| /* Freescale XGATE-specific support for 32-bit ELF |
| Copyright (C) 2012-2016 Free Software Foundation, Inc. |
| |
| Contributed by Sean Keys (skeys@ipdatasys.com) |
| (Heavily copied from the HC11 port by Stephane Carrez (stcarrez@nerim.fr)) |
| |
| 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 _ELF32_XGATE_H |
| #define _ELF32_XGATE_H |
| |
| #include "elf-bfd.h" |
| #include "bfdlink.h" |
| #include "elf/xgate.h" |
| |
| /* Set and control ELF flags in ELF header. */ |
| extern bfd_boolean _bfd_xgate_elf_set_private_flags (bfd*,flagword); |
| extern bfd_boolean _bfd_xgate_elf_print_private_bfd_data (bfd*, void*); |
| |
| struct elf32_xgate_stub_hash_entry |
| { |
| /* Base hash table entry structure. */ |
| struct bfd_hash_entry root; |
| |
| /* The stub section. */ |
| asection *stub_sec; |
| |
| /* Offset within stub_sec of the beginning of this stub. */ |
| bfd_vma stub_offset; |
| |
| /* Given the symbol's value and its section we can determine its final |
| value when building the stubs (so the stub knows where to jump. */ |
| bfd_vma target_value; |
| asection *target_section; |
| }; |
| |
| struct xgate_page_info |
| { |
| bfd_vma bank_virtual; |
| bfd_vma bank_physical; |
| bfd_vma bank_physical_end; |
| bfd_vma bank_mask; |
| bfd_vma bank_size; |
| int bank_shift; |
| int bank_param_initialized; |
| bfd_vma trampoline_addr; |
| }; |
| |
| struct xgate_elf_link_hash_table |
| { |
| struct elf_link_hash_table root; |
| struct xgate_page_info pinfo; |
| |
| /* The stub hash table. */ |
| struct bfd_hash_table* stub_hash_table; |
| |
| /* Linker stub bfd. */ |
| bfd *stub_bfd; |
| |
| asection* stub_section; |
| asection* tramp_section; |
| |
| /* Linker call-backs. */ |
| asection * (*add_stub_section) (const char *, asection *); |
| |
| /* Assorted information used by elf32_hppa_size_stubs. */ |
| unsigned int bfd_count; |
| int top_index; |
| asection ** input_list; |
| |
| /* Small local sym cache. */ |
| struct sym_cache sym_cache; |
| |
| bfd_boolean (*size_one_stub) (struct bfd_hash_entry*, void*); |
| bfd_boolean (*build_one_stub) (struct bfd_hash_entry*, void*); |
| }; |
| |
| /* Get the XGate ELF linker hash table from a link_info structure. */ |
| |
| #define xgate_elf_hash_table(p) \ |
| ((struct xgate_elf_link_hash_table *) ((p)->hash)) |
| |
| /* Create a XGATE ELF linker hash table. */ |
| |
| extern struct xgate_elf_link_hash_table* xgate_elf_hash_table_create |
| (bfd *); |
| |
| extern void xgate_elf_get_bank_parameters (struct bfd_link_info *); |
| |
| /* Return 1 if the address is in banked memory. |
| This can be applied to a virtual address and to a physical address. */ |
| extern int xgate_addr_is_banked (struct xgate_page_info *, bfd_vma); |
| |
| /* Return the physical address seen by the processor, taking |
| into account banked memory. */ |
| extern bfd_vma xgate_phys_addr (struct xgate_page_info *, bfd_vma); |
| |
| /* Return the page number corresponding to an address in banked memory. */ |
| extern bfd_vma xgate_phys_page (struct xgate_page_info *, bfd_vma); |
| |
| bfd_reloc_status_type xgate_elf_ignore_reloc |
| (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **); |
| bfd_reloc_status_type xgate_elf_special_reloc |
| (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **); |
| |
| bfd_boolean elf32_xgate_check_relocs |
| (bfd *, struct bfd_link_info *, asection *, const Elf_Internal_Rela *); |
| bfd_boolean elf32_xgate_relocate_section |
| (bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, |
| Elf_Internal_Rela *, Elf_Internal_Sym *, asection **); |
| |
| bfd_boolean elf32_xgate_add_symbol_hook |
| (bfd *, struct bfd_link_info *, Elf_Internal_Sym *, const char **, |
| flagword *, asection **, bfd_vma *); |
| |
| /* Tweak the OSABI field of the elf header. */ |
| extern void elf32_xgate_post_process_headers (bfd *, struct bfd_link_info *); |
| |
| int elf32_xgate_setup_section_lists (bfd *, struct bfd_link_info *); |
| |
| bfd_boolean elf32_xgate_size_stubs |
| (bfd *, bfd *, struct bfd_link_info *, |
| asection * (*) (const char *, asection *)); |
| |
| bfd_boolean elf32_xgate_build_stubs (bfd * abfd, struct bfd_link_info *); |
| |
| #endif /* _ELF32_XGATE_H */ |