bfd/bpf-reloc.def

   1   /* This reloc does nothing.  */
   2   BPF_HOWTO (R_BPF_NONE,                /* type */
   3          0,                     /* rightshift */
   4          0,                     /* size */
   5          0,                     /* bitsize */
   6          false,                 /* pc_relative */
   7          0,                     /* bitpos */
   8          complain_overflow_dont, /* complain_on_overflow */
   9          bpf_elf_generic_reloc, /* special_function */
  10          "R_BPF_NONE",          /* name */
  11          false,                 /* partial_inplace */
  12          0,                     /* src_mask */
  13          0,                     /* dst_mask */
  14          false)         /* pcrel_offset */
  15
  16   /* 64-immediate in LDDW instruction.  */
  17   BPF_HOWTO (R_BPF_64_64,               /* type */
  18          0,                     /* rightshift */
  19          8,                     /* size */
  20          64,                    /* bitsize */
  21          false,                 /* pc_relative */
  22          32,                    /* bitpos */
  23          complain_overflow_signed, /* complain_on_overflow */
  24          bpf_elf_generic_reloc, /* special_function */
  25          "R_BPF_64_64", /* name */
  26          true,                  /* partial_inplace */
  27          MINUS_ONE,             /* src_mask */
  28          MINUS_ONE,             /* dst_mask */
  29          true)                  /* pcrel_offset */
  30
  31   /* 32-bit data.  */
  32   BPF_HOWTO (R_BPF_64_ABS32,            /* type */
  33          0,                     /* rightshift */
  34          4,                     /* size */
  35          32,                    /* bitsize */
  36          false,                 /* pc_relative */
  37          0,                     /* bitpos */
  38          complain_overflow_bitfield, /* complain_on_overflow */
  39          bpf_elf_generic_reloc, /* special_function */
  40          "R_BPF_64_ABS32",      /* name */
  41          true,                  /* partial_inplace */
  42          0xffffffff,            /* src_mask */
  43          0xffffffff,            /* dst_mask */
  44          true)                  /* pcrel_offset */
  45
  46   /* 64-bit data.  */
  47   BPF_HOWTO (R_BPF_64_ABS64,            /* type */
  48          0,                     /* rightshift */
  49          8,                     /* size */
  50          64,                    /* bitsize */
  51          false,                 /* pc_relative */
  52          0,                     /* bitpos */
  53          complain_overflow_bitfield, /* complain_on_overflow */
  54          bpf_elf_generic_reloc, /* special_function */
  55          "R_BPF_64_ABS64",      /* name */
  56          true,                  /* partial_inplace */
  57          0,                     /* src_mask */
  58          MINUS_ONE,             /* dst_mask */
  59          true)                  /* pcrel_offset */
  60
  61   /* 32-bit PC-relative address in call instructions.  */
  62   BPF_HOWTO (R_BPF_64_32,      /* type */
  63         0,                     /* rightshift */
  64         4,                     /* size */
  65         32,                    /* bitsize */
  66         true,                  /* pc_relative */
  67         32,                    /* bitpos */
  68         complain_overflow_signed, /* complain_on_overflow */
  69         bpf_elf_generic_reloc, /* special_function */
  70         "R_BPF_64_32",         /* name */
  71         true,                  /* partial_inplace */
  72         0xffffffff,            /* src_mask */
  73         0xffffffff,            /* dst_mask */
  74         true)                  /* pcrel_offset */
  75
  76   /* 16-bit PC-relative address in load instructions.  */
  77   BPF_HOWTO (R_BPF_GNU_64_16,      /* type */
  78         0,                     /* rightshift */
  79         2,                     /* size */
  80         16,                    /* bitsize */
  81         true,                  /* pc_relative */
  82         16,                    /* bitpos */
  83         complain_overflow_signed, /* complain_on_overflow */
  84         bpf_elf_generic_reloc, /* special_function */
  85         "R_BPF_GNU_64_16",     /* name */
  86         true,                  /* partial_inplace */
  87         0xffff,                /* src_mask */
  88         0xffff,                /* dst_mask */
  89         true)                  /* pcrel_offset */
  90
  91   /* R_BPF_64_NODYLD32 is not used by GNU tools - but it is generated by LLVM.
  92      We provide an entry here so that tools like strip can safely handle BPF
  93      binaries generated by other tools.
  94      R_BPF_64_NODYLD32 should be fixed at linker like a R_BPF_64_ABS32.
  95      The difference to ABS32 is that LLVM execution engine does not resolve
  96      R_BPF_64_NODYLD32 relocations.  */
  97   BPF_HOWTO (R_BPF_64_NODYLD32, /* type */
  98          0,                     /* rightshift */
  99          4,                     /* size */
 100          32,                    /* bitsize */
 101          false,                 /* pc_relative */
 102          0,                     /* bitpos */
 103          complain_overflow_bitfield, /* complain_on_overflow */
 104          bpf_elf_generic_reloc, /* special_function */
 105          "R_BPF_64_NODYLD32",   /* name */
 106          true,                  /* partial_inplace */
 107          0xffffffff,            /* src_mask */
 108          0xffffffff,            /* dst_mask */
 109          true)                  /* pcrel_offset */