Fix PR gdb/20948: --write option to GDB causes segmentation fault

[deliverable/binutils-gdb.git] / gdb / trad-frame.c

diff --git a/gdb/trad-frame.c b/gdb/trad-frame.c
index e16bfd729397a17b5257e91b36eeb7434faa872e..fd9f24084dc8187faca877067543f31ec13d8b97 100644 (file)
--- a/gdb/trad-frame.c
+++ b/gdb/trad-frame.c
@@ -1,6 +1,6 @@
 /* Traditional frame unwind support, for GDB the GNU Debugger.
 
-   Copyright (C) 2003-2017 Free Software Foundation, Inc.
+   Copyright (C) 2003-2018 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -105,6 +105,26 @@ trad_frame_set_value (struct trad_frame_saved_reg this_saved_regs[],
   this_saved_regs[regnum].addr = val;
 }
 
+/* See trad-frame.h.  */
+
+void
+trad_frame_set_realreg (struct trad_frame_saved_reg this_saved_regs[],
+                       int regnum, int realreg)
+{
+  this_saved_regs[regnum].realreg = realreg;
+  this_saved_regs[regnum].addr = -1;
+}
+
+/* See trad-frame.h.  */
+
+void
+trad_frame_set_addr (struct trad_frame_saved_reg this_saved_regs[],
+                    int regnum, CORE_ADDR addr)
+{
+  this_saved_regs[regnum].realreg = regnum;
+  this_saved_regs[regnum].addr = addr;
+}
+
 void
 trad_frame_set_reg_value (struct trad_frame_cache *this_trad_cache,
                          int regnum, LONGEST val)
@@ -118,15 +138,14 @@ void
 trad_frame_set_reg_realreg (struct trad_frame_cache *this_trad_cache,
                            int regnum, int realreg)
 {
-  this_trad_cache->prev_regs[regnum].realreg = realreg;
-  this_trad_cache->prev_regs[regnum].addr = -1;
+  trad_frame_set_realreg (this_trad_cache->prev_regs, regnum, realreg);
 }
 
 void
 trad_frame_set_reg_addr (struct trad_frame_cache *this_trad_cache,
                         int regnum, CORE_ADDR addr)
 {
-  this_trad_cache->prev_regs[regnum].addr = addr;
+  trad_frame_set_addr (this_trad_cache->prev_regs, regnum, addr);
 }
 
 void