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Diffstat (limited to 'contrib/binutils/opcodes/sh-dis.c')
-rw-r--r--contrib/binutils/opcodes/sh-dis.c734
1 files changed, 0 insertions, 734 deletions
diff --git a/contrib/binutils/opcodes/sh-dis.c b/contrib/binutils/opcodes/sh-dis.c
deleted file mode 100644
index c4e960c24e8b..000000000000
--- a/contrib/binutils/opcodes/sh-dis.c
+++ /dev/null
@@ -1,734 +0,0 @@
-/* Disassemble SH instructions.
- Copyright (C) 1993, 94, 95, 96, 97, 1998 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 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. */
-
-#include "sysdep.h"
-#include <stdio.h>
-#define STATIC_TABLE
-#define DEFINE_TABLE
-
-#include "sh-opc.h"
-#include "dis-asm.h"
-
-#define LITTLE_BIT 2
-
-static void
-print_movxy (op, rn, rm, fprintf_fn, stream)
- sh_opcode_info *op;
- int rn, rm;
- fprintf_ftype fprintf_fn;
- void *stream;
-{
- int n;
-
- fprintf_fn (stream,"%s\t", op->name);
- for (n = 0; n < 2; n++)
- {
- switch (op->arg[n])
- {
- case A_IND_N:
- fprintf_fn (stream, "@r%d", rn);
- break;
- case A_INC_N:
- fprintf_fn (stream, "@r%d+", rn);
- break;
- case A_PMOD_N:
- fprintf_fn (stream, "@r%d+r8", rn);
- break;
- case A_PMODY_N:
- fprintf_fn (stream, "@r%d+r9", rn);
- break;
- case DSP_REG_M:
- fprintf_fn (stream, "a%c", '0' + rm);
- break;
- case DSP_REG_X:
- fprintf_fn (stream, "x%c", '0' + rm);
- break;
- case DSP_REG_Y:
- fprintf_fn (stream, "y%c", '0' + rm);
- break;
- default:
- abort ();
- }
- if (n == 0)
- fprintf_fn (stream, ",");
- }
-}
-
-/* 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. */
-static void
-print_insn_ddt (insn, info)
- 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");
-
- /* If a parallel processing insn was printed before,
- and we got a non-nop, emit a tab. */
- if ((insn & 0x800) && (insn & 0x3ff))
- 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)))
- fprintf_fn (stream, ".word 0x%x", insn);
- else
- {
- static sh_opcode_info *first_movx, *first_movy;
- sh_opcode_info *opx, *opy;
- int insn_x, insn_y;
-
- if (! first_movx)
- {
- for (first_movx = sh_table; first_movx->nibbles[1] != MOVX; )
- first_movx++;
- for (first_movy = first_movx; first_movy->nibbles[1] != MOVY; )
- first_movy++;
- }
- insn_x = (insn >> 2) & 0xb;
- if (insn_x)
- {
- for (opx = first_movx; opx->nibbles[2] != insn_x; ) opx++;
- print_movxy (opx, ((insn >> 9) & 1) + 4, (insn >> 7) & 1,
- fprintf_fn, stream);
- }
- insn_y = (insn & 3) | ((insn >> 1) & 8);
- if (insn_y)
- {
- if (insn_x)
- fprintf_fn (stream, "\t");
- for (opy = first_movy; opy->nibbles[2] != insn_y; ) opy++;
- print_movxy (opy, ((insn >> 8) & 1) + 6, (insn >> 6) & 1,
- fprintf_fn, stream);
- }
- }
-}
-
-static void
-print_dsp_reg (rm, fprintf_fn, stream)
- int rm;
- fprintf_ftype fprintf_fn;
- void *stream;
-{
- switch (rm)
- {
- case A_A1_NUM:
- fprintf_fn (stream, "a1");
- break;
- case A_A0_NUM:
- fprintf_fn (stream, "a0");
- break;
- case A_X0_NUM:
- fprintf_fn (stream, "x0");
- break;
- case A_X1_NUM:
- fprintf_fn (stream, "x1");
- break;
- case A_Y0_NUM:
- fprintf_fn (stream, "y0");
- break;
- case A_Y1_NUM:
- fprintf_fn (stream, "y1");
- break;
- case A_M0_NUM:
- fprintf_fn (stream, "m0");
- break;
- case A_A1G_NUM:
- fprintf_fn (stream, "a1g");
- break;
- case A_M1_NUM:
- fprintf_fn (stream, "m1");
- break;
- case A_A0G_NUM:
- fprintf_fn (stream, "a0g");
- break;
- default:
- fprintf_fn (stream, "0x%x", rm);
- break;
- }
-}
-
-static void
-print_insn_ppi (field_b, info)
- int field_b;
- struct disassemble_info *info;
-{
- static char *sx_tab[] = {"x0","x1","a0","a1"};
- static char *sy_tab[] = {"y0","y1","m0","m1"};
- fprintf_ftype fprintf_fn = info->fprintf_func;
- void *stream = info->stream;
- int nib1, nib2, nib3;
- char *dc;
- sh_opcode_info *op;
-
- if ((field_b & 0xe800) == 0)
- {
- fprintf_fn (stream, "psh%c\t#%d,",
- field_b & 0x1000 ? 'a' : 'l',
- (field_b >> 4) & 127);
- print_dsp_reg (field_b & 0xf, fprintf_fn, stream);
- return;
- }
- if ((field_b & 0xc000) == 0x4000 && (field_b & 0x3000) != 0x1000)
- {
- static char *du_tab[] = {"x0","y0","a0","a1"};
- static char *se_tab[] = {"x0","x1","y0","a1"};
- static char *sf_tab[] = {"y0","y1","x0","a1"};
- 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, "pmuls%c%s,%s,%s",
- field_b & 0x2000 ? ' ' : '\t',
- se_tab[(field_b >> 10) & 3],
- sf_tab[(field_b >> 8) & 3],
- sg_tab[(field_b >> 2) & 3]);
- return;
- }
-
- nib1 = PPIC;
- nib2 = field_b >> 12 & 0xf;
- nib3 = field_b >> 8 & 0xf;
- switch (nib3 & 0x3)
- {
- case 0:
- dc = "";
- nib1 = PPI3;
- break;
- case 1:
- dc = "";
- break;
- case 2:
- dc = "dct ";
- nib3 -= 1;
- break;
- case 3:
- dc = "dcf ";
- nib3 -= 2;
- break;
- }
- for (op = sh_table; op->name; op++)
- {
- if (op->nibbles[1] == nib1
- && op->nibbles[2] == nib2
- && op->nibbles[3] == nib3)
- {
- int n;
-
- fprintf_fn (stream, "%s%s\t", dc, op->name);
- for (n = 0; n < 3 && op->arg[n] != A_END; n++)
- {
- if (n && op->arg[1] != A_END)
- fprintf_fn (stream, ",");
- switch (op->arg[n])
- {
- case DSP_REG_N:
- print_dsp_reg (field_b & 0xf, fprintf_fn, stream);
- break;
- case DSP_REG_X:
- fprintf_fn (stream, sx_tab[(field_b >> 6) & 3]);
- break;
- case DSP_REG_Y:
- fprintf_fn (stream, sy_tab[(field_b >> 4) & 3]);
- break;
- case A_MACH:
- fprintf_fn (stream, "mach");
- break;
- case A_MACL:
- fprintf_fn (stream ,"macl");
- break;
- default:
- abort ();
- }
- }
- return;
- }
- }
- /* Not found. */
- fprintf_fn (stream, ".word 0x%x", field_b);
-}
-
-static int
-print_insn_shx (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 nibs[4];
- int status;
- bfd_vma relmask = ~ (bfd_vma) 0;
- sh_opcode_info *op;
- 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;
- break;
- default:
- abort ();
- }
-
- status = info->read_memory_func (memaddr, insn, 2, info);
-
- if (status != 0)
- {
- info->memory_error_func (status, memaddr, info);
- return -1;
- }
-
- if (info->flags & LITTLE_BIT)
- {
- nibs[0] = (insn[1] >> 4) & 0xf;
- nibs[1] = insn[1] & 0xf;
-
- nibs[2] = (insn[0] >> 4) & 0xf;
- nibs[3] = insn[0] & 0xf;
- }
- else
- {
- nibs[0] = (insn[0] >> 4) & 0xf;
- nibs[1] = insn[0] & 0xf;
-
- nibs[2] = (insn[1] >> 4) & 0xf;
- nibs[3] = insn[1] & 0xf;
- }
-
- if (nibs[0] == 0xf && (nibs[1] & 4) == 0 && target_arch & arch_sh_dsp_up)
- {
- if (nibs[1] & 8)
- {
- int field_b;
-
- status = info->read_memory_func (memaddr + 2, insn, 2, info);
-
- if (status != 0)
- {
- info->memory_error_func (status, memaddr + 2, info);
- return -1;
- }
-
- if (info->flags & LITTLE_BIT)
- field_b = insn[1] << 8 | insn[0];
- else
- field_b = insn[0] << 8 | insn[1];
-
- print_insn_ppi (field_b, info);
- print_insn_ddt ((nibs[1] << 8) | (nibs[2] << 4) | nibs[3], info);
- return 4;
- }
- print_insn_ddt ((nibs[1] << 8) | (nibs[2] << 4) | nibs[3], info);
- return 2;
- }
- for (op = sh_table; op->name; op++)
- {
- int n;
- int imm = 0;
- int rn = 0;
- int rm = 0;
- int rb = 0;
- int disp_pc;
- bfd_vma disp_pc_addr = 0;
-
- if ((op->arch & target_arch) == 0)
- goto fail;
- for (n = 0; n < 4; n++)
- {
- int i = op->nibbles[n];
-
- if (i < 16)
- {
- if (nibs[n] == i)
- continue;
- goto fail;
- }
- switch (i)
- {
- case BRANCH_8:
- imm = (nibs[2] << 4) | (nibs[3]);
- if (imm & 0x80)
- imm |= ~0xff;
- imm = ((char)imm) * 2 + 4 ;
- goto ok;
- case BRANCH_12:
- imm = ((nibs[1]) << 8) | (nibs[2] << 4) | (nibs[3]);
- if (imm & 0x800)
- imm |= ~0xfff;
- imm = imm * 2 + 4;
- goto ok;
- case IMM_4:
- imm = nibs[3];
- goto ok;
- case IMM_4BY2:
- imm = nibs[3] <<1;
- goto ok;
- case IMM_4BY4:
- imm = nibs[3] <<2;
- goto ok;
- case IMM_8:
- imm = (nibs[2] << 4) | nibs[3];
- goto ok;
- case PCRELIMM_8BY2:
- imm = ((nibs[2] << 4) | nibs[3]) <<1;
- relmask = ~ (bfd_vma) 1;
- goto ok;
- case PCRELIMM_8BY4:
- imm = ((nibs[2] << 4) | nibs[3]) <<2;
- relmask = ~ (bfd_vma) 3;
- goto ok;
- case IMM_8BY2:
- imm = ((nibs[2] << 4) | nibs[3]) <<1;
- goto ok;
- case IMM_8BY4:
- imm = ((nibs[2] << 4) | nibs[3]) <<2;
- goto ok;
- case DISP_8:
- imm = (nibs[2] << 4) | (nibs[3]);
- goto ok;
- case DISP_4:
- imm = nibs[3];
- goto ok;
- case REG_N:
- rn = nibs[n];
- break;
- case REG_M:
- rm = nibs[n];
- break;
- case REG_NM:
- rn = (nibs[n] & 0xc) >> 2;
- rm = (nibs[n] & 0x3);
- break;
- case REG_B:
- rb = nibs[n] & 0x07;
- break;
- case SDT_REG_N:
- /* sh-dsp: single data transfer. */
- rn = nibs[n];
- if ((rn & 0xc) != 4)
- goto fail;
- rn = rn & 0x3;
- rn |= (rn & 2) << 1;
- break;
- case PPI:
- goto fail;
- default:
- abort();
- }
- }
-
- ok:
- fprintf_fn (stream,"%s\t", op->name);
- disp_pc = 0;
- for (n = 0; n < 3 && op->arg[n] != A_END; n++)
- {
- if (n && op->arg[1] != A_END)
- fprintf_fn (stream, ",");
- switch (op->arg[n])
- {
- case A_IMM:
- fprintf_fn (stream, "#%d", (char)(imm));
- break;
- case A_R0:
- fprintf_fn (stream, "r0");
- break;
- case A_REG_N:
- fprintf_fn (stream, "r%d", rn);
- break;
- case A_INC_N:
- fprintf_fn (stream, "@r%d+", rn);
- break;
- case A_DEC_N:
- fprintf_fn (stream, "@-r%d", rn);
- break;
- case A_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:
- fprintf_fn (stream, "@r%d+r8", rn);
- break;
- case A_REG_M:
- fprintf_fn (stream, "r%d", rm);
- break;
- case A_INC_M:
- fprintf_fn (stream, "@r%d+", rm);
- break;
- case A_DEC_M:
- fprintf_fn (stream, "@-r%d", rm);
- break;
- case A_IND_M:
- fprintf_fn (stream, "@r%d", rm);
- break;
- case A_DISP_REG_M:
- fprintf_fn (stream, "@(%d,r%d)", imm, rm);
- break;
- case A_REG_B:
- fprintf_fn (stream, "r%d_bank", rb);
- break;
- case A_DISP_PC:
- disp_pc = 1;
- disp_pc_addr = imm + 4 + (memaddr & relmask);
- (*info->print_address_func) (disp_pc_addr, info);
- break;
- case A_IND_R0_REG_N:
- fprintf_fn (stream, "@(r0,r%d)", rn);
- break;
- case A_IND_R0_REG_M:
- fprintf_fn (stream, "@(r0,r%d)", rm);
- break;
- case A_DISP_GBR:
- fprintf_fn (stream, "@(%d,gbr)",imm);
- break;
- case A_R0_GBR:
- fprintf_fn (stream, "@(r0,gbr)");
- break;
- case A_BDISP12:
- case A_BDISP8:
- (*info->print_address_func) (imm + memaddr, info);
- break;
- case A_SR:
- fprintf_fn (stream, "sr");
- break;
- case A_GBR:
- fprintf_fn (stream, "gbr");
- break;
- case A_VBR:
- fprintf_fn (stream, "vbr");
- break;
- case A_DSR:
- fprintf_fn (stream, "dsr");
- break;
- case A_MOD:
- fprintf_fn (stream, "mod");
- break;
- case A_RE:
- fprintf_fn (stream, "re");
- break;
- case A_RS:
- fprintf_fn (stream, "rs");
- break;
- case A_A0:
- fprintf_fn (stream, "a0");
- break;
- case A_X0:
- fprintf_fn (stream, "x0");
- break;
- case A_X1:
- fprintf_fn (stream, "x1");
- break;
- case A_Y0:
- fprintf_fn (stream, "y0");
- break;
- case A_Y1:
- fprintf_fn (stream, "y1");
- break;
- case DSP_REG_M:
- print_dsp_reg (rm, fprintf_fn, stream);
- break;
- case A_SSR:
- fprintf_fn (stream, "ssr");
- break;
- case A_SPC:
- fprintf_fn (stream, "spc");
- break;
- case A_MACH:
- fprintf_fn (stream, "mach");
- break;
- case A_MACL:
- fprintf_fn (stream ,"macl");
- break;
- case A_PR:
- fprintf_fn (stream, "pr");
- break;
- case A_SGR:
- fprintf_fn (stream, "sgr");
- break;
- case A_DBR:
- fprintf_fn (stream, "dbr");
- break;
- case F_REG_N:
- fprintf_fn (stream, "fr%d", rn);
- break;
- case F_REG_M:
- fprintf_fn (stream, "fr%d", rm);
- break;
- case DX_REG_N:
- if (rn & 1)
- {
- fprintf_fn (stream, "xd%d", rn & ~1);
- break;
- }
- d_reg_n:
- case D_REG_N:
- fprintf_fn (stream, "dr%d", rn);
- break;
- case DX_REG_M:
- if (rm & 1)
- {
- fprintf_fn (stream, "xd%d", rm & ~1);
- break;
- }
- case D_REG_M:
- fprintf_fn (stream, "dr%d", rm);
- break;
- case FPSCR_M:
- case FPSCR_N:
- fprintf_fn (stream, "fpscr");
- break;
- case FPUL_M:
- case FPUL_N:
- fprintf_fn (stream, "fpul");
- break;
- case F_FR0:
- fprintf_fn (stream, "fr0");
- break;
- case V_REG_N:
- fprintf_fn (stream, "fv%d", rn*4);
- break;
- case V_REG_M:
- fprintf_fn (stream, "fv%d", rm*4);
- break;
- case XMTRX_M4:
- fprintf_fn (stream, "xmtrx");
- break;
- default:
- abort();
- }
- }
-
-#if 0
- /* This code prints instructions in delay slots on the same line
- as the instruction which needs the delay slots. This can be
- confusing, since other disassembler don't work this way, and
- it means that the instructions are not all in a line. So I
- disabled it. Ian. */
- if (!(info->flags & 1)
- && (op->name[0] == 'j'
- || (op->name[0] == 'b'
- && (op->name[1] == 'r'
- || op->name[1] == 's'))
- || (op->name[0] == 'r' && op->name[1] == 't')
- || (op->name[0] == 'b' && op->name[2] == '.')))
- {
- info->flags |= 1;
- fprintf_fn (stream, "\t(slot ");
- print_insn_shx (memaddr + 2, info);
- info->flags &= ~1;
- fprintf_fn (stream, ")");
- return 4;
- }
-#endif
-
- if (disp_pc && strcmp (op->name, "mova") != 0)
- {
- int size;
- bfd_byte bytes[4];
-
- if (relmask == ~ (bfd_vma) 1)
- size = 2;
- else
- size = 4;
- status = info->read_memory_func (disp_pc_addr, bytes, size, info);
- if (status == 0)
- {
- unsigned int val;
-
- if (size == 2)
- {
- if ((info->flags & LITTLE_BIT) != 0)
- val = bfd_getl16 (bytes);
- else
- val = bfd_getb16 (bytes);
- }
- else
- {
- if ((info->flags & LITTLE_BIT) != 0)
- val = bfd_getl32 (bytes);
- else
- val = bfd_getb32 (bytes);
- }
- fprintf_fn (stream, "\t! 0x%x", val);
- }
- }
-
- return 2;
- fail:
- ;
-
- }
- 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;
-}
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