[BFD, AArch64, x86] Improve warning for --force-bti

[deliverable/binutils-gdb.git] / bfd / elfxx-aarch64.c

diff --git a/bfd/elfxx-aarch64.c b/bfd/elfxx-aarch64.c
index 040814097f98071db09564392ed972e2e9f29692..d16f2ecc1ff53f6667993162bcd2d69889ec2585 100644 (file)
--- a/bfd/elfxx-aarch64.c
+++ b/bfd/elfxx-aarch64.c
@@ -719,6 +719,11 @@ _bfd_aarch64_elf_link_setup_gnu_properties (struct bfd_link_info *info,
       prop = _bfd_elf_get_property (ebfd,
                                    GNU_PROPERTY_AARCH64_FEATURE_1_AND,
                                    4);
+      if (gnu_prop & GNU_PROPERTY_AARCH64_FEATURE_1_BTI
+         && !(prop->u.number & GNU_PROPERTY_AARCH64_FEATURE_1_BTI))
+           _bfd_error_handler (_("%pB: warning: BTI turned on by --force-bti "
+                                 "when all inputs do not have BTI in NOTE "
+                                 "section."), ebfd);
       prop->u.number |= gnu_prop;
       prop->pr_kind = property_number;