gdb

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

diff --git a/gdb/sparc-tdep.c b/gdb/sparc-tdep.c
index f129a55003dc86640825b901cd834df6e598ad56..fd7078366de17dfe5dff86fc06dda1114a631bab 100644 (file)
--- a/gdb/sparc-tdep.c
+++ b/gdb/sparc-tdep.c
@@ -221,7 +221,11 @@ sparc_floating_p (const struct type *type)
   return 0;
 }
 
-/* Check whether TYPE is "Structure or Union".  */
+/* Check whether TYPE is "Structure or Union".
+
+   In terms of Ada subprogram calls, arrays are treated the same as
+   struct and union types.  So this function also returns non-zero
+   for array types.  */
 
 static int
 sparc_structure_or_union_p (const struct type *type)
@@ -230,6 +234,7 @@ sparc_structure_or_union_p (const struct type *type)
     {
     case TYPE_CODE_STRUCT:
     case TYPE_CODE_UNION:
+    case TYPE_CODE_ARRAY:
       return 1;
     default:
       break;
@@ -393,6 +398,13 @@ sparc32_pseudo_register_write (struct gdbarch *gdbarch,
 }
 \f
 
+static CORE_ADDR
+sparc32_frame_align (struct gdbarch *gdbarch, CORE_ADDR address)
+{
+  /* The ABI requires double-word alignment.  */
+  return address & ~0x7;
+}
+
 static CORE_ADDR
 sparc32_push_dummy_code (struct gdbarch *gdbarch, CORE_ADDR sp,
                         CORE_ADDR funcaddr,
@@ -1105,6 +1117,7 @@ sparc32_store_return_value (struct type *type, struct regcache *regcache,
 
   gdb_assert (!sparc_structure_or_union_p (type));
   gdb_assert (!(sparc_floating_p (type) && len == 16));
+  gdb_assert (len <= 8);
 
   if (sparc_floating_p (type))
     {
@@ -1401,6 +1414,7 @@ sparc32_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
   set_gdbarch_fp0_regnum (gdbarch, SPARC_F0_REGNUM); /* %f0 */
 
   /* Call dummy code.  */
+  set_gdbarch_frame_align (gdbarch, sparc32_frame_align);
   set_gdbarch_call_dummy_location (gdbarch, ON_STACK);
   set_gdbarch_push_dummy_code (gdbarch, sparc32_push_dummy_code);
   set_gdbarch_push_dummy_call (gdbarch, sparc32_push_dummy_call);