299 lines
12 KiB
C
299 lines
12 KiB
C
/* NDS32 ELF support for BFD.
|
|
Copyright (C) 2012-2015 Free Software Foundation, Inc.
|
|
Contributed by Andes Technology Corporation.
|
|
|
|
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 _ELF_NDS32_H
|
|
#define _ELF_NDS32_H
|
|
|
|
#include "elf/reloc-macros.h"
|
|
|
|
/* Relocations. */
|
|
START_RELOC_NUMBERS (elf_nds32_reloc_type)
|
|
RELOC_NUMBER (R_NDS32_NONE, 0)
|
|
/* REL relocations. */
|
|
RELOC_NUMBER (R_NDS32_16, 1)
|
|
RELOC_NUMBER (R_NDS32_32, 2)
|
|
RELOC_NUMBER (R_NDS32_20, 3)
|
|
RELOC_NUMBER (R_NDS32_9_PCREL, 4)
|
|
RELOC_NUMBER (R_NDS32_15_PCREL, 5)
|
|
RELOC_NUMBER (R_NDS32_17_PCREL, 6)
|
|
RELOC_NUMBER (R_NDS32_25_PCREL, 7)
|
|
RELOC_NUMBER (R_NDS32_HI20, 8)
|
|
RELOC_NUMBER (R_NDS32_LO12S3, 9)
|
|
RELOC_NUMBER (R_NDS32_LO12S2, 10)
|
|
RELOC_NUMBER (R_NDS32_LO12S1, 11)
|
|
RELOC_NUMBER (R_NDS32_LO12S0, 12)
|
|
RELOC_NUMBER (R_NDS32_SDA15S3, 13)
|
|
RELOC_NUMBER (R_NDS32_SDA15S2, 14)
|
|
RELOC_NUMBER (R_NDS32_SDA15S1, 15)
|
|
RELOC_NUMBER (R_NDS32_SDA15S0, 16)
|
|
RELOC_NUMBER (R_NDS32_GNU_VTINHERIT, 17)
|
|
RELOC_NUMBER (R_NDS32_GNU_VTENTRY, 18)
|
|
|
|
/* RELA relocations. */
|
|
RELOC_NUMBER (R_NDS32_16_RELA, 19)
|
|
RELOC_NUMBER (R_NDS32_32_RELA, 20)
|
|
RELOC_NUMBER (R_NDS32_20_RELA, 21)
|
|
RELOC_NUMBER (R_NDS32_9_PCREL_RELA, 22)
|
|
RELOC_NUMBER (R_NDS32_15_PCREL_RELA, 23)
|
|
RELOC_NUMBER (R_NDS32_17_PCREL_RELA, 24)
|
|
RELOC_NUMBER (R_NDS32_25_PCREL_RELA, 25)
|
|
RELOC_NUMBER (R_NDS32_HI20_RELA, 26)
|
|
RELOC_NUMBER (R_NDS32_LO12S3_RELA, 27)
|
|
RELOC_NUMBER (R_NDS32_LO12S2_RELA, 28)
|
|
RELOC_NUMBER (R_NDS32_LO12S1_RELA, 29)
|
|
RELOC_NUMBER (R_NDS32_LO12S0_RELA, 30)
|
|
RELOC_NUMBER (R_NDS32_SDA15S3_RELA, 31)
|
|
RELOC_NUMBER (R_NDS32_SDA15S2_RELA, 32)
|
|
RELOC_NUMBER (R_NDS32_SDA15S1_RELA, 33)
|
|
RELOC_NUMBER (R_NDS32_SDA15S0_RELA, 34)
|
|
RELOC_NUMBER (R_NDS32_RELA_GNU_VTINHERIT, 35)
|
|
RELOC_NUMBER (R_NDS32_RELA_GNU_VTENTRY, 36)
|
|
|
|
RELOC_NUMBER (R_NDS32_GOT20, 37)
|
|
RELOC_NUMBER (R_NDS32_25_PLTREL, 38)
|
|
RELOC_NUMBER (R_NDS32_COPY, 39)
|
|
RELOC_NUMBER (R_NDS32_GLOB_DAT, 40)
|
|
RELOC_NUMBER (R_NDS32_JMP_SLOT, 41)
|
|
RELOC_NUMBER (R_NDS32_RELATIVE, 42)
|
|
RELOC_NUMBER (R_NDS32_GOTOFF, 43)
|
|
RELOC_NUMBER (R_NDS32_GOTPC20, 44)
|
|
RELOC_NUMBER (R_NDS32_GOT_HI20, 45)
|
|
RELOC_NUMBER (R_NDS32_GOT_LO12, 46)
|
|
RELOC_NUMBER (R_NDS32_GOTPC_HI20, 47)
|
|
RELOC_NUMBER (R_NDS32_GOTPC_LO12, 48)
|
|
RELOC_NUMBER (R_NDS32_GOTOFF_HI20, 49)
|
|
RELOC_NUMBER (R_NDS32_GOTOFF_LO12, 50)
|
|
RELOC_NUMBER (R_NDS32_INSN16, 51)
|
|
RELOC_NUMBER (R_NDS32_LABEL, 52)
|
|
RELOC_NUMBER (R_NDS32_LONGCALL1, 53)
|
|
RELOC_NUMBER (R_NDS32_LONGCALL2, 54)
|
|
RELOC_NUMBER (R_NDS32_LONGCALL3, 55)
|
|
RELOC_NUMBER (R_NDS32_LONGJUMP1, 56)
|
|
RELOC_NUMBER (R_NDS32_LONGJUMP2, 57)
|
|
RELOC_NUMBER (R_NDS32_LONGJUMP3, 58)
|
|
RELOC_NUMBER (R_NDS32_LOADSTORE, 59)
|
|
RELOC_NUMBER (R_NDS32_9_FIXED_RELA, 60)
|
|
RELOC_NUMBER (R_NDS32_15_FIXED_RELA, 61)
|
|
RELOC_NUMBER (R_NDS32_17_FIXED_RELA, 62)
|
|
RELOC_NUMBER (R_NDS32_25_FIXED_RELA, 63)
|
|
RELOC_NUMBER (R_NDS32_PLTREL_HI20, 64) /* This is obsoleted. */
|
|
RELOC_NUMBER (R_NDS32_PLTREL_LO12, 65) /* This is obsoleted. */
|
|
RELOC_NUMBER (R_NDS32_PLT_GOTREL_HI20, 66)
|
|
RELOC_NUMBER (R_NDS32_PLT_GOTREL_LO12, 67)
|
|
RELOC_NUMBER (R_NDS32_SDA12S2_DP_RELA, 68)
|
|
RELOC_NUMBER (R_NDS32_SDA12S2_SP_RELA, 69)
|
|
RELOC_NUMBER (R_NDS32_LO12S2_DP_RELA, 70)
|
|
RELOC_NUMBER (R_NDS32_LO12S2_SP_RELA, 71)
|
|
RELOC_NUMBER (R_NDS32_LO12S0_ORI_RELA, 72)
|
|
RELOC_NUMBER (R_NDS32_SDA16S3_RELA, 73)
|
|
RELOC_NUMBER (R_NDS32_SDA17S2_RELA, 74)
|
|
RELOC_NUMBER (R_NDS32_SDA18S1_RELA, 75)
|
|
RELOC_NUMBER (R_NDS32_SDA19S0_RELA, 76)
|
|
RELOC_NUMBER (R_NDS32_DWARF2_OP1_RELA, 77)
|
|
RELOC_NUMBER (R_NDS32_DWARF2_OP2_RELA, 78)
|
|
RELOC_NUMBER (R_NDS32_DWARF2_LEB_RELA, 79)
|
|
RELOC_NUMBER (R_NDS32_UPDATE_TA_RELA, 80) /* This is obsoleted. */
|
|
RELOC_NUMBER (R_NDS32_9_PLTREL, 81)
|
|
RELOC_NUMBER (R_NDS32_PLT_GOTREL_LO20, 82)
|
|
RELOC_NUMBER (R_NDS32_PLT_GOTREL_LO15, 83)
|
|
RELOC_NUMBER (R_NDS32_PLT_GOTREL_LO19, 84)
|
|
RELOC_NUMBER (R_NDS32_GOT_LO15, 85)
|
|
RELOC_NUMBER (R_NDS32_GOT_LO19, 86)
|
|
RELOC_NUMBER (R_NDS32_GOTOFF_LO15, 87)
|
|
RELOC_NUMBER (R_NDS32_GOTOFF_LO19, 88)
|
|
RELOC_NUMBER (R_NDS32_GOT15S2_RELA, 89)
|
|
RELOC_NUMBER (R_NDS32_GOT17S2_RELA, 90)
|
|
RELOC_NUMBER (R_NDS32_5_RELA, 91)
|
|
RELOC_NUMBER (R_NDS32_10_UPCREL_RELA, 92) /* This is obsoleted. */
|
|
RELOC_NUMBER (R_NDS32_SDA_FP7U2_RELA, 93)
|
|
RELOC_NUMBER (R_NDS32_WORD_9_PCREL_RELA, 94)
|
|
RELOC_NUMBER (R_NDS32_25_ABS_RELA, 95)
|
|
RELOC_NUMBER (R_NDS32_17IFC_PCREL_RELA, 96)
|
|
RELOC_NUMBER (R_NDS32_10IFCU_PCREL_RELA, 97)
|
|
RELOC_NUMBER (R_NDS32_TLS_LE_HI20, 98)
|
|
RELOC_NUMBER (R_NDS32_TLS_LE_LO12, 99)
|
|
RELOC_NUMBER (R_NDS32_TLS_IE_HI20, 100)
|
|
RELOC_NUMBER (R_NDS32_TLS_IE_LO12S2, 101)
|
|
RELOC_NUMBER (R_NDS32_TLS_TPOFF, 102)
|
|
RELOC_NUMBER (R_NDS32_TLS_LE_20, 103)
|
|
RELOC_NUMBER (R_NDS32_TLS_LE_15S0, 104)
|
|
RELOC_NUMBER (R_NDS32_TLS_LE_15S1, 105)
|
|
RELOC_NUMBER (R_NDS32_TLS_LE_15S2, 106)
|
|
RELOC_NUMBER (R_NDS32_LONGCALL4, 107)
|
|
RELOC_NUMBER (R_NDS32_LONGCALL5, 108)
|
|
RELOC_NUMBER (R_NDS32_LONGCALL6, 109)
|
|
RELOC_NUMBER (R_NDS32_LONGJUMP4, 110)
|
|
RELOC_NUMBER (R_NDS32_LONGJUMP5, 111)
|
|
RELOC_NUMBER (R_NDS32_LONGJUMP6, 112)
|
|
RELOC_NUMBER (R_NDS32_LONGJUMP7, 113)
|
|
|
|
RELOC_NUMBER (R_NDS32_RELAX_ENTRY, 192)
|
|
RELOC_NUMBER (R_NDS32_GOT_SUFF, 193)
|
|
RELOC_NUMBER (R_NDS32_GOTOFF_SUFF, 194)
|
|
RELOC_NUMBER (R_NDS32_PLT_GOT_SUFF, 195)
|
|
RELOC_NUMBER (R_NDS32_MULCALL_SUFF, 196) /* This is obsoleted. */
|
|
RELOC_NUMBER (R_NDS32_PTR, 197)
|
|
RELOC_NUMBER (R_NDS32_PTR_COUNT, 198)
|
|
RELOC_NUMBER (R_NDS32_PTR_RESOLVED, 199)
|
|
RELOC_NUMBER (R_NDS32_PLTBLOCK, 200) /* This is obsoleted. */
|
|
RELOC_NUMBER (R_NDS32_RELAX_REGION_BEGIN, 201)
|
|
RELOC_NUMBER (R_NDS32_RELAX_REGION_END, 202)
|
|
RELOC_NUMBER (R_NDS32_MINUEND, 203)
|
|
RELOC_NUMBER (R_NDS32_SUBTRAHEND, 204)
|
|
RELOC_NUMBER (R_NDS32_DIFF8, 205)
|
|
RELOC_NUMBER (R_NDS32_DIFF16, 206)
|
|
RELOC_NUMBER (R_NDS32_DIFF32, 207)
|
|
RELOC_NUMBER (R_NDS32_DIFF_ULEB128, 208)
|
|
RELOC_NUMBER (R_NDS32_DATA, 209)
|
|
RELOC_NUMBER (R_NDS32_TRAN, 210)
|
|
RELOC_NUMBER (R_NDS32_TLS_LE_ADD, 211)
|
|
RELOC_NUMBER (R_NDS32_TLS_LE_LS, 212)
|
|
RELOC_NUMBER (R_NDS32_EMPTY, 213)
|
|
|
|
END_RELOC_NUMBERS (R_NDS32_max)
|
|
|
|
/* Processor specific section indices. These sections do not actually
|
|
exist. Symbols with a st_shndx field corresponding to one of these
|
|
values have a special meaning. */
|
|
|
|
/* Processor specific flags for the ELF header e_flags field.
|
|
|
|
31 28 27 8 7 4 3 0
|
|
---------------------------------------------
|
|
| ARCH | CONFUGURAION FIELD | ABI | ELF_VER |
|
|
--------------------------------------------- */
|
|
|
|
/* Architechure definition. */
|
|
|
|
/* 4-bit (b31-b28) nds32 architecture field.
|
|
We can have up to 15 architectures; 0000 is for unknown. */
|
|
#define EF_NDS_ARCH 0xF0000000
|
|
#define EF_NDS_ARCH_SHIFT 28
|
|
/* There could be more architectures. For now, only n1 and n1h. */
|
|
#define E_NDS_ARCH_STAR_RESERVED 0x00000000
|
|
#define E_NDS_ARCH_STAR_V1_0 0x10000000
|
|
#define E_NDS_ARCH_STAR_V2_0 0x20000000
|
|
#define E_NDS_ARCH_STAR_V3_0 0x30000000
|
|
#define E_NDS_ARCH_STAR_V3_M 0x40000000
|
|
#define E_NDS_ARCH_STAR_V0_9 0x90000000 /* Obsoleted. */
|
|
/* n1 code. */
|
|
#define E_N1_ARCH E_NDS_ARCH_STAR_V0_9
|
|
/* n1h code. */
|
|
#define E_N1H_ARCH E_NDS_ARCH_STAR_V1_0
|
|
|
|
|
|
/* Configuration field definitioans. */
|
|
#define EF_NDS_INST 0x0FFFFF00
|
|
|
|
/* E_NDS_ARCH_STAR_V1_0 configuration fields.
|
|
|
|
E_NDS_ARCH_STAR_V2_0 configuration fields.
|
|
These are discarded in v2.
|
|
* E_NDS32_HAS_MFUSR_PC_INST 0x00000100
|
|
* E_NDS32_HAS_DIV_INST 0x00002000
|
|
* E_NDS32_HAS_NO_MAC_INST 0x00100000
|
|
These are added in v2.
|
|
* E_NDS32_HAS_DIV_DX_INST 0x00002000
|
|
* E_NDS32_HAS_MAC_DX_INST 0x00100000 */
|
|
|
|
/* MFUSR rt, PC and correct ISYNC, MSYNC instructions.
|
|
Old N1213HC has no such instructions. */
|
|
#define E_NDS32_HAS_MFUSR_PC_INST 0x00000100 /* Reclaimed. */
|
|
#define E_NDS32_HAS_EX9_INST 0x00000100 /* v3, ELF 1.4. */
|
|
/* C/C++ performance extension instructions. */
|
|
#define E_NDS32_HAS_EXT_INST 0x00000200
|
|
/* Performance extension set II instructions. */
|
|
#define E_NDS32_HAS_EXT2_INST 0x00000400
|
|
/* Single precision Floating point processor instructions. */
|
|
#define E_NDS32_HAS_FPU_INST 0x00000800
|
|
/* Audio instructions with 32-bit audio dx.lo register. */
|
|
#define E_NDS32_HAS_AUDIO_INST 0x00001000
|
|
/* DIV instructions. */
|
|
#define E_NDS32_HAS_DIV_INST 0x00002000 /* Reclaimed. */
|
|
/* DIV instructions using d0/d1. */
|
|
#define E_NDS32_HAS_DIV_DX_INST 0x00002000 /* v2. */
|
|
/* 16-bit instructions. */
|
|
#define E_NDS32_HAS_16BIT_INST 0x00004000 /* Reclaimed. */
|
|
#define E_NDS32_HAS_IFC_INST 0x00004000 /* v3, ELF 1.4. */
|
|
/* String operation instructions. */
|
|
#define E_NDS32_HAS_STRING_INST 0x00008000
|
|
/* Reduced register file. */
|
|
#define E_NDS32_HAS_REDUCED_REGS 0x00010000
|
|
/* Video instructions. */
|
|
#define E_NDS32_HAS_VIDEO_INST 0x00020000 /* Reclaimed. */
|
|
#define E_NDS32_HAS_SATURATION_INST 0x00020000 /* v3, ELF 1.4. */
|
|
/* Encription instructions. */
|
|
#define E_NDS32_HAS_ENCRIPT_INST 0x00040000
|
|
/* Doulbe Precision Floating point processor instructions. */
|
|
#define E_NDS32_HAS_FPU_DP_INST 0x00080000
|
|
/* No MAC instruction used. */
|
|
#define E_NDS32_HAS_NO_MAC_INST 0x00100000 /* Reclaimed when V2/V3. */
|
|
/* MAC instruction using d0/d1. */
|
|
#define E_NDS32_HAS_MAC_DX_INST 0x00100000 /* v2. */
|
|
/* L2 cache instruction. */
|
|
#define E_NDS32_HAS_L2C_INST 0x00200000
|
|
/* FPU registers configuration when FPU SP/DP presents; 0x00c00000. */
|
|
#define E_NDS32_FPU_REG_CONF_SHIFT 22
|
|
#define E_NDS32_FPU_REG_CONF (0x3 << E_NDS32_FPU_REG_CONF_SHIFT)
|
|
#define E_NDS32_FPU_REG_8SP_4DP 0x0
|
|
#define E_NDS32_FPU_REG_16SP_8DP 0x1
|
|
#define E_NDS32_FPU_REG_32SP_16DP 0x2
|
|
#define E_NDS32_FPU_REG_32SP_32DP 0x3
|
|
/* FPU MAC instruction used. */
|
|
#define E_NDS32_HAS_FPU_MAC_INST 0x01000000
|
|
/* <<<Empty Check>>>. */
|
|
#define E_NDS32_NULL 0x02000000
|
|
/* PIC enabled. */
|
|
#define E_NDS32_HAS_PIC 0x04000000
|
|
/* Use custom section. */
|
|
#define E_NDS32_HAS_CUSTOM_SEC 0x08000000
|
|
|
|
/* 4-bit for ABI signature, allow up to 16 ABIs
|
|
0: for OLD ABI V0, phase out
|
|
1: for V1 , starting with V0 toolchain
|
|
2: for V2
|
|
3: for V2FP (fs0, fs1 as function parameter)
|
|
4: for AABI */
|
|
/* Only old N1213HC use V0.
|
|
New ABI is used due to return register is changed to r0 from r5. */
|
|
#define EF_NDS_ABI 0x000000F0
|
|
#define EF_NDS_ABI_SHIFT 4
|
|
#define E_NDS_ABI_V0 0x00000000
|
|
#define E_NDS_ABI_V1 0x00000010
|
|
#define E_NDS_ABI_V2 0x00000020
|
|
#define E_NDS_ABI_V2FP 0x00000030
|
|
#define E_NDS_ABI_AABI 0x00000040
|
|
#define E_NDS_ABI_V2FP_PLUS 0x00000050
|
|
|
|
/* This flag signifies the version of Andes ELF.
|
|
Some more information may exist somewhere which is TBD. */
|
|
#define EF_NDS32_ELF_VERSION 0x0000000F
|
|
#define EF_NDS32_ELF_VERSION_SHIFT 0
|
|
|
|
/* Andes ELF Version 1.3 and before. */
|
|
#define E_NDS32_ELF_VER_1_2 0x0
|
|
/* Andes ELF Version 1.31. */
|
|
#define E_NDS32_ELF_VER_1_3 0x1
|
|
/* Andes ELF Version 1.4. Change the way we fix .debug_* and .gcc_except_table.
|
|
Change three bit for EX9, IFC and SAT. */
|
|
#define E_NDS32_ELF_VER_1_4 0x2
|
|
|
|
#endif
|