[PATCH 3/4] rs6000: Conditionally define __ROP_PROTECT__

[Bill Schmidt via Gcc-patches]

2021-03-25  Bill Schmidt  <wschm...@linux.ibm.com>

gcc/
        * config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Define
        __ROP_PROTECT__ if -mrop-protect is selected.
---
 gcc/config/rs6000/rs6000-c.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/gcc/config/rs6000/rs6000-c.c b/gcc/config/rs6000/rs6000-c.c
index 0f8a629ff5a..afcb5bb6e39 100644
--- a/gcc/config/rs6000/rs6000-c.c
+++ b/gcc/config/rs6000/rs6000-c.c
@@ -602,6 +602,9 @@ rs6000_target_modify_macros (bool define_p, HOST_WIDE_INT 
flags,
   /* Whether pc-relative code is being generated.  */
   if ((flags & OPTION_MASK_PCREL) != 0)
     rs6000_define_or_undefine_macro (define_p, "__PCREL__");
+  /* Tell the user -mrop-protect is in play.  */
+  if (rs6000_rop_protect)
+    rs6000_define_or_undefine_macro (define_p, "__ROP_PROTECT__");
 }
 
 void
-- 
2.27.0