mirror of
https://github.com/autc04/Retro68.git
synced 2024-11-18 11:08:26 +00:00
197 lines
4.6 KiB
C
197 lines
4.6 KiB
C
/* ARC-specific header file for PLT support.
|
|
Copyright (C) 2016-2017 Free Software Foundation, Inc.
|
|
Contributed by Cupertino Miranda (cmiranda@synopsys.com).
|
|
|
|
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 ARC_PLT_H
|
|
#define ARC_PLT_H
|
|
|
|
#include <stdint.h>
|
|
|
|
/* Instructions appear in memory as a sequence of half-words (16 bit);
|
|
individual half-words are represented on the target in target byte order.
|
|
We use 'unsigned short' on the host to represent the PLT templates,
|
|
and translate to target byte order as we copy to the target. */
|
|
typedef uint16_t insn_hword;
|
|
|
|
enum plt_reloc_symbol
|
|
{
|
|
LAST_RELOC = 0,
|
|
|
|
SGOT = 1,
|
|
|
|
RELATIVE = (1 << 8),
|
|
RELATIVE_INSN_32 = (1 << 9),
|
|
RELATIVE_INSN_24 = (1 << 10),
|
|
|
|
MIDDLE_ENDIAN = (1 << 11)
|
|
};
|
|
|
|
#define IS_RELATIVE(S) ((S & (RELATIVE | RELATIVE_INSN_24 | RELATIVE_INSN_32)) != 0)
|
|
#define IS_INSN_32(S) ((S & RELATIVE_INSN_32) != 0)
|
|
#define IS_INSN_24(S) ((S & RELATIVE_INSN_24) != 0)
|
|
#define IS_MIDDLE_ENDIAN(S) ((S & MIDDLE_ENDIAN) != 0)
|
|
#define SYM_ONLY(S) (S & 0xFF)
|
|
|
|
struct plt_reloc
|
|
{
|
|
bfd_vma offset;
|
|
bfd_vma size;
|
|
bfd_vma mask;
|
|
enum plt_reloc_symbol symbol;
|
|
bfd_vma addend;
|
|
};
|
|
|
|
|
|
#define PLT_TYPE_START(NAME) NAME,
|
|
#define PLT_TYPE_END(NAME)
|
|
#define PLT_ENTRY(...)
|
|
#define PLT_ELEM(...)
|
|
#define ENTRY_RELOC(...)
|
|
#define ELEM_RELOC(...)
|
|
|
|
enum plt_types_enum
|
|
{
|
|
PLT_START = -1,
|
|
#include "arc-plt.def"
|
|
PLT_MAX
|
|
};
|
|
|
|
#undef PLT_TYPE_START
|
|
#undef PLT_TYPE_END
|
|
#undef PLT_ENTRY
|
|
#undef PLT_ELEM
|
|
#undef ENTRY_RELOC
|
|
#undef ELEM_RELOC
|
|
|
|
typedef insn_hword insn_hword_array[];
|
|
|
|
struct plt_version_t
|
|
{
|
|
const insn_hword_array *entry;
|
|
const bfd_vma entry_size;
|
|
const insn_hword_array *elem;
|
|
const bfd_vma elem_size;
|
|
|
|
const struct plt_reloc *entry_relocs;
|
|
const struct plt_reloc *elem_relocs;
|
|
};
|
|
|
|
#define PLT_TYPE_START(NAME) \
|
|
const insn_hword NAME##_plt_entry[] = {
|
|
#define PLT_TYPE_END(NAME) };
|
|
#define PLT_ENTRY(...) __VA_ARGS__,
|
|
#define PLT_ELEM(...)
|
|
#define ENTRY_RELOC(...)
|
|
#define ELEM_RELOC(...)
|
|
|
|
#include "arc-plt.def"
|
|
|
|
#undef PLT_TYPE_START
|
|
#undef PLT_TYPE_END
|
|
#undef PLT_ENTRY
|
|
#undef PLT_ELEM
|
|
#undef ENTRY_RELOC
|
|
#undef ELEM_RELOC
|
|
|
|
#define PLT_TYPE_START(NAME) \
|
|
const struct plt_reloc NAME##_plt_entry_relocs[] = {
|
|
#define PLT_TYPE_END(NAME) \
|
|
{0, 0, 0, LAST_RELOC, 0} \
|
|
};
|
|
#define PLT_ENTRY(...)
|
|
#define PLT_ELEM(...)
|
|
#define ENTRY_RELOC(...) { __VA_ARGS__ },
|
|
#define ELEM_RELOC(...)
|
|
|
|
#include "arc-plt.def"
|
|
|
|
#undef PLT_TYPE_START
|
|
#undef PLT_TYPE_END
|
|
#undef PLT_ENTRY
|
|
#undef PLT_ELEM
|
|
#undef ENTRY_RELOC
|
|
#undef ELEM_RELOC
|
|
|
|
|
|
#define PLT_TYPE_START(NAME) \
|
|
const insn_hword NAME##_plt_elem[] = {
|
|
#define PLT_TYPE_END(NAME) };
|
|
#define PLT_ENTRY(...)
|
|
#define PLT_ELEM(...) __VA_ARGS__,
|
|
#define ENTRY_RELOC(...)
|
|
#define ELEM_RELOC(...)
|
|
|
|
#include "arc-plt.def"
|
|
|
|
#undef PLT_TYPE_START
|
|
#undef PLT_TYPE_END
|
|
#undef PLT_ENTRY
|
|
#undef PLT_ELEM
|
|
#undef ENTRY_RELOC
|
|
#undef ELEM_RELOC
|
|
|
|
#define PLT_TYPE_START(NAME) \
|
|
const struct plt_reloc NAME##_plt_elem_relocs[] = {
|
|
#define PLT_TYPE_END(NAME) \
|
|
{0, 0, 0, LAST_RELOC, 0} \
|
|
};
|
|
#define PLT_ENTRY(...)
|
|
#define PLT_ELEM(...)
|
|
#define ENTRY_RELOC(...)
|
|
#define ELEM_RELOC(...) { __VA_ARGS__ },
|
|
|
|
#include "arc-plt.def"
|
|
|
|
#undef PLT_TYPE_START
|
|
#undef PLT_TYPE_END
|
|
#undef PLT_ENTRY
|
|
#undef PLT_ELEM
|
|
#undef ENTRY_RELOC
|
|
#undef ELEM_RELOC
|
|
|
|
|
|
#define PLT_TYPE_START(NAME) \
|
|
{ \
|
|
.entry = &NAME##_plt_entry, \
|
|
.entry_size = sizeof (NAME##_plt_entry), \
|
|
.elem = &NAME##_plt_elem, \
|
|
.elem_size = sizeof (NAME##_plt_elem), \
|
|
.entry_relocs = NAME##_plt_entry_relocs, \
|
|
.elem_relocs = NAME##_plt_elem_relocs
|
|
#define PLT_TYPE_END(NAME) },
|
|
#define PLT_ENTRY(...)
|
|
#define PLT_ELEM(...)
|
|
#define ENTRY_RELOC(...)
|
|
#define ELEM_RELOC(...)
|
|
struct plt_version_t plt_versions[PLT_MAX] = {
|
|
|
|
#include "arc-plt.def"
|
|
|
|
};
|
|
#undef PLT_TYPE_START
|
|
#undef PLT_TYPE_END
|
|
#undef PLT_ENTRY
|
|
#undef PLT_ELEM
|
|
#undef ENTRY_RELOC
|
|
#undef ELEM_RELOC
|
|
|
|
|
|
#endif /* ARC_PLT_H */
|