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- /* BFD back-end for IBM RS/6000 "XCOFF64" files.
- Copyright (C) 2000-2022 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 bool _bfd_xcoff64_put_symbol_name
- (struct bfd_link_info *, struct bfd_strtab_hash *,
- struct internal_syment *, const char *);
- static bool _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 bool _bfd_xcoff_mkobject
- (bfd *);
- extern bool _bfd_xcoff_copy_private_bfd_data
- (bfd *, bfd *);
- extern bool _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 bool _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 bool _bfd_xcoff_write_armap
- (bfd *, unsigned int, struct orl *, unsigned int, int);
- extern bool _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 bool xcoff64_ppc_relocate_section
- (bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *,
- struct internal_reloc *, struct internal_syment *,
- asection **);
- static bool xcoff64_slurp_armap
- (bfd *);
- static bfd_cleanup 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 bool xcoff64_is_lineno_count_overflow
- (bfd *, bfd_vma);
- static bool 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 bool xcoff64_generate_rtinit
- (bfd *, const char *, const char *, bool);
- static bool xcoff64_bad_format_hook
- (bfd *, void *);
- /* Relocation functions */
- static xcoff_reloc_function xcoff64_reloc_type_br;
- xcoff_reloc_function *const
- xcoff64_calculate_relocation[XCOFF_MAX_CALCULATE_RELOCATION] =
- {
- 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_toc, /* R_TRL (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_fail, /* (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) */
- xcoff_reloc_type_fail, /* (0x1c) */
- xcoff_reloc_type_fail, /* (0x1d) */
- xcoff_reloc_type_fail, /* (0x1e) */
- xcoff_reloc_type_fail, /* (0x1f) */
- xcoff_reloc_type_tls, /* R_TLS (0x20) */
- xcoff_reloc_type_tls, /* R_TLS_IE (0x21) */
- xcoff_reloc_type_tls, /* R_TLS_LD (0x22) */
- xcoff_reloc_type_tls, /* R_TLS_LE (0x23) */
- xcoff_reloc_type_tls, /* R_TLSM (0x24) */
- xcoff_reloc_type_tls, /* R_TLSML (0x25) */
- xcoff_reloc_type_fail, /* (0x26) */
- xcoff_reloc_type_fail, /* (0x27) */
- xcoff_reloc_type_fail, /* (0x28) */
- xcoff_reloc_type_fail, /* (0x29) */
- xcoff_reloc_type_fail, /* (0x2a) */
- xcoff_reloc_type_fail, /* (0x2b) */
- xcoff_reloc_type_fail, /* (0x2c) */
- xcoff_reloc_type_fail, /* (0x2d) */
- xcoff_reloc_type_fail, /* (0x2e) */
- xcoff_reloc_type_fail, /* (0x2f) */
- xcoff_reloc_type_toc, /* R_TOCU (0x30) */
- xcoff_reloc_type_toc, /* R_TOCL (0x31) */
- };
- /* 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 bfd_cleanup rs6000coff_core_p
- (bfd *abfd);
- extern bool 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 = (short) 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 ATTRIBUTE_UNUSED,
- 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;
- unsigned char auxtype;
- switch (in_class)
- {
- default:
- _bfd_error_handler
- /* xgettext: c-format */
- (_("%pB: unsupported swap_aux_in for storage class %#x"),
- abfd, (unsigned int) in_class);
- bfd_set_error (bfd_error_bad_value);
- break;
- case C_FILE:
- auxtype = H_GET_8 (abfd, ext->x_file.x_auxtype);
- if (auxtype != _AUX_FILE)
- goto error;
- if (ext->x_file.x_n.x_n.x_zeroes[0] == 0)
- {
- in->x_file.x_n.x_n.x_zeroes = 0;
- in->x_file.x_n.x_n.x_offset =
- H_GET_32 (abfd, ext->x_file.x_n.x_n.x_offset);
- }
- else
- memcpy (in->x_file.x_n.x_fname, ext->x_file.x_n.x_fname, FILNMLEN);
- in->x_file.x_ftype = H_GET_8 (abfd, ext->x_file.x_ftype);
- break;
- /* RS/6000 "csect" auxents.
- There is always a CSECT auxiliary entry. But functions can
- have FCN and EXCEPT ones too. In this case, CSECT is always the last
- one.
- For now, we only support FCN types. */
- case C_EXT:
- case C_AIX_WEAKEXT:
- case C_HIDEXT:
- if (indx + 1 == numaux)
- {
- /* C_EXT can have several aux enties. But the _AUX_CSECT is always
- the last one. */
- auxtype = H_GET_8 (abfd, ext->x_csect.x_auxtype);
- if (auxtype != _AUX_CSECT)
- goto error;
- bfd_vma h = H_GET_S32 (abfd, ext->x_csect.x_scnlen_hi);
- bfd_vma 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);
- }
- else
- {
- /* It can also be a _AUX_EXCEPT entry. But it's not supported
- for now. */
- auxtype = H_GET_8 (abfd, ext->x_fcn.x_auxtype);
- if (auxtype != _AUX_FCN)
- goto error;
- in->x_sym.x_fcnary.x_fcn.x_lnnoptr
- = H_GET_64 (abfd, ext->x_fcn.x_lnnoptr);
- in->x_sym.x_misc.x_fsize
- = H_GET_32 (abfd, ext->x_fcn.x_fsize);
- in->x_sym.x_fcnary.x_fcn.x_endndx.l
- = H_GET_32 (abfd, ext->x_fcn.x_endndx);
- }
- break;
- case C_STAT:
- _bfd_error_handler
- /* xgettext: c-format */
- (_("%pB: C_STAT isn't supported by XCOFF64"),
- abfd);
- bfd_set_error (bfd_error_bad_value);
- break;
- case C_BLOCK:
- case C_FCN:
- auxtype = H_GET_8 (abfd, ext->x_sym.x_auxtype);
- if (auxtype != _AUX_SYM)
- goto error;
- in->x_sym.x_misc.x_lnsz.x_lnno
- = H_GET_32 (abfd, ext->x_sym.x_lnno);
- break;
- case C_DWARF:
- auxtype = H_GET_8 (abfd, ext->x_sect.x_auxtype);
- if (auxtype != _AUX_SECT)
- goto error;
- in->x_sect.x_scnlen = H_GET_64 (abfd, ext->x_sect.x_scnlen);
- in->x_sect.x_nreloc = H_GET_64 (abfd, ext->x_sect.x_nreloc);
- break;
- }
- return;
- error:
- _bfd_error_handler
- /* xgettext: c-format */
- (_("%pB: wrong auxtype %#x for storage class %#x"),
- abfd, auxtype, (unsigned int) in_class);
- bfd_set_error (bfd_error_bad_value);
- }
- static unsigned int
- _bfd_xcoff64_swap_aux_out (bfd *abfd, void *inp, int type ATTRIBUTE_UNUSED,
- int in_class, int indx, int numaux, 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)
- {
- default:
- _bfd_error_handler
- /* xgettext: c-format */
- (_("%pB: unsupported swap_aux_out for storage class %#x"),
- abfd, (unsigned int) in_class);
- bfd_set_error (bfd_error_bad_value);
- break;
- case C_FILE:
- if (in->x_file.x_n.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_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_n.x_fname, FILNMLEN);
- H_PUT_8 (abfd, in->x_file.x_ftype, ext->x_file.x_ftype);
- H_PUT_8 (abfd, _AUX_FILE, ext->x_file.x_auxtype);
- break;
- /* RS/6000 "csect" auxents.
- There is always a CSECT auxiliary entry. But functions can
- have FCN and EXCEPT ones too. In this case, CSECT is always the last
- one.
- For now, we only support FCN types. */
- 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_csect.x_auxtype);
- }
- else
- {
- H_PUT_64 (abfd, in->x_sym.x_fcnary.x_fcn.x_lnnoptr,
- ext->x_fcn.x_lnnoptr);
- H_PUT_32 (abfd, in->x_sym.x_misc.x_fsize, ext->x_fcn.x_fsize);
- H_PUT_32 (abfd, in->x_sym.x_fcnary.x_fcn.x_endndx.l,
- ext->x_fcn.x_endndx);
- H_PUT_8 (abfd, _AUX_FCN, ext->x_csect.x_auxtype);
- }
- break;
- case C_STAT:
- _bfd_error_handler
- /* xgettext: c-format */
- (_("%pB: C_STAT isn't supported by XCOFF64"),
- abfd);
- bfd_set_error (bfd_error_bad_value);
- break;
- case C_BLOCK:
- case C_FCN:
- H_PUT_32 (abfd, in->x_sym.x_misc.x_lnsz.x_lnno, ext->x_sym.x_lnno);
- H_PUT_8 (abfd, _AUX_SYM, ext->x_sym.x_auxtype);
- break;
- case C_DWARF:
- H_PUT_64 (abfd, in->x_sect.x_scnlen, ext->x_sect.x_scnlen);
- H_PUT_64 (abfd, in->x_sect.x_nreloc, ext->x_sect.x_nreloc);
- H_PUT_8 (abfd, _AUX_SECT, ext->x_sect.x_auxtype);
- break;
- }
- return bfd_coff_auxesz (abfd);
- }
- static bool
- _bfd_xcoff64_put_symbol_name (struct bfd_link_info *info,
- struct bfd_strtab_hash *strtab,
- struct internal_syment *sym,
- const char *name)
- {
- bool hash;
- bfd_size_type indx;
- hash = !info->traditional_format;
- 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 bool
- _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 bool
- 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;
- }
- /* The XCOFF reloc table.
- Cf xcoff_howto_table comments. */
- 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: 64 bit PC relative relocation. */
- HOWTO (R_REL, /* type */
- 0, /* rightshift */
- 4, /* size (0 = byte, 1 = short, 2 = long) */
- 64, /* bitsize */
- true, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_signed, /* complain_on_overflow */
- 0, /* special_function */
- "R_REL", /* name */
- true, /* partial_inplace */
- MINUS_ONE, /* src_mask */
- MINUS_ONE, /* 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 */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- false), /* pcrel_offset */
- /* 0x04: Same as R_TOC. */
- 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 */
- 0, /* src_mask */
- 0xffff, /* 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 */
- 0, /* 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 */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- false), /* pcrel_offset */
- EMPTY_HOWTO (7),
- /* 0x08: Same as R_RBA. */
- 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: Same as R_RBR. */
- 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: Same as R_POS. */
- HOWTO (R_RL, /* 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_RL", /* name */
- true, /* partial_inplace */
- MINUS_ONE, /* src_mask */
- MINUS_ONE, /* dst_mask */
- false), /* pcrel_offset */
- /* 0x0d: Same as R_POS. */
- HOWTO (R_RLA, /* 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_RLA", /* name */
- true, /* partial_inplace */
- MINUS_ONE, /* src_mask */
- MINUS_ONE, /* 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),
- EMPTY_HOWTO (0x12),
- /* 0x13: Same as R_TOC */
- 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 */
- /* 0x20: General-dynamic TLS relocation. */
- HOWTO (R_TLS, /* 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_TLS", /* name */
- true, /* partial_inplace */
- MINUS_ONE, /* src_mask */
- MINUS_ONE, /* dst_mask */
- false), /* pcrel_offset */
- /* 0x21: Initial-exec TLS relocation. */
- HOWTO (R_TLS_IE, /* 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_TLS_IE", /* name */
- true, /* partial_inplace */
- MINUS_ONE, /* src_mask */
- MINUS_ONE, /* dst_mask */
- false), /* pcrel_offset */
- /* 0x22: Local-dynamic TLS relocation. */
- HOWTO (R_TLS_LD, /* 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_TLS_LD", /* name */
- true, /* partial_inplace */
- MINUS_ONE, /* src_mask */
- MINUS_ONE, /* dst_mask */
- false), /* pcrel_offset */
- /* 0x23: Local-exec TLS relocation. */
- HOWTO (R_TLS_LE, /* 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_TLS_LE", /* name */
- true, /* partial_inplace */
- MINUS_ONE, /* src_mask */
- MINUS_ONE, /* dst_mask */
- false), /* pcrel_offset */
- /* 0x24: TLS relocation. */
- HOWTO (R_TLSM, /* 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_TLSM", /* name */
- true, /* partial_inplace */
- MINUS_ONE, /* src_mask */
- MINUS_ONE, /* dst_mask */
- false), /* pcrel_offset */
- /* 0x25: TLS module relocation. */
- HOWTO (R_TLSML, /* 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_TLSML", /* name */
- true, /* partial_inplace */
- MINUS_ONE, /* src_mask */
- MINUS_ONE, /* dst_mask */
- false), /* pcrel_offset */
- /* 0x26: 32 bit relocation, but store negative value. */
- HOWTO (R_NEG, /* type */
- 0, /* rightshift */
- -2, /* size (0 = byte, 1 = short, 2 = long) */
- 32, /* bitsize */
- false, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_bitfield, /* complain_on_overflow */
- 0, /* special_function */
- "R_NEG_32", /* name */
- true, /* partial_inplace */
- MINUS_ONE, /* src_mask */
- MINUS_ONE, /* dst_mask */
- false), /* pcrel_offset */
- EMPTY_HOWTO(0x27),
- EMPTY_HOWTO(0x28),
- EMPTY_HOWTO(0x29),
- EMPTY_HOWTO(0x2a),
- EMPTY_HOWTO(0x2b),
- EMPTY_HOWTO(0x2c),
- EMPTY_HOWTO(0x2d),
- EMPTY_HOWTO(0x2e),
- EMPTY_HOWTO(0x2f),
- HOWTO (R_TOCU, /* type */
- 16, /* 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_TOCU", /* name */
- true, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- false), /* pcrel_offset */
- /* 0x31: Low-order 16 bit TOC relative relocation. */
- HOWTO (R_TOCL, /* type */
- 0, /* rightshift */
- 1, /* size (0 = byte, 1 = short, 2 = long) */
- 16, /* bitsize */
- false, /* pc_relative */
- 0, /* bitpos */
- complain_overflow_dont, /* complain_on_overflow */
- 0, /* special_function */
- "R_TOCL", /* name */
- true, /* partial_inplace */
- 0, /* src_mask */
- 0xffff, /* dst_mask */
- false), /* pcrel_offset */
- };
- void
- xcoff64_rtype2howto (arelent *relent, struct internal_reloc *internal)
- {
- if (internal->r_type > R_TOCL)
- 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];
- if (R_NEG == internal->r_type)
- relent->howto = &xcoff64_howto_table[0x26];
- }
- /* 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_PPC_TOC16_HI:
- return &xcoff64_howto_table[0x30];
- case BFD_RELOC_PPC_TOC16_LO:
- return &xcoff64_howto_table[0x31];
- 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];
- case BFD_RELOC_PPC_NEG:
- return &xcoff64_howto_table[0x1];
- case BFD_RELOC_PPC64_TLSGD:
- return &xcoff64_howto_table[0x20];
- case BFD_RELOC_PPC64_TLSIE:
- return &xcoff64_howto_table[0x21];
- case BFD_RELOC_PPC64_TLSLD:
- return &xcoff64_howto_table[0x22];
- case BFD_RELOC_PPC64_TLSLE:
- return &xcoff64_howto_table[0x23];
- case BFD_RELOC_PPC64_TLSM:
- return &xcoff64_howto_table[0x24];
- case BFD_RELOC_PPC64_TLSML:
- return &xcoff64_howto_table[0x25];
- 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;
- }
- /* This is the relocation function for the PowerPC64.
- See xcoff_ppc_relocation_section for more information. */
- bool
- 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;
- /* Retrieve default value in HOWTO table and fix up according
- to r_size field, if it can be different.
- This should be made during relocation reading but the algorithms
- are expecting constant howtos. */
- memcpy (&howto, &xcoff64_howto_table[rel->r_type], sizeof (howto));
- if (howto.bitsize != (rel->r_size & 0x3f) + 1)
- {
- switch (rel->r_type)
- {
- case R_POS:
- case R_NEG:
- howto.bitsize = (rel->r_size & 0x3f) + 1;
- howto.size = howto.bitsize > 16 ? (howto.bitsize > 32 ? 4 : 2) : 1;
- howto.src_mask = howto.dst_mask = N_ONES (howto.bitsize);
- break;
- default:
- _bfd_error_handler
- (_("%pB: relocation (%d) at (0x%" BFD_VMA_FMT "x) has wrong"
- " r_rsize (0x%x)\n"),
- input_bfd, rel->r_type, rel->r_vaddr, rel->r_size);
- return false;
- }
- }
- howto.complain_on_overflow = (rel->r_size & 0x80
- ? complain_overflow_signed
- : complain_overflow_bitfield);
- /* 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)
- 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_DIAGNOSE
- && !info->warn_unresolved_syms);
- 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 (bfd_link_relocatable (info)
- || (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 (((*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);
- (*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);
- }
- /* 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;
- }
- /* PR 21786: The PE/COFF standard does not require NUL termination for any of
- the ASCII fields in the archive headers. So in order to be able to extract
- numerical values we provide our own versions of strtol and strtoll which
- take a maximum length as an additional parameter. Also - just to save space,
- we omit the endptr return parameter, since we know that it is never used. */
- static long
- _bfd_strntol (const char * nptr, int base, unsigned int maxlen)
- {
- char buf[24]; /* Should be enough. */
- BFD_ASSERT (maxlen < (sizeof (buf) - 1));
- memcpy (buf, nptr, maxlen);
- buf[maxlen] = 0;
- return strtol (buf, NULL, base);
- }
- static long long
- _bfd_strntoll (const char * nptr, int base, unsigned int maxlen)
- {
- char buf[32]; /* Should be enough. */
- BFD_ASSERT (maxlen < (sizeof (buf) - 1));
- memcpy (buf, nptr, maxlen);
- buf[maxlen] = 0;
- return strtoll (buf, NULL, base);
- }
- /* Macro to read an ASCII value stored in an archive header field. */
- #define GET_VALUE_IN_FIELD(VAR, FIELD, BASE) \
- do \
- { \
- (VAR) = (sizeof (VAR) > sizeof (long) \
- ? _bfd_strntoll (FIELD, BASE, sizeof FIELD) \
- : _bfd_strntol (FIELD, BASE, sizeof FIELD)); \
- } \
- while (0)
- /* Read in the armap of an XCOFF archive. */
- static bool
- 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)
- {
- abfd->has_armap = false;
- return true;
- }
- off = bfd_scan_vma (xcoff_ardata_big (abfd)->symoff64,
- (const char **) NULL, 10);
- if (off == 0)
- {
- abfd->has_armap = 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). */
- GET_VALUE_IN_FIELD (namlen, hdr.namlen, 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);
- if (sz + 1 < 9)
- {
- bfd_set_error (bfd_error_bad_value);
- return false;
- }
- /* Read in the entire symbol table. */
- contents = (bfd_byte *) _bfd_alloc_and_read (abfd, sz + 1, sz);
- if (contents == NULL)
- return false;
- /* Ensure strings are NULL terminated so we don't wander off the end
- of the buffer. */
- contents[sz] = 0;
- /* The symbol table starts with an eight byte count. */
- c = H_GET_64 (abfd, contents);
- if (c >= sz / 8)
- {
- 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;
- abfd->has_armap = true;
- return true;
- }
- /* See if this is an NEW XCOFF archive. */
- static bfd_cleanup
- xcoff64_archive_p (bfd *abfd)
- {
- struct artdata *tdata_hold;
- char magic[SXCOFFARMAG];
- /* This is the new format. */
- struct xcoff_ar_file_hdr_big hdr;
- size_t 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 _bfd_no_cleanup;
- }
- /* Open the next element in an XCOFF archive. */
- static bfd *
- xcoff64_openr_next_archived_file (bfd *archive, bfd *last_file)
- {
- if ((xcoff_ardata (archive) == NULL)
- || ! xcoff_big_format_p (archive))
- {
- bfd_set_error (bfd_error_invalid_operation);
- return NULL;
- }
- return _bfd_xcoff_openr_next_archived_file (archive, last_file);
- }
- /* 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 * const names[] =
- {
- ".pr", ".ro", ".db", ".tc", ".ua", ".rw", ".gl", ".xo",
- NULL, ".bs", ".ds", ".uc", NULL, NULL, NULL, ".tc0",
- ".td", ".sv64", ".sv3264", NULL, ".tl", ".ul", ".te"
- };
- if ((aux->x_csect.x_smclas < ARRAY_SIZE (names))
- && (NULL != names[aux->x_csect.x_smclas]))
- {
- return_value = bfd_make_section_anyway
- (abfd, names[aux->x_csect.x_smclas]);
- }
- else
- {
- _bfd_error_handler
- /* xgettext: c-format */
- (_("%pB: 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 bool
- xcoff64_is_lineno_count_overflow (bfd *abfd ATTRIBUTE_UNUSED,
- bfd_vma value ATTRIBUTE_UNUSED)
- {
- return false;
- }
- static bool
- 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 bool
- 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 bool
- xcoff64_generate_rtinit (bfd *abfd, const char *init, const char *fini,
- bool 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 const 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 */
- 32768, /* _bfd_coff_max_nscns */
- 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 rs6000_xcoff64_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. */
- TARGET_KEEP_UNUSED_SECTION_SYMBOLS, /* keep unused section symbols. */
- /* 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_bool_bfd_false_error,
- coff_mkobject,
- _bfd_generic_mkarchive,
- _bfd_bool_bfd_false_error
- },
- {/* bfd_write_contents */
- _bfd_bool_bfd_false_error,
- coff_write_object_contents,
- _bfd_xcoff_write_archive_contents,
- _bfd_bool_bfd_false_error
- },
- /* Generic */
- _bfd_archive_close_and_cleanup,
- _bfd_bool_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_bool_bfd_true,
- /* Symbols */
- coff_get_symtab_upper_bound,
- coff_canonicalize_symtab,
- coff_make_empty_symbol,
- coff_print_symbol,
- coff_get_symbol_info,
- coff_get_symbol_version_string,
- _bfd_xcoff_is_local_label_name,
- coff_bfd_is_target_special_symbol,
- coff_get_lineno,
- coff_find_nearest_line,
- coff_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,
- _bfd_generic_set_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_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_link_check_relocs,
- bfd_generic_gc_sections,
- bfd_generic_lookup_section_flags,
- bfd_generic_merge_sections,
- bfd_generic_is_group_section,
- bfd_generic_group_name,
- bfd_generic_discard_group,
- _bfd_generic_section_already_linked,
- _bfd_xcoff_define_common_symbol,
- _bfd_generic_link_hide_symbol,
- bfd_generic_define_start_stop,
- /* 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 bfd_cleanup xcoff64_core_p
- (bfd *);
- extern bool 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 */
- 32768, /* _bfd_coff_max_nscns */
- 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 rs6000_xcoff64_aix_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. */
- TARGET_KEEP_UNUSED_SECTION_SYMBOLS, /* keep unused section symbols. */
- /* 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_bool_bfd_false_error,
- coff_mkobject,
- _bfd_generic_mkarchive,
- _bfd_bool_bfd_false_error
- },
- {/* bfd_write_contents */
- _bfd_bool_bfd_false_error,
- coff_write_object_contents,
- _bfd_xcoff_write_archive_contents,
- _bfd_bool_bfd_false_error
- },
- /* Generic */
- _bfd_archive_close_and_cleanup,
- _bfd_bool_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_bool_bfd_true,
- /* Symbols */
- coff_get_symtab_upper_bound,
- coff_canonicalize_symtab,
- coff_make_empty_symbol,
- coff_print_symbol,
- coff_get_symbol_info,
- coff_get_symbol_version_string,
- _bfd_xcoff_is_local_label_name,
- coff_bfd_is_target_special_symbol,
- coff_get_lineno,
- coff_find_nearest_line,
- coff_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,
- _bfd_generic_set_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_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_link_check_relocs,
- bfd_generic_gc_sections,
- bfd_generic_lookup_section_flags,
- bfd_generic_merge_sections,
- bfd_generic_is_group_section,
- bfd_generic_group_name,
- bfd_generic_discard_group,
- _bfd_generic_section_already_linked,
- _bfd_xcoff_define_common_symbol,
- _bfd_generic_link_hide_symbol,
- bfd_generic_define_start_stop,
- /* 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,
- };
|