Explicitly include <array> for std::array<>.

[deliverable/binutils-gdb.git] / gdb / amd64-nat.c

diff --git a/gdb/amd64-nat.c b/gdb/amd64-nat.c
index 680105b47c8e39e084248d93c8038faf808014fb..ff0433997ea4e6bb3c559da13838b0e1212b77b5 100644 (file)
--- a/gdb/amd64-nat.c
+++ b/gdb/amd64-nat.c
@@ -68,6 +68,13 @@ amd64_native_gregset_reg_offset (struct gdbarch *gdbarch, int regnum)
   if (regnum >= num_regs)
     return -1;
 
+  /* Kernels that predate Linux 2.6.25 don't provide access to
+     these segment registers in user_regs_struct.   */
+#ifndef HAVE_STRUCT_USER_REGS_STRUCT_FS_BASE
+  if (regnum == AMD64_FSBASE_REGNUM || regnum == AMD64_GSBASE_REGNUM)
+    return -1;
+#endif
+
   return reg_offset[regnum];
 }