168 lines
7.8 KiB
C
168 lines
7.8 KiB
C
/* IA-64 ELF support for BFD.
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Copyright (C) 1998, 1999 Free Software Foundation, Inc.
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Contributed by David Mosberger-Tang <davidm@hpl.hp.com>
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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
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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#ifndef _ELF_IA64_H
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#define _ELF_IA64_H
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/* Bits in the e_flags field of the Elf64_Ehdr: */
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#define EF_IA_64_MASKOS 0x0000000f /* os-specific flags */
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#define EF_IA_64_ABI64 (1 << 4) /* 64-bit ABI */
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#define EF_IA_64_ARCH 0xff000000 /* arch. version mask */
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/* ??? These four definitions are not part of the SVR4 ABI.
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They were present in David's initial code drop, so it is probable
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that they are used by HP/UX. */
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#define EF_IA_64_TRAPNIL (1 << 0) /* trap NIL pointer dereferences */
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#define EF_IA_64_EXT (1 << 2) /* program uses arch. extensions */
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#define EF_IA_64_BE (1 << 3) /* PSR BE bit set (big-endian) */
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#define EFA_IA_64_EAS2_3 0x23000000 /* ia64 EAS 2.3 */
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#define ELF_STRING_ia64_archext ".IA_64.archext"
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#define ELF_STRING_ia64_pltoff ".IA_64.pltoff"
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#define ELF_STRING_ia64_unwind ".IA_64.unwind"
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#define ELF_STRING_ia64_unwind_info ".IA_64.unwind_info"
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/* Bits in the sh_flags field of Elf64_Shdr: */
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#define SHF_IA_64_SHORT 0x10000000 /* section near gp */
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#define SHF_IA_64_NORECOV 0x20000000 /* spec insns w/o recovery */
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/* Possible values for sh_type in Elf64_Shdr: */
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#define SHT_IA_64_EXT (SHT_LOPROC + 0) /* extension bits */
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#define SHT_IA_64_UNWIND (SHT_LOPROC + 1) /* unwind bits */
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/* Bits in the p_flags field of Elf64_Phdr: */
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#define PF_IA_64_NORECOV 0x80000000
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/* Possible values for p_type in Elf64_Phdr: */
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#define PT_IA_64_ARCHEXT (PT_LOPROC + 0) /* arch extension bits */
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#define PT_IA_64_UNWIND (PT_LOPROC + 1) /* ia64 unwind bits */
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/* Possible values for d_tag in Elf64_Dyn: */
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#define DT_IA_64_PLT_RESERVE (DT_LOPROC + 0)
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/* ia64-specific relocation types: */
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/* Relocs apply to specific instructions within a bundle. The least
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significant 2 bits of the address indicate which instruction in the
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bundle the reloc refers to (0=first slot, 1=second slow, 2=third
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slot, 3=undefined) and the remaining bits give the address of the
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bundle (16 byte aligned).
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The top 5 bits of the reloc code specifies the expression type, the
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low 3 bits the format of the data word being relocated.
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??? Relocations below marked ## are not part of the SVR4 processor
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suppliment. They were present in David's initial code drop, so it
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is possible that they are used by HP/UX. */
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#include "elf/reloc-macros.h"
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START_RELOC_NUMBERS (elf_ia64_reloc_type)
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RELOC_NUMBER (R_IA64_NONE, 0x00) /* none */
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RELOC_NUMBER (R_IA64_IMM14, 0x21) /* symbol + addend, add imm14 */
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RELOC_NUMBER (R_IA64_IMM22, 0x22) /* symbol + addend, add imm22 */
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RELOC_NUMBER (R_IA64_IMM64, 0x23) /* symbol + addend, mov imm64 */
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RELOC_NUMBER (R_IA64_DIR32MSB, 0x24) /* symbol + addend, data4 MSB */
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RELOC_NUMBER (R_IA64_DIR32LSB, 0x25) /* symbol + addend, data4 LSB */
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RELOC_NUMBER (R_IA64_DIR64MSB, 0x26) /* symbol + addend, data8 MSB */
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RELOC_NUMBER (R_IA64_DIR64LSB, 0x27) /* symbol + addend, data8 LSB */
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RELOC_NUMBER (R_IA64_GPREL22, 0x2a) /* @gprel(sym + add), add imm22 */
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RELOC_NUMBER (R_IA64_GPREL64I, 0x2b) /* @gprel(sym + add), mov imm64 */
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RELOC_NUMBER (R_IA64_GPREL32MSB, 0x2c) /* @gprel(sym + add), data4 MSB ## */
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RELOC_NUMBER (R_IA64_GPREL32LSB, 0x2d) /* @gprel(sym + add), data4 LSB ## */
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RELOC_NUMBER (R_IA64_GPREL64MSB, 0x2e) /* @gprel(sym + add), data8 MSB */
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RELOC_NUMBER (R_IA64_GPREL64LSB, 0x2f) /* @gprel(sym + add), data8 LSB */
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RELOC_NUMBER (R_IA64_LTOFF22, 0x32) /* @ltoff(sym + add), add imm22 */
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RELOC_NUMBER (R_IA64_LTOFF64I, 0x33) /* @ltoff(sym + add), mov imm64 */
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RELOC_NUMBER (R_IA64_PLTOFF22, 0x3a) /* @pltoff(sym + add), add imm22 */
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RELOC_NUMBER (R_IA64_PLTOFF64I, 0x3b) /* @pltoff(sym + add), mov imm64 */
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RELOC_NUMBER (R_IA64_PLTOFF64MSB, 0x3e) /* @pltoff(sym + add), data8 MSB */
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RELOC_NUMBER (R_IA64_PLTOFF64LSB, 0x3f) /* @pltoff(sym + add), data8 LSB */
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RELOC_NUMBER (R_IA64_FPTR64I, 0x43) /* @fptr(sym + add), mov imm64 */
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RELOC_NUMBER (R_IA64_FPTR32MSB, 0x44) /* @fptr(sym + add), data4 MSB */
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RELOC_NUMBER (R_IA64_FPTR32LSB, 0x45) /* @fptr(sym + add), data4 LSB */
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RELOC_NUMBER (R_IA64_FPTR64MSB, 0x46) /* @fptr(sym + add), data8 MSB */
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RELOC_NUMBER (R_IA64_FPTR64LSB, 0x47) /* @fptr(sym + add), data8 LSB */
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RELOC_NUMBER (R_IA64_PCREL21B, 0x49) /* @pcrel(sym + add), ptb, call */
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RELOC_NUMBER (R_IA64_PCREL21M, 0x4a) /* @pcrel(sym + add), chk.s */
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RELOC_NUMBER (R_IA64_PCREL21F, 0x4b) /* @pcrel(sym + add), fchkf */
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RELOC_NUMBER (R_IA64_PCREL32MSB, 0x4c) /* @pcrel(sym + add), data4 MSB */
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RELOC_NUMBER (R_IA64_PCREL32LSB, 0x4d) /* @pcrel(sym + add), data4 LSB */
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RELOC_NUMBER (R_IA64_PCREL64MSB, 0x4e) /* @pcrel(sym + add), data8 MSB */
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RELOC_NUMBER (R_IA64_PCREL64LSB, 0x4f) /* @pcrel(sym + add), data8 LSB */
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RELOC_NUMBER (R_IA64_LTOFF_FPTR22, 0x52) /* @ltoff(@fptr(s+a)), imm22 */
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RELOC_NUMBER (R_IA64_LTOFF_FPTR64I, 0x53) /* @ltoff(@fptr(s+a)), imm64 */
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RELOC_NUMBER (R_IA64_LTOFF_FPTR64MSB, 0x56) /* @ltoff(@fptr(s+a)), 8 MSB ##*/
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RELOC_NUMBER (R_IA64_LTOFF_FPTR64LSB, 0x57) /* @ltoff(@fptr(s+a)), 8 LSB ##*/
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RELOC_NUMBER (R_IA64_SEGBASE, 0x58) /* set segment base for @segrel ## */
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RELOC_NUMBER (R_IA64_SEGREL32MSB, 0x5c) /* @segrel(sym + add), data4 MSB */
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RELOC_NUMBER (R_IA64_SEGREL32LSB, 0x5d) /* @segrel(sym + add), data4 LSB */
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RELOC_NUMBER (R_IA64_SEGREL64MSB, 0x5e) /* @segrel(sym + add), data8 MSB */
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RELOC_NUMBER (R_IA64_SEGREL64LSB, 0x5f) /* @segrel(sym + add), data8 LSB */
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RELOC_NUMBER (R_IA64_SECREL32MSB, 0x64) /* @secrel(sym + add), data4 MSB */
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RELOC_NUMBER (R_IA64_SECREL32LSB, 0x65) /* @secrel(sym + add), data4 LSB */
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RELOC_NUMBER (R_IA64_SECREL64MSB, 0x66) /* @secrel(sym + add), data8 MSB */
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RELOC_NUMBER (R_IA64_SECREL64LSB, 0x67) /* @secrel(sym + add), data8 LSB */
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RELOC_NUMBER (R_IA64_REL32MSB, 0x6c) /* data 4 + REL */
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RELOC_NUMBER (R_IA64_REL32LSB, 0x6d) /* data 4 + REL */
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RELOC_NUMBER (R_IA64_REL64MSB, 0x6e) /* data 8 + REL */
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RELOC_NUMBER (R_IA64_REL64LSB, 0x6f) /* data 8 + REL */
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RELOC_NUMBER (R_IA64_LTV32MSB, 0x70) /* symbol + addend, data4 MSB */
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RELOC_NUMBER (R_IA64_LTV32LSB, 0x71) /* symbol + addend, data4 LSB */
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RELOC_NUMBER (R_IA64_LTV64MSB, 0x72) /* symbol + addend, data8 MSB */
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RELOC_NUMBER (R_IA64_LTV64LSB, 0x73) /* symbol + addend, data8 LSB */
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RELOC_NUMBER (R_IA64_IPLTMSB, 0x80) /* dynamic reloc, imported PLT, MSB */
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RELOC_NUMBER (R_IA64_IPLTLSB, 0x81) /* dynamic reloc, imported PLT, LSB */
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RELOC_NUMBER (R_IA64_EPLTMSB, 0x82) /* dynamic reloc, exported PLT, ## */
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RELOC_NUMBER (R_IA64_EPLTLSB, 0x83) /* dynamic reloc, exported PLT, ## */
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RELOC_NUMBER (R_IA64_COPY, 0x84) /* dynamic reloc, data copy ## */
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RELOC_NUMBER (R_IA64_LTOFF22X, 0x86) /* LTOFF22, relaxable. */
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RELOC_NUMBER (R_IA64_LDXMOV, 0x87) /* Use of LTOFF22X. */
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RELOC_NUMBER (R_IA64_TPREL22, 0x92) /* sym-TP+add, add imm22 ## */
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RELOC_NUMBER (R_IA64_TPREL64MSB, 0x96) /* sym-TP+add, data8 MSB ## */
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RELOC_NUMBER (R_IA64_TPREL64LSB, 0x97) /* sym-TP+add, data8 LSB ## */
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RELOC_NUMBER (R_IA64_LTOFF_TP22, 0x9a) /* @ltoff(sym-TP+add), add imm22 ## */
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FAKE_RELOC (R_IA64_MAX_RELOC_CODE, 0x9a)
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END_RELOC_NUMBERS
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#endif /* _ELF_IA64_H */
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