mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-11-25 11:04:18 +08:00
145 lines
4.7 KiB
C
145 lines
4.7 KiB
C
/* Freescale XGATE-specific support for 32-bit ELF
|
|
Copyright 2012 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_merge_private_bfd_data (bfd*,bfd*);
|
|
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_bfd_link_hash_table_free (struct bfd_link_hash_table *);
|
|
|
|
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 */
|