/* Target-dependent code for the NEC V850 for GDB, the GNU debugger.
- Copyright (C) 1996-2014 Free Software Foundation, Inc.
+ Copyright (C) 1996-2016 Free Software Foundation, Inc.
This file is part of GDB.
#include "dwarf2-frame.h"
#include "gdbtypes.h"
#include "inferior.h"
-#include <string.h>
#include "gdbcore.h"
#include "arch-utils.h"
#include "regcache.h"
if (TYPE_CODE (fld_type) == TYPE_CODE_ARRAY)
{
tgt_type = TYPE_TARGET_TYPE (fld_type);
- if (TYPE_LENGTH (fld_type) >= 0 && TYPE_LENGTH (tgt_type) >= 0
+ if (TYPE_LENGTH (tgt_type) > 0
&& TYPE_LENGTH (fld_type) / TYPE_LENGTH (tgt_type) > 2)
return 1;
}
return RETURN_VALUE_REGISTER_CONVENTION;
}
-static const unsigned char *
-v850_breakpoint_from_pc (struct gdbarch *gdbarch, CORE_ADDR *pcptr,
- int *lenptr)
-{
- static unsigned char breakpoint[] = { 0x85, 0x05 };
+/* Implement the breakpoint_kind_from_pc gdbarch method. */
- *lenptr = sizeof (breakpoint);
- return breakpoint;
+static int
+v850_breakpoint_kind_from_pc (struct gdbarch *gdbarch, CORE_ADDR *pcptr)
+{
+ return 2;
}
-/* Implement software breakpoints by using the dbtrap instruction.
- Older architectures had no such instruction. For those, an
- unconditional branch to self instruction is used. */
+/* Implement the sw_breakpoint_from_kind gdbarch method. */
-static const unsigned char *
-v850_dbtrap_breakpoint_from_pc (struct gdbarch *gdbarch,
- CORE_ADDR *pcptr, int *lenptr)
+static const gdb_byte *
+v850_sw_breakpoint_from_kind (struct gdbarch *gdbarch, int kind, int *size)
{
- static unsigned char breakpoint[] = { 0x40, 0xf8 };
+ *size = kind;
+
+ switch (gdbarch_bfd_arch_info (gdbarch)->mach)
+ {
+ case bfd_mach_v850e2:
+ case bfd_mach_v850e2v3:
+ case bfd_mach_v850e3v5:
+ {
+ /* Implement software breakpoints by using the dbtrap instruction.
+ Older architectures had no such instruction. For those, an
+ unconditional branch to self instruction is used. */
+
+ static unsigned char dbtrap_breakpoint[] = { 0x40, 0xf8 };
+
+ return dbtrap_breakpoint;
+ }
+ break;
+ default:
+ {
+ static unsigned char breakpoint[] = { 0x85, 0x05 };
- *lenptr = sizeof (breakpoint);
- return breakpoint;
+ return breakpoint;
+ }
+ break;
+ }
}
static struct v850_frame_cache *
int i;
if (*this_cache)
- return *this_cache;
+ return (struct v850_frame_cache *) *this_cache;
cache = v850_alloc_frame_cache (this_frame);
*this_cache = cache;
return arches->gdbarch;
}
- tdep = (struct gdbarch_tdep *) xmalloc (sizeof (struct gdbarch_tdep));
+ tdep = XNEW (struct gdbarch_tdep);
tdep->e_flags = e_flags;
tdep->e_machine = e_machine;
set_gdbarch_addr_bit (gdbarch, 4 * TARGET_CHAR_BIT);
set_gdbarch_inner_than (gdbarch, core_addr_lessthan);
- switch (info.bfd_arch_info->mach)
- {
- case bfd_mach_v850e2:
- case bfd_mach_v850e2v3:
- case bfd_mach_v850e3v5:
- set_gdbarch_breakpoint_from_pc (gdbarch, v850_dbtrap_breakpoint_from_pc);
- break;
- default:
- set_gdbarch_breakpoint_from_pc (gdbarch, v850_breakpoint_from_pc);
- break;
- }
+ set_gdbarch_breakpoint_kind_from_pc (gdbarch, v850_breakpoint_kind_from_pc);
+ set_gdbarch_sw_breakpoint_from_kind (gdbarch, v850_sw_breakpoint_from_kind);
set_gdbarch_return_value (gdbarch, v850_return_value);
set_gdbarch_push_dummy_call (gdbarch, v850_push_dummy_call);
set_gdbarch_skip_prologue (gdbarch, v850_skip_prologue);