diff mbox series

[3/4] rs6000: Conditionally define __ROP_PROTECT__

Message ID cd3cd1898399c5a114e55e69d6f95bd5d2b48233.1620958221.git.wschmidt@linux.ibm.com
State New
Headers show
Series ROP support | expand

Commit Message

Bill Schmidt May 14, 2021, 3:34 a.m. UTC 
2021-05-13  Bill Schmidt  <wschmidt@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(+)

Comments

Segher Boessenkool May 14, 2021, 6:51 p.m. UTC | #1 
On Thu, May 13, 2021 at 10:34:56PM -0500, Bill Schmidt via Gcc-patches wrote:
> gcc/
> 	* config/rs6000/rs6000-c.c (rs6000_target_modify_macros): Define
> 	__ROP_PROTECT__ if -mrop-protect is selected.

Okay for trunk and 11.


Segher
diff mbox series

Patch

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