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Diffstat (limited to 'include/elf/xtensa.h')
| -rw-r--r-- | include/elf/xtensa.h | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/include/elf/xtensa.h b/include/elf/xtensa.h new file mode 100644 index 000000000..394ee4138 --- /dev/null +++ b/include/elf/xtensa.h @@ -0,0 +1,87 @@ +/* Xtensa ELF support for BFD. + Copyright 2003 Free Software Foundation, Inc. + Contributed by Bob Wilson (bwilson@tensilica.com) at Tensilica. + + 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. */ + +/* This file holds definitions specific to the Xtensa ELF ABI. */ + +#ifndef _ELF_XTENSA_H +#define _ELF_XTENSA_H + +#include "elf/reloc-macros.h" + +/* Relocations. */ +START_RELOC_NUMBERS (elf_xtensa_reloc_type) + RELOC_NUMBER (R_XTENSA_NONE, 0) + RELOC_NUMBER (R_XTENSA_32, 1) + RELOC_NUMBER (R_XTENSA_RTLD, 2) + RELOC_NUMBER (R_XTENSA_GLOB_DAT, 3) + RELOC_NUMBER (R_XTENSA_JMP_SLOT, 4) + RELOC_NUMBER (R_XTENSA_RELATIVE, 5) + RELOC_NUMBER (R_XTENSA_PLT, 6) + RELOC_NUMBER (R_XTENSA_OP0, 8) + RELOC_NUMBER (R_XTENSA_OP1, 9) + RELOC_NUMBER (R_XTENSA_OP2, 10) + RELOC_NUMBER (R_XTENSA_ASM_EXPAND, 11) + RELOC_NUMBER (R_XTENSA_ASM_SIMPLIFY, 12) + RELOC_NUMBER (R_XTENSA_GNU_VTINHERIT, 15) + RELOC_NUMBER (R_XTENSA_GNU_VTENTRY, 16) +END_RELOC_NUMBERS (R_XTENSA_max) + +/* Processor-specific flags for the ELF header e_flags field. */ + +/* Four-bit Xtensa machine type field. */ +#define EF_XTENSA_MACH 0x0000000f + +/* Various CPU types. */ +#define E_XTENSA_MACH 0x00000000 + +/* Leave bits 0xf0 alone in case we ever have more than 16 cpu types. + Highly unlikely, but what the heck. */ + +#define EF_XTENSA_XT_INSN 0x00000100 +#define EF_XTENSA_XT_LIT 0x00000200 + + +/* Processor-specific dynamic array tags. */ + +/* Offset of the table that records the GOT location(s). */ +#define DT_XTENSA_GOT_LOC_OFF 0x70000000 + +/* Number of entries in the GOT location table. */ +#define DT_XTENSA_GOT_LOC_SZ 0x70000001 + + +/* Definitions for instruction and literal property tables. The + instruction tables for ".gnu.linkonce.t.*" sections are placed in + the following sections: + + instruction tables: .gnu.linkonce.x.* + literal tables: .gnu.linkonce.p.* +*/ + +#define XTENSA_INSN_SEC_NAME ".xt.insn" +#define XTENSA_LIT_SEC_NAME ".xt.lit" + +typedef struct property_table_entry_t +{ + bfd_vma address; + bfd_vma size; +} property_table_entry; + +#endif /* _ELF_XTENSA_H */ |