From: Aditya Vidyadhar Kamath <Aditya.Kamath1@ibm.com>
Date: Fri, 25 Aug 2023 14:12:57 +0000 (-0500)
Subject: Fix 64 bit red zone frame size in AIX
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=26fca3f1fe3739939094161e94a80723cab52420;p=binutils-gdb.git

Fix 64 bit red zone frame size in AIX
---

diff --git a/gdb/rs6000-aix-tdep.c b/gdb/rs6000-aix-tdep.c
index 829f55981ca..1894f60d014 100644
--- a/gdb/rs6000-aix-tdep.c
+++ b/gdb/rs6000-aix-tdep.c
@@ -1391,7 +1391,9 @@ rs6000_aix_init_osabi (struct gdbarch_info info, struct gdbarch *gdbarch)
        224.  */
     set_gdbarch_frame_red_zone_size (gdbarch, 224);
   else
-    set_gdbarch_frame_red_zone_size (gdbarch, 0);
+    /* In 64 bit mode the red zone should have 18 8 byte GPRS + 18 8 byte
+       FPRS making it 288 bytes.  This is 16 byte aligned as well.  */
+    set_gdbarch_frame_red_zone_size (gdbarch, 288);
 
   if (tdep->wordsize == 8)
     set_gdbarch_wchar_bit (gdbarch, 32);