/* Disassemble AVR instructions.
- Copyright 1999, 2000, 2002, 2004, 2005, 2006, 2007
- Free Software Foundation, Inc.
+ Copyright (C) 1999-2015 Free Software Foundation, Inc.
Contributed by Denis Chertykov <denisc@overta.ru>
Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
MA 02110-1301, USA. */
-#include <assert.h>
#include "sysdep.h"
+#include <assert.h>
#include "dis-asm.h"
#include "opintl.h"
#include "libiberty.h"
static int
avr_operand (unsigned int insn, unsigned int insn2, unsigned int pc, int constraint,
- char *buf, char *comment, int regs, int *sym, bfd_vma *sym_addr)
+ char *opcode_str, char *buf, char *comment, int regs, int *sym, bfd_vma *sym_addr)
{
int ok = 1;
*sym = 0;
case 0x100e: xyz = "-X"; break;
default: xyz = "??"; ok = 0;
}
- sprintf (buf, xyz);
+ strcpy (buf, xyz);
if (AVR_UNDEF_P (insn))
sprintf (comment, _("undefined"));
case 'z':
*buf++ = 'Z';
- if (insn & 0x1)
- *buf++ = '+';
+
+ /* Check for post-increment. */
+ char *s;
+ for (s = opcode_str; *s; ++s)
+ {
+ if (*s == '+')
+ {
+ if (insn & (1 << (15 - (s - opcode_str))))
+ *buf++ = '+';
+ break;
+ }
+ }
+
*buf = '\0';
if (AVR_UNDEF_P (insn))
sprintf (comment, _("undefined"));
value of the address only once, but this would mean recoding
objdump_print_address() which would affect many targets. */
sprintf (buf, "%#lx", (unsigned long) *sym_addr);
- sprintf (comment, comment_start);
+ strcpy (comment, comment_start);
break;
case 'L':
sprintf (buf, ".%+-8d", rel_addr);
*sym = 1;
*sym_addr = pc + 2 + rel_addr;
- sprintf (comment, comment_start);
+ strcpy (comment, comment_start);
}
break;
sprintf (buf, ".%+-8d", rel_addr);
*sym = 1;
*sym_addr = pc + 2 + rel_addr;
- sprintf (comment, comment_start);
+ strcpy (comment, comment_start);
}
break;
case 'i':
sprintf (buf, "0x%04X", insn2);
break;
+
+ case 'j':
+ {
+ unsigned int val = ((insn & 0xf) | ((insn & 0x600) >> 5)
+ | ((insn & 0x100) >> 2));
+ if (val > 0 && !(insn & 0x100))
+ val |= 0x80;
+ sprintf (buf, "0x%02x", val);
+ sprintf (buf, "%d", val);
+ }
+ break;
case 'M':
sprintf (buf, "0x%02X", ((insn & 0xf00) >> 4) | (insn & 0xf));
}
break;
+ case 'E':
+ sprintf (buf, "%d", (insn >> 4) & 15);
+ break;
+
case '?':
*buf = '\0';
break;
for (opcode = avr_opcodes, maskptr = avr_bin_masks;
opcode->name;
opcode++, maskptr++)
- if ((insn & *maskptr) == opcode->bin_opcode)
- break;
+ {
+ if ((opcode->isa == AVR_ISA_TINY) && (info->mach != bfd_mach_avrtiny))
+ continue;
+ if ((insn & *maskptr) == opcode->bin_opcode)
+ break;
+ }
/* Special case: disassemble `ldd r,b+0' as `ld r,b', and
`std b+0,r' as `st b,r' (next entry in the table). */
if (opcode->name)
{
- char *op = opcode->constraints;
+ char *constraints = opcode->constraints;
+ char *opcode_str = opcode->opcode;
insn2 = 0;
ok = 1;
cmd_len = 4;
}
- if (*op && *op != '?')
+ if (*constraints && *constraints != '?')
{
- int regs = REGISTER_P (*op);
+ int regs = REGISTER_P (*constraints);
- ok = avr_operand (insn, insn2, addr, *op, op1, comment1, 0, &sym_op1, &sym_addr1);
+ ok = avr_operand (insn, insn2, addr, *constraints, opcode_str, op1, comment1, 0, &sym_op1, &sym_addr1);
- if (ok && *(++op) == ',')
- ok = avr_operand (insn, insn2, addr, *(++op), op2,
+ if (ok && *(++constraints) == ',')
+ ok = avr_operand (insn, insn2, addr, *(++constraints), opcode_str, op2,
*comment1 ? comment2 : comment1, regs, &sym_op2, &sym_addr2);
}
}