From 0949843db222949909c1cc15724459445105ea1b Mon Sep 17 00:00:00 2001 From: Nick Clifton Date: Tue, 30 Mar 2004 14:04:32 +0000 Subject: Add (linker) support for CR16C processor --- include/elf/ChangeLog | 6 ++ include/elf/common.h | 1 + include/elf/cr16c.h | 258 ++++++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 265 insertions(+) create mode 100644 include/elf/cr16c.h (limited to 'include') diff --git a/include/elf/ChangeLog b/include/elf/ChangeLog index 385b857..28ec205 100644 --- a/include/elf/ChangeLog +++ b/include/elf/ChangeLog @@ -1,3 +1,9 @@ +2004-30-30 Galit Heller + Tomer Levi + + * common.h (EM_CR): Define. + * cr16c.h: New file. + 2004-03-23 Paul Brook * arm.h (EF_ERM_BE8, EF_ARM_LE8, EF_ARM_EABI_VER3): Add. diff --git a/include/elf/common.h b/include/elf/common.h index bf233f6..8ebc2cf 100644 --- a/include/elf/common.h +++ b/include/elf/common.h @@ -180,6 +180,7 @@ #define EM_ARC_A5 93 /* ARC Cores Tangent-A5 */ #define EM_XTENSA 94 /* Tensilica Xtensa Architecture */ #define EM_IP2K 101 /* Ubicom IP2022 micro controller */ +#define EM_CR 103 /* National Semiconductor CompactRISC */ #define EM_MSP430 105 /* TI msp430 micro controller */ /* If it is necessary to assign new unofficial EM_* values, please pick large diff --git a/include/elf/cr16c.h b/include/elf/cr16c.h new file mode 100644 index 0000000..1a91afe --- /dev/null +++ b/include/elf/cr16c.h @@ -0,0 +1,258 @@ +/* CR16C ELF support for BFD. + Copyright 2004 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 2 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ + +#ifndef _ELF_CR16C_H +#define _ELF_CR16C_H + +#include "bfd.h" +#include "elf/reloc-macros.h" + +/* Creating indices for reloc_map_index array. */ +START_RELOC_NUMBERS (elf_cr16c_reloc_type) + RELOC_NUMBER (RINDEX_16C_NUM08, 0) + RELOC_NUMBER (RINDEX_16C_NUM08_C, 1) + RELOC_NUMBER (RINDEX_16C_NUM16, 2) + RELOC_NUMBER (RINDEX_16C_NUM16_C, 3) + RELOC_NUMBER (RINDEX_16C_NUM32, 4) + RELOC_NUMBER (RINDEX_16C_NUM32_C, 5) + RELOC_NUMBER (RINDEX_16C_DISP04, 6) + RELOC_NUMBER (RINDEX_16C_DISP04_C, 7) + RELOC_NUMBER (RINDEX_16C_DISP08, 8) + RELOC_NUMBER (RINDEX_16C_DISP08_C, 9) + RELOC_NUMBER (RINDEX_16C_DISP16, 10) + RELOC_NUMBER (RINDEX_16C_DISP16_C, 11) + RELOC_NUMBER (RINDEX_16C_DISP24, 12) + RELOC_NUMBER (RINDEX_16C_DISP24_C, 13) + RELOC_NUMBER (RINDEX_16C_DISP24a, 14) + RELOC_NUMBER (RINDEX_16C_DISP24a_C, 15) + RELOC_NUMBER (RINDEX_16C_REG04, 16) + RELOC_NUMBER (RINDEX_16C_REG04_C, 17) + RELOC_NUMBER (RINDEX_16C_REG04a, 18) + RELOC_NUMBER (RINDEX_16C_REG04a_C, 19) + RELOC_NUMBER (RINDEX_16C_REG14, 20) + RELOC_NUMBER (RINDEX_16C_REG14_C, 21) + RELOC_NUMBER (RINDEX_16C_REG16, 22) + RELOC_NUMBER (RINDEX_16C_REG16_C, 23) + RELOC_NUMBER (RINDEX_16C_REG20, 24) + RELOC_NUMBER (RINDEX_16C_REG20_C, 25) + RELOC_NUMBER (RINDEX_16C_ABS20, 26) + RELOC_NUMBER (RINDEX_16C_ABS20_C, 27) + RELOC_NUMBER (RINDEX_16C_ABS24, 28) + RELOC_NUMBER (RINDEX_16C_ABS24_C, 29) + RELOC_NUMBER (RINDEX_16C_IMM04, 30) + RELOC_NUMBER (RINDEX_16C_IMM04_C, 31) + RELOC_NUMBER (RINDEX_16C_IMM16, 32) + RELOC_NUMBER (RINDEX_16C_IMM16_C, 33) + RELOC_NUMBER (RINDEX_16C_IMM20, 34) + RELOC_NUMBER (RINDEX_16C_IMM20_C, 35) + RELOC_NUMBER (RINDEX_16C_IMM24, 36) + RELOC_NUMBER (RINDEX_16C_IMM24_C, 37) + RELOC_NUMBER (RINDEX_16C_IMM32, 38) + RELOC_NUMBER (RINDEX_16C_IMM32_C, 39) +END_RELOC_NUMBERS (RINDEX_16C_MAX) + +/* CR16C Relocation Types ('cr_reloc_type' entry in the reloc_map structure). + The relocation constant name is determined as follows : + + R_16C_[_C] + + Where : + + is one of the following: + NUM - R_NUMBER mnemonic, + DISP - R_16C_DISPL mnemonic, + REG - R_16C_REGREL mnemonic, + ABS - R_16C_ABS mnemonic, + IMM - R_16C_IMMED mnemonic, + stands for R_S_16C_ + _C means 'code label' and is only added when R_ADDRTYPE subfield + is of type R_CODE_ADDR. */ + +/* The table below shows what the hex digits in the definition of the + relocation type constants correspond to. + ------------------------------------------------------------------ + R_SIZESP R_FORMAT R_RELTO R_ADDRTYPE + ------------------------------------------------------------------ */ +/* R_S_16C_08 R_NUMBER R_ABS R_ADDRESS */ +#define R_16C_NUM08 0X0001 + +/* R_S_16C_08 R_NUMBER R_ABS R_CODE_ADDR */ +#define R_16C_NUM08_C 0X0006 + +/* R_S_16C_16 R_NUMBER R_ABS R_ADDRESS */ +#define R_16C_NUM16 0X1001 + +/* R_S_16C_16 R_NUMBER R_ABS R_CODE_ADDR */ +#define R_16C_NUM16_C 0X1006 + +/* R_S_16C_32 R_NUMBER R_ABS R_ADDRESS */ +#define R_16C_NUM32 0X2001 + +/* R_S_16C_32 R_NUMBER R_ABS R_CODE_ADDR */ +#define R_16C_NUM32_C 0X2006 + +/* R_S_16C_04 R_16C_DISPL R_PCREL R_ADDRESS */ +#define R_16C_DISP04 0X5411 + +/* R_S_16C_04 R_16C_DISPL R_PCREL R_CODE_ADDR */ +#define R_16C_DISP04_C 0X5416 + +/* R_S_16C_08 R_16C_DISPL R_PCREL R_ADDRESS */ +#define R_16C_DISP08 0X0411 + +/* R_S_16C_08 R_16C_DISPL R_PCREL R_CODE_ADDR */ +#define R_16C_DISP08_C 0X0416 + +/* R_S_16C_16 R_16C_DISPL R_PCREL R_ADDRESS */ +#define R_16C_DISP16 0X1411 + +/* R_S_16C_16 R_16C_DISPL R_PCREL R_CODE_ADDR */ +#define R_16C_DISP16_C 0X1416 + +/* R_S_16C_24 R_16C_DISPL R_PCREL R_ADDRESS */ +#define R_16C_DISP24 0X7411 + +/* R_S_16C_24 R_16C_DISPL R_PCREL R_CODE_ADDR */ +#define R_16C_DISP24_C 0X7416 + +/* R_S_16C_24a R_16C_DISPL R_PCREL R_ADDRESS */ +#define R_16C_DISP24a 0X6411 + +/* R_S_16C_24a R_16C_DISPL R_PCREL R_CODE_ADDR */ +#define R_16C_DISP24a_C 0X6416 + +/* R_S_16C_04 R_16C_REGREL R_ABS R_ADDRESS */ +#define R_16C_REG04 0X5201 + +/* R_S_16C_04 R_16C_REGREL R_ABS R_CODE_ADDR */ +#define R_16C_REG04_C 0X5206 + +/* R_S_16C_04_a R_16C_REGREL R_ABS R_ADDRESS */ +#define R_16C_REG04a 0X4201 + +/* R_S_16C_04_a R_16C_REGREL R_ABS R_CODE_ADDR */ +#define R_16C_REG04a_C 0X4206 + +/* R_S_16C_14 R_16C_REGREL R_ABS R_ADDRESS */ +#define R_16C_REG14 0X3201 + +/* R_S_16C_14 R_16C_REGREL R_ABS R_CODE_ADDR */ +#define R_16C_REG14_C 0X3206 + +/* R_S_16C_16 R_16C_REGREL R_ABS R_ADDRESS */ +#define R_16C_REG16 0X1201 + +/* R_S_16C_16 R_16C_REGREL R_ABS R_CODE_ADDR */ +#define R_16C_REG16_C 0X1206 + +/* R_S_16C_20 R_16C_REGREL R_ABS R_ADDRESS */ +#define R_16C_REG20 0X8201 + +/* R_S_16C_20 R_16C_REGREL R_ABS R_CODE_ADDR */ +#define R_16C_REG20_C 0X8206 + +/* R_S_16C_20 R_16C_ABS R_ABS R_ADDRESS */ +#define R_16C_ABS20 0X8101 + +/* R_S_16C_20 R_16C_ABS R_ABS R_CODE_ADDR */ +#define R_16C_ABS20_C 0X8106 + +/* R_S_16C_24 R_16C_ABS R_ABS R_ADDRESS */ +#define R_16C_ABS24 0X7101 + +/* R_S_16C_24 R_16C_ABS R_ABS R_CODE_ADDR */ +#define R_16C_ABS24_C 0X7106 + +/* R_S_16C_04 R_16C_IMMED R_ABS R_ADDRESS */ +#define R_16C_IMM04 0X5301 + +/* R_S_16C_04 R_16C_IMMED R_ABS R_CODE_ADDR */ +#define R_16C_IMM04_C 0X5306 + +/* R_S_16C_16 R_16C_IMMED R_ABS R_ADDRESS */ +#define R_16C_IMM16 0X1301 + +/* R_S_16C_16 R_16C_IMMED R_ABS R_CODE_ADDR */ +#define R_16C_IMM16_C 0X1306 + +/* R_S_16C_20 R_16C_IMMED R_ABS R_ADDRESS */ +#define R_16C_IMM20 0X8301 + +/* R_S_16C_20 R_16C_IMMED R_ABS R_CODE_ADDR */ +#define R_16C_IMM20_C 0X8306 + +/* R_S_16C_24 R_16C_IMMED R_ABS R_ADDRESS */ +#define R_16C_IMM24 0X7301 + +/* R_S_16C_24 R_16C_IMMED R_ABS R_CODE_ADDR */ +#define R_16C_IMM24_C 0X7306 + +/* R_S_16C_32 R_16C_IMMED R_ABS R_ADDRESS */ +#define R_16C_IMM32 0X2301 + +/* R_S_16C_32 R_16C_IMMED R_ABS R_CODE_ADDR */ +#define R_16C_IMM32_C 0X2306 + + +/* Relocation item type. */ +#define R_ADDRTYPE 0x000f +#define R_ADDRESS 0x0001 /* Take address of symbol. */ +#define R_CODE_ADDR 0x0006 /* Take address of symbol divided by 2. */ + +/* Relocation action. */ +#define R_RELTO 0x00f0 +#define R_ABS 0x0000 /* Keep symbol's address as such. */ +#define R_PCREL 0x0010 /* Subtract the pc address of hole. */ + +/* Relocation item data format. */ +#define R_FORMAT 0x0f00 +#define R_NUMBER 0x0000 /* Retain as two's complement value. */ +#define R_16C_DISPL 0x0400 /* CR16C displacement type. */ +#define R_16C_ABS 0x0100 /* CR16C absolute type. */ +#define R_16C_REGREL 0x0200 /* CR16C register-relative type. */ +#define R_16C_IMMED 0x0300 /* CR16C immediate type. */ + +/* Relocation item size. */ +#define R_SIZESP 0xf000 +#define R_S_16C_04 0x5000 +#define R_S_16C_04_a 0x4000 +#define R_S_16C_08 0x0000 +#define R_S_16C_14 0x3000 +#define R_S_16C_16 0x1000 +#define R_S_16C_20 0x8000 +#define R_S_16C_24_a 0x6000 +#define R_S_16C_24 0x7000 +#define R_S_16C_32 0x2000 + + +/* 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. */ + +/* Far common symbol. */ +#define SHN_CR16C_FCOMMON 0xff00 +#define SHN_CR16C_NCOMMON 0xff01 + +typedef struct reloc_map +{ + unsigned short cr_reloc_type; /* CR relocation type. */ + bfd_reloc_code_real_type bfd_reloc_enum; /* BFD relocation enum. */ +} RELOC_MAP; + +#endif /* _ELF_CR16C_H */ -- cgit v1.1