/* ppc-dis.c -- Disassemble PowerPC instructions
- Copyright (C) 1994-2016 Free Software Foundation, Inc.
+ Copyright (C) 1994-2017 Free Software Foundation, Inc.
Written by Ian Lance Taylor, Cygnus Support
This file is part of the GNU opcodes library.
#include "sysdep.h"
#include <stdio.h>
-#include "dis-asm.h"
+#include "disassemble.h"
#include "elf-bfd.h"
#include "elf/ppc.h"
#include "opintl.h"
#include "opcode/ppc.h"
+#include "libiberty.h"
/* This file provides several disassembler functions, all of which use
the disassembler interface defined in dis-asm.h. Several functions
(((struct dis_private *) ((INFO)->private_data))->dialect)
struct ppc_mopt {
+ /* Option string, without -m or -M prefix. */
const char *opt;
+ /* CPU option flags. */
ppc_cpu_t cpu;
+ /* Flags that should stay on, even when combined with another cpu
+ option. This should only be used for generic options like
+ "-many" or "-maltivec" where it is reasonable to add some
+ capability to another cpu selection. The added flags are sticky
+ so that, for example, "-many -me500" and "-me500 -many" result in
+ the same assembler or disassembler behaviour. Do not use
+ "sticky" for specific cpus, as this will prevent that cpu's flags
+ from overriding the defaults set in powerpc_init_dialect or a
+ prior -m option. */
ppc_cpu_t sticky;
};
{ "464", (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE | PPC_OPCODE_440
| PPC_OPCODE_ISEL | PPC_OPCODE_RFMCI),
0 },
- { "476", (PPC_OPCODE_PPC | PPC_OPCODE_ISEL | PPC_OPCODE_440
- | PPC_OPCODE_476 | PPC_OPCODE_POWER4 | PPC_OPCODE_POWER5),
+ { "476", (PPC_OPCODE_PPC | PPC_OPCODE_ISEL | PPC_OPCODE_476
+ | PPC_OPCODE_POWER4 | PPC_OPCODE_POWER5),
0 },
{ "601", PPC_OPCODE_PPC | PPC_OPCODE_601,
0 },
| PPC_OPCODE_A2),
0 },
{ "altivec", PPC_OPCODE_PPC,
- PPC_OPCODE_ALTIVEC | PPC_OPCODE_ALTIVEC2 },
- { "any", 0,
+ PPC_OPCODE_ALTIVEC },
+ { "any", PPC_OPCODE_PPC,
PPC_OPCODE_ANY },
{ "booke", PPC_OPCODE_PPC | PPC_OPCODE_BOOKE,
0 },
{ "e200z4", (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE| PPC_OPCODE_SPE
| PPC_OPCODE_ISEL | PPC_OPCODE_EFS | PPC_OPCODE_BRLOCK
| PPC_OPCODE_PMR | PPC_OPCODE_CACHELCK | PPC_OPCODE_RFMCI
- | PPC_OPCODE_E500 | PPC_OPCODE_E200Z4),
- PPC_OPCODE_VLE },
+ | PPC_OPCODE_E500 | PPC_OPCODE_VLE | PPC_OPCODE_E200Z4
+ | PPC_OPCODE_EFS2 | PPC_OPCODE_LSP),
+ 0 },
{ "e300", PPC_OPCODE_PPC | PPC_OPCODE_E300,
0 },
{ "e500", (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE | PPC_OPCODE_SPE
{ "e5500", (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE | PPC_OPCODE_ISEL
| PPC_OPCODE_PMR | PPC_OPCODE_CACHELCK | PPC_OPCODE_RFMCI
| PPC_OPCODE_E500MC | PPC_OPCODE_64 | PPC_OPCODE_POWER4
- | PPC_OPCODE_POWER5 | PPC_OPCODE_POWER6
- | PPC_OPCODE_POWER7),
+ | PPC_OPCODE_POWER5 | PPC_OPCODE_POWER6 | PPC_OPCODE_POWER7),
0 },
{ "e6500", (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE | PPC_OPCODE_ISEL
| PPC_OPCODE_PMR | PPC_OPCODE_CACHELCK | PPC_OPCODE_RFMCI
| PPC_OPCODE_E500MC | PPC_OPCODE_64 | PPC_OPCODE_ALTIVEC
- | PPC_OPCODE_ALTIVEC2 | PPC_OPCODE_E6500 | PPC_OPCODE_POWER4
+ | PPC_OPCODE_E6500 | PPC_OPCODE_TMR | PPC_OPCODE_POWER4
| PPC_OPCODE_POWER5 | PPC_OPCODE_POWER6 | PPC_OPCODE_POWER7),
0 },
{ "e500x2", (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE | PPC_OPCODE_SPE
0 },
{ "efs", PPC_OPCODE_PPC | PPC_OPCODE_EFS,
0 },
+ { "efs2", PPC_OPCODE_PPC | PPC_OPCODE_EFS | PPC_OPCODE_EFS2,
+ 0 },
{ "power4", PPC_OPCODE_PPC | PPC_OPCODE_64 | PPC_OPCODE_POWER4,
0 },
{ "power5", (PPC_OPCODE_PPC | PPC_OPCODE_64 | PPC_OPCODE_POWER4
0 },
{ "power8", (PPC_OPCODE_PPC | PPC_OPCODE_ISEL | PPC_OPCODE_64
| PPC_OPCODE_POWER4 | PPC_OPCODE_POWER5 | PPC_OPCODE_POWER6
- | PPC_OPCODE_POWER7 | PPC_OPCODE_POWER8 | PPC_OPCODE_HTM
- | PPC_OPCODE_ALTIVEC | PPC_OPCODE_ALTIVEC2 | PPC_OPCODE_VSX),
+ | PPC_OPCODE_POWER7 | PPC_OPCODE_POWER8
+ | PPC_OPCODE_ALTIVEC | PPC_OPCODE_VSX),
0 },
{ "power9", (PPC_OPCODE_PPC | PPC_OPCODE_ISEL | PPC_OPCODE_64
| PPC_OPCODE_POWER4 | PPC_OPCODE_POWER5 | PPC_OPCODE_POWER6
| PPC_OPCODE_POWER7 | PPC_OPCODE_POWER8 | PPC_OPCODE_POWER9
- | PPC_OPCODE_HTM | PPC_OPCODE_ALTIVEC | PPC_OPCODE_ALTIVEC2
- | PPC_OPCODE_VSX | PPC_OPCODE_VSX3 ),
+ | PPC_OPCODE_ALTIVEC | PPC_OPCODE_VSX),
0 },
{ "ppc", PPC_OPCODE_PPC,
0 },
{ "ppc32", PPC_OPCODE_PPC,
0 },
+ { "32", PPC_OPCODE_PPC,
+ 0 },
{ "ppc64", PPC_OPCODE_PPC | PPC_OPCODE_64,
0 },
+ { "64", PPC_OPCODE_PPC | PPC_OPCODE_64,
+ 0 },
{ "ppc64bridge", PPC_OPCODE_PPC | PPC_OPCODE_64_BRIDGE,
0 },
{ "ppcps", PPC_OPCODE_PPC | PPC_OPCODE_PPCPS,
0 },
{ "pwr8", (PPC_OPCODE_PPC | PPC_OPCODE_ISEL | PPC_OPCODE_64
| PPC_OPCODE_POWER4 | PPC_OPCODE_POWER5 | PPC_OPCODE_POWER6
- | PPC_OPCODE_POWER7 | PPC_OPCODE_POWER8 | PPC_OPCODE_HTM
- | PPC_OPCODE_ALTIVEC | PPC_OPCODE_ALTIVEC2 | PPC_OPCODE_VSX),
+ | PPC_OPCODE_POWER7 | PPC_OPCODE_POWER8
+ | PPC_OPCODE_ALTIVEC | PPC_OPCODE_VSX),
0 },
{ "pwr9", (PPC_OPCODE_PPC | PPC_OPCODE_ISEL | PPC_OPCODE_64
| PPC_OPCODE_POWER4 | PPC_OPCODE_POWER5 | PPC_OPCODE_POWER6
| PPC_OPCODE_POWER7 | PPC_OPCODE_POWER8 | PPC_OPCODE_POWER9
- | PPC_OPCODE_HTM | PPC_OPCODE_ALTIVEC | PPC_OPCODE_ALTIVEC2
- | PPC_OPCODE_VSX | PPC_OPCODE_VSX3 ),
+ | PPC_OPCODE_ALTIVEC | PPC_OPCODE_VSX),
0 },
{ "pwrx", PPC_OPCODE_POWER | PPC_OPCODE_POWER2,
0 },
+ { "raw", PPC_OPCODE_PPC,
+ PPC_OPCODE_RAW },
{ "spe", PPC_OPCODE_PPC | PPC_OPCODE_EFS,
PPC_OPCODE_SPE },
+ { "spe2", PPC_OPCODE_PPC | PPC_OPCODE_EFS | PPC_OPCODE_EFS2 | PPC_OPCODE_SPE,
+ PPC_OPCODE_SPE2 },
{ "titan", (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE | PPC_OPCODE_PMR
| PPC_OPCODE_RFMCI | PPC_OPCODE_TITAN),
0 },
{ "vle", (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE| PPC_OPCODE_SPE
| PPC_OPCODE_ISEL | PPC_OPCODE_EFS | PPC_OPCODE_BRLOCK
| PPC_OPCODE_PMR | PPC_OPCODE_CACHELCK | PPC_OPCODE_RFMCI
- | PPC_OPCODE_E500),
+ | PPC_OPCODE_LSP | PPC_OPCODE_EFS2 | PPC_OPCODE_SPE2),
PPC_OPCODE_VLE },
{ "vsx", PPC_OPCODE_PPC,
- PPC_OPCODE_VSX | PPC_OPCODE_VSX3 },
- { "htm", PPC_OPCODE_PPC,
- PPC_OPCODE_HTM },
+ PPC_OPCODE_VSX },
};
/* Switch between Booke and VLE dialects for interlinked dumps. */
{
unsigned int i;
- for (i = 0; i < sizeof (ppc_opts) / sizeof (ppc_opts[0]); i++)
- if (strcmp (ppc_opts[i].opt, arg) == 0)
+ for (i = 0; i < ARRAY_SIZE (ppc_opts); i++)
+ if (disassembler_options_cmp (ppc_opts[i].opt, arg) == 0)
{
if (ppc_opts[i].sticky)
{
ppc_cpu = ppc_opts[i].cpu;
break;
}
- if (i >= sizeof (ppc_opts) / sizeof (ppc_opts[0]))
+ if (i >= ARRAY_SIZE (ppc_opts))
return 0;
ppc_cpu |= *sticky;
{
ppc_cpu_t dialect = 0;
ppc_cpu_t sticky = 0;
- char *arg;
struct dis_private *priv = calloc (sizeof (*priv), 1);
if (priv == NULL)
break;
default:
dialect = ppc_parse_cpu (dialect, &sticky, "power9") | PPC_OPCODE_ANY;
+ break;
}
- arg = info->disassembler_options;
- while (arg != NULL)
+ const char *opt;
+ FOR_EACH_DISASSEMBLER_OPTION (opt, info->disassembler_options)
{
ppc_cpu_t new_cpu = 0;
- char *end = strchr (arg, ',');
-
- if (end != NULL)
- *end = 0;
- if ((new_cpu = ppc_parse_cpu (dialect, &sticky, arg)) != 0)
- dialect = new_cpu;
- else if (strcmp (arg, "32") == 0)
+ if (disassembler_options_cmp (opt, "32") == 0)
dialect &= ~(ppc_cpu_t) PPC_OPCODE_64;
- else if (strcmp (arg, "64") == 0)
+ else if (disassembler_options_cmp (opt, "64") == 0)
dialect |= PPC_OPCODE_64;
+ else if ((new_cpu = ppc_parse_cpu (dialect, &sticky, opt)) != 0)
+ dialect = new_cpu;
else
- fprintf (stderr, _("warning: ignoring unknown -M%s option\n"), arg);
-
- if (end != NULL)
- *end++ = ',';
- arg = end;
+ fprintf (stderr, _("warning: ignoring unknown -M%s option\n"), opt);
}
info->private_data = priv;
static unsigned short powerpc_opcd_indices[PPC_OPCD_SEGS+1];
#define VLE_OPCD_SEGS 32
static unsigned short vle_opcd_indices[VLE_OPCD_SEGS+1];
+#define SPE2_OPCD_SEGS 13
+static unsigned short spe2_opcd_indices[SPE2_OPCD_SEGS+1];
/* Calculate opcode table indices to speed up disassembly,
and init dialect. */
}
}
+ /* SPE2 opcodes */
+ i = spe2_num_opcodes;
+ while (--i >= 0)
+ {
+ unsigned xop = SPE2_XOP (spe2_opcodes[i].opcode);
+ unsigned seg = SPE2_XOP_TO_SEG (xop);
+
+ spe2_opcd_indices[seg] = i;
+ }
+
+ last = spe2_num_opcodes;
+ for (i = SPE2_OPCD_SEGS; i > 1; --i)
+ {
+ if (spe2_opcd_indices[i] == 0)
+ spe2_opcd_indices[i] = last;
+ last = spe2_opcd_indices[i];
+ }
+
if (info->arch == bfd_arch_powerpc)
powerpc_init_dialect (info);
}
return 1;
}
-/* Find a match for INSN in the opcode table, given machine DIALECT.
- A DIALECT of -1 is special, matching all machine opcode variations. */
+/* Find a match for INSN in the opcode table, given machine DIALECT. */
static const struct powerpc_opcode *
lookup_powerpc (unsigned long insn, ppc_cpu_t dialect)
{
- const struct powerpc_opcode *opcode;
- const struct powerpc_opcode *opcode_end;
+ const struct powerpc_opcode *opcode, *opcode_end, *last;
unsigned long op;
/* Get the major opcode of the instruction. */
/* Find the first match in the opcode table for this major opcode. */
opcode_end = powerpc_opcodes + powerpc_opcd_indices[op + 1];
+ last = NULL;
for (opcode = powerpc_opcodes + powerpc_opcd_indices[op];
opcode < opcode_end;
++opcode)
int invalid;
if ((insn & opcode->mask) != opcode->opcode
- || (dialect != (ppc_cpu_t) -1
+ || ((dialect & PPC_OPCODE_ANY) == 0
&& ((opcode->flags & dialect) == 0
|| (opcode->deprecated & dialect) != 0)))
continue;
if (invalid)
continue;
- return opcode;
+ if ((dialect & PPC_OPCODE_RAW) == 0)
+ return opcode;
+
+ /* The raw machine insn is one that is not a specialization. */
+ if (last == NULL
+ || (last->mask & ~opcode->mask) != 0)
+ last = opcode;
}
- return NULL;
+ return last;
}
/* Find a match for INSN in the VLE opcode table. */
return NULL;
}
+/* Find a match for INSN in the SPE2 opcode table. */
+
+static const struct powerpc_opcode *
+lookup_spe2 (unsigned long insn)
+{
+ const struct powerpc_opcode *opcode, *opcode_end;
+ unsigned op, xop, seg;
+
+ op = PPC_OP (insn);
+ if (op != 0x4)
+ {
+ /* This is not SPE2 insn.
+ * All SPE2 instructions have OP=4 and differs by XOP */
+ return NULL;
+ }
+ xop = SPE2_XOP (insn);
+ seg = SPE2_XOP_TO_SEG (xop);
+
+ /* Find the first match in the opcode table for this major opcode. */
+ opcode_end = spe2_opcodes + spe2_opcd_indices[seg + 1];
+ for (opcode = spe2_opcodes + spe2_opcd_indices[seg];
+ opcode < opcode_end;
+ ++opcode)
+ {
+ unsigned long table_opcd = opcode->opcode;
+ unsigned long table_mask = opcode->mask;
+ unsigned long insn2;
+ const unsigned char *opindex;
+ const struct powerpc_operand *operand;
+ int invalid;
+
+ insn2 = insn;
+ if ((insn2 & table_mask) != table_opcd)
+ continue;
+
+ /* Check validity of operands. */
+ invalid = 0;
+ for (opindex = opcode->operands; *opindex != 0; ++opindex)
+ {
+ operand = powerpc_operands + *opindex;
+ if (operand->extract)
+ (*operand->extract) (insn, (ppc_cpu_t)0, &invalid);
+ }
+ if (invalid)
+ continue;
+
+ return opcode;
+ }
+
+ return NULL;
+}
+
/* Print a PowerPC or POWER instruction. */
static int
if (opcode != NULL)
insn_is_short = PPC_OP_SE_VLE(opcode->mask);
}
+ if (opcode == NULL && (dialect & PPC_OPCODE_SPE2) != 0)
+ opcode = lookup_spe2 (insn);
if (opcode == NULL)
- opcode = lookup_powerpc (insn, dialect);
+ opcode = lookup_powerpc (insn, dialect & ~PPC_OPCODE_ANY);
if (opcode == NULL && (dialect & PPC_OPCODE_ANY) != 0)
- opcode = lookup_powerpc (insn, (ppc_cpu_t) -1);
+ opcode = lookup_powerpc (insn, dialect);
if (opcode != NULL)
{
return 4;
}
+const disasm_options_t *
+disassembler_options_powerpc (void)
+{
+ static disasm_options_t *opts = NULL;
+
+ if (opts == NULL)
+ {
+ size_t i, num_options = ARRAY_SIZE (ppc_opts);
+ opts = XNEW (disasm_options_t);
+ opts->name = XNEWVEC (const char *, num_options + 1);
+ for (i = 0; i < num_options; i++)
+ opts->name[i] = ppc_opts[i].opt;
+ /* The array we return must be NULL terminated. */
+ opts->name[i] = NULL;
+ opts->description = NULL;
+ }
+
+ return opts;
+}
+
void
print_ppc_disassembler_options (FILE *stream)
{
The following PPC specific disassembler options are supported for use with\n\
the -M switch:\n"));
- for (col = 0, i = 0; i < sizeof (ppc_opts) / sizeof (ppc_opts[0]); i++)
+ for (col = 0, i = 0; i < ARRAY_SIZE (ppc_opts); i++)
{
col += fprintf (stream, " %s,", ppc_opts[i].opt);
if (col > 66)
col = 0;
}
}
- fprintf (stream, " 32, 64\n");
+ fprintf (stream, "\n");
}
projects / thirdparty / binutils-gdb.git / blobdiff