2011-11-02 04:09:07 +01:00
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/* RL78 ELF support for BFD.
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2013-08-09 12:40:04 +02:00
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Copyright (C) 2008-2013 Free Software Foundation, Inc.
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2011-11-02 04:09:07 +01:00
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This file is part of BFD, the Binary File Descriptor library.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software Foundation,
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Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
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#ifndef _ELF_RL78_H
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#define _ELF_RL78_H
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#include "elf/reloc-macros.h"
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/* Note that there are a few internal relocation types used by the
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linker to do link-time relaxation. If you update this file, please
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check elf32-rl78.c to see if any of the internal relocations need to
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be, er, relocated. */
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/* Preliminary relocations. */
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START_RELOC_NUMBERS (elf_rl78_reloc_type)
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RELOC_NUMBER (R_RL78_NONE, 0x00)
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/* These are for data, and are bi-endian. */
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RELOC_NUMBER (R_RL78_DIR32, 0x01) /* Was: R_RL78_32. */
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RELOC_NUMBER (R_RL78_DIR24S, 0x02) /* Was: R_RL78_24. */
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RELOC_NUMBER (R_RL78_DIR16, 0x03)
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RELOC_NUMBER (R_RL78_DIR16U, 0x04) /* Was: R_RL78_16_UNS. */
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RELOC_NUMBER (R_RL78_DIR16S, 0x05) /* Was: R_RL78_16. */
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RELOC_NUMBER (R_RL78_DIR8, 0x06)
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RELOC_NUMBER (R_RL78_DIR8U, 0x07) /* Was: R_RL78_8_UNS. */
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RELOC_NUMBER (R_RL78_DIR8S, 0x08) /* Was: R_RL78_8. */
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/* Signed pc-relative values. */
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RELOC_NUMBER (R_RL78_DIR24S_PCREL, 0x09) /* Was: R_RL78_24_PCREL. */
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RELOC_NUMBER (R_RL78_DIR16S_PCREL, 0x0a) /* Was: R_RL78_16_PCREL. */
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RELOC_NUMBER (R_RL78_DIR8S_PCREL, 0x0b) /* Was: R_RL78_8_PCREL. */
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/* These are for fields in the instructions. */
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RELOC_NUMBER (R_RL78_DIR16UL, 0x0c)
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RELOC_NUMBER (R_RL78_DIR16UW, 0x0d)
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RELOC_NUMBER (R_RL78_DIR8UL, 0x0e)
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RELOC_NUMBER (R_RL78_DIR8UW, 0x0f)
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RELOC_NUMBER (R_RL78_DIR32_REV, 0x10)
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RELOC_NUMBER (R_RL78_DIR16_REV, 0x11)
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RELOC_NUMBER (R_RL78_DIR3U_PCREL, 0x12)
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2011-12-23 02:49:37 +01:00
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/* These are extensions added by Red Hat. */
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RELOC_NUMBER (R_RL78_RH_RELAX, 0x2d) /* Marks opcodes suitable for linker relaxation. */
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RELOC_NUMBER (R_RL78_RH_SFR, 0x2e) /* SFR addresses - internal use only. */
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RELOC_NUMBER (R_RL78_RH_SADDR, 0x2f) /* SADDR addresses - internal use only.. */
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2011-11-02 04:09:07 +01:00
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/* These are for complex relocs. */
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RELOC_NUMBER (R_RL78_ABS32, 0x41)
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RELOC_NUMBER (R_RL78_ABS24S, 0x42)
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RELOC_NUMBER (R_RL78_ABS16, 0x43)
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RELOC_NUMBER (R_RL78_ABS16U, 0x44)
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RELOC_NUMBER (R_RL78_ABS16S, 0x45)
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RELOC_NUMBER (R_RL78_ABS8, 0x46)
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RELOC_NUMBER (R_RL78_ABS8U, 0x47)
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RELOC_NUMBER (R_RL78_ABS8S, 0x48)
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RELOC_NUMBER (R_RL78_ABS24S_PCREL, 0x49)
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RELOC_NUMBER (R_RL78_ABS16S_PCREL, 0x4a)
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RELOC_NUMBER (R_RL78_ABS8S_PCREL, 0x4b)
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RELOC_NUMBER (R_RL78_ABS16UL, 0x4c)
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RELOC_NUMBER (R_RL78_ABS16UW, 0x4d)
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RELOC_NUMBER (R_RL78_ABS8UL, 0x4e)
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RELOC_NUMBER (R_RL78_ABS8UW, 0x4f)
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RELOC_NUMBER (R_RL78_ABS32_REV, 0x50)
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RELOC_NUMBER (R_RL78_ABS16_REV, 0x51)
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RELOC_NUMBER (R_RL78_SYM, 0x80)
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RELOC_NUMBER (R_RL78_OPneg, 0x81)
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RELOC_NUMBER (R_RL78_OPadd, 0x82)
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RELOC_NUMBER (R_RL78_OPsub, 0x83)
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RELOC_NUMBER (R_RL78_OPmul, 0x84)
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RELOC_NUMBER (R_RL78_OPdiv, 0x85)
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RELOC_NUMBER (R_RL78_OPshla, 0x86)
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RELOC_NUMBER (R_RL78_OPshra, 0x87)
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RELOC_NUMBER (R_RL78_OPsctsize, 0x88)
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RELOC_NUMBER (R_RL78_OPscttop, 0x8d)
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RELOC_NUMBER (R_RL78_OPand, 0x90)
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RELOC_NUMBER (R_RL78_OPor, 0x91)
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RELOC_NUMBER (R_RL78_OPxor, 0x92)
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RELOC_NUMBER (R_RL78_OPnot, 0x93)
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RELOC_NUMBER (R_RL78_OPmod, 0x94)
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RELOC_NUMBER (R_RL78_OPromtop, 0x95)
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RELOC_NUMBER (R_RL78_OPramtop, 0x96)
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END_RELOC_NUMBERS (R_RL78_max)
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#define EF_RL78_CPU_RL78 0x00000079 /* FIXME: correct value? */
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#define EF_RL78_CPU_MASK 0x0000007F /* specific cpu bits. */
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#define EF_RL78_ALL_FLAGS (EF_RL78_CPU_MASK)
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/* Values for the e_flags field in the ELF header. */
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#define E_FLAG_RL78_64BIT_DOUBLES (1 << 0)
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2011-11-02 04:09:07 +01:00
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#define E_FLAG_RL78_DSP (1 << 1) /* Defined in the RL78 CPU Object file specification, but not explained. */
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#define E_FLAG_RL78_G10 (1 << 2) /* CPU is missing register banks 1-3, so uses different ABI. */
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2011-11-02 04:09:07 +01:00
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/* These define the addend field of R_RL78_RH_RELAX relocations. */
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2011-12-23 02:49:37 +01:00
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#define RL78_RELAXA_BRA 0x00000010 /* Any type of branch (must be decoded). */
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#define RL78_RELAXA_ADDR16 0x00000020 /* addr16->sfr/saddr opportunity */
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2011-11-02 04:09:07 +01:00
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#define RL78_RELAXA_RNUM 0x0000000f /* Number of associated relocations. */
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/* These mark the place where alignment is requested, and the place where the filler bytes end. */
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#define RL78_RELAXA_ALIGN 0x10000000 /* Start alignment; the remaining bits are the alignment value. */
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#define RL78_RELAXA_ELIGN 0x20000000 /* End alignment; the remaining bits are the alignment value. */
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#define RL78_RELAXA_ANUM 0x00ffffff /* Alignment amount, in bytes (i.e. .balign). */
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#endif /* _ELF_RL78_H */
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