diff options
Diffstat (limited to 'bfd/libnlm.h')
| -rw-r--r-- | bfd/libnlm.h | 222 |
1 files changed, 0 insertions, 222 deletions
diff --git a/bfd/libnlm.h b/bfd/libnlm.h deleted file mode 100644 index 042c3a4..0000000 --- a/bfd/libnlm.h +++ /dev/null @@ -1,222 +0,0 @@ -/* BFD back-end data structures for NLM (NetWare Loadable Modules) files. - Copyright (C) 1993-2018 Free Software Foundation, Inc. - Written 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. */ - -#ifndef _LIBNLM_H_ -#define _LIBNLM_H_ 1 - -#ifdef ARCH_SIZE -# define NLM_ARCH_SIZE ARCH_SIZE -#endif -#include "nlm/common.h" -#include "nlm/internal.h" -#include "nlm/external.h" - -/* A reloc for an imported NLM symbol. Normal relocs are associated - with sections, and include a symbol. These relocs are associated - with (undefined) symbols, and include a section. */ - -struct nlm_relent -{ - /* Section of reloc. */ - asection *section; - /* Reloc info (sym_ptr_ptr field set only when canonicalized). */ - arelent reloc; -}; - -/* Information we keep for an NLM symbol. */ - -typedef struct -{ - /* BFD symbol. */ - asymbol symbol; - /* Number of reloc entries for imported symbol. */ - bfd_size_type rcnt; - /* Array of reloc information for imported symbol. */ - struct nlm_relent *relocs; -} nlmNAME(symbol_type); - -extern bfd_boolean nlm_mkobject (bfd *); -extern bfd_boolean nlm_set_arch_mach (bfd *, enum bfd_architecture, unsigned long); -extern void nlmNAME (get_symbol_info) (bfd *, asymbol *, symbol_info *); -extern long nlmNAME (get_symtab_upper_bound)(bfd *); -extern long nlmNAME (canonicalize_symtab) (bfd *, asymbol **); -extern asymbol * nlmNAME (make_empty_symbol) (bfd *); -extern void nlmNAME (print_symbol) (bfd *, void *, asymbol *, bfd_print_symbol_type); -extern long nlmNAME (get_reloc_upper_bound) (bfd *, asection *); -extern long nlmNAME (canonicalize_reloc) (bfd *, asection *, arelent **, asymbol **); -extern const bfd_target * nlmNAME (object_p) (bfd *); -extern bfd_boolean nlmNAME (set_arch_mach) (bfd *, enum bfd_architecture, unsigned long); -extern bfd_boolean nlmNAME (set_section_contents) (bfd *, asection *, const void *, file_ptr, bfd_size_type); -extern bfd_boolean nlmNAME (write_object_contents) (bfd *); - -/* Some private data is stashed away for future use using the tdata pointer - in the bfd structure. */ - -struct nlm_obj_tdata -{ - /* Actual data, but ref like ptr */ - Nlm_Internal_Fixed_Header nlm_fixed_hdr[1]; - Nlm_Internal_Variable_Header nlm_variable_hdr[1]; - Nlm_Internal_Version_Header nlm_version_hdr[1]; - Nlm_Internal_Copyright_Header nlm_copyright_hdr[1]; - Nlm_Internal_Extended_Header nlm_extended_hdr[1]; - Nlm_Internal_Custom_Header nlm_custom_hdr[1]; - Nlm_Internal_Cygnus_Ext_Header nlm_cygnus_ext_hdr[1]; - /* BFD NLM symbols. */ - nlmNAME (symbol_type) * nlm_symbols; - /* Lowest text and data VMA values. */ - bfd_vma nlm_text_low; - bfd_vma nlm_data_low; - /* Caches for data read from object file. */ - arelent * nlm_reloc_fixups; - asection ** nlm_reloc_fixup_secs; - /* Backend specific information. This should probably be a pointer, - but that would require yet another entry point to initialize the - structure. */ - union - { - struct /* Alpha backend information. */ - { - bfd_vma gp; /* GP value. */ - bfd_vma lita_address; /* .lita section address. */ - bfd_size_type lita_size; /* .lita section size. */ - } - alpha_backend_data; - } - backend_data; -}; - -#define nlm_tdata(bfd) ((bfd) -> tdata.nlm_obj_data) -#define nlm_fixed_header(bfd) (nlm_tdata (bfd) -> nlm_fixed_hdr) -#define nlm_variable_header(bfd) (nlm_tdata (bfd) -> nlm_variable_hdr) -#define nlm_version_header(bfd) (nlm_tdata (bfd) -> nlm_version_hdr) -#define nlm_copyright_header(bfd) (nlm_tdata (bfd) -> nlm_copyright_hdr) -#define nlm_extended_header(bfd) (nlm_tdata (bfd) -> nlm_extended_hdr) -#define nlm_custom_header(bfd) (nlm_tdata (bfd) -> nlm_custom_hdr) -#define nlm_cygnus_ext_header(bfd) (nlm_tdata (bfd) -> nlm_cygnus_ext_hdr) -#define nlm_get_symbols(bfd) (nlm_tdata (bfd) -> nlm_symbols) -#define nlm_set_symbols(bfd, p) (nlm_tdata (bfd) -> nlm_symbols = (p)) -#define nlm_set_text_low(bfd, i) (nlm_tdata (bfd) -> nlm_text_low = (i)) -#define nlm_get_text_low(bfd) (nlm_tdata (bfd) -> nlm_text_low) -#define nlm_set_data_low(bfd, i) (nlm_tdata (bfd) -> nlm_data_low = (i)) -#define nlm_get_data_low(bfd) (nlm_tdata (bfd) -> nlm_data_low) -#define nlm_relocation_fixups(bfd) (nlm_tdata (bfd) -> nlm_reloc_fixups) -#define nlm_relocation_fixup_secs(bfd) (nlm_tdata (bfd) -> nlm_reloc_fixup_secs) -#define nlm_alpha_backend_data(bfd) (&nlm_tdata (bfd) -> backend_data.alpha_backend_data) - -/* This is used when writing out the external relocs. */ - -struct reloc_and_sec -{ - arelent *rel; - asection *sec; -}; - -/* We store some function pointer in the backend structure. This lets - different NLM targets share most of the same code, while providing - slightly different code where necessary. */ - -struct nlm_backend_data -{ - /* Signature for this backend. */ - char signature[NLM_SIGNATURE_SIZE]; - /* Size of the fixed header. */ - bfd_size_type fixed_header_size; - /* Size of optional prefix for this backend. Some backend may - require this to be a function, but so far a constant is OK. This - is for a prefix which precedes the standard NLM fixed header. */ - bfd_size_type optional_prefix_size; - /* Architecture. */ - enum bfd_architecture arch; - /* Machine. */ - unsigned int mach; - /* Some NLM formats do not use the uninitialized data section, so - all uninitialized data must be put into the regular data section - instead. */ - bfd_boolean no_uninitialized_data; - /* Some NLM formats have a prefix on the file. If this function is - not NULL, it will be called by nlm_object_p. It should return - TRUE if this file could match this format, and it should leave - the BFD such that a bfd_bread will pick up the fixed header. */ - bfd_boolean (*nlm_backend_object_p) (bfd *); - /* Write out the prefix. This function may be NULL. This must - write out the same number of bytes as is in the field - optional_prefix_size. */ - bfd_boolean (*nlm_write_prefix) (bfd *); - /* Read a relocation fixup from abfd. The reloc information is - machine specific. The second argument is the symbol if this is - an import, or NULL if this is a reloc fixup. This function - should set the third argument to the section which the reloc - belongs in, and the fourth argument to the reloc itself; it does - not need to fill in the sym_ptr_ptr field for a reloc against an - import symbol. */ - bfd_boolean (*nlm_read_reloc) (bfd *, nlmNAME (symbol_type) *, asection **, arelent *); - /* To make objcopy to an i386 NLM work, the i386 backend needs a - chance to work over the relocs. This is a bit icky. */ - bfd_boolean (*nlm_mangle_relocs) (bfd *, asection *, const void *, bfd_vma, bfd_size_type); - /* Read an import record from abfd. It would be nice if this - were in a machine-dependent format, but it doesn't seem to be. */ - bfd_boolean (*nlm_read_import) (bfd *, nlmNAME (symbol_type) *); - /* Write an import record to abfd. */ - bfd_boolean (*nlm_write_import) (bfd *, asection *, arelent *); - /* Set the section for a public symbol. This may be NULL, in which - case a default method will be used. */ - bfd_boolean (*nlm_set_public_section) (bfd *, nlmNAME (symbol_type) *); - /* Get the offset to write out for a public symbol. This may be - NULL, in which case a default method will be used. */ - bfd_vma (*nlm_get_public_offset) (bfd *, asymbol *); - /* Swap the fixed header in and out */ - void (*nlm_swap_fhdr_in) (bfd *, void *, Nlm_Internal_Fixed_Header *); - void (*nlm_swap_fhdr_out) (bfd *, struct nlm_internal_fixed_header *, void *); - /* Write out an external reference. */ - bfd_boolean (*nlm_write_external) (bfd *, bfd_size_type, asymbol *, struct reloc_and_sec *); - bfd_boolean (*nlm_write_export) (bfd *, asymbol *, bfd_vma); -}; - -#define nlm_backend(bfd) ((struct nlm_backend_data *)((bfd) -> xvec -> backend_data)) -#define nlm_signature(bfd) (nlm_backend (bfd) -> signature) -#define nlm_fixed_header_size(bfd) (nlm_backend (bfd) -> fixed_header_size) -#define nlm_optional_prefix_size(bfd) (nlm_backend (bfd) -> optional_prefix_size) -#define nlm_architecture(bfd) (nlm_backend (bfd) -> arch) -#define nlm_machine(bfd) (nlm_backend (bfd) -> mach) -#define nlm_no_uninitialized_data(bfd) (nlm_backend (bfd) -> no_uninitialized_data) -#define nlm_backend_object_p_func(bfd) (nlm_backend (bfd) -> nlm_backend_object_p) -#define nlm_write_prefix_func(bfd) (nlm_backend (bfd) -> nlm_write_prefix) -#define nlm_read_reloc_func(bfd) (nlm_backend (bfd) -> nlm_read_reloc) -#define nlm_mangle_relocs_func(bfd) (nlm_backend (bfd) -> nlm_mangle_relocs) -#define nlm_read_import_func(bfd) (nlm_backend (bfd) -> nlm_read_import) -#define nlm_write_import_func(bfd) (nlm_backend (bfd) -> nlm_write_import) -#define nlm_set_public_section_func(bfd) (nlm_backend (bfd) -> nlm_set_public_section) -#define nlm_get_public_offset_func(bfd) (nlm_backend (bfd) -> nlm_get_public_offset) -#define nlm_swap_fixed_header_in_func(bfd) (nlm_backend (bfd) -> nlm_swap_fhdr_in) -#define nlm_swap_fixed_header_out_func(bfd)(nlm_backend (bfd) -> nlm_swap_fhdr_out) -#define nlm_write_external_func(bfd) (nlm_backend (bfd) -> nlm_write_external) -#define nlm_write_export_func(bfd) (nlm_backend (bfd) -> nlm_write_export) - -/* The NLM code, data, and uninitialized sections have no names defined - in the NLM, but bfd wants to give them names, so use the traditional - UNIX names. */ - -#define NLM_CODE_NAME ".text" -#define NLM_INITIALIZED_DATA_NAME ".data" -#define NLM_UNINITIALIZED_DATA_NAME ".bss" - -#endif /* _LIBNLM_H_ */ |