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Diffstat (limited to 'include/elf/xtensa.h')
| -rw-r--r-- | include/elf/xtensa.h | 208 |
1 files changed, 0 insertions, 208 deletions
diff --git a/include/elf/xtensa.h b/include/elf/xtensa.h deleted file mode 100644 index 400bc17..0000000 --- a/include/elf/xtensa.h +++ /dev/null @@ -1,208 +0,0 @@ -/* Xtensa ELF support for BFD. - Copyright 2003, 2004, 2007, 2008 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., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, - 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_32_PCREL, 14) - RELOC_NUMBER (R_XTENSA_GNU_VTINHERIT, 15) - RELOC_NUMBER (R_XTENSA_GNU_VTENTRY, 16) - RELOC_NUMBER (R_XTENSA_DIFF8, 17) - RELOC_NUMBER (R_XTENSA_DIFF16, 18) - RELOC_NUMBER (R_XTENSA_DIFF32, 19) - RELOC_NUMBER (R_XTENSA_SLOT0_OP, 20) - RELOC_NUMBER (R_XTENSA_SLOT1_OP, 21) - RELOC_NUMBER (R_XTENSA_SLOT2_OP, 22) - RELOC_NUMBER (R_XTENSA_SLOT3_OP, 23) - RELOC_NUMBER (R_XTENSA_SLOT4_OP, 24) - RELOC_NUMBER (R_XTENSA_SLOT5_OP, 25) - RELOC_NUMBER (R_XTENSA_SLOT6_OP, 26) - RELOC_NUMBER (R_XTENSA_SLOT7_OP, 27) - RELOC_NUMBER (R_XTENSA_SLOT8_OP, 28) - RELOC_NUMBER (R_XTENSA_SLOT9_OP, 29) - RELOC_NUMBER (R_XTENSA_SLOT10_OP, 30) - RELOC_NUMBER (R_XTENSA_SLOT11_OP, 31) - RELOC_NUMBER (R_XTENSA_SLOT12_OP, 32) - RELOC_NUMBER (R_XTENSA_SLOT13_OP, 33) - RELOC_NUMBER (R_XTENSA_SLOT14_OP, 34) - RELOC_NUMBER (R_XTENSA_SLOT0_ALT, 35) - RELOC_NUMBER (R_XTENSA_SLOT1_ALT, 36) - RELOC_NUMBER (R_XTENSA_SLOT2_ALT, 37) - RELOC_NUMBER (R_XTENSA_SLOT3_ALT, 38) - RELOC_NUMBER (R_XTENSA_SLOT4_ALT, 39) - RELOC_NUMBER (R_XTENSA_SLOT5_ALT, 40) - RELOC_NUMBER (R_XTENSA_SLOT6_ALT, 41) - RELOC_NUMBER (R_XTENSA_SLOT7_ALT, 42) - RELOC_NUMBER (R_XTENSA_SLOT8_ALT, 43) - RELOC_NUMBER (R_XTENSA_SLOT9_ALT, 44) - RELOC_NUMBER (R_XTENSA_SLOT10_ALT, 45) - RELOC_NUMBER (R_XTENSA_SLOT11_ALT, 46) - RELOC_NUMBER (R_XTENSA_SLOT12_ALT, 47) - RELOC_NUMBER (R_XTENSA_SLOT13_ALT, 48) - RELOC_NUMBER (R_XTENSA_SLOT14_ALT, 49) - RELOC_NUMBER (R_XTENSA_TLSDESC_FN, 50) - RELOC_NUMBER (R_XTENSA_TLSDESC_ARG, 51) - RELOC_NUMBER (R_XTENSA_TLS_DTPOFF, 52) - RELOC_NUMBER (R_XTENSA_TLS_TPOFF, 53) - RELOC_NUMBER (R_XTENSA_TLS_FUNC, 54) - RELOC_NUMBER (R_XTENSA_TLS_ARG, 55) - RELOC_NUMBER (R_XTENSA_TLS_CALL, 56) -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 - tables for ".gnu.linkonce.*" 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" -#define XTENSA_PROP_SEC_NAME ".xt.prop" - -typedef struct property_table_entry_t -{ - bfd_vma address; - bfd_vma size; - flagword flags; -} property_table_entry; - -/* Flags in the property tables to specify whether blocks of memory are - literals, instructions, data, or unreachable. For instructions, - blocks that begin loop targets and branch targets are designated. - Blocks that do not allow density instructions, instruction reordering - or transformation are also specified. Finally, for branch targets, - branch target alignment priority is included. Alignment of the next - block is specified in the current block and the size of the current - block does not include any fill required to align to the next - block. */ - -#define XTENSA_PROP_LITERAL 0x00000001 -#define XTENSA_PROP_INSN 0x00000002 -#define XTENSA_PROP_DATA 0x00000004 -#define XTENSA_PROP_UNREACHABLE 0x00000008 -/* Instruction-only properties at beginning of code. */ -#define XTENSA_PROP_INSN_LOOP_TARGET 0x00000010 -#define XTENSA_PROP_INSN_BRANCH_TARGET 0x00000020 -/* Instruction-only properties about code. */ -#define XTENSA_PROP_INSN_NO_DENSITY 0x00000040 -#define XTENSA_PROP_INSN_NO_REORDER 0x00000080 -/* Historically, NO_TRANSFORM was a property of instructions, - but it should apply to literals under certain circumstances. */ -#define XTENSA_PROP_NO_TRANSFORM 0x00000100 - -/* Branch target alignment information. This transmits information - to the linker optimization about the priority of aligning a - particular block for branch target alignment: None, low priority, - high priority, or required. These only need to be checked in - instruction blocks marked as XTENSA_PROP_INSN_BRANCH_TARGET. - Common usage is: - - switch (GET_XTENSA_PROP_BT_ALIGN(flags)) - case XTENSA_PROP_BT_ALIGN_NONE: - case XTENSA_PROP_BT_ALIGN_LOW: - case XTENSA_PROP_BT_ALIGN_HIGH: - case XTENSA_PROP_BT_ALIGN_REQUIRE: -*/ -#define XTENSA_PROP_BT_ALIGN_MASK 0x00000600 - -/* No branch target alignment. */ -#define XTENSA_PROP_BT_ALIGN_NONE 0x0 -/* Low priority branch target alignment. */ -#define XTENSA_PROP_BT_ALIGN_LOW 0x1 -/* High priority branch target alignment. */ -#define XTENSA_PROP_BT_ALIGN_HIGH 0x2 -/* Required branch target alignment. */ -#define XTENSA_PROP_BT_ALIGN_REQUIRE 0x3 - -#define GET_XTENSA_PROP_BT_ALIGN(flag) \ - (((unsigned)((flag) & (XTENSA_PROP_BT_ALIGN_MASK))) >> 9) -#define SET_XTENSA_PROP_BT_ALIGN(flag, align) \ - (((flag) & (~XTENSA_PROP_BT_ALIGN_MASK)) | \ - (((align) << 9) & XTENSA_PROP_BT_ALIGN_MASK)) - -/* Alignment is specified in the block BEFORE the one that needs - alignment. Up to 5 bits. Use GET_XTENSA_PROP_ALIGNMENT(flags) to - get the required alignment specified as a power of 2. Use - SET_XTENSA_PROP_ALIGNMENT(flags, pow2) to set the required - alignment. Be careful of side effects since the SET will evaluate - flags twice. Also, note that the SIZE of a block in the property - table does not include the alignment size, so the alignment fill - must be calculated to determine if two blocks are contiguous. - TEXT_ALIGN is not currently implemented but is a placeholder for a - possible future implementation. */ - -#define XTENSA_PROP_ALIGN 0x00000800 - -#define XTENSA_PROP_ALIGNMENT_MASK 0x0001f000 - -#define GET_XTENSA_PROP_ALIGNMENT(flag) \ - (((unsigned)((flag) & (XTENSA_PROP_ALIGNMENT_MASK))) >> 12) -#define SET_XTENSA_PROP_ALIGNMENT(flag, align) \ - (((flag) & (~XTENSA_PROP_ALIGNMENT_MASK)) | \ - (((align) << 12) & XTENSA_PROP_ALIGNMENT_MASK)) - -#define XTENSA_PROP_INSN_ABSLIT 0x00020000 - -#endif /* _ELF_XTENSA_H */ |