diff options
Diffstat (limited to 'bfd/libxcoff.h')
| -rw-r--r-- | bfd/libxcoff.h | 95 |
1 files changed, 61 insertions, 34 deletions
diff --git a/bfd/libxcoff.h b/bfd/libxcoff.h index 20c3c4a..5e16fb2 100644 --- a/bfd/libxcoff.h +++ b/bfd/libxcoff.h @@ -1,22 +1,22 @@ /* BFD XCOFF object file private structure. - Copyright (C) 2001 Free Software Foundation, Inc. + Copyright (C) 2001, 2002 Free Software Foundation, Inc. Written by Tom Rix, Redhat. -This file is part of BFD, the Binary File Descriptor library. + This file is part of BFD, the Binary File Descriptor library. -This program is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2 of the License, or -(at your option) any later version. + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. -This program is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. + 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ + 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #ifndef LIBXCOFF_H #define LIBXCOFF_H @@ -31,14 +31,14 @@ struct xcoff_backend_data_rec /* COFF backend information. */ bfd_coff_backend_data coff; - /* Magic number */ + /* Magic number. */ unsigned short _xcoff_magic_number; - /* Architecture and machine for coff_set_arch_mach_hook */ + /* Architecture and machine for coff_set_arch_mach_hook. */ enum bfd_architecture _xcoff_architecture; long _xcoff_machine; - /* function pointers to xcoff specific swap routines */ + /* Function pointers to xcoff specific swap routines. */ void (* _xcoff_swap_ldhdr_in)(bfd *, const PTR, struct internal_ldhdr *); void (* _xcoff_swap_ldhdr_out)(bfd *, const struct internal_ldhdr *, PTR); void (* _xcoff_swap_ldsym_in)(bfd *, const PTR, struct internal_ldsym *); @@ -46,33 +46,34 @@ struct xcoff_backend_data_rec void (* _xcoff_swap_ldrel_in)(bfd *, const PTR, struct internal_ldrel *); void (* _xcoff_swap_ldrel_out)(bfd *, const struct internal_ldrel *, PTR); - /* size of the external struct */ + /* Size of the external struct. */ unsigned int _xcoff_ldhdrsz; unsigned int _xcoff_ldsymsz; unsigned int _xcoff_ldrelsz; - /* size an entry in a descriptor section */ + /* Size an entry in a descriptor section. */ unsigned int _xcoff_function_descriptor_size; - /* size of the small aout file header */ + /* Size of the small aout file header. */ unsigned int _xcoff_small_aout_header_size; /* Loader version 1 : XCOFF32 - 2 : XCOFF64 */ + 2 : XCOFF64. */ unsigned long _xcoff_ldhdr_version; - boolean (* _xcoff_put_symbol_name)(bfd *, struct bfd_strtab_hash *, - struct internal_syment *, - const char *); + boolean (* _xcoff_put_symbol_name) + PARAMS ((bfd *, struct bfd_strtab_hash *, struct internal_syment *, + const char *)); - boolean (* _xcoff_put_ldsymbol_name)(bfd *, struct xcoff_loader_info *, - struct internal_ldsym *, - const char *); + boolean (* _xcoff_put_ldsymbol_name) + PARAMS ((bfd *, struct xcoff_loader_info *, struct internal_ldsym *, + const char *)); reloc_howto_type *_xcoff_dynamic_reloc; - asection * (* _xcoff_create_csect_from_smclas) (bfd *, union internal_auxent *, const char *); + asection * (* _xcoff_create_csect_from_smclas) + PARAMS ((bfd *, union internal_auxent *, const char *)); /* Line number and relocation overflow. XCOFF32 overflows to another section when the line number or the @@ -82,7 +83,7 @@ struct xcoff_backend_data_rec /* Loader section symbol and relocation table offset XCOFF32 is after the .loader header - XCOFF64 is offset in .loader header */ + XCOFF64 is offset in .loader header. */ bfd_vma (*_xcoff_loader_symbol_offset)(bfd *, struct internal_ldhdr *); bfd_vma (*_xcoff_loader_reloc_offset)(bfd *, struct internal_ldhdr *); @@ -93,21 +94,19 @@ struct xcoff_backend_data_rec /* Size of the global link code in bytes of the xcoff_glink_code table. */ unsigned long _xcoff_glink_size; - /* rtinit */ + /* rtinit. */ unsigned int _xcoff_rtinit_size; boolean (*_xcoff_generate_rtinit)(bfd *, const char *, const char *, boolean); }; /* Look up an entry in an XCOFF link hash table. */ - #define xcoff_link_hash_lookup(table, string, create, copy, follow) \ ((struct xcoff_link_hash_entry *) \ bfd_link_hash_lookup (&(table)->root, (string), (create), (copy),\ (follow))) /* Traverse an XCOFF link hash table. */ - #define xcoff_link_hash_traverse(table, func, info) \ (bfd_link_hash_traverse \ (&(table)->root, \ @@ -116,7 +115,6 @@ struct xcoff_backend_data_rec /* Get the XCOFF link hash table from the info structure. This is just a cast. */ - #define xcoff_hash_table(p) ((struct xcoff_link_hash_table *) ((p)->hash)) @@ -186,8 +184,11 @@ struct xcoff_backend_data_rec #define bfd_xcoff_glink_code(a, b) ((xcoff_backend(a)->_xcoff_glink_code[(b)])) #define bfd_xcoff_glink_code_size(a) ((xcoff_backend(a)->_xcoff_glink_size)) -/* Check for the magic number U803XTOCMAGIC for 64 bit targets. */ -#define bfd_xcoff_is_xcoff64(a) (0x01EF == (bfd_xcoff_magic_number(a))) +/* Check for the magic number U803XTOCMAGIC or U64_TOCMAGIC for 64 bit + targets. */ +#define bfd_xcoff_is_xcoff64(a) \ + ( (0x01EF == (bfd_xcoff_magic_number(a))) \ + || (0x01F7 == (bfd_xcoff_magic_number(a)))) /* Check for the magic number U802TOMAGIC for 32 bit targets. */ #define bfd_xcoff_is_xcoff32(a) (0x01DF == (bfd_xcoff_magic_number(a))) @@ -195,4 +196,30 @@ struct xcoff_backend_data_rec #define bfd_xcoff_rtinit_size(a) ((xcoff_backend(a)->_xcoff_rtinit_size)) #define bfd_xcoff_generate_rtinit(a, b, c, d) ((xcoff_backend(a)->_xcoff_generate_rtinit ((a), (b), (c), (d)))) +/* Accessor macros for tdata. */ +#define bfd_xcoff_text_align_power(a) ((xcoff_data (a)->text_align_power)) +#define bfd_xcoff_data_align_power(a) ((xcoff_data (a)->data_align_power)) + +/* xcoff*_ppc_relocate_section macros */ +#define XCOFF_MAX_CALCULATE_RELOCATION (0x1c) +#define XCOFF_MAX_COMPLAIN_OVERFLOW (4) +/* N_ONES produces N one bits, without overflowing machine arithmetic. */ +#ifdef N_ONES +#undef N_ONES +#endif +#define N_ONES(n) (((((bfd_vma) 1 << ((n) - 1)) - 1) << 1) | 1) + +#define XCOFF_RELOC_FUNCTION_ARGS \ + bfd *, asection *, bfd *, struct internal_reloc *, \ + struct internal_syment *, struct reloc_howto_struct *, bfd_vma, bfd_vma, \ + bfd_vma *relocation, bfd_byte *contents + +#define XCOFF_COMPLAIN_FUNCTION_ARGS \ + bfd *, bfd_vma, bfd_vma, struct reloc_howto_struct *howto + +extern boolean (*xcoff_calculate_relocation[XCOFF_MAX_CALCULATE_RELOCATION]) + (XCOFF_RELOC_FUNCTION_ARGS); +extern boolean (*xcoff_complain_overflow[XCOFF_MAX_COMPLAIN_OVERFLOW]) + (XCOFF_COMPLAIN_FUNCTION_ARGS); + #endif /* LIBXCOFF_H */ |