480 lines
15 KiB
C
480 lines
15 KiB
C
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/* BFD back-end for IBM RS/6000 "XCOFF64" files.
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Copyright 2000
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Free Software Foundation, Inc.
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Written Clinton Popetz.
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Contributed by Cygnus Support.
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This file is part of BFD, the Binary File Descriptor library.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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/* Internalcoff.h and coffcode.h modify themselves based on these flags. */
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#define XCOFF64
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#define RS6000COFF_C 1
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#include "bfd.h"
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#include "sysdep.h"
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#include "libbfd.h"
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#include "coff/internal.h"
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#include "coff/rs6k64.h"
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#include "libcoff.h"
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#define GET_FILEHDR_SYMPTR bfd_h_get_64
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#define PUT_FILEHDR_SYMPTR bfd_h_put_64
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#define GET_AOUTHDR_DATA_START bfd_h_get_64
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#define PUT_AOUTHDR_DATA_START bfd_h_put_64
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#define GET_AOUTHDR_TEXT_START bfd_h_get_64
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#define PUT_AOUTHDR_TEXT_START bfd_h_put_64
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#define GET_AOUTHDR_TSIZE bfd_h_get_64
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#define PUT_AOUTHDR_TSIZE bfd_h_put_64
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#define GET_AOUTHDR_DSIZE bfd_h_get_64
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#define PUT_AOUTHDR_DSIZE bfd_h_put_64
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#define GET_AOUTHDR_BSIZE bfd_h_get_64
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#define PUT_AOUTHDR_BSIZE bfd_h_put_64
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#define GET_AOUTHDR_ENTRY bfd_h_get_64
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#define PUT_AOUTHDR_ENTRY bfd_h_put_64
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#define GET_SCNHDR_PADDR bfd_h_get_64
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#define PUT_SCNHDR_PADDR bfd_h_put_64
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#define GET_SCNHDR_VADDR bfd_h_get_64
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#define PUT_SCNHDR_VADDR bfd_h_put_64
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#define GET_SCNHDR_SIZE bfd_h_get_64
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#define PUT_SCNHDR_SIZE bfd_h_put_64
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#define GET_SCNHDR_SCNPTR bfd_h_get_64
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#define PUT_SCNHDR_SCNPTR bfd_h_put_64
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#define GET_SCNHDR_RELPTR bfd_h_get_64
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#define PUT_SCNHDR_RELPTR bfd_h_put_64
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#define GET_SCNHDR_LNNOPTR bfd_h_get_64
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#define PUT_SCNHDR_LNNOPTR bfd_h_put_64
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#define GET_SCNHDR_NRELOC bfd_h_get_32
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#define MAX_SCNHDR_NRELOC 0xffffffff
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#define PUT_SCNHDR_NRELOC bfd_h_put_32
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#define GET_SCNHDR_NLNNO bfd_h_get_32
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#define MAX_SCNHDR_NLNNO 0xffffffff
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#define PUT_SCNHDR_NLNNO bfd_h_put_32
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#define GET_RELOC_VADDR bfd_h_get_64
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#define PUT_RELOC_VADDR bfd_h_put_64
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#define COFF_FORCE_SYMBOLS_IN_STRINGS
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#define COFF_DEBUG_STRING_WIDE_PREFIX
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#define TARGET_SYM rs6000coff64_vec
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#define TARGET_NAME "aixcoff64-rs6000"
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#define COFF_ADJUST_SCNHDR_OUT_POST(ABFD,INT,EXT) \
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do { \
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memset (((SCNHDR *)EXT)->s_pad, 0, sizeof (((SCNHDR *)EXT)->s_pad));\
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} while(0)
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#define NO_COFF_LINENOS
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#define coff_SWAP_lineno_in xcoff64_swap_lineno_in
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#define coff_SWAP_lineno_out xcoff64_swap_lineno_out
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#define PUTWORD bfd_h_put_32
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#define PUTHALF bfd_h_put_16
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#define PUTBYTE bfd_h_put_8
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#define GETWORD bfd_h_get_32
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#define GETHALF bfd_h_get_16
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#define GETBYTE bfd_h_get_8
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/* For XCOFF64, the effective width of symndx changes depending on
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whether we are the first entry. Sigh. */
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static void
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xcoff64_swap_lineno_in (abfd, ext1, in1)
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bfd *abfd;
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PTR ext1;
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PTR in1;
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{
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LINENO *ext = (LINENO *)ext1;
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struct internal_lineno *in = (struct internal_lineno *)in1;
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in->l_lnno = bfd_h_get_32(abfd, (bfd_byte *) (ext->l_lnno));
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if (in->l_lnno == 0)
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in->l_addr.l_symndx =
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bfd_h_get_32(abfd, (bfd_byte *) ext->l_addr.l_symndx);
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else
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in->l_addr.l_symndx =
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bfd_h_get_64(abfd, (bfd_byte *) ext->l_addr.l_symndx);
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}
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static unsigned int
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xcoff64_swap_lineno_out (abfd, inp, outp)
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bfd *abfd;
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PTR inp;
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PTR outp;
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{
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struct internal_lineno *in = (struct internal_lineno *)inp;
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struct external_lineno *ext = (struct external_lineno *)outp;
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PUTWORD(abfd, in->l_addr.l_symndx, (bfd_byte *)
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ext->l_addr.l_symndx);
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bfd_h_put_32 (abfd, in->l_lnno, (bfd_byte *) (ext->l_lnno));
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if (in->l_lnno == 0)
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bfd_h_put_32 (abfd, in->l_addr.l_symndx, (bfd_byte *)ext->l_addr.l_symndx);
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else
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bfd_h_put_64 (abfd, in->l_addr.l_symndx, (bfd_byte *)ext->l_addr.l_symndx);
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return bfd_coff_linesz (abfd);
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}
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#define NO_COFF_SYMBOLS
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static void xcoff64_swap_sym_in PARAMS ((bfd *, PTR, PTR));
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static unsigned int xcoff64_swap_sym_out PARAMS ((bfd *, PTR, PTR));
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static void xcoff64_swap_aux_in PARAMS ((bfd *, PTR, int, int, int, int, PTR));
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static unsigned int xcoff64_swap_aux_out PARAMS ((bfd *, PTR, int, int, int, int, PTR));
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static void
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xcoff64_swap_sym_in (abfd, ext1, in1)
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bfd *abfd;
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PTR ext1;
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PTR in1;
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{
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SYMENT *ext = (SYMENT *)ext1;
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struct internal_syment *in = (struct internal_syment *)in1;
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in->_n._n_n._n_zeroes = 0;
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in->_n._n_n._n_offset = bfd_h_get_32(abfd, (bfd_byte *) ext->e_offset);
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in->n_value = bfd_h_get_64(abfd, (bfd_byte *) ext->e.e_value);
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in->n_scnum = bfd_h_get_16(abfd, (bfd_byte *) ext->e_scnum);
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in->n_type = bfd_h_get_16(abfd, (bfd_byte *) ext->e_type);
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in->n_sclass = bfd_h_get_8(abfd, ext->e_sclass);
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in->n_numaux = bfd_h_get_8(abfd, ext->e_numaux);
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}
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static unsigned int
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xcoff64_swap_sym_out (abfd, inp, extp)
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bfd *abfd;
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PTR inp;
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PTR extp;
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{
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struct internal_syment *in = (struct internal_syment *)inp;
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SYMENT *ext =(SYMENT *)extp;
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bfd_h_put_32(abfd, in->_n._n_n._n_offset, (bfd_byte *) ext->e_offset);
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bfd_h_put_64(abfd, in->n_value , (bfd_byte *) ext->e.e_value);
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bfd_h_put_16(abfd, in->n_scnum , (bfd_byte *) ext->e_scnum);
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bfd_h_put_16(abfd, in->n_type , (bfd_byte *) ext->e_type);
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bfd_h_put_8(abfd, in->n_sclass , ext->e_sclass);
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bfd_h_put_8(abfd, in->n_numaux , ext->e_numaux);
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return bfd_coff_symesz (abfd);
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}
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static void
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xcoff64_swap_aux_in (abfd, ext1, type, class, indx, numaux, in1)
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bfd *abfd;
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PTR ext1;
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int type;
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int class;
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int indx;
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int numaux;
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PTR in1;
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{
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AUXENT *ext = (AUXENT *)ext1;
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union internal_auxent *in = (union internal_auxent *)in1;
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switch (class) {
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case C_FILE:
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if (ext->x_file.x_fname[0] == 0) {
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in->x_file.x_n.x_zeroes = 0;
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in->x_file.x_n.x_offset =
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bfd_h_get_32(abfd, (bfd_byte *) ext->x_file.x_n.x_offset);
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} else {
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if (numaux > 1)
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{
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if (indx == 0)
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memcpy (in->x_file.x_fname, ext->x_file.x_fname,
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numaux * sizeof (AUXENT));
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}
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else
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{
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memcpy (in->x_file.x_fname, ext->x_file.x_fname, FILNMLEN);
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}
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}
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goto end;
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/* RS/6000 "csect" auxents */
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case C_EXT:
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case C_HIDEXT:
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if (indx + 1 == numaux)
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{
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in->x_csect.x_scnlen.l =
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bfd_h_get_32(abfd, ext->x_csect.x_scnlen_lo);
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/* FIXME: If we want section lengths larger than 32 bits, we need
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to modify the internal coff structures to support it. */
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in->x_csect.x_parmhash = bfd_h_get_32 (abfd,
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ext->x_csect.x_parmhash);
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in->x_csect.x_snhash = bfd_h_get_16 (abfd, ext->x_csect.x_snhash);
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/* We don't have to hack bitfields in x_smtyp because it's
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defined by shifts-and-ands, which are equivalent on all
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byte orders. */
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in->x_csect.x_smtyp = bfd_h_get_8 (abfd, ext->x_csect.x_smtyp);
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in->x_csect.x_smclas = bfd_h_get_8 (abfd, ext->x_csect.x_smclas);
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goto end;
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}
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break;
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case C_STAT:
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case C_LEAFSTAT:
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case C_HIDDEN:
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if (type == T_NULL) {
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/* PE defines some extra fields; we zero them out for
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safety. */
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in->x_scn.x_checksum = 0;
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in->x_scn.x_associated = 0;
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in->x_scn.x_comdat = 0;
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goto end;
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}
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break;
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}
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if (class == C_BLOCK || class == C_FCN || ISFCN (type) || ISTAG (class))
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{
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in->x_sym.x_fcnary.x_fcn.x_lnnoptr = bfd_h_get_64(abfd, (bfd_byte *)
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ext->x_sym.x_fcnary.x_fcn.x_lnnoptr);
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in->x_sym.x_fcnary.x_fcn.x_endndx.l = bfd_h_get_32(abfd, (bfd_byte *)
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ext->x_sym.x_fcnary.x_fcn.x_endndx);
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}
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if (ISFCN(type)) {
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in->x_sym.x_misc.x_fsize = bfd_h_get_32(abfd, (bfd_byte *) ext->x_sym.x_fcnary.x_fcn.x_fsize);
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}
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else {
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in->x_sym.x_misc.x_lnsz.x_lnno = bfd_h_get_32(abfd, (bfd_byte *)
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ext->x_sym.x_fcnary.x_lnsz.x_lnno);
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in->x_sym.x_misc.x_lnsz.x_size = bfd_h_get_16(abfd, (bfd_byte *)
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ext->x_sym.x_fcnary.x_lnsz.x_size);
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}
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end: ;
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/* the semicolon is because MSVC doesn't like labels at
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end of block. */
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}
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static unsigned int
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xcoff64_swap_aux_out (abfd, inp, type, class, indx, numaux, extp)
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bfd *abfd;
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PTR inp;
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int type;
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int class;
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int indx ATTRIBUTE_UNUSED;
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int numaux ATTRIBUTE_UNUSED;
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PTR extp;
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{
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union internal_auxent *in = (union internal_auxent *)inp;
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AUXENT *ext = (AUXENT *)extp;
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memset((PTR)ext, 0, bfd_coff_auxesz (abfd));
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switch (class)
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{
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case C_FILE:
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if (in->x_file.x_fname[0] == 0)
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{
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PUTWORD(abfd, 0, (bfd_byte *) ext->x_file.x_n.x_zeroes);
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PUTWORD(abfd,
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in->x_file.x_n.x_offset,
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(bfd_byte *) ext->x_file.x_n.x_offset);
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}
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else
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{
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memcpy (ext->x_file.x_fname, in->x_file.x_fname, FILNMLEN);
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}
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PUTBYTE (abfd, _AUX_FILE, (bfd_byte *) ext->x_auxtype.x_auxtype);
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goto end;
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/* RS/6000 "csect" auxents */
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case C_EXT:
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case C_HIDEXT:
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if (indx + 1 == numaux)
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{
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PUTWORD (abfd, in->x_csect.x_scnlen.l, ext->x_csect.x_scnlen_lo);
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PUTWORD (abfd, in->x_csect.x_parmhash, ext->x_csect.x_parmhash);
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PUTHALF (abfd, in->x_csect.x_snhash, ext->x_csect.x_snhash);
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/* We don't have to hack bitfields in x_smtyp because it's
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defined by shifts-and-ands, which are equivalent on all
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byte orders. */
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PUTBYTE (abfd, in->x_csect.x_smtyp, ext->x_csect.x_smtyp);
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PUTBYTE (abfd, in->x_csect.x_smclas, ext->x_csect.x_smclas);
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PUTBYTE (abfd, _AUX_CSECT, (bfd_byte *) ext->x_auxtype.x_auxtype);
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goto end;
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}
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break;
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case C_STAT:
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case C_LEAFSTAT:
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case C_HIDDEN:
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if (type == T_NULL) {
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goto end;
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}
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break;
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}
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if (class == C_BLOCK || class == C_FCN || ISFCN (type) || ISTAG (class))
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{
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bfd_h_put_64(abfd, in->x_sym.x_fcnary.x_fcn.x_lnnoptr,
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(bfd_byte *) ext->x_sym.x_fcnary.x_fcn.x_lnnoptr);
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PUTBYTE (abfd, _AUX_FCN, (bfd_byte *) ext->x_auxtype.x_auxtype);
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PUTWORD(abfd, in->x_sym.x_fcnary.x_fcn.x_endndx.l,
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(bfd_byte *) ext->x_sym.x_fcnary.x_fcn.x_endndx);
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}
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if (ISFCN (type))
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PUTWORD (abfd, in->x_sym.x_misc.x_fsize,
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(bfd_byte *) ext->x_sym.x_fcnary.x_fcn.x_fsize);
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|||
|
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 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 RTYPE2HOWTO(cache_ptr, dst) _bfd_xcoff_rtype2howto (cache_ptr, dst)
|
|||
|
|
|||
|
#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 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_relocate_section _bfd_ppc_xcoff_relocate_section
|
|||
|
|
|||
|
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 _bfd_xcoff_rtype2howto
|
|||
|
PARAMS ((arelent *, struct internal_reloc *));
|
|||
|
extern reloc_howto_type *_bfd_xcoff_reloc_type_lookup
|
|||
|
PARAMS ((bfd *, bfd_reloc_code_real_type));
|
|||
|
extern 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_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));
|
|||
|
|
|||
|
#define _bfd_xcoff_slurp_extended_name_table bfd_false
|
|||
|
#define _bfd_xcoff_construct_extended_name_table \
|
|||
|
((boolean (*) PARAMS ((bfd *, char **, bfd_size_type *, const char **))) \
|
|||
|
bfd_false)
|
|||
|
#define _bfd_xcoff_truncate_arname bfd_dont_truncate_arname
|
|||
|
|
|||
|
/* We can use the standard get_elt_at_index routine. */
|
|||
|
|
|||
|
#define _bfd_xcoff_get_elt_at_index _bfd_generic_get_elt_at_index
|
|||
|
|
|||
|
/* XCOFF archives do not have a timestamp. */
|
|||
|
|
|||
|
#define _bfd_xcoff_update_armap_timestamp bfd_true
|
|||
|
|
|||
|
#include "coffcode.h"
|
|||
|
|
|||
|
#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 _bfd_xcoff_bfd_get_relocated_section_contents \
|
|||
|
coff_bfd_get_relocated_section_contents
|
|||
|
#define _bfd_xcoff_bfd_relax_section coff_bfd_relax_section
|
|||
|
#define _bfd_xcoff_bfd_gc_sections coff_bfd_gc_sections
|
|||
|
#define _bfd_xcoff_bfd_link_split_section coff_bfd_link_split_section
|
|||
|
|
|||
|
/* The transfer vector that leads the outside world to all of the above. */
|
|||
|
|
|||
|
const bfd_target
|
|||
|
#ifdef TARGET_SYM
|
|||
|
TARGET_SYM =
|
|||
|
#else
|
|||
|
rs6000coff64_vec =
|
|||
|
#endif
|
|||
|
{
|
|||
|
#ifdef TARGET_NAME
|
|||
|
TARGET_NAME,
|
|||
|
#else
|
|||
|
"aixcoff64-rs6000", /* name */
|
|||
|
#endif
|
|||
|
bfd_target_coff_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 */
|
|||
|
|
|||
|
bfd_getb64, bfd_getb_signed_64, bfd_putb64,
|
|||
|
bfd_getb32, bfd_getb_signed_32, bfd_putb32,
|
|||
|
bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* data */
|
|||
|
bfd_getb64, bfd_getb_signed_64, bfd_putb64,
|
|||
|
bfd_getb32, bfd_getb_signed_32, bfd_putb32,
|
|||
|
bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* hdrs */
|
|||
|
|
|||
|
{_bfd_dummy_target, coff_object_p, /* bfd_check_format */
|
|||
|
_bfd_xcoff_archive_p, CORE_FILE_P},
|
|||
|
{bfd_false, coff_mkobject, /* bfd_set_format */
|
|||
|
_bfd_generic_mkarchive, bfd_false},
|
|||
|
{bfd_false, coff_write_object_contents, /* bfd_write_contents */
|
|||
|
_bfd_xcoff_write_archive_contents, bfd_false},
|
|||
|
|
|||
|
BFD_JUMP_TABLE_GENERIC (coff),
|
|||
|
BFD_JUMP_TABLE_COPY (coff),
|
|||
|
BFD_JUMP_TABLE_CORE (coff),
|
|||
|
BFD_JUMP_TABLE_ARCHIVE (_bfd_xcoff),
|
|||
|
BFD_JUMP_TABLE_SYMBOLS (coff),
|
|||
|
BFD_JUMP_TABLE_RELOCS (coff),
|
|||
|
BFD_JUMP_TABLE_WRITE (coff),
|
|||
|
BFD_JUMP_TABLE_LINK (_bfd_xcoff),
|
|||
|
BFD_JUMP_TABLE_DYNAMIC (_bfd_xcoff),
|
|||
|
|
|||
|
NULL,
|
|||
|
|
|||
|
COFF_SWAP_TABLE
|
|||
|
};
|