/* Target-dependent code for the Renesas RX for GDB, the GNU debugger.
- Copyright (C) 2008, 2009, 2010 Free Software Foundation, Inc.
+ Copyright (C) 2008-2017 Free Software Foundation, Inc.
Contributed by Red Hat, Inc.
#include "elf/rx.h"
#include "elf-bfd.h"
+#include <algorithm>
/* Certain important register numbers. */
enum
RX_R4_REGNUM = 4,
RX_FP_REGNUM = 6,
RX_R15_REGNUM = 15,
+ RX_USP_REGNUM = 16,
+ RX_PSW_REGNUM = 18,
RX_PC_REGNUM = 19,
- RX_NUM_REGS = 25
+ RX_BPSW_REGNUM = 21,
+ RX_BPC_REGNUM = 22,
+ RX_FPSW_REGNUM = 24,
+ RX_ACC_REGNUM = 25,
+ RX_NUM_REGS = 26
+};
+
+/* RX frame types. */
+enum rx_frame_type {
+ RX_FRAME_TYPE_NORMAL,
+ RX_FRAME_TYPE_EXCEPTION,
+ RX_FRAME_TYPE_FAST_INTERRUPT
};
/* Architecture specific data. */
{
/* The ELF header flags specify the multilib used. */
int elf_flags;
+
+ /* Type of PSW and BPSW. */
+ struct type *rx_psw_type;
+
+ /* Type of FPSW. */
+ struct type *rx_fpsw_type;
};
/* This structure holds the results of a prologue analysis. */
struct rx_prologue
{
+ /* Frame type, either a normal frame or one of two types of exception
+ frames. */
+ enum rx_frame_type frame_type;
+
/* The offset from the frame base to the stack pointer --- always
zero or negative.
"r13",
"r14",
"r15",
- "isp",
"usp",
- "intb",
- "pc",
+ "isp",
"psw",
- "bpc",
+ "pc",
+ "intb",
"bpsw",
- "vct",
- "fpsw"
+ "bpc",
+ "fintv",
+ "fpsw",
+ "acc"
};
return reg_names[regnr];
}
+/* Construct the flags type for PSW and BPSW. */
+
+static struct type *
+rx_psw_type (struct gdbarch *gdbarch)
+{
+ struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
+
+ if (tdep->rx_psw_type == NULL)
+ {
+ tdep->rx_psw_type = arch_flags_type (gdbarch, "rx_psw_type", 32);
+ append_flags_type_flag (tdep->rx_psw_type, 0, "C");
+ append_flags_type_flag (tdep->rx_psw_type, 1, "Z");
+ append_flags_type_flag (tdep->rx_psw_type, 2, "S");
+ append_flags_type_flag (tdep->rx_psw_type, 3, "O");
+ append_flags_type_flag (tdep->rx_psw_type, 16, "I");
+ append_flags_type_flag (tdep->rx_psw_type, 17, "U");
+ append_flags_type_flag (tdep->rx_psw_type, 20, "PM");
+ append_flags_type_flag (tdep->rx_psw_type, 24, "IPL0");
+ append_flags_type_flag (tdep->rx_psw_type, 25, "IPL1");
+ append_flags_type_flag (tdep->rx_psw_type, 26, "IPL2");
+ append_flags_type_flag (tdep->rx_psw_type, 27, "IPL3");
+ }
+ return tdep->rx_psw_type;
+}
+
+/* Construct flags type for FPSW. */
+
+static struct type *
+rx_fpsw_type (struct gdbarch *gdbarch)
+{
+ struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
+
+ if (tdep->rx_fpsw_type == NULL)
+ {
+ tdep->rx_fpsw_type = arch_flags_type (gdbarch, "rx_fpsw_type", 32);
+ append_flags_type_flag (tdep->rx_fpsw_type, 0, "RM0");
+ append_flags_type_flag (tdep->rx_fpsw_type, 1, "RM1");
+ append_flags_type_flag (tdep->rx_fpsw_type, 2, "CV");
+ append_flags_type_flag (tdep->rx_fpsw_type, 3, "CO");
+ append_flags_type_flag (tdep->rx_fpsw_type, 4, "CZ");
+ append_flags_type_flag (tdep->rx_fpsw_type, 5, "CU");
+ append_flags_type_flag (tdep->rx_fpsw_type, 6, "CX");
+ append_flags_type_flag (tdep->rx_fpsw_type, 7, "CE");
+ append_flags_type_flag (tdep->rx_fpsw_type, 8, "DN");
+ append_flags_type_flag (tdep->rx_fpsw_type, 10, "EV");
+ append_flags_type_flag (tdep->rx_fpsw_type, 11, "EO");
+ append_flags_type_flag (tdep->rx_fpsw_type, 12, "EZ");
+ append_flags_type_flag (tdep->rx_fpsw_type, 13, "EU");
+ append_flags_type_flag (tdep->rx_fpsw_type, 14, "EX");
+ append_flags_type_flag (tdep->rx_fpsw_type, 26, "FV");
+ append_flags_type_flag (tdep->rx_fpsw_type, 27, "FO");
+ append_flags_type_flag (tdep->rx_fpsw_type, 28, "FZ");
+ append_flags_type_flag (tdep->rx_fpsw_type, 29, "FU");
+ append_flags_type_flag (tdep->rx_fpsw_type, 30, "FX");
+ append_flags_type_flag (tdep->rx_fpsw_type, 31, "FS");
+ }
+
+ return tdep->rx_fpsw_type;
+}
+
/* Implement the "register_type" gdbarch method. */
static struct type *
rx_register_type (struct gdbarch *gdbarch, int reg_nr)
{
if (reg_nr == RX_PC_REGNUM)
return builtin_type (gdbarch)->builtin_func_ptr;
+ else if (reg_nr == RX_PSW_REGNUM || reg_nr == RX_BPSW_REGNUM)
+ return rx_psw_type (gdbarch);
+ else if (reg_nr == RX_FPSW_REGNUM)
+ return rx_fpsw_type (gdbarch);
+ else if (reg_nr == RX_ACC_REGNUM)
+ return builtin_type (gdbarch)->builtin_unsigned_long_long;
else
return builtin_type (gdbarch)->builtin_unsigned_long;
}
/* Function for finding saved registers in a 'struct pv_area'; this
- function is passed to pv_area_scan.
+ function is passed to pv_area::scan.
If VALUE is a saved register, ADDR says it was saved at a constant
offset from the frame base, and SIZE indicates that the whole
if (value.kind == pvk_register
&& value.k == 0
&& pv_is_register (addr, RX_SP_REGNUM)
- && size == register_size (target_gdbarch, value.reg))
+ && size == register_size (target_gdbarch (), value.reg))
result->reg_offset[value.reg] = addr.k;
}
static int
rx_get_opcode_byte (void *handle)
{
- struct rx_get_opcode_byte_handle *opcdata = handle;
+ struct rx_get_opcode_byte_handle *opcdata
+ = (struct rx_get_opcode_byte_handle *) handle;
int status;
gdb_byte byte;
- status = target_read_memory (opcdata->pc, &byte, 1);
+ status = target_read_code (opcdata->pc, &byte, 1);
if (status == 0)
{
opcdata->pc += 1;
/* Analyze a prologue starting at START_PC, going no further than
LIMIT_PC. Fill in RESULT as appropriate. */
+
static void
-rx_analyze_prologue (CORE_ADDR start_pc,
- CORE_ADDR limit_pc, struct rx_prologue *result)
+rx_analyze_prologue (CORE_ADDR start_pc, CORE_ADDR limit_pc,
+ enum rx_frame_type frame_type,
+ struct rx_prologue *result)
{
CORE_ADDR pc, next_pc;
int rn;
pv_t reg[RX_NUM_REGS];
- struct pv_area *stack;
- struct cleanup *back_to;
CORE_ADDR after_last_frame_setup_insn = start_pc;
memset (result, 0, sizeof (*result));
+ result->frame_type = frame_type;
+
for (rn = 0; rn < RX_NUM_REGS; rn++)
{
reg[rn] = pv_register (rn, 0);
result->reg_offset[rn] = 1;
}
- stack = make_pv_area (RX_SP_REGNUM, gdbarch_addr_bit (target_gdbarch));
- back_to = make_cleanup_free_pv_area (stack);
+ pv_area stack (RX_SP_REGNUM, gdbarch_addr_bit (target_gdbarch ()));
+
+ if (frame_type == RX_FRAME_TYPE_FAST_INTERRUPT)
+ {
+ /* This code won't do anything useful at present, but this is
+ what happens for fast interrupts. */
+ reg[RX_BPSW_REGNUM] = reg[RX_PSW_REGNUM];
+ reg[RX_BPC_REGNUM] = reg[RX_PC_REGNUM];
+ }
+ else
+ {
+ /* When an exception occurs, the PSW is saved to the interrupt stack
+ first. */
+ if (frame_type == RX_FRAME_TYPE_EXCEPTION)
+ {
+ reg[RX_SP_REGNUM] = pv_add_constant (reg[RX_SP_REGNUM], -4);
+ stack.store (reg[RX_SP_REGNUM], 4, reg[RX_PSW_REGNUM]);
+ }
+
+ /* The call instruction (or an exception/interrupt) has saved the return
+ address on the stack. */
+ reg[RX_SP_REGNUM] = pv_add_constant (reg[RX_SP_REGNUM], -4);
+ stack.store (reg[RX_SP_REGNUM], 4, reg[RX_PC_REGNUM]);
+
+ }
- /* The call instruction has saved the return address on the stack. */
- reg[RX_SP_REGNUM] = pv_add_constant (reg[RX_SP_REGNUM], -4);
- pv_area_store (stack, reg[RX_SP_REGNUM], 4, reg[RX_PC_REGNUM]);
pc = start_pc;
while (pc < limit_pc)
for (r = r2; r >= r1; r--)
{
reg[RX_SP_REGNUM] = pv_add_constant (reg[RX_SP_REGNUM], -4);
- pv_area_store (stack, reg[RX_SP_REGNUM], 4, reg[r]);
+ stack.store (reg[RX_SP_REGNUM], 4, reg[r]);
}
after_last_frame_setup_insn = next_pc;
}
rsrc = opc.op[1].reg;
reg[RX_SP_REGNUM] = pv_add_constant (reg[RX_SP_REGNUM], -4);
- pv_area_store (stack, reg[RX_SP_REGNUM], 4, reg[rsrc]);
+ stack.store (reg[RX_SP_REGNUM], 4, reg[rsrc]);
after_last_frame_setup_insn = next_pc;
}
else if (opc.id == RXO_add /* add #const, rsrc, rdst */
}
else if (opc.id == RXO_branch
&& opc.op[0].type == RX_Operand_Immediate
- && opc.op[1].type == RX_Operand_Condition
&& next_pc < opc.op[0].addend)
{
/* When a loop appears as the first statement of a function
}
/* Record where all the registers were saved. */
- pv_area_scan (stack, check_for_saved, (void *) result);
+ stack.scan (check_for_saved, (void *) result);
result->prologue_end = after_last_frame_setup_insn;
-
- do_cleanups (back_to);
}
static CORE_ADDR
rx_skip_prologue (struct gdbarch *gdbarch, CORE_ADDR pc)
{
- char *name;
+ const char *name;
CORE_ADDR func_addr, func_end;
struct rx_prologue p;
if (!find_pc_partial_function (pc, &name, &func_addr, &func_end))
return pc;
- rx_analyze_prologue (pc, func_end, &p);
+ /* The frame type doesn't matter here, since we only care about
+ where the prologue ends. We'll use RX_FRAME_TYPE_NORMAL. */
+ rx_analyze_prologue (pc, func_end, RX_FRAME_TYPE_NORMAL, &p);
return p.prologue_end;
}
associated function if there is not cache entry as specified by
THIS_PROLOGUE_CACHE. Save the decoded prologue in the cache and
return that struct as the value of this function. */
+
static struct rx_prologue *
rx_analyze_frame_prologue (struct frame_info *this_frame,
+ enum rx_frame_type frame_type,
void **this_prologue_cache)
{
if (!*this_prologue_cache)
if (!func_start)
stop_addr = func_start;
- rx_analyze_prologue (func_start, stop_addr, *this_prologue_cache);
+ rx_analyze_prologue (func_start, stop_addr, frame_type,
+ (struct rx_prologue *) *this_prologue_cache);
+ }
+
+ return (struct rx_prologue *) *this_prologue_cache;
+}
+
+/* Determine type of frame by scanning the function for a return
+ instruction. */
+
+static enum rx_frame_type
+rx_frame_type (struct frame_info *this_frame, void **this_cache)
+{
+ const char *name;
+ CORE_ADDR pc, start_pc, lim_pc;
+ int bytes_read;
+ struct rx_get_opcode_byte_handle opcode_handle;
+ RX_Opcode_Decoded opc;
+
+ gdb_assert (this_cache != NULL);
+
+ /* If we have a cached value, return it. */
+
+ if (*this_cache != NULL)
+ {
+ struct rx_prologue *p = (struct rx_prologue *) *this_cache;
+
+ return p->frame_type;
+ }
+
+ /* No cached value; scan the function. The frame type is cached in
+ rx_analyze_prologue / rx_analyze_frame_prologue. */
+
+ pc = get_frame_pc (this_frame);
+
+ /* Attempt to find the last address in the function. If it cannot
+ be determined, set the limit to be a short ways past the frame's
+ pc. */
+ if (!find_pc_partial_function (pc, &name, &start_pc, &lim_pc))
+ lim_pc = pc + 20;
+
+ while (pc < lim_pc)
+ {
+ opcode_handle.pc = pc;
+ bytes_read = rx_decode_opcode (pc, &opc, rx_get_opcode_byte,
+ &opcode_handle);
+
+ if (bytes_read <= 0 || opc.id == RXO_rts)
+ return RX_FRAME_TYPE_NORMAL;
+ else if (opc.id == RXO_rtfi)
+ return RX_FRAME_TYPE_FAST_INTERRUPT;
+ else if (opc.id == RXO_rte)
+ return RX_FRAME_TYPE_EXCEPTION;
+
+ pc += bytes_read;
}
- return *this_prologue_cache;
+ return RX_FRAME_TYPE_NORMAL;
}
+
/* Given the next frame and a prologue cache, return this frame's
base. */
+
static CORE_ADDR
-rx_frame_base (struct frame_info *this_frame, void **this_prologue_cache)
+rx_frame_base (struct frame_info *this_frame, void **this_cache)
{
+ enum rx_frame_type frame_type = rx_frame_type (this_frame, this_cache);
struct rx_prologue *p
- = rx_analyze_frame_prologue (this_frame, this_prologue_cache);
+ = rx_analyze_frame_prologue (this_frame, frame_type, this_cache);
/* In functions that use alloca, the distance between the stack
pointer and the frame base varies dynamically, so we can't use
}
/* Implement the "frame_this_id" method for unwinding frames. */
+
static void
-rx_frame_this_id (struct frame_info *this_frame,
- void **this_prologue_cache, struct frame_id *this_id)
+rx_frame_this_id (struct frame_info *this_frame, void **this_cache,
+ struct frame_id *this_id)
{
- *this_id = frame_id_build (rx_frame_base (this_frame, this_prologue_cache),
+ *this_id = frame_id_build (rx_frame_base (this_frame, this_cache),
get_frame_func (this_frame));
}
/* Implement the "frame_prev_register" method for unwinding frames. */
+
static struct value *
-rx_frame_prev_register (struct frame_info *this_frame,
- void **this_prologue_cache, int regnum)
+rx_frame_prev_register (struct frame_info *this_frame, void **this_cache,
+ int regnum)
{
+ enum rx_frame_type frame_type = rx_frame_type (this_frame, this_cache);
struct rx_prologue *p
- = rx_analyze_frame_prologue (this_frame, this_prologue_cache);
- CORE_ADDR frame_base = rx_frame_base (this_frame, this_prologue_cache);
- int reg_size = register_size (get_frame_arch (this_frame), regnum);
+ = rx_analyze_frame_prologue (this_frame, frame_type, this_cache);
+ CORE_ADDR frame_base = rx_frame_base (this_frame, this_cache);
if (regnum == RX_SP_REGNUM)
- return frame_unwind_got_constant (this_frame, regnum, frame_base);
+ {
+ if (frame_type == RX_FRAME_TYPE_EXCEPTION)
+ {
+ struct value *psw_val;
+ CORE_ADDR psw;
+
+ psw_val = rx_frame_prev_register (this_frame, this_cache,
+ RX_PSW_REGNUM);
+ psw = extract_unsigned_integer (value_contents_all (psw_val), 4,
+ gdbarch_byte_order (
+ get_frame_arch (this_frame)));
+
+ if ((psw & 0x20000 /* U bit */) != 0)
+ return rx_frame_prev_register (this_frame, this_cache,
+ RX_USP_REGNUM);
+
+ /* Fall through for the case where U bit is zero. */
+ }
+
+ return frame_unwind_got_constant (this_frame, regnum, frame_base);
+ }
+
+ if (frame_type == RX_FRAME_TYPE_FAST_INTERRUPT)
+ {
+ if (regnum == RX_PC_REGNUM)
+ return rx_frame_prev_register (this_frame, this_cache,
+ RX_BPC_REGNUM);
+ if (regnum == RX_PSW_REGNUM)
+ return rx_frame_prev_register (this_frame, this_cache,
+ RX_BPSW_REGNUM);
+ }
/* If prologue analysis says we saved this register somewhere,
return a description of the stack slot holding it. */
- else if (p->reg_offset[regnum] != 1)
+ if (p->reg_offset[regnum] != 1)
return frame_unwind_got_memory (this_frame, regnum,
frame_base + p->reg_offset[regnum]);
/* Otherwise, presume we haven't changed the value of this
register, and get it from the next frame. */
+ return frame_unwind_got_register (this_frame, regnum, regnum);
+}
+
+/* Return TRUE if the frame indicated by FRAME_TYPE is a normal frame. */
+
+static int
+normal_frame_p (enum rx_frame_type frame_type)
+{
+ return (frame_type == RX_FRAME_TYPE_NORMAL);
+}
+
+/* Return TRUE if the frame indicated by FRAME_TYPE is an exception
+ frame. */
+
+static int
+exception_frame_p (enum rx_frame_type frame_type)
+{
+ return (frame_type == RX_FRAME_TYPE_EXCEPTION
+ || frame_type == RX_FRAME_TYPE_FAST_INTERRUPT);
+}
+
+/* Common code used by both normal and exception frame sniffers. */
+
+static int
+rx_frame_sniffer_common (const struct frame_unwind *self,
+ struct frame_info *this_frame,
+ void **this_cache,
+ int (*sniff_p)(enum rx_frame_type) )
+{
+ gdb_assert (this_cache != NULL);
+
+ if (*this_cache == NULL)
+ {
+ enum rx_frame_type frame_type = rx_frame_type (this_frame, this_cache);
+
+ if (sniff_p (frame_type))
+ {
+ /* The call below will fill in the cache, including the frame
+ type. */
+ (void) rx_analyze_frame_prologue (this_frame, frame_type, this_cache);
+
+ return 1;
+ }
+ else
+ return 0;
+ }
else
- return frame_unwind_got_register (this_frame, regnum, regnum);
+ {
+ struct rx_prologue *p = (struct rx_prologue *) *this_cache;
+
+ return sniff_p (p->frame_type);
+ }
+}
+
+/* Frame sniffer for normal (non-exception) frames. */
+
+static int
+rx_frame_sniffer (const struct frame_unwind *self,
+ struct frame_info *this_frame,
+ void **this_cache)
+{
+ return rx_frame_sniffer_common (self, this_frame, this_cache,
+ normal_frame_p);
+}
+
+/* Frame sniffer for exception frames. */
+
+static int
+rx_exception_sniffer (const struct frame_unwind *self,
+ struct frame_info *this_frame,
+ void **this_cache)
+{
+ return rx_frame_sniffer_common (self, this_frame, this_cache,
+ exception_frame_p);
}
+/* Data structure for normal code using instruction-based prologue
+ analyzer. */
+
static const struct frame_unwind rx_frame_unwind = {
NORMAL_FRAME,
+ default_frame_unwind_stop_reason,
rx_frame_this_id,
rx_frame_prev_register,
NULL,
- default_frame_sniffer
+ rx_frame_sniffer
+};
+
+/* Data structure for exception code using instruction-based prologue
+ analyzer. */
+
+static const struct frame_unwind rx_exception_unwind = {
+ /* SIGTRAMP_FRAME could be used here, but backtraces are less informative. */
+ NORMAL_FRAME,
+ default_frame_unwind_stop_reason,
+ rx_frame_this_id,
+ rx_frame_prev_register,
+ NULL,
+ rx_exception_sniffer
};
/* Implement the "unwind_pc" gdbarch method. */
struct_addr);
}
else if (TYPE_CODE (arg_type) != TYPE_CODE_STRUCT
- && TYPE_CODE (arg_type) != TYPE_CODE_UNION)
+ && TYPE_CODE (arg_type) != TYPE_CODE_UNION
+ && arg_size <= 8)
{
/* Argument is a scalar. */
if (arg_size == 8)
&& arg_size <= 4 * (RX_R4_REGNUM - arg_reg + 1)
&& arg_size % 4 == 0)
{
- int len = min (arg_size, 4);
+ int len = std::min (arg_size, (ULONGEST) 4);
if (write_pass)
regcache_cooked_write_unsigned (regcache, arg_reg,
/* Implement the "return_value" gdbarch method. */
static enum return_value_convention
rx_return_value (struct gdbarch *gdbarch,
- struct type *func_type,
+ struct value *function,
struct type *valtype,
struct regcache *regcache,
gdb_byte *readbuf, const gdb_byte *writebuf)
while (valtype_len > 0)
{
- int len = min (valtype_len, 4);
+ int len = std::min (valtype_len, (ULONGEST) 4);
regcache_cooked_read_unsigned (regcache, argreg, &u);
store_unsigned_integer (readbuf + offset, len, byte_order, u);
while (valtype_len > 0)
{
- int len = min (valtype_len, 4);
+ int len = std::min (valtype_len, (ULONGEST) 4);
u = extract_unsigned_integer (writebuf + offset, len, byte_order);
regcache_cooked_write_unsigned (regcache, argreg, u);
return RETURN_VALUE_REGISTER_CONVENTION;
}
-/* Implement the "breakpoint_from_pc" gdbarch method. */
-const gdb_byte *
-rx_breakpoint_from_pc (struct gdbarch *gdbarch, CORE_ADDR *pcptr, int *lenptr)
+constexpr gdb_byte rx_break_insn[] = { 0x00 };
+
+typedef BP_MANIPULATION (rx_break_insn) rx_breakpoint;
+
+/* Implement the dwarf_reg_to_regnum" gdbarch method. */
+
+static int
+rx_dwarf_reg_to_regnum (struct gdbarch *gdbarch, int reg)
{
- static gdb_byte breakpoint[] = { 0x00 };
- *lenptr = sizeof breakpoint;
- return breakpoint;
+ if (0 <= reg && reg <= 15)
+ return reg;
+ else if (reg == 16)
+ return RX_PSW_REGNUM;
+ else if (reg == 17)
+ return RX_PC_REGNUM;
+ else
+ return -1;
}
/* Allocate and initialize a gdbarch object. */
/* None found, create a new architecture from the information
provided. */
- tdep = (struct gdbarch_tdep *) xmalloc (sizeof (struct gdbarch_tdep));
+ tdep = XCNEW (struct gdbarch_tdep);
gdbarch = gdbarch_alloc (&info, tdep);
tdep->elf_flags = elf_flags;
set_gdbarch_sp_regnum (gdbarch, RX_SP_REGNUM);
set_gdbarch_inner_than (gdbarch, core_addr_lessthan);
set_gdbarch_decr_pc_after_break (gdbarch, 1);
- set_gdbarch_breakpoint_from_pc (gdbarch, rx_breakpoint_from_pc);
+ set_gdbarch_breakpoint_kind_from_pc (gdbarch, rx_breakpoint::kind_from_pc);
+ set_gdbarch_sw_breakpoint_from_kind (gdbarch, rx_breakpoint::bp_from_kind);
set_gdbarch_skip_prologue (gdbarch, rx_skip_prologue);
- set_gdbarch_print_insn (gdbarch, print_insn_rx);
-
set_gdbarch_unwind_pc (gdbarch, rx_unwind_pc);
set_gdbarch_unwind_sp (gdbarch, rx_unwind_sp);
set_gdbarch_long_double_format (gdbarch, floatformats_ieee_single);
}
+ /* DWARF register mapping. */
+ set_gdbarch_dwarf2_reg_to_regnum (gdbarch, rx_dwarf_reg_to_regnum);
+
/* Frame unwinding. */
-#if 0
- /* Note: The test results are better with the dwarf2 unwinder disabled,
- so it's turned off for now. */
+ frame_unwind_append_unwinder (gdbarch, &rx_exception_unwind);
dwarf2_append_unwinders (gdbarch);
-#endif
frame_unwind_append_unwinder (gdbarch, &rx_frame_unwind);
/* Methods for saving / extracting a dummy frame's ID.
}
/* Register the above initialization routine. */
+
void
_initialize_rx_tdep (void)
{
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