diff options
Diffstat (limited to 'binutils-2.25/bfd/coff64-rs6000.c')
| -rw-r--r-- | binutils-2.25/bfd/coff64-rs6000.c | 3024 |
1 files changed, 3024 insertions, 0 deletions
diff --git a/binutils-2.25/bfd/coff64-rs6000.c b/binutils-2.25/bfd/coff64-rs6000.c new file mode 100644 index 00000000..6c92e26a --- /dev/null +++ b/binutils-2.25/bfd/coff64-rs6000.c @@ -0,0 +1,3024 @@ +/* BFD back-end for IBM RS/6000 "XCOFF64" files. + Copyright 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, + 2010, 2011 + 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 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, + MA 02110-1301, USA. */ + +#include "sysdep.h" +#include "bfd.h" +#include "bfdlink.h" +#include "libbfd.h" +#include "coff/internal.h" +#include "coff/xcoff.h" +#include "coff/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 + (bfd *, void *, void *); +static unsigned int _bfd_xcoff64_swap_lineno_out + (bfd *, void *, void *); +static bfd_boolean _bfd_xcoff64_put_symbol_name + (bfd *, struct bfd_strtab_hash *, struct internal_syment *, const char *); +static bfd_boolean _bfd_xcoff64_put_ldsymbol_name + (bfd *, struct xcoff_loader_info *, struct internal_ldsym *, const char *); +static void _bfd_xcoff64_swap_sym_in + (bfd *, void *, void *); +static unsigned int _bfd_xcoff64_swap_sym_out + (bfd *, void *, void *); +static void _bfd_xcoff64_swap_aux_in + (bfd *, void *, int, int, int, int, void *); +static unsigned int _bfd_xcoff64_swap_aux_out + (bfd *, void *, int, int, int, int, void *); +static void xcoff64_swap_reloc_in + (bfd *, void *, void *); +static unsigned int xcoff64_swap_reloc_out + (bfd *, void *, void *); +extern bfd_boolean _bfd_xcoff_mkobject + (bfd *); +extern bfd_boolean _bfd_xcoff_copy_private_bfd_data + (bfd *, bfd *); +extern bfd_boolean _bfd_xcoff_is_local_label_name + (bfd *, const char *); +extern void xcoff64_rtype2howto + (arelent *, struct internal_reloc *); +extern reloc_howto_type * xcoff64_reloc_type_lookup + (bfd *, bfd_reloc_code_real_type); +extern bfd_boolean _bfd_xcoff_slurp_armap + (bfd *); +extern void *_bfd_xcoff_read_ar_hdr + (bfd *); +extern bfd *_bfd_xcoff_openr_next_archived_file + (bfd *, bfd *); +extern int _bfd_xcoff_stat_arch_elt + (bfd *, struct stat *); +extern bfd_boolean _bfd_xcoff_write_armap + (bfd *, unsigned int, struct orl *, unsigned int, int); +extern bfd_boolean _bfd_xcoff_write_archive_contents + (bfd *); +extern int _bfd_xcoff_sizeof_headers + (bfd *, struct bfd_link_info *); +extern void _bfd_xcoff_swap_sym_in + (bfd *, void *, void *); +extern unsigned int _bfd_xcoff_swap_sym_out + (bfd *, void *, void *); +extern void _bfd_xcoff_swap_aux_in + (bfd *, void *, int, int, int, int, void *); +extern unsigned int _bfd_xcoff_swap_aux_out + (bfd *, void *, int, int, int, int, void *); +static void xcoff64_swap_ldhdr_in + (bfd *, const void *, struct internal_ldhdr *); +static void xcoff64_swap_ldhdr_out + (bfd *, const struct internal_ldhdr *, void *d); +static void xcoff64_swap_ldsym_in + (bfd *, const void *, struct internal_ldsym *); +static void xcoff64_swap_ldsym_out + (bfd *, const struct internal_ldsym *, void *d); +static void xcoff64_swap_ldrel_in + (bfd *, const void *, struct internal_ldrel *); +static void xcoff64_swap_ldrel_out + (bfd *, const struct internal_ldrel *, void *d); +static bfd_boolean xcoff64_write_object_contents + (bfd *); +static bfd_boolean xcoff64_ppc_relocate_section + (bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, + struct internal_reloc *, struct internal_syment *, + asection **); +static bfd_boolean xcoff64_slurp_armap + (bfd *); +static const bfd_target *xcoff64_archive_p + (bfd *); +static bfd *xcoff64_openr_next_archived_file + (bfd *, bfd *); +static int xcoff64_sizeof_headers + (bfd *, struct bfd_link_info *); +static asection *xcoff64_create_csect_from_smclas + (bfd *, union internal_auxent *, const char *); +static bfd_boolean xcoff64_is_lineno_count_overflow + (bfd *, bfd_vma); +static bfd_boolean xcoff64_is_reloc_count_overflow + (bfd *, bfd_vma); +static bfd_vma xcoff64_loader_symbol_offset + (bfd *, struct internal_ldhdr *); +static bfd_vma xcoff64_loader_reloc_offset + (bfd *, struct internal_ldhdr *); +static bfd_boolean xcoff64_generate_rtinit + (bfd *, const char *, const char *, bfd_boolean); +static bfd_boolean xcoff64_bad_format_hook + (bfd *, void *); + +/* Relocation functions */ +static bfd_boolean xcoff64_reloc_type_br + (XCOFF_RELOC_FUNCTION_ARGS); + +bfd_boolean (*xcoff64_calculate_relocation[XCOFF_MAX_CALCULATE_RELOCATION]) + (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 +#define coff_bfd_reloc_name_lookup xcoff64_reloc_name_lookup +#ifdef AIX_CORE +extern const bfd_target * rs6000coff_core_p + (bfd *abfd); +extern bfd_boolean rs6000coff_core_file_matches_executable_p + (bfd *cbfd, bfd *ebfd); +extern char *rs6000coff_core_file_failing_command + (bfd *abfd); +extern int rs6000coff_core_file_failing_signal + (bfd *abfd); +#define CORE_FILE_P rs6000coff_core_p +#define coff_core_file_failing_command \ + rs6000coff_core_file_failing_command +#define coff_core_file_failing_signal \ + rs6000coff_core_file_failing_signal +#define coff_core_file_matches_executable_p \ + rs6000coff_core_file_matches_executable_p +#define coff_core_file_pid \ + _bfd_nocore_core_file_pid +#else +#define CORE_FILE_P _bfd_dummy_target +#define coff_core_file_failing_command \ + _bfd_nocore_core_file_failing_command +#define coff_core_file_failing_signal \ + _bfd_nocore_core_file_failing_signal +#define coff_core_file_matches_executable_p \ + _bfd_nocore_core_file_matches_executable_p +#define coff_core_file_pid \ + _bfd_nocore_core_file_pid +#endif +#define coff_SWAP_sym_in _bfd_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 + +#ifndef bfd_pe_print_pdata +#define bfd_pe_print_pdata NULL +#endif + +#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 (bfd *abfd, void *ext1, void *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 (bfd *abfd, void *inp, void *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 (bfd *abfd, void *ext1, void *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 (bfd *abfd, void *inp, void *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 (bfd *abfd, void *ext1, int type, int in_class, + int indx, int numaux, void *in1) +{ + union external_auxent *ext = (union external_auxent *) ext1; + union internal_auxent *in = (union internal_auxent *) in1; + + switch (in_class) + { + case C_FILE: + if (ext->x_file.x_n.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_n.x_offset); + } + else + { + memcpy (in->x_file.x_fname, ext->x_file.x_n.x_fname, FILNMLEN); + } + goto end; + + /* RS/6000 "csect" auxents */ + case C_EXT: + case C_AIX_WEAKEXT: + 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 (in_class == C_BLOCK || in_class == C_FCN || ISFCN (type) + || ISTAG (in_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 (bfd *abfd, void *inp, int type, int in_class, + int indx ATTRIBUTE_UNUSED, + int numaux ATTRIBUTE_UNUSED, + void *extp) +{ + union internal_auxent *in = (union internal_auxent *) inp; + union external_auxent *ext = (union external_auxent *) extp; + + memset (ext, 0, bfd_coff_auxesz (abfd)); + switch (in_class) + { + case C_FILE: + if (in->x_file.x_n.x_zeroes == 0) + { + H_PUT_32 (abfd, 0, ext->x_file.x_n.x_n.x_zeroes); + H_PUT_32 (abfd, in->x_file.x_n.x_offset, + ext->x_file.x_n.x_n.x_offset); + } + else + { + memcpy (ext->x_file.x_n.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_AIX_WEAKEXT: + 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 (in_class == C_BLOCK || in_class == C_FCN || ISFCN (type) + || ISTAG (in_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 (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 (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 (bfd *abfd, + const void *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 (bfd *abfd, const struct internal_ldhdr *src, void *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 (bfd *abfd, const void *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 (bfd *abfd, const struct internal_ldsym *src, void *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 (bfd *abfd, void *s, void *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 (bfd *abfd, void *s, void *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 (bfd *abfd, const void *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 (bfd *abfd, const struct internal_ldrel *src, void *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 (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; + asection *text_sec = NULL; + asection *data_sec = NULL; + asection *bss_sec = NULL; + 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; + + 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 (&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 if (bfd_get_mach (abfd) == bfd_mach_ppc_620) + internal_a.o_cputype = 2; + 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, &internal_f, buff); + amount = bfd_bwrite (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, &internal_a, buff); + amount = bfd_bwrite (buff, amount, abfd); + + free (buff); + + if (amount != bfd_coff_aoutsz (abfd)) + return FALSE; + } + + return TRUE; +} + +static bfd_boolean +xcoff64_reloc_type_br (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; + bfd_vma section_offset; + + if (0 > rel->r_symndx) + return FALSE; + + h = obj_xcoff_sym_hashes (input_bfd)[rel->r_symndx]; + section_offset = rel->r_vaddr - input_section->vma; + + /* 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 + || bfd_link_hash_defweak == h->root.type) + && section_offset + 8 <= input_section->size) + { + bfd_byte *pnext; + unsigned long next; + + pnext = contents + section_offset + 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; + } + + /* The original PC-relative relocation is biased by -r_vaddr, so adding + the value below will give the absolute target address. */ + *relocation = val + addend + rel->r_vaddr; + + howto->src_mask &= ~3; + howto->dst_mask = howto->src_mask; + + if (h != NULL + && (h->root.type == bfd_link_hash_defined + || h->root.type == bfd_link_hash_defweak) + && bfd_is_abs_section (h->root.u.def.section) + && section_offset + 4 <= input_section->size) + { + bfd_byte *ptr; + bfd_vma insn; + + /* Turn the relative branch into an absolute one by setting the + AA bit. */ + ptr = contents + section_offset; + insn = bfd_get_32 (input_bfd, ptr); + insn |= 2; + bfd_put_32 (input_bfd, insn, ptr); + + /* Make the howto absolute too. */ + howto->pc_relative = FALSE; + howto->complain_on_overflow = complain_overflow_bitfield; + } + else + { + /* Use a PC-relative howto and subtract the instruction's address + from the target address we calculated above. */ + howto->pc_relative = TRUE; + *relocation -= (input_section->output_section->vma + + input_section->output_offset + + section_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 (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 (info->unresolved_syms_in_objects != RM_IGNORE + && (h->flags & XCOFF_WAS_UNDEFINED) != 0) + { + if (! ((*info->callbacks->undefined_symbol) + (info, h->root.root.string, + input_bfd, input_section, + rel->r_vaddr - input_section->vma, + (info->unresolved_syms_in_objects + == RM_GENERATE_ERROR)))) + return FALSE; + } + 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 + { + BFD_ASSERT (info->relocatable + || (h->flags & XCOFF_DEF_DYNAMIC) != 0 + || (h->flags & XCOFF_IMPORT) != 0); + } + } + } + + 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[] = +{ + /* 0x00: 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 */ + + /* 0x01: 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 */ + + /* 0x02: 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 */ + + /* 0x03: 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 */ + + /* 0x04: 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 */ + + /* 0x05: 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 */ + + /* 0x06: 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), + + /* 0x08: 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), + + /* 0x0a: 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), + + /* 0x0c: 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 */ + + /* 0x0d: 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), + + /* 0x0f: Non-relocating reference. Bitsize is 1 so that r_rsize is 0. */ + HOWTO (R_REF, /* type */ + 0, /* rightshift */ + 0, /* size (0 = byte, 1 = short, 2 = long) */ + 1, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_dont, /* complain_on_overflow */ + 0, /* special_function */ + "R_REF", /* name */ + FALSE, /* partial_inplace */ + 0, /* src_mask */ + 0, /* dst_mask */ + FALSE), /* pcrel_offset */ + + EMPTY_HOWTO (0x10), + EMPTY_HOWTO (0x11), + + /* 0x12: 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 */ + + /* 0x13: 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 */ + + /* 0x14: 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 */ + + /* 0x15: 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 */ + + /* 0x16: 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 */ + + /* 0x17: 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 */ + + /* 0x18: 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 */ + + /* 0x19: 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 */ + + /* 0x1a: 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 */ + + /* 0x1b: 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 */ + + /* 0x1c: Standard 32 bit relocation. */ + HOWTO (R_POS, /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 32, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_bitfield, /* complain_on_overflow */ + 0, /* special_function */ + "R_POS_32", /* name */ + TRUE, /* partial_inplace */ + 0xffffffff, /* src_mask */ + 0xffffffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* 0x1d: 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 */ + + /* 0x1e: Modifiable branch relative. */ + HOWTO (R_RBR, /* type */ + 0, /* rightshift */ + 1, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + TRUE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_signed, /* complain_on_overflow */ + 0, /* special_function */ + "R_RBR_16", /* name */ + TRUE, /* partial_inplace */ + 0xfffc, /* src_mask */ + 0xfffc, /* dst_mask */ + FALSE), /* pcrel_offset */ + + /* 0x1f: 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 (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 (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_16: + /* Note that this relocation is only internally used by gas. */ + return &xcoff64_howto_table[0xc]; + case BFD_RELOC_PPC_B16: + return &xcoff64_howto_table[0x1e]; + case BFD_RELOC_32: + case BFD_RELOC_CTOR: + return &xcoff64_howto_table[0x1c]; + case BFD_RELOC_64: + return &xcoff64_howto_table[0]; + case BFD_RELOC_NONE: + return &xcoff64_howto_table[0xf]; + default: + return NULL; + } +} + +static reloc_howto_type * +xcoff64_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED, + const char *r_name) +{ + unsigned int i; + + for (i = 0; + i < sizeof (xcoff64_howto_table) / sizeof (xcoff64_howto_table[0]); + i++) + if (xcoff64_howto_table[i].name != NULL + && strcasecmp (xcoff64_howto_table[i].name, r_name) == 0) + return &xcoff64_howto_table[i]; + + return NULL; +} + +/* Read in the armap of an XCOFF archive. */ + +static bfd_boolean +xcoff64_slurp_armap (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 (&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 (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 (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 (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 (&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 (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 (bfd *abfd, + struct bfd_link_info *info 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 (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 (bfd *abfd ATTRIBUTE_UNUSED, + bfd_vma value ATTRIBUTE_UNUSED) +{ + return FALSE; +} + +static bfd_boolean +xcoff64_is_reloc_count_overflow (bfd *abfd ATTRIBUTE_UNUSED, + bfd_vma value ATTRIBUTE_UNUSED) +{ + return FALSE; +} + +static bfd_vma +xcoff64_loader_symbol_offset (bfd *abfd ATTRIBUTE_UNUSED, + struct internal_ldhdr *ldhdr) +{ + return (ldhdr->l_symoff); +} + +static bfd_vma +xcoff64_loader_reloc_offset (bfd *abfd ATTRIBUTE_UNUSED, + struct internal_ldhdr *ldhdr) +{ + return (ldhdr->l_rldoff); +} + +static bfd_boolean +xcoff64_bad_format_hook (bfd * abfd, void *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 (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 */ + XCOFF_NO_LONG_SECTION_NAMES, /* _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_symbol_classification */ + 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, + NULL /* print_pdata. */ + }, + + 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 */ + 0, /* match priority. */ + + /* 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_archive_close_and_cleanup, + 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_generic_bfd_merge_private_bfd_data, + _bfd_generic_init_private_section_data, + _bfd_generic_bfd_copy_private_section_data, + _bfd_generic_bfd_copy_private_symbol_data, + _bfd_generic_bfd_copy_private_header_data, + _bfd_generic_bfd_set_private_flags, + _bfd_generic_bfd_print_private_bfd_data, + + /* Core */ + BFD_JUMP_TABLE_CORE (coff), + + /* Archive */ + xcoff64_slurp_armap, + _bfd_noarchive_slurp_extended_name_table, + _bfd_noarchive_construct_extended_name_table, + bfd_dont_truncate_arname, + _bfd_xcoff_write_armap, + _bfd_xcoff_read_ar_hdr, + _bfd_generic_write_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_nearest_line_discriminator, + _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, + xcoff64_reloc_name_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_generic_copy_link_hash_symbol_type, + _bfd_xcoff_bfd_final_link, + _bfd_generic_link_split_section, + bfd_generic_gc_sections, + bfd_generic_lookup_section_flags, + bfd_generic_merge_sections, + bfd_generic_is_group_section, + bfd_generic_discard_group, + _bfd_generic_section_already_linked, + _bfd_xcoff_define_common_symbol, + + /* 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, + + &bfd_xcoff_backend_data, + }; + +extern const bfd_target *xcoff64_core_p + (bfd *); +extern bfd_boolean xcoff64_core_file_matches_executable_p + (bfd *, bfd *); +extern char *xcoff64_core_file_failing_command + (bfd *); +extern int xcoff64_core_file_failing_signal + (bfd *); +#define xcoff64_core_file_pid _bfd_nocore_core_file_pid + +/* 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 */ + XCOFF_NO_LONG_SECTION_NAMES, /* _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, + NULL /* print_pdata. */ + }, + + 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 */ + 0, /* match priority. */ + + /* 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_archive_close_and_cleanup, + 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_generic_bfd_merge_private_bfd_data, + _bfd_generic_init_private_section_data, + _bfd_generic_bfd_copy_private_section_data, + _bfd_generic_bfd_copy_private_symbol_data, + _bfd_generic_bfd_copy_private_header_data, + _bfd_generic_bfd_set_private_flags, + _bfd_generic_bfd_print_private_bfd_data, + + /* Core */ + BFD_JUMP_TABLE_CORE (xcoff64), + + /* Archive */ + xcoff64_slurp_armap, + _bfd_noarchive_slurp_extended_name_table, + _bfd_noarchive_construct_extended_name_table, + bfd_dont_truncate_arname, + _bfd_xcoff_write_armap, + _bfd_xcoff_read_ar_hdr, + _bfd_generic_write_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_nearest_line_discriminator, + _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, + xcoff64_reloc_name_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_generic_copy_link_hash_symbol_type, + _bfd_xcoff_bfd_final_link, + _bfd_generic_link_split_section, + bfd_generic_gc_sections, + bfd_generic_lookup_section_flags, + bfd_generic_merge_sections, + bfd_generic_is_group_section, + bfd_generic_discard_group, + _bfd_generic_section_already_linked, + _bfd_xcoff_define_common_symbol, + + /* 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, + + & bfd_xcoff_aix5_backend_data, + }; 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