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-rw-r--r--ChangeLog.csl15
-rw-r--r--include/opcode/m68k.h1
-rw-r--r--opcodes/m68k-dis.c88
-rw-r--r--opcodes/m68k-opc.c16
4 files changed, 83 insertions, 37 deletions
diff --git a/ChangeLog.csl b/ChangeLog.csl
index b0760b8..0eafd8f 100644
--- a/ChangeLog.csl
+++ b/ChangeLog.csl
@@ -1,3 +1,18 @@
+2006-05-08 Richard Sandiford <richard@codesourcery.com>
+
+ include/opcodes/
+ * m68k.h (mcf_mask): Define.
+
+ opcodes/
+ * m68k-opc.c (m68k_opcodes): Fix the masks of the Coldfire fmovemd
+ and fmovem entries. Put register list entries before immediate
+ mask entries. Use "l" rather than "L" in the fmovem entries.
+ * m68k-dis.c (match_insn_m68k): Remove the PRIV argument and work it
+ out from INFO.
+ (m68k_scan_mask): New function, split out from...
+ (print_insn_m68k): ...here. If no architecture has been set,
+ first try printing an m680x0 instruction, then try a Coldfire one.
+
2006-05-03 Paul Brook <paul@codesourcery.com>
Daniel Jacobowitz <dan@codesourcery.com>
diff --git a/include/opcode/m68k.h b/include/opcode/m68k.h
index 0d21658..5ff3891 100644
--- a/include/opcode/m68k.h
+++ b/include/opcode/m68k.h
@@ -42,6 +42,7 @@
#define mcfisa_aa 0x4000 /* ColdFire ISA_A+. */
#define mcfisa_b 0x8000 /* ColdFire ISA_B. */
#define mcfusp 0x10000 /* ColdFire USP instructions. */
+#define mcf_mask 0x1f200
/* Handy aliases. */
#define m68040up (m68040 | m68060)
diff --git a/opcodes/m68k-dis.c b/opcodes/m68k-dis.c
index 8fc70152..d115430 100644
--- a/opcodes/m68k-dis.c
+++ b/opcodes/m68k-dis.c
@@ -1204,13 +1204,13 @@ print_insn_arg (const char *d,
static int
match_insn_m68k (bfd_vma memaddr,
disassemble_info * info,
- const struct m68k_opcode * best,
- struct private * priv)
+ const struct m68k_opcode * best)
{
unsigned char *save_p;
unsigned char *p;
const char *d;
+ struct private *priv = (struct private *) info->private_data;
bfd_byte *buffer = priv->the_buffer;
fprintf_ftype save_printer = info->fprintf_func;
void (* save_print_address) (bfd_vma, struct disassemble_info *)
@@ -1341,21 +1341,22 @@ match_insn_m68k (bfd_vma memaddr,
return p - buffer;
}
-/* Print the m68k instruction at address MEMADDR in debugged memory,
- on INFO->STREAM. Returns length of the instruction, in bytes. */
+/* Like print_m68k_insn, but restrict the opcode search to the features
+ specified by ARCH_MASK. */
-int
-print_insn_m68k (bfd_vma memaddr, disassemble_info *info)
+static int
+m68k_scan_mask (bfd_vma memaddr, disassemble_info *info,
+ unsigned int arch_mask)
{
int i;
const char *d;
- unsigned int arch_mask;
- struct private priv;
- bfd_byte *buffer = priv.the_buffer;
- int major_opcode;
- static int numopcodes[16];
static const struct m68k_opcode **opcodes[16];
+ static int numopcodes[16];
int val;
+ int major_opcode;
+
+ struct private *priv = (struct private *) info->private_data;
+ bfd_byte *buffer = priv->the_buffer;
if (!opcodes[0])
{
@@ -1383,23 +1384,6 @@ print_insn_m68k (bfd_vma memaddr, disassemble_info *info)
*opc_pointer[(m68k_opcodes[i].opcode >> 28) & 15]++ = &m68k_opcodes[i];
}
- info->private_data = (PTR) &priv;
- /* Tell objdump to use two bytes per chunk
- and six bytes per line for displaying raw data. */
- info->bytes_per_chunk = 2;
- info->bytes_per_line = 6;
- info->display_endian = BFD_ENDIAN_BIG;
- priv.max_fetched = priv.the_buffer;
- priv.insn_start = memaddr;
-
- if (setjmp (priv.bailout) != 0)
- /* Error return. */
- return -1;
-
- arch_mask = bfd_m68k_mach_to_features (info->mach);
- if (!arch_mask)
- arch_mask = ~(unsigned int)0;
-
FETCH_DATA (info, buffer + 2);
major_opcode = (buffer[0] >> 4) & 15;
@@ -1465,10 +1449,56 @@ print_insn_m68k (bfd_vma memaddr, disassemble_info *info)
}
if (*d == '\0')
- if ((val = match_insn_m68k (memaddr, info, opc, & priv)))
+ if ((val = match_insn_m68k (memaddr, info, opc)))
return val;
}
}
+}
+
+/* Print the m68k instruction at address MEMADDR in debugged memory,
+ on INFO->STREAM. Returns length of the instruction, in bytes. */
+
+int
+print_insn_m68k (bfd_vma memaddr, disassemble_info *info)
+{
+ unsigned int arch_mask;
+ struct private priv;
+ int val;
+
+ bfd_byte *buffer = priv.the_buffer;
+
+ info->private_data = (PTR) &priv;
+ /* Tell objdump to use two bytes per chunk
+ and six bytes per line for displaying raw data. */
+ info->bytes_per_chunk = 2;
+ info->bytes_per_line = 6;
+ info->display_endian = BFD_ENDIAN_BIG;
+ priv.max_fetched = priv.the_buffer;
+ priv.insn_start = memaddr;
+
+ if (setjmp (priv.bailout) != 0)
+ /* Error return. */
+ return -1;
+
+ arch_mask = bfd_m68k_mach_to_features (info->mach);
+ if (!arch_mask)
+ {
+ /* First try printing an m680x0 instruction. Try printing a Coldfire
+ one if that fails. */
+ val = m68k_scan_mask (memaddr, info, m68k_mask);
+ if (val)
+ return val;
+
+ val = m68k_scan_mask (memaddr, info, mcf_mask);
+ if (val)
+ return val;
+ }
+ else
+ {
+ val = m68k_scan_mask (memaddr, info, arch_mask);
+ if (val)
+ return val;
+ }
/* Handle undefined instructions. */
info->fprintf_func (info->stream, "0%o", (buffer[0] << 8) + buffer[1]);
diff --git a/opcodes/m68k-opc.c b/opcodes/m68k-opc.c
index af4effb..867bbe1 100644
--- a/opcodes/m68k-opc.c
+++ b/opcodes/m68k-opc.c
@@ -913,10 +913,10 @@ const struct m68k_opcode m68k_opcodes[] =
{"fmovecrx", 4, two(0xF000, 0x5C00), two(0xF1FF, 0xFC00), "Ii#CF7", mfloat },
-{"fmovemd", 4, two(0xF000, 0xD000), two(0xFFC0, 0xFF00), "Iizsl3", cfloat },
-{"fmovemd", 4, two(0xF000, 0xD000), two(0xFFC0, 0xFF00), "Iizs#3", cfloat },
-{"fmovemd", 4, two(0xF000, 0xF000), two(0xFFC0, 0xFF00), "Ii#3ys", cfloat },
-{"fmovemd", 4, two(0xF000, 0xF000), two(0xFFC0, 0xFF00), "Iil3ys", cfloat },
+{"fmovemd", 4, two(0xF000, 0xD000), two(0xF1C0, 0xFF00), "Iizsl3", cfloat },
+{"fmovemd", 4, two(0xF000, 0xD000), two(0xF1C0, 0xFF00), "Iizs#3", cfloat },
+{"fmovemd", 4, two(0xF000, 0xF000), two(0xF1C0, 0xFF00), "Iil3ys", cfloat },
+{"fmovemd", 4, two(0xF000, 0xF000), two(0xF1C0, 0xFF00), "Ii#3ys", cfloat },
{"fmovemx", 4, two(0xF000, 0xF800), two(0xF1C0, 0xFF8F), "IiDk&s", mfloat },
{"fmovemx", 4, two(0xF020, 0xE800), two(0xF1F8, 0xFF8F), "IiDk-s", mfloat },
@@ -938,10 +938,10 @@ const struct m68k_opcode m68k_opcodes[] =
target is a single %fpiar. */
{"fmoveml", 4, two(0xF000, 0x8000), two(0xF1C0, 0xE3FF), "Ii*lL8", mfloat },
-{"fmovem", 4, two(0xF000, 0xD000), two(0xFFC0, 0xFF00), "IizsL3", cfloat },
-{"fmovem", 4, two(0xF000, 0xD000), two(0xFFC0, 0xFF00), "Iizs#3", cfloat },
-{"fmovem", 4, two(0xF000, 0xF000), two(0xFFC0, 0xFF00), "Ii#3ys", cfloat },
-{"fmovem", 4, two(0xF000, 0xF000), two(0xFFC0, 0xFF00), "IiL3ys", cfloat },
+{"fmovem", 4, two(0xF000, 0xD000), two(0xF1C0, 0xFF00), "Iizsl3", cfloat },
+{"fmovem", 4, two(0xF000, 0xD000), two(0xF1C0, 0xFF00), "Iizs#3", cfloat },
+{"fmovem", 4, two(0xF000, 0xF000), two(0xF1C0, 0xFF00), "Iil3ys", cfloat },
+{"fmovem", 4, two(0xF000, 0xF000), two(0xF1C0, 0xFF00), "Ii#3ys", cfloat },
{"fmovem", 4, two(0xF020, 0xE000), two(0xF1F8, 0xFF00), "IdL3-s", mfloat },
{"fmovem", 4, two(0xF000, 0xF000), two(0xF1C0, 0xFF00), "Idl3&s", mfloat },
generated by cgit v1.1 at 2024-11-03 16:17:40 +0000