/* MIPS ELF support for BFD.
- Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
- 2003, 2004, 2005, 2008, 2009, 2010, 2013
- Free Software Foundation, Inc.
+ Copyright (C) 1993-2018 Free Software Foundation, Inc.
By Ian Lance Taylor, Cygnus Support, <ian@cygnus.com>, from
information in the System V Application Binary Interface, MIPS
#include "elf/reloc-macros.h"
+#ifdef __cplusplus
+extern "C" {
+#endif
+
/* Relocation types. */
START_RELOC_NUMBERS (elf_mips_reloc_type)
RELOC_NUMBER (R_MIPS_NONE, 0)
RELOC_NUMBER (R_MIPS_TLS_TPREL_HI16, 49)
RELOC_NUMBER (R_MIPS_TLS_TPREL_LO16, 50)
RELOC_NUMBER (R_MIPS_GLOB_DAT, 51)
- FAKE_RELOC (R_MIPS_max, 52)
+ /* Space to grow */
+ RELOC_NUMBER (R_MIPS_PC21_S2, 60)
+ RELOC_NUMBER (R_MIPS_PC26_S2, 61)
+ RELOC_NUMBER (R_MIPS_PC18_S3, 62)
+ RELOC_NUMBER (R_MIPS_PC19_S2, 63)
+ RELOC_NUMBER (R_MIPS_PCHI16, 64)
+ RELOC_NUMBER (R_MIPS_PCLO16, 65)
+ FAKE_RELOC (R_MIPS_max, 66)
/* These relocs are used for the mips16. */
FAKE_RELOC (R_MIPS16_min, 100)
RELOC_NUMBER (R_MIPS16_26, 100)
RELOC_NUMBER (R_MIPS16_TLS_GOTTPREL, 110)
RELOC_NUMBER (R_MIPS16_TLS_TPREL_HI16, 111)
RELOC_NUMBER (R_MIPS16_TLS_TPREL_LO16, 112)
- FAKE_RELOC (R_MIPS16_max, 113)
+ RELOC_NUMBER (R_MIPS16_PC16_S1, 113)
+ FAKE_RELOC (R_MIPS16_max, 114)
/* These relocations are specific to VxWorks. */
RELOC_NUMBER (R_MIPS_COPY, 126)
RELOC_NUMBER (R_MIPS_JUMP_SLOT, 127)
(regs are 32-bits wide). */
#define EF_MIPS_32BITMODE 0x00000100
+/* 32-bit machine but FP registers are 64 bit (-mfp64). */
+#define EF_MIPS_FP64 0x00000200
+
+/* Code in file uses the IEEE 754-2008 NaN encoding convention. */
+#define EF_MIPS_NAN2008 0x00000400
+
/* Architectural Extensions used by this file */
#define EF_MIPS_ARCH_ASE 0x0f000000
/* -mips64r2 code. */
#define E_MIPS_ARCH_64R2 0x80000000
+/* -mips32r6 code. */
+#define E_MIPS_ARCH_32R6 0x90000000
+
+/* -mips64r6 code. */
+#define E_MIPS_ARCH_64R6 0xa0000000
+
/* The ABI of the file. Also see EF_MIPS_ABI2 above. */
#define EF_MIPS_ABI 0x0000F000
#define E_MIPS_MACH_OCTEON 0x008b0000
#define E_MIPS_MACH_XLR 0x008c0000
#define E_MIPS_MACH_OCTEON2 0x008d0000
+#define E_MIPS_MACH_OCTEON3 0x008e0000
#define E_MIPS_MACH_5400 0x00910000
#define E_MIPS_MACH_5900 0x00920000
+#define E_MIPS_MACH_IAMR2 0x00930000
#define E_MIPS_MACH_5500 0x00980000
#define E_MIPS_MACH_9000 0x00990000
#define E_MIPS_MACH_LS2E 0x00A00000
/* Runtime procedure descriptor table exception information (ucode) ??? */
#define SHT_MIPS_PDR_EXCEPTION 0x70000029
+/* ABI related flags section. */
+#define SHT_MIPS_ABIFLAGS 0x7000002a
/* A section of type SHT_MIPS_LIBLIST contains an array of the
following structure. The sh_link field is the section index of the
/* .MIPS.options section. */
#define PT_MIPS_OPTIONS 0x70000002
+
+/* Records ABI related flags. */
+#define PT_MIPS_ABIFLAGS 0x70000003
\f
/* Processor specific dynamic array tags. */
/* Points to the base of a writable PLT. */
#define DT_MIPS_RWPLT 0x70000034
+
+/* Relative offset of run time loader map, used for debugging. */
+#define DT_MIPS_RLD_MAP_REL 0x70000035
\f
/* Flags which may appear in a DT_MIPS_FLAGS entry. */
PLT entries and traditional MIPS lazy binding stubs. We mark the former
with STO_MIPS_PLT to distinguish them from the latter. */
#define STO_MIPS_PLT 0x8
-#define ELF_ST_IS_MIPS_PLT(other) (((other) & STO_MIPS_FLAGS) == STO_MIPS_PLT)
-#define ELF_ST_SET_MIPS_PLT(other) (((other) & ~STO_MIPS_FLAGS) | STO_MIPS_PLT)
+#define ELF_ST_IS_MIPS_PLT(other) \
+ ((ELF_ST_IS_MIPS16 (other) \
+ ? ((other) & (~STO_MIPS16 & STO_MIPS_FLAGS)) \
+ : ((other) & STO_MIPS_FLAGS)) == STO_MIPS_PLT)
+#define ELF_ST_SET_MIPS_PLT(other) \
+ ((ELF_ST_IS_MIPS16 (other) \
+ ? ((other) & (STO_MIPS16 | ~STO_MIPS_FLAGS)) \
+ : ((other) & ~STO_MIPS_FLAGS)) | STO_MIPS_PLT)
/* 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,
bfd_vma ri_gp_value;
} Elf64_Internal_RegInfo;
+/* ABI Flags structure version 0. */
+
+typedef struct
+{
+ /* Version of flags structure. */
+ unsigned char version[2];
+ /* The level of the ISA: 1-5, 32, 64. */
+ unsigned char isa_level[1];
+ /* The revision of ISA: 0 for MIPS V and below, 1-n otherwise. */
+ unsigned char isa_rev[1];
+ /* The size of general purpose registers. */
+ unsigned char gpr_size[1];
+ /* The size of co-processor 1 registers. */
+ unsigned char cpr1_size[1];
+ /* The size of co-processor 2 registers. */
+ unsigned char cpr2_size[1];
+ /* The floating-point ABI. */
+ unsigned char fp_abi[1];
+ /* Processor-specific extension. */
+ unsigned char isa_ext[4];
+ /* Mask of ASEs used. */
+ unsigned char ases[4];
+ /* Mask of general flags. */
+ unsigned char flags1[4];
+ unsigned char flags2[4];
+} Elf_External_ABIFlags_v0;
+
+typedef struct elf_internal_abiflags_v0
+{
+ /* Version of flags structure. */
+ unsigned short version;
+ /* The level of the ISA: 1-5, 32, 64. */
+ unsigned char isa_level;
+ /* The revision of ISA: 0 for MIPS V and below, 1-n otherwise. */
+ unsigned char isa_rev;
+ /* The size of general purpose registers. */
+ unsigned char gpr_size;
+ /* The size of co-processor 1 registers. */
+ unsigned char cpr1_size;
+ /* The size of co-processor 2 registers. */
+ unsigned char cpr2_size;
+ /* The floating-point ABI. */
+ unsigned char fp_abi;
+ /* Processor-specific extension. */
+ unsigned long isa_ext;
+ /* Mask of ASEs used. */
+ unsigned long ases;
+ /* Mask of general flags. */
+ unsigned long flags1;
+ unsigned long flags2;
+} Elf_Internal_ABIFlags_v0;
+
typedef struct
{
/* The hash value computed from the name of the corresponding
extern void bfd_mips_elf64_swap_reginfo_out
(bfd *, const Elf64_Internal_RegInfo *, Elf64_External_RegInfo *);
+/* MIPS ELF flags swapping routines. */
+extern void bfd_mips_elf_swap_abiflags_v0_in
+ (bfd *, const Elf_External_ABIFlags_v0 *, Elf_Internal_ABIFlags_v0 *);
+extern void bfd_mips_elf_swap_abiflags_v0_out
+ (bfd *, const Elf_Internal_ABIFlags_v0 *, Elf_External_ABIFlags_v0 *);
+
/* Masks for the info work of an ODK_EXCEPTIONS descriptor. */
#define OEX_FPU_MIN 0x1f /* FPEs which must be enabled. */
#define OEX_FPU_MAX 0x1f00 /* FPEs which may be enabled. */
/* Masks for the info word of an ODK_HWAND/ODK_HWOR descriptor. */
#define OHWA0_R4KEOP_CHECKED 0x00000001
#define OHWA0_R4KEOP_CLEAN 0x00000002
+
+/* Values for the xxx_size bytes of an ABI flags structure. */
+
+#define AFL_REG_NONE 0x00 /* No registers. */
+#define AFL_REG_32 0x01 /* 32-bit registers. */
+#define AFL_REG_64 0x02 /* 64-bit registers. */
+#define AFL_REG_128 0x03 /* 128-bit registers. */
+
+/* Masks for the ases word of an ABI flags structure. */
+
+#define AFL_ASE_DSP 0x00000001 /* DSP ASE. */
+#define AFL_ASE_DSPR2 0x00000002 /* DSP R2 ASE. */
+#define AFL_ASE_EVA 0x00000004 /* Enhanced VA Scheme. */
+#define AFL_ASE_MCU 0x00000008 /* MCU (MicroController) ASE. */
+#define AFL_ASE_MDMX 0x00000010 /* MDMX ASE. */
+#define AFL_ASE_MIPS3D 0x00000020 /* MIPS-3D ASE. */
+#define AFL_ASE_MT 0x00000040 /* MT ASE. */
+#define AFL_ASE_SMARTMIPS 0x00000080 /* SmartMIPS ASE. */
+#define AFL_ASE_VIRT 0x00000100 /* VZ ASE. */
+#define AFL_ASE_MSA 0x00000200 /* MSA ASE. */
+#define AFL_ASE_MIPS16 0x00000400 /* MIPS16 ASE. */
+#define AFL_ASE_MICROMIPS 0x00000800 /* MICROMIPS ASE. */
+#define AFL_ASE_XPA 0x00001000 /* XPA ASE. */
+#define AFL_ASE_DSPR3 0x00002000 /* DSP R3 ASE. */
+#define AFL_ASE_MIPS16E2 0x00004000 /* MIPS16e2 ASE. */
+#define AFL_ASE_CRC 0x00008000 /* CRC ASE. */
+#define AFL_ASE_RESERVED1 0x00010000 /* Reserved by MIPS Tech for WIP. */
+#define AFL_ASE_GINV 0x00020000 /* GINV ASE. */
+#define AFL_ASE_MASK 0x0002ffff /* All ASEs. */
+
+/* Values for the isa_ext word of an ABI flags structure. */
+
+#define AFL_EXT_XLR 1 /* RMI Xlr instruction. */
+#define AFL_EXT_OCTEON2 2 /* Cavium Networks Octeon2. */
+#define AFL_EXT_OCTEONP 3 /* Cavium Networks OcteonP. */
+#define AFL_EXT_LOONGSON_3A 4 /* Loongson 3A. */
+#define AFL_EXT_OCTEON 5 /* Cavium Networks Octeon. */
+#define AFL_EXT_5900 6 /* MIPS R5900 instruction. */
+#define AFL_EXT_4650 7 /* MIPS R4650 instruction. */
+#define AFL_EXT_4010 8 /* LSI R4010 instruction. */
+#define AFL_EXT_4100 9 /* NEC VR4100 instruction. */
+#define AFL_EXT_3900 10 /* Toshiba R3900 instruction. */
+#define AFL_EXT_10000 11 /* MIPS R10000 instruction. */
+#define AFL_EXT_SB1 12 /* Broadcom SB-1 instruction. */
+#define AFL_EXT_4111 13 /* NEC VR4111/VR4181 instruction. */
+#define AFL_EXT_4120 14 /* NEC VR4120 instruction. */
+#define AFL_EXT_5400 15 /* NEC VR5400 instruction. */
+#define AFL_EXT_5500 16 /* NEC VR5500 instruction. */
+#define AFL_EXT_LOONGSON_2E 17 /* ST Microelectronics Loongson 2E. */
+#define AFL_EXT_LOONGSON_2F 18 /* ST Microelectronics Loongson 2F. */
+#define AFL_EXT_OCTEON3 19 /* Cavium Networks Octeon3. */
+#define AFL_EXT_INTERAPTIV_MR2 20 /* Imagination interAptiv MR2. */
+
+/* Masks for the flags1 word of an ABI flags structure. */
+#define AFL_FLAGS1_ODDSPREG 1 /* Uses odd single-precision registers. */
+
+extern unsigned int bfd_mips_isa_ext (bfd *);
\f
/* Object attribute tags. */
enum
{
/* 0-3 are generic. */
- Tag_GNU_MIPS_ABI_FP = 4, /* Value 1 for hard-float -mdouble-float, 2
- for hard-float -msingle-float, 3 for
- soft-float, 4 for -mips32r2 -mfp64; 0 for
- not tagged or not using any ABIs affected
- by the differences. */
+
+ /* Floating-point ABI used by this object file. */
+ Tag_GNU_MIPS_ABI_FP = 4,
+
+ /* MSA ABI used by this object file. */
+ Tag_GNU_MIPS_ABI_MSA = 8,
};
+/* Object attribute values. */
+enum
+{
+ /* Values defined for Tag_GNU_MIPS_ABI_FP. */
+
+ /* Not tagged or not using any ABIs affected by the differences. */
+ Val_GNU_MIPS_ABI_FP_ANY = 0,
+
+ /* Using hard-float -mdouble-float. */
+ Val_GNU_MIPS_ABI_FP_DOUBLE = 1,
+
+ /* Using hard-float -msingle-float. */
+ Val_GNU_MIPS_ABI_FP_SINGLE = 2,
+
+ /* Using soft-float. */
+ Val_GNU_MIPS_ABI_FP_SOFT = 3,
+
+ /* Using -mips32r2 -mfp64. */
+ Val_GNU_MIPS_ABI_FP_OLD_64 = 4,
+
+ /* Using -mfpxx */
+ Val_GNU_MIPS_ABI_FP_XX = 5,
+
+ /* Using -mips32r2 -mfp64. */
+ Val_GNU_MIPS_ABI_FP_64 = 6,
+
+ /* Using -mips32r2 -mfp64 -mno-odd-spreg. */
+ Val_GNU_MIPS_ABI_FP_64A = 7,
+
+ /* This is reserved for backward-compatibility with an earlier
+ implementation of the MIPS NaN2008 functionality. */
+ Val_GNU_MIPS_ABI_FP_NAN2008 = 8,
+
+ /* Values defined for Tag_GNU_MIPS_ABI_MSA. */
+
+ /* Not tagged or not using any ABIs affected by the differences. */
+ Val_GNU_MIPS_ABI_MSA_ANY = 0,
+
+ /* Using 128-bit MSA. */
+ Val_GNU_MIPS_ABI_MSA_128 = 1,
+};
+
+#ifdef __cplusplus
+}
+#endif
+
#endif /* _ELF_MIPS_H */
projects / thirdparty / binutils-gdb.git / blobdiff