[qemu.git] / disas.c

/* General "disassemble this chunk" code.  Used for debugging. */
#include "config.h"
#include "disas/bfd.h"
#include "elf.h"
#include <errno.h>

#include "cpu.h"
#include "disas/disas.h"

typedef struct CPUDebug {
    struct disassemble_info info;
    CPUArchState *env;
} CPUDebug;

/* Filled in by elfload.c.  Simplistic, but will do for now. */
struct syminfo *syminfos = NULL;

/* Get LENGTH bytes from info's buffer, at target address memaddr.
   Transfer them to myaddr.  */
int
buffer_read_memory(bfd_vma memaddr, bfd_byte *myaddr, int length,
                   struct disassemble_info *info)
{
    if (memaddr < info->buffer_vma
        || memaddr + length > info->buffer_vma + info->buffer_length)
        /* Out of bounds.  Use EIO because GDB uses it.  */
        return EIO;
    memcpy (myaddr, info->buffer + (memaddr - info->buffer_vma), length);
    return 0;
}

/* Get LENGTH bytes from info's buffer, at target address memaddr.
   Transfer them to myaddr.  */
static int
target_read_memory (bfd_vma memaddr,
                    bfd_byte *myaddr,
                    int length,
                    struct disassemble_info *info)
{
    CPUDebug *s = container_of(info, CPUDebug, info);

    cpu_memory_rw_debug(s->env, memaddr, myaddr, length, 0);
    return 0;
}

/* Print an error message.  We can assume that this is in response to
   an error return from buffer_read_memory.  */
void
perror_memory (int status, bfd_vma memaddr, struct disassemble_info *info)
{
  if (status != EIO)
    /* Can't happen.  */
    (*info->fprintf_func) (info->stream, "Unknown error %d\n", status);
  else
    /* Actually, address between memaddr and memaddr + len was
       out of bounds.  */
    (*info->fprintf_func) (info->stream,
			   "Address 0x%" PRIx64 " is out of bounds.\n", memaddr);
}

/* This could be in a separate file, to save minuscule amounts of space
   in statically linked executables.  */

/* Just print the address is hex.  This is included for completeness even
   though both GDB and objdump provide their own (to print symbolic
   addresses).  */

void
generic_print_address (bfd_vma addr, struct disassemble_info *info)
{
    (*info->fprintf_func) (info->stream, "0x%" PRIx64, addr);
}

/* Print address in hex, truncated to the width of a target virtual address. */
static void
generic_print_target_address(bfd_vma addr, struct disassemble_info *info)
{
    uint64_t mask = ~0ULL >> (64 - TARGET_VIRT_ADDR_SPACE_BITS);
    generic_print_address(addr & mask, info);
}

/* Print address in hex, truncated to the width of a host virtual address. */
static void
generic_print_host_address(bfd_vma addr, struct disassemble_info *info)
{
    uint64_t mask = ~0ULL >> (64 - (sizeof(void *) * 8));
    generic_print_address(addr & mask, info);
}

/* Just return the given address.  */

int
generic_symbol_at_address (bfd_vma addr, struct disassemble_info *info)
{
  return 1;
}

bfd_vma bfd_getl64 (const bfd_byte *addr)
{
  unsigned long long v;

  v = (unsigned long long) addr[0];
  v |= (unsigned long long) addr[1] << 8;
  v |= (unsigned long long) addr[2] << 16;
  v |= (unsigned long long) addr[3] << 24;
  v |= (unsigned long long) addr[4] << 32;
  v |= (unsigned long long) addr[5] << 40;
  v |= (unsigned long long) addr[6] << 48;
  v |= (unsigned long long) addr[7] << 56;
  return (bfd_vma) v;
}

bfd_vma bfd_getl32 (const bfd_byte *addr)
{
  unsigned long v;

  v = (unsigned long) addr[0];
  v |= (unsigned long) addr[1] << 8;
  v |= (unsigned long) addr[2] << 16;
  v |= (unsigned long) addr[3] << 24;
  return (bfd_vma) v;
}

bfd_vma bfd_getb32 (const bfd_byte *addr)
{
  unsigned long v;

  v = (unsigned long) addr[0] << 24;
  v |= (unsigned long) addr[1] << 16;
  v |= (unsigned long) addr[2] << 8;
  v |= (unsigned long) addr[3];
  return (bfd_vma) v;
}

bfd_vma bfd_getl16 (const bfd_byte *addr)
{
  unsigned long v;

  v = (unsigned long) addr[0];
  v |= (unsigned long) addr[1] << 8;
  return (bfd_vma) v;
}

bfd_vma bfd_getb16 (const bfd_byte *addr)
{
  unsigned long v;

  v = (unsigned long) addr[0] << 24;
  v |= (unsigned long) addr[1] << 16;
  return (bfd_vma) v;
}

#ifdef TARGET_ARM
static int
print_insn_thumb1(bfd_vma pc, disassemble_info *info)
{
  return print_insn_arm(pc | 1, info);
}
#endif

/* Disassemble this for me please... (debugging). 'flags' has the following
   values:
    i386 - 1 means 16 bit code, 2 means 64 bit code
    arm  - bit 0 = thumb, bit 1 = reverse endian
    ppc  - nonzero means little endian
    other targets - unused
 */
void target_disas(FILE *out, CPUArchState *env, target_ulong code,
                  target_ulong size, int flags)
{
    target_ulong pc;
    int count;
    CPUDebug s;
    int (*print_insn)(bfd_vma pc, disassemble_info *info);

    INIT_DISASSEMBLE_INFO(s.info, out, fprintf);

    s.env = env;
    s.info.read_memory_func = target_read_memory;
    s.info.buffer_vma = code;
    s.info.buffer_length = size;
    s.info.print_address_func = generic_print_target_address;

#ifdef TARGET_WORDS_BIGENDIAN
    s.info.endian = BFD_ENDIAN_BIG;
#else
    s.info.endian = BFD_ENDIAN_LITTLE;
#endif
#if defined(TARGET_I386)
    if (flags == 2) {
        s.info.mach = bfd_mach_x86_64;
    } else if (flags == 1) {
        s.info.mach = bfd_mach_i386_i8086;
    } else {
        s.info.mach = bfd_mach_i386_i386;
    }
    print_insn = print_insn_i386;
#elif defined(TARGET_ARM)
    if (flags & 1) {
        print_insn = print_insn_thumb1;
    } else {
        print_insn = print_insn_arm;
    }
    if (flags & 2) {
#ifdef TARGET_WORDS_BIGENDIAN
        s.info.endian = BFD_ENDIAN_LITTLE;
#else
        s.info.endian = BFD_ENDIAN_BIG;
#endif
    }
#elif defined(TARGET_SPARC)
    print_insn = print_insn_sparc;
#ifdef TARGET_SPARC64
    s.info.mach = bfd_mach_sparc_v9b;
#endif
#elif defined(TARGET_PPC)
    if (flags >> 16) {
        s.info.endian = BFD_ENDIAN_LITTLE;
    }
    if (flags & 0xFFFF) {
        /* If we have a precise definitions of the instructions set, use it */
        s.info.mach = flags & 0xFFFF;
    } else {
#ifdef TARGET_PPC64
        s.info.mach = bfd_mach_ppc64;
#else
        s.info.mach = bfd_mach_ppc;
#endif
    }
    s.info.disassembler_options = (char *)"any";
    print_insn = print_insn_ppc;
#elif defined(TARGET_M68K)
    print_insn = print_insn_m68k;
#elif defined(TARGET_MIPS)
#ifdef TARGET_WORDS_BIGENDIAN
    print_insn = print_insn_big_mips;
#else
    print_insn = print_insn_little_mips;
#endif
#elif defined(TARGET_SH4)
    s.info.mach = bfd_mach_sh4;
    print_insn = print_insn_sh;
#elif defined(TARGET_ALPHA)
    s.info.mach = bfd_mach_alpha_ev6;
    print_insn = print_insn_alpha;
#elif defined(TARGET_CRIS)
    if (flags != 32) {
        s.info.mach = bfd_mach_cris_v0_v10;
        print_insn = print_insn_crisv10;
    } else {
        s.info.mach = bfd_mach_cris_v32;
        print_insn = print_insn_crisv32;
    }
#elif defined(TARGET_S390X)
    s.info.mach = bfd_mach_s390_64;
    print_insn = print_insn_s390;
#elif defined(TARGET_MICROBLAZE)
    s.info.mach = bfd_arch_microblaze;
    print_insn = print_insn_microblaze;
#elif defined(TARGET_MOXIE)
    s.info.mach = bfd_arch_moxie;
    print_insn = print_insn_moxie;
#elif defined(TARGET_LM32)
    s.info.mach = bfd_mach_lm32;
    print_insn = print_insn_lm32;
#else
    fprintf(out, "0x" TARGET_FMT_lx
	    ": Asm output not supported on this arch\n", code);
    return;
#endif

    for (pc = code; size > 0; pc += count, size -= count) {
	fprintf(out, "0x" TARGET_FMT_lx ":  ", pc);
	count = print_insn(pc, &s.info);
#if 0
        {
            int i;
            uint8_t b;
            fprintf(out, " {");
            for(i = 0; i < count; i++) {
                target_read_memory(pc + i, &b, 1, &s.info);
                fprintf(out, " %02x", b);
            }
            fprintf(out, " }");
        }
#endif
	fprintf(out, "\n");
	if (count < 0)
	    break;
        if (size < count) {
            fprintf(out,
                    "Disassembler disagrees with translator over instruction "
                    "decoding\n"
                    "Please report this to qemu-devel@nongnu.org\n");
            break;
        }
    }
}

/* Disassemble this for me please... (debugging). */
void disas(FILE *out, void *code, unsigned long size)
{
    uintptr_t pc;
    int count;
    CPUDebug s;
    int (*print_insn)(bfd_vma pc, disassemble_info *info);

    INIT_DISASSEMBLE_INFO(s.info, out, fprintf);
    s.info.print_address_func = generic_print_host_address;

    s.info.buffer = code;
    s.info.buffer_vma = (uintptr_t)code;
    s.info.buffer_length = size;

#ifdef HOST_WORDS_BIGENDIAN
    s.info.endian = BFD_ENDIAN_BIG;
#else
    s.info.endian = BFD_ENDIAN_LITTLE;
#endif
#if defined(CONFIG_TCG_INTERPRETER)
    print_insn = print_insn_tci;
#elif defined(__i386__)
    s.info.mach = bfd_mach_i386_i386;
    print_insn = print_insn_i386;
#elif defined(__x86_64__)
    s.info.mach = bfd_mach_x86_64;
    print_insn = print_insn_i386;
#elif defined(_ARCH_PPC)
    s.info.disassembler_options = (char *)"any";
    print_insn = print_insn_ppc;
#elif defined(__alpha__)
    print_insn = print_insn_alpha;
#elif defined(__sparc__)
    print_insn = print_insn_sparc;
    s.info.mach = bfd_mach_sparc_v9b;
#elif defined(__arm__)
    print_insn = print_insn_arm;
#elif defined(__MIPSEB__)
    print_insn = print_insn_big_mips;
#elif defined(__MIPSEL__)
    print_insn = print_insn_little_mips;
#elif defined(__m68k__)
    print_insn = print_insn_m68k;
#elif defined(__s390__)
    print_insn = print_insn_s390;
#elif defined(__hppa__)
    print_insn = print_insn_hppa;
#elif defined(__ia64__)
    print_insn = print_insn_ia64;
#else
    fprintf(out, "0x%lx: Asm output not supported on this arch\n",
	    (long) code);
    return;
#endif
    for (pc = (uintptr_t)code; size > 0; pc += count, size -= count) {
        fprintf(out, "0x%08" PRIxPTR ":  ", pc);
        count = print_insn(pc, &s.info);
	fprintf(out, "\n");
	if (count < 0)
	    break;
    }
}

/* Look up symbol for debugging purpose.  Returns "" if unknown. */
const char *lookup_symbol(target_ulong orig_addr)
{
    const char *symbol = "";
    struct syminfo *s;

    for (s = syminfos; s; s = s->next) {
        symbol = s->lookup_symbol(s, orig_addr);
        if (symbol[0] != '\0') {
            break;
        }
    }

    return symbol;
}

#if !defined(CONFIG_USER_ONLY)

#include "monitor/monitor.h"

static int monitor_disas_is_physical;

static int
monitor_read_memory (bfd_vma memaddr, bfd_byte *myaddr, int length,
                     struct disassemble_info *info)
{
    CPUDebug *s = container_of(info, CPUDebug, info);

    if (monitor_disas_is_physical) {
        cpu_physical_memory_read(memaddr, myaddr, length);
    } else {
        cpu_memory_rw_debug(s->env, memaddr,myaddr, length, 0);
    }
    return 0;
}

static int GCC_FMT_ATTR(2, 3)
monitor_fprintf(FILE *stream, const char *fmt, ...)
{
    va_list ap;
    va_start(ap, fmt);
    monitor_vprintf((Monitor *)stream, fmt, ap);
    va_end(ap);
    return 0;
}

void monitor_disas(Monitor *mon, CPUArchState *env,
                   target_ulong pc, int nb_insn, int is_physical, int flags)
{
    int count, i;
    CPUDebug s;
    int (*print_insn)(bfd_vma pc, disassemble_info *info);

    INIT_DISASSEMBLE_INFO(s.info, (FILE *)mon, monitor_fprintf);

    s.env = env;
    monitor_disas_is_physical = is_physical;
    s.info.read_memory_func = monitor_read_memory;
    s.info.print_address_func = generic_print_target_address;

    s.info.buffer_vma = pc;

#ifdef TARGET_WORDS_BIGENDIAN
    s.info.endian = BFD_ENDIAN_BIG;
#else
    s.info.endian = BFD_ENDIAN_LITTLE;
#endif
#if defined(TARGET_I386)
    if (flags == 2) {
        s.info.mach = bfd_mach_x86_64;
    } else if (flags == 1) {
        s.info.mach = bfd_mach_i386_i8086;
    } else {
        s.info.mach = bfd_mach_i386_i386;
    }
    print_insn = print_insn_i386;
#elif defined(TARGET_ARM)
    print_insn = print_insn_arm;
#elif defined(TARGET_ALPHA)
    print_insn = print_insn_alpha;
#elif defined(TARGET_SPARC)
    print_insn = print_insn_sparc;
#ifdef TARGET_SPARC64
    s.info.mach = bfd_mach_sparc_v9b;
#endif
#elif defined(TARGET_PPC)
#ifdef TARGET_PPC64
    s.info.mach = bfd_mach_ppc64;
#else
    s.info.mach = bfd_mach_ppc;
#endif
    print_insn = print_insn_ppc;
#elif defined(TARGET_M68K)
    print_insn = print_insn_m68k;
#elif defined(TARGET_MIPS)
#ifdef TARGET_WORDS_BIGENDIAN
    print_insn = print_insn_big_mips;
#else
    print_insn = print_insn_little_mips;
#endif
#elif defined(TARGET_SH4)
    s.info.mach = bfd_mach_sh4;
    print_insn = print_insn_sh;
#elif defined(TARGET_S390X)
    s.info.mach = bfd_mach_s390_64;
    print_insn = print_insn_s390;
#elif defined(TARGET_MOXIE)
    s.info.mach = bfd_arch_moxie;
    print_insn = print_insn_moxie;
#elif defined(TARGET_LM32)
    s.info.mach = bfd_mach_lm32;
    print_insn = print_insn_lm32;
#else
    monitor_printf(mon, "0x" TARGET_FMT_lx
                   ": Asm output not supported on this arch\n", pc);
    return;
#endif

    for(i = 0; i < nb_insn; i++) {
	monitor_printf(mon, "0x" TARGET_FMT_lx ":  ", pc);
        count = print_insn(pc, &s.info);
	monitor_printf(mon, "\n");
	if (count < 0)
	    break;
        pc += count;
    }
}
#endif
Commit	Line	Data
	1	/* General "disassemble this chunk" code. Used for debugging. */
	2	#include "config.h"
	3	#include "disas/bfd.h"
	4	#include "elf.h"
	5	#include <errno.h>
	6
	7	#include "cpu.h"
	8	#include "disas/disas.h"
	9
	10	typedef struct CPUDebug {
	11	struct disassemble_info info;
	12	CPUArchState *env;
	13	} CPUDebug;
	14
	15	/* Filled in by elfload.c. Simplistic, but will do for now. */
	16	struct syminfo *syminfos = NULL;
	17
	18	/* Get LENGTH bytes from info's buffer, at target address memaddr.
	19	Transfer them to myaddr. */
	20	int
	21	buffer_read_memory(bfd_vma memaddr, bfd_byte *myaddr, int length,
	22	struct disassemble_info *info)
	23	{
	24	if (memaddr < info->buffer_vma
	25	\|\| memaddr + length > info->buffer_vma + info->buffer_length)
	26	/* Out of bounds. Use EIO because GDB uses it. */
	27	return EIO;
	28	memcpy (myaddr, info->buffer + (memaddr - info->buffer_vma), length);
	29	return 0;
	30	}
	31
	32	/* Get LENGTH bytes from info's buffer, at target address memaddr.
	33	Transfer them to myaddr. */
	34	static int
	35	target_read_memory (bfd_vma memaddr,
	36	bfd_byte *myaddr,
	37	int length,
	38	struct disassemble_info *info)
	39	{
	40	CPUDebug *s = container_of(info, CPUDebug, info);
	41
	42	cpu_memory_rw_debug(s->env, memaddr, myaddr, length, 0);
	43	return 0;
	44	}
	45
	46	/* Print an error message. We can assume that this is in response to
	47	an error return from buffer_read_memory. */
	48	void
	49	perror_memory (int status, bfd_vma memaddr, struct disassemble_info *info)
	50	{
	51	if (status != EIO)
	52	/* Can't happen. */
	53	(*info->fprintf_func) (info->stream, "Unknown error %d\n", status);
	54	else
	55	/* Actually, address between memaddr and memaddr + len was
	56	out of bounds. */
	57	(*info->fprintf_func) (info->stream,
	58	"Address 0x%" PRIx64 " is out of bounds.\n", memaddr);
	59	}
	60
	61	/* This could be in a separate file, to save minuscule amounts of space
	62	in statically linked executables. */
	63
	64	/* Just print the address is hex. This is included for completeness even
	65	though both GDB and objdump provide their own (to print symbolic
	66	addresses). */
	67
	68	void
	69	generic_print_address (bfd_vma addr, struct disassemble_info *info)
	70	{
	71	(*info->fprintf_func) (info->stream, "0x%" PRIx64, addr);
	72	}
	73
	74	/* Print address in hex, truncated to the width of a target virtual address. */
	75	static void
	76	generic_print_target_address(bfd_vma addr, struct disassemble_info *info)
	77	{
	78	uint64_t mask = ~0ULL >> (64 - TARGET_VIRT_ADDR_SPACE_BITS);
	79	generic_print_address(addr & mask, info);
	80	}
	81
	82	/* Print address in hex, truncated to the width of a host virtual address. */
	83	static void
	84	generic_print_host_address(bfd_vma addr, struct disassemble_info *info)
	85	{
	86	uint64_t mask = ~0ULL >> (64 - (sizeof(void ) 8));
	87	generic_print_address(addr & mask, info);
	88	}
	89
	90	/* Just return the given address. */
	91
	92	int
	93	generic_symbol_at_address (bfd_vma addr, struct disassemble_info *info)
	94	{
	95	return 1;
	96	}
	97
	98	bfd_vma bfd_getl64 (const bfd_byte *addr)
	99	{
	100	unsigned long long v;
	101
	102	v = (unsigned long long) addr[0];
	103	v \|= (unsigned long long) addr[1] << 8;
	104	v \|= (unsigned long long) addr[2] << 16;
	105	v \|= (unsigned long long) addr[3] << 24;
	106	v \|= (unsigned long long) addr[4] << 32;
	107	v \|= (unsigned long long) addr[5] << 40;
	108	v \|= (unsigned long long) addr[6] << 48;
	109	v \|= (unsigned long long) addr[7] << 56;
	110	return (bfd_vma) v;
	111	}
	112
	113	bfd_vma bfd_getl32 (const bfd_byte *addr)
	114	{
	115	unsigned long v;
	116
	117	v = (unsigned long) addr[0];
	118	v \|= (unsigned long) addr[1] << 8;
	119	v \|= (unsigned long) addr[2] << 16;
	120	v \|= (unsigned long) addr[3] << 24;
	121	return (bfd_vma) v;
	122	}
	123
	124	bfd_vma bfd_getb32 (const bfd_byte *addr)
	125	{
	126	unsigned long v;
	127
	128	v = (unsigned long) addr[0] << 24;
	129	v \|= (unsigned long) addr[1] << 16;
	130	v \|= (unsigned long) addr[2] << 8;
	131	v \|= (unsigned long) addr[3];
	132	return (bfd_vma) v;
	133	}
	134
	135	bfd_vma bfd_getl16 (const bfd_byte *addr)
	136	{
	137	unsigned long v;
	138
	139	v = (unsigned long) addr[0];
	140	v \|= (unsigned long) addr[1] << 8;
	141	return (bfd_vma) v;
	142	}
	143
	144	bfd_vma bfd_getb16 (const bfd_byte *addr)
	145	{
	146	unsigned long v;
	147
	148	v = (unsigned long) addr[0] << 24;
	149	v \|= (unsigned long) addr[1] << 16;
	150	return (bfd_vma) v;
	151	}
	152
	153	#ifdef TARGET_ARM
	154	static int
	155	print_insn_thumb1(bfd_vma pc, disassemble_info *info)
	156	{
	157	return print_insn_arm(pc \| 1, info);
	158	}
	159	#endif
	160
	161	/* Disassemble this for me please... (debugging). 'flags' has the following
	162	values:
	163	i386 - 1 means 16 bit code, 2 means 64 bit code
	164	arm - bit 0 = thumb, bit 1 = reverse endian
	165	ppc - nonzero means little endian
	166	other targets - unused
	167	*/
	168	void target_disas(FILE out, CPUArchState env, target_ulong code,
	169	target_ulong size, int flags)
	170	{
	171	target_ulong pc;
	172	int count;
	173	CPUDebug s;
	174	int (print_insn)(bfd_vma pc, disassemble_info info);
	175
	176	INIT_DISASSEMBLE_INFO(s.info, out, fprintf);
	177
	178	s.env = env;
	179	s.info.read_memory_func = target_read_memory;
	180	s.info.buffer_vma = code;
	181	s.info.buffer_length = size;
	182	s.info.print_address_func = generic_print_target_address;
	183
	184	#ifdef TARGET_WORDS_BIGENDIAN
	185	s.info.endian = BFD_ENDIAN_BIG;
	186	#else
	187	s.info.endian = BFD_ENDIAN_LITTLE;
	188	#endif
	189	#if defined(TARGET_I386)
	190	if (flags == 2) {
	191	s.info.mach = bfd_mach_x86_64;
	192	} else if (flags == 1) {
	193	s.info.mach = bfd_mach_i386_i8086;
	194	} else {
	195	s.info.mach = bfd_mach_i386_i386;
	196	}
	197	print_insn = print_insn_i386;
	198	#elif defined(TARGET_ARM)
	199	if (flags & 1) {
	200	print_insn = print_insn_thumb1;
	201	} else {
	202	print_insn = print_insn_arm;
	203	}
	204	if (flags & 2) {
	205	#ifdef TARGET_WORDS_BIGENDIAN
	206	s.info.endian = BFD_ENDIAN_LITTLE;
	207	#else
	208	s.info.endian = BFD_ENDIAN_BIG;
	209	#endif
	210	}
	211	#elif defined(TARGET_SPARC)
	212	print_insn = print_insn_sparc;
	213	#ifdef TARGET_SPARC64
	214	s.info.mach = bfd_mach_sparc_v9b;
	215	#endif
	216	#elif defined(TARGET_PPC)
	217	if (flags >> 16) {
	218	s.info.endian = BFD_ENDIAN_LITTLE;
	219	}
	220	if (flags & 0xFFFF) {
	221	/* If we have a precise definitions of the instructions set, use it */
	222	s.info.mach = flags & 0xFFFF;
	223	} else {
	224	#ifdef TARGET_PPC64
	225	s.info.mach = bfd_mach_ppc64;
	226	#else
	227	s.info.mach = bfd_mach_ppc;
	228	#endif
	229	}
	230	s.info.disassembler_options = (char *)"any";
	231	print_insn = print_insn_ppc;
	232	#elif defined(TARGET_M68K)
	233	print_insn = print_insn_m68k;
	234	#elif defined(TARGET_MIPS)
	235	#ifdef TARGET_WORDS_BIGENDIAN
	236	print_insn = print_insn_big_mips;
	237	#else
	238	print_insn = print_insn_little_mips;
	239	#endif
	240	#elif defined(TARGET_SH4)
	241	s.info.mach = bfd_mach_sh4;
	242	print_insn = print_insn_sh;
	243	#elif defined(TARGET_ALPHA)
	244	s.info.mach = bfd_mach_alpha_ev6;
	245	print_insn = print_insn_alpha;
	246	#elif defined(TARGET_CRIS)
	247	if (flags != 32) {
	248	s.info.mach = bfd_mach_cris_v0_v10;
	249	print_insn = print_insn_crisv10;
	250	} else {
	251	s.info.mach = bfd_mach_cris_v32;
	252	print_insn = print_insn_crisv32;
	253	}
	254	#elif defined(TARGET_S390X)
	255	s.info.mach = bfd_mach_s390_64;
	256	print_insn = print_insn_s390;
	257	#elif defined(TARGET_MICROBLAZE)
	258	s.info.mach = bfd_arch_microblaze;
	259	print_insn = print_insn_microblaze;
	260	#elif defined(TARGET_MOXIE)
	261	s.info.mach = bfd_arch_moxie;
	262	print_insn = print_insn_moxie;
	263	#elif defined(TARGET_LM32)
	264	s.info.mach = bfd_mach_lm32;
	265	print_insn = print_insn_lm32;
	266	#else
	267	fprintf(out, "0x" TARGET_FMT_lx
	268	": Asm output not supported on this arch\n", code);
	269	return;
	270	#endif
	271
	272	for (pc = code; size > 0; pc += count, size -= count) {
	273	fprintf(out, "0x" TARGET_FMT_lx ": ", pc);
	274	count = print_insn(pc, &s.info);
	275	#if 0
	276	{
	277	int i;
	278	uint8_t b;
	279	fprintf(out, " {");
	280	for(i = 0; i < count; i++) {
	281	target_read_memory(pc + i, &b, 1, &s.info);
	282	fprintf(out, " %02x", b);
	283	}
	284	fprintf(out, " }");
	285	}
	286	#endif
	287	fprintf(out, "\n");
	288	if (count < 0)
	289	break;
	290	if (size < count) {
	291	fprintf(out,
	292	"Disassembler disagrees with translator over instruction "
	293	"decoding\n"
	294	"Please report this to qemu-devel@nongnu.org\n");
	295	break;
	296	}
	297	}
	298	}
	299
	300	/* Disassemble this for me please... (debugging). */
	301	void disas(FILE out, void code, unsigned long size)
	302	{
	303	uintptr_t pc;
	304	int count;
	305	CPUDebug s;
	306	int (print_insn)(bfd_vma pc, disassemble_info info);
	307
	308	INIT_DISASSEMBLE_INFO(s.info, out, fprintf);
	309	s.info.print_address_func = generic_print_host_address;
	310
	311	s.info.buffer = code;
	312	s.info.buffer_vma = (uintptr_t)code;
	313	s.info.buffer_length = size;
	314
	315	#ifdef HOST_WORDS_BIGENDIAN
	316	s.info.endian = BFD_ENDIAN_BIG;
	317	#else
	318	s.info.endian = BFD_ENDIAN_LITTLE;
	319	#endif
	320	#if defined(CONFIG_TCG_INTERPRETER)
	321	print_insn = print_insn_tci;
	322	#elif defined(__i386__)
	323	s.info.mach = bfd_mach_i386_i386;
	324	print_insn = print_insn_i386;
	325	#elif defined(__x86_64__)
	326	s.info.mach = bfd_mach_x86_64;
	327	print_insn = print_insn_i386;
	328	#elif defined(_ARCH_PPC)
	329	s.info.disassembler_options = (char *)"any";
	330	print_insn = print_insn_ppc;
	331	#elif defined(__alpha__)
	332	print_insn = print_insn_alpha;
	333	#elif defined(__sparc__)
	334	print_insn = print_insn_sparc;
	335	s.info.mach = bfd_mach_sparc_v9b;
	336	#elif defined(__arm__)
	337	print_insn = print_insn_arm;
	338	#elif defined(__MIPSEB__)
	339	print_insn = print_insn_big_mips;
	340	#elif defined(__MIPSEL__)
	341	print_insn = print_insn_little_mips;
	342	#elif defined(__m68k__)
	343	print_insn = print_insn_m68k;
	344	#elif defined(__s390__)
	345	print_insn = print_insn_s390;
	346	#elif defined(__hppa__)
	347	print_insn = print_insn_hppa;
	348	#elif defined(__ia64__)
	349	print_insn = print_insn_ia64;
	350	#else
	351	fprintf(out, "0x%lx: Asm output not supported on this arch\n",
	352	(long) code);
	353	return;
	354	#endif
	355	for (pc = (uintptr_t)code; size > 0; pc += count, size -= count) {
	356	fprintf(out, "0x%08" PRIxPTR ": ", pc);
	357	count = print_insn(pc, &s.info);
	358	fprintf(out, "\n");
	359	if (count < 0)
	360	break;
	361	}
	362	}
	363
	364	/* Look up symbol for debugging purpose. Returns "" if unknown. */
	365	const char *lookup_symbol(target_ulong orig_addr)
	366	{
	367	const char *symbol = "";
	368	struct syminfo *s;
	369
	370	for (s = syminfos; s; s = s->next) {
	371	symbol = s->lookup_symbol(s, orig_addr);
	372	if (symbol[0] != '\0') {
	373	break;
	374	}
	375	}
	376
	377	return symbol;
	378	}
	379
	380	#if !defined(CONFIG_USER_ONLY)
	381
	382	#include "monitor/monitor.h"
	383
	384	static int monitor_disas_is_physical;
	385
	386	static int
	387	monitor_read_memory (bfd_vma memaddr, bfd_byte *myaddr, int length,
	388	struct disassemble_info *info)
	389	{
	390	CPUDebug *s = container_of(info, CPUDebug, info);
	391
	392	if (monitor_disas_is_physical) {
	393	cpu_physical_memory_read(memaddr, myaddr, length);
	394	} else {
	395	cpu_memory_rw_debug(s->env, memaddr,myaddr, length, 0);
	396	}
	397	return 0;
	398	}
	399
	400	static int GCC_FMT_ATTR(2, 3)
	401	monitor_fprintf(FILE stream, const char fmt, ...)
	402	{
	403	va_list ap;
	404	va_start(ap, fmt);
	405	monitor_vprintf((Monitor *)stream, fmt, ap);
	406	va_end(ap);
	407	return 0;
	408	}
	409
	410	void monitor_disas(Monitor mon, CPUArchState env,
	411	target_ulong pc, int nb_insn, int is_physical, int flags)
	412	{
	413	int count, i;
	414	CPUDebug s;
	415	int (print_insn)(bfd_vma pc, disassemble_info info);
	416
	417	INIT_DISASSEMBLE_INFO(s.info, (FILE *)mon, monitor_fprintf);
	418
	419	s.env = env;
	420	monitor_disas_is_physical = is_physical;
	421	s.info.read_memory_func = monitor_read_memory;
	422	s.info.print_address_func = generic_print_target_address;
	423
	424	s.info.buffer_vma = pc;
	425
	426	#ifdef TARGET_WORDS_BIGENDIAN
	427	s.info.endian = BFD_ENDIAN_BIG;
	428	#else
	429	s.info.endian = BFD_ENDIAN_LITTLE;
	430	#endif
	431	#if defined(TARGET_I386)
	432	if (flags == 2) {
	433	s.info.mach = bfd_mach_x86_64;
	434	} else if (flags == 1) {
	435	s.info.mach = bfd_mach_i386_i8086;
	436	} else {
	437	s.info.mach = bfd_mach_i386_i386;
	438	}
	439	print_insn = print_insn_i386;
	440	#elif defined(TARGET_ARM)
	441	print_insn = print_insn_arm;
	442	#elif defined(TARGET_ALPHA)
	443	print_insn = print_insn_alpha;
	444	#elif defined(TARGET_SPARC)
	445	print_insn = print_insn_sparc;
	446	#ifdef TARGET_SPARC64
	447	s.info.mach = bfd_mach_sparc_v9b;
	448	#endif
	449	#elif defined(TARGET_PPC)
	450	#ifdef TARGET_PPC64
	451	s.info.mach = bfd_mach_ppc64;
	452	#else
	453	s.info.mach = bfd_mach_ppc;
	454	#endif
	455	print_insn = print_insn_ppc;
	456	#elif defined(TARGET_M68K)
	457	print_insn = print_insn_m68k;
	458	#elif defined(TARGET_MIPS)
	459	#ifdef TARGET_WORDS_BIGENDIAN
	460	print_insn = print_insn_big_mips;
	461	#else
	462	print_insn = print_insn_little_mips;
	463	#endif
	464	#elif defined(TARGET_SH4)
	465	s.info.mach = bfd_mach_sh4;
	466	print_insn = print_insn_sh;
	467	#elif defined(TARGET_S390X)
	468	s.info.mach = bfd_mach_s390_64;
	469	print_insn = print_insn_s390;
	470	#elif defined(TARGET_MOXIE)
	471	s.info.mach = bfd_arch_moxie;
	472	print_insn = print_insn_moxie;
	473	#elif defined(TARGET_LM32)
	474	s.info.mach = bfd_mach_lm32;
	475	print_insn = print_insn_lm32;
	476	#else
	477	monitor_printf(mon, "0x" TARGET_FMT_lx
	478	": Asm output not supported on this arch\n", pc);
	479	return;
	480	#endif
	481
	482	for(i = 0; i < nb_insn; i++) {
	483	monitor_printf(mon, "0x" TARGET_FMT_lx ": ", pc);
	484	count = print_insn(pc, &s.info);
	485	monitor_printf(mon, "\n");
	486	if (count < 0)
	487	break;
	488	pc += count;
	489	}
	490	}
	491	#endif