disas: QOMify sh4 specific disas setup

Move the target_disas() sh4 specifics to the CPUClass::disas_set_info()
hook and delete the #ifdef specific code in disas.c.

Signed-off-by: Peter Crosthwaite <crosthwaite.peter@gmail.com>
Acked-by: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Andreas Färber <afaerber@suse.de>

disas.c

@@ -236,9 +236,6 @@ void target_disas(FILE *out, CPUState *cpu, target_ulong code,
 #else
     s.info.print_insn = print_insn_little_mips;
 #endif
-#elif defined(TARGET_SH4)
-    s.info.mach = bfd_mach_sh4;
-    s.info.print_insn = print_insn_sh;
 #elif defined(TARGET_ALPHA)
     s.info.mach = bfd_mach_alpha_ev6;
     s.info.print_insn = print_insn_alpha;
@@ -436,9 +433,6 @@ void monitor_disas(Monitor *mon, CPUState *cpu,
 #else
     s.info.print_insn = print_insn_little_mips;
 #endif
-#elif defined(TARGET_SH4)
-    s.info.mach = bfd_mach_sh4;
-    s.info.print_insn = print_insn_sh;
 #endif
     if (!s.info.print_insn) {
         monitor_printf(mon, "0x" TARGET_FMT_lx

target-sh4/cpu.c

@@ -70,6 +70,12 @@ static void superh_cpu_reset(CPUState *s)
     set_default_nan_mode(1, &env->fp_status);
 }
 
+static void superh_cpu_disas_set_info(CPUState *cpu, disassemble_info *info)
+{
+    info->mach = bfd_mach_sh4;
+    info->print_insn = print_insn_sh;
+}
+
 typedef struct SuperHCPUListState {
     fprintf_function cpu_fprintf;
     FILE *file;
@@ -288,9 +294,12 @@ static void superh_cpu_class_init(ObjectClass *oc, void *data)
 #else
     cc->get_phys_page_debug = superh_cpu_get_phys_page_debug;
 #endif
-    dc->vmsd = &vmstate_sh_cpu;
+    cc->disas_set_info = superh_cpu_disas_set_info;
+
     cc->gdb_num_core_regs = 59;
 
+    dc->vmsd = &vmstate_sh_cpu;
+
     /*
      * Reason: superh_cpu_initfn() calls cpu_exec_init(), which saves
      * the object in cpus -> dangling pointer after final