Fix date in ChangeLog entry

[deliverable/binutils-gdb.git] / bfd / elf64-x86-64.c

diff --git a/bfd/elf64-x86-64.c b/bfd/elf64-x86-64.c
index 20f45a917c90700b9b98a9911e0880ef1a5aad3c..432ab588546cef4d9508797c8b08cc2bfc87805b 100644 (file)
--- a/bfd/elf64-x86-64.c
+++ b/bfd/elf64-x86-64.c
@@ -4749,6 +4749,8 @@ elf_x86_64_finish_dynamic_symbol (bfd *output_bfd,
       bfd_byte *loc;
       asection *plt, *gotplt, *relplt, *resolved_plt;
       const struct elf_backend_data *bed;
+      bfd_boolean gotplt_after_plt;
+      int32_t plt_got_pcrel_offset;
 
       /* When building a static executable, use .iplt, .igot.plt and
         .rela.iplt sections for STT_GNU_IFUNC symbols.  */
@@ -4853,14 +4855,23 @@ elf_x86_64_finish_dynamic_symbol (bfd *output_bfd,
 
       /* Put offset the PC-relative instruction referring to the GOT entry,
         subtracting the size of that instruction.  */
-      bfd_put_32 (output_bfd,
-                 (gotplt->output_section->vma
-                  + gotplt->output_offset
-                  + got_offset
-                  - resolved_plt->output_section->vma
-                  - resolved_plt->output_offset
-                  - plt_offset
-                  - plt_got_insn_size),
+      plt_got_pcrel_offset = (gotplt->output_section->vma
+                             + gotplt->output_offset
+                             + got_offset
+                             - resolved_plt->output_section->vma
+                             - resolved_plt->output_offset
+                             - plt_offset
+                             - plt_got_insn_size);
+
+      /* Check PC-relative offset overflow in PLT entry.  */
+      gotplt_after_plt = (gotplt->output_section->vma
+                         > resolved_plt->output_section->vma);
+      if ((gotplt_after_plt && plt_got_pcrel_offset < 0)
+         || (!gotplt_after_plt && plt_got_pcrel_offset > 0))
+       info->callbacks->einfo (_("%F%B: PC-relative offset overflow in PLT entry for `%s'\n"),
+                               output_bfd, h->root.root.string);
+
+      bfd_put_32 (output_bfd, plt_got_pcrel_offset,
                  resolved_plt->contents + plt_offset + plt_got_offset);
 
       /* Fill in the entry in the global offset table, initially this