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-rw-r--r--opcodes/ChangeLog6
-rw-r--r--opcodes/pdp11-dis.c32
2 files changed, 26 insertions, 12 deletions
diff --git a/opcodes/ChangeLog b/opcodes/ChangeLog
index 156ea1b..ec8f120 100644
--- a/opcodes/ChangeLog
+++ b/opcodes/ChangeLog
@@ -1,3 +1,9 @@
+2001-11-23 Lars Brinkhoff <lars@nocrew.org>
+
+ * pdp11-dis.c (print_insn_pdp11): Handle illegal instructions.
+ Also, break out of the loop as soon as an instruction has been
+ printed.
+
2001-11-17 matthew green <mrg@redhat.com>
* ppc-opc.c (mfvrsave, mtvrsave): New instructions.
diff --git a/opcodes/pdp11-dis.c b/opcodes/pdp11-dis.c
index 3c75c48..850248e 100644
--- a/opcodes/pdp11-dis.c
+++ b/opcodes/pdp11-dis.c
@@ -216,12 +216,12 @@ print_insn_pdp11 (memaddr, info)
{
case PDP11_OPCODE_NO_OPS:
FPRINTF (F, OP.name);
- break;
+ goto done;
case PDP11_OPCODE_REG:
FPRINTF (F, OP.name);
FPRINTF (F, AFTER_INSTRUCTION);
print_reg (dst, info);
- break;
+ goto done;
case PDP11_OPCODE_OP:
FPRINTF (F, OP.name);
FPRINTF (F, AFTER_INSTRUCTION);
@@ -229,7 +229,7 @@ print_insn_pdp11 (memaddr, info)
dst |= JUMP;
if (print_operand (&memaddr, dst, info) < 0)
return -1;
- break;
+ goto done;
case PDP11_OPCODE_REG_OP:
FPRINTF (F, OP.name);
FPRINTF (F, AFTER_INSTRUCTION);
@@ -239,7 +239,7 @@ print_insn_pdp11 (memaddr, info)
dst |= JUMP;
if (print_operand (&memaddr, dst, info) < 0)
return -1;
- break;
+ goto done;
case PDP11_OPCODE_REG_OP_REV:
FPRINTF (F, OP.name);
FPRINTF (F, AFTER_INSTRUCTION);
@@ -247,7 +247,7 @@ print_insn_pdp11 (memaddr, info)
return -1;
FPRINTF (F, OPERAND_SEPARATOR);
print_reg (src, info);
- break;
+ goto done;
case PDP11_OPCODE_AC_OP:
{
int ac = (opcode & 0xe0) >> 6;
@@ -257,7 +257,7 @@ print_insn_pdp11 (memaddr, info)
FPRINTF (F, OPERAND_SEPARATOR);
if (print_operand (&memaddr, dst, info) < 0)
return -1;
- break;
+ goto done;
}
case PDP11_OPCODE_OP_OP:
FPRINTF (F, OP.name);
@@ -267,7 +267,7 @@ print_insn_pdp11 (memaddr, info)
FPRINTF (F, OPERAND_SEPARATOR);
if (print_operand (&memaddr, dst, info) < 0)
return -1;
- break;
+ goto done;
case PDP11_OPCODE_DISPL:
{
int displ = (opcode & 0xff) << 8;
@@ -275,7 +275,7 @@ print_insn_pdp11 (memaddr, info)
FPRINTF (F, OP.name);
FPRINTF (F, AFTER_INSTRUCTION);
(*info->print_address_func) (address, info);
- break;
+ goto done;
}
case PDP11_OPCODE_REG_DISPL:
{
@@ -286,7 +286,7 @@ print_insn_pdp11 (memaddr, info)
print_reg (src, info);
FPRINTF (F, OPERAND_SEPARATOR);
(*info->print_address_func) (address, info);
- break;
+ goto done;
}
case PDP11_OPCODE_IMM8:
{
@@ -294,7 +294,7 @@ print_insn_pdp11 (memaddr, info)
FPRINTF (F, OP.name);
FPRINTF (F, AFTER_INSTRUCTION);
FPRINTF (F, "%o", code);
- break;
+ goto done;
}
case PDP11_OPCODE_IMM6:
{
@@ -302,7 +302,7 @@ print_insn_pdp11 (memaddr, info)
FPRINTF (F, OP.name);
FPRINTF (F, AFTER_INSTRUCTION);
FPRINTF (F, "%o", code);
- break;
+ goto done;
}
case PDP11_OPCODE_IMM3:
{
@@ -310,7 +310,14 @@ print_insn_pdp11 (memaddr, info)
FPRINTF (F, OP.name);
FPRINTF (F, AFTER_INSTRUCTION);
FPRINTF (F, "%o", code);
- break;
+ goto done;
+ }
+ case PDP11_OPCODE_ILLEGAL:
+ {
+ FPRINTF (F, ".word");
+ FPRINTF (F, AFTER_INSTRUCTION);
+ FPRINTF (F, "%o", opcode);
+ goto done;
}
default:
/* TODO: is this a proper way of signalling an error? */
@@ -319,6 +326,7 @@ print_insn_pdp11 (memaddr, info)
}
#undef OP
}
+ done:
return memaddr - start_memaddr;
}