Fix "set integer-command unlimited junk"

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

diff --git a/gdb/arm-tdep.c b/gdb/arm-tdep.c
index 98da3051451c5ac32654a5bc88ff77eb0ba0b314..742bfa570691be025d46f86a20f975ce7f15fd15 100644 (file)
--- a/gdb/arm-tdep.c
+++ b/gdb/arm-tdep.c
@@ -55,7 +55,7 @@
 #include "coff/internal.h"
 #include "elf/arm.h"
 
-#include "vec.h"
+#include "common/vec.h"
 
 #include "record.h"
 #include "record-full.h"
@@ -70,7 +70,7 @@
 #include "features/arm/arm-with-neon.c"
 
 #if GDB_SELF_TEST
-#include "selftest.h"
+#include "common/selftest.h"
 #endif
 
 static int arm_debug;
@@ -3059,38 +3059,6 @@ struct frame_base arm_normal_base = {
   arm_normal_frame_base
 };
 
-/* Assuming THIS_FRAME is a dummy, return the frame ID of that
-   dummy frame.  The frame ID's base needs to match the TOS value
-   saved by save_dummy_frame_tos() and returned from
-   arm_push_dummy_call, and the PC needs to match the dummy frame's
-   breakpoint.  */
-
-static struct frame_id
-arm_dummy_id (struct gdbarch *gdbarch, struct frame_info *this_frame)
-{
-  return frame_id_build (get_frame_register_unsigned (this_frame,
-                                                     ARM_SP_REGNUM),
-                        get_frame_pc (this_frame));
-}
-
-/* Given THIS_FRAME, find the previous frame's resume PC (which will
-   be used to construct the previous frame's ID, after looking up the
-   containing function).  */
-
-static CORE_ADDR
-arm_unwind_pc (struct gdbarch *gdbarch, struct frame_info *this_frame)
-{
-  CORE_ADDR pc;
-  pc = frame_unwind_register_unsigned (this_frame, ARM_PC_REGNUM);
-  return arm_addr_bits_remove (gdbarch, pc);
-}
-
-static CORE_ADDR
-arm_unwind_sp (struct gdbarch *gdbarch, struct frame_info *this_frame)
-{
-  return frame_unwind_register_unsigned (this_frame, ARM_SP_REGNUM);
-}
-
 static struct value *
 arm_dwarf2_prev_register (struct frame_info *this_frame, void **this_cache,
                          int regnum)
@@ -3346,62 +3314,25 @@ pop_stack_item (struct stack_item *si)
   return si;
 }
 
+/* Implement the gdbarch type alignment method, overrides the generic
+   alignment algorithm for anything that is arm specific.  */
 
-/* Return the alignment (in bytes) of the given type.  */
-
-static int
-arm_type_align (struct type *t)
+static ULONGEST
+arm_type_align (gdbarch *gdbarch, struct type *t)
 {
-  int n;
-  int align;
-  int falign;
-
   t = check_typedef (t);
-  switch (TYPE_CODE (t))
+  if (TYPE_CODE (t) == TYPE_CODE_ARRAY && TYPE_VECTOR (t))
     {
-    default:
-      /* Should never happen.  */
-      internal_error (__FILE__, __LINE__, _("unknown type alignment"));
-      return 4;
-
-    case TYPE_CODE_PTR:
-    case TYPE_CODE_ENUM:
-    case TYPE_CODE_INT:
-    case TYPE_CODE_FLT:
-    case TYPE_CODE_SET:
-    case TYPE_CODE_RANGE:
-    case TYPE_CODE_REF:
-    case TYPE_CODE_RVALUE_REF:
-    case TYPE_CODE_CHAR:
-    case TYPE_CODE_BOOL:
-      return TYPE_LENGTH (t);
-
-    case TYPE_CODE_ARRAY:
-      if (TYPE_VECTOR (t))
-       {
-         /* Use the natural alignment for vector types (the same for
-            scalar type), but the maximum alignment is 64-bit.  */
-         if (TYPE_LENGTH (t) > 8)
-           return 8;
-         else
-           return TYPE_LENGTH (t);
-       }
+      /* Use the natural alignment for vector types (the same for
+        scalar type), but the maximum alignment is 64-bit.  */
+      if (TYPE_LENGTH (t) > 8)
+       return 8;
       else
-       return arm_type_align (TYPE_TARGET_TYPE (t));
-    case TYPE_CODE_COMPLEX:
-      return arm_type_align (TYPE_TARGET_TYPE (t));
-
-    case TYPE_CODE_STRUCT:
-    case TYPE_CODE_UNION:
-      align = 1;
-      for (n = 0; n < TYPE_NFIELDS (t); n++)
-       {
-         falign = arm_type_align (TYPE_FIELD_TYPE (t, n));
-         if (falign > align)
-           align = falign;
-       }
-      return align;
+       return TYPE_LENGTH (t);
     }
+
+  /* Allow the common code to calculate the alignment.  */
+  return 0;
 }
 
 /* Possible base types for a candidate for passing and returning in
@@ -3747,7 +3678,7 @@ arm_push_dummy_call (struct gdbarch *gdbarch, struct value *function,
       typecode = TYPE_CODE (arg_type);
       val = value_contents (args[argnum]);
 
-      align = arm_type_align (arg_type);
+      align = type_align (arg_type);
       /* Round alignment up to a whole number of words.  */
       align = (align + INT_REGISTER_SIZE - 1) & ~(INT_REGISTER_SIZE - 1);
       /* Different ABIs have different maximum alignments.  */
@@ -9341,6 +9272,9 @@ arm_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
   else
     set_gdbarch_wchar_signed (gdbarch, 1);
 
+  /* Compute type alignment.  */
+  set_gdbarch_type_align (gdbarch, arm_type_align);
+
   /* Note: for displaced stepping, this includes the breakpoint, and one word
      of additional scratch space.  This setting isn't used for anything beside
      displaced stepping at present.  */
@@ -9362,11 +9296,6 @@ arm_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
 
   set_gdbarch_write_pc (gdbarch, arm_write_pc);
 
-  /* Frame handling.  */
-  set_gdbarch_dummy_id (gdbarch, arm_dummy_id);
-  set_gdbarch_unwind_pc (gdbarch, arm_unwind_pc);
-  set_gdbarch_unwind_sp (gdbarch, arm_unwind_sp);
-
   frame_base_set_default (gdbarch, &arm_normal_base);
 
   /* Address manipulation.  */