/* Disassemble SH instructions.
- Copyright 1993, 1994, 1995, 1997, 1998, 2000, 2001, 2002, 2003, 2004
- Free Software Foundation, Inc.
+ Copyright (C) 1993-2020 Free Software Foundation, Inc.
- This program is free software; you can redistribute it and/or modify
+ This file is part of the GNU opcodes library.
+
+ This library 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.
+ the Free Software Foundation; either version 3, 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.
+ It 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., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
+ along with this file; see the file COPYING. If not, write to the
+ Free Software Foundation, 51 Franklin Street - Fifth Floor, Boston,
+ MA 02110-1301, USA. */
-#include <stdio.h>
#include "sysdep.h"
+#include <stdio.h>
+
#define STATIC_TABLE
#define DEFINE_TABLE
#include "sh-opc.h"
-#include "dis-asm.h"
-
-#ifdef ARCH_all
-#define INCLUDE_SHMEDIA
-#endif
-
-static void print_movxy
- 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 *));
+#include "disassemble.h"
static void
-print_movxy (op, rn, rm, fprintf_fn, stream)
- const sh_opcode_info *op;
- int rn, rm;
- fprintf_ftype fprintf_fn;
- void *stream;
+print_movxy (const sh_opcode_info *op,
+ int rn,
+ int rm,
+ fprintf_ftype fprintf_fn,
+ void *stream)
{
int n;
/* Print a double data transfer insn. INSN is just the lower three
nibbles of the insn, i.e. field a and the bit that indicates if
- a parallel processing insn follows.
- Return nonzero if a field b of a parallel processing insns follows. */
+ a parallel processing insn follows. */
static void
-print_insn_ddt (insn, info)
- int insn;
- struct disassemble_info *info;
+print_insn_ddt (int insn, struct disassemble_info *info)
{
fprintf_ftype fprintf_fn = info->fprintf_func;
void *stream = info->stream;
/* If this is just a nop, make sure to emit something. */
if (insn == 0x000)
- fprintf_fn (stream, "nopx\tnopy");
+ {
+ fprintf_fn (stream, "nopx\tnopy");
+ return;
+ }
/* If a parallel processing insn was printed before,
and we got a non-nop, emit a tab. */
fprintf_fn (stream, "\t");
/* Check if either the x or y part is invalid. */
- if (((insn & 0xc) == 0 && (insn & 0x2a0))
- || ((insn & 3) == 0 && (insn & 0x150)))
+ if (((insn & 3) != 0 && (insn & 0xc) == 0 && (insn & 0x2a0))
+ || ((insn & 3) == 0 && (insn & 0xc) != 0 && (insn & 0x150)))
if (info->mach != bfd_mach_sh_dsp
&& info->mach != bfd_mach_sh3_dsp)
{
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
fprintf_fn, stream);
}
else
- fprintf_fn (stream, ".word 0x%x", insn);
+ fprintf_fn (stream, ".word 0x%x", insn | 0xf000);
else
{
static const sh_opcode_info *first_movx, *first_movy;
print_movxy (opy, ((insn >> 8) & 1) + 6, (insn >> 6) & 1,
fprintf_fn, stream);
}
+ if (!insn_x && !insn_y && ((insn & 0x3ff) != 0 || (insn & 0x800) == 0))
+ fprintf_fn (stream, ".word 0x%x", insn | 0xf000);
}
}
static void
-print_dsp_reg (rm, fprintf_fn, stream)
- int rm;
- fprintf_ftype fprintf_fn;
- void *stream;
+print_dsp_reg (int rm, fprintf_ftype fprintf_fn, void *stream)
{
switch (rm)
{
}
static void
-print_insn_ppi (field_b, info)
- int field_b;
- struct disassemble_info *info;
+print_insn_ppi (int field_b, struct disassemble_info *info)
{
static char *sx_tab[] = { "x0", "x1", "a0", "a1" };
static char *sy_tab[] = { "y0", "y1", "m0", "m1" };
static char *sg_tab[] = { "m0", "m1", "a0", "a1" };
if (field_b & 0x2000)
- {
- fprintf_fn (stream, "p%s %s,%s,%s\t",
- (field_b & 0x1000) ? "add" : "sub",
- sx_tab[(field_b >> 6) & 3],
- sy_tab[(field_b >> 4) & 3],
- du_tab[(field_b >> 0) & 3]);
- }
+ fprintf_fn (stream, "p%s %s,%s,%s\t",
+ (field_b & 0x1000) ? "add" : "sub",
+ sx_tab[(field_b >> 6) & 3],
+ 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]);
- }
+ 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, ".word 0x%x\t", field_b);
+
fprintf_fn (stream, "pmuls%c%s,%s,%s",
field_b & 0x2000 ? ' ' : '\t',
se_tab[(field_b >> 10) & 3],
print_dsp_reg (field_b & 0xf, fprintf_fn, stream);
break;
case DSP_REG_X:
- fprintf_fn (stream, sx_tab[(field_b >> 6) & 3]);
+ fprintf_fn (stream, "%s", sx_tab[(field_b >> 6) & 3]);
break;
case DSP_REG_Y:
- fprintf_fn (stream, sy_tab[(field_b >> 4) & 3]);
+ fprintf_fn (stream, "%s", sy_tab[(field_b >> 4) & 3]);
break;
case A_MACH:
fprintf_fn (stream, "mach");
/* FIXME mvs: movx insns print as ".word 0x%03x", insn & 0xfff
(ie. the upper nibble is missing). */
+
int
-print_insn_sh (memaddr, info)
- bfd_vma memaddr;
- struct disassemble_info *info;
+print_insn_sh (bfd_vma memaddr, struct disassemble_info *info)
{
fprintf_ftype fprintf_fn = info->fprintf_func;
void *stream = info->stream;
&& 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:
target_arch = sh_get_arch_from_bfd_mach (info->mach);
}
case REG_N_D:
if ((nibs[n] & 1) != 0)
goto fail;
- /* fall through */
+ /* Fall through. */
case REG_N:
rn = nibs[n];
break;
fprintf_fn (stream, "xd%d", rn & ~1);
break;
}
+ /* Fall through. */
case D_REG_N:
fprintf_fn (stream, "dr%d", rn);
break;
fprintf_fn (stream, "xd%d", rm & ~1);
break;
}
+ /* Fall through. */
case D_REG_M:
fprintf_fn (stream, "dr%d", rm);
break;
size = 2;
else
size = 4;
+ /* Not reading an instruction - disable stop_vma. */
+ info->stop_vma = 0;
status = info->read_memory_func (disp_pc_addr, bytes, size, info);
if (status == 0)
{
}
if ((*info->symbol_at_address_func) (val, info))
{
- fprintf_fn (stream, "\t! 0x");
+ fprintf_fn (stream, "\t! ");
(*info->print_address_func) (val, info);
}
else
- fprintf_fn (stream, "\t! 0x%x", val);
+ fprintf_fn (stream, "\t! %x", val);
}
}
projects / deliverable / binutils-gdb.git / blobdiff