Relocate block range start and end addresses

[binutils-gdb.git] / bfd / elf32-i386.c

diff --git a/bfd/elf32-i386.c b/bfd/elf32-i386.c
index 5163e2468f0d047ee5d926d63a41b4a91207ad4e..49797dcbfaffd335a326e50a068dd456b74ad78d 100644 (file)
--- a/bfd/elf32-i386.c
+++ b/bfd/elf32-i386.c
@@ -348,7 +348,7 @@ elf_i386_reloc_type_lookup (bfd *abfd,
     default:
       TRACE ("Unknown");
       /* xgettext:c-format */
-      _bfd_error_handler (_("%pB: invalid Alpha reloc number: %d"),
+      _bfd_error_handler (_("%pB: unsupported relocation type: %#x"),
                          abfd, (int) code);
       bfd_set_error (bfd_error_bad_value);
       return NULL;
@@ -766,6 +766,12 @@ static const struct elf_x86_lazy_plt_layout elf_i386_lazy_plt =
     sizeof (elf_i386_lazy_plt0_entry), /* plt0_entry_size */
     elf_i386_lazy_plt_entry,           /* plt_entry */
     LAZY_PLT_ENTRY_SIZE,               /* plt_entry_size */
+    NULL,                              /* plt_tlsdesc_entry */
+    0,                                 /* plt_tlsdesc_entry_size*/
+    0,                                 /* plt_tlsdesc_got1_offset */
+    0,                                 /* plt_tlsdesc_got2_offset */
+    0,                                 /* plt_tlsdesc_got1_insn_end */
+    0,                                 /* plt_tlsdesc_got2_insn_end */
     2,                                 /* plt0_got1_offset */
     8,                                 /* plt0_got2_offset */
     0,                                 /* plt0_got2_insn_end */
@@ -798,6 +804,12 @@ static const struct elf_x86_lazy_plt_layout elf_i386_lazy_ibt_plt =
     sizeof (elf_i386_lazy_ibt_plt0_entry), /* plt0_entry_size */
     elf_i386_lazy_ibt_plt_entry,       /* plt_entry */
     LAZY_PLT_ENTRY_SIZE,               /* plt_entry_size */
+    NULL,                              /* plt_tlsdesc_entry */
+    0,                                 /* plt_tlsdesc_entry_size*/
+    0,                                 /* plt_tlsdesc_got1_offset */
+    0,                                 /* plt_tlsdesc_got2_offset */
+    0,                                 /* plt_tlsdesc_got1_insn_end */
+    0,                                 /* plt_tlsdesc_got2_insn_end */
     2,                                 /* plt0_got1_offset */
     8,                                 /* plt0_got2_offset */
     0,                                 /* plt0_got2_insn_end */
@@ -2221,6 +2233,10 @@ elf_i386_relocate_section (bfd *output_bfd,
 
          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.  */
@@ -2440,72 +2456,14 @@ do_ifunc_pointer:
            }
        }
 
+skip_ifunc:
       resolved_to_zero = (eh != NULL
                          && UNDEFINED_WEAK_RESOLVED_TO_ZERO (info, eh));
 
       switch (r_type)
        {
        case R_386_GOT32X:
-         /* Avoid optimizing _DYNAMIC since ld.so may use its
-            link-time address.  */
-         if (h == htab->elf.hdynamic)
-           goto r_386_got32;
-
-         if (bfd_link_pic (info))
-           {
-             /* It is OK to convert mov to lea and convert indirect
-                branch to direct branch.  It is OK to convert adc,
-                add, and, cmp, or, sbb, sub, test, xor only when PIC
-                is false.   */
-             unsigned int opcode, addend;
-             addend = bfd_get_32 (input_bfd, contents + rel->r_offset);
-             if (addend != 0)
-               goto r_386_got32;
-             opcode = bfd_get_8 (input_bfd, contents + rel->r_offset - 2);
-             if (opcode != 0x8b && opcode != 0xff)
-               goto r_386_got32;
-           }
-
-         /* Resolve "mov GOT[(%reg)], %reg",
-            "call/jmp *GOT[(%reg)]", "test %reg, foo@GOT[(%reg)]"
-            and "binop foo@GOT[(%reg)], %reg".  */
-         if (h == NULL
-             || (h->plt.offset == (bfd_vma) -1
-                 && h->got.offset == (bfd_vma) -1)
-             || htab->elf.sgotplt == NULL)
-           abort ();
-
-         offplt = (htab->elf.sgotplt->output_section->vma
-                   + htab->elf.sgotplt->output_offset);
-
-         /* It is relative to .got.plt section.  */
-         if (h->got.offset != (bfd_vma) -1)
-           /* Use GOT entry.  Mask off the least significant bit in
-              GOT offset which may be set by R_386_GOT32 processing
-              below.  */
-           relocation = (htab->elf.sgot->output_section->vma
-                         + htab->elf.sgot->output_offset
-                         + (h->got.offset & ~1) - offplt);
-         else
-           /* Use GOTPLT entry.  */
-           relocation = (h->plt.offset / plt_entry_size
-                         - htab->plt.has_plt0 + 3) * 4;
-
-         if (!bfd_link_pic (info))
-           {
-             /* If not PIC, add the .got.plt section address for
-                baseless addressing.  */
-             unsigned int modrm;
-             modrm = bfd_get_8 (input_bfd, contents + rel->r_offset - 1);
-             if ((modrm & 0xc7) == 0x5)
-               relocation += offplt;
-           }
-
-         unresolved_reloc = FALSE;
-         break;
-
        case R_386_GOT32:
-r_386_got32:
          /* Relocation is to the entry for this symbol in the global
             offset table.  */
          if (htab->elf.sgot == NULL)
@@ -3800,6 +3758,8 @@ elf_i386_finish_dynamic_symbol (bfd *output_bfd,
        sym->st_value = 0;
     }
 
+  _bfd_x86_elf_link_fixup_ifunc_symbol (info, htab, h, sym);
+
   /* Don't generate dynamic GOT relocation against undefined weak
      symbol in executable.  */
   if (h->got.offset != (bfd_vma) -1
@@ -4430,6 +4390,8 @@ elf_i386_link_setup_gnu_properties (struct bfd_link_info *info)
 
 #define elf_backend_linux_prpsinfo32_ugid16    TRUE
 
+#define        elf32_bed                             elf32_i386_bed
+
 #include "elf32-target.h"
 
 /* FreeBSD support.  */
@@ -4778,6 +4740,12 @@ static const struct elf_x86_lazy_plt_layout elf_i386_nacl_plt =
     sizeof (elf_i386_nacl_plt0_entry), /* plt0_entry_size */
     elf_i386_nacl_plt_entry,           /* plt_entry */
     NACL_PLT_ENTRY_SIZE,               /* plt_entry_size */
+    NULL,                              /* plt_tlsdesc_entry */
+    0,                                 /* plt_tlsdesc_entry_size*/
+    0,                                 /* plt_tlsdesc_got1_offset */
+    0,                                 /* plt_tlsdesc_got2_offset */
+    0,                                 /* plt_tlsdesc_got1_insn_end */
+    0,                                 /* plt_tlsdesc_got2_insn_end */
     2,                                 /* plt0_got1_offset */
     8,                                 /* plt0_got2_offset */
     0,                                 /* plt0_got2_insn_end */