PR23980, assertion fail

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

diff --git a/bfd/elf32-i386.c b/bfd/elf32-i386.c
index 557084647cbbcbf35891f0b3601b6e56e284f5dc..7fe6afb8cfc5a8c8d1bd67f71aef2a008a9318fd 100644 (file)
--- a/bfd/elf32-i386.c
+++ b/bfd/elf32-i386.c
@@ -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 */
@@ -2016,7 +2028,11 @@ elf_i386_relocate_section (bfd *output_bfd,
   if (htab == NULL)
     return FALSE;
 
-  BFD_ASSERT (is_x86_elf (input_bfd, htab));
+  if (!is_x86_elf (input_bfd, htab))
+    {
+      bfd_set_error (bfd_error_wrong_format);
+      return FALSE;
+    }
 
   symtab_hdr = &elf_symtab_hdr (input_bfd);
   sym_hashes = elf_sym_hashes (input_bfd);
@@ -2185,7 +2201,7 @@ elf_i386_relocate_section (bfd *output_bfd,
       if (sec != NULL && discarded_section (sec))
        {
          _bfd_clear_contents (howto, input_bfd, input_section,
-                              contents + rel->r_offset);
+                              contents, rel->r_offset);
          wrel->r_offset = rel->r_offset;
          wrel->r_info = 0;
          wrel->r_addend = 0;
@@ -2451,66 +2467,7 @@ skip_ifunc:
       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)
@@ -3805,6 +3762,8 @@ 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
@@ -4435,6 +4394,8 @@ 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.  */
@@ -4783,6 +4744,12 @@ 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 */