mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2025-01-18 12:24:38 +08:00
c60b380679
Allows aarch64-pe to be targeted natively, not having to use objcopy to convert it from ELF to PE. Based on initial work by Jedidiah Thompson Co-authored-by: Jedidiah Thompson <wej22007@outlook.com> Co-authored-by: Zac Walker <zac.walker@linaro.org>
86 lines
4.3 KiB
C
86 lines
4.3 KiB
C
/* AArch64 COFF support for BFD.
|
|
Copyright (C) 2021-2022 Free Software Foundation, Inc.
|
|
|
|
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. */
|
|
|
|
#define COFFAARCH64 1
|
|
|
|
#define L_LNNO_SIZE 2
|
|
#define INCLUDE_COMDAT_FIELDS_IN_AUXENT
|
|
#include "coff/external.h"
|
|
|
|
#define F_AARCH64_ARCHITECTURE_MASK (0x4000)
|
|
|
|
#define AARCH64MAGIC 0xaa64 /* From Microsoft specification. */
|
|
|
|
#undef BADMAG
|
|
#define BADMAG(x) ((x).f_magic != AARCH64MAGIC)
|
|
#define AARCH64 1 /* Customize coffcode.h. */
|
|
|
|
#define IMAGE_NT_OPTIONAL_HDR64_MAGIC 0x20b
|
|
|
|
#define OMAGIC 0404 /* Object files, eg as output. */
|
|
#define ZMAGIC IMAGE_NT_OPTIONAL_HDR64_MAGIC /* Demand load format, eg normal ld output 0x10b. */
|
|
#define STMAGIC 0401 /* Target shlib. */
|
|
#define SHMAGIC 0443 /* Host shlib. */
|
|
|
|
/* define some NT default values */
|
|
/* #define NT_IMAGE_BASE 0x400000 moved to internal.h */
|
|
#define NT_SECTION_ALIGNMENT 0x1000
|
|
#define NT_FILE_ALIGNMENT 0x200
|
|
#define NT_DEF_RESERVE 0x100000
|
|
#define NT_DEF_COMMIT 0x1000
|
|
|
|
/* We use the .rdata section to hold read only data. */
|
|
#define _LIT ".rdata"
|
|
|
|
/********************** RELOCATION DIRECTIVES **********************/
|
|
struct external_reloc
|
|
{
|
|
char r_vaddr[4];
|
|
char r_symndx[4];
|
|
char r_type[2];
|
|
char r_offset[4];
|
|
};
|
|
|
|
#define RELOC struct external_reloc
|
|
#define RELSZ 14
|
|
|
|
/* ARM64 relocations types. */
|
|
|
|
|
|
#define IMAGE_REL_ARM64_ABSOLUTE 0x0000 /* No relocation required */
|
|
#define IMAGE_REL_ARM64_ADDR32 0x0001 /* The 32-bit VA of the target. */
|
|
#define IMAGE_REL_ARM64_ADDR32NB 0x0002 /* The 32-bit RVA of the target. */
|
|
#define IMAGE_REL_ARM64_BRANCH26 0x0003 /* The 26-bit relative displacement to the target, for B and BL instructions. */
|
|
#define IMAGE_REL_ARM64_PAGEBASE_REL21 0x0004 /* The page base of the target, for ADRP instruction. */
|
|
#define IMAGE_REL_ARM64_REL21 0x0005 /* The 12-bit relative displacement to the target, for instruction ADR */
|
|
#define IMAGE_REL_ARM64_PAGEOFFSET_12A 0x0006 /* The 12-bit page offset of the target, for instructions ADD/ADDS (immediate) with zero shift. */
|
|
#define IMAGE_REL_ARM64_PAGEOFFSET_12L 0x0007 /* The 12-bit page offset of the target, for instruction LDR (indexed, unsigned immediate). */
|
|
#define IMAGE_REL_ARM64_SECREL 0x0008 /* The 32-bit offset of the target from the beginning of its section. This is used to support debugging information and static thread local storage. */
|
|
#define IMAGE_REL_ARM64_SECREL_LOW12A 0x0009 /* Bit 0:11 of section offset of the target, for instructions ADD/ADDS (immediate) with zero shift. */
|
|
#define IMAGE_REL_ARM64_SECREL_HIGH12A 0x000A /* Bit 12:23 of section offset of the target, for instructions ADD/ADDS (immediate) with zero shift. */
|
|
#define IMAGE_REL_ARM64_SECREL_LOW12L 0x000B /* Bit 0:11 of section offset of the target, for instruction LDR (indexed, unsigned immediate). */
|
|
#define IMAGE_REL_ARM64_TOKEN 0x000C /* CLR token */
|
|
#define IMAGE_REL_ARM64_SECTION 0x000D /* The 16-bit section index of the section that contains the target. This is used to support debugging information. */
|
|
#define IMAGE_REL_ARM64_ADDR64 0x000E /* The 64-bit VA of the relocation target. */
|
|
#define IMAGE_REL_ARM64_BRANCH19 0x000F /* 19 bit offset << 2 & sign ext. for conditional B */
|
|
#define IMAGE_REL_ARM64_BRANCH14 0x0010 /* The 14-bit offset to the relocation target, for instructions TBZ and TBNZ. */
|
|
#define IMAGE_REL_ARM64_REL32 0x0011 /* The 32-bit relative address from the byte following the relocation. */
|
|
|
|
#define ARM_NOTE_SECTION ".note"
|