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authorNick Clifton <nickc@redhat.com>2004-03-30 14:04:32 +0000
committerNick Clifton <nickc@redhat.com>2004-03-30 14:04:32 +0000
commit0949843db222949909c1cc15724459445105ea1b (patch)
tree67f494d7588ecdf38c9a0c3c385d6e0c5ec23804 /include
parentbaaff79e16566902d0e30816bc3fe6b6fb12c323 (diff)
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Add (linker) support for CR16C processor
Diffstat (limited to 'include')
-rw-r--r--include/elf/ChangeLog6
-rw-r--r--include/elf/common.h1
-rw-r--r--include/elf/cr16c.h258
3 files changed, 265 insertions, 0 deletions
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 <Galit.Heller@nsc.com>
+ Tomer Levi <Tomer.Levi@nsc.com>
+
+ * common.h (EM_CR): Define.
+ * cr16c.h: New file.
+
2004-03-23 Paul Brook <paul@codesourcery.com>
* 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_<format><size>[_C]
+
+ Where :
+
+ <format> 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,
+ <size> stands for R_S_16C_<size>
+ _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 */