+2014-04-15 Sasa Stankovic <Sasa.Stankovic@imgtec.com>
+
+ * mips.h (R _MIPS16_TLS_GD, R_MIPS16_TLS_LDM, R_MIPS16_TLS_DTPREL_HI16,
+ R_MIPS16_TLS_DTPREL_LO16, R_MIPS16_TLS_GOTTPREL,
+ R_MIPS16_TLS_TPREL_HI16, R_MIPS16_TLS_TPREL_LO16, R_MICROMIPS_26_S1,
+ R_MICROMIPS_HI16, R_MICROMIPS_LO16, R_MICROMIPS_GPREL16,
+ R_MICROMIPS_LITERAL, R_MICROMIPS_GOT16, R_MICROMIPS_PC7_S1,
+ R_MICROMIPS_PC10_S1, R_MICROMIPS_PC16_S1, R_MICROMIPS_CALL16,
+ R_MICROMIPS_GOT_DISP, R_MICROMIPS_GOT_PAGE, R_MICROMIPS_GOT_OFST,
+ R_MICROMIPS_GOT_HI16, R_MICROMIPS_GOT_LO16, R_MICROMIPS_SUB,
+ R_MICROMIPS_HIGHER, R_MICROMIPS_HIGHEST, R_MICROMIPS_CALL_HI16,
+ R_MICROMIPS_CALL_LO16, R_MICROMIPS_SCN_DISP, R_MICROMIPS_JALR,
+ R_MICROMIPS_HI0_LO16, R_MICROMIPS_TLS_GD, R_MICROMIPS_TLS_LDM,
+ R_MICROMIPS_TLS_DTPREL_HI16, R_MICROMIPS_TLS_DTPREL_LO16,
+ R_MICROMIPS_TLS_GOTTPREL, R_MICROMIPS_TLS_TPREL_HI16,
+ R_MICROMIPS_TLS_TPREL_LO16, R_MICROMIPS_GPREL7_S2,
+ R_MICROMIPS_PC23_S20, R_MIPS_EH): New enums for relocations (mips16 and
+ micromips).
+ (STO_MIPS_FLAGS): New enum constant.
+ (elf_st_is_mips16): New function.
+ (elf_st_is_micromips): New function.
+ (is_micromips): New function.
+ (abi_n32): New function.
+ (abi_n64): New function.
+ (ODK_NULL, ODK_REGINFO, ODK_EXCEPTIONS, ODK_PAD, ODK_HWPATCH, ODK_FILL,
+ ODK_TAGS, ODK_HWAND, ODK_HWOR, ODK_GP_GROUP, ODK_IDENT): New enum
+ constants.
+ * elfcpp.h (SHT_MIPS_OPTIONS): New enum constant.
+
2014-03-05 Alan Modra <amodra@gmail.com>
Update copyright years.
// mips.h -- ELF definitions specific to EM_MIPS -*- C++ -*-
// Copyright (C) 2012-2014 Free Software Foundation, Inc.
-// Written by Aleksandar Simeonov <aleksandar.simeonov@rt-rk.com>.
+// Written by Sasa Stankovic <sasa.stankovic@rt-rk.com>
+// and Aleksandar Simeonov <aleksandar.simeonov@rt-rk.com>.
// This file is part of elfcpp.
{
R_MIPS_NONE = 0,
R_MIPS_16 = 1,
- R_MIPS_32 = 2,
- R_MIPS_REL32 = 3,
+ 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,
+ R_MIPS_GPREL16 = 7, // In Elf 64: alias R_MIPS_GPREL
R_MIPS_LITERAL = 8,
- R_MIPS_GOT16 = 9,
+ R_MIPS_GOT16 = 9, // In Elf 64: alias R_MIPS_GOT
R_MIPS_PC16 = 10,
- R_MIPS_CALL16 = 11,
+ 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_GOT_HI16 = 22,
R_MIPS_GOT_LO16 = 23,
R_MIPS_SUB = 24,
- R_MIPS_INSERT_A = 25, // Empty relocation
- R_MIPS_INSERT_B = 26, // Empty relocation
- R_MIPS_DELETE = 27, // Empty relocation
+ 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, // Empty relocation
- R_MIPS_ADD_IMMEDIATE = 34, // Empty relocation
- R_MIPS_PJUMP = 35, // Empty relocation
- R_MIPS_RELGOT = 36, // Empty relocation
+ 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, // Empty relocation
- R_MIPS_TLS_DTPREL64 = 41, // Empty relocation
+ 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, // Empty relocation
+ 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. */
+// Processor specific flags for the ELF header e_flags field.
enum
{
// At least one .noreorder directive appears in the source.
// 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
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)
projects / deliverable / binutils-gdb.git / commitdiff
