diff options
Diffstat (limited to 'binutils-2.17/bfd/coff64-rs6000.c')
| -rw-r--r-- | binutils-2.17/bfd/coff64-rs6000.c | 3012 |
1 files changed, 0 insertions, 3012 deletions
diff --git a/binutils-2.17/bfd/coff64-rs6000.c b/binutils-2.17/bfd/coff64-rs6000.c deleted file mode 100644 index e0aa87ef..00000000 --- a/binutils-2.17/bfd/coff64-rs6000.c +++ /dev/null @@ -1,3012 +0,0 @@ -/* BFD back-end for IBM RS/6000 "XCOFF64" files. - Copyright 2000, 2001, 2002, 2003, 2004, 2005 - Free Software Foundation, Inc. - Written Clinton Popetz. - Contributed by Cygnus Support. - - This file is part of BFD, the Binary File Descriptor library. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, 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 H_GET_64 -#define PUT_FILEHDR_SYMPTR H_PUT_64 -#define GET_AOUTHDR_DATA_START H_GET_64 -#define PUT_AOUTHDR_DATA_START H_PUT_64 -#define GET_AOUTHDR_TEXT_START H_GET_64 -#define PUT_AOUTHDR_TEXT_START H_PUT_64 -#define GET_AOUTHDR_TSIZE H_GET_64 -#define PUT_AOUTHDR_TSIZE H_PUT_64 -#define GET_AOUTHDR_DSIZE H_GET_64 -#define PUT_AOUTHDR_DSIZE H_PUT_64 -#define GET_AOUTHDR_BSIZE H_GET_64 -#define PUT_AOUTHDR_BSIZE H_PUT_64 -#define GET_AOUTHDR_ENTRY H_GET_64 -#define PUT_AOUTHDR_ENTRY H_PUT_64 -#define GET_SCNHDR_PADDR H_GET_64 -#define PUT_SCNHDR_PADDR H_PUT_64 -#define GET_SCNHDR_VADDR H_GET_64 -#define PUT_SCNHDR_VADDR H_PUT_64 -#define GET_SCNHDR_SIZE H_GET_64 -#define PUT_SCNHDR_SIZE H_PUT_64 -#define GET_SCNHDR_SCNPTR H_GET_64 -#define PUT_SCNHDR_SCNPTR H_PUT_64 -#define GET_SCNHDR_RELPTR H_GET_64 -#define PUT_SCNHDR_RELPTR H_PUT_64 -#define GET_SCNHDR_LNNOPTR H_GET_64 -#define PUT_SCNHDR_LNNOPTR H_PUT_64 -#define GET_SCNHDR_NRELOC H_GET_32 -#define MAX_SCNHDR_NRELOC 0xffffffff -#define PUT_SCNHDR_NRELOC H_PUT_32 -#define GET_SCNHDR_NLNNO H_GET_32 -#define MAX_SCNHDR_NLNNO 0xffffffff -#define PUT_SCNHDR_NLNNO H_PUT_32 -#define GET_RELOC_VADDR H_GET_64 -#define PUT_RELOC_VADDR H_PUT_64 - -#define COFF_FORCE_SYMBOLS_IN_STRINGS -#define COFF_DEBUG_STRING_WIDE_PREFIX - - -#define COFF_ADJUST_SCNHDR_OUT_POST(ABFD, INT, EXT) \ - do \ - { \ - memset (((SCNHDR *) EXT)->s_pad, 0, \ - sizeof (((SCNHDR *) EXT)->s_pad)); \ - } \ - while (0) - -#define NO_COFF_LINENOS - -#define coff_SWAP_lineno_in _bfd_xcoff64_swap_lineno_in -#define coff_SWAP_lineno_out _bfd_xcoff64_swap_lineno_out - -static void _bfd_xcoff64_swap_lineno_in - PARAMS ((bfd *, PTR, PTR)); -static unsigned int _bfd_xcoff64_swap_lineno_out - PARAMS ((bfd *, PTR, PTR)); -static bfd_boolean _bfd_xcoff64_put_symbol_name - PARAMS ((bfd *, struct bfd_strtab_hash *, struct internal_syment *, - const char *)); -static bfd_boolean _bfd_xcoff64_put_ldsymbol_name - PARAMS ((bfd *, struct xcoff_loader_info *, struct internal_ldsym *, - const char *)); -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 xcoff64_swap_reloc_in - PARAMS ((bfd *, PTR, PTR)); -static unsigned int xcoff64_swap_reloc_out - PARAMS ((bfd *, PTR, PTR)); -extern bfd_boolean _bfd_xcoff_mkobject - PARAMS ((bfd *)); -extern bfd_boolean _bfd_xcoff_copy_private_bfd_data - PARAMS ((bfd *, bfd *)); -extern bfd_boolean _bfd_xcoff_is_local_label_name - PARAMS ((bfd *, const char *)); -extern void xcoff64_rtype2howto - PARAMS ((arelent *, struct internal_reloc *)); -extern reloc_howto_type * xcoff64_reloc_type_lookup - PARAMS ((bfd *, bfd_reloc_code_real_type)); -extern bfd_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_stat_arch_elt - PARAMS ((bfd *, struct stat *)); -extern bfd_boolean _bfd_xcoff_write_armap - PARAMS ((bfd *, unsigned int, struct orl *, unsigned int, int)); -extern bfd_boolean _bfd_xcoff_write_archive_contents - PARAMS ((bfd *)); -extern int _bfd_xcoff_sizeof_headers - PARAMS ((bfd *, 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)); -static void xcoff64_swap_ldhdr_in - PARAMS ((bfd *, const PTR, struct internal_ldhdr *)); -static void xcoff64_swap_ldhdr_out - PARAMS ((bfd *, const struct internal_ldhdr *, PTR d)); -static void xcoff64_swap_ldsym_in - PARAMS ((bfd *, const PTR, struct internal_ldsym *)); -static void xcoff64_swap_ldsym_out - PARAMS ((bfd *, const struct internal_ldsym *, PTR d)); -static void xcoff64_swap_ldrel_in - PARAMS ((bfd *, const PTR, struct internal_ldrel *)); -static void xcoff64_swap_ldrel_out - PARAMS ((bfd *, const struct internal_ldrel *, PTR d)); -static bfd_boolean xcoff64_write_object_contents - PARAMS ((bfd *)); -static bfd_boolean xcoff64_ppc_relocate_section - PARAMS ((bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, - struct internal_reloc *, struct internal_syment *, - asection **)); -static bfd_boolean xcoff64_slurp_armap - PARAMS ((bfd *)); -static const bfd_target *xcoff64_archive_p - PARAMS ((bfd *)); -static bfd *xcoff64_openr_next_archived_file - PARAMS ((bfd *, bfd *)); -static int xcoff64_sizeof_headers - PARAMS ((bfd *, bfd_boolean)); -static asection *xcoff64_create_csect_from_smclas - PARAMS ((bfd *, union internal_auxent *, const char *)); -static bfd_boolean xcoff64_is_lineno_count_overflow - PARAMS ((bfd *, bfd_vma)); -static bfd_boolean xcoff64_is_reloc_count_overflow - PARAMS ((bfd *, bfd_vma)); -static bfd_vma xcoff64_loader_symbol_offset - PARAMS ((bfd *, struct internal_ldhdr *)); -static bfd_vma xcoff64_loader_reloc_offset - PARAMS ((bfd *, struct internal_ldhdr *)); -static bfd_boolean xcoff64_generate_rtinit - PARAMS ((bfd *, const char *, const char *, bfd_boolean)); -static bfd_boolean xcoff64_bad_format_hook - PARAMS ((bfd *, PTR )); - -/* Relocation functions */ -static bfd_boolean xcoff64_reloc_type_br - PARAMS ((XCOFF_RELOC_FUNCTION_ARGS)); - -bfd_boolean (*xcoff64_calculate_relocation[XCOFF_MAX_CALCULATE_RELOCATION]) - PARAMS ((XCOFF_RELOC_FUNCTION_ARGS)) = -{ - xcoff_reloc_type_pos, /* R_POS (0x00) */ - xcoff_reloc_type_neg, /* R_NEG (0x01) */ - xcoff_reloc_type_rel, /* R_REL (0x02) */ - xcoff_reloc_type_toc, /* R_TOC (0x03) */ - xcoff_reloc_type_fail, /* R_RTB (0x04) */ - xcoff_reloc_type_toc, /* R_GL (0x05) */ - xcoff_reloc_type_toc, /* R_TCL (0x06) */ - xcoff_reloc_type_fail, /* (0x07) */ - xcoff_reloc_type_ba, /* R_BA (0x08) */ - xcoff_reloc_type_fail, /* (0x09) */ - xcoff64_reloc_type_br, /* R_BR (0x0a) */ - xcoff_reloc_type_fail, /* (0x0b) */ - xcoff_reloc_type_pos, /* R_RL (0x0c) */ - xcoff_reloc_type_pos, /* R_RLA (0x0d) */ - xcoff_reloc_type_fail, /* (0x0e) */ - xcoff_reloc_type_noop, /* R_REF (0x0f) */ - xcoff_reloc_type_fail, /* (0x10) */ - xcoff_reloc_type_fail, /* (0x11) */ - xcoff_reloc_type_toc, /* R_TRL (0x12) */ - xcoff_reloc_type_toc, /* R_TRLA (0x13) */ - xcoff_reloc_type_fail, /* R_RRTBI (0x14) */ - xcoff_reloc_type_fail, /* R_RRTBA (0x15) */ - xcoff_reloc_type_ba, /* R_CAI (0x16) */ - xcoff_reloc_type_crel, /* R_CREL (0x17) */ - xcoff_reloc_type_ba, /* R_RBA (0x18) */ - xcoff_reloc_type_ba, /* R_RBAC (0x19) */ - xcoff64_reloc_type_br, /* R_RBR (0x1a) */ - xcoff_reloc_type_ba, /* R_RBRC (0x1b) */ -}; - -/* 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 -#ifdef AIX_CORE -extern const bfd_target * rs6000coff_core_p - PARAMS ((bfd *abfd)); -extern bfd_boolean rs6000coff_core_file_matches_executable_p - PARAMS ((bfd *cbfd, bfd *ebfd)); -extern char *rs6000coff_core_file_failing_command - PARAMS ((bfd *abfd)); -extern int rs6000coff_core_file_failing_signal - PARAMS ((bfd *abfd)); -#define CORE_FILE_P rs6000coff_core_p -#define coff_core_file_failing_command \ - rs6000coff_core_file_failing_command -#define coff_core_file_failing_signal \ - rs6000coff_core_file_failing_signal -#define coff_core_file_matches_executable_p \ - rs6000coff_core_file_matches_executable_p -#else -#define CORE_FILE_P _bfd_dummy_target -#define coff_core_file_failing_command \ - _bfd_nocore_core_file_failing_command -#define coff_core_file_failing_signal \ - _bfd_nocore_core_file_failing_signal -#define coff_core_file_matches_executable_p \ - _bfd_nocore_core_file_matches_executable_p -#endif -#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 -#define coff_swap_reloc_in xcoff64_swap_reloc_in -#define coff_swap_reloc_out xcoff64_swap_reloc_out -#define NO_COFF_RELOCS - -#include "coffcode.h" - -/* 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; -{ - LINENO *ext = (LINENO *) ext1; - struct internal_lineno *in = (struct internal_lineno *) in1; - - in->l_lnno = H_GET_32 (abfd, (ext->l_lnno)); - if (in->l_lnno == 0) - in->l_addr.l_symndx = H_GET_32 (abfd, ext->l_addr.l_symndx); - else - in->l_addr.l_paddr = H_GET_64 (abfd, ext->l_addr.l_paddr); -} - -static unsigned int -_bfd_xcoff64_swap_lineno_out (abfd, inp, outp) - bfd *abfd; - PTR inp; - PTR outp; -{ - struct internal_lineno *in = (struct internal_lineno *) inp; - struct external_lineno *ext = (struct external_lineno *) outp; - - H_PUT_32 (abfd, in->l_addr.l_symndx, ext->l_addr.l_symndx); - H_PUT_32 (abfd, in->l_lnno, (ext->l_lnno)); - - if (in->l_lnno == 0) - H_PUT_32 (abfd, in->l_addr.l_symndx, ext->l_addr.l_symndx); - else - H_PUT_64 (abfd, in->l_addr.l_paddr, ext->l_addr.l_paddr); - - return bfd_coff_linesz (abfd); -} - -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 = H_GET_32 (abfd, ext->e_offset); - in->n_value = H_GET_64 (abfd, ext->e_value); - in->n_scnum = H_GET_16 (abfd, ext->e_scnum); - in->n_type = H_GET_16 (abfd, ext->e_type); - in->n_sclass = H_GET_8 (abfd, ext->e_sclass); - in->n_numaux = H_GET_8 (abfd, ext->e_numaux); -} - -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; - - H_PUT_32 (abfd, in->_n._n_n._n_offset, ext->e_offset); - H_PUT_64 (abfd, in->n_value, ext->e_value); - H_PUT_16 (abfd, in->n_scnum, ext->e_scnum); - H_PUT_16 (abfd, in->n_type, ext->e_type); - H_PUT_8 (abfd, in->n_sclass, ext->e_sclass); - H_PUT_8 (abfd, in->n_numaux, ext->e_numaux); - return bfd_coff_symesz (abfd); -} - -static void -_bfd_xcoff64_swap_aux_in (abfd, ext1, type, class, indx, numaux, in1) - bfd *abfd; - PTR ext1; - int type; - int class; - int indx; - 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] == 0) - { - in->x_file.x_n.x_zeroes = 0; - in->x_file.x_n.x_offset = H_GET_32 (abfd, ext->x_file.x_n.x_offset); - } - else - { - memcpy (in->x_file.x_fname, ext->x_file.x_fname, FILNMLEN); - } - goto end; - - /* RS/6000 "csect" auxents */ - case C_EXT: - case C_HIDEXT: - if (indx + 1 == numaux) - { - bfd_signed_vma h = 0; - bfd_vma l = 0; - - h = H_GET_S32 (abfd, ext->x_csect.x_scnlen_hi); - l = 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 = H_GET_32 (abfd, ext->x_csect.x_parmhash); - in->x_csect.x_snhash = H_GET_16 (abfd, ext->x_csect.x_snhash); - /* We don't have to hack bitfields in x_smtyp because it's - defined by shifts-and-ands, which are equivalent on all - byte orders. */ - in->x_csect.x_smtyp = H_GET_8 (abfd, ext->x_csect.x_smtyp); - in->x_csect.x_smclas = H_GET_8 (abfd, ext->x_csect.x_smclas); - goto end; - } - break; - - case C_STAT: - case C_LEAFSTAT: - case C_HIDDEN: - if (type == T_NULL) - { - /* PE defines some extra fields; we zero them out for - safety. */ - in->x_scn.x_checksum = 0; - in->x_scn.x_associated = 0; - in->x_scn.x_comdat = 0; - - goto end; - } - break; - } - - if (class == C_BLOCK || class == C_FCN || ISFCN (type) || ISTAG (class)) - { - in->x_sym.x_fcnary.x_fcn.x_lnnoptr - = H_GET_64 (abfd, ext->x_sym.x_fcnary.x_fcn.x_lnnoptr); - in->x_sym.x_fcnary.x_fcn.x_endndx.l - = H_GET_32 (abfd, ext->x_sym.x_fcnary.x_fcn.x_endndx); - } - if (ISFCN (type)) - { - in->x_sym.x_misc.x_fsize - = H_GET_32 (abfd, ext->x_sym.x_fcnary.x_fcn.x_fsize); - } - else - { - in->x_sym.x_misc.x_lnsz.x_lnno - = H_GET_32 (abfd, ext->x_sym.x_fcnary.x_lnsz.x_lnno); - in->x_sym.x_misc.x_lnsz.x_size - = H_GET_16 (abfd, ext->x_sym.x_fcnary.x_lnsz.x_size); - } - - end: ; -} - -static unsigned int -_bfd_xcoff64_swap_aux_out (abfd, inp, type, class, indx, numaux, extp) - bfd *abfd; - PTR inp; - int type; - int class; - int indx ATTRIBUTE_UNUSED; - int numaux ATTRIBUTE_UNUSED; - 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 (in->x_file.x_n.x_zeroes == 0) - { - H_PUT_32 (abfd, 0, ext->x_file.x_n.x_zeroes); - H_PUT_32 (abfd, in->x_file.x_n.x_offset, ext->x_file.x_n.x_offset); - } - else - { - memcpy (ext->x_file.x_fname, in->x_file.x_fname, FILNMLEN); - } - H_PUT_8 (abfd, _AUX_FILE, ext->x_auxtype.x_auxtype); - goto end; - - /* RS/6000 "csect" auxents */ - case C_EXT: - case C_HIDEXT: - if (indx + 1 == numaux) - { - bfd_vma temp; - - temp = in->x_csect.x_scnlen.l & 0xffffffff; - H_PUT_32 (abfd, temp, ext->x_csect.x_scnlen_lo); - temp = in->x_csect.x_scnlen.l >> 32; - H_PUT_32 (abfd, temp, ext->x_csect.x_scnlen_hi); - H_PUT_32 (abfd, in->x_csect.x_parmhash, ext->x_csect.x_parmhash); - H_PUT_16 (abfd, in->x_csect.x_snhash, ext->x_csect.x_snhash); - /* We don't have to hack bitfields in x_smtyp because it's - defined by shifts-and-ands, which are equivalent on all - byte orders. */ - H_PUT_8 (abfd, in->x_csect.x_smtyp, ext->x_csect.x_smtyp); - H_PUT_8 (abfd, in->x_csect.x_smclas, ext->x_csect.x_smclas); - H_PUT_8 (abfd, _AUX_CSECT, ext->x_auxtype.x_auxtype); - goto end; - } - break; - - case C_STAT: - case C_LEAFSTAT: - case C_HIDDEN: - if (type == T_NULL) - { - goto end; - } - break; - } - - if (class == C_BLOCK || class == C_FCN || ISFCN (type) || ISTAG (class)) - { - H_PUT_64 (abfd, in->x_sym.x_fcnary.x_fcn.x_lnnoptr, - ext->x_sym.x_fcnary.x_fcn.x_lnnoptr); - H_PUT_8 (abfd, _AUX_FCN, - ext->x_auxtype.x_auxtype); - H_PUT_32 (abfd, in->x_sym.x_fcnary.x_fcn.x_endndx.l, - ext->x_sym.x_fcnary.x_fcn.x_endndx); - } - if (ISFCN (type)) - { - H_PUT_32 (abfd, in->x_sym.x_misc.x_fsize, - ext->x_sym.x_fcnary.x_fcn.x_fsize); - } - else - { - H_PUT_32 (abfd, in->x_sym.x_misc.x_lnsz.x_lnno, - ext->x_sym.x_fcnary.x_lnsz.x_lnno); - H_PUT_16 (abfd, in->x_sym.x_misc.x_lnsz.x_size, - ext->x_sym.x_fcnary.x_lnsz.x_size); - } - - end: - - return bfd_coff_auxesz (abfd); -} - -static bfd_boolean -_bfd_xcoff64_put_symbol_name (abfd, strtab, sym, name) - bfd *abfd; - struct bfd_strtab_hash *strtab; - struct internal_syment *sym; - const char *name; -{ - bfd_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 bfd_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) - { - bfd_size_type newalc; - char *newstrings; - - newalc = ldinfo->string_alc * 2; - if (newalc == 0) - newalc = 32; - while (ldinfo->string_size + len + 3 > newalc) - newalc *= 2; - - newstrings = bfd_realloc (ldinfo->strings, newalc); - if (newstrings == NULL) - { - ldinfo->failed = TRUE; - return FALSE; - } - ldinfo->string_alc = newalc; - ldinfo->strings = newstrings; - } - - bfd_put_16 (ldinfo->output_bfd, (bfd_vma) (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; -} - -/* 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, s, dst) - bfd *abfd; - const PTR s; - struct internal_ldhdr *dst; -{ - const struct external_ldhdr *src = (const struct external_ldhdr *) s; - - 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, d) - bfd *abfd; - const struct internal_ldhdr *src; - PTR d; -{ - struct external_ldhdr *dst = (struct external_ldhdr *) d; - - bfd_put_32 (abfd, (bfd_vma) 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, s, dst) - bfd *abfd; - const PTR s; - struct internal_ldsym *dst; -{ - const struct external_ldsym *src = (const struct external_ldsym *) s; - /* 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, d) - bfd *abfd; - const struct internal_ldsym *src; - PTR d; -{ - struct external_ldsym *dst = (struct external_ldsym *) d; - - bfd_put_64 (abfd, src->l_value, dst->l_value); - bfd_put_32 (abfd, (bfd_vma) src->_l._l_l._l_offset, dst->l_offset); - bfd_put_16 (abfd, (bfd_vma) 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); -} - -static void -xcoff64_swap_reloc_in (abfd, s, d) - bfd *abfd; - PTR s; - PTR d; -{ - struct external_reloc *src = (struct external_reloc *) s; - struct internal_reloc *dst = (struct internal_reloc *) d; - - memset (dst, 0, sizeof (struct internal_reloc)); - - dst->r_vaddr = bfd_get_64 (abfd, src->r_vaddr); - dst->r_symndx = bfd_get_32 (abfd, src->r_symndx); - dst->r_size = bfd_get_8 (abfd, src->r_size); - dst->r_type = bfd_get_8 (abfd, src->r_type); -} - -static unsigned int -xcoff64_swap_reloc_out (abfd, s, d) - bfd *abfd; - PTR s; - PTR d; -{ - struct internal_reloc *src = (struct internal_reloc *) s; - struct external_reloc *dst = (struct external_reloc *) d; - - bfd_put_64 (abfd, src->r_vaddr, dst->r_vaddr); - bfd_put_32 (abfd, src->r_symndx, dst->r_symndx); - bfd_put_8 (abfd, src->r_type, dst->r_type); - bfd_put_8 (abfd, src->r_size, dst->r_size); - - return bfd_coff_relsz (abfd); -} - -/* Swap in the ldrel structure. */ - -static void -xcoff64_swap_ldrel_in (abfd, s, dst) - bfd *abfd; - const PTR s; - struct internal_ldrel *dst; -{ - const struct external_ldrel *src = (const struct external_ldrel *) s; - - 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, d) - bfd *abfd; - const struct internal_ldrel *src; - PTR d; -{ - struct external_ldrel *dst = (struct external_ldrel *) d; - - bfd_put_64 (abfd, src->l_vaddr, dst->l_vaddr); - bfd_put_16 (abfd, (bfd_vma) src->l_rtype, dst->l_rtype); - bfd_put_16 (abfd, (bfd_vma) src->l_rsecnm, dst->l_rsecnm); - bfd_put_32 (abfd, src->l_symndx, dst->l_symndx); -} - -static bfd_boolean -xcoff64_write_object_contents (abfd) - bfd *abfd; -{ - asection *current; - bfd_boolean hasrelocs = FALSE; - bfd_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; - bfd_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) - { - 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; - bfd_size_type amount; - - internal_f.f_nscns++; - - strncpy (section.s_name, current->name, SCNNMLEN); - - section.s_vaddr = current->vma; - section.s_paddr = current->lma; - section.s_size = current->size; - - /* If this section has no size or is unloadable then the scnptr - will be 0 too. */ - if (current->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; - } - - amount = bfd_coff_scnhsz (abfd); - if (bfd_coff_swap_scnhdr_out (abfd, §ion, &buff) == 0 - || bfd_bwrite ((PTR) (&buff), amount, abfd) != amount) - 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); - - internal_f.f_magic = bfd_xcoff_magic_number (abfd); - 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 = text_sec->size; - internal_a.text_start = internal_a.tsize ? text_sec->vma : 0; - } - - if (data_sec) - { - internal_a.dsize = data_sec->size; - internal_a.data_start = internal_a.dsize ? data_sec->vma : 0; - } - - if (bss_sec) - { - internal_a.bsize = bss_sec->size; - 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) == bfd_mach_ppc) - 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 = bfd_coff_filhsz (abfd); - - buff = bfd_malloc (amount); - if (buff == NULL) - return FALSE; - - bfd_coff_swap_filehdr_out (abfd, (PTR) &internal_f, (PTR) buff); - amount = bfd_bwrite ((PTR) buff, amount, abfd); - - free (buff); - - if (amount != bfd_coff_filhsz (abfd)) - return FALSE; - } - - if (abfd->flags & EXEC_P) - { - char * buff; - bfd_size_type amount = bfd_coff_aoutsz (abfd); - - buff = bfd_malloc (amount); - if (buff == NULL) - return FALSE; - - bfd_coff_swap_aouthdr_out (abfd, (PTR) &internal_a, (PTR) buff); - amount = bfd_bwrite ((PTR) buff, amount, abfd); - - free (buff); - - if (amount != bfd_coff_aoutsz (abfd)) - return FALSE; - } - - return TRUE; -} - -static bfd_boolean -xcoff64_reloc_type_br (input_bfd, input_section, output_bfd, rel, sym, howto, - val, addend, relocation, contents) - bfd *input_bfd; - asection *input_section; - bfd *output_bfd ATTRIBUTE_UNUSED; - struct internal_reloc *rel; - struct internal_syment *sym ATTRIBUTE_UNUSED; - struct reloc_howto_struct *howto; - bfd_vma val; - bfd_vma addend; - bfd_vma *relocation; - bfd_byte *contents; -{ - struct xcoff_link_hash_entry *h; - - if (0 > rel->r_symndx) - return FALSE; - - h = obj_xcoff_sym_hashes (input_bfd)[rel->r_symndx]; - - /* 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 (NULL != h - && bfd_link_hash_defined == h->root.type - && rel->r_vaddr - input_section->vma + 8 <= input_section->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. */ - 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 */ - } - } - else if (NULL != h && bfd_link_hash_undefined == h->root.type) - { - /* Normally, this relocation is against a defined symbol. In the - case where this is a partial link and the output section offset - is greater than 2^25, the linker will return an invalid error - message that the relocation has been truncated. Yes it has been - truncated but no it not important. For this case, disable the - overflow checking. */ - howto->complain_on_overflow = complain_overflow_dont; - } - - howto->pc_relative = TRUE; - howto->src_mask &= ~3; - howto->dst_mask = howto->src_mask; - - /* A PC relative reloc includes the section address. */ - addend += input_section->vma; - - *relocation = val + addend; - *relocation -= (input_section->output_section->vma - + input_section->output_offset); - return TRUE; -} - -/* This is the relocation function for the PowerPC64. - See xcoff_ppc_relocation_section for more information. */ - -bfd_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_vma relocation; - bfd_vma value_to_relocate; - bfd_vma address; - bfd_byte *location; - - /* 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; - - /* howto */ - howto.type = rel->r_type; - howto.rightshift = 0; - howto.bitsize = (rel->r_size & 0x3f) + 1; - howto.size = howto.bitsize > 16 ? (howto.bitsize > 32 ? 4 : 2) : 1; - howto.pc_relative = FALSE; - howto.bitpos = 0; - howto.complain_on_overflow = (rel->r_size & 0x80 - ? complain_overflow_signed - : complain_overflow_bitfield); - howto.special_function = NULL; - howto.name = "internal"; - howto.partial_inplace = TRUE; - howto.src_mask = howto.dst_mask = N_ONES (howto.bitsize); - howto.pcrel_offset = FALSE; - - /* symbol */ - val = 0; - addend = 0; - h = NULL; - sym = NULL; - symndx = rel->r_symndx; - - if (-1 != symndx) - { - asection *sec; - - h = obj_xcoff_sym_hashes (input_bfd)[symndx]; - sym = syms + symndx; - addend = - sym->n_value; - - if (NULL == h) - { - 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) - { - 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) - { - sec = h->root.u.c.p->section; - val = (sec->output_section->vma - + sec->output_offset); - } - else if ((0 == (h->flags & (XCOFF_DEF_DYNAMIC | XCOFF_IMPORT))) - && ! info->relocatable) - { - 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; - } - } - } - - if (rel->r_type >= XCOFF_MAX_CALCULATE_RELOCATION - || !((*xcoff64_calculate_relocation[rel->r_type]) - (input_bfd, input_section, output_bfd, rel, sym, &howto, val, - addend, &relocation, contents))) - return FALSE; - - /* address */ - address = rel->r_vaddr - input_section->vma; - location = contents + address; - - if (address > input_section->size) - abort (); - - /* Get the value we are going to relocate. */ - if (1 == howto.size) - value_to_relocate = bfd_get_16 (input_bfd, location); - else if (2 == howto.size) - value_to_relocate = bfd_get_32 (input_bfd, location); - else - value_to_relocate = bfd_get_64 (input_bfd, location); - - /* overflow. - - FIXME: We may drop bits during the addition - which we don't check for. We must either check at every single - operation, which would be tedious, or we must do the computations - in a type larger than bfd_vma, which would be inefficient. */ - - if ((unsigned int) howto.complain_on_overflow - >= XCOFF_MAX_COMPLAIN_OVERFLOW) - abort (); - - if (((*xcoff_complain_overflow[howto.complain_on_overflow]) - (input_bfd, value_to_relocate, relocation, &howto))) - { - const char *name; - char buf[SYMNMLEN + 1]; - char reloc_type_name[10]; - - if (symndx == -1) - { - name = "*ABS*"; - } - else if (h != NULL) - { - name = NULL; - } - else - { - name = _bfd_coff_internal_syment_name (input_bfd, sym, buf); - if (name == NULL) - name = "UNKNOWN"; - } - sprintf (reloc_type_name, "0x%02x", rel->r_type); - - if (! ((*info->callbacks->reloc_overflow) - (info, (h ? &h->root : NULL), name, reloc_type_name, - (bfd_vma) 0, input_bfd, input_section, - rel->r_vaddr - input_section->vma))) - return FALSE; - } - - /* Add RELOCATION to the right bits of VALUE_TO_RELOCATE. */ - value_to_relocate = ((value_to_relocate & ~howto.dst_mask) - | (((value_to_relocate & howto.src_mask) - + relocation) & howto.dst_mask)); - - /* Put the value back in the object file. */ - if (1 == howto.size) - bfd_put_16 (input_bfd, value_to_relocate, location); - else if (2 == howto.size) - bfd_put_32 (input_bfd, value_to_relocate, location); - else - bfd_put_64 (input_bfd, value_to_relocate, location); - - } - 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 (R_POS, /* 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_64", /* name */ - TRUE, /* partial_inplace */ - MINUS_ONE, /* src_mask */ - MINUS_ONE, /* dst_mask */ - FALSE), /* pcrel_offset */ - - /* 64 bit relocation, but store negative value. */ - HOWTO (R_NEG, /* 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 (R_REL, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 32, /* bitsize */ - TRUE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_signed, /* complain_on_overflow */ - 0, /* special_function */ - "R_REL", /* name */ - TRUE, /* partial_inplace */ - 0xffffffff, /* src_mask */ - 0xffffffff, /* dst_mask */ - FALSE), /* pcrel_offset */ - - /* 16 bit TOC relative relocation. */ - HOWTO (R_TOC, /* type */ - 0, /* rightshift */ - 1, /* size (0 = byte, 1 = short, 2 = long) */ - 16, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - 0, /* special_function */ - "R_TOC", /* name */ - TRUE, /* partial_inplace */ - 0xffff, /* src_mask */ - 0xffff, /* dst_mask */ - FALSE), /* pcrel_offset */ - - /* I don't really know what this is. */ - HOWTO (R_RTB, /* type */ - 1, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 32, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - 0, /* special_function */ - "R_RTB", /* name */ - TRUE, /* partial_inplace */ - 0xffffffff, /* src_mask */ - 0xffffffff, /* dst_mask */ - FALSE), /* pcrel_offset */ - - /* External TOC relative symbol. */ - HOWTO (R_GL, /* type */ - 0, /* rightshift */ - 1, /* size (0 = byte, 1 = short, 2 = long) */ - 16, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - 0, /* special_function */ - "R_GL", /* name */ - TRUE, /* partial_inplace */ - 0xffff, /* src_mask */ - 0xffff, /* dst_mask */ - FALSE), /* pcrel_offset */ - - /* Local TOC relative symbol. */ - HOWTO (R_TCL, /* type */ - 0, /* rightshift */ - 1, /* size (0 = byte, 1 = short, 2 = long) */ - 16, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - 0, /* special_function */ - "R_TCL", /* name */ - TRUE, /* partial_inplace */ - 0xffff, /* src_mask */ - 0xffff, /* dst_mask */ - FALSE), /* pcrel_offset */ - - EMPTY_HOWTO (7), - - /* Non modifiable absolute branch. */ - HOWTO (R_BA, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 26, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - 0, /* special_function */ - "R_BA_26", /* name */ - TRUE, /* partial_inplace */ - 0x03fffffc, /* src_mask */ - 0x03fffffc, /* dst_mask */ - FALSE), /* pcrel_offset */ - - EMPTY_HOWTO (9), - - /* Non modifiable relative branch. */ - HOWTO (R_BR, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 26, /* bitsize */ - TRUE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_signed, /* complain_on_overflow */ - 0, /* special_function */ - "R_BR", /* name */ - TRUE, /* partial_inplace */ - 0x03fffffc, /* src_mask */ - 0x03fffffc, /* dst_mask */ - FALSE), /* pcrel_offset */ - - EMPTY_HOWTO (0xb), - - /* Indirect load. */ - HOWTO (R_RL, /* type */ - 0, /* rightshift */ - 1, /* size (0 = byte, 1 = short, 2 = long) */ - 16, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - 0, /* special_function */ - "R_RL", /* name */ - TRUE, /* partial_inplace */ - 0xffff, /* src_mask */ - 0xffff, /* dst_mask */ - FALSE), /* pcrel_offset */ - - /* Load address. */ - HOWTO (R_RLA, /* type */ - 0, /* rightshift */ - 1, /* size (0 = byte, 1 = short, 2 = long) */ - 16, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - 0, /* special_function */ - "R_RLA", /* name */ - TRUE, /* partial_inplace */ - 0xffff, /* src_mask */ - 0xffff, /* dst_mask */ - FALSE), /* pcrel_offset */ - - EMPTY_HOWTO (0xe), - - /* Non-relocating reference. */ - HOWTO (R_REF, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 32, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_dont, /* complain_on_overflow */ - 0, /* special_function */ - "R_REF", /* name */ - FALSE, /* partial_inplace */ - 0, /* src_mask */ - 0, /* dst_mask */ - FALSE), /* pcrel_offset */ - - EMPTY_HOWTO (0x10), - EMPTY_HOWTO (0x11), - - /* TOC relative indirect load. */ - HOWTO (R_TRL, /* type */ - 0, /* rightshift */ - 1, /* size (0 = byte, 1 = short, 2 = long) */ - 16, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - 0, /* special_function */ - "R_TRL", /* name */ - TRUE, /* partial_inplace */ - 0xffff, /* src_mask */ - 0xffff, /* dst_mask */ - FALSE), /* pcrel_offset */ - - /* TOC relative load address. */ - HOWTO (R_TRLA, /* type */ - 0, /* rightshift */ - 1, /* size (0 = byte, 1 = short, 2 = long) */ - 16, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - 0, /* special_function */ - "R_TRLA", /* name */ - TRUE, /* partial_inplace */ - 0xffff, /* src_mask */ - 0xffff, /* dst_mask */ - FALSE), /* pcrel_offset */ - - /* Modifiable relative branch. */ - HOWTO (R_RRTBI, /* type */ - 1, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 32, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - 0, /* special_function */ - "R_RRTBI", /* name */ - TRUE, /* partial_inplace */ - 0xffffffff, /* src_mask */ - 0xffffffff, /* dst_mask */ - FALSE), /* pcrel_offset */ - - /* Modifiable absolute branch. */ - HOWTO (R_RRTBA, /* type */ - 1, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 32, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - 0, /* special_function */ - "R_RRTBA", /* name */ - TRUE, /* partial_inplace */ - 0xffffffff, /* src_mask */ - 0xffffffff, /* dst_mask */ - FALSE), /* pcrel_offset */ - - /* Modifiable call absolute indirect. */ - HOWTO (R_CAI, /* type */ - 0, /* rightshift */ - 1, /* size (0 = byte, 1 = short, 2 = long) */ - 16, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - 0, /* special_function */ - "R_CAI", /* name */ - TRUE, /* partial_inplace */ - 0xffff, /* src_mask */ - 0xffff, /* dst_mask */ - FALSE), /* pcrel_offset */ - - /* Modifiable call relative. */ - HOWTO (R_CREL, /* type */ - 0, /* rightshift */ - 1, /* size (0 = byte, 1 = short, 2 = long) */ - 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 (R_RBA, /* 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 */ - 0x03fffffc, /* src_mask */ - 0x03fffffc, /* dst_mask */ - FALSE), /* pcrel_offset */ - - /* Modifiable branch absolute. */ - HOWTO (R_RBAC, /* 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 */ - 0xffffffff, /* src_mask */ - 0xffffffff, /* dst_mask */ - FALSE), /* pcrel_offset */ - - /* Modifiable branch relative. */ - HOWTO (R_RBR, /* 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_26", /* name */ - TRUE, /* partial_inplace */ - 0x03fffffc, /* src_mask */ - 0x03fffffc, /* dst_mask */ - FALSE), /* pcrel_offset */ - - /* Modifiable branch absolute. */ - HOWTO (R_RBRC, /* 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_RBRC", /* name */ - TRUE, /* partial_inplace */ - 0xffff, /* src_mask */ - 0xffff, /* dst_mask */ - FALSE), /* pcrel_offset */ - - HOWTO (R_POS, /* type */ - 0, /* rightshift */ - 2, /* size (0 = byte, 1 = short, 2 = long) */ - 32, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_bitfield, /* complain_on_overflow */ - 0, /* special_function */ - "R_POS_32", /* name */ - TRUE, /* partial_inplace */ - 0xffffffff, /* src_mask */ - 0xffffffff, /* dst_mask */ - FALSE), /* pcrel_offset */ - - /* 16 bit Non modifiable absolute branch. */ - HOWTO (R_BA, /* 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_BA_16", /* name */ - TRUE, /* partial_inplace */ - 0xfffc, /* src_mask */ - 0xfffc, /* dst_mask */ - FALSE), /* pcrel_offset */ - - /* Modifiable branch relative. */ - HOWTO (R_RBR, /* type */ - 0, /* rightshift */ - 1, /* size (0 = byte, 1 = short, 2 = long) */ - 16, /* bitsize */ - FALSE, /* pc_relative */ - 0, /* bitpos */ - complain_overflow_signed, /* complain_on_overflow */ - 0, /* special_function */ - "R_RBR_16", /* name */ - TRUE, /* partial_inplace */ - 0xffff, /* src_mask */ - 0xffff, /* dst_mask */ - FALSE), /* pcrel_offset */ - - /* Modifiable branch absolute. */ - HOWTO (R_RBA, /* 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_RBA_16", /* name */ - TRUE, /* partial_inplace */ - 0xffff, /* src_mask */ - 0xffff, /* dst_mask */ - FALSE), /* pcrel_offset */ - -}; - -void -xcoff64_rtype2howto (relent, internal) - arelent *relent; - struct internal_reloc *internal; -{ - if (internal->r_type > R_RBRC) - abort (); - - /* Default howto layout works most of the time */ - relent->howto = &xcoff64_howto_table[internal->r_type]; - - /* Special case some 16 bit reloc */ - if (15 == (internal->r_size & 0x3f)) - { - if (R_BA == internal->r_type) - relent->howto = &xcoff64_howto_table[0x1d]; - else if (R_RBR == internal->r_type) - relent->howto = &xcoff64_howto_table[0x1e]; - else if (R_RBA == internal->r_type) - relent->howto = &xcoff64_howto_table[0x1f]; - } - /* Special case 32 bit */ - else if (31 == (internal->r_size & 0x3f)) - { - if (R_POS == internal->r_type) - relent->howto = &xcoff64_howto_table[0x1c]; - } - - /* 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 (); -} - -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_BA16: - return &xcoff64_howto_table[0x1d]; - 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[0x1c]; - case BFD_RELOC_64: - return &xcoff64_howto_table[0]; - default: - return NULL; - } -} - -/* Read in the armap of an XCOFF archive. */ - -static bfd_boolean -xcoff64_slurp_armap (abfd) - bfd *abfd; -{ - file_ptr off; - size_t namlen; - bfd_size_type sz, amt; - bfd_byte *contents, *cend; - bfd_vma c, i; - carsym *arsym; - bfd_byte *p; - file_ptr pos; - - /* 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 = bfd_scan_vma (xcoff_ardata_big (abfd)->symoff64, - (const 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_bread ((PTR) &hdr, (bfd_size_type) SIZEOF_AR_HDR_BIG, abfd) - != SIZEOF_AR_HDR_BIG) - return FALSE; - - /* Skip the name (normally empty). */ - namlen = strtol (hdr.namlen, (char **) NULL, 10); - pos = ((namlen + 1) & ~(size_t) 1) + SXCOFFARFMAG; - if (bfd_seek (abfd, pos, SEEK_CUR) != 0) - return FALSE; - - sz = bfd_scan_vma (hdr.size, (const char **) NULL, 10); - - /* Read in the entire symbol table. */ - contents = (bfd_byte *) bfd_alloc (abfd, sz); - if (contents == NULL) - return FALSE; - if (bfd_bread ((PTR) contents, sz, abfd) != sz) - return FALSE; - - /* The symbol table starts with an eight byte count. */ - c = H_GET_64 (abfd, contents); - - if (c * 8 >= sz) - { - bfd_set_error (bfd_error_bad_value); - return FALSE; - } - amt = c; - amt *= sizeof (carsym); - bfd_ardata (abfd)->symdefs = (carsym *) bfd_alloc (abfd, amt); - 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 = 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. */ - -static const bfd_target * -xcoff64_archive_p (abfd) - bfd *abfd; -{ - struct artdata *tdata_hold; - char magic[SXCOFFARMAG]; - /* This is the new format. */ - struct xcoff_ar_file_hdr_big hdr; - bfd_size_type amt = SXCOFFARMAG; - - if (bfd_bread ((PTR) magic, amt, abfd) != amt) - { - 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; - } - - /* Copy over the magic string. */ - memcpy (hdr.magic, magic, SXCOFFARMAG); - - /* Now read the rest of the file header. */ - amt = SIZEOF_AR_FILE_HDR_BIG - SXCOFFARMAG; - if (bfd_bread ((PTR) &hdr.memoff, amt, abfd) != amt) - { - if (bfd_get_error () != bfd_error_system_call) - bfd_set_error (bfd_error_wrong_format); - return NULL; - } - - tdata_hold = bfd_ardata (abfd); - - amt = sizeof (struct artdata); - bfd_ardata (abfd) = (struct artdata *) bfd_zalloc (abfd, amt); - if (bfd_ardata (abfd) == (struct artdata *) NULL) - goto error_ret_restore; - - /* Already cleared by bfd_zalloc above. - bfd_ardata (abfd)->cache = NULL; - bfd_ardata (abfd)->archive_head = NULL; - bfd_ardata (abfd)->symdefs = NULL; - bfd_ardata (abfd)->extended_names = NULL; - bfd_ardata (abfd)->extended_names_size = 0; */ - bfd_ardata (abfd)->first_file_filepos = bfd_scan_vma (hdr.firstmemoff, - (const char **) NULL, - 10); - - amt = SIZEOF_AR_FILE_HDR_BIG; - bfd_ardata (abfd)->tdata = bfd_zalloc (abfd, amt); - if (bfd_ardata (abfd)->tdata == NULL) - goto error_ret; - - memcpy (bfd_ardata (abfd)->tdata, &hdr, SIZEOF_AR_FILE_HDR_BIG); - - if (! xcoff64_slurp_armap (abfd)) - { - error_ret: - bfd_release (abfd, bfd_ardata (abfd)); - error_ret_restore: - bfd_ardata (abfd) = tdata_hold; - return NULL; - } - - return abfd->xvec; -} - - -/* Open the next element in an XCOFF archive. */ - -static bfd * -xcoff64_openr_next_archived_file (archive, last_file) - bfd *archive; - bfd *last_file; -{ - bfd_vma 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 - { - filestart = bfd_scan_vma (arch_xhdr_big (last_file)->nextoff, - (const char **) NULL, 10); - } - - if (filestart == 0 - || filestart == bfd_scan_vma (xcoff_ardata_big (archive)->memoff, - (const char **) NULL, 10) - || filestart == bfd_scan_vma (xcoff_ardata_big (archive)->symoff, - (const char **) NULL, 10)) - { - bfd_set_error (bfd_error_no_more_archived_files); - return NULL; - } - - return _bfd_get_elt_at_filepos (archive, (file_ptr) filestart); -} - -/* We can't use the usual coff_sizeof_headers routine, because AIX - always uses an a.out header. */ - -static int -xcoff64_sizeof_headers (abfd, reloc) - bfd *abfd; - bfd_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 - 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) - (_("%B: symbol `%s' has unrecognized smclas %d"), - abfd, symbol_name, aux->x_csect.x_smclas); - bfd_set_error (bfd_error_bad_value); - } - - return return_value; -} - -static bfd_boolean -xcoff64_is_lineno_count_overflow (abfd, value) - bfd *abfd ATTRIBUTE_UNUSED; - bfd_vma value ATTRIBUTE_UNUSED; -{ - return FALSE; -} - -static bfd_boolean -xcoff64_is_reloc_count_overflow (abfd, value) - bfd *abfd ATTRIBUTE_UNUSED; - bfd_vma value ATTRIBUTE_UNUSED; -{ - return FALSE; -} - -static bfd_vma -xcoff64_loader_symbol_offset (abfd, ldhdr) - bfd *abfd ATTRIBUTE_UNUSED; - struct internal_ldhdr *ldhdr; -{ - return (ldhdr->l_symoff); -} - -static bfd_vma -xcoff64_loader_reloc_offset (abfd, ldhdr) - bfd *abfd ATTRIBUTE_UNUSED; - struct internal_ldhdr *ldhdr; -{ - return (ldhdr->l_rldoff); -} - -static bfd_boolean -xcoff64_bad_format_hook (abfd, filehdr) - bfd * abfd; - PTR filehdr; -{ - struct internal_filehdr *internal_f = (struct internal_filehdr *) filehdr; - - /* Check flavor first. */ - if (bfd_get_flavour (abfd) != bfd_target_xcoff_flavour) - return FALSE; - - if (bfd_xcoff_magic_number (abfd) != internal_f->f_magic) - return FALSE; - - return TRUE; -} - -static bfd_boolean -xcoff64_generate_rtinit (abfd, init, fini, rtld) - bfd *abfd; - const char *init; - const char *fini; - bfd_boolean rtld; -{ - bfd_byte filehdr_ext[FILHSZ]; - bfd_byte scnhdr_ext[SCNHSZ * 3]; - bfd_byte syment_ext[SYMESZ * 10]; - bfd_byte reloc_ext[RELSZ * 3]; - bfd_byte *data_buffer; - bfd_size_type data_buffer_size; - bfd_byte *string_table, *st_tmp; - bfd_size_type string_table_size; - bfd_vma val; - size_t initsz, finisz; - struct internal_filehdr filehdr; - struct internal_scnhdr text_scnhdr; - struct internal_scnhdr data_scnhdr; - struct internal_scnhdr bss_scnhdr; - struct internal_syment syment; - union internal_auxent auxent; - struct internal_reloc reloc; - - char *text_name = ".text"; - char *data_name = ".data"; - char *bss_name = ".bss"; - char *rtinit_name = "__rtinit"; - char *rtld_name = "__rtld"; - - if (! bfd_xcoff_rtinit_size (abfd)) - return FALSE; - - initsz = (init == NULL ? 0 : 1 + strlen (init)); - finisz = (fini == NULL ? 0 : 1 + strlen (fini)); - - /* File header. */ - memset (filehdr_ext, 0, FILHSZ); - memset (&filehdr, 0, sizeof (struct internal_filehdr)); - filehdr.f_magic = bfd_xcoff_magic_number (abfd); - filehdr.f_nscns = 3; - filehdr.f_timdat = 0; - filehdr.f_nsyms = 0; /* at least 6, no more than 8 */ - filehdr.f_symptr = 0; /* set below */ - filehdr.f_opthdr = 0; - filehdr.f_flags = 0; - - /* Section headers. */ - memset (scnhdr_ext, 0, 3 * SCNHSZ); - - /* Text. */ - memset (&text_scnhdr, 0, sizeof (struct internal_scnhdr)); - memcpy (text_scnhdr.s_name, text_name, strlen (text_name)); - text_scnhdr.s_paddr = 0; - text_scnhdr.s_vaddr = 0; - text_scnhdr.s_size = 0; - text_scnhdr.s_scnptr = 0; - text_scnhdr.s_relptr = 0; - text_scnhdr.s_lnnoptr = 0; - text_scnhdr.s_nreloc = 0; - text_scnhdr.s_nlnno = 0; - text_scnhdr.s_flags = STYP_TEXT; - - /* Data. */ - memset (&data_scnhdr, 0, sizeof (struct internal_scnhdr)); - memcpy (data_scnhdr.s_name, data_name, strlen (data_name)); - data_scnhdr.s_paddr = 0; - data_scnhdr.s_vaddr = 0; - data_scnhdr.s_size = 0; /* set below */ - data_scnhdr.s_scnptr = FILHSZ + 3 * SCNHSZ; - data_scnhdr.s_relptr = 0; /* set below */ - data_scnhdr.s_lnnoptr = 0; - data_scnhdr.s_nreloc = 0; /* either 1 or 2 */ - data_scnhdr.s_nlnno = 0; - data_scnhdr.s_flags = STYP_DATA; - - /* Bss. */ - memset (&bss_scnhdr, 0, sizeof (struct internal_scnhdr)); - memcpy (bss_scnhdr.s_name, bss_name, strlen (bss_name)); - bss_scnhdr.s_paddr = 0; /* set below */ - bss_scnhdr.s_vaddr = 0; /* set below */ - bss_scnhdr.s_size = 0; /* set below */ - bss_scnhdr.s_scnptr = 0; - bss_scnhdr.s_relptr = 0; - bss_scnhdr.s_lnnoptr = 0; - bss_scnhdr.s_nreloc = 0; - bss_scnhdr.s_nlnno = 0; - bss_scnhdr.s_flags = STYP_BSS; - - /* .data - 0x0000 0x00000000 : rtl - 0x0004 0x00000000 : - 0x0008 0x00000018 : offset to init, or 0 - 0x000C 0x00000038 : offset to fini, or 0 - 0x0010 0x00000010 : size of descriptor - 0x0014 0x00000000 : pad - 0x0018 0x00000000 : init, needs a reloc - 0x001C 0x00000000 : - 0x0020 0x00000058 : offset to init name - 0x0024 0x00000000 : flags, padded to a word - 0x0028 0x00000000 : empty init - 0x002C 0x00000000 : - 0x0030 0x00000000 : - 0x0034 0x00000000 : - 0x0038 0x00000000 : fini, needs a reloc - 0x003C 0x00000000 : - 0x0040 0x00000??? : offset to fini name - 0x0044 0x00000000 : flags, padded to a word - 0x0048 0x00000000 : empty fini - 0x004C 0x00000000 : - 0x0050 0x00000000 : - 0x0054 0x00000000 : - 0x0058 init name - 0x0058 + initsz fini name */ - - data_buffer_size = 0x0058 + initsz + finisz; - data_buffer_size = (data_buffer_size + 7) &~ (bfd_size_type) 7; - data_buffer = NULL; - data_buffer = (bfd_byte *) bfd_zmalloc (data_buffer_size); - if (data_buffer == NULL) - return FALSE; - - if (initsz) - { - val = 0x18; - bfd_put_32 (abfd, val, &data_buffer[0x08]); - val = 0x58; - bfd_put_32 (abfd, val, &data_buffer[0x20]); - memcpy (&data_buffer[val], init, initsz); - } - - if (finisz) - { - val = 0x38; - bfd_put_32 (abfd, val, &data_buffer[0x0C]); - val = 0x58 + initsz; - bfd_put_32 (abfd, val, &data_buffer[0x40]); - memcpy (&data_buffer[val], fini, finisz); - } - - val = 0x10; - bfd_put_32 (abfd, val, &data_buffer[0x10]); - data_scnhdr.s_size = data_buffer_size; - bss_scnhdr.s_paddr = bss_scnhdr.s_vaddr = data_scnhdr.s_size; - - /* String table. */ - string_table_size = 4; - string_table_size += strlen (data_name) + 1; - string_table_size += strlen (rtinit_name) + 1; - string_table_size += initsz; - string_table_size += finisz; - if (rtld) - string_table_size += strlen (rtld_name) + 1; - - string_table = (bfd_byte *) bfd_zmalloc (string_table_size); - if (string_table == NULL) - return FALSE; - - val = string_table_size; - bfd_put_32 (abfd, val, &string_table[0]); - st_tmp = string_table + 4; - - /* symbols - 0. .data csect - 2. __rtinit - 4. init function - 6. fini function - 8. __rtld */ - memset (syment_ext, 0, 10 * SYMESZ); - memset (reloc_ext, 0, 3 * RELSZ); - - /* .data csect */ - memset (&syment, 0, sizeof (struct internal_syment)); - memset (&auxent, 0, sizeof (union internal_auxent)); - - syment._n._n_n._n_offset = st_tmp - string_table; - memcpy (st_tmp, data_name, strlen (data_name)); - st_tmp += strlen (data_name) + 1; - - syment.n_scnum = 2; - syment.n_sclass = C_HIDEXT; - syment.n_numaux = 1; - auxent.x_csect.x_scnlen.l = data_buffer_size; - auxent.x_csect.x_smtyp = 3 << 3 | XTY_SD; - auxent.x_csect.x_smclas = XMC_RW; - bfd_coff_swap_sym_out (abfd, &syment, - &syment_ext[filehdr.f_nsyms * SYMESZ]); - bfd_coff_swap_aux_out (abfd, &auxent, syment.n_type, syment.n_sclass, 0, - syment.n_numaux, - &syment_ext[(filehdr.f_nsyms + 1) * SYMESZ]); - filehdr.f_nsyms += 2; - - /* __rtinit */ - memset (&syment, 0, sizeof (struct internal_syment)); - memset (&auxent, 0, sizeof (union internal_auxent)); - syment._n._n_n._n_offset = st_tmp - string_table; - memcpy (st_tmp, rtinit_name, strlen (rtinit_name)); - st_tmp += strlen (rtinit_name) + 1; - - syment.n_scnum = 2; - syment.n_sclass = C_EXT; - syment.n_numaux = 1; - auxent.x_csect.x_smtyp = XTY_LD; - auxent.x_csect.x_smclas = XMC_RW; - bfd_coff_swap_sym_out (abfd, &syment, - &syment_ext[filehdr.f_nsyms * SYMESZ]); - bfd_coff_swap_aux_out (abfd, &auxent, syment.n_type, syment.n_sclass, 0, - syment.n_numaux, - &syment_ext[(filehdr.f_nsyms + 1) * SYMESZ]); - filehdr.f_nsyms += 2; - - /* Init. */ - if (initsz) - { - memset (&syment, 0, sizeof (struct internal_syment)); - memset (&auxent, 0, sizeof (union internal_auxent)); - - syment._n._n_n._n_offset = st_tmp - string_table; - memcpy (st_tmp, init, initsz); - st_tmp += initsz; - - syment.n_sclass = C_EXT; - syment.n_numaux = 1; - bfd_coff_swap_sym_out (abfd, &syment, - &syment_ext[filehdr.f_nsyms * SYMESZ]); - bfd_coff_swap_aux_out (abfd, &auxent, syment.n_type, syment.n_sclass, 0, - syment.n_numaux, - &syment_ext[(filehdr.f_nsyms + 1) * SYMESZ]); - /* Reloc. */ - memset (&reloc, 0, sizeof (struct internal_reloc)); - reloc.r_vaddr = 0x0018; - reloc.r_symndx = filehdr.f_nsyms; - reloc.r_type = R_POS; - reloc.r_size = 63; - bfd_coff_swap_reloc_out (abfd, &reloc, &reloc_ext[0]); - - filehdr.f_nsyms += 2; - data_scnhdr.s_nreloc += 1; - } - - /* Finit. */ - if (finisz) - { - memset (&syment, 0, sizeof (struct internal_syment)); - memset (&auxent, 0, sizeof (union internal_auxent)); - - syment._n._n_n._n_offset = st_tmp - string_table; - memcpy (st_tmp, fini, finisz); - st_tmp += finisz; - - syment.n_sclass = C_EXT; - syment.n_numaux = 1; - bfd_coff_swap_sym_out (abfd, &syment, - &syment_ext[filehdr.f_nsyms * SYMESZ]); - bfd_coff_swap_aux_out (abfd, &auxent, syment.n_type, syment.n_sclass, 0, - syment.n_numaux, - &syment_ext[(filehdr.f_nsyms + 1) * SYMESZ]); - - /* Reloc. */ - memset (&reloc, 0, sizeof (struct internal_reloc)); - reloc.r_vaddr = 0x0038; - reloc.r_symndx = filehdr.f_nsyms; - reloc.r_type = R_POS; - reloc.r_size = 63; - bfd_coff_swap_reloc_out (abfd, &reloc, - &reloc_ext[data_scnhdr.s_nreloc * RELSZ]); - - filehdr.f_nsyms += 2; - data_scnhdr.s_nreloc += 1; - } - - if (rtld) - { - memset (&syment, 0, sizeof (struct internal_syment)); - memset (&auxent, 0, sizeof (union internal_auxent)); - - syment._n._n_n._n_offset = st_tmp - string_table; - memcpy (st_tmp, rtld_name, strlen (rtld_name)); - st_tmp += strlen (rtld_name) + 1; - - syment.n_sclass = C_EXT; - syment.n_numaux = 1; - bfd_coff_swap_sym_out (abfd, &syment, - &syment_ext[filehdr.f_nsyms * SYMESZ]); - bfd_coff_swap_aux_out (abfd, &auxent, syment.n_type, syment.n_sclass, 0, - syment.n_numaux, - &syment_ext[(filehdr.f_nsyms + 1) * SYMESZ]); - - /* Reloc. */ - memset (&reloc, 0, sizeof (struct internal_reloc)); - reloc.r_vaddr = 0x0000; - reloc.r_symndx = filehdr.f_nsyms; - reloc.r_type = R_POS; - reloc.r_size = 63; - bfd_coff_swap_reloc_out (abfd, &reloc, - &reloc_ext[data_scnhdr.s_nreloc * RELSZ]); - - filehdr.f_nsyms += 2; - data_scnhdr.s_nreloc += 1; - - bss_scnhdr.s_size = 0; - } - - data_scnhdr.s_relptr = data_scnhdr.s_scnptr + data_buffer_size; - filehdr.f_symptr = data_scnhdr.s_relptr + data_scnhdr.s_nreloc * RELSZ; - - bfd_coff_swap_filehdr_out (abfd, &filehdr, filehdr_ext); - bfd_bwrite (filehdr_ext, FILHSZ, abfd); - bfd_coff_swap_scnhdr_out (abfd, &text_scnhdr, &scnhdr_ext[SCNHSZ * 0]); - bfd_coff_swap_scnhdr_out (abfd, &data_scnhdr, &scnhdr_ext[SCNHSZ * 1]); - bfd_coff_swap_scnhdr_out (abfd, &bss_scnhdr, &scnhdr_ext[SCNHSZ * 2]); - bfd_bwrite (scnhdr_ext, 3 * SCNHSZ, abfd); - bfd_bwrite (data_buffer, data_buffer_size, abfd); - bfd_bwrite (reloc_ext, data_scnhdr.s_nreloc * RELSZ, abfd); - bfd_bwrite (syment_ext, filehdr.f_nsyms * SYMESZ, abfd); - bfd_bwrite (string_table, string_table_size, abfd); - - free (data_buffer); - data_buffer = NULL; - - return TRUE; -} - -/* 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_xcoff64_swap_sym_in, - _bfd_xcoff64_swap_lineno_in, - _bfd_xcoff64_swap_aux_out, - _bfd_xcoff64_swap_sym_out, - _bfd_xcoff64_swap_lineno_out, - xcoff64_swap_reloc_out, - coff_swap_filehdr_out, - coff_swap_aouthdr_out, - coff_swap_scnhdr_out, - FILHSZ, - AOUTSZ, - SCNHSZ, - SYMESZ, - AUXESZ, - RELSZ, - LINESZ, - FILNMLEN, - 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, - coff_swap_aouthdr_in, - coff_swap_scnhdr_in, - xcoff64_swap_reloc_in, - xcoff64_bad_format_hook, - coff_set_arch_mach_hook, - coff_mkobject_hook, - styp_to_sec_flags, - coff_set_alignment_hook, - coff_slurp_symbol_table, - symname_in_debug_hook, - coff_pointerize_aux_hook, - coff_print_aux, - dummy_reloc16_extra_cases, - dummy_reloc16_estimate, - NULL, /* bfd_coff_sym_is_global */ - coff_compute_section_file_positions, - NULL, /* _bfd_coff_start_final_link */ - xcoff64_ppc_relocate_section, - coff_rtype_to_howto, - NULL, /* _bfd_coff_adjust_symndx */ - _bfd_generic_link_add_one_symbol, - coff_link_output_has_begun, - coff_final_link_postscript - }, - - 0x01EF, /* magic number */ - bfd_arch_powerpc, - bfd_mach_ppc_620, - - /* Function pointers to xcoff specific swap routines. */ - xcoff64_swap_ldhdr_in, - xcoff64_swap_ldhdr_out, - xcoff64_swap_ldsym_in, - xcoff64_swap_ldsym_out, - xcoff64_swap_ldrel_in, - xcoff64_swap_ldrel_out, - - /* Sizes. */ - LDHDRSZ, - LDSYMSZ, - LDRELSZ, - 24, /* _xcoff_function_descriptor_size */ - 0, /* _xcoff_small_aout_header_size */ - - /* Versions. */ - 2, /* _xcoff_ldhdr_version */ - - _bfd_xcoff64_put_symbol_name, - _bfd_xcoff64_put_ldsymbol_name, - &xcoff64_dynamic_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 */ - - /* rtinit. */ - 88, /* _xcoff_rtinit_size */ - xcoff64_generate_rtinit, - }; - -/* 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 | HAS_LINENO | HAS_DEBUG | DYNAMIC - | HAS_SYMS | HAS_LOCALS | WP_TEXT), - - SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_CODE | SEC_DATA, - 0, /* leading char */ - '/', /* ar_pad_char */ - 15, /* ar_max_namelen */ - - /* 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_getb64, - bfd_getb_signed_64, - bfd_putb64, - bfd_getb32, - bfd_getb_signed_32, - bfd_putb32, - bfd_getb16, - bfd_getb_signed_16, - bfd_putb16, - - { /* bfd_check_format */ - _bfd_dummy_target, - coff_object_p, - xcoff64_archive_p, - CORE_FILE_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, - bfd_true, - coff_new_section_hook, - _bfd_generic_get_section_contents, - _bfd_generic_get_section_contents_in_window, - - /* Copy */ - _bfd_xcoff_copy_private_bfd_data, - ((bfd_boolean (*) (bfd *, bfd *)) bfd_true), - _bfd_generic_init_private_section_data, - ((bfd_boolean (*) (bfd *, asection *, bfd *, asection *)) bfd_true), - ((bfd_boolean (*) (bfd *, asymbol *, bfd *, asymbol *)) bfd_true), - ((bfd_boolean (*) (bfd *, bfd *)) bfd_true), - ((bfd_boolean (*) (bfd *, flagword)) bfd_true), - ((bfd_boolean (*) (bfd *, void * )) bfd_true), - - /* Core */ - coff_core_file_failing_command, - coff_core_file_failing_signal, - coff_core_file_matches_executable_p, - - /* Archive */ - xcoff64_slurp_armap, - bfd_false, - ((bfd_boolean (*) (bfd *, char **, bfd_size_type *, const char **)) bfd_false), - bfd_dont_truncate_arname, - _bfd_xcoff_write_armap, - _bfd_xcoff_read_ar_hdr, - xcoff64_openr_next_archived_file, - _bfd_generic_get_elt_at_index, - _bfd_xcoff_stat_arch_elt, - bfd_true, - - /* Symbols */ - coff_get_symtab_upper_bound, - coff_canonicalize_symtab, - coff_make_empty_symbol, - coff_print_symbol, - coff_get_symbol_info, - _bfd_xcoff_is_local_label_name, - coff_bfd_is_target_special_symbol, - coff_get_lineno, - coff_find_nearest_line, - _bfd_generic_find_line, - coff_find_inliner_info, - coff_bfd_make_debug_symbol, - _bfd_generic_read_minisymbols, - _bfd_generic_minisymbol_to_symbol, - - /* Reloc */ - coff_get_reloc_upper_bound, - coff_canonicalize_reloc, - xcoff64_reloc_type_lookup, - - /* Write */ - coff_set_arch_mach, - coff_set_section_contents, - - /* Link */ - xcoff64_sizeof_headers, - bfd_generic_get_relocated_section_contents, - bfd_generic_relax_section, - _bfd_xcoff_bfd_link_hash_table_create, - _bfd_generic_link_hash_table_free, - _bfd_xcoff_bfd_link_add_symbols, - _bfd_generic_link_just_syms, - _bfd_xcoff_bfd_final_link, - _bfd_generic_link_split_section, - bfd_generic_gc_sections, - bfd_generic_merge_sections, - bfd_generic_is_group_section, - bfd_generic_discard_group, - _bfd_generic_section_already_linked, - - /* Dynamic */ - _bfd_xcoff_get_dynamic_symtab_upper_bound, - _bfd_xcoff_canonicalize_dynamic_symtab, - _bfd_nodynamic_get_synthetic_symtab, - _bfd_xcoff_get_dynamic_reloc_upper_bound, - _bfd_xcoff_canonicalize_dynamic_reloc, - - /* Opposite endian version, none exists */ - NULL, - - (void *) &bfd_xcoff_backend_data, - }; - -extern const bfd_target *xcoff64_core_p - PARAMS ((bfd *)); -extern bfd_boolean xcoff64_core_file_matches_executable_p - PARAMS ((bfd *, bfd *)); -extern char *xcoff64_core_file_failing_command - PARAMS ((bfd *)); -extern int xcoff64_core_file_failing_signal - PARAMS ((bfd *)); - -/* AIX 5 */ -static const struct xcoff_backend_data_rec bfd_xcoff_aix5_backend_data = - { - { /* COFF backend, defined in libcoff.h. */ - _bfd_xcoff64_swap_aux_in, - _bfd_xcoff64_swap_sym_in, - _bfd_xcoff64_swap_lineno_in, - _bfd_xcoff64_swap_aux_out, - _bfd_xcoff64_swap_sym_out, - _bfd_xcoff64_swap_lineno_out, - xcoff64_swap_reloc_out, - coff_swap_filehdr_out, - coff_swap_aouthdr_out, - coff_swap_scnhdr_out, - FILHSZ, - AOUTSZ, - SCNHSZ, - SYMESZ, - AUXESZ, - RELSZ, - LINESZ, - FILNMLEN, - 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, - coff_swap_aouthdr_in, - coff_swap_scnhdr_in, - xcoff64_swap_reloc_in, - xcoff64_bad_format_hook, - coff_set_arch_mach_hook, - coff_mkobject_hook, - styp_to_sec_flags, - coff_set_alignment_hook, - coff_slurp_symbol_table, - symname_in_debug_hook, - coff_pointerize_aux_hook, - coff_print_aux, - dummy_reloc16_extra_cases, - dummy_reloc16_estimate, - NULL, /* bfd_coff_sym_is_global */ - coff_compute_section_file_positions, - NULL, /* _bfd_coff_start_final_link */ - xcoff64_ppc_relocate_section, - coff_rtype_to_howto, - NULL, /* _bfd_coff_adjust_symndx */ - _bfd_generic_link_add_one_symbol, - coff_link_output_has_begun, - coff_final_link_postscript - }, - - U64_TOCMAGIC, /* magic number */ - bfd_arch_powerpc, - bfd_mach_ppc_620, - - /* Function pointers to xcoff specific swap routines. */ - xcoff64_swap_ldhdr_in, - xcoff64_swap_ldhdr_out, - xcoff64_swap_ldsym_in, - xcoff64_swap_ldsym_out, - xcoff64_swap_ldrel_in, - xcoff64_swap_ldrel_out, - - /* Sizes. */ - LDHDRSZ, - LDSYMSZ, - LDRELSZ, - 24, /* _xcoff_function_descriptor_size */ - 0, /* _xcoff_small_aout_header_size */ - /* Versions. */ - 2, /* _xcoff_ldhdr_version */ - - _bfd_xcoff64_put_symbol_name, - _bfd_xcoff64_put_ldsymbol_name, - &xcoff64_dynamic_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 */ - - /* rtinit. */ - 88, /* _xcoff_rtinit_size */ - xcoff64_generate_rtinit, - }; - -/* The transfer vector that leads the outside world to all of the above. */ -const bfd_target aix5coff64_vec = - { - "aix5coff64-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 | HAS_LINENO | HAS_DEBUG | DYNAMIC - | HAS_SYMS | HAS_LOCALS | WP_TEXT), - - SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_CODE | SEC_DATA, - 0, /* leading char */ - '/', /* ar_pad_char */ - 15, /* ar_max_namelen */ - - /* 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_getb64, - bfd_getb_signed_64, - bfd_putb64, - bfd_getb32, - bfd_getb_signed_32, - bfd_putb32, - bfd_getb16, - bfd_getb_signed_16, - bfd_putb16, - - { /* bfd_check_format */ - _bfd_dummy_target, - coff_object_p, - xcoff64_archive_p, - xcoff64_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, - bfd_true, - coff_new_section_hook, - _bfd_generic_get_section_contents, - _bfd_generic_get_section_contents_in_window, - - /* Copy */ - _bfd_xcoff_copy_private_bfd_data, - ((bfd_boolean (*) (bfd *, bfd *)) bfd_true), - _bfd_generic_init_private_section_data, - ((bfd_boolean (*) (bfd *, asection *, bfd *, asection *)) bfd_true), - ((bfd_boolean (*) (bfd *, asymbol *, bfd *, asymbol *)) bfd_true), - ((bfd_boolean (*) (bfd *, bfd *)) bfd_true), - ((bfd_boolean (*) (bfd *, flagword)) bfd_true), - ((bfd_boolean (*) (bfd *, void * )) bfd_true), - - /* Core */ - xcoff64_core_file_failing_command, - xcoff64_core_file_failing_signal, - xcoff64_core_file_matches_executable_p, - - /* Archive */ - xcoff64_slurp_armap, - bfd_false, - ((bfd_boolean (*) (bfd *, char **, bfd_size_type *, const char **)) bfd_false), - bfd_dont_truncate_arname, - _bfd_xcoff_write_armap, - _bfd_xcoff_read_ar_hdr, - xcoff64_openr_next_archived_file, - _bfd_generic_get_elt_at_index, - _bfd_xcoff_stat_arch_elt, - bfd_true, - - /* Symbols */ - coff_get_symtab_upper_bound, - coff_canonicalize_symtab, - coff_make_empty_symbol, - coff_print_symbol, - coff_get_symbol_info, - _bfd_xcoff_is_local_label_name, - coff_bfd_is_target_special_symbol, - coff_get_lineno, - coff_find_nearest_line, - _bfd_generic_find_line, - coff_find_inliner_info, - coff_bfd_make_debug_symbol, - _bfd_generic_read_minisymbols, - _bfd_generic_minisymbol_to_symbol, - - /* Reloc */ - coff_get_reloc_upper_bound, - coff_canonicalize_reloc, - xcoff64_reloc_type_lookup, - - /* Write */ - coff_set_arch_mach, - coff_set_section_contents, - - /* Link */ - xcoff64_sizeof_headers, - bfd_generic_get_relocated_section_contents, - bfd_generic_relax_section, - _bfd_xcoff_bfd_link_hash_table_create, - _bfd_generic_link_hash_table_free, - _bfd_xcoff_bfd_link_add_symbols, - _bfd_generic_link_just_syms, - _bfd_xcoff_bfd_final_link, - _bfd_generic_link_split_section, - bfd_generic_gc_sections, - bfd_generic_merge_sections, - bfd_generic_is_group_section, - bfd_generic_discard_group, - _bfd_generic_section_already_linked, - - /* Dynamic */ - _bfd_xcoff_get_dynamic_symtab_upper_bound, - _bfd_xcoff_canonicalize_dynamic_symtab, - _bfd_nodynamic_get_synthetic_symtab, - _bfd_xcoff_get_dynamic_reloc_upper_bound, - _bfd_xcoff_canonicalize_dynamic_reloc, - - /* Opposite endian version, none exists. */ - NULL, - - (void *) & bfd_xcoff_aix5_backend_data, - }; 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