2000-05-12 23:15:20 +00:00
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/* SH ELF support for BFD.
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2002-02-22 04:18:42 +00:00
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Copyright 1998, 2000, 2001, 2002 Free Software Foundation, Inc.
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2000-05-12 23:15:20 +00:00
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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 2 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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#ifndef _ELF_SH_H
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#define _ELF_SH_H
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/* Processor specific flags for the ELF header e_flags field. */
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#define EF_SH_MACH_MASK 0x1f
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#define EF_SH_UNKNOWN 0 /* For backwards compatibility. */
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#define EF_SH1 1
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#define EF_SH2 2
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#define EF_SH3 3
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#define EF_SH_HAS_DSP(flags) ((flags) & 4)
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#define EF_SH_DSP 4
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#define EF_SH3_DSP 5
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#define EF_SH_HAS_FP(flags) ((flags) & 8)
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#define EF_SH3E 8
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#define EF_SH4 9
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2002-02-22 04:18:42 +00:00
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/* This one can only mix in objects from other EF_SH5 objects. */
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#define EF_SH5 10
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2000-05-12 23:15:20 +00:00
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#define EF_SH_MERGE_MACH(mach1, mach2) \
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(((((mach1) == EF_SH3 || (mach1) == EF_SH_UNKNOWN) && (mach2) == EF_SH_DSP) \
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|| ((mach1) == EF_SH_DSP \
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&& ((mach2) == EF_SH3 || (mach2) == EF_SH_UNKNOWN))) \
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? EF_SH3_DSP \
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: (((mach1) < EF_SH3 && (mach2) == EF_SH_UNKNOWN) \
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|| ((mach2) < EF_SH3 && (mach1) == EF_SH_UNKNOWN)) \
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? EF_SH3 \
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: (((mach1) == EF_SH3E && (mach2) == EF_SH_UNKNOWN) \
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|| ((mach2) == EF_SH3E && (mach1) == EF_SH_UNKNOWN)) \
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? EF_SH4 \
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: ((mach1) > (mach2) ? (mach1) : (mach2)))
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2002-02-22 04:18:42 +00:00
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/* Flags for the st_other symbol field.
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Keep away from the STV_ visibility flags (bit 0..1). */
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/* A reference to this symbol should by default add 1. */
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#define STO_SH5_ISA32 (1 << 2)
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/* Section contains only SHmedia code (no SHcompact code). */
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#define SHF_SH5_ISA32 0x40000000
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/* Section contains both SHmedia and SHcompact code, and possibly also
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constants. */
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#define SHF_SH5_ISA32_MIXED 0x20000000
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/* If applied to a .cranges section, marks that the section is sorted by
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increasing cr_addr values. */
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#define SHT_SH5_CR_SORTED 0x80000001
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/* Symbol should be handled as DataLabel (attached to global SHN_UNDEF
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symbols). */
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#define STT_DATALABEL STT_LOPROC
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#define SH64_CRANGES_SECTION_NAME ".cranges"
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enum sh64_elf_cr_type {
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CRT_NONE = 0,
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CRT_DATA = 1,
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CRT_SH5_ISA16 = 2,
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CRT_SH5_ISA32 = 3
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};
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/* The official definition is this:
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typedef struct {
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Elf32_Addr cr_addr;
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Elf32_Word cr_size;
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Elf32_Half cr_type;
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} Elf32_CRange;
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but we have no use for that exact type. Instead we use this struct for
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the internal representation. */
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typedef struct {
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bfd_vma cr_addr;
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bfd_size_type cr_size;
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enum sh64_elf_cr_type cr_type;
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} sh64_elf_crange;
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#define SH64_CRANGE_SIZE (4 + 4 + 2)
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#define SH64_CRANGE_CR_ADDR_OFFSET 0
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#define SH64_CRANGE_CR_SIZE_OFFSET 4
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#define SH64_CRANGE_CR_TYPE_OFFSET (4 + 4)
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/* Get the contents type of an arbitrary address, or return CRT_NONE. */
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extern enum sh64_elf_cr_type sh64_get_contents_type
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PARAMS ((asection *, bfd_vma, sh64_elf_crange *));
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/* Simpler interface.
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FIXME: This seems redundant now that we export the interface above. */
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extern boolean sh64_address_is_shmedia PARAMS ((asection *, bfd_vma));
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/* We put this in elf_section_data (section)->tdata. */
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struct sh64_section_data
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{
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flagword contents_flags;
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/* Only used in the cranges section, but we don't have an official
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backend-specific bfd field. */
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bfd_size_type cranges_growth;
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};
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#define sh64_elf_section_data(sec) \
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((struct sh64_section_data *) ((elf_section_data (sec))->tdata))
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2000-05-12 23:15:20 +00:00
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#include "elf/reloc-macros.h"
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/* Relocations. */
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/* Relocations 25ff are GNU extensions.
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25..33 are used for relaxation and use the same constants as COFF uses. */
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START_RELOC_NUMBERS (elf_sh_reloc_type)
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RELOC_NUMBER (R_SH_NONE, 0)
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RELOC_NUMBER (R_SH_DIR32, 1)
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RELOC_NUMBER (R_SH_REL32, 2)
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RELOC_NUMBER (R_SH_DIR8WPN, 3)
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RELOC_NUMBER (R_SH_IND12W, 4)
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RELOC_NUMBER (R_SH_DIR8WPL, 5)
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RELOC_NUMBER (R_SH_DIR8WPZ, 6)
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RELOC_NUMBER (R_SH_DIR8BP, 7)
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RELOC_NUMBER (R_SH_DIR8W, 8)
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RELOC_NUMBER (R_SH_DIR8L, 9)
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FAKE_RELOC (R_SH_FIRST_INVALID_RELOC, 10)
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FAKE_RELOC (R_SH_LAST_INVALID_RELOC, 24)
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RELOC_NUMBER (R_SH_SWITCH16, 25)
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RELOC_NUMBER (R_SH_SWITCH32, 26)
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RELOC_NUMBER (R_SH_USES, 27)
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RELOC_NUMBER (R_SH_COUNT, 28)
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RELOC_NUMBER (R_SH_ALIGN, 29)
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RELOC_NUMBER (R_SH_CODE, 30)
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RELOC_NUMBER (R_SH_DATA, 31)
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RELOC_NUMBER (R_SH_LABEL, 32)
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RELOC_NUMBER (R_SH_SWITCH8, 33)
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RELOC_NUMBER (R_SH_GNU_VTINHERIT, 34)
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RELOC_NUMBER (R_SH_GNU_VTENTRY, 35)
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2001-05-28 05:21:37 +00:00
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RELOC_NUMBER (R_SH_LOOP_START, 36)
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RELOC_NUMBER (R_SH_LOOP_END, 37)
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FAKE_RELOC (R_SH_FIRST_INVALID_RELOC_2, 38)
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2002-02-22 04:18:42 +00:00
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FAKE_RELOC (R_SH_LAST_INVALID_RELOC_2, 44)
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RELOC_NUMBER (R_SH_DIR5U, 45)
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RELOC_NUMBER (R_SH_DIR6U, 46)
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RELOC_NUMBER (R_SH_DIR6S, 47)
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RELOC_NUMBER (R_SH_DIR10S, 48)
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RELOC_NUMBER (R_SH_DIR10SW, 49)
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RELOC_NUMBER (R_SH_DIR10SL, 50)
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RELOC_NUMBER (R_SH_DIR10SQ, 51)
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FAKE_RELOC (R_SH_FIRST_INVALID_RELOC_3, 52)
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FAKE_RELOC (R_SH_LAST_INVALID_RELOC_3, 159)
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2001-05-28 05:21:37 +00:00
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RELOC_NUMBER (R_SH_GOT32, 160)
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RELOC_NUMBER (R_SH_PLT32, 161)
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RELOC_NUMBER (R_SH_COPY, 162)
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RELOC_NUMBER (R_SH_GLOB_DAT, 163)
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RELOC_NUMBER (R_SH_JMP_SLOT, 164)
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RELOC_NUMBER (R_SH_RELATIVE, 165)
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RELOC_NUMBER (R_SH_GOTOFF, 166)
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RELOC_NUMBER (R_SH_GOTPC, 167)
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2002-02-22 04:18:42 +00:00
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RELOC_NUMBER (R_SH_GOTPLT32, 168)
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RELOC_NUMBER (R_SH_GOT_LOW16, 169)
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RELOC_NUMBER (R_SH_GOT_MEDLOW16, 170)
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RELOC_NUMBER (R_SH_GOT_MEDHI16, 171)
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RELOC_NUMBER (R_SH_GOT_HI16, 172)
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RELOC_NUMBER (R_SH_GOTPLT_LOW16, 173)
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RELOC_NUMBER (R_SH_GOTPLT_MEDLOW16, 174)
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RELOC_NUMBER (R_SH_GOTPLT_MEDHI16, 175)
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RELOC_NUMBER (R_SH_GOTPLT_HI16, 176)
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RELOC_NUMBER (R_SH_PLT_LOW16, 177)
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RELOC_NUMBER (R_SH_PLT_MEDLOW16, 178)
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RELOC_NUMBER (R_SH_PLT_MEDHI16, 179)
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RELOC_NUMBER (R_SH_PLT_HI16, 180)
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RELOC_NUMBER (R_SH_GOTOFF_LOW16, 181)
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RELOC_NUMBER (R_SH_GOTOFF_MEDLOW16, 182)
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RELOC_NUMBER (R_SH_GOTOFF_MEDHI16, 183)
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RELOC_NUMBER (R_SH_GOTOFF_HI16, 184)
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RELOC_NUMBER (R_SH_GOTPC_LOW16, 185)
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RELOC_NUMBER (R_SH_GOTPC_MEDLOW16, 186)
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RELOC_NUMBER (R_SH_GOTPC_MEDHI16, 187)
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RELOC_NUMBER (R_SH_GOTPC_HI16, 188)
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RELOC_NUMBER (R_SH_GOT10BY4, 189)
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RELOC_NUMBER (R_SH_GOTPLT10BY4, 190)
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RELOC_NUMBER (R_SH_GOT10BY8, 191)
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RELOC_NUMBER (R_SH_GOTPLT10BY8, 192)
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RELOC_NUMBER (R_SH_COPY64, 193)
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RELOC_NUMBER (R_SH_GLOB_DAT64, 194)
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RELOC_NUMBER (R_SH_JMP_SLOT64, 195)
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RELOC_NUMBER (R_SH_RELATIVE64, 196)
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FAKE_RELOC (R_SH_FIRST_INVALID_RELOC_4, 197)
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FAKE_RELOC (R_SH_LAST_INVALID_RELOC_4, 241)
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RELOC_NUMBER (R_SH_SHMEDIA_CODE, 242)
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RELOC_NUMBER (R_SH_PT_16, 243)
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RELOC_NUMBER (R_SH_IMMS16, 244)
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RELOC_NUMBER (R_SH_IMMU16, 245)
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RELOC_NUMBER (R_SH_IMM_LOW16, 246)
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RELOC_NUMBER (R_SH_IMM_LOW16_PCREL, 247)
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RELOC_NUMBER (R_SH_IMM_MEDLOW16, 248)
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RELOC_NUMBER (R_SH_IMM_MEDLOW16_PCREL, 249)
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RELOC_NUMBER (R_SH_IMM_MEDHI16, 250)
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RELOC_NUMBER (R_SH_IMM_MEDHI16_PCREL, 251)
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RELOC_NUMBER (R_SH_IMM_HI16, 252)
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RELOC_NUMBER (R_SH_IMM_HI16_PCREL, 253)
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RELOC_NUMBER (R_SH_64, 254)
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RELOC_NUMBER (R_SH_64_PCREL, 255)
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2001-05-28 05:21:37 +00:00
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END_RELOC_NUMBERS (R_SH_max)
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2000-05-12 23:15:20 +00:00
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#endif
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