| /* ARM ELF support for BFD. |
| Copyright 1998, 1999, 2000, 2001, 2002 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_ARM_H |
| #define _ELF_ARM_H |
| |
| #include "elf/reloc-macros.h" |
| |
| /* Processor specific flags for the ELF header e_flags field. */ |
| #define EF_ARM_RELEXEC 0x01 |
| #define EF_ARM_HASENTRY 0x02 |
| #define EF_ARM_INTERWORK 0x04 |
| #define EF_ARM_APCS_26 0x08 |
| #define EF_ARM_APCS_FLOAT 0x10 |
| #define EF_ARM_PIC 0x20 |
| #define EF_ARM_ALIGN8 0x40 /* 8-bit structure alignment is in use. */ |
| #define EF_ARM_NEW_ABI 0x80 |
| #define EF_ARM_OLD_ABI 0x100 |
| #define EF_ARM_SOFT_FLOAT 0x200 |
| #define EF_ARM_VFP_FLOAT 0x400 |
| #define EF_ARM_MAVERICK_FLOAT 0x800 |
| |
| /* Other constants defined in the ARM ELF spec. version B-01. */ |
| #define EF_ARM_SYMSARESORTED 0x04 /* NB conflicts with EF_INTERWORK */ |
| #define EF_ARM_DYNSYMSUSESEGIDX 0x08 /* NB conflicts with EF_APCS26 */ |
| #define EF_ARM_MAPSYMSFIRST 0x10 /* NB conflicts with EF_APCS_FLOAT */ |
| #define EF_ARM_EABIMASK 0xFF000000 |
| |
| #define EF_ARM_EABI_VERSION(flags) ((flags) & EF_ARM_EABIMASK) |
| #define EF_ARM_EABI_UNKNOWN 0x00000000 |
| #define EF_ARM_EABI_VER1 0x01000000 |
| #define EF_ARM_EABI_VER2 0x02000000 |
| |
| /* Local aliases for some flags to match names used by COFF port. */ |
| #define F_INTERWORK EF_ARM_INTERWORK |
| #define F_APCS26 EF_ARM_APCS_26 |
| #define F_APCS_FLOAT EF_ARM_APCS_FLOAT |
| #define F_PIC EF_ARM_PIC |
| #define F_SOFT_FLOAT EF_ARM_SOFT_FLOAT |
| #define F_VFP_FLOAT EF_ARM_VFP_FLOAT |
| |
| /* Additional symbol types for Thumb. */ |
| #define STT_ARM_TFUNC STT_LOPROC /* A Thumb function. */ |
| #define STT_ARM_16BIT STT_HIPROC /* A Thumb label. */ |
| |
| /* ARM-specific values for sh_flags. */ |
| #define SHF_ENTRYSECT 0x10000000 /* Section contains an entry point. */ |
| #define SHF_COMDEF 0x80000000 /* Section may be multiply defined in the input to a link step. */ |
| |
| /* ARM-specific program header flags. */ |
| #define PF_ARM_SB 0x10000000 /* Segment contains the location addressed by the static base. */ |
| #define PF_ARM_PI 0x20000000 /* Segment is position-independent. */ |
| #define PF_ARM_ABS 0x40000000 /* Segment must be loaded at its base address. */ |
| |
| /* Relocation types. */ |
| |
| START_RELOC_NUMBERS (elf_arm_reloc_type) |
| RELOC_NUMBER (R_ARM_NONE, 0) |
| RELOC_NUMBER (R_ARM_PC24, 1) |
| RELOC_NUMBER (R_ARM_ABS32, 2) |
| RELOC_NUMBER (R_ARM_REL32, 3) |
| #ifdef OLD_ARM_ABI |
| RELOC_NUMBER (R_ARM_ABS8, 4) |
| RELOC_NUMBER (R_ARM_ABS16, 5) |
| RELOC_NUMBER (R_ARM_ABS12, 6) |
| RELOC_NUMBER (R_ARM_THM_ABS5, 7) |
| RELOC_NUMBER (R_ARM_THM_PC22, 8) |
| RELOC_NUMBER (R_ARM_SBREL32, 9) |
| RELOC_NUMBER (R_ARM_AMP_VCALL9, 10) |
| RELOC_NUMBER (R_ARM_THM_PC11, 11) /* Cygnus extension to abi: Thumb unconditional branch. */ |
| RELOC_NUMBER (R_ARM_THM_PC9, 12) /* Cygnus extension to abi: Thumb conditional branch. */ |
| RELOC_NUMBER (R_ARM_GNU_VTINHERIT, 13) |
| RELOC_NUMBER (R_ARM_GNU_VTENTRY, 14) |
| #else /* not OLD_ARM_ABI */ |
| RELOC_NUMBER (R_ARM_PC13, 4) |
| RELOC_NUMBER (R_ARM_ABS16, 5) |
| RELOC_NUMBER (R_ARM_ABS12, 6) |
| RELOC_NUMBER (R_ARM_THM_ABS5, 7) |
| RELOC_NUMBER (R_ARM_ABS8, 8) |
| RELOC_NUMBER (R_ARM_SBREL32, 9) |
| RELOC_NUMBER (R_ARM_THM_PC22, 10) |
| RELOC_NUMBER (R_ARM_THM_PC8, 11) |
| RELOC_NUMBER (R_ARM_AMP_VCALL9, 12) |
| RELOC_NUMBER (R_ARM_SWI24, 13) |
| RELOC_NUMBER (R_ARM_THM_SWI8, 14) |
| RELOC_NUMBER (R_ARM_XPC25, 15) |
| RELOC_NUMBER (R_ARM_THM_XPC22, 16) |
| #endif /* not OLD_ARM_ABI */ |
| RELOC_NUMBER (R_ARM_COPY, 20) /* Copy symbol at runtime. */ |
| RELOC_NUMBER (R_ARM_GLOB_DAT, 21) /* Create GOT entry. */ |
| RELOC_NUMBER (R_ARM_JUMP_SLOT, 22) /* Create PLT entry. */ |
| RELOC_NUMBER (R_ARM_RELATIVE, 23) /* Adjust by program base. */ |
| RELOC_NUMBER (R_ARM_GOTOFF, 24) /* 32 bit offset to GOT. */ |
| RELOC_NUMBER (R_ARM_GOTPC, 25) /* 32 bit PC relative offset to GOT. */ |
| RELOC_NUMBER (R_ARM_GOT32, 26) /* 32 bit GOT entry. */ |
| RELOC_NUMBER (R_ARM_PLT32, 27) /* 32 bit PLT address. */ |
| #ifdef OLD_ARM_ABI |
| FAKE_RELOC (FIRST_INVALID_RELOC, 28) |
| FAKE_RELOC (LAST_INVALID_RELOC, 249) |
| #else /* not OLD_ARM_ABI */ |
| FAKE_RELOC (FIRST_INVALID_RELOC1, 28) |
| FAKE_RELOC (LAST_INVALID_RELOC1, 31) |
| RELOC_NUMBER (R_ARM_ALU_PCREL7_0, 32) |
| RELOC_NUMBER (R_ARM_ALU_PCREL15_8, 33) |
| RELOC_NUMBER (R_ARM_ALU_PCREL23_15, 34) |
| RELOC_NUMBER (R_ARM_LDR_SBREL11_0, 35) |
| RELOC_NUMBER (R_ARM_ALU_SBREL19_12, 36) |
| RELOC_NUMBER (R_ARM_ALU_SBREL27_20, 37) |
| FAKE_RELOC (FIRST_INVALID_RELOC2, 38) |
| FAKE_RELOC (LAST_INVALID_RELOC2, 99) |
| RELOC_NUMBER (R_ARM_GNU_VTENTRY, 100) |
| RELOC_NUMBER (R_ARM_GNU_VTINHERIT, 101) |
| RELOC_NUMBER (R_ARM_THM_PC11, 102) /* Cygnus extension to abi: Thumb unconditional branch. */ |
| RELOC_NUMBER (R_ARM_THM_PC9, 103) /* Cygnus extension to abi: Thumb conditional branch. */ |
| FAKE_RELOC (FIRST_INVALID_RELOC3, 104) |
| FAKE_RELOC (LAST_INVALID_RELOC3, 248) |
| RELOC_NUMBER (R_ARM_RXPC25, 249) |
| #endif /* not OLD_ARM_ABI */ |
| RELOC_NUMBER (R_ARM_RSBREL32, 250) |
| RELOC_NUMBER (R_ARM_THM_RPC22, 251) |
| RELOC_NUMBER (R_ARM_RREL32, 252) |
| RELOC_NUMBER (R_ARM_RABS32, 253) |
| RELOC_NUMBER (R_ARM_RPC24, 254) |
| RELOC_NUMBER (R_ARM_RBASE, 255) |
| END_RELOC_NUMBERS (R_ARM_max) |
| |
| /* The name of the note section used to identify arm variants. */ |
| #define ARM_NOTE_SECTION ".note.gnu.arm.ident" |
| |
| #endif /* _ELF_ARM_H */ |
