/* Print Motorola 68k instructions.
Copyright 1986, 1987, 1989, 1991, 1992, 1993, 1994, 1995, 1996, 1997,
- 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
+ 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
Free Software Foundation, Inc.
This file is part of the GNU opcodes library.
do \
{ \
p += 2; \
- if (FETCH_DATA (info, p) < 0) \
+ if (!FETCH_DATA (info, p)) \
return -3; \
val = COERCE_SIGNED_CHAR (p[-1]); \
} \
do \
{ \
p += 2; \
- if (FETCH_DATA (info, p) < 0) \
+ if (!FETCH_DATA (info, p)) \
return ret_val; \
val = COERCE16 ((p[-2] << 8) + p[-1]); \
} \
do \
{ \
p += 4; \
- if (FETCH_DATA (info, p) < 0) \
+ if (!FETCH_DATA (info, p)) \
return ret_val; \
val = COERCE32 ((((((p[-4] << 8) + p[-3]) << 8) + p[-2]) << 8) + p[-1]); \
} \
do \
{ \
p += 4; \
- if (FETCH_DATA (info, p) < 0) \
+ if (!FETCH_DATA (info, p)) \
return -3; \
val = (unsigned int) ((((((p[-4] << 8) + p[-3]) << 8) + p[-2]) << 8) + p[-1]); \
} \
do \
{ \
p += 4; \
- if (FETCH_DATA (info, p) < 0) \
+ if (!FETCH_DATA (info, p)) \
return -3; \
floatformat_to_double (& floatformat_ieee_single_big, \
(char *) p - 4, & val); \
do \
{ \
p += 8; \
- if (FETCH_DATA (info, p) , 0) \
+ if (!FETCH_DATA (info, p)) \
return -3; \
floatformat_to_double (& floatformat_ieee_double_big, \
(char *) p - 8, & val); \
do \
{ \
p += 12; \
- if (FETCH_DATA (info, p) < 0) \
+ if (!FETCH_DATA (info, p)) \
return -3; \
floatformat_to_double (& floatformat_m68881_ext, \
(char *) p - 12, & val); \
do \
{ \
p += 12; \
- if (FETCH_DATA (info, p) < 0) \
+ if (!FETCH_DATA (info, p)) \
return -3; \
val = 0.0; \
} \
bfd_vma insn_start;
};
-static fprintf_ftype save_printer;
-static void (* save_print_address) (bfd_vma, struct disassemble_info *);
-
/* Make sure that bytes from INFO->PRIVATE_DATA->BUFFER (inclusive)
to ADDR (exclusive) are valid. Returns 1 for success, 0 on error. */
#define FETCH_DATA(info, addr) \
if (status != 0)
{
(*info->memory_error_func) (status, start, info);
- info->fprintf_func = save_printer;
- info->print_address_func = save_print_address;
return 0;
}
else
case 'J':
{
/* FIXME: There's a problem here, different m68k processors call the
- same address different names. This table can't get it right
- because it doesn't know which processor it's disassembling for. */
- static const struct { char *name; int value; } names[]
- = {{"%sfc", 0x000}, {"%dfc", 0x001}, {"%cacr", 0x002},
- {"%tc", 0x003}, {"%itt0",0x004}, {"%itt1", 0x005},
- {"%dtt0",0x006}, {"%dtt1",0x007}, {"%buscr",0x008},
- {"%usp", 0x800}, {"%vbr", 0x801}, {"%caar", 0x802},
- {"%msp", 0x803}, {"%isp", 0x804},
- /* reg c04 is sometimes called flashbar or rambar.
- rec c05 is also sometimes called rambar. */
- {"%rambar0", 0xc04}, {"%rambar1", 0xc05},
-
- /* Should we be calling this psr like we do in case 'Y'? */
- {"%mmusr",0x805},
-
- {"%urp", 0x806}, {"%srp", 0x807}, {"%pcr", 0x808},
-
- /* Fido added these. */
- {"%cac", 0xffe}, {"%mbo", 0xfff}};
+ same address different names. The tables below try to get it right
+ using info->mach, but only for v4e. */
+ struct regname { char * name; int value; };
+ static const struct regname names[] =
+ {
+ {"%sfc", 0x000}, {"%dfc", 0x001}, {"%cacr", 0x002},
+ {"%tc", 0x003}, {"%itt0",0x004}, {"%itt1", 0x005},
+ {"%dtt0",0x006}, {"%dtt1",0x007}, {"%buscr",0x008},
+ {"%rgpiobar", 0x009}, {"%acr4",0x00c},
+ {"%acr5",0x00d}, {"%acr6",0x00e}, {"%acr7", 0x00f},
+ {"%usp", 0x800}, {"%vbr", 0x801}, {"%caar", 0x802},
+ {"%msp", 0x803}, {"%isp", 0x804},
+ {"%pc", 0x80f},
+ /* Reg c04 is sometimes called flashbar or rambar.
+ Reg c05 is also sometimes called rambar. */
+ {"%rambar0", 0xc04}, {"%rambar1", 0xc05},
+
+ /* reg c0e is sometimes called mbar2 or secmbar.
+ reg c0f is sometimes called mbar. */
+ {"%mbar0", 0xc0e}, {"%mbar1", 0xc0f},
+
+ /* Should we be calling this psr like we do in case 'Y'? */
+ {"%mmusr",0x805},
+
+ {"%urp", 0x806}, {"%srp", 0x807}, {"%pcr", 0x808},
+
+ /* Fido added these. */
+ {"%cac", 0xffe}, {"%mbo", 0xfff}
+ };
+ /* Alternate names for v4e (MCF5407/5445x/MCF547x/MCF548x), at least. */
+ static const struct regname names_v4e[] =
+ {
+ {"%asid",0x003}, {"%acr0",0x004}, {"%acr1",0x005},
+ {"%acr2",0x006}, {"%acr3",0x007}, {"%mmubar",0x008},
+ };
+ unsigned int arch_mask;
+ arch_mask = bfd_m68k_mach_to_features (info->mach);
FETCH_ARG (12, val);
- for (regno = sizeof names / sizeof names[0] - 1; regno >= 0; regno--)
+ if (arch_mask & (mcfisa_b | mcfisa_c))
+ {
+ for (regno = ARRAY_SIZE (names_v4e); --regno >= 0;)
+ if (names_v4e[regno].value == val)
+ {
+ (*info->fprintf_func) (info->stream, "%s", names_v4e[regno].name);
+ break;
+ }
+ if (regno >= 0)
+ break;
+ }
+ for (regno = ARRAY_SIZE (names) - 1; regno >= 0; regno--)
if (names[regno].value == val)
{
(*info->fprintf_func) (info->stream, "%s", names[regno].name);
break;
}
if (regno < 0)
- (*info->fprintf_func) (info->stream, "%d", val);
+ (*info->fprintf_func) (info->stream, "0x%x", val);
}
break;
if (eaten >= 0)
p += eaten;
- else if (eaten == -1)
+ else if (eaten == -1 || eaten == -3)
{
info->fprintf_func = save_printer;
info->print_address_func = save_print_address;
return 0;
}
- else if (eaten == -3)
- return 0;
else
{
/* We must restore the print functions before trying to print the
int
print_insn_m68k (bfd_vma memaddr, disassemble_info *info)
{
- fprintf_ftype save_printer;
- void (* save_print_address) (bfd_vma, struct disassemble_info *);
unsigned int arch_mask;
struct private priv;
int val;
bfd_byte *buffer = priv.the_buffer;
- /* Save these printing functions in case we need to restore them
- later. */
- save_printer = info->fprintf_func;
- save_print_address = info->print_address_func;
-
info->private_data = & priv;
/* Tell objdump to use two bytes per chunk
and six bytes per line for displaying raw data. */
/* Handle undefined instructions. */
info->fprintf_func (info->stream, "0%o", (buffer[0] << 8) + buffer[1]);
- /* Restore print functions. */
- info->fprintf_func = save_printer;
- info->print_address_func = save_print_address;
-
return val ? val : 2;
}
projects / thirdparty / binutils-gdb.git / blobdiff