#include "defs.h"
#include "frame.h"
#include "symtab.h"
#include "value.h"
#include "gdbcmd.h"
#include "regcache.h"
#include "objfiles.h"
#include "gdbcore.h"
#include "inferior.h"
#include "arch-utils.h"
#include "gdb_string.h"
#include "disasm.h"
#include "dis-asm.h"
static CORE_ADDR mcore_analyze_prologue (struct frame_info *fi, CORE_ADDR pc,
int skip_prologue);
static int get_insn (CORE_ADDR pc);
#ifdef MCORE_DEBUG
int mcore_debug = 0;
#endif
#define MCORE_REG_SIZE 4
#define MCORE_NUM_REGS 65
#define PR_REGNUM 15
#define FIRST_ARGREG 2
#define LAST_ARGREG 7
#define RETVAL_REGNUM 2
struct frame_extra_info
{
int status;
int framesize;
int fp_regnum;
};
#define MY_FRAME_IN_SP 0x1
#define MY_FRAME_IN_FP 0x2
#define NO_MORE_FRAMES 0x4
#define IS_SUBI0(x) (((x) & 0xfe0f) == 0x2400)
#define IS_STM(x) (((x) & 0xfff0) == 0x0070)
#define IS_STWx0(x) (((x) & 0xf00f) == 0x9000)
#define IS_STWxy(x) (((x) & 0xf000) == 0x9000)
#define IS_MOVx0(x) (((x) & 0xfff0) == 0x1200)
#define IS_LRW1(x) (((x) & 0xff00) == 0x7100)
#define IS_MOVI1(x) (((x) & 0xf80f) == 0x6001)
#define IS_BGENI1(x) (((x) & 0xfe0f) == 0x3201)
#define IS_BMASKI1(x) (((x) & 0xfe0f) == 0x2C01)
#define IS_ADDI1(x) (((x) & 0xfe0f) == 0x2001)
#define IS_SUBI1(x) (((x) & 0xfe0f) == 0x2401)
#define IS_RSUBI1(x) (((x) & 0xfe0f) == 0x2801)
#define IS_NOT1(x) (((x) & 0xffff) == 0x01f1)
#define IS_ROTLI1(x) (((x) & 0xfe0f) == 0x3801)
#define IS_BSETI1(x) (((x) & 0xfe0f) == 0x3401)
#define IS_BCLRI1(x) (((x) & 0xfe0f) == 0x3001)
#define IS_IXH1(x) (((x) & 0xffff) == 0x1d11)
#define IS_IXW1(x) (((x) & 0xffff) == 0x1511)
#define IS_SUB01(x) (((x) & 0xffff) == 0x0510)
#define IS_RTS(x) (((x) & 0xffff) == 0x00cf)
#define IS_R1_ADJUSTER(x) \
(IS_ADDI1(x) || IS_SUBI1(x) || IS_ROTLI1(x) || IS_BSETI1(x) \
|| IS_BCLRI1(x) || IS_RSUBI1(x) || IS_NOT1(x) \
|| IS_IXH1(x) || IS_IXW1(x))
#ifdef MCORE_DEBUG
static void
mcore_dump_insn (char *commnt, CORE_ADDR pc, int insn)
{
if (mcore_debug)
{
printf_filtered ("MCORE: %s %08x %08x ",
commnt, (unsigned int) pc, (unsigned int) insn);
gdb_print_insn (pc, gdb_stdout);
printf_filtered ("\n");
}
}
#define mcore_insn_debug(args) { if (mcore_debug) printf_filtered args; }
#else
#define mcore_dump_insn(a,b,c) {}
#define mcore_insn_debug(args) {}
#endif
static struct type *
mcore_register_virtual_type (int regnum)
{
if (regnum < 0 || regnum >= MCORE_NUM_REGS)
internal_error (__FILE__, __LINE__,
"mcore_register_virtual_type: illegal register number %d",
regnum);
else
return builtin_type_int;
}
static int
mcore_register_byte (int regnum)
{
if (regnum < 0 || regnum >= MCORE_NUM_REGS)
internal_error (__FILE__, __LINE__,
"mcore_register_byte: illegal register number %d",
regnum);
else
return (regnum * MCORE_REG_SIZE);
}
static int
mcore_register_size (int regnum)
{
if (regnum < 0 || regnum >= MCORE_NUM_REGS)
internal_error (__FILE__, __LINE__,
"mcore_register_size: illegal register number %d",
regnum);
else
return MCORE_REG_SIZE;
}
static const char *
mcore_register_name (int regnum)
{
static char *register_names[] = {
"r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
"r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15",
"ar0", "ar1", "ar2", "ar3", "ar4", "ar5", "ar6", "ar7",
"ar8", "ar9", "ar10", "ar11", "ar12", "ar13", "ar14", "ar15",
"psr", "vbr", "epsr", "fpsr", "epc", "fpc", "ss0", "ss1",
"ss2", "ss3", "ss4", "gcr", "gsr", "cr13", "cr14", "cr15",
"cr16", "cr17", "cr18", "cr19", "cr20", "cr21", "cr22", "cr23",
"cr24", "cr25", "cr26", "cr27", "cr28", "cr29", "cr30", "cr31",
"pc"
};
if (regnum < 0 ||
regnum >= sizeof (register_names) / sizeof (register_names[0]))
internal_error (__FILE__, __LINE__,
"mcore_register_name: illegal register number %d",
regnum);
else
return register_names[regnum];
}
static const unsigned char *
mcore_breakpoint_from_pc (CORE_ADDR * bp_addr, int *bp_size)
{
static char breakpoint[] =
{0x00, 0x00};
*bp_size = 2;
return breakpoint;
}
static CORE_ADDR
mcore_saved_pc_after_call (struct frame_info *frame)
{
return read_register (PR_REGNUM);
}
static void
mcore_frame_init_saved_regs (struct frame_info *frame)
{
}
static void
mcore_store_struct_return (CORE_ADDR addr, CORE_ADDR sp)
{
}
static int
mcore_reg_struct_has_addr (int gcc_p, struct type *type)
{
return 0;
}
static struct frame_info *
analyze_dummy_frame (CORE_ADDR pc, CORE_ADDR frame)
{
struct cleanup *old_chain = make_cleanup (null_cleanup, NULL);
struct frame_info *dummy
= deprecated_frame_xmalloc_with_cleanup (SIZEOF_FRAME_SAVED_REGS,
sizeof (struct frame_extra_info));
deprecated_update_frame_pc_hack (dummy, pc);
deprecated_update_frame_base_hack (dummy, frame);
get_frame_extra_info (dummy)->status = 0;
get_frame_extra_info (dummy)->framesize = 0;
mcore_analyze_prologue (dummy, 0, 0);
do_cleanups (old_chain);
return dummy;
}
static CORE_ADDR
mcore_analyze_prologue (struct frame_info *fi, CORE_ADDR pc, int skip_prologue)
{
CORE_ADDR func_addr, func_end, addr, stop;
CORE_ADDR stack_size;
int insn, rn;
int status;
int fp_regnum = 0;
int flags;
int framesize;
int register_offsets[NUM_REGS];
char *name;
pc = (fi == NULL ? pc : get_frame_pc (fi));
status = find_pc_partial_function (pc, &name, &func_addr, &func_end);
if (status == 0)
return pc;
if (func_addr == entry_point_address ())
{
if (fi != NULL)
get_frame_extra_info (fi)->status |= NO_MORE_FRAMES;
return pc;
}
flags = MY_FRAME_IN_SP;
mcore_insn_debug (("MCORE: starting prologue decoding\n"));
insn = get_insn (pc);
mcore_dump_insn ("got 1: ", pc, insn);
if (fi != NULL && IS_RTS (insn))
{
mcore_insn_debug (("MCORE: got jmp r15"));
if (get_next_frame (fi) == NULL)
deprecated_update_frame_base_hack (fi, read_sp ());
return get_frame_pc (fi);
}
if (fi != NULL && get_frame_pc (fi) == func_addr)
{
if (get_next_frame (fi) == NULL)
deprecated_update_frame_base_hack (fi, read_sp ());
return get_frame_pc (fi);
}
stop = (fi ? get_frame_pc (fi) : func_end);
stop = (stop > func_end ? func_end : stop);
for (rn = 0; rn < NUM_REGS; rn++)
register_offsets[rn] = -1;
mcore_insn_debug (("MCORE: Scanning prologue: func_addr=0x%x, stop=0x%x\n",
(unsigned int) func_addr, (unsigned int) stop));
framesize = 0;
for (addr = func_addr; addr < stop; addr += 2)
{
insn = get_insn (addr);
mcore_dump_insn ("got 2: ", addr, insn);
if (IS_SUBI0 (insn))
{
int offset = 1 + ((insn >> 4) & 0x1f);
mcore_insn_debug (("MCORE: got subi r0,%d; continuing\n", offset));
framesize += offset;
continue;
}
else if (IS_STM (insn))
{
int offset;
int start_register;
start_register = (insn & 0xf);
mcore_insn_debug (("MCORE: got stm r%d-r15,(r0)\n", start_register));
for (rn = start_register, offset = 0; rn <= 15; rn++, offset += 4)
{
register_offsets[rn] = framesize - offset;
mcore_insn_debug (("MCORE: r%d saved at 0x%x (offset %d)\n", rn,
register_offsets[rn], offset));
}
mcore_insn_debug (("MCORE: continuing\n"));
continue;
}
else if (IS_STWx0 (insn))
{
int imm;
rn = (insn >> 8) & 0xf;
imm = (insn >> 4) & 0xf;
register_offsets[rn] = framesize - (imm << 2);
mcore_insn_debug (("MCORE: r%d saved at offset 0x%x\n", rn, register_offsets[rn]));
mcore_insn_debug (("MCORE: continuing\n"));
continue;
}
else if (IS_MOVx0 (insn))
{
flags |= MY_FRAME_IN_FP;
flags &= ~MY_FRAME_IN_SP;
fp_regnum = insn & 0xf;
mcore_insn_debug (("MCORE: Found a frame pointer: r%d\n", fp_regnum));
mcore_insn_debug (("MCORE: end of prologue\n"));
if (skip_prologue)
continue;
addr += 2;
break;
}
else if (IS_STWxy (insn) && (flags & MY_FRAME_IN_FP) && ((insn & 0xf) == fp_regnum))
{
mcore_insn_debug (("MCORE: push arg onto stack.\n"));
continue;
}
else if (IS_LRW1 (insn) || IS_MOVI1 (insn)
|| IS_BGENI1 (insn) || IS_BMASKI1 (insn))
{
int adjust = 0;
int offset = 0;
int insn2;
mcore_insn_debug (("MCORE: looking at large frame\n"));
if (IS_LRW1 (insn))
{
adjust =
read_memory_integer ((addr + 2 + ((insn & 0xff) << 2)) & 0xfffffffc, 4);
}
else if (IS_MOVI1 (insn))
adjust = (insn >> 4) & 0x7f;
else if (IS_BGENI1 (insn))
adjust = 1 << ((insn >> 4) & 0x1f);
else
adjust = (1 << (adjust >> 4) & 0x1f) - 1;
mcore_insn_debug (("MCORE: base framesize=0x%x\n", adjust));
mcore_insn_debug (("MCORE: looking for r1 adjusters...\n"));
offset = 2;
insn2 = get_insn (addr + offset);
while (IS_R1_ADJUSTER (insn2))
{
int imm;
imm = (insn2 >> 4) & 0x1f;
mcore_dump_insn ("got 3: ", addr + offset, insn);
if (IS_ADDI1 (insn2))
{
adjust += (imm + 1);
mcore_insn_debug (("MCORE: addi r1,%d\n", imm + 1));
}
else if (IS_SUBI1 (insn2))
{
adjust -= (imm + 1);
mcore_insn_debug (("MCORE: subi r1,%d\n", imm + 1));
}
else if (IS_RSUBI1 (insn2))
{
adjust = imm - adjust;
mcore_insn_debug (("MCORE: rsubi r1,%d\n", imm + 1));
}
else if (IS_NOT1 (insn2))
{
adjust = ~adjust;
mcore_insn_debug (("MCORE: not r1\n"));
}
else if (IS_ROTLI1 (insn2))
{
adjust <<= imm;
mcore_insn_debug (("MCORE: rotli r1,%d\n", imm + 1));
}
else if (IS_BSETI1 (insn2))
{
adjust |= (1 << imm);
mcore_insn_debug (("MCORE: bseti r1,%d\n", imm));
}
else if (IS_BCLRI1 (insn2))
{
adjust &= ~(1 << imm);
mcore_insn_debug (("MCORE: bclri r1,%d\n", imm));
}
else if (IS_IXH1 (insn2))
{
adjust *= 3;
mcore_insn_debug (("MCORE: ix.h r1,r1\n"));
}
else if (IS_IXW1 (insn2))
{
adjust *= 5;
mcore_insn_debug (("MCORE: ix.w r1,r1\n"));
}
offset += 2;
insn2 = get_insn (addr + offset);
};
mcore_insn_debug (("MCORE: done looking for r1 adjusters\n"));
if (IS_SUB01 (insn2))
{
addr += offset;
framesize += adjust;
mcore_insn_debug (("MCORE: found stack adjustment of 0x%x bytes.\n", adjust));
mcore_insn_debug (("MCORE: skipping to new address 0x%x\n", addr));
mcore_insn_debug (("MCORE: continuing\n"));
continue;
}
mcore_insn_debug (("MCORE: no subu r1,r0, NOT altering framesize.\n"));
break;
}
mcore_insn_debug (("MCORE: insn is not a prologue insn -- ending scan\n"));
break;
}
mcore_insn_debug (("MCORE: done analyzing prologue\n"));
mcore_insn_debug (("MCORE: prologue end = 0x%x\n", addr));
if (fi != NULL)
{
get_frame_extra_info (fi)->framesize = framesize;
get_frame_extra_info (fi)->fp_regnum = fp_regnum;
get_frame_extra_info (fi)->status = flags;
if (get_next_frame (fi) == NULL)
{
if (get_frame_extra_info (fi)->status & MY_FRAME_IN_SP)
deprecated_update_frame_base_hack (fi, read_sp () + framesize);
else
deprecated_update_frame_base_hack (fi, read_register (fp_regnum) + framesize);
}
for (rn = 0; rn < NUM_REGS; rn++)
{
if (register_offsets[rn] >= 0)
{
deprecated_get_frame_saved_regs (fi)[rn] = get_frame_base (fi) - register_offsets[rn];
mcore_insn_debug (("Saved register %s stored at 0x%08x, value=0x%08x\n",
mcore_register_names[rn], fi->saved_regs[rn],
read_memory_integer (fi->saved_regs[rn], 4)));
}
}
}
return addr;
}
static CORE_ADDR
mcore_frame_chain (struct frame_info * fi)
{
struct frame_info *dummy;
CORE_ADDR callers_addr;
if (get_frame_extra_info (fi)->status == 0)
mcore_analyze_prologue (fi, 0, 0);
if (get_frame_extra_info (fi)->status & NO_MORE_FRAMES)
return 0;
dummy = analyze_dummy_frame (DEPRECATED_FRAME_SAVED_PC (fi), get_frame_base (fi));
if (get_frame_extra_info (dummy)->status & MY_FRAME_IN_FP)
{
int fp = get_frame_extra_info (dummy)->fp_regnum;
if (deprecated_get_frame_saved_regs (fi)[fp] != 0)
{
callers_addr = read_memory_integer (deprecated_get_frame_saved_regs (fi)[fp],
DEPRECATED_REGISTER_SIZE)
+ get_frame_extra_info (dummy)->framesize;
}
else
{
callers_addr = read_register (fp) + get_frame_extra_info (dummy)->framesize;
}
}
else
{
callers_addr = get_frame_base (fi) + get_frame_extra_info (dummy)->framesize;
}
return callers_addr;
}
static CORE_ADDR
mcore_skip_prologue (CORE_ADDR pc)
{
CORE_ADDR func_addr, func_end;
struct symtab_and_line sal;
if (find_pc_partial_function (pc, NULL, &func_addr, &func_end))
{
sal = find_pc_line (func_addr, 0);
if (sal.end && sal.end < func_end)
return sal.end;
}
return mcore_analyze_prologue (NULL, pc, 1);
}
static CORE_ADDR
mcore_frame_args_address (struct frame_info * fi)
{
return get_frame_base (fi) - get_frame_extra_info (fi)->framesize;
}
static CORE_ADDR
mcore_frame_locals_address (struct frame_info * fi)
{
return get_frame_base (fi) - get_frame_extra_info (fi)->framesize;
}
static void
mcore_virtual_frame_pointer (CORE_ADDR pc, int *reg, LONGEST *offset)
{
struct frame_info *dummy = analyze_dummy_frame (pc, 0);
if (get_frame_extra_info (dummy)->status & MY_FRAME_IN_SP)
{
*reg = SP_REGNUM;
*offset = 0;
}
else
{
*reg = get_frame_extra_info (dummy)->fp_regnum;
*offset = 0;
}
}
static CORE_ADDR
mcore_find_callers_reg (struct frame_info *fi, int regnum)
{
for (; fi != NULL; fi = get_next_frame (fi))
{
if (DEPRECATED_PC_IN_CALL_DUMMY (get_frame_pc (fi), get_frame_base (fi),
get_frame_base (fi)))
return deprecated_read_register_dummy (get_frame_pc (fi),
get_frame_base (fi), regnum);
else if (deprecated_get_frame_saved_regs (fi)[regnum] != 0)
return read_memory_integer (deprecated_get_frame_saved_regs (fi)[regnum],
DEPRECATED_REGISTER_SIZE);
}
return read_register (regnum);
}
static CORE_ADDR
mcore_frame_saved_pc (struct frame_info * fi)
{
if (DEPRECATED_PC_IN_CALL_DUMMY (get_frame_pc (fi), get_frame_base (fi),
get_frame_base (fi)))
return deprecated_read_register_dummy (get_frame_pc (fi),
get_frame_base (fi), PC_REGNUM);
else
return mcore_find_callers_reg (fi, PR_REGNUM);
}
static void
mcore_pop_frame (void)
{
int rn;
struct frame_info *fi = get_current_frame ();
if (DEPRECATED_PC_IN_CALL_DUMMY (get_frame_pc (fi), get_frame_base (fi),
get_frame_base (fi)))
generic_pop_dummy_frame ();
else
{
write_register (PC_REGNUM, DEPRECATED_FRAME_SAVED_PC (fi));
for (rn = 0; rn < NUM_REGS; rn++)
{
if (deprecated_get_frame_saved_regs (fi)[rn] != 0)
{
ULONGEST value;
value = read_memory_unsigned_integer (deprecated_get_frame_saved_regs (fi)[rn],
DEPRECATED_REGISTER_SIZE);
write_register (rn, value);
}
}
write_register (SP_REGNUM, get_frame_base (fi));
}
flush_cached_frames ();
}
static CORE_ADDR
mcore_push_arguments (int nargs, struct value **args, CORE_ADDR sp,
int struct_return, CORE_ADDR struct_addr)
{
int argreg;
int argnum;
struct stack_arg
{
int len;
char *val;
}
*stack_args;
int nstack_args = 0;
stack_args = (struct stack_arg *) alloca (nargs * sizeof (struct stack_arg));
argreg = FIRST_ARGREG;
sp &= ~3;
if (struct_return)
write_register (argreg++, struct_addr);
for (argnum = 0; argnum < nargs; argnum++)
{
char *val = (char *) VALUE_CONTENTS (args[argnum]);
int len = TYPE_LENGTH (VALUE_TYPE (args[argnum]));
struct type *type = VALUE_TYPE (args[argnum]);
int olen;
mcore_insn_debug (("MCORE PUSH: argreg=%d; len=%d; %s\n",
argreg, len, TYPE_CODE (type) == TYPE_CODE_STRUCT ? "struct" : "not struct"));
olen = len;
if (TYPE_CODE (type) != TYPE_CODE_STRUCT && len > DEPRECATED_REGISTER_SIZE && argreg % 2)
{
mcore_insn_debug (("MCORE PUSH: %d > DEPRECATED_REGISTER_SIZE: and %s is not even\n",
len, mcore_register_names[argreg]));
argreg++;
}
if ((argreg <= LAST_ARGREG && len <= (LAST_ARGREG - argreg + 1) * DEPRECATED_REGISTER_SIZE)
|| (TYPE_CODE (type) == TYPE_CODE_STRUCT))
{
mcore_insn_debug (("MCORE PUSH: arg %d going into regs\n", argnum));
if (TYPE_CODE (type) == TYPE_CODE_STRUCT && olen < DEPRECATED_REGISTER_SIZE)
{
write_register (argreg, extract_unsigned_integer (val, len));
argreg++;
len = 0;
}
while (len > 0 && argreg <= LAST_ARGREG)
{
write_register (argreg, extract_unsigned_integer (val, DEPRECATED_REGISTER_SIZE));
argreg++;
val += DEPRECATED_REGISTER_SIZE;
len -= DEPRECATED_REGISTER_SIZE;
}
}
else if (TYPE_CODE (VALUE_TYPE (args[argnum])) != TYPE_CODE_STRUCT
&& len > DEPRECATED_REGISTER_SIZE)
{
mcore_insn_debug (("MCORE PUSH: does not fit into regs, going onto stack\n"));
argnum = LAST_ARGREG + 1;
}
if (len > 0)
{
mcore_insn_debug (("MCORE PUSH: adding arg %d to stack\n", argnum));
stack_args[nstack_args].val = val;
stack_args[nstack_args].len = len;
nstack_args++;
}
}
while (nstack_args--)
{
sp -= stack_args[nstack_args].len;
write_memory (sp, stack_args[nstack_args].val, stack_args[nstack_args].len);
}
return sp;
}
static CORE_ADDR
mcore_push_return_address (CORE_ADDR pc, CORE_ADDR sp)
{
write_register (PR_REGNUM, entry_point_address ());
return sp;
}
static int
mcore_use_struct_convention (int gcc_p, struct type *type)
{
return (TYPE_LENGTH (type) > 8);
}
static void
mcore_extract_return_value (struct type *type, char *regbuf, char *valbuf)
{
memcpy (valbuf, regbuf + DEPRECATED_REGISTER_BYTE (RETVAL_REGNUM) +
(TYPE_LENGTH (type) < 4 ? 4 - TYPE_LENGTH (type) : 0), TYPE_LENGTH (type));
}
static void
mcore_store_return_value (struct type *type, char *valbuf)
{
int value_size;
int return_size;
int offset;
char *zeros;
value_size = TYPE_LENGTH (type);
return_size = (value_size + DEPRECATED_REGISTER_SIZE - 1) & ~(DEPRECATED_REGISTER_SIZE - 1);
offset = DEPRECATED_REGISTER_BYTE (RETVAL_REGNUM) + (return_size - value_size);
zeros = alloca (return_size);
memset (zeros, 0, return_size);
deprecated_write_register_bytes (DEPRECATED_REGISTER_BYTE (RETVAL_REGNUM), zeros,
return_size);
deprecated_write_register_bytes (offset, valbuf, value_size);
}
static void
mcore_init_extra_frame_info (int fromleaf, struct frame_info *fi)
{
if (fi && get_next_frame (fi))
deprecated_update_frame_pc_hack (fi, DEPRECATED_FRAME_SAVED_PC (get_next_frame (fi)));
frame_saved_regs_zalloc (fi);
frame_extra_info_zalloc (fi, sizeof (struct frame_extra_info));
get_frame_extra_info (fi)->status = 0;
get_frame_extra_info (fi)->framesize = 0;
if (DEPRECATED_PC_IN_CALL_DUMMY (get_frame_pc (fi), get_frame_base (fi),
get_frame_base (fi)))
{
deprecated_update_frame_base_hack (fi, deprecated_read_register_dummy (get_frame_pc (fi), get_frame_base (fi), SP_REGNUM));
}
else
mcore_analyze_prologue (fi, 0, 0);
}
static int
get_insn (CORE_ADDR pc)
{
char buf[4];
int status = read_memory_nobpt (pc, buf, 2);
if (status != 0)
return 0;
return extract_unsigned_integer (buf, 2);
}
static struct gdbarch *
mcore_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
{
static LONGEST call_dummy_words[7] = { };
struct gdbarch_tdep *tdep = NULL;
struct gdbarch *gdbarch;
arches = gdbarch_list_lookup_by_info (arches, &info);
if (arches != NULL)
return (arches->gdbarch);
gdbarch = gdbarch_alloc (&info, 0);
set_gdbarch_deprecated_init_frame_pc (gdbarch, deprecated_init_frame_pc_default);
set_gdbarch_deprecated_register_size (gdbarch, MCORE_REG_SIZE);
set_gdbarch_deprecated_max_register_raw_size (gdbarch, MCORE_REG_SIZE);
set_gdbarch_deprecated_max_register_virtual_size (gdbarch, MCORE_REG_SIZE);
set_gdbarch_register_name (gdbarch, mcore_register_name);
set_gdbarch_deprecated_register_virtual_type (gdbarch, mcore_register_virtual_type);
set_gdbarch_deprecated_register_virtual_size (gdbarch, mcore_register_size);
set_gdbarch_deprecated_register_raw_size (gdbarch, mcore_register_size);
set_gdbarch_deprecated_register_byte (gdbarch, mcore_register_byte);
set_gdbarch_deprecated_register_bytes (gdbarch, MCORE_REG_SIZE * MCORE_NUM_REGS);
set_gdbarch_num_regs (gdbarch, MCORE_NUM_REGS);
set_gdbarch_pc_regnum (gdbarch, 64);
set_gdbarch_sp_regnum (gdbarch, 0);
set_gdbarch_deprecated_fp_regnum (gdbarch, 0);
set_gdbarch_deprecated_call_dummy_words (gdbarch, call_dummy_words);
set_gdbarch_deprecated_sizeof_call_dummy_words (gdbarch, 0);
set_gdbarch_deprecated_save_dummy_frame_tos (gdbarch, generic_save_dummy_frame_tos);
set_gdbarch_deprecated_saved_pc_after_call (gdbarch, mcore_saved_pc_after_call);
set_gdbarch_breakpoint_from_pc (gdbarch, mcore_breakpoint_from_pc);
set_gdbarch_deprecated_push_return_address (gdbarch, mcore_push_return_address);
set_gdbarch_deprecated_push_arguments (gdbarch, mcore_push_arguments);
set_gdbarch_deprecated_init_extra_frame_info (gdbarch, mcore_init_extra_frame_info);
set_gdbarch_deprecated_frame_chain (gdbarch, mcore_frame_chain);
set_gdbarch_deprecated_frame_init_saved_regs (gdbarch, mcore_frame_init_saved_regs);
set_gdbarch_deprecated_frame_saved_pc (gdbarch, mcore_frame_saved_pc);
set_gdbarch_deprecated_store_return_value (gdbarch, mcore_store_return_value);
set_gdbarch_deprecated_extract_return_value (gdbarch,
mcore_extract_return_value);
set_gdbarch_deprecated_store_struct_return (gdbarch, mcore_store_struct_return);
set_gdbarch_skip_prologue (gdbarch, mcore_skip_prologue);
set_gdbarch_deprecated_frame_args_address (gdbarch, mcore_frame_args_address);
set_gdbarch_deprecated_frame_locals_address (gdbarch, mcore_frame_locals_address);
set_gdbarch_deprecated_pop_frame (gdbarch, mcore_pop_frame);
set_gdbarch_virtual_frame_pointer (gdbarch, mcore_virtual_frame_pointer);
set_gdbarch_inner_than (gdbarch, core_addr_lessthan);
set_gdbarch_use_struct_convention (gdbarch, mcore_use_struct_convention);
set_gdbarch_believe_pcc_promotion (gdbarch, 1);
set_gdbarch_deprecated_reg_struct_has_addr
(gdbarch, mcore_reg_struct_has_addr);
set_gdbarch_deprecated_dummy_write_sp (gdbarch, deprecated_write_sp);
set_gdbarch_print_insn (gdbarch, print_insn_mcore);
return gdbarch;
}
static void
mcore_dump_tdep (struct gdbarch *current_gdbarch, struct ui_file *file)
{
}
extern initialize_file_ftype _initialize_mcore_tdep;
void
_initialize_mcore_tdep (void)
{
gdbarch_register (bfd_arch_mcore, mcore_gdbarch_init, mcore_dump_tdep);
#ifdef MCORE_DEBUG
add_show_from_set (add_set_cmd ("mcoredebug", no_class,
var_boolean, (char *) &mcore_debug,
"Set mcore debugging.\n", &setlist),
&showlist);
#endif
}