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[deliverable/binutils-gdb.git] / bfd / elfnn-aarch64.c
diff --git a/bfd/elfnn-aarch64.c b/bfd/elfnn-aarch64.c
index dc24df801e20d053912d52344f641a7566a17db6..3ccca779ff79cb83d3f2fc7de50bb258a55f94bb 100644 (file)
--- a/bfd/elfnn-aarch64.c
+++ b/bfd/elfnn-aarch64.c
@@ -201,6 +201,14 @@
    || (R_TYPE) == BFD_RELOC_AARCH64_TLSLE_ADD_TPREL_HI12       \
    || (R_TYPE) == BFD_RELOC_AARCH64_TLSLE_ADD_TPREL_LO12       \
    || (R_TYPE) == BFD_RELOC_AARCH64_TLSLE_ADD_TPREL_LO12_NC    \
+   || (R_TYPE) == BFD_RELOC_AARCH64_TLSLE_LDST16_TPREL_LO12    \
+   || (R_TYPE) == BFD_RELOC_AARCH64_TLSLE_LDST16_TPREL_LO12_NC \
+   || (R_TYPE) == BFD_RELOC_AARCH64_TLSLE_LDST32_TPREL_LO12    \
+   || (R_TYPE) == BFD_RELOC_AARCH64_TLSLE_LDST32_TPREL_LO12_NC \
+   || (R_TYPE) == BFD_RELOC_AARCH64_TLSLE_LDST64_TPREL_LO12    \
+   || (R_TYPE) == BFD_RELOC_AARCH64_TLSLE_LDST64_TPREL_LO12_NC \
+   || (R_TYPE) == BFD_RELOC_AARCH64_TLSLE_LDST8_TPREL_LO12     \
+   || (R_TYPE) == BFD_RELOC_AARCH64_TLSLE_LDST8_TPREL_LO12_NC  \
    || (R_TYPE) == BFD_RELOC_AARCH64_TLSLE_MOVW_TPREL_G0                \
    || (R_TYPE) == BFD_RELOC_AARCH64_TLSLE_MOVW_TPREL_G0_NC     \
    || (R_TYPE) == BFD_RELOC_AARCH64_TLSLE_MOVW_TPREL_G1                \
@@ -1635,6 +1643,126 @@ static reloc_howto_type elfNN_aarch64_howto_table[] =
         0xfff,                 /* dst_mask */
         FALSE),                /* pcrel_offset */
 
+  /* LD/ST16: bit[11:1] of byte offset to module TLS base address.  */
+  HOWTO (AARCH64_R (TLSLE_LDST16_TPREL_LO12),  /* type */
+        1,                     /* rightshift */
+        2,                     /* size (0 = byte, 1 = short, 2 = long) */
+        11,                    /* bitsize */
+        FALSE,                 /* pc_relative */
+        10,                    /* bitpos */
+        complain_overflow_unsigned,    /* complain_on_overflow */
+        bfd_elf_generic_reloc, /* special_function */
+        AARCH64_R_STR (TLSLE_LDST16_TPREL_LO12),       /* name */
+        FALSE,                 /* partial_inplace */
+        0x1ffc00,              /* src_mask */
+        0x1ffc00,              /* dst_mask */
+        FALSE),                /* pcrel_offset */
+
+  /* Same as BFD_RELOC_AARCH64_TLSLE_LDST16_TPREL_LO12, but no overflow check.  */
+  HOWTO (AARCH64_R (TLSLE_LDST16_TPREL_LO12_NC),       /* type */
+        1,                     /* rightshift */
+        2,                     /* size (0 = byte, 1 = short, 2 = long) */
+        11,                    /* bitsize */
+        FALSE,                 /* pc_relative */
+        10,                    /* bitpos */
+        complain_overflow_dont,        /* complain_on_overflow */
+        bfd_elf_generic_reloc, /* special_function */
+        AARCH64_R_STR (TLSLE_LDST16_TPREL_LO12_NC),    /* name */
+        FALSE,                 /* partial_inplace */
+        0x1ffc00,              /* src_mask */
+        0x1ffc00,              /* dst_mask */
+        FALSE),                /* pcrel_offset */
+
+  /* LD/ST32: bit[11:2] of byte offset to module TLS base address.  */
+  HOWTO (AARCH64_R (TLSLE_LDST32_TPREL_LO12),  /* type */
+        2,                     /* rightshift */
+        2,                     /* size (0 = byte, 1 = short, 2 = long) */
+        10,                    /* bitsize */
+        FALSE,                 /* pc_relative */
+        10,                    /* bitpos */
+        complain_overflow_unsigned,    /* complain_on_overflow */
+        bfd_elf_generic_reloc, /* special_function */
+        AARCH64_R_STR (TLSLE_LDST32_TPREL_LO12),       /* name */
+        FALSE,                 /* partial_inplace */
+        0xffc00,               /* src_mask */
+        0xffc00,               /* dst_mask */
+        FALSE),                /* pcrel_offset */
+
+  /* Same as BFD_RELOC_AARCH64_TLSLE_LDST32_TPREL_LO12, but no overflow check.  */
+  HOWTO (AARCH64_R (TLSLE_LDST32_TPREL_LO12_NC),       /* type */
+        2,                     /* rightshift */
+        2,                     /* size (0 = byte, 1 = short, 2 = long) */
+        10,                    /* bitsize */
+        FALSE,                 /* pc_relative */
+        10,                    /* bitpos */
+        complain_overflow_dont,        /* complain_on_overflow */
+        bfd_elf_generic_reloc, /* special_function */
+        AARCH64_R_STR (TLSLE_LDST32_TPREL_LO12_NC),    /* name */
+        FALSE,                 /* partial_inplace */
+        0xffc00,               /* src_mask */
+        0xffc00,               /* dst_mask */
+        FALSE),                /* pcrel_offset */
+
+  /* LD/ST64: bit[11:3] of byte offset to module TLS base address.  */
+  HOWTO (AARCH64_R (TLSLE_LDST64_TPREL_LO12),  /* type */
+        3,                     /* rightshift */
+        2,                     /* size (0 = byte, 1 = short, 2 = long) */
+        9,                     /* bitsize */
+        FALSE,                 /* pc_relative */
+        10,                    /* bitpos */
+        complain_overflow_unsigned,    /* complain_on_overflow */
+        bfd_elf_generic_reloc, /* special_function */
+        AARCH64_R_STR (TLSLE_LDST64_TPREL_LO12),       /* name */
+        FALSE,                 /* partial_inplace */
+        0x7fc00,               /* src_mask */
+        0x7fc00,               /* dst_mask */
+        FALSE),                /* pcrel_offset */
+
+  /* Same as BFD_RELOC_AARCH64_TLSLE_LDST64_TPREL_LO12, but no overflow check.  */
+  HOWTO (AARCH64_R (TLSLE_LDST64_TPREL_LO12_NC),       /* type */
+        3,                     /* rightshift */
+        2,                     /* size (0 = byte, 1 = short, 2 = long) */
+        9,                     /* bitsize */
+        FALSE,                 /* pc_relative */
+        10,                    /* bitpos */
+        complain_overflow_dont,        /* complain_on_overflow */
+        bfd_elf_generic_reloc, /* special_function */
+        AARCH64_R_STR (TLSLE_LDST64_TPREL_LO12_NC),    /* name */
+        FALSE,                 /* partial_inplace */
+        0x7fc00,               /* src_mask */
+        0x7fc00,               /* dst_mask */
+        FALSE),                /* pcrel_offset */
+
+  /* LD/ST8: bit[11:0] of byte offset to module TLS base address.  */
+  HOWTO (AARCH64_R (TLSLE_LDST8_TPREL_LO12),   /* type */
+        0,                     /* rightshift */
+        2,                     /* size (0 = byte, 1 = short, 2 = long) */
+        12,                    /* bitsize */
+        FALSE,                 /* pc_relative */
+        10,                    /* bitpos */
+        complain_overflow_unsigned,    /* complain_on_overflow */
+        bfd_elf_generic_reloc, /* special_function */
+        AARCH64_R_STR (TLSLE_LDST8_TPREL_LO12),        /* name */
+        FALSE,                 /* partial_inplace */
+        0x3ffc00,              /* src_mask */
+        0x3ffc00,              /* dst_mask */
+        FALSE),                /* pcrel_offset */
+
+  /* Same as BFD_RELOC_AARCH64_TLSLE_LDST8_TPREL_LO12, but no overflow check.  */
+  HOWTO (AARCH64_R (TLSLE_LDST8_TPREL_LO12_NC),        /* type */
+        0,                     /* rightshift */
+        2,                     /* size (0 = byte, 1 = short, 2 = long) */
+        12,                    /* bitsize */
+        FALSE,                 /* pc_relative */
+        10,                    /* bitpos */
+        complain_overflow_dont,        /* complain_on_overflow */
+        bfd_elf_generic_reloc, /* special_function */
+        AARCH64_R_STR (TLSLE_LDST8_TPREL_LO12_NC),     /* name */
+        FALSE,                 /* partial_inplace */
+        0x3ffc00,              /* src_mask */
+        0x3ffc00,              /* dst_mask */
+        FALSE),                /* pcrel_offset */
+
   HOWTO (AARCH64_R (TLSDESC_LD_PREL19),        /* type */
         2,                     /* rightshift */
         2,                     /* size (0 = byte, 1 = short, 2 = long) */
@@ -5074,6 +5202,7 @@ elfNN_aarch64_final_link_relocate (reloc_howto_type *howto,
   asection *base_got;
   bfd_vma orig_value = value;
   bfd_boolean resolved_to_zero;
+  bfd_boolean abs_symbol_p;
 
   globals = elf_aarch64_hash_table (info);
 
@@ -5093,6 +5222,9 @@ elfNN_aarch64_final_link_relocate (reloc_howto_type *howto,
 
   weak_undef_p = (h ? h->root.type == bfd_link_hash_undefweak
                  : bfd_is_und_section (sym_sec));
+  abs_symbol_p = (h !=NULL && h->root.type == bfd_link_hash_defined
+                 && bfd_is_abs_section (h->root.u.def.section));
+
 
   /* Since STT_GNU_IFUNC symbol must go through PLT, we handle
      it here if it is defined in a non-shared object.  */
@@ -5106,6 +5238,11 @@ elfNN_aarch64_final_link_relocate (reloc_howto_type *howto,
 
       if ((input_section->flags & SEC_ALLOC) == 0)
        {
+         /* If this is a SHT_NOTE section without SHF_ALLOC, treat
+            STT_GNU_IFUNC symbol as STT_FUNC.  */
+         if (elf_section_type (input_section) == SHT_NOTE)
+           goto skip_ifunc;
+
          /* Dynamic relocs are not propagated for SEC_DEBUGGING
             sections because such sections are not SEC_ALLOC and
             thus ld.so will not process them.  */
@@ -5301,6 +5438,7 @@ bad_ifunc_reloc:
        }
     }
 
+ skip_ifunc:
   resolved_to_zero = (h != NULL
                      && UNDEFWEAK_NO_DYNAMIC_RELOC (info, h));
 
@@ -5360,6 +5498,12 @@ bad_ifunc_reloc:
              skip = TRUE;
              relocate = TRUE;
            }
+         else if (abs_symbol_p)
+           {
+             /* Local absolute symbol.  */
+             skip = (h->forced_local || (h->dynindx == -1));
+             relocate = skip;
+           }
 
          outrel.r_offset += (input_section->output_section->vma
                              + input_section->output_offset);
@@ -5369,8 +5513,7 @@ bad_ifunc_reloc:
          else if (h != NULL
                   && h->dynindx != -1
                   && (!bfd_link_pic (info)
-                      || !(bfd_link_pie (info)
-                           || SYMBOLIC_BIND (info, h))
+                      || !(bfd_link_pie (info) || SYMBOLIC_BIND (info, h))
                       || !h->def_regular))
            outrel.r_info = ELFNN_R_INFO (h->dynindx, r_type);
          else
@@ -5695,6 +5838,14 @@ bad_ifunc_reloc:
     case BFD_RELOC_AARCH64_TLSLE_ADD_TPREL_HI12:
     case BFD_RELOC_AARCH64_TLSLE_ADD_TPREL_LO12:
     case BFD_RELOC_AARCH64_TLSLE_ADD_TPREL_LO12_NC:
+    case BFD_RELOC_AARCH64_TLSLE_LDST16_TPREL_LO12:
+    case BFD_RELOC_AARCH64_TLSLE_LDST16_TPREL_LO12_NC:
+    case BFD_RELOC_AARCH64_TLSLE_LDST32_TPREL_LO12:
+    case BFD_RELOC_AARCH64_TLSLE_LDST32_TPREL_LO12_NC:
+    case BFD_RELOC_AARCH64_TLSLE_LDST64_TPREL_LO12:
+    case BFD_RELOC_AARCH64_TLSLE_LDST64_TPREL_LO12_NC:
+    case BFD_RELOC_AARCH64_TLSLE_LDST8_TPREL_LO12:
+    case BFD_RELOC_AARCH64_TLSLE_LDST8_TPREL_LO12_NC:
     case BFD_RELOC_AARCH64_TLSLE_MOVW_TPREL_G0:
     case BFD_RELOC_AARCH64_TLSLE_MOVW_TPREL_G0_NC:
     case BFD_RELOC_AARCH64_TLSLE_MOVW_TPREL_G1:
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