summaryrefslogtreecommitdiffstats
path: root/contrib/binutils/opcodes/sh-dis.c
diff options
context:
space:
mode:
authorjdp <jdp@FreeBSD.org>1998-09-06 22:57:45 +0000
committerjdp <jdp@FreeBSD.org>1998-09-06 22:57:45 +0000
commiteffee09f856ecc81feb91290459a2cda49d20287 (patch)
tree5c46ac1ee102130859f788aeb927e8086985cfe7 /contrib/binutils/opcodes/sh-dis.c
parent31cb88078db5bdc51eb451c5a61e31a426fb8ae6 (diff)
downloadFreeBSD-src-effee09f856ecc81feb91290459a2cda49d20287.zip
FreeBSD-src-effee09f856ecc81feb91290459a2cda49d20287.tar.gz
Import GNU binutils-2.9.1. This will break things for a few minutes
until I've made the commits to resolve the conflicts. Submitted by: Doug Rabson <dfr>
Diffstat (limited to 'contrib/binutils/opcodes/sh-dis.c')
-rw-r--r--contrib/binutils/opcodes/sh-dis.c342
1 files changed, 212 insertions, 130 deletions
diff --git a/contrib/binutils/opcodes/sh-dis.c b/contrib/binutils/opcodes/sh-dis.c
index c83570e..2ebfdb6 100644
--- a/contrib/binutils/opcodes/sh-dis.c
+++ b/contrib/binutils/opcodes/sh-dis.c
@@ -1,5 +1,5 @@
/* Disassemble SH instructions.
- Copyright (C) 1993, 1995 Free Software Foundation, Inc.
+ 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
@@ -25,28 +25,26 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#define LITTLE_BIT 2
static int
-print_insn_shx(memaddr, info)
+print_insn_shx (memaddr, info)
bfd_vma memaddr;
struct disassemble_info *info;
{
- fprintf_ftype fprintf = info->fprintf_func;
+ fprintf_ftype fprintf_fn = info->fprintf_func;
void *stream = info->stream;
- unsigned char insn[2];
- unsigned char nibs[4];
+ unsigned char insn[2];
+ unsigned char nibs[4];
int status;
- int relmask = ~0;
+ bfd_vma relmask = ~ (bfd_vma) 0;
sh_opcode_info *op;
-
- status = info->read_memory_func(memaddr, insn, 2, info);
+
+ status = info->read_memory_func (memaddr, insn, 2, info);
if (status != 0)
{
- info->memory_error_func(status, memaddr, info);
+ info->memory_error_func (status, memaddr, info);
return -1;
}
-
-
if (info->flags & LITTLE_BIT)
{
nibs[0] = (insn[1] >> 4) & 0xf;
@@ -67,196 +65,245 @@ print_insn_shx(memaddr, info)
for (op = sh_table; op->name; op++)
{
int n;
- int imm;
- int rn;
- int rm;
- int rb;
-
- 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;
+ int imm = 0;
+ int rn = 0;
+ int rm = 0;
+ int rb = 0;
+ int disp_pc;
+ bfd_vma disp_pc_addr = 0;
-
- case IMM_8:
- imm = (nibs[2] << 4) | nibs[3];
- goto ok;
- case PCRELIMM_8BY2:
- imm = ((nibs[2] << 4) | nibs[3]) <<1;
- relmask = ~1;
-
- goto ok;
+ for (n = 0; n < 4; n++)
+ {
+ int i = op->nibbles[n];
- case PCRELIMM_8BY4:
- imm = ((nibs[2] << 4) | nibs[3]) <<2;
- relmask = ~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_B:
- rb = nibs[n] & 0x07;
- break;
- default:
- abort();
- }
+ 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;
+ default:
+ abort();
+ }
+ }
- }
ok:
- fprintf(stream,"%s\t", op->name);
+ 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(stream,",");
+ fprintf_fn (stream, ",");
switch (op->arg[n])
{
case A_IMM:
- fprintf(stream,"#%d", (char)(imm));
+ fprintf_fn (stream, "#%d", (char)(imm));
break;
case A_R0:
- fprintf(stream,"r0");
+ fprintf_fn (stream, "r0");
break;
case A_REG_N:
- fprintf(stream,"r%d", rn);
+ fprintf_fn (stream, "r%d", rn);
break;
case A_INC_N:
- fprintf(stream,"@r%d+", rn);
+ fprintf_fn (stream, "@r%d+", rn);
break;
case A_DEC_N:
- fprintf(stream,"@-r%d", rn);
+ fprintf_fn (stream, "@-r%d", rn);
break;
case A_IND_N:
- fprintf(stream,"@r%d", rn);
+ fprintf_fn (stream, "@r%d", rn);
break;
case A_DISP_REG_N:
- fprintf(stream,"@(%d,r%d)",imm, rn);
+ fprintf_fn (stream, "@(%d,r%d)", imm, rn);
break;
case A_REG_M:
- fprintf(stream,"r%d", rm);
+ fprintf_fn (stream, "r%d", rm);
break;
case A_INC_M:
- fprintf(stream,"@r%d+", rm);
+ fprintf_fn (stream, "@r%d+", rm);
break;
case A_DEC_M:
- fprintf(stream,"@-r%d", rm);
+ fprintf_fn (stream, "@-r%d", rm);
break;
case A_IND_M:
- fprintf(stream,"@r%d", rm);
+ fprintf_fn (stream, "@r%d", rm);
break;
case A_DISP_REG_M:
- fprintf(stream,"@(%d,r%d)",imm, rm);
+ fprintf_fn (stream, "@(%d,r%d)", imm, rm);
break;
- case A_REG_B:
- fprintf(stream,"r%d_bank", rb);
+ case A_REG_B:
+ fprintf_fn (stream, "r%d_bank", rb);
break;
case A_DISP_PC:
- fprintf(stream,"0x%0x", imm+ 4+(memaddr&relmask));
+ 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(stream,"@(r0,r%d)", rn);
+ fprintf_fn (stream, "@(r0,r%d)", rn);
break;
case A_IND_R0_REG_M:
- fprintf(stream,"@(r0,r%d)", rm);
+ fprintf_fn (stream, "@(r0,r%d)", rm);
break;
case A_DISP_GBR:
- fprintf(stream,"@(%d,gbr)",imm);
+ fprintf_fn (stream, "@(%d,gbr)",imm);
break;
case A_R0_GBR:
- fprintf(stream,"@(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(stream,"sr");
+ fprintf_fn (stream, "sr");
break;
case A_GBR:
- fprintf(stream,"gbr");
+ fprintf_fn (stream, "gbr");
break;
case A_VBR:
- fprintf(stream,"vbr");
+ fprintf_fn (stream, "vbr");
break;
case A_SSR:
- fprintf(stream,"ssr");
+ fprintf_fn (stream, "ssr");
break;
case A_SPC:
- fprintf(stream,"spc");
+ fprintf_fn (stream, "spc");
break;
case A_MACH:
- fprintf(stream,"mach");
+ fprintf_fn (stream, "mach");
break;
case A_MACL:
- fprintf(stream,"macl");
+ fprintf_fn (stream ,"macl");
break;
case A_PR:
- fprintf(stream,"pr");
+ fprintf_fn (stream, "pr");
+ break;
+ case A_SGR:
+ fprintf_fn (stream, "sgr");
+ break;
+ case A_DBR:
+ fprintf_fn (stream, "dbr");
break;
+ case FD_REG_N:
+ if (0)
+ goto d_reg_n;
case F_REG_N:
- fprintf(stream,"fr%d", rn);
+ fprintf_fn (stream, "fr%d", rn);
break;
case F_REG_M:
- fprintf(stream,"fr%d", rm);
+ 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(stream,"fpscr");
+ fprintf_fn (stream, "fpscr");
break;
case FPUL_M:
case FPUL_N:
- fprintf(stream,"fpul");
+ fprintf_fn (stream, "fpul");
break;
case F_FR0:
- fprintf(stream,"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'
@@ -266,40 +313,75 @@ print_insn_shx(memaddr, info)
|| (op->name[0] == 'b' && op->name[2] == '.')))
{
info->flags |= 1;
- fprintf(stream,"\t(slot "); print_insn_shx(memaddr +2, info);
+ fprintf_fn (stream, "\t(slot ");
+ print_insn_shx (memaddr + 2, info);
info->flags &= ~1;
- fprintf(stream,")");
+ 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(stream,".word 0x%x%x%x%x", nibs[0], nibs[1], nibs[2], nibs[3]);
+ 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)
+print_insn_shl (memaddr, info)
bfd_vma memaddr;
struct disassemble_info *info;
{
int r;
+
info->flags = LITTLE_BIT;
- r =print_insn_shx (memaddr, info);
+ r = print_insn_shx (memaddr, info);
return r;
}
int
-print_insn_sh(memaddr, info)
+print_insn_sh (memaddr, info)
bfd_vma memaddr;
struct disassemble_info *info;
{
int r;
+
info->flags = 0;
- r =print_insn_shx (memaddr, info);
+ r = print_insn_shx (memaddr, info);
return r;
}
OpenPOWER on IntegriCloud