#include "coff/internal.h"
#include "elf/arm.h"
-#include "vec.h"
+#include "common/vec.h"
#include "record.h"
#include "record-full.h"
#include "features/arm/arm-with-neon.c"
#if GDB_SELF_TEST
-#include "selftest.h"
+#include "common/selftest.h"
#endif
static int arm_debug;
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)
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
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. */
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. */
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. */