/* Target-dependent code for the IQ2000 architecture, for GDB, the GNU
Debugger.
- Copyright (C) 2000-2015 Free Software Foundation, Inc.
+ Copyright (C) 2000-2018 Free Software Foundation, Inc.
Contributed by Red Hat.
struct symtab_and_line sal;
CORE_ADDR pc;
CORE_ADDR loop_end;
- int found_store_lr = 0;
- int found_decr_sp = 0;
int srcreg;
int tgtreg;
signed short offset;
if (tgtreg >= 0 && tgtreg < E_NUM_REGS)
cache->saved_regs[tgtreg] = -((signed short) (insn & 0xffff));
- if (tgtreg == E_LR_REGNUM)
- found_store_lr = 1;
continue;
}
{
/* addi %1, %1, -N == addi %sp, %sp, -N */
/* LEGACY -- from assembly-only port. */
- found_decr_sp = 1;
cache->framesize = -((signed short) (insn & 0xffff));
continue;
}
int i;
if (*this_cache)
- return *this_cache;
+ return (struct iq2000_frame_cache *) *this_cache;
cache = FRAME_OBSTACK_ZALLOC (struct iq2000_frame_cache);
iq2000_init_frame_cache (cache);
iq2000_frame_base_address
};
-static const unsigned char *
-iq2000_breakpoint_from_pc (struct gdbarch *gdbarch, CORE_ADDR *pcptr,
- int *lenptr)
+static int
+iq2000_breakpoint_kind_from_pc (struct gdbarch *gdbarch, CORE_ADDR *pcptr)
{
- static const unsigned char big_breakpoint[] = { 0x00, 0x00, 0x00, 0x0d };
- static const unsigned char little_breakpoint[] = { 0x0d, 0x00, 0x00, 0x00 };
-
if ((*pcptr & 3) != 0)
error (_("breakpoint_from_pc: invalid breakpoint address 0x%lx"),
(long) *pcptr);
- *lenptr = 4;
+ return 4;
+}
+
+static const gdb_byte *
+iq2000_sw_breakpoint_from_kind (struct gdbarch *gdbarch, int kind, int *size)
+{
+ static const unsigned char big_breakpoint[] = { 0x00, 0x00, 0x00, 0x0d };
+ static const unsigned char little_breakpoint[] = { 0x0d, 0x00, 0x00, 0x00 };
+ *size = kind;
+
return (gdbarch_byte_order (gdbarch)
== BFD_ENDIAN_BIG) ? big_breakpoint : little_breakpoint;
}
static void
iq2000_extract_return_value (struct type *type, struct regcache *regcache,
- void *valbuf)
+ gdb_byte *valbuf)
{
- struct gdbarch *gdbarch = get_regcache_arch (regcache);
+ struct gdbarch *gdbarch = regcache->arch ();
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
/* If the function's return value is 8 bytes or less, it is
regcache_cooked_read_unsigned (regcache, regno++, &tmp);
store_unsigned_integer (valbuf, size, byte_order, tmp);
len -= size;
- valbuf = ((char *) valbuf) + size;
+ valbuf += size;
}
}
else
set_gdbarch_double_format (gdbarch, floatformats_ieee_double);
set_gdbarch_long_double_format (gdbarch, floatformats_ieee_double);
set_gdbarch_return_value (gdbarch, iq2000_return_value);
- set_gdbarch_breakpoint_from_pc (gdbarch, iq2000_breakpoint_from_pc);
+ set_gdbarch_breakpoint_kind_from_pc (gdbarch,
+ iq2000_breakpoint_kind_from_pc);
+ set_gdbarch_sw_breakpoint_from_kind (gdbarch,
+ iq2000_sw_breakpoint_from_kind);
set_gdbarch_frame_args_skip (gdbarch, 0);
set_gdbarch_skip_prologue (gdbarch, iq2000_skip_prologue);
set_gdbarch_inner_than (gdbarch, core_addr_lessthan);
- set_gdbarch_print_insn (gdbarch, print_insn_iq2000);
set_gdbarch_register_type (gdbarch, iq2000_register_type);
set_gdbarch_frame_align (gdbarch, iq2000_frame_align);
set_gdbarch_unwind_sp (gdbarch, iq2000_unwind_sp);
Initializer function for the iq2000 module.
Called by gdb at start-up. */
-/* Provide a prototype to silence -Wmissing-prototypes. */
-extern initialize_file_ftype _initialize_iq2000_tdep;
-
void
_initialize_iq2000_tdep (void)
{