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/* RX ELF support for BFD. Copyright (C) 2008, 2009, 2010 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. */ #ifndef _ELF_RX_H #define _ELF_RX_H #include "elf/reloc-macros.h" /* Note that there are a few internal relocation types used by the linker to do link-time relaxation. If you update this file, please check elf32-rx.c to see if any of the internal relocations need to be, er, relocated. */ /* Preliminary relocations. */ START_RELOC_NUMBERS (elf_rx_reloc_type) RELOC_NUMBER (R_RX_NONE, 0x00) /* These are for data, and are bi-endian. */ RELOC_NUMBER (R_RX_DIR32, 0x01) /* Was: R_RX_32. */ RELOC_NUMBER (R_RX_DIR24S, 0x02) /* Was: R_RX_24. */ RELOC_NUMBER (R_RX_DIR16, 0x03) RELOC_NUMBER (R_RX_DIR16U, 0x04) /* Was: R_RX_16_UNS. */ RELOC_NUMBER (R_RX_DIR16S, 0x05) /* Was: R_RX_16. */ RELOC_NUMBER (R_RX_DIR8, 0x06) RELOC_NUMBER (R_RX_DIR8U, 0x07) /* Was: R_RX_8_UNS. */ RELOC_NUMBER (R_RX_DIR8S, 0x08) /* Was: R_RX_8. */ /* Signed pc-relative values. */ RELOC_NUMBER (R_RX_DIR24S_PCREL, 0x09) /* Was: R_RX_24_PCREL. */ RELOC_NUMBER (R_RX_DIR16S_PCREL, 0x0a) /* Was: R_RX_16_PCREL. */ RELOC_NUMBER (R_RX_DIR8S_PCREL, 0x0b) /* Was: R_RX_8_PCREL. */ /* These are for fields in the instructions. */ RELOC_NUMBER (R_RX_DIR16UL, 0x0c) RELOC_NUMBER (R_RX_DIR16UW, 0x0d) RELOC_NUMBER (R_RX_DIR8UL, 0x0e) RELOC_NUMBER (R_RX_DIR8UW, 0x0f) RELOC_NUMBER (R_RX_DIR32_REV, 0x10) RELOC_NUMBER (R_RX_DIR16_REV, 0x11) RELOC_NUMBER (R_RX_DIR3U_PCREL, 0x12) /* These are extensions added by Red Hat. */ RELOC_NUMBER (R_RX_RH_3_PCREL, 0x20) /* Like R_RX_DIR8S_PCREL but only 3-bits. */ RELOC_NUMBER (R_RX_RH_16_OP, 0x21) /* Like R_RX_DIR16 but for opcodes - always big endian. */ RELOC_NUMBER (R_RX_RH_24_OP, 0x22) /* Like R_RX_DIR24S but for opcodes - always big endian. */ RELOC_NUMBER (R_RX_RH_32_OP, 0x23) /* Like R_RX_DIR32 but for opcodes - always big endian. */ RELOC_NUMBER (R_RX_RH_24_UNS, 0x24) /* Like R_RX_DIR24S but for unsigned values. */ RELOC_NUMBER (R_RX_RH_8_NEG, 0x25) /* Like R_RX_DIR8 but -x is stored. */ RELOC_NUMBER (R_RX_RH_16_NEG, 0x26) /* Like R_RX_DIR16 but -x is stored. */ RELOC_NUMBER (R_RX_RH_24_NEG, 0x27) /* Like R_RX_DIR24S but -x is stored. */ RELOC_NUMBER (R_RX_RH_32_NEG, 0x28) /* Like R_RX_DIR32 but -x is stored. */ RELOC_NUMBER (R_RX_RH_DIFF, 0x29) /* Subtract from a previous relocation. */ RELOC_NUMBER (R_RX_RH_GPRELB, 0x2a) /* Byte value, relative to __gp. */ RELOC_NUMBER (R_RX_RH_GPRELW, 0x2b) /* Word value, relative to __gp. */ RELOC_NUMBER (R_RX_RH_GPRELL, 0x2c) /* Long value, relative to __gp. */ RELOC_NUMBER (R_RX_RH_RELAX, 0x2d) /* Marks opcodes suitable for linker relaxation. */ /* These are for complex relocs. */ RELOC_NUMBER (R_RX_ABS32, 0x41) RELOC_NUMBER (R_RX_ABS24S, 0x42) RELOC_NUMBER (R_RX_ABS16, 0x43) RELOC_NUMBER (R_RX_ABS16U, 0x44) RELOC_NUMBER (R_RX_ABS16S, 0x45) RELOC_NUMBER (R_RX_ABS8, 0x46) RELOC_NUMBER (R_RX_ABS8U, 0x47) RELOC_NUMBER (R_RX_ABS8S, 0x48) RELOC_NUMBER (R_RX_ABS24S_PCREL, 0x49) RELOC_NUMBER (R_RX_ABS16S_PCREL, 0x4a) RELOC_NUMBER (R_RX_ABS8S_PCREL, 0x4b) RELOC_NUMBER (R_RX_ABS16UL, 0x4c) RELOC_NUMBER (R_RX_ABS16UW, 0x4d) RELOC_NUMBER (R_RX_ABS8UL, 0x4e) RELOC_NUMBER (R_RX_ABS8UW, 0x4f) RELOC_NUMBER (R_RX_ABS32_REV, 0x50) RELOC_NUMBER (R_RX_ABS16_REV, 0x51) RELOC_NUMBER (R_RX_SYM, 0x80) RELOC_NUMBER (R_RX_OPneg, 0x81) RELOC_NUMBER (R_RX_OPadd, 0x82) RELOC_NUMBER (R_RX_OPsub, 0x83) RELOC_NUMBER (R_RX_OPmul, 0x84) RELOC_NUMBER (R_RX_OPdiv, 0x85) RELOC_NUMBER (R_RX_OPshla, 0x86) RELOC_NUMBER (R_RX_OPshra, 0x87) RELOC_NUMBER (R_RX_OPsctsize, 0x88) RELOC_NUMBER (R_RX_OPscttop, 0x8d) RELOC_NUMBER (R_RX_OPand, 0x90) RELOC_NUMBER (R_RX_OPor, 0x91) RELOC_NUMBER (R_RX_OPxor, 0x92) RELOC_NUMBER (R_RX_OPnot, 0x93) RELOC_NUMBER (R_RX_OPmod, 0x94) RELOC_NUMBER (R_RX_OPromtop, 0x95) RELOC_NUMBER (R_RX_OPramtop, 0x96) END_RELOC_NUMBERS (R_RX_max) #define EF_RX_CPU_RX 0x00000079 /* FIXME: correct value? */ #define EF_RX_CPU_MASK 0x0000007F /* specific cpu bits. */ #define EF_RX_ALL_FLAGS (EF_RX_CPU_MASK) /* Values for the e_flags field in the ELF header. */ #define E_FLAG_RX_64BIT_DOUBLES (1 << 0) #define E_FLAG_RX_DSP (1 << 1) /* Defined in the RX CPU Object file specification, but not explained. */ #define E_FLAG_RX_PID (1 << 2) /* Unofficial - DJ */ /* These define the addend field of R_RX_RH_RELAX relocations. */ #define RX_RELAXA_IMM6 0x00000010 /* Imm8/16/24/32 at bit offset 6. */ #define RX_RELAXA_IMM12 0x00000020 /* Imm8/16/24/32 at bit offset 12. */ #define RX_RELAXA_DSP4 0x00000040 /* Dsp0/8/16 at bit offset 4. */ #define RX_RELAXA_DSP6 0x00000080 /* Dsp0/8/16 at bit offset 6. */ #define RX_RELAXA_DSP14 0x00000100 /* Dsp0/8/16 at bit offset 14. */ #define RX_RELAXA_BRA 0x00000200 /* Any type of branch (must be decoded). */ #define RX_RELAXA_RNUM 0x0000000f /* Number of associated relocations. */ /* These mark the place where alignment is requested, and the place where the filler bytes end. */ #define RX_RELAXA_ALIGN 0x10000000 /* Start alignment; the remaining bits are the alignment value. */ #define RX_RELAXA_ELIGN 0x20000000 /* End alignment; the remaining bits are the alignment value. */ #define RX_RELAXA_ANUM 0x00ffffff /* Alignment amount, in bytes (i.e. .balign). */ #endif /* _ELF_RX_H */