[qemu.git] / disas.c

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

#include "cpu.h"
#include "exec-all.h"
#include "disas.h"

/* 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)
{
    int i;
    for(i = 0; i < length; i++) {
        myaddr[i] = ldub_code(memaddr + i);
    }
    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 miniscule 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);
}

/* Just return the given address.  */

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

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 - nonzero means 16 bit code
    arm  - nonzero means thumb code
    ppc  - nonzero means little endian
    other targets - unused
 */
void target_disas(FILE *out, target_ulong code, target_ulong size, int flags)
{
    target_ulong pc;
    int count;
    struct disassemble_info disasm_info;
    int (*print_insn)(bfd_vma pc, disassemble_info *info);

    INIT_DISASSEMBLE_INFO(disasm_info, out, fprintf);

    disasm_info.read_memory_func = target_read_memory;
    disasm_info.buffer_vma = code;
    disasm_info.buffer_length = size;

#ifdef TARGET_WORDS_BIGENDIAN
    disasm_info.endian = BFD_ENDIAN_BIG;
#else
    disasm_info.endian = BFD_ENDIAN_LITTLE;
#endif
#if defined(TARGET_I386)
    if (flags == 2)
        disasm_info.mach = bfd_mach_x86_64;
    else if (flags == 1)
        disasm_info.mach = bfd_mach_i386_i8086;
    else
        disasm_info.mach = bfd_mach_i386_i386;
    print_insn = print_insn_i386;
#elif defined(TARGET_ARM)
    if (flags)
	print_insn = print_insn_thumb1;
    else
	print_insn = print_insn_arm;
#elif defined(TARGET_SPARC)
    print_insn = print_insn_sparc;
#ifdef TARGET_SPARC64
    disasm_info.mach = bfd_mach_sparc_v9b;
#endif
#elif defined(TARGET_PPC)
    if (flags >> 16)
        disasm_info.endian = BFD_ENDIAN_LITTLE;
    if (flags & 0xFFFF) {
        /* If we have a precise definitions of the instructions set, use it */
        disasm_info.mach = flags & 0xFFFF;
    } else {
#ifdef TARGET_PPC64
        disasm_info.mach = bfd_mach_ppc64;
#else
        disasm_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)
    disasm_info.mach = bfd_mach_sh4;
    print_insn = print_insn_sh;
#elif defined(TARGET_ALPHA)
    disasm_info.mach = bfd_mach_alpha;
    print_insn = print_insn_alpha;
#elif defined(TARGET_CRIS)
    disasm_info.mach = bfd_mach_cris_v32;
    print_insn = print_insn_crisv32;
#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, &disasm_info);
#if 0
        {
            int i;
            uint8_t b;
            fprintf(out, " {");
            for(i = 0; i < count; i++) {
                target_read_memory(pc + i, &b, 1, &disasm_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 [email protected]\n");
            break;
        }
    }
}

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

    INIT_DISASSEMBLE_INFO(disasm_info, out, fprintf);

    disasm_info.buffer = code;
    disasm_info.buffer_vma = (unsigned long)code;
    disasm_info.buffer_length = size;

#ifdef WORDS_BIGENDIAN
    disasm_info.endian = BFD_ENDIAN_BIG;
#else
    disasm_info.endian = BFD_ENDIAN_LITTLE;
#endif
#if defined(__i386__)
    disasm_info.mach = bfd_mach_i386_i386;
    print_insn = print_insn_i386;
#elif defined(__x86_64__)
    disasm_info.mach = bfd_mach_x86_64;
    print_insn = print_insn_i386;
#elif defined(_ARCH_PPC)
    print_insn = print_insn_ppc;
#elif defined(__alpha__)
    print_insn = print_insn_alpha;
#elif defined(__sparc__)
    print_insn = print_insn_sparc;
#if defined(__sparc_v8plus__) || defined(__sparc_v8plusa__) || defined(__sparc_v9__)
    disasm_info.mach = bfd_mach_sparc_v9b;
#endif
#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;
#else
    fprintf(out, "0x%lx: Asm output not supported on this arch\n",
	    (long) code);
    return;
#endif
    for (pc = (unsigned long)code; size > 0; pc += count, size -= count) {
	fprintf(out, "0x%08lx:  ", pc);
#ifdef __arm__
        /* since data is included in the code, it is better to
           display code data too */
        fprintf(out, "%08x  ", (int)bfd_getl32((const bfd_byte *)pc));
#endif
	count = print_insn(pc, &disasm_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.h"

static int monitor_disas_is_physical;
static CPUState *monitor_disas_env;

static int
monitor_read_memory (bfd_vma memaddr, bfd_byte *myaddr, int length,
                     struct disassemble_info *info)
{
    if (monitor_disas_is_physical) {
        cpu_physical_memory_rw(memaddr, myaddr, length, 0);
    } else {
        cpu_memory_rw_debug(monitor_disas_env, memaddr,myaddr, length, 0);
    }
    return 0;
}

static int 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, CPUState *env,
                   target_ulong pc, int nb_insn, int is_physical, int flags)
{
    int count, i;
    struct disassemble_info disasm_info;
    int (*print_insn)(bfd_vma pc, disassemble_info *info);

    INIT_DISASSEMBLE_INFO(disasm_info, (FILE *)mon, monitor_fprintf);

    monitor_disas_env = env;
    monitor_disas_is_physical = is_physical;
    disasm_info.read_memory_func = monitor_read_memory;

    disasm_info.buffer_vma = pc;

#ifdef TARGET_WORDS_BIGENDIAN
    disasm_info.endian = BFD_ENDIAN_BIG;
#else
    disasm_info.endian = BFD_ENDIAN_LITTLE;
#endif
#if defined(TARGET_I386)
    if (flags == 2)
        disasm_info.mach = bfd_mach_x86_64;
    else if (flags == 1)
        disasm_info.mach = bfd_mach_i386_i8086;
    else
        disasm_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
    disasm_info.mach = bfd_mach_sparc_v9b;
#endif
#elif defined(TARGET_PPC)
#ifdef TARGET_PPC64
    disasm_info.mach = bfd_mach_ppc64;
#else
    disasm_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
#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, &disasm_info);
	monitor_printf(mon, "\n");
	if (count < 0)
	    break;
        pc += count;
    }
}
#endif
Commit	Line	Data
b9adb4a6	1	/* General "disassemble this chunk" code. Used for debugging. */
5bbe9299	2	#include "config.h"
b9adb4a6	3	#include "dis-asm.h"
b9adb4a6	4	#include "elf.h"
aa0aa4fa	5	#include <errno.h>
b9adb4a6	6
c6105c0a FB	7	#include "cpu.h"
c6105c0a FB	8	#include "exec-all.h"
9307c4c1	9	#include "disas.h"
c6105c0a	10
b9adb4a6	11	/* Filled in by elfload.c. Simplistic, but will do for now. */
e80cfcfc	12	struct syminfo *syminfos = NULL;
b9adb4a6	13
aa0aa4fa FB	14	/* Get LENGTH bytes from info's buffer, at target address memaddr.
	15	Transfer them to myaddr. */
	16	int
3a742b76 PB	17	buffer_read_memory(bfd_vma memaddr, bfd_byte *myaddr, int length,
3a742b76 PB	18	struct disassemble_info *info)
aa0aa4fa	19	{
c6105c0a FB	20	if (memaddr < info->buffer_vma
	21	\|\| memaddr + length > info->buffer_vma + info->buffer_length)
	22	/* Out of bounds. Use EIO because GDB uses it. */
	23	return EIO;
	24	memcpy (myaddr, info->buffer + (memaddr - info->buffer_vma), length);
	25	return 0;
aa0aa4fa FB	26	}
aa0aa4fa FB	27
c6105c0a FB	28	/* Get LENGTH bytes from info's buffer, at target address memaddr.
	29	Transfer them to myaddr. */
	30	static int
c27004ec FB	31	target_read_memory (bfd_vma memaddr,
	32	bfd_byte *myaddr,
	33	int length,
	34	struct disassemble_info *info)
c6105c0a FB	35	{
	36	int i;
	37	for(i = 0; i < length; i++) {
c27004ec	38	myaddr[i] = ldub_code(memaddr + i);
c6105c0a FB	39	}
	40	return 0;
	41	}
c6105c0a	42
aa0aa4fa FB	43	/* Print an error message. We can assume that this is in response to
	44	an error return from buffer_read_memory. */
	45	void
3a742b76	46	perror_memory (int status, bfd_vma memaddr, struct disassemble_info *info)
aa0aa4fa FB	47	{
	48	if (status != EIO)
	49	/* Can't happen. */
	50	(*info->fprintf_func) (info->stream, "Unknown error %d\n", status);
	51	else
	52	/* Actually, address between memaddr and memaddr + len was
	53	out of bounds. */
	54	(*info->fprintf_func) (info->stream,
26a76461	55	"Address 0x%" PRIx64 " is out of bounds.\n", memaddr);
aa0aa4fa FB	56	}
	57
	58	/* This could be in a separate file, to save miniscule amounts of space
	59	in statically linked executables. */
	60
	61	/* Just print the address is hex. This is included for completeness even
	62	though both GDB and objdump provide their own (to print symbolic
	63	addresses). */
	64
	65	void
3a742b76	66	generic_print_address (bfd_vma addr, struct disassemble_info *info)
aa0aa4fa	67	{
26a76461	68	(*info->fprintf_func) (info->stream, "0x%" PRIx64, addr);
aa0aa4fa FB	69	}
	70
	71	/* Just return the given address. */
	72
	73	int
3a742b76	74	generic_symbol_at_address (bfd_vma addr, struct disassemble_info *info)
aa0aa4fa FB	75	{
	76	return 1;
	77	}
	78
	79	bfd_vma bfd_getl32 (const bfd_byte *addr)
	80	{
	81	unsigned long v;
	82
	83	v = (unsigned long) addr[0];
	84	v \|= (unsigned long) addr[1] << 8;
	85	v \|= (unsigned long) addr[2] << 16;
	86	v \|= (unsigned long) addr[3] << 24;
	87	return (bfd_vma) v;
	88	}
	89
	90	bfd_vma bfd_getb32 (const bfd_byte *addr)
	91	{
	92	unsigned long v;
	93
	94	v = (unsigned long) addr[0] << 24;
	95	v \|= (unsigned long) addr[1] << 16;
	96	v \|= (unsigned long) addr[2] << 8;
	97	v \|= (unsigned long) addr[3];
	98	return (bfd_vma) v;
	99	}
	100
6af0bf9c FB	101	bfd_vma bfd_getl16 (const bfd_byte *addr)
	102	{
	103	unsigned long v;
	104
	105	v = (unsigned long) addr[0];
	106	v \|= (unsigned long) addr[1] << 8;
	107	return (bfd_vma) v;
	108	}
	109
	110	bfd_vma bfd_getb16 (const bfd_byte *addr)
	111	{
	112	unsigned long v;
	113
	114	v = (unsigned long) addr[0] << 24;
	115	v \|= (unsigned long) addr[1] << 16;
	116	return (bfd_vma) v;
	117	}
	118
c2d551ff FB	119	#ifdef TARGET_ARM
	120	static int
	121	print_insn_thumb1(bfd_vma pc, disassemble_info *info)
	122	{
	123	return print_insn_arm(pc \| 1, info);
	124	}
	125	#endif
	126
e91c8a77	127	/* Disassemble this for me please... (debugging). 'flags' has the following
c2d551ff FB	128	values:
c2d551ff FB	129	i386 - nonzero means 16 bit code
5fafdf24	130	arm - nonzero means thumb code
6a00d601	131	ppc - nonzero means little endian
c2d551ff FB	132	other targets - unused
c2d551ff FB	133	*/
83b34f8b	134	void target_disas(FILE *out, target_ulong code, target_ulong size, int flags)
b9adb4a6	135	{
c27004ec	136	target_ulong pc;
b9adb4a6 FB	137	int count;
	138	struct disassemble_info disasm_info;
	139	int (print_insn)(bfd_vma pc, disassemble_info info);
	140
	141	INIT_DISASSEMBLE_INFO(disasm_info, out, fprintf);
	142
c27004ec FB	143	disasm_info.read_memory_func = target_read_memory;
	144	disasm_info.buffer_vma = code;
	145	disasm_info.buffer_length = size;
	146
	147	#ifdef TARGET_WORDS_BIGENDIAN
	148	disasm_info.endian = BFD_ENDIAN_BIG;
	149	#else
	150	disasm_info.endian = BFD_ENDIAN_LITTLE;
	151	#endif
	152	#if defined(TARGET_I386)
	153	if (flags == 2)
	154	disasm_info.mach = bfd_mach_x86_64;
5fafdf24	155	else if (flags == 1)
c27004ec FB	156	disasm_info.mach = bfd_mach_i386_i8086;
	157	else
	158	disasm_info.mach = bfd_mach_i386_i386;
	159	print_insn = print_insn_i386;
	160	#elif defined(TARGET_ARM)
c2d551ff FB	161	if (flags)
	162	print_insn = print_insn_thumb1;
	163	else
	164	print_insn = print_insn_arm;
c27004ec FB	165	#elif defined(TARGET_SPARC)
c27004ec FB	166	print_insn = print_insn_sparc;
3475187d FB	167	#ifdef TARGET_SPARC64
3475187d FB	168	disasm_info.mach = bfd_mach_sparc_v9b;
3b46e624	169	#endif
c27004ec	170	#elif defined(TARGET_PPC)
237c0af0	171	if (flags >> 16)
111bfab3	172	disasm_info.endian = BFD_ENDIAN_LITTLE;
237c0af0 JM	173	if (flags & 0xFFFF) {
	174	/* If we have a precise definitions of the instructions set, use it */
	175	disasm_info.mach = flags & 0xFFFF;
	176	} else {
a2458627	177	#ifdef TARGET_PPC64
237c0af0	178	disasm_info.mach = bfd_mach_ppc64;
a2458627	179	#else
237c0af0	180	disasm_info.mach = bfd_mach_ppc;
a2458627	181	#endif
237c0af0	182	}
c27004ec	183	print_insn = print_insn_ppc;
e6e5906b PB	184	#elif defined(TARGET_M68K)
e6e5906b PB	185	print_insn = print_insn_m68k;
6af0bf9c	186	#elif defined(TARGET_MIPS)
76b3030c	187	#ifdef TARGET_WORDS_BIGENDIAN
6af0bf9c	188	print_insn = print_insn_big_mips;
76b3030c FB	189	#else
	190	print_insn = print_insn_little_mips;
	191	#endif
fdf9b3e8 FB	192	#elif defined(TARGET_SH4)
	193	disasm_info.mach = bfd_mach_sh4;
	194	print_insn = print_insn_sh;
eddf68a6 JM	195	#elif defined(TARGET_ALPHA)
	196	disasm_info.mach = bfd_mach_alpha;
	197	print_insn = print_insn_alpha;
a25fd137 TS	198	#elif defined(TARGET_CRIS)
	199	disasm_info.mach = bfd_mach_cris_v32;
	200	print_insn = print_insn_crisv32;
c27004ec	201	#else
b8076a74 FB	202	fprintf(out, "0x" TARGET_FMT_lx
b8076a74 FB	203	": Asm output not supported on this arch\n", code);
c27004ec	204	return;
c6105c0a FB	205	#endif
c6105c0a FB	206
7e000c2e	207	for (pc = code; size > 0; pc += count, size -= count) {
fa15e030	208	fprintf(out, "0x" TARGET_FMT_lx ": ", pc);
c27004ec FB	209	count = print_insn(pc, &disasm_info);
	210	#if 0
	211	{
	212	int i;
	213	uint8_t b;
	214	fprintf(out, " {");
	215	for(i = 0; i < count; i++) {
	216	target_read_memory(pc + i, &b, 1, &disasm_info);
	217	fprintf(out, " %02x", b);
	218	}
	219	fprintf(out, " }");
	220	}
	221	#endif
	222	fprintf(out, "\n");
	223	if (count < 0)
	224	break;
754d00ae	225	if (size < count) {
	226	fprintf(out,
	227	"Disassembler disagrees with translator over instruction "
	228	"decoding\n"
	229	"Please report this to [email protected]\n");
	230	break;
	231	}
c27004ec FB	232	}
	233	}
	234
	235	/* Disassemble this for me please... (debugging). */
	236	void disas(FILE out, void code, unsigned long size)
	237	{
	238	unsigned long pc;
	239	int count;
	240	struct disassemble_info disasm_info;
	241	int (print_insn)(bfd_vma pc, disassemble_info info);
	242
	243	INIT_DISASSEMBLE_INFO(disasm_info, out, fprintf);
	244
b9adb4a6 FB	245	disasm_info.buffer = code;
	246	disasm_info.buffer_vma = (unsigned long)code;
	247	disasm_info.buffer_length = size;
	248
b9adb4a6	249	#ifdef WORDS_BIGENDIAN
c27004ec	250	disasm_info.endian = BFD_ENDIAN_BIG;
b9adb4a6	251	#else
c27004ec	252	disasm_info.endian = BFD_ENDIAN_LITTLE;
b9adb4a6	253	#endif
bc51c5c9	254	#if defined(__i386__)
c27004ec FB	255	disasm_info.mach = bfd_mach_i386_i386;
c27004ec FB	256	print_insn = print_insn_i386;
bc51c5c9	257	#elif defined(__x86_64__)
c27004ec FB	258	disasm_info.mach = bfd_mach_x86_64;
c27004ec FB	259	print_insn = print_insn_i386;
e58ffeb3	260	#elif defined(_ARCH_PPC)
c27004ec	261	print_insn = print_insn_ppc;
a993ba85	262	#elif defined(__alpha__)
c27004ec	263	print_insn = print_insn_alpha;
aa0aa4fa	264	#elif defined(__sparc__)
c27004ec	265	print_insn = print_insn_sparc;
6ecd4534 BS	266	#if defined(__sparc_v8plus__) \|\| defined(__sparc_v8plusa__) \|\| defined(__sparc_v9__)
	267	disasm_info.mach = bfd_mach_sparc_v9b;
	268	#endif
5fafdf24	269	#elif defined(__arm__)
c27004ec	270	print_insn = print_insn_arm;
6af0bf9c FB	271	#elif defined(__MIPSEB__)
	272	print_insn = print_insn_big_mips;
	273	#elif defined(__MIPSEL__)
	274	print_insn = print_insn_little_mips;
48024e4a FB	275	#elif defined(__m68k__)
48024e4a FB	276	print_insn = print_insn_m68k;
8f860bb8 TS	277	#elif defined(__s390__)
8f860bb8 TS	278	print_insn = print_insn_s390;
f54b3f92 AJ	279	#elif defined(__hppa__)
f54b3f92 AJ	280	print_insn = print_insn_hppa;
b9adb4a6	281	#else
b8076a74 FB	282	fprintf(out, "0x%lx: Asm output not supported on this arch\n",
b8076a74 FB	283	(long) code);
c27004ec	284	return;
b9adb4a6	285	#endif
7e000c2e	286	for (pc = (unsigned long)code; size > 0; pc += count, size -= count) {
c27004ec	287	fprintf(out, "0x%08lx: ", pc);
aa0aa4fa	288	#ifdef __arm__
46152182	289	/* since data is included in the code, it is better to
aa0aa4fa	290	display code data too */
46152182	291	fprintf(out, "%08x ", (int)bfd_getl32((const bfd_byte *)pc));
aa0aa4fa	292	#endif
c27004ec	293	count = print_insn(pc, &disasm_info);
b9adb4a6 FB	294	fprintf(out, "\n");
	295	if (count < 0)
	296	break;
	297	}
	298	}
	299
	300	/* Look up symbol for debugging purpose. Returns "" if unknown. */
c27004ec	301	const char *lookup_symbol(target_ulong orig_addr)
b9adb4a6	302	{
49918a75	303	const char *symbol = "";
e80cfcfc	304	struct syminfo *s;
3b46e624	305
e80cfcfc	306	for (s = syminfos; s; s = s->next) {
49918a75 PB	307	symbol = s->lookup_symbol(s, orig_addr);
	308	if (symbol[0] != '\0') {
	309	break;
	310	}
b9adb4a6	311	}
49918a75 PB	312
49918a75 PB	313	return symbol;
b9adb4a6	314	}
9307c4c1 FB	315
	316	#if !defined(CONFIG_USER_ONLY)
	317
376253ec	318	#include "monitor.h"
3d2cfdf1	319
9307c4c1	320	static int monitor_disas_is_physical;
6a00d601	321	static CPUState *monitor_disas_env;
9307c4c1 FB	322
9307c4c1 FB	323	static int
a5f1b965 BS	324	monitor_read_memory (bfd_vma memaddr, bfd_byte *myaddr, int length,
a5f1b965 BS	325	struct disassemble_info *info)
9307c4c1 FB	326	{
	327	if (monitor_disas_is_physical) {
	328	cpu_physical_memory_rw(memaddr, myaddr, length, 0);
	329	} else {
6a00d601	330	cpu_memory_rw_debug(monitor_disas_env, memaddr,myaddr, length, 0);
9307c4c1 FB	331	}
	332	return 0;
	333	}
	334
3d2cfdf1 FB	335	static int monitor_fprintf(FILE stream, const char fmt, ...)
	336	{
	337	va_list ap;
	338	va_start(ap, fmt);
376253ec	339	monitor_vprintf((Monitor *)stream, fmt, ap);
3d2cfdf1 FB	340	va_end(ap);
	341	return 0;
	342	}
	343
376253ec	344	void monitor_disas(Monitor mon, CPUState env,
6a00d601	345	target_ulong pc, int nb_insn, int is_physical, int flags)
9307c4c1	346	{
9307c4c1 FB	347	int count, i;
	348	struct disassemble_info disasm_info;
	349	int (print_insn)(bfd_vma pc, disassemble_info info);
	350
376253ec	351	INIT_DISASSEMBLE_INFO(disasm_info, (FILE *)mon, monitor_fprintf);
9307c4c1	352
6a00d601	353	monitor_disas_env = env;
9307c4c1 FB	354	monitor_disas_is_physical = is_physical;
	355	disasm_info.read_memory_func = monitor_read_memory;
	356
	357	disasm_info.buffer_vma = pc;
	358
	359	#ifdef TARGET_WORDS_BIGENDIAN
	360	disasm_info.endian = BFD_ENDIAN_BIG;
	361	#else
	362	disasm_info.endian = BFD_ENDIAN_LITTLE;
	363	#endif
	364	#if defined(TARGET_I386)
fa15e030 FB	365	if (flags == 2)
fa15e030 FB	366	disasm_info.mach = bfd_mach_x86_64;
5fafdf24	367	else if (flags == 1)
9307c4c1	368	disasm_info.mach = bfd_mach_i386_i8086;
fa15e030 FB	369	else
fa15e030 FB	370	disasm_info.mach = bfd_mach_i386_i386;
9307c4c1 FB	371	print_insn = print_insn_i386;
	372	#elif defined(TARGET_ARM)
	373	print_insn = print_insn_arm;
cbd669da TS	374	#elif defined(TARGET_ALPHA)
cbd669da TS	375	print_insn = print_insn_alpha;
9307c4c1 FB	376	#elif defined(TARGET_SPARC)
9307c4c1 FB	377	print_insn = print_insn_sparc;
682c4f15 BS	378	#ifdef TARGET_SPARC64
	379	disasm_info.mach = bfd_mach_sparc_v9b;
	380	#endif
9307c4c1	381	#elif defined(TARGET_PPC)
a2458627 FB	382	#ifdef TARGET_PPC64
	383	disasm_info.mach = bfd_mach_ppc64;
	384	#else
	385	disasm_info.mach = bfd_mach_ppc;
	386	#endif
9307c4c1	387	print_insn = print_insn_ppc;
e6e5906b PB	388	#elif defined(TARGET_M68K)
e6e5906b PB	389	print_insn = print_insn_m68k;
6af0bf9c	390	#elif defined(TARGET_MIPS)
76b3030c	391	#ifdef TARGET_WORDS_BIGENDIAN
6af0bf9c	392	print_insn = print_insn_big_mips;
76b3030c FB	393	#else
	394	print_insn = print_insn_little_mips;
	395	#endif
9307c4c1	396	#else
376253ec AL	397	monitor_printf(mon, "0x" TARGET_FMT_lx
376253ec AL	398	": Asm output not supported on this arch\n", pc);
9307c4c1 FB	399	return;
	400	#endif
	401
	402	for(i = 0; i < nb_insn; i++) {
376253ec	403	monitor_printf(mon, "0x" TARGET_FMT_lx ": ", pc);
9307c4c1	404	count = print_insn(pc, &disasm_info);
376253ec	405	monitor_printf(mon, "\n");
9307c4c1 FB	406	if (count < 0)
	407	break;
	408	pc += count;
	409	}
	410	}
	411	#endif