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143 lines
4.6 KiB
143 lines
4.6 KiB
/* Freescale XGATE-specific support for 32-bit ELF |
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Copyright (C) 2012-2014 Free Software Foundation, Inc. |
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Contributed by Sean Keys (skeys@ipdatasys.com) |
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(Heavily copied from the HC11 port by Stephane Carrez (stcarrez@nerim.fr)) |
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This file is part of BFD, the Binary File Descriptor library. |
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This program is free software; you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation; either version 3 of the License, or |
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(at your option) any later version. |
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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You should have received a copy of the GNU General Public License |
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along with this program; if not, write to the Free Software |
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Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
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MA 02110-1301, USA. */ |
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#ifndef _ELF32_XGATE_H |
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#define _ELF32_XGATE_H |
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#include "elf-bfd.h" |
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#include "bfdlink.h" |
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#include "elf/xgate.h" |
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/* Set and control ELF flags in ELF header. */ |
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extern bfd_boolean _bfd_xgate_elf_merge_private_bfd_data (bfd*,bfd*); |
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extern bfd_boolean _bfd_xgate_elf_set_private_flags (bfd*,flagword); |
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extern bfd_boolean _bfd_xgate_elf_print_private_bfd_data (bfd*, void*); |
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struct elf32_xgate_stub_hash_entry |
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{ |
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/* Base hash table entry structure. */ |
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struct bfd_hash_entry root; |
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/* The stub section. */ |
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asection *stub_sec; |
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/* Offset within stub_sec of the beginning of this stub. */ |
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bfd_vma stub_offset; |
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/* Given the symbol's value and its section we can determine its final |
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value when building the stubs (so the stub knows where to jump. */ |
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bfd_vma target_value; |
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asection *target_section; |
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}; |
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struct xgate_page_info |
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{ |
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bfd_vma bank_virtual; |
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bfd_vma bank_physical; |
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bfd_vma bank_physical_end; |
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bfd_vma bank_mask; |
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bfd_vma bank_size; |
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int bank_shift; |
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int bank_param_initialized; |
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bfd_vma trampoline_addr; |
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}; |
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struct xgate_elf_link_hash_table |
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{ |
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struct elf_link_hash_table root; |
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struct xgate_page_info pinfo; |
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/* The stub hash table. */ |
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struct bfd_hash_table* stub_hash_table; |
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/* Linker stub bfd. */ |
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bfd *stub_bfd; |
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asection* stub_section; |
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asection* tramp_section; |
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/* Linker call-backs. */ |
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asection * (*add_stub_section) (const char *, asection *); |
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/* Assorted information used by elf32_hppa_size_stubs. */ |
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unsigned int bfd_count; |
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int top_index; |
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asection ** input_list; |
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/* Small local sym cache. */ |
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struct sym_cache sym_cache; |
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bfd_boolean (*size_one_stub) (struct bfd_hash_entry*, void*); |
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bfd_boolean (*build_one_stub) (struct bfd_hash_entry*, void*); |
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}; |
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/* Get the XGate ELF linker hash table from a link_info structure. */ |
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#define xgate_elf_hash_table(p) \ |
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((struct xgate_elf_link_hash_table *) ((p)->hash)) |
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/* Create a XGATE ELF linker hash table. */ |
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extern struct xgate_elf_link_hash_table* xgate_elf_hash_table_create |
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(bfd *); |
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extern void xgate_elf_get_bank_parameters (struct bfd_link_info *); |
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/* Return 1 if the address is in banked memory. |
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This can be applied to a virtual address and to a physical address. */ |
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extern int xgate_addr_is_banked (struct xgate_page_info *, bfd_vma); |
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/* Return the physical address seen by the processor, taking |
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into account banked memory. */ |
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extern bfd_vma xgate_phys_addr (struct xgate_page_info *, bfd_vma); |
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/* Return the page number corresponding to an address in banked memory. */ |
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extern bfd_vma xgate_phys_page (struct xgate_page_info *, bfd_vma); |
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bfd_reloc_status_type xgate_elf_ignore_reloc |
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(bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **); |
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bfd_reloc_status_type xgate_elf_special_reloc |
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(bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **); |
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bfd_boolean elf32_xgate_check_relocs |
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(bfd *, struct bfd_link_info *, asection *, const Elf_Internal_Rela *); |
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bfd_boolean elf32_xgate_relocate_section |
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(bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, |
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Elf_Internal_Rela *, Elf_Internal_Sym *, asection **); |
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bfd_boolean elf32_xgate_add_symbol_hook |
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(bfd *, struct bfd_link_info *, Elf_Internal_Sym *, const char **, |
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flagword *, asection **, bfd_vma *); |
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/* Tweak the OSABI field of the elf header. */ |
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extern void elf32_xgate_post_process_headers (bfd *, struct bfd_link_info *); |
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int elf32_xgate_setup_section_lists (bfd *, struct bfd_link_info *); |
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bfd_boolean elf32_xgate_size_stubs |
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(bfd *, bfd *, struct bfd_link_info *, |
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asection * (*) (const char *, asection *)); |
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bfd_boolean elf32_xgate_build_stubs (bfd * abfd, struct bfd_link_info *); |
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#endif /* _ELF32_XGATE_H */
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