/* Disassemble SH instructions.
- Copyright 1993, 1994, 1995, 1997, 1998, 2000, 2001
+ Copyright 1993, 1994, 1995, 1997, 1998, 2000, 2001, 2002, 2003, 2004
Free Software Foundation, Inc.
-This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#include <stdio.h>
#include "sysdep.h"
#include "sh-opc.h"
#include "dis-asm.h"
-#define LITTLE_BIT 2
+#ifdef ARCH_all
+#define INCLUDE_SHMEDIA
+#endif
static void print_movxy
- PARAMS ((sh_opcode_info *, int, int, fprintf_ftype, void *));
+ PARAMS ((const sh_opcode_info *, int, int, fprintf_ftype, void *));
static void print_insn_ddt PARAMS ((int, struct disassemble_info *));
static void print_dsp_reg PARAMS ((int, fprintf_ftype, void *));
static void print_insn_ppi PARAMS ((int, struct disassemble_info *));
-static int print_insn_shx PARAMS ((bfd_vma, struct disassemble_info *));
static void
print_movxy (op, rn, rm, fprintf_fn, stream)
- sh_opcode_info *op;
+ const sh_opcode_info *op;
int rn, rm;
fprintf_ftype fprintf_fn;
void *stream;
switch (op->arg[n])
{
case A_IND_N:
+ case AX_IND_N:
+ case AXY_IND_N:
+ case AY_IND_N:
+ case AYX_IND_N:
fprintf_fn (stream, "@r%d", rn);
break;
case A_INC_N:
+ case AX_INC_N:
+ case AXY_INC_N:
+ case AY_INC_N:
+ case AYX_INC_N:
fprintf_fn (stream, "@r%d+", rn);
break;
- case A_PMOD_N:
+ case AX_PMOD_N:
+ case AXY_PMOD_N:
fprintf_fn (stream, "@r%d+r8", rn);
break;
- case A_PMODY_N:
+ case AY_PMOD_N:
+ case AYX_PMOD_N:
fprintf_fn (stream, "@r%d+r9", rn);
break;
- case DSP_REG_M:
+ case DSP_REG_A_M:
fprintf_fn (stream, "a%c", '0' + rm);
break;
case DSP_REG_X:
case DSP_REG_Y:
fprintf_fn (stream, "y%c", '0' + rm);
break;
+ case DSP_REG_AX:
+ fprintf_fn (stream, "%c%c",
+ (rm & 1) ? 'x' : 'a',
+ (rm & 2) ? '1' : '0');
+ break;
+ case DSP_REG_XY:
+ fprintf_fn (stream, "%c%c",
+ (rm & 1) ? 'y' : 'x',
+ (rm & 2) ? '1' : '0');
+ break;
+ case DSP_REG_AY:
+ fprintf_fn (stream, "%c%c",
+ (rm & 2) ? 'y' : 'a',
+ (rm & 1) ? '1' : '0');
+ break;
+ case DSP_REG_YX:
+ fprintf_fn (stream, "%c%c",
+ (rm & 2) ? 'x' : 'y',
+ (rm & 1) ? '1' : '0');
+ break;
default:
abort ();
}
/* Check if either the x or y part is invalid. */
if (((insn & 0xc) == 0 && (insn & 0x2a0))
|| ((insn & 3) == 0 && (insn & 0x150)))
- fprintf_fn (stream, ".word 0x%x", insn);
+ if (info->mach != bfd_mach_sh_dsp
+ && info->mach != bfd_mach_sh3_dsp)
+ {
+ static const sh_opcode_info *first_movx, *first_movy;
+ const sh_opcode_info *op;
+ int is_movy;
+
+ if (! first_movx)
+ {
+ for (first_movx = sh_table; first_movx->nibbles[1] != MOVX_NOPY;)
+ first_movx++;
+ for (first_movy = first_movx; first_movy->nibbles[1] != MOVY_NOPX;)
+ first_movy++;
+ }
+
+ is_movy = ((insn & 3) != 0);
+
+ if (is_movy)
+ op = first_movy;
+ else
+ op = first_movx;
+
+ while (op->nibbles[2] != (unsigned) ((insn >> 4) & 3)
+ || op->nibbles[3] != (unsigned) (insn & 0xf))
+ op++;
+
+ print_movxy (op,
+ (4 * ((insn & (is_movy ? 0x200 : 0x100)) == 0)
+ + 2 * is_movy
+ + 1 * ((insn & (is_movy ? 0x100 : 0x200)) != 0)),
+ (insn >> 6) & 3,
+ fprintf_fn, stream);
+ }
+ else
+ fprintf_fn (stream, ".word 0x%x", insn);
else
{
- static sh_opcode_info *first_movx, *first_movy;
- sh_opcode_info *opx, *opy;
+ static const sh_opcode_info *first_movx, *first_movy;
+ const sh_opcode_info *opx, *opy;
unsigned int insn_x, insn_y;
if (! first_movx)
fprintf_ftype fprintf_fn = info->fprintf_func;
void *stream = info->stream;
unsigned int nib1, nib2, nib3;
+ unsigned int altnib1, nib4;
char *dc = NULL;
- sh_opcode_info *op;
+ const sh_opcode_info *op;
if ((field_b & 0xe800) == 0)
{
sy_tab[(field_b >> 4) & 3],
du_tab[(field_b >> 0) & 3]);
}
+ else if ((field_b & 0xf0) == 0x10
+ && info->mach != bfd_mach_sh_dsp
+ && info->mach != bfd_mach_sh3_dsp)
+ {
+ fprintf_fn (stream, "pclr %s \t", du_tab[(field_b >> 0) & 3]);
+ }
+ else if ((field_b & 0xf3) != 0)
+ {
+ fprintf_fn (stream, ".word 0x%x\t", field_b);
+ }
fprintf_fn (stream, "pmuls%c%s,%s,%s",
field_b & 0x2000 ? ' ' : '\t',
se_tab[(field_b >> 10) & 3],
nib1 = PPIC;
nib2 = field_b >> 12 & 0xf;
nib3 = field_b >> 8 & 0xf;
+ nib4 = field_b >> 4 & 0xf;
switch (nib3 & 0x3)
{
case 0:
nib3 -= 2;
break;
}
+ if (nib1 == PPI3)
+ altnib1 = PPI3NC;
+ else
+ altnib1 = nib1;
for (op = sh_table; op->name; op++)
{
- if (op->nibbles[1] == nib1
+ if ((op->nibbles[1] == nib1 || op->nibbles[1] == altnib1)
&& op->nibbles[2] == nib2
&& op->nibbles[3] == nib3)
{
int n;
+ switch (op->nibbles[4])
+ {
+ case HEX_0:
+ break;
+ case HEX_XX00:
+ if ((nib4 & 3) != 0)
+ continue;
+ break;
+ case HEX_1:
+ if ((nib4 & 3) != 1)
+ continue;
+ break;
+ case HEX_00YY:
+ if ((nib4 & 0xc) != 0)
+ continue;
+ break;
+ case HEX_4:
+ if ((nib4 & 0xc) != 4)
+ continue;
+ break;
+ default:
+ abort ();
+ }
fprintf_fn (stream, "%s%s\t", dc, op->name);
for (n = 0; n < 3 && op->arg[n] != A_END; n++)
{
fprintf_fn (stream, ".word 0x%x", field_b);
}
-static int
-print_insn_shx (memaddr, info)
+int
+print_insn_sh (memaddr, info)
bfd_vma memaddr;
struct disassemble_info *info;
{
fprintf_ftype fprintf_fn = info->fprintf_func;
void *stream = info->stream;
- unsigned char insn[2];
+ unsigned char insn[4];
unsigned char nibs[4];
int status;
bfd_vma relmask = ~(bfd_vma) 0;
- sh_opcode_info *op;
- int target_arch;
+ const sh_opcode_info *op;
+ unsigned int target_arch;
switch (info->mach)
{
case bfd_mach_sh:
target_arch = arch_sh1;
- break;
- case bfd_mach_sh2:
- target_arch = arch_sh2;
- break;
- case bfd_mach_sh_dsp:
- target_arch = arch_sh_dsp;
- break;
- case bfd_mach_sh3:
- target_arch = arch_sh3;
- break;
- case bfd_mach_sh3_dsp:
- target_arch = arch_sh3_dsp;
- break;
- case bfd_mach_sh3e:
- target_arch = arch_sh3e;
- break;
- case bfd_mach_sh4:
- target_arch = arch_sh4;
+ /* SH coff object files lack information about the machine type, so
+ we end up with bfd_mach_sh unless it was set explicitly (which
+ could have happended if this is a call from gdb or the simulator.) */
+ if (info->symbols
+ && bfd_asymbol_flavour(*info->symbols) == bfd_target_coff_flavour)
+ target_arch = arch_sh4;
break;
case bfd_mach_sh5:
+#ifdef INCLUDE_SHMEDIA
+ status = print_insn_sh64 (memaddr, info);
+ if (status != -2)
+ return status;
+#endif
/* When we get here for sh64, it's because we want to disassemble
SHcompact, i.e. arch_sh4. */
target_arch = arch_sh4;
break;
default:
- abort ();
+ target_arch = sh_get_arch_from_bfd_mach (info->mach);
}
status = info->read_memory_func (memaddr, insn, 2, info);
return -1;
}
- if (info->flags & LITTLE_BIT)
+ if (info->endian == BFD_ENDIAN_LITTLE)
{
nibs[0] = (insn[1] >> 4) & 0xf;
nibs[1] = insn[1] & 0xf;
nibs[3] = insn[1] & 0xf;
}
- if (nibs[0] == 0xf && (nibs[1] & 4) == 0 && target_arch & arch_sh_dsp_up)
+ if (nibs[0] == 0xf && (nibs[1] & 4) == 0
+ && SH_MERGE_ARCH_SET_VALID (target_arch, arch_sh_dsp_up))
{
if (nibs[1] & 8)
{
return -1;
}
- if (info->flags & LITTLE_BIT)
+ if (info->endian == BFD_ENDIAN_LITTLE)
field_b = insn[1] << 8 | insn[0];
else
field_b = insn[0] << 8 | insn[1];
int disp_pc;
bfd_vma disp_pc_addr = 0;
- if ((op->arch & target_arch) == 0)
+ if (!SH_MERGE_ARCH_SET_VALID (op->arch, target_arch))
goto fail;
for (n = 0; n < 4; n++)
{
case IMM1_8BY4:
imm = ((nibs[2] << 4) | nibs[3]) << 2;
goto ok;
+ case REG_N_D:
+ if ((nibs[n] & 1) != 0)
+ goto fail;
+ /* fall through */
case REG_N:
rn = nibs[n];
break;
case REG_M:
rm = nibs[n];
break;
+ case REG_N_B01:
+ if ((nibs[n] & 0x3) != 1 /* binary 01 */)
+ goto fail;
+ rn = (nibs[n] & 0xc) >> 2;
+ break;
case REG_NM:
rn = (nibs[n] & 0xc) >> 2;
rm = (nibs[n] & 0x3);
fprintf_fn (stream, "r%d", rn);
break;
case A_INC_N:
+ case AS_INC_N:
fprintf_fn (stream, "@r%d+", rn);
break;
case A_DEC_N:
+ case AS_DEC_N:
fprintf_fn (stream, "@-r%d", rn);
break;
case A_IND_N:
+ case AS_IND_N:
fprintf_fn (stream, "@r%d", rn);
break;
case A_DISP_REG_N:
fprintf_fn (stream, "@(%d,r%d)", imm, rn);
break;
- case A_PMOD_N:
+ case AS_PMOD_N:
fprintf_fn (stream, "@r%d+r8", rn);
break;
case A_REG_M:
{
info->flags |= 1;
fprintf_fn (stream, "\t(slot ");
- print_insn_shx (memaddr + 2, info);
+ print_insn_sh (memaddr + 2, info);
info->flags &= ~1;
fprintf_fn (stream, ")");
return 4;
if (size == 2)
{
- if ((info->flags & LITTLE_BIT) != 0)
+ if (info->endian == BFD_ENDIAN_LITTLE)
val = bfd_getl16 (bytes);
else
val = bfd_getb16 (bytes);
}
else
{
- if ((info->flags & LITTLE_BIT) != 0)
+ if (info->endian == BFD_ENDIAN_LITTLE)
val = bfd_getl32 (bytes);
else
val = bfd_getb32 (bytes);
}
- fprintf_fn (stream, "\t! 0x%x", val);
+ if ((*info->symbol_at_address_func) (val, info))
+ {
+ fprintf_fn (stream, "\t! 0x");
+ (*info->print_address_func) (val, info);
+ }
+ else
+ fprintf_fn (stream, "\t! 0x%x", val);
}
}
fprintf_fn (stream, ".word 0x%x%x%x%x", nibs[0], nibs[1], nibs[2], nibs[3]);
return 2;
}
-
-int
-print_insn_shl (memaddr, info)
- bfd_vma memaddr;
- struct disassemble_info *info;
-{
- int r;
-
- info->flags = LITTLE_BIT;
- r = print_insn_shx (memaddr, info);
- return r;
-}
-
-int
-print_insn_sh (memaddr, info)
- bfd_vma memaddr;
- struct disassemble_info *info;
-{
- int r;
-
- info->flags = 0;
- r = print_insn_shx (memaddr, info);
- return r;
-}
projects / deliverable / binutils-gdb.git / blobdiff