Fix PR threads/19422 - show which thread caused stop

[deliverable/binutils-gdb.git] / gdb / aarch64-tdep.c

diff --git a/gdb/aarch64-tdep.c b/gdb/aarch64-tdep.c
index 2d1df03e19c17cdf38ce6ba0cfb173601970cefa..c7da618e0ceaf19ca94dc199cc987c1d502ac892 100644 (file)
--- a/gdb/aarch64-tdep.c
+++ b/gdb/aarch64-tdep.c
@@ -1,6 +1,6 @@
 /* Common target dependent code for GDB on AArch64 systems.
 
-   Copyright (C) 2009-2015 Free Software Foundation, Inc.
+   Copyright (C) 2009-2016 Free Software Foundation, Inc.
    Contributed by ARM Ltd.
 
    This file is part of GDB.
@@ -855,7 +855,8 @@ aarch64_dwarf2_frame_init_reg (struct gdbarch *gdbarch, int regnum,
 
 typedef struct
 {
-  /* Value to pass on stack.  */
+  /* Value to pass on stack.  It can be NULL if this item is for stack
+     padding.  */
   const gdb_byte *data;
 
   /* Size in bytes of value to pass on stack.  */
@@ -1124,7 +1125,7 @@ pass_on_stack (struct aarch64_call_info *info, struct type *type,
       int pad = align - (info->nsaa & (align - 1));
 
       item.len = pad;
-      item.data = buf;
+      item.data = NULL;
 
       VEC_safe_push (stack_item_t, info->si, &item);
       info->nsaa += pad;
@@ -1382,7 +1383,8 @@ aarch64_push_dummy_call (struct gdbarch *gdbarch, struct value *function,
       stack_item_t *si = VEC_last (stack_item_t, info.si);
 
       sp -= si->len;
-      write_memory (sp, si->data, si->len);
+      if (si->data != NULL)
+       write_memory (sp, si->data, si->len);
       VEC_pop (stack_item_t, info.si);
     }