Convert mov to lea for loading local function address

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

diff --git a/bfd/elf64-x86-64.c b/bfd/elf64-x86-64.c
index a29ba8a324c3adbff9fe5969b7d09d88e9c7a65b..cc40404d7d2cd08122d18bc6a193eb3c279929e7 100644 (file)
--- a/bfd/elf64-x86-64.c
+++ b/bfd/elf64-x86-64.c
@@ -3460,6 +3460,22 @@ elf_x86_64_relocate_section (bfd *output_bfd,
          if (off >= (bfd_vma) -2)
            abort ();
 
+         if (r_type == R_X86_64_GOTPCREL
+             && h->def_regular
+             && SYMBOL_REFERENCES_LOCAL (info, h)
+             && bfd_get_8 (input_bfd,
+                           contents + rel->r_offset - 2) == 0x8b)
+           {
+             /* Convert
+                mov foo@GOTPCREL(%rip), %reg
+                to
+                lea foo(%rip), %reg
+              */
+             bfd_put_8 (output_bfd, 0x8d,
+                        contents + rel->r_offset - 2);
+             break;
+           }
+
          relocation = base_got->output_section->vma
                       + base_got->output_offset + off;
          if (r_type != R_X86_64_GOTPCREL && r_type != R_X86_64_GOTPCREL64)