+struct dis_private
+{
+ /* Stash the result of parsing disassembler_options here. */
+ ppc_cpu_t dialect;
+};
+
+#define POWERPC_DIALECT(INFO) \
+ (((struct dis_private *) ((INFO)->private_data))->dialect)
+
+struct ppc_mopt {
+ const char *opt;
+ ppc_cpu_t cpu;
+ ppc_cpu_t sticky;
+};
+
+struct ppc_mopt ppc_opts[] = {
+ { "403", (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_403
+ | PPC_OPCODE_32),
+ 0 },
+ { "405", (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_403
+ | PPC_OPCODE_405 | PPC_OPCODE_32),
+ 0 },
+ { "440", (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE | PPC_OPCODE_32
+ | PPC_OPCODE_440 | PPC_OPCODE_ISEL | PPC_OPCODE_RFMCI),
+ 0 },
+ { "464", (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE | PPC_OPCODE_32
+ | PPC_OPCODE_440 | PPC_OPCODE_ISEL | PPC_OPCODE_RFMCI),
+ 0 },
+ { "601", (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_601
+ | PPC_OPCODE_32),
+ 0 },
+ { "603", (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_32),
+ 0 },
+ { "604", (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_32),
+ 0 },
+ { "620", (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_64),
+ 0 },
+ { "7400", (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_ALTIVEC
+ | PPC_OPCODE_32),
+ 0 },
+ { "7410", (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_ALTIVEC
+ | PPC_OPCODE_32),
+ 0 },
+ { "7450", (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_ALTIVEC
+ | PPC_OPCODE_32),
+ 0 },
+ { "7455", (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_ALTIVEC
+ | PPC_OPCODE_32),
+ 0 },
+ { "750cl", (PPC_OPCODE_PPC | PPC_OPCODE_PPCPS)
+ , 0 },
+ { "altivec", (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC),
+ PPC_OPCODE_ALTIVEC },
+ { "any", 0,
+ PPC_OPCODE_ANY },
+ { "booke", (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE | PPC_OPCODE_32),
+ 0 },
+ { "booke32", (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE | PPC_OPCODE_32),
+ 0 },
+ { "cell", (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_64
+ | PPC_OPCODE_POWER4 | PPC_OPCODE_CELL | PPC_OPCODE_ALTIVEC),
+ 0 },
+ { "com", (PPC_OPCODE_COMMON | PPC_OPCODE_32),
+ 0 },
+ { "e300", (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_32
+ | PPC_OPCODE_E300),
+ 0 },
+ { "e500", (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_E500MC),
+ 0 },
+ { "e500mc", (PPC_OPCODE_PPC | PPC_OPCODE_BOOKE | PPC_OPCODE_ISEL
+ | PPC_OPCODE_PMR | PPC_OPCODE_CACHELCK | PPC_OPCODE_RFMCI
+ | PPC_OPCODE_E500MC),
+ 0 },
+ { "e500x2", (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_E500MC),
+ 0 },
+ { "efs", (PPC_OPCODE_PPC | PPC_OPCODE_EFS),
+ 0 },
+ { "power4", (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_64
+ | PPC_OPCODE_POWER4),
+ 0 },
+ { "power5", (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_64
+ | PPC_OPCODE_POWER4 | PPC_OPCODE_POWER5),
+ 0 },
+ { "power6", (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_64
+ | PPC_OPCODE_POWER4 | PPC_OPCODE_POWER5 | PPC_OPCODE_POWER6
+ | PPC_OPCODE_ALTIVEC),
+ 0 },
+ { "power7", (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_ISEL
+ | PPC_OPCODE_64 | PPC_OPCODE_POWER4 | PPC_OPCODE_POWER5
+ | PPC_OPCODE_POWER6 | PPC_OPCODE_POWER7 | PPC_OPCODE_ALTIVEC
+ | PPC_OPCODE_VSX),
+ 0 },
+ { "ppc", (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_32),
+ 0 },
+ { "ppc32", (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_32),
+ 0 },
+ { "ppc64", (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_64),
+ 0 },
+ { "ppc64bridge", (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC | PPC_OPCODE_64_BRIDGE
+ | PPC_OPCODE_64),
+ 0 },
+ { "ppcps", (PPC_OPCODE_PPC | PPC_OPCODE_PPCPS),
+ 0 },
+ { "pwr", (PPC_OPCODE_POWER | PPC_OPCODE_32),
+ 0 },
+ { "pwr2", (PPC_OPCODE_POWER | PPC_OPCODE_POWER2 | PPC_OPCODE_32),
+ 0 },
+ { "pwrx", (PPC_OPCODE_POWER | PPC_OPCODE_POWER2 | PPC_OPCODE_32),
+ 0 },
+ { "spe", (PPC_OPCODE_PPC | PPC_OPCODE_EFS),
+ PPC_OPCODE_SPE },
+ { "vsx", (PPC_OPCODE_PPC | PPC_OPCODE_CLASSIC),
+ PPC_OPCODE_VSX },
+};
+
+/* Handle -m and -M options that set cpu type, and .machine arg. */
+
+ppc_cpu_t
+ppc_parse_cpu (ppc_cpu_t ppc_cpu, const char *arg)
+{
+ /* Sticky bits. */
+ ppc_cpu_t retain_flags = ppc_cpu & (PPC_OPCODE_ALTIVEC | PPC_OPCODE_VSX
+ | PPC_OPCODE_SPE | PPC_OPCODE_ANY);
+ unsigned int i;
+
+ for (i = 0; i < sizeof (ppc_opts) / sizeof (ppc_opts[0]); i++)
+ if (strcmp (ppc_opts[i].opt, arg) == 0)
+ {
+ if (ppc_opts[i].sticky)
+ {
+ retain_flags |= ppc_opts[i].sticky;
+ if ((ppc_cpu & ~(PPC_OPCODE_ALTIVEC | PPC_OPCODE_VSX
+ | PPC_OPCODE_SPE | PPC_OPCODE_ANY)) != 0)
+ break;
+ }
+ ppc_cpu = ppc_opts[i].cpu;
+ break;
+ }
+ if (i >= sizeof (ppc_opts) / sizeof (ppc_opts[0]))
+ return 0;
+
+ ppc_cpu |= retain_flags;
+ return ppc_cpu;
+}
+
+/* Determine which set of machines to disassemble for. */
+
+static int
+powerpc_init_dialect (struct disassemble_info *info)
+{
+ ppc_cpu_t dialect = 0;
+ char *arg;
+ struct dis_private *priv = calloc (sizeof (*priv), 1);
+
+ if (priv == NULL)
+ return FALSE;
+
+ arg = info->disassembler_options;
+ while (arg != NULL)
+ {
+ ppc_cpu_t new_cpu = 0;
+ char *end = strchr (arg, ',');
+
+ if (end != NULL)
+ *end = 0;
+
+ if ((new_cpu = ppc_parse_cpu (dialect, arg)) != 0)
+ dialect = new_cpu;
+ else if (strcmp (arg, "32") == 0)
+ {
+ dialect &= ~PPC_OPCODE_64;
+ dialect |= PPC_OPCODE_32;
+ }
+ else if (strcmp (arg, "64") == 0)
+ {
+ dialect |= PPC_OPCODE_64;
+ dialect &= ~PPC_OPCODE_32;
+ }
+ else
+ fprintf (stderr, _("warning: ignoring unknown -M%s option\n"), arg);
+
+ if (end != NULL)
+ *end++ = ',';
+ arg = end;
+ }
+
+ if ((dialect & ~(PPC_OPCODE_32 | PPC_OPCODE_64)) == 0)
+ {
+ if (info->mach == bfd_mach_ppc64)
+ dialect |= PPC_OPCODE_64;
+ else
+ dialect |= PPC_OPCODE_32;
+ /* Choose a reasonable default. */
+ dialect |= (PPC_OPCODE_PPC | PPC_OPCODE_COMMON | PPC_OPCODE_CLASSIC
+ | PPC_OPCODE_601 | PPC_OPCODE_ALTIVEC);
+ }
+
+ info->private_data = priv;
+ POWERPC_DIALECT(info) = dialect;
+
+ return TRUE;
+}