_core_p
! },
!
! { /* bfd_set_format */
! bfd_false,
! coff_mkobject,
! _bfd_generic_mkarchive,
! bfd_false
! },
!
! {/* bfd_write_contents */
! bfd_false,
! xcoff64_write_object_contents,
! _bfd_xcoff_write_archive_contents,
! bfd_false
! },
!
! /* Generic */
! bfd_true, /* _close_and_cleanup */
! bfd_true, /* _bfd_free_cached_info */
! coff_new_section_hook, /* _new_section_hook */
! _bfd_generic_get_section_contents, /* _bfd_get_section_contents */
! /*
_bfd_get_section_contents_in_window */
! _bfd_generic_get_section_contents_in_window,
!
! /* Copy */
! _bfd_xcoff_copy_private_bfd_data, /* _bfd_copy_private_bfd */
! /* _bfd_merge_private_bfd_data */
! ((boolean (*) (bfd *, bfd *)) bfd_true),
! /* _bfd_copy_pivate_section_data */
! ((boolean (*) (bfd *, asection *, bfd *, asection *)) bfd_true),
! /* _bfd_copy_private_symbol_data */
! ((boolean (*) (bfd *, asymbol *, bfd *, asymbol *)) bfd_true),
! ((boolean (*) (bfd *, flagword)) bfd_true), /* _bfd_set_private_flags */
! ((boolean (*) (bfd *, void * )) bfd_true), /*
_bfd_print_private_bfd_data */
!
! /* Core */
! rs6000coff_core_file_failing_command, /* _core_file_failing_command
*/
! rs6000coff_core_file_failing_signal, /* _core_file_failing_signal */
! /*
_core_file_matches_executable_p */
! rs6000coff_core_file_matches_executable_p,
!
! /* Archive */
! xcoff64_slurp_armap, /* _slurp_armap */
! /* XCOFF archives do not have
! anything which corresponds to
! an extended name table. */
! bfd_false, /* _slurp_extended_name_table
*/
! /*
_construct_extended_name_table */
! ((boolean (*) (bfd *, char **, bfd_size_type *, const char **))
bfd_false),
! bfd_dont_truncate_arname, /* _truncate_arname */
! _bfd_xcoff_write_armap, /* _write_armap */
! _bfd_xcoff_read_ar_hdr, /* _read_ar_hdr */
! xcoff64_openr_next_archived_file, /* _openr_next_archived_file */
! _bfd_generic_get_elt_at_index, /* _get_elt_at_index */
! _bfd_xcoff_generic_stat_arch_elt, /* _generic_dtat_arch_elt */
! /* XCOFF archives do not have
! a timestamp. */
! bfd_true, /* _update_armap_timestamp */
!
! /* Symbols */
! coff_get_symtab_upper_bound, /* _get_symtab_upper_bound */
! coff_get_symtab, /* _get_symtab */
! coff_make_empty_symbol, /* _make_empty_symbol */
! coff_print_symbol, /* _print_symbol */
! coff_get_symbol_info, /* _get_symbol_info */
! _bfd_xcoff_is_local_label_name, /* _bfd_is_local_label_name */
! coff_get_lineno, /* _get_lineno */
! coff_find_nearest_line, /* _find_nearest_line */
! coff_bfd_make_debug_symbol, /* _bfd_make_debug_symbol */
! _bfd_generic_read_minisymbols, /* _read_minisymbols */
! _bfd_generic_minisymbol_to_symbol, /* _minsymbol_to_symbol */
!
! /* Reloc */
! coff_get_reloc_upper_bound, /* _get_reloc_upper_bound */
! coff_canonicalize_reloc, /* _cononicalize_reloc */
! xcoff64_reloc_type_lookup, /* _bfd_reloc_type_lookup */
!
! /* Write */
! coff_set_arch_mach, /* _set_arch_mach */
! coff_set_section_contents, /* _set_section_contents */
!
! /* Link */
! xcoff64_sizeof_headers, /* _sizeof_headers */
! /*
_bfd_get_relocated_section_contents */
! bfd_generic_get_relocated_section_contents,
! bfd_generic_relax_section, /* _bfd_relax_section */
! _bfd_xcoff_bfd_link_hash_table_create, /* _bfd_link_hash_table_create
*/
! _bfd_xcoff_bfd_link_add_symbols, /* _bfd_link_add_symbols */
! _bfd_xcoff_bfd_final_link, /* _bfd_filnal_link */
! _bfd_generic_link_split_section, /* _bfd_link_split_section */
! bfd_generic_gc_sections, /* _bfd_gc_sections */
!
! /* Dynamic */
! /*
_get_dynamic_symtab_upper_bound */
! _bfd_xcoff_get_dynamic_symtab_upper_bound,
! _bfd_xcoff_canonicalize_dynamic_symtab, /* _cononicalize_dynamic_symtab
*/
! _bfd_xcoff_get_dynamic_reloc_upper_bound,/*
_get_dynamic_reloc_upper_bound */
! _bfd_xcoff_canonicalize_dynamic_reloc, /* _cononicalize_dynamic_reloc
*/
!
! /* Opposite endian version, none exists */
! NULL,
!
! /* back end data */
! (void *) &bfd_xcoff_backend_data,
! };