#include "defs.h"
#include "frame.h"
#include "frame-base.h"
#include "trad-frame.h"
#include "frame-unwind.h"
#include "dwarf2-frame.h"
#include "gdbtypes.h"
#include "inferior.h"
#include "gdb_string.h"
#include "gdb_assert.h"
#include "gdbcore.h"
#include "arch-utils.h"
#include "regcache.h"
#include "dis-asm.h"
#include "osabi.h"
enum
{
E_R0_REGNUM,
E_R1_REGNUM,
E_R2_REGNUM,
E_R3_REGNUM, E_SP_REGNUM = E_R3_REGNUM,
E_R4_REGNUM,
E_R5_REGNUM,
E_R6_REGNUM, E_ARG0_REGNUM = E_R6_REGNUM,
E_R7_REGNUM,
E_R8_REGNUM,
E_R9_REGNUM, E_ARGLAST_REGNUM = E_R9_REGNUM,
E_R10_REGNUM, E_V0_REGNUM = E_R10_REGNUM,
E_R11_REGNUM, E_V1_REGNUM = E_R11_REGNUM,
E_R12_REGNUM,
E_R13_REGNUM,
E_R14_REGNUM,
E_R15_REGNUM,
E_R16_REGNUM,
E_R17_REGNUM,
E_R18_REGNUM,
E_R19_REGNUM,
E_R20_REGNUM,
E_R21_REGNUM,
E_R22_REGNUM,
E_R23_REGNUM,
E_R24_REGNUM,
E_R25_REGNUM,
E_R26_REGNUM,
E_R27_REGNUM,
E_R28_REGNUM,
E_R29_REGNUM, E_FP_REGNUM = E_R29_REGNUM,
E_R30_REGNUM, E_EP_REGNUM = E_R30_REGNUM,
E_R31_REGNUM, E_LP_REGNUM = E_R31_REGNUM,
E_R32_REGNUM, E_SR0_REGNUM = E_R32_REGNUM,
E_R33_REGNUM,
E_R34_REGNUM,
E_R35_REGNUM,
E_R36_REGNUM,
E_R37_REGNUM, E_PS_REGNUM = E_R37_REGNUM,
E_R38_REGNUM,
E_R39_REGNUM,
E_R40_REGNUM,
E_R41_REGNUM,
E_R42_REGNUM,
E_R43_REGNUM,
E_R44_REGNUM,
E_R45_REGNUM,
E_R46_REGNUM,
E_R47_REGNUM,
E_R48_REGNUM,
E_R49_REGNUM,
E_R50_REGNUM,
E_R51_REGNUM,
E_R52_REGNUM, E_CTBP_REGNUM = E_R52_REGNUM,
E_R53_REGNUM,
E_R54_REGNUM,
E_R55_REGNUM,
E_R56_REGNUM,
E_R57_REGNUM,
E_R58_REGNUM,
E_R59_REGNUM,
E_R60_REGNUM,
E_R61_REGNUM,
E_R62_REGNUM,
E_R63_REGNUM,
E_R64_REGNUM, E_PC_REGNUM = E_R64_REGNUM,
E_R65_REGNUM,
E_NUM_REGS
};
enum
{
v850_reg_size = 4
};
enum
{
E_MAX_RETTYPE_SIZE_IN_REGS = 2 * v850_reg_size
};
struct v850_frame_cache
{
CORE_ADDR base;
LONGEST sp_offset;
CORE_ADDR pc;
int uses_fp;
struct trad_frame_saved_reg *saved_regs;
};
struct pifsr
{
int offset;
int cur_frameoffset;
int reg;
};
static const char *
v850_register_name (int regnum)
{
static const char *v850_reg_names[] =
{ "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
"r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15",
"r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23",
"r24", "r25", "r26", "r27", "r28", "r29", "r30", "r31",
"eipc", "eipsw", "fepc", "fepsw", "ecr", "psw", "sr6", "sr7",
"sr8", "sr9", "sr10", "sr11", "sr12", "sr13", "sr14", "sr15",
"sr16", "sr17", "sr18", "sr19", "sr20", "sr21", "sr22", "sr23",
"sr24", "sr25", "sr26", "sr27", "sr28", "sr29", "sr30", "sr31",
"pc", "fp"
};
if (regnum < 0 || regnum >= E_NUM_REGS)
return NULL;
return v850_reg_names[regnum];
}
static const char *
v850e_register_name (int regnum)
{
static const char *v850e_reg_names[] =
{
"r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
"r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15",
"r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23",
"r24", "r25", "r26", "r27", "r28", "r29", "r30", "r31",
"eipc", "eipsw", "fepc", "fepsw", "ecr", "psw", "sr6", "sr7",
"sr8", "sr9", "sr10", "sr11", "sr12", "sr13", "sr14", "sr15",
"ctpc", "ctpsw", "dbpc", "dbpsw", "ctbp", "sr21", "sr22", "sr23",
"sr24", "sr25", "sr26", "sr27", "sr28", "sr29", "sr30", "sr31",
"pc", "fp"
};
if (regnum < 0 || regnum >= E_NUM_REGS)
return NULL;
return v850e_reg_names[regnum];
}
static struct type *
v850_register_type (struct gdbarch *gdbarch, int regnum)
{
if (regnum == E_PC_REGNUM)
return builtin_type_void_func_ptr;
return builtin_type_int32;
}
static int
v850_type_is_scalar (struct type *t)
{
return (TYPE_CODE (t) != TYPE_CODE_STRUCT
&& TYPE_CODE (t) != TYPE_CODE_UNION
&& TYPE_CODE (t) != TYPE_CODE_ARRAY);
}
static int
v850_use_struct_convention (struct type *type)
{
int i;
struct type *fld_type, *tgt_type;
if (TYPE_LENGTH (type) > 8)
return 1;
if (v850_type_is_scalar (type))
return 0;
if ((TYPE_CODE (type) == TYPE_CODE_STRUCT
|| TYPE_CODE (type) == TYPE_CODE_UNION)
&& TYPE_NFIELDS (type) == 1)
{
fld_type = TYPE_FIELD_TYPE (type, 0);
if (v850_type_is_scalar (fld_type) && TYPE_LENGTH (fld_type) >= 4)
return 0;
if (TYPE_CODE (fld_type) == TYPE_CODE_ARRAY)
{
tgt_type = TYPE_TARGET_TYPE (fld_type);
if (v850_type_is_scalar (tgt_type) && TYPE_LENGTH (tgt_type) >= 4)
return 0;
}
}
if (TYPE_CODE (type) == TYPE_CODE_STRUCT
&& v850_type_is_scalar (TYPE_FIELD_TYPE (type, 0))
&& TYPE_LENGTH (TYPE_FIELD_TYPE (type, 0)) == 4)
{
for (i = 1; i < TYPE_NFIELDS (type); ++i)
{
fld_type = TYPE_FIELD_TYPE (type, 0);
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
&& TYPE_LENGTH (fld_type) / TYPE_LENGTH (tgt_type) > 2)
return 1;
}
}
return 0;
}
if (TYPE_CODE (type) == TYPE_CODE_UNION)
{
for (i = 0; i < TYPE_NFIELDS (type); ++i)
{
fld_type = TYPE_FIELD_TYPE (type, 0);
if (!v850_use_struct_convention (fld_type))
return 0;
}
}
return 1;
}
struct reg_list
{
long mask;
int regno;
};
static void
v850_handle_prepare (int insn, int insn2, CORE_ADDR * current_pc_ptr,
struct v850_frame_cache *pi, struct pifsr **pifsr_ptr)
{
CORE_ADDR current_pc = *current_pc_ptr;
struct pifsr *pifsr = *pifsr_ptr;
long next = insn2 & 0xffff;
long list12 = ((insn & 1) << 16) + (next & 0xffe0);
long offset = (insn & 0x3e) << 1;
static struct reg_list reg_table[] =
{
{0x00800, 20},
{0x00400, 21},
{0x00200, 22},
{0x00100, 23},
{0x08000, 24},
{0x04000, 25},
{0x02000, 26},
{0x01000, 27},
{0x00080, 28},
{0x00040, 29},
{0x10000, 30},
{0x00020, 31},
{0, 0}
};
int i;
if ((next & 0x1f) == 0x0b)
current_pc += 2;
else if ((next & 0x1f) == 0x13)
current_pc += 2;
else if ((next & 0x1f) == 0x1b)
current_pc += 4;
for (i = 0; reg_table[i].mask != 0; i++)
if (list12 & reg_table[i].mask)
offset += v850_reg_size;
pi->sp_offset -= offset;
if (pifsr)
{
for (i = 0; reg_table[i].mask != 0; i++)
{
if (list12 & reg_table[i].mask)
{
int reg = reg_table[i].regno;
offset -= v850_reg_size;
pifsr->reg = reg;
pifsr->offset = offset;
pifsr->cur_frameoffset = pi->sp_offset;
pifsr++;
}
}
}
*current_pc_ptr = current_pc;
*pifsr_ptr = pifsr;
}
static void
v850_handle_pushm (int insn, int insn2, struct v850_frame_cache *pi,
struct pifsr **pifsr_ptr)
{
struct pifsr *pifsr = *pifsr_ptr;
long list12 = ((insn & 0x0f) << 16) + (insn2 & 0xfff0);
long offset = 0;
static struct reg_list pushml_reg_table[] =
{
{0x80000, E_PS_REGNUM},
{0x40000, 1},
{0x20000, 2},
{0x10000, 3},
{0x00800, 4},
{0x00400, 5},
{0x00200, 6},
{0x00100, 7},
{0x08000, 8},
{0x04000, 9},
{0x02000, 10},
{0x01000, 11},
{0x00080, 12},
{0x00040, 13},
{0x00020, 14},
{0x00010, 15},
{0, 0}
};
static struct reg_list pushmh_reg_table[] =
{
{0x80000, 16},
{0x40000, 17},
{0x20000, 18},
{0x10000, 19},
{0x00800, 20},
{0x00400, 21},
{0x00200, 22},
{0x00100, 23},
{0x08000, 24},
{0x04000, 25},
{0x02000, 26},
{0x01000, 27},
{0x00080, 28},
{0x00040, 29},
{0x00010, 30},
{0x00020, 31},
{0, 0}
};
struct reg_list *reg_table;
int i;
if ((insn2 & 7) == 1)
reg_table = pushml_reg_table;
else
reg_table = pushmh_reg_table;
for (i = 0; reg_table[i].mask != 0; i++)
if (list12 & reg_table[i].mask)
offset += v850_reg_size;
pi->sp_offset -= offset;
if (pifsr)
{
for (i = 0; reg_table[i].mask != 0; i++)
{
if (list12 & reg_table[i].mask)
{
int reg = reg_table[i].regno;
offset -= v850_reg_size;
pifsr->reg = reg;
pifsr->offset = offset;
pifsr->cur_frameoffset = pi->sp_offset;
pifsr++;
}
}
}
*pifsr_ptr = pifsr;
}
static int
v850_is_save_register (int reg)
{
return reg == E_R2_REGNUM
|| (reg >= E_R20_REGNUM && reg <= E_R29_REGNUM)
|| reg == E_R31_REGNUM;
}
static CORE_ADDR
v850_analyze_prologue (CORE_ADDR func_addr, CORE_ADDR pc,
struct v850_frame_cache *pi)
{
CORE_ADDR prologue_end, current_pc;
struct pifsr pifsrs[E_NUM_REGS + 1];
struct pifsr *pifsr, *pifsr_tmp;
int fp_used;
int ep_used;
int reg;
CORE_ADDR save_pc, save_end;
int regsave_func_p;
int r12_tmp;
memset (&pifsrs, 0, sizeof pifsrs);
pifsr = &pifsrs[0];
prologue_end = pc;
pi->sp_offset = 0;
pi->uses_fp = 0;
ep_used = 0;
regsave_func_p = 0;
save_pc = 0;
save_end = 0;
r12_tmp = 0;
for (current_pc = func_addr; current_pc < prologue_end;)
{
int insn;
int insn2 = -1;
insn = read_memory_integer (current_pc, 2);
current_pc += 2;
if ((insn & 0x0780) >= 0x0600)
{
insn2 = read_memory_integer (current_pc, 2);
current_pc += 2;
}
if ((insn & 0xffc0) == ((10 << 11) | 0x0780) && !regsave_func_p)
{
long low_disp = insn2 & ~(long) 1;
long disp = (((((insn & 0x3f) << 16) + low_disp)
& ~(long) 1) ^ 0x00200000) - 0x00200000;
save_pc = current_pc;
save_end = prologue_end;
regsave_func_p = 1;
current_pc += disp - 4;
prologue_end = (current_pc
+ (2 * 3)
+ 4
+ 2
+ (2 * 12)
+ 20);
}
else if ((insn & 0xffc0) == 0x0200 && !regsave_func_p)
{
long ctbp = read_register (E_CTBP_REGNUM);
long adr = ctbp + ((insn & 0x3f) << 1);
save_pc = current_pc;
save_end = prologue_end;
regsave_func_p = 1;
current_pc = ctbp + (read_memory_unsigned_integer (adr, 2) & 0xffff);
prologue_end = (current_pc
+ (2 * 3)
+ 4
+ 20);
continue;
}
else if ((insn & 0xffc0) == 0x0780)
{
v850_handle_prepare (insn, insn2, ¤t_pc, pi, &pifsr);
continue;
}
else if (insn == 0x07e0 && regsave_func_p && insn2 == 0x0144)
{
current_pc = save_pc;
prologue_end = save_end;
regsave_func_p = 0;
continue;
}
else if ((insn & 0xfff0) == 0x07e0 && (insn2 & 5) == 1)
{
v850_handle_pushm (insn, insn2, pi, &pifsr);
continue;
}
else if ((insn & 0xffe0) == 0x0060 && regsave_func_p)
{
current_pc = save_pc;
prologue_end = save_end;
regsave_func_p = 0;
continue;
}
else if ((insn & 0x07c0) == 0x0780
|| (insn & 0xffe0) == 0x0060
|| (insn & 0x0780) == 0x0580)
{
break;
}
else if ((insn & 0xffe0) == ((E_SP_REGNUM << 11) | 0x0240))
pi->sp_offset += ((insn & 0x1f) ^ 0x10) - 0x10;
else if (insn == ((E_SP_REGNUM << 11) | 0x0600 | E_SP_REGNUM))
pi->sp_offset += insn2;
else if (insn == ((E_FP_REGNUM << 11) | 0x0000 | E_SP_REGNUM))
pi->uses_fp = 1;
else if (insn == ((E_R12_REGNUM << 11) | 0x0640 | E_R0_REGNUM))
r12_tmp = insn2 << 16;
else if (insn == ((E_R12_REGNUM << 11) | 0x0620 | E_R12_REGNUM))
r12_tmp += insn2;
else if (insn == ((E_SP_REGNUM << 11) | 0x01c0 | E_R12_REGNUM) && r12_tmp)
pi->sp_offset += r12_tmp;
else if (insn == ((E_EP_REGNUM << 11) | 0x0000 | E_SP_REGNUM))
ep_used = 1;
else if (insn == ((E_EP_REGNUM << 11) | 0x0000 | E_R1_REGNUM))
ep_used = 0;
else if (((insn & 0x07ff) == (0x0760 | E_SP_REGNUM)
|| (pi->uses_fp
&& (insn & 0x07ff) == (0x0760 | E_FP_REGNUM)))
&& pifsr
&& v850_is_save_register (reg = (insn >> 11) & 0x1f))
{
pifsr->reg = reg;
pifsr->offset = insn2 & ~1;
pifsr->cur_frameoffset = pi->sp_offset;
pifsr++;
}
else if (ep_used
&& ((insn & 0x0781) == 0x0501)
&& pifsr
&& v850_is_save_register (reg = (insn >> 11) & 0x1f))
{
pifsr->reg = reg;
pifsr->offset = (insn & 0x007e) << 1;
pifsr->cur_frameoffset = pi->sp_offset;
pifsr++;
}
}
for (pifsr_tmp = pifsrs; pifsr_tmp != pifsr; pifsr_tmp++)
{
pifsr_tmp->offset -= pi->sp_offset - pifsr_tmp->cur_frameoffset;
pi->saved_regs[pifsr_tmp->reg].addr = pifsr_tmp->offset;
}
return current_pc;
}
static CORE_ADDR
v850_skip_prologue (CORE_ADDR pc)
{
CORE_ADDR func_addr, func_end;
if (find_pc_partial_function (pc, NULL, &func_addr, &func_end))
{
struct symtab_and_line sal;
sal = find_pc_line (func_addr, 0);
if (sal.line != 0 && sal.end < func_end)
return sal.end;
return pc;
}
return pc;
}
static CORE_ADDR
v850_frame_align (struct gdbarch *ignore, CORE_ADDR sp)
{
return sp & ~3;
}
static CORE_ADDR
v850_push_dummy_call (struct gdbarch *gdbarch,
struct value *function,
struct regcache *regcache,
CORE_ADDR bp_addr,
int nargs,
struct value **args,
CORE_ADDR sp,
int struct_return,
CORE_ADDR struct_addr)
{
int argreg;
int argnum;
int len = 0;
int stack_offset;
stack_offset = 16;
for (argnum = 0; argnum < nargs; argnum++)
len += ((TYPE_LENGTH (value_type (args[argnum])) + 3) & ~3);
sp -= len + stack_offset;
argreg = E_ARG0_REGNUM;
if (struct_return)
regcache_cooked_write_unsigned (regcache, argreg++, struct_addr);
for (argnum = 0; argnum < nargs; argnum++)
{
int len;
gdb_byte *val;
gdb_byte valbuf[v850_reg_size];
if (!v850_type_is_scalar (value_type (*args))
&& TYPE_LENGTH (value_type (*args)) > E_MAX_RETTYPE_SIZE_IN_REGS)
{
store_unsigned_integer (valbuf, 4, VALUE_ADDRESS (*args));
len = 4;
val = valbuf;
}
else
{
len = TYPE_LENGTH (value_type (*args));
val = (gdb_byte *) value_contents (*args);
}
while (len > 0)
if (argreg <= E_ARGLAST_REGNUM)
{
CORE_ADDR regval;
regval = extract_unsigned_integer (val, v850_reg_size);
regcache_cooked_write_unsigned (regcache, argreg, regval);
len -= v850_reg_size;
val += v850_reg_size;
argreg++;
}
else
{
write_memory (sp + stack_offset, val, 4);
len -= 4;
val += 4;
stack_offset += 4;
}
args++;
}
regcache_cooked_write_unsigned (regcache, E_LP_REGNUM, bp_addr);
regcache_cooked_write_unsigned (regcache, E_SP_REGNUM, sp);
return sp;
}
static void
v850_extract_return_value (struct type *type, struct regcache *regcache,
gdb_byte *valbuf)
{
int len = TYPE_LENGTH (type);
if (len <= v850_reg_size)
{
ULONGEST val;
regcache_cooked_read_unsigned (regcache, E_V0_REGNUM, &val);
store_unsigned_integer (valbuf, len, val);
}
else if (len <= 2 * v850_reg_size)
{
int i, regnum = E_V0_REGNUM;
gdb_byte buf[v850_reg_size];
for (i = 0; len > 0; i += 4, len -= 4)
{
regcache_raw_read (regcache, regnum++, buf);
memcpy (valbuf + i, buf, len > 4 ? 4 : len);
}
}
}
static void
v850_store_return_value (struct type *type, struct regcache *regcache,
const gdb_byte *valbuf)
{
int len = TYPE_LENGTH (type);
if (len <= v850_reg_size)
regcache_cooked_write_unsigned (regcache, E_V0_REGNUM,
extract_unsigned_integer (valbuf, len));
else if (len <= 2 * v850_reg_size)
{
int i, regnum = E_V0_REGNUM;
for (i = 0; i < len; i += 4)
regcache_raw_write (regcache, regnum++, valbuf + i);
}
}
static enum return_value_convention
v850_return_value (struct gdbarch *gdbarch, struct type *type,
struct regcache *regcache,
gdb_byte *readbuf, const gdb_byte *writebuf)
{
if (v850_use_struct_convention (type))
return RETURN_VALUE_STRUCT_CONVENTION;
if (writebuf)
v850_store_return_value (type, regcache, writebuf);
else if (readbuf)
v850_extract_return_value (type, regcache, readbuf);
return RETURN_VALUE_REGISTER_CONVENTION;
}
const static unsigned char *
v850_breakpoint_from_pc (CORE_ADDR *pcptr, int *lenptr)
{
static unsigned char breakpoint[] = { 0x85, 0x05 };
*lenptr = sizeof (breakpoint);
return breakpoint;
}
static struct v850_frame_cache *
v850_alloc_frame_cache (struct frame_info *next_frame)
{
struct v850_frame_cache *cache;
int i;
cache = FRAME_OBSTACK_ZALLOC (struct v850_frame_cache);
cache->saved_regs = trad_frame_alloc_saved_regs (next_frame);
cache->base = 0;
cache->sp_offset = 0;
cache->pc = 0;
cache->uses_fp = 0;
return cache;
}
static struct v850_frame_cache *
v850_frame_cache (struct frame_info *next_frame, void **this_cache)
{
struct v850_frame_cache *cache;
CORE_ADDR current_pc;
int i;
if (*this_cache)
return *this_cache;
cache = v850_alloc_frame_cache (next_frame);
*this_cache = cache;
cache->base = frame_unwind_register_unsigned (next_frame, E_FP_REGNUM);
if (cache->base == 0)
return cache;
cache->pc = frame_func_unwind (next_frame);
current_pc = frame_pc_unwind (next_frame);
if (cache->pc != 0)
v850_analyze_prologue (cache->pc, current_pc, cache);
if (!cache->uses_fp)
{
cache->base = frame_unwind_register_unsigned (next_frame, E_SP_REGNUM);
}
trad_frame_set_value (cache->saved_regs, E_SP_REGNUM,
cache->base - cache->sp_offset);
for (i = 0; i < E_NUM_REGS; i++)
if (trad_frame_addr_p (cache->saved_regs, i))
cache->saved_regs[i].addr += cache->base;
cache->saved_regs[E_PC_REGNUM] = cache->saved_regs[E_LP_REGNUM];
return cache;
}
static void
v850_frame_prev_register (struct frame_info *next_frame, void **this_cache,
int regnum, enum opt_state *optimizedp,
enum lval_type *lvalp, CORE_ADDR *addrp,
int *realnump, void *valuep)
{
struct v850_frame_cache *cache = v850_frame_cache (next_frame, this_cache);
gdb_assert (regnum >= 0);
trad_frame_get_prev_register (next_frame, cache->saved_regs, regnum,
optimizedp, lvalp, addrp, realnump, valuep);
}
static void
v850_frame_this_id (struct frame_info *next_frame, void **this_cache,
struct frame_id *this_id)
{
struct v850_frame_cache *cache = v850_frame_cache (next_frame, this_cache);
if (cache->base == 0)
return;
*this_id = frame_id_build (cache->saved_regs[E_SP_REGNUM].addr, cache->pc);
}
static const struct frame_unwind v850_frame_unwind = {
NORMAL_FRAME,
v850_frame_this_id,
v850_frame_prev_register
};
static const struct frame_unwind *
v850_frame_sniffer (struct frame_info *next_frame)
{
return &v850_frame_unwind;
}
static CORE_ADDR
v850_unwind_sp (struct gdbarch *gdbarch, struct frame_info *next_frame)
{
return frame_unwind_register_unsigned (next_frame, SP_REGNUM);
}
static CORE_ADDR
v850_unwind_pc (struct gdbarch *gdbarch, struct frame_info *next_frame)
{
return frame_unwind_register_unsigned (next_frame, PC_REGNUM);
}
static struct frame_id
v850_unwind_dummy_id (struct gdbarch *gdbarch, struct frame_info *next_frame)
{
return frame_id_build (v850_unwind_sp (gdbarch, next_frame),
frame_pc_unwind (next_frame));
}
static CORE_ADDR
v850_frame_base_address (struct frame_info *next_frame, void **this_cache)
{
struct v850_frame_cache *cache = v850_frame_cache (next_frame, this_cache);
return cache->base;
}
static const struct frame_base v850_frame_base = {
&v850_frame_unwind,
v850_frame_base_address,
v850_frame_base_address,
v850_frame_base_address
};
static struct gdbarch *
v850_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
{
struct gdbarch *gdbarch;
if (info.bfd_arch_info->arch != bfd_arch_v850)
return NULL;
gdbarch = gdbarch_alloc (&info, NULL);
switch (info.bfd_arch_info->mach)
{
case bfd_mach_v850:
set_gdbarch_register_name (gdbarch, v850_register_name);
break;
case bfd_mach_v850e:
case bfd_mach_v850e1:
set_gdbarch_register_name (gdbarch, v850e_register_name);
break;
}
set_gdbarch_num_regs (gdbarch, E_NUM_REGS);
set_gdbarch_num_pseudo_regs (gdbarch, 0);
set_gdbarch_sp_regnum (gdbarch, E_SP_REGNUM);
set_gdbarch_pc_regnum (gdbarch, E_PC_REGNUM);
set_gdbarch_fp0_regnum (gdbarch, -1);
set_gdbarch_register_type (gdbarch, v850_register_type);
set_gdbarch_char_signed (gdbarch, 0);
set_gdbarch_short_bit (gdbarch, 2 * TARGET_CHAR_BIT);
set_gdbarch_int_bit (gdbarch, 4 * TARGET_CHAR_BIT);
set_gdbarch_long_bit (gdbarch, 4 * TARGET_CHAR_BIT);
set_gdbarch_long_long_bit (gdbarch, 8 * TARGET_CHAR_BIT);
set_gdbarch_float_bit (gdbarch, 4 * TARGET_CHAR_BIT);
set_gdbarch_double_bit (gdbarch, 8 * TARGET_CHAR_BIT);
set_gdbarch_long_double_bit (gdbarch, 8 * TARGET_CHAR_BIT);
set_gdbarch_ptr_bit (gdbarch, 4 * TARGET_CHAR_BIT);
set_gdbarch_addr_bit (gdbarch, 4 * TARGET_CHAR_BIT);
set_gdbarch_inner_than (gdbarch, core_addr_lessthan);
set_gdbarch_breakpoint_from_pc (gdbarch, v850_breakpoint_from_pc);
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);
set_gdbarch_print_insn (gdbarch, print_insn_v850);
set_gdbarch_frame_align (gdbarch, v850_frame_align);
set_gdbarch_unwind_sp (gdbarch, v850_unwind_sp);
set_gdbarch_unwind_pc (gdbarch, v850_unwind_pc);
set_gdbarch_unwind_dummy_id (gdbarch, v850_unwind_dummy_id);
frame_base_set_default (gdbarch, &v850_frame_base);
gdbarch_init_osabi (info, gdbarch);
frame_unwind_append_sniffer (gdbarch, dwarf2_frame_sniffer);
frame_unwind_append_sniffer (gdbarch, v850_frame_sniffer);
return gdbarch;
}
extern initialize_file_ftype _initialize_v850_tdep;
void
_initialize_v850_tdep (void)
{
register_gdbarch_init (bfd_arch_v850, v850_gdbarch_init);
}