#include "defs.h"
#include "frame.h"
-#include "obstack.h"
#include "symtab.h"
#include "symfile.h"
#include "gdbtypes.h"
if (PC_IN_CALL_DUMMY (fi->pc, fi->frame, fi->frame))
/* When the caller requests PR from the dummy frame, we return PC because
that's where the previous routine appears to have done a call from. */
- return generic_read_register_dummy (fi->pc, fi->frame, regnum);
+ return deprecated_read_register_dummy (fi->pc, fi->frame, regnum);
else
{
FRAME_INIT_SAVED_REGS (fi);
if (PC_IN_CALL_DUMMY (fi->pc, fi->frame, fi->frame))
/* When the caller requests PR from the dummy frame, we return PC because
that's where the previous routine appears to have done a call from. */
- return generic_read_register_dummy (fi->pc, fi->frame, pr_regnum);
+ return deprecated_read_register_dummy (fi->pc, fi->frame, pr_regnum);
else
{
FRAME_INIT_SAVED_REGS (fi);
int opc;
int insn;
int r3_val = 0;
- char *dummy_regs = generic_find_dummy_frame (fi->pc, fi->frame);
+ char *dummy_regs = deprecated_generic_find_dummy_frame (fi->pc, fi->frame);
if (fi->saved_regs == NULL)
frame_saved_regs_zalloc (fi);
int insn_size;
int gdb_register_number;
int register_number;
- char *dummy_regs = generic_find_dummy_frame (fi->pc, fi->frame);
+ char *dummy_regs = deprecated_generic_find_dummy_frame (fi->pc, fi->frame);
struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
if (fi->saved_regs == NULL)
int opc;
int insn;
int r3_val = 0;
- char *dummy_regs = generic_find_dummy_frame (fi->pc, fi->frame);
+ char *dummy_regs = deprecated_generic_find_dummy_frame (fi->pc, fi->frame);
struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
if (fi->saved_regs == NULL)
{
/* We need to setup fi->frame here because run_stack_dummy gets it wrong
by assuming it's always FP. */
- fi->frame = generic_read_register_dummy (fi->pc, fi->frame,
- SP_REGNUM);
- fi->extra_info->return_pc = generic_read_register_dummy (fi->pc,
- fi->frame,
- PC_REGNUM);
+ fi->frame = deprecated_read_register_dummy (fi->pc, fi->frame,
+ SP_REGNUM);
+ fi->extra_info->return_pc = deprecated_read_register_dummy (fi->pc,
+ fi->frame,
+ PC_REGNUM);
fi->extra_info->f_offset = -(CALL_DUMMY_LENGTH + 4);
fi->extra_info->leaf_function = 0;
return;
{
/* We need to setup fi->frame here because run_stack_dummy gets it wrong
by assuming it's always FP. */
- fi->frame = generic_read_register_dummy (fi->pc, fi->frame,
- SP_REGNUM);
+ fi->frame = deprecated_read_register_dummy (fi->pc, fi->frame,
+ SP_REGNUM);
fi->extra_info->return_pc =
- generic_read_register_dummy (fi->pc, fi->frame, PC_REGNUM);
+ deprecated_read_register_dummy (fi->pc, fi->frame, PC_REGNUM);
fi->extra_info->f_offset = -(CALL_DUMMY_LENGTH + 4);
fi->extra_info->leaf_function = 0;
return;
*lval = not_lval;
if (raw_buffer)
memcpy (raw_buffer,
- generic_find_dummy_frame (frame->pc, frame->frame) +
- REGISTER_BYTE (regnum),
+ (deprecated_generic_find_dummy_frame (frame->pc, frame->frame)
+ + REGISTER_BYTE (regnum)),
REGISTER_RAW_SIZE (regnum));
return;
}
}
#endif
/* Note: must use write_register_gen here instead
- of regcache_write, because regcache_write works
- only for real registers, not pseudo.
- write_register_gen will call the gdbarch
- function to do register writes, and that will
- properly know how to deal with pseudoregs. */
+ of regcache_raw_write, because
+ regcache_raw_write works only for real
+ registers, not pseudo. write_register_gen will
+ call the gdbarch function to do register
+ writes, and that will properly know how to deal
+ with pseudoregs. */
write_register_gen (regnum, val);
fp_args[double_arg_index] = 1;
fp_args[double_arg_index + 1] = 1;
static void
sh_sh4_register_convert_to_raw (struct type *type, int regnum,
- char *from, char *to)
+ const void *from, void *to)
{
struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
void
sh_sh64_register_convert_to_raw (struct type *type, int regnum,
- char *from, char *to)
+ const void *from, void *to)
{
struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
}
void
-sh_pseudo_register_read (int reg_nr, char *buffer)
+sh_pseudo_register_read (struct gdbarch *gdbarch, struct regcache *regcache,
+ int reg_nr, void *buffer)
{
int base_regnum, portion;
char *temp_buffer = (char*) alloca (MAX_REGISTER_RAW_SIZE);
- struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
+ struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
if (reg_nr >= tdep->DR0_REGNUM
&& reg_nr <= tdep->DR_LAST_REGNUM)
/* Build the value in the provided buffer. */
/* Read the real regs for which this one is an alias. */
for (portion = 0; portion < 2; portion++)
- regcache_read (current_regcache, base_regnum + portion,
- (temp_buffer
- + REGISTER_RAW_SIZE (base_regnum) * portion));
+ regcache_raw_read (regcache, base_regnum + portion,
+ (temp_buffer
+ + REGISTER_RAW_SIZE (base_regnum) * portion));
/* We must pay attention to the endiannes. */
sh_sh4_register_convert_to_virtual (reg_nr,
REGISTER_VIRTUAL_TYPE (reg_nr),
/* Read the real regs for which this one is an alias. */
for (portion = 0; portion < 4; portion++)
- regcache_read (current_regcache, base_regnum + portion,
- buffer + REGISTER_RAW_SIZE (base_regnum) * portion);
+ regcache_raw_read (regcache, base_regnum + portion,
+ ((char *) buffer
+ + REGISTER_RAW_SIZE (base_regnum) * portion));
}
}
static void
-sh4_register_read (struct gdbarch *gdbarch, int reg_nr, char *buffer)
-{
- if (reg_nr >= 0 && reg_nr < gdbarch_tdep (current_gdbarch)->DR0_REGNUM)
- /* It is a regular register. */
- regcache_read (current_regcache, reg_nr, buffer);
- else
- /* It is a pseudo register and we need to construct its value */
- sh_pseudo_register_read (reg_nr, buffer);
-}
-
-static void
-sh64_pseudo_register_read (int reg_nr, char *buffer)
+sh64_pseudo_register_read (struct gdbarch *gdbarch, struct regcache *regcache,
+ int reg_nr, void *buffer)
{
int base_regnum;
int portion;
int offset = 0;
char *temp_buffer = (char*) alloca (MAX_REGISTER_RAW_SIZE);
- struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
+ struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
if (reg_nr >= tdep->DR0_REGNUM
&& reg_nr <= tdep->DR_LAST_REGNUM)
/* DR regs are double precision registers obtained by
concatenating 2 single precision floating point registers. */
for (portion = 0; portion < 2; portion++)
- regcache_read (current_regcache, base_regnum + portion,
- (temp_buffer
- + REGISTER_RAW_SIZE (base_regnum) * portion));
+ regcache_raw_read (regcache, base_regnum + portion,
+ (temp_buffer
+ + REGISTER_RAW_SIZE (base_regnum) * portion));
/* We must pay attention to the endiannes. */
sh_sh64_register_convert_to_virtual (reg_nr, REGISTER_VIRTUAL_TYPE (reg_nr),
/* FPP regs are pairs of single precision registers obtained by
concatenating 2 single precision floating point registers. */
for (portion = 0; portion < 2; portion++)
- regcache_read (current_regcache, base_regnum + portion,
- buffer + REGISTER_RAW_SIZE (base_regnum) * portion);
+ regcache_raw_read (regcache, base_regnum + portion,
+ ((char *) buffer
+ + REGISTER_RAW_SIZE (base_regnum) * portion));
}
else if (reg_nr >= tdep->FV0_REGNUM
/* FV regs are vectors of single precision registers obtained by
concatenating 4 single precision floating point registers. */
for (portion = 0; portion < 4; portion++)
- regcache_read (current_regcache, base_regnum + portion,
- buffer + REGISTER_RAW_SIZE (base_regnum) * portion);
+ regcache_raw_read (regcache, base_regnum + portion,
+ ((char *) buffer
+ + REGISTER_RAW_SIZE (base_regnum) * portion));
}
/* sh compact pseudo registers. 1-to-1 with a shmedia register */
base_regnum = sh64_compact_reg_base_num (reg_nr);
/* Build the value in the provided buffer. */
- regcache_read (current_regcache, base_regnum, temp_buffer);
+ regcache_raw_read (regcache, base_regnum, temp_buffer);
if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG)
offset = 4;
memcpy (buffer, temp_buffer + offset, 4); /* get LOWER 32 bits only????*/
/* Build the value in the provided buffer. */
/* Floating point registers map 1-1 to the media fp regs,
they have the same size and endienness. */
- regcache_read (current_regcache, base_regnum, buffer);
+ regcache_raw_read (regcache, base_regnum, buffer);
}
else if (reg_nr >= tdep->DR0_C_REGNUM
/* DR_C regs are double precision registers obtained by
concatenating 2 single precision floating point registers. */
for (portion = 0; portion < 2; portion++)
- regcache_read (current_regcache, base_regnum + portion,
- (temp_buffer
- + REGISTER_RAW_SIZE (base_regnum) * portion));
+ regcache_raw_read (regcache, base_regnum + portion,
+ (temp_buffer
+ + REGISTER_RAW_SIZE (base_regnum) * portion));
/* We must pay attention to the endiannes. */
sh_sh64_register_convert_to_virtual (reg_nr, REGISTER_VIRTUAL_TYPE (reg_nr),
/* FV_C regs are vectors of single precision registers obtained by
concatenating 4 single precision floating point registers. */
for (portion = 0; portion < 4; portion++)
- regcache_read (current_regcache, base_regnum + portion,
- buffer + REGISTER_RAW_SIZE (base_regnum) * portion);
+ regcache_raw_read (regcache, base_regnum + portion,
+ ((char *) buffer
+ + REGISTER_RAW_SIZE (base_regnum) * portion));
}
else if (reg_nr == tdep->FPSCR_C_REGNUM)
*/
/* *INDENT-ON* */
/* Get FPSCR into a local buffer */
- regcache_read (current_regcache, fpscr_base_regnum, temp_buffer);
+ regcache_raw_read (regcache, fpscr_base_regnum, temp_buffer);
/* Get value as an int. */
fpscr_value = extract_unsigned_integer (temp_buffer, 4);
/* Get SR into a local buffer */
- regcache_read (current_regcache, sr_base_regnum, temp_buffer);
+ regcache_raw_read (regcache, sr_base_regnum, temp_buffer);
/* Get value as an int. */
sr_value = extract_unsigned_integer (temp_buffer, 4);
/* Build the new value. */
/* FPUL_C register is floating point register 32,
same size, same endianness. */
- regcache_read (current_regcache, base_regnum, buffer);
+ regcache_raw_read (regcache, base_regnum, buffer);
}
}
-static void
-sh64_register_read (struct gdbarch *gdbarch, int reg_nr, char *buffer)
-{
-
- if (reg_nr >= 0 && reg_nr < gdbarch_tdep (current_gdbarch)->DR0_REGNUM)
- /* It is a regular register. */
- regcache_read (current_regcache, reg_nr, buffer);
- else
- /* It is a pseudo register and we need to construct its value */
- sh64_pseudo_register_read (reg_nr, buffer);
-}
-
void
-sh_pseudo_register_write (int reg_nr, char *buffer)
+sh_pseudo_register_write (struct gdbarch *gdbarch, struct regcache *regcache,
+ int reg_nr, const void *buffer)
{
int base_regnum, portion;
char *temp_buffer = (char*) alloca (MAX_REGISTER_RAW_SIZE);
- struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
+ struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
if (reg_nr >= tdep->DR0_REGNUM
&& reg_nr <= tdep->DR_LAST_REGNUM)
/* Write the real regs for which this one is an alias. */
for (portion = 0; portion < 2; portion++)
- regcache_write (current_regcache, base_regnum + portion,
- (temp_buffer
- + REGISTER_RAW_SIZE (base_regnum) * portion));
+ regcache_raw_write (regcache, base_regnum + portion,
+ (temp_buffer
+ + REGISTER_RAW_SIZE (base_regnum) * portion));
}
else if (reg_nr >= tdep->FV0_REGNUM
&& reg_nr <= tdep->FV_LAST_REGNUM)
/* Write the real regs for which this one is an alias. */
for (portion = 0; portion < 4; portion++)
- regcache_write (current_regcache, base_regnum + portion,
- buffer + REGISTER_RAW_SIZE (base_regnum) * portion);
+ regcache_raw_write (regcache, base_regnum + portion,
+ ((char *) buffer
+ + REGISTER_RAW_SIZE (base_regnum) * portion));
}
}
-static void
-sh4_register_write (struct gdbarch *gdbarch, int reg_nr, char *buffer)
-{
- if (reg_nr >= 0 && reg_nr < gdbarch_tdep (current_gdbarch)->DR0_REGNUM)
- /* It is a regular register. */
- regcache_write (current_regcache, reg_nr, buffer);
- else
- /* It is a pseudo register and we need to construct its value */
- sh_pseudo_register_write (reg_nr, buffer);
-}
-
void
-sh64_pseudo_register_write (int reg_nr, char *buffer)
+sh64_pseudo_register_write (struct gdbarch *gdbarch, struct regcache *regcache,
+ int reg_nr, const void *buffer)
{
int base_regnum, portion;
int offset;
char *temp_buffer = (char*) alloca (MAX_REGISTER_RAW_SIZE);
- struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
+ struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
if (reg_nr >= tdep->DR0_REGNUM
&& reg_nr <= tdep->DR_LAST_REGNUM)
/* Write the real regs for which this one is an alias. */
for (portion = 0; portion < 2; portion++)
- regcache_write (current_regcache, base_regnum + portion,
- (temp_buffer
- + REGISTER_RAW_SIZE (base_regnum) * portion));
+ regcache_raw_write (regcache, base_regnum + portion,
+ (temp_buffer
+ + REGISTER_RAW_SIZE (base_regnum) * portion));
}
else if (reg_nr >= tdep->FPP0_REGNUM
/* Write the real regs for which this one is an alias. */
for (portion = 0; portion < 2; portion++)
- regcache_write (current_regcache, base_regnum + portion,
- buffer + REGISTER_RAW_SIZE (base_regnum) * portion);
+ regcache_raw_write (regcache, base_regnum + portion,
+ ((char *) buffer
+ + REGISTER_RAW_SIZE (base_regnum) * portion));
}
else if (reg_nr >= tdep->FV0_REGNUM
/* Write the real regs for which this one is an alias. */
for (portion = 0; portion < 4; portion++)
- regcache_write (current_regcache, base_regnum + portion,
- buffer + REGISTER_RAW_SIZE (base_regnum) * portion);
+ regcache_raw_write (regcache, base_regnum + portion,
+ ((char *) buffer
+ + REGISTER_RAW_SIZE (base_regnum) * portion));
}
/* sh compact general pseudo registers. 1-to-1 with a shmedia
/* Let's read the value of the base register into a temporary
buffer, so that overwriting the last four bytes with the new
value of the pseudo will leave the upper 4 bytes unchanged. */
- regcache_read (current_regcache, base_regnum, temp_buffer);
+ regcache_raw_read (regcache, base_regnum, temp_buffer);
/* Write as an 8 byte quantity */
memcpy (temp_buffer + offset, buffer, 4);
- regcache_write (current_regcache, base_regnum, temp_buffer);
+ regcache_raw_write (regcache, base_regnum, temp_buffer);
}
/* sh floating point compact pseudo registers. 1-to-1 with a shmedia
&& reg_nr <= tdep->FP_LAST_C_REGNUM)
{
base_regnum = sh64_compact_reg_base_num (reg_nr);
- regcache_write (current_regcache, base_regnum, buffer);
+ regcache_raw_write (regcache, base_regnum, buffer);
}
else if (reg_nr >= tdep->DR0_C_REGNUM
sh_sh64_register_convert_to_raw (REGISTER_VIRTUAL_TYPE (reg_nr), reg_nr,
buffer, temp_buffer);
- regcache_write (current_regcache, base_regnum + portion,
- (temp_buffer
- + REGISTER_RAW_SIZE (base_regnum) * portion));
+ regcache_raw_write (regcache, base_regnum + portion,
+ (temp_buffer
+ + REGISTER_RAW_SIZE (base_regnum) * portion));
}
}
for (portion = 0; portion < 4; portion++)
{
- regcache_write (current_regcache, base_regnum + portion,
- buffer + REGISTER_RAW_SIZE (base_regnum) * portion);
+ regcache_raw_write (regcache, base_regnum + portion,
+ ((char *) buffer
+ + REGISTER_RAW_SIZE (base_regnum) * portion));
}
}
fpscr_value = fpscr_c_value & fpscr_mask;
sr_value = (fpscr_value & sr_mask) >> 6;
- regcache_read (current_regcache, fpscr_base_regnum, temp_buffer);
+ regcache_raw_read (regcache, fpscr_base_regnum, temp_buffer);
old_fpscr_value = extract_unsigned_integer (temp_buffer, 4);
old_fpscr_value &= 0xfffc0002;
fpscr_value |= old_fpscr_value;
store_unsigned_integer (temp_buffer, 4, fpscr_value);
- regcache_write (current_regcache, fpscr_base_regnum, temp_buffer);
+ regcache_raw_write (regcache, fpscr_base_regnum, temp_buffer);
- regcache_read (current_regcache, sr_base_regnum, temp_buffer);
+ regcache_raw_read (regcache, sr_base_regnum, temp_buffer);
old_sr_value = extract_unsigned_integer (temp_buffer, 4);
old_sr_value &= 0xffff8fff;
sr_value |= old_sr_value;
store_unsigned_integer (temp_buffer, 4, sr_value);
- regcache_write (current_regcache, sr_base_regnum, temp_buffer);
+ regcache_raw_write (regcache, sr_base_regnum, temp_buffer);
}
else if (reg_nr == tdep->FPUL_C_REGNUM)
{
base_regnum = sh64_compact_reg_base_num (reg_nr);
- regcache_write (current_regcache, base_regnum, buffer);
+ regcache_raw_write (regcache, base_regnum, buffer);
}
}
-static void
-sh64_register_write (struct gdbarch *gdbarch, int reg_nr, char *buffer)
-{
- if (reg_nr >= 0 && reg_nr < gdbarch_tdep (current_gdbarch)->DR0_REGNUM)
- /* It is a regular register. */
- regcache_write (current_regcache, reg_nr, buffer);
- else
- /* It is a pseudo register and we need to construct its value */
- sh64_pseudo_register_write (reg_nr, buffer);
-}
-
/* Floating point vector of 4 float registers. */
static void
do_fv_register_info (int fv_regnum)
}
#endif /* SVR4_SHARED_LIBS */
+\f
+enum
+{
+ DSP_DSR_REGNUM = 24,
+ DSP_A0G_REGNUM,
+ DSP_A0_REGNUM,
+ DSP_A1G_REGNUM,
+ DSP_A1_REGNUM,
+ DSP_M0_REGNUM,
+ DSP_M1_REGNUM,
+ DSP_X0_REGNUM,
+ DSP_X1_REGNUM,
+ DSP_Y0_REGNUM,
+ DSP_Y1_REGNUM,
+
+ DSP_MOD_REGNUM = 40,
+
+ DSP_RS_REGNUM = 43,
+ DSP_RE_REGNUM,
+
+ DSP_R0_BANK_REGNUM = 51,
+ DSP_R7_BANK_REGNUM = DSP_R0_BANK_REGNUM + 7
+};
+
+static int
+sh_dsp_register_sim_regno (int nr)
+{
+ if (legacy_register_sim_regno (nr) < 0)
+ return legacy_register_sim_regno (nr);
+ if (nr >= DSP_DSR_REGNUM && nr < DSP_Y1_REGNUM)
+ return nr - DSP_DSR_REGNUM + SIM_SH_DSR_REGNUM;
+ if (nr == DSP_MOD_REGNUM)
+ return SIM_SH_MOD_REGNUM;
+ if (nr == DSP_RS_REGNUM)
+ return SIM_SH_RS_REGNUM;
+ if (nr == DSP_RE_REGNUM)
+ return SIM_SH_RE_REGNUM;
+ if (nr >= DSP_R0_BANK_REGNUM && nr <= DSP_R7_BANK_REGNUM)
+ return nr - DSP_R0_BANK_REGNUM + SIM_SH_R0_BANK_REGNUM;
+ return nr;
+}
\f
static gdbarch_init_ftype sh_gdbarch_init;
struct gdbarch *gdbarch;
struct gdbarch_tdep *tdep;
gdbarch_register_name_ftype *sh_register_name;
- gdbarch_store_return_value_ftype *sh_store_return_value;
+ gdbarch_deprecated_store_return_value_ftype *sh_store_return_value;
gdbarch_register_virtual_type_ftype *sh_register_virtual_type;
enum gdb_osabi osabi = GDB_OSABI_UNKNOWN;
set_gdbarch_deprecated_extract_struct_value_address (gdbarch, sh_extract_struct_value_address);
set_gdbarch_pop_frame (gdbarch, sh_pop_frame);
set_gdbarch_print_insn (gdbarch, gdb_print_insn_sh);
+ set_gdbarch_register_sim_regno (gdbarch, legacy_register_sim_regno);
skip_prologue_hard_way = sh_skip_prologue_hard_way;
do_pseudo_register = sh_do_pseudo_register;
set_gdbarch_register_raw_size (gdbarch, sh_default_register_raw_size);
set_gdbarch_register_virtual_size (gdbarch, sh_default_register_raw_size);
set_gdbarch_register_byte (gdbarch, sh_default_register_byte);
+ set_gdbarch_register_sim_regno (gdbarch, sh_dsp_register_sim_regno);
tdep->DSR_REGNUM = 24;
tdep->A0G_REGNUM = 25;
tdep->A0_REGNUM = 26;
set_gdbarch_num_pseudo_regs (gdbarch, 12);
set_gdbarch_max_register_raw_size (gdbarch, 4 * 4);
set_gdbarch_max_register_virtual_size (gdbarch, 4 * 4);
- set_gdbarch_register_read (gdbarch, sh4_register_read);
- set_gdbarch_register_write (gdbarch, sh4_register_write);
+ set_gdbarch_pseudo_register_read (gdbarch, sh_pseudo_register_read);
+ set_gdbarch_pseudo_register_write (gdbarch, sh_pseudo_register_write);
tdep->FPUL_REGNUM = 23;
tdep->FPSCR_REGNUM = 24;
tdep->FP_LAST_REGNUM = 40;
/* Or should that go in the virtual_size? */
/*set_gdbarch_max_register_virtual_size (gdbarch, 8);*/
set_gdbarch_max_register_virtual_size (gdbarch, 4 * 4);
- set_gdbarch_register_read (gdbarch, sh64_register_read);
- set_gdbarch_register_write (gdbarch, sh64_register_write);
+ set_gdbarch_pseudo_register_read (gdbarch, sh64_pseudo_register_read);
+ set_gdbarch_pseudo_register_write (gdbarch, sh64_pseudo_register_write);
set_gdbarch_do_registers_info (gdbarch, sh64_do_registers_info);
set_gdbarch_frame_init_saved_regs (gdbarch, sh64_nofp_frame_init_saved_regs);
set_gdbarch_push_dummy_frame (gdbarch, generic_push_dummy_frame);
set_gdbarch_push_return_address (gdbarch, sh_push_return_address);
- set_gdbarch_store_return_value (gdbarch, sh_store_return_value);
+ set_gdbarch_deprecated_store_return_value (gdbarch, sh_store_return_value);
set_gdbarch_skip_prologue (gdbarch, sh_skip_prologue);
set_gdbarch_inner_than (gdbarch, core_addr_lessthan);
set_gdbarch_decr_pc_after_break (gdbarch, 0);