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Diffstat (limited to 'binutils-2.24/elfcpp/mips.h')
| -rw-r--r-- | binutils-2.24/elfcpp/mips.h | 381 |
1 files changed, 0 insertions, 381 deletions
diff --git a/binutils-2.24/elfcpp/mips.h b/binutils-2.24/elfcpp/mips.h deleted file mode 100644 index d45197d4..00000000 --- a/binutils-2.24/elfcpp/mips.h +++ /dev/null @@ -1,381 +0,0 @@ -// mips.h -- ELF definitions specific to EM_MIPS -*- C++ -*- - -// Copyright 2012 Free Software Foundation, Inc. -// Written by Sasa Stankovic <sasa.stankovic@rt-rk.com> -// and Aleksandar Simeonov <aleksandar.simeonov@rt-rk.com>. - -// This file is part of elfcpp. - -// This program is free software; you can redistribute it and/or -// modify it under the terms of the GNU Library General Public License -// as published by the Free Software Foundation; either version 2, or -// (at your option) any later version. - -// In addition to the permissions in the GNU Library General Public -// License, the Free Software Foundation gives you unlimited -// permission to link the compiled version of this file into -// combinations with other programs, and to distribute those -// combinations without any restriction coming from the use of this -// file. (The Library Public License restrictions do apply in other -// respects; for example, they cover modification of the file, and -/// distribution when not linked into a combined executable.) - -// 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 -// Library General Public License for more details. - -// You should have received a copy of the GNU Library 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. - -#ifndef ELFCPP_MIPS_H -#define ELFCPP_MIPS_H - -// Documentation for the MIPS relocs is taken from -// http://math-atlas.sourceforge.net/devel/assembly/mipsabi32.pdf - -namespace elfcpp -{ - -// -// MIPS Relocation Codes -// - -enum -{ - R_MIPS_NONE = 0, - R_MIPS_16 = 1, - R_MIPS_32 = 2, // In Elf 64: alias R_MIPS_ADD - R_MIPS_REL32 = 3, // In Elf 64: alias R_MIPS_REL - R_MIPS_26 = 4, - R_MIPS_HI16 = 5, - R_MIPS_LO16 = 6, - R_MIPS_GPREL16 = 7, // In Elf 64: alias R_MIPS_GPREL - R_MIPS_LITERAL = 8, - R_MIPS_GOT16 = 9, // In Elf 64: alias R_MIPS_GOT - R_MIPS_PC16 = 10, - R_MIPS_CALL16 = 11, // In Elf 64: alias R_MIPS_CALL - R_MIPS_GPREL32 = 12, - R_MIPS_UNUSED1 = 13, - R_MIPS_UNUSED2 = 14, - R_MIPS_UNUSED3 = 15, - R_MIPS_SHIFT5 = 16, - R_MIPS_SHIFT6 = 17, - R_MIPS_64 = 18, - R_MIPS_GOT_DISP = 19, - R_MIPS_GOT_PAGE = 20, - R_MIPS_GOT_OFST = 21, - R_MIPS_GOT_HI16 = 22, - R_MIPS_GOT_LO16 = 23, - R_MIPS_SUB = 24, - R_MIPS_INSERT_A = 25, - R_MIPS_INSERT_B = 26, - R_MIPS_DELETE = 27, - R_MIPS_HIGHER = 28, - R_MIPS_HIGHEST = 29, - R_MIPS_CALL_HI16 = 30, - R_MIPS_CALL_LO16 = 31, - R_MIPS_SCN_DISP = 32, - R_MIPS_REL16 = 33, - R_MIPS_ADD_IMMEDIATE = 34, - R_MIPS_PJUMP = 35, - R_MIPS_RELGOT = 36, - R_MIPS_JALR = 37, - // TLS relocations. - R_MIPS_TLS_DTPMOD32 = 38, - R_MIPS_TLS_DTPREL32 = 39, - R_MIPS_TLS_DTPMOD64 = 40, - R_MIPS_TLS_DTPREL64 = 41, - R_MIPS_TLS_GD = 42, - R_MIPS_TLS_LDM = 43, - R_MIPS_TLS_DTPREL_HI16 = 44, - R_MIPS_TLS_DTPREL_LO16 = 45, - R_MIPS_TLS_GOTTPREL = 46, - R_MIPS_TLS_TPREL32 = 47, - R_MIPS_TLS_TPREL64 = 48, - R_MIPS_TLS_TPREL_HI16 = 49, - R_MIPS_TLS_TPREL_LO16 = 50, - R_MIPS_GLOB_DAT = 51, - // These relocs are used for the mips16. - R_MIPS16_26 = 100, - R_MIPS16_GPREL = 101, - R_MIPS16_GOT16 = 102, - R_MIPS16_CALL16 = 103, - R_MIPS16_HI16 = 104, - R_MIPS16_LO16 = 105, - R_MIPS16_TLS_GD = 106, - R_MIPS16_TLS_LDM = 107, - R_MIPS16_TLS_DTPREL_HI16 = 108, - R_MIPS16_TLS_DTPREL_LO16 = 109, - R_MIPS16_TLS_GOTTPREL = 110, - R_MIPS16_TLS_TPREL_HI16 = 111, - R_MIPS16_TLS_TPREL_LO16 = 112, - - R_MIPS_COPY = 126, - R_MIPS_JUMP_SLOT = 127, - - // These relocations are specific to microMIPS. - R_MICROMIPS_26_S1 = 133, - R_MICROMIPS_HI16 = 134, - R_MICROMIPS_LO16 = 135, - R_MICROMIPS_GPREL16 = 136, // In Elf 64: alias R_MICROMIPS_GPREL - R_MICROMIPS_LITERAL = 137, - R_MICROMIPS_GOT16 = 138, // In Elf 64: alias R_MICROMIPS_GOT - R_MICROMIPS_PC7_S1 = 139, - R_MICROMIPS_PC10_S1 = 140, - R_MICROMIPS_PC16_S1 = 141, - R_MICROMIPS_CALL16 = 142, // In Elf 64: alias R_MICROMIPS_CALL - R_MICROMIPS_GOT_DISP = 145, - R_MICROMIPS_GOT_PAGE = 146, - R_MICROMIPS_GOT_OFST = 147, - R_MICROMIPS_GOT_HI16 = 148, - R_MICROMIPS_GOT_LO16 = 149, - R_MICROMIPS_SUB = 150, - R_MICROMIPS_HIGHER = 151, - R_MICROMIPS_HIGHEST = 152, - R_MICROMIPS_CALL_HI16 = 153, - R_MICROMIPS_CALL_LO16 = 154, - R_MICROMIPS_SCN_DISP = 155, - R_MICROMIPS_JALR = 156, - R_MICROMIPS_HI0_LO16 = 157, - // TLS relocations. - R_MICROMIPS_TLS_GD = 162, - R_MICROMIPS_TLS_LDM = 163, - R_MICROMIPS_TLS_DTPREL_HI16 = 164, - R_MICROMIPS_TLS_DTPREL_LO16 = 165, - R_MICROMIPS_TLS_GOTTPREL = 166, - R_MICROMIPS_TLS_TPREL_HI16 = 169, - R_MICROMIPS_TLS_TPREL_LO16 = 170, - // microMIPS GP- and PC-relative relocations. - R_MICROMIPS_GPREL7_S2 = 172, - R_MICROMIPS_PC23_S2 = 173, - - // This was a GNU extension used by embedded-PIC. It was co-opted by - // mips-linux for exception-handling data. GCC stopped using it in - // May, 2004, then started using it again for compact unwind tables. - R_MIPS_PC32 = 248, - R_MIPS_EH = 249, - // This relocation is used internally by gas. - R_MIPS_GNU_REL16_S2 = 250, - // These are GNU extensions to enable C++ vtable garbage collection. - R_MIPS_GNU_VTINHERIT = 253, - R_MIPS_GNU_VTENTRY = 254 -}; - -// Processor specific flags for the ELF header e_flags field. -enum -{ - // At least one .noreorder directive appears in the source. - EF_MIPS_NOREORDER = 0x00000001, - // File contains position independent code. - EF_MIPS_PIC = 0x00000002, - // Code in file uses the standard calling sequence for calling - // position independent code. - EF_MIPS_CPIC = 0x00000004, - // ??? Unknown flag, set in IRIX 6's BSDdup2.o in libbsd.a. - EF_MIPS_XGOT = 0x00000008, - // Code in file uses UCODE (obsolete) - EF_MIPS_UCODE = 0x00000010, - // Code in file uses new ABI (-n32 on Irix 6). - EF_MIPS_ABI2 = 0x00000020, - // Process the .MIPS.options section first by ld - EF_MIPS_OPTIONS_FIRST = 0x00000080, - // Architectural Extensions used by this file - EF_MIPS_ARCH_ASE = 0x0f000000, - // Use MDMX multimedia extensions - EF_MIPS_ARCH_ASE_MDMX = 0x08000000, - // Use MIPS-16 ISA extensions - EF_MIPS_ARCH_ASE_M16 = 0x04000000, - // Use MICROMIPS ISA extensions. - EF_MIPS_ARCH_ASE_MICROMIPS = 0x02000000, - // Indicates code compiled for a 64-bit machine in 32-bit mode. - // (regs are 32-bits wide.) - EF_MIPS_32BITMODE = 0x00000100, - // MIPS dynamic - EF_MIPS_DYNAMIC = 0x40 -}; - -// Machine variant if we know it. This field was invented at Cygnus, -// but it is hoped that other vendors will adopt it. If some standard -// is developed, this code should be changed to follow it. -enum -{ - EF_MIPS_MACH = 0x00FF0000, - -// Cygnus is choosing values between 80 and 9F; -// 00 - 7F should be left for a future standard; -// the rest are open. - - E_MIPS_MACH_3900 = 0x00810000, - E_MIPS_MACH_4010 = 0x00820000, - E_MIPS_MACH_4100 = 0x00830000, - E_MIPS_MACH_4650 = 0x00850000, - E_MIPS_MACH_4120 = 0x00870000, - E_MIPS_MACH_4111 = 0x00880000, - E_MIPS_MACH_SB1 = 0x008a0000, - E_MIPS_MACH_OCTEON = 0x008b0000, - E_MIPS_MACH_XLR = 0x008c0000, - E_MIPS_MACH_OCTEON2 = 0x008d0000, - E_MIPS_MACH_OCTEON3 = 0x008e0000, - E_MIPS_MACH_5400 = 0x00910000, - E_MIPS_MACH_5500 = 0x00980000, - E_MIPS_MACH_9000 = 0x00990000, - E_MIPS_MACH_LS2E = 0x00A00000, - E_MIPS_MACH_LS2F = 0x00A10000, - E_MIPS_MACH_LS3A = 0x00A20000, -}; - -// MIPS architecture -enum -{ - // Four bit MIPS architecture field. - EF_MIPS_ARCH = 0xf0000000, - // -mips1 code. - E_MIPS_ARCH_1 = 0x00000000, - // -mips2 code. - E_MIPS_ARCH_2 = 0x10000000, - // -mips3 code. - E_MIPS_ARCH_3 = 0x20000000, - // -mips4 code. - E_MIPS_ARCH_4 = 0x30000000, - // -mips5 code. - E_MIPS_ARCH_5 = 0x40000000, - // -mips32 code. - E_MIPS_ARCH_32 = 0x50000000, - // -mips64 code. - E_MIPS_ARCH_64 = 0x60000000, - // -mips32r2 code. - E_MIPS_ARCH_32R2 = 0x70000000, - // -mips64r2 code. - E_MIPS_ARCH_64R2 = 0x80000000, - // -mips32r6 code. - E_MIPS_ARCH_32R6 = 0x90000000, - // -mips64r6 code. - E_MIPS_ARCH_64R6 = 0xa0000000, -}; - -enum -{ - // Mask to extract ABI version, not really a flag value. - EF_MIPS_ABI = 0x0000F000, - - // The original o32 abi. - E_MIPS_ABI_O32 = 0x00001000, - // O32 extended to work on 64 bit architectures - E_MIPS_ABI_O64 = 0x00002000, - // EABI in 32 bit mode - E_MIPS_ABI_EABI32 = 0x00003000, - // EABI in 64 bit mode - E_MIPS_ABI_EABI64 = 0x00004000, -}; - -// Dynamic section MIPS flags -enum -{ - // None - RHF_NONE = 0x00000000, - // Use shortcut pointers - RHF_QUICKSTART = 0x00000001, - // Hash size not power of two - RHF_NOTPOT = 0x00000002, - // Ignore LD_LIBRARY_PATH - RHF_NO_LIBRARY_REPLACEMENT = 0x00000004 -}; - -// Special values for the st_other field in the symbol table. -enum -{ - // Two topmost bits denote the MIPS ISA for .text symbols: - // + 00 -- standard MIPS code, - // + 10 -- microMIPS code, - // + 11 -- MIPS16 code; requires the following two bits to be set too. - // Note that one of the MIPS16 bits overlaps with STO_MIPS_PIC. - STO_MIPS_ISA = 0xc0, - - // The mask spanning the rest of MIPS psABI flags. At most one is expected - // to be set except for STO_MIPS16. - STO_MIPS_FLAGS = ~(STO_MIPS_ISA | 0x3), - - // The MIPS psABI was updated in 2008 with support for PLTs and copy - // relocs. There are therefore two types of nonzero SHN_UNDEF functions: - // PLT entries and traditional MIPS lazy binding stubs. We mark the former - // with STO_MIPS_PLT to distinguish them from the latter. - STO_MIPS_PLT = 0x8, - - // This value is used to mark PIC functions in an object that mixes - // PIC and non-PIC. Note that this bit overlaps with STO_MIPS16, - // although MIPS16 symbols are never considered to be MIPS_PIC. - STO_MIPS_PIC = 0x20, - - // This value is used for a mips16 .text symbol. - STO_MIPS16 = 0xf0, - - // This value is used for a microMIPS .text symbol. To distinguish from - // STO_MIPS16, we set top two bits to be 10 to denote STO_MICROMIPS. The - // mask is STO_MIPS_ISA. - STO_MICROMIPS = 0x80 -}; - -// Values for base offsets for thread-local storage -enum -{ - TP_OFFSET = 0x7000, - DTP_OFFSET = 0x8000 -}; - - -bool -elf_st_is_mips16(unsigned char st_other) -{ return (st_other & elfcpp::STO_MIPS16) == elfcpp::STO_MIPS16; } - -bool -elf_st_is_micromips(unsigned char st_other) -{ return (st_other & elfcpp::STO_MIPS_ISA) == elfcpp::STO_MICROMIPS; } - -// Whether the ABI is N32. -bool -abi_n32(elfcpp::Elf_Word e_flags) -{ return (e_flags & elfcpp::EF_MIPS_ABI2) != 0; } - -// Whether the ABI is N64. -bool -abi_64(unsigned char ei_class) -{ return ei_class == elfcpp::ELFCLASS64; } - -// Whether the file has microMIPS code. -bool -is_micromips(elfcpp::Elf_Word e_flags) -{ return (e_flags & elfcpp::EF_MIPS_ARCH_ASE_MICROMIPS) != 0; } - -// Values which may appear in the kind field of an Elf_Options structure. -enum -{ - // Undefined. - ODK_NULL = 0, - // Register usage and GP value. - ODK_REGINFO = 1, - // Exception processing information. - ODK_EXCEPTIONS = 2, - // Section padding information. - ODK_PAD = 3, - // Hardware workarounds performed. - ODK_HWPATCH = 4, - // Fill value used by the linker. - ODK_FILL = 5, - // Reserved space for desktop tools. - ODK_TAGS = 6, - // Hardware workarounds, AND bits when merging. - ODK_HWAND = 7, - // Hardware workarounds, OR bits when merging. - ODK_HWOR = 8, - // GP group to use for text/data sections. - ODK_GP_GROUP = 9, - // ID information. - ODK_IDENT = 10 -}; - -} // End namespace elfcpp. - -#endif // !defined(ELFCPP_MIPS_H) |