[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 "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)
{
    cpu_memory_rw_debug(cpu_single_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, 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;
    disasm_info.print_address_func = generic_print_target_address;

#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 & 1) {
        print_insn = print_insn_thumb1;
    } else {
        print_insn = print_insn_arm;
    }
    if (flags & 2) {
#ifdef TARGET_WORDS_BIGENDIAN
        disasm_info.endian = BFD_ENDIAN_LITTLE;
#else
        disasm_info.endian = BFD_ENDIAN_BIG;
#endif
    }
#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_ev6;
    print_insn = print_insn_alpha;
#elif defined(TARGET_CRIS)
    if (flags != 32) {
        disasm_info.mach = bfd_mach_cris_v0_v10;
        print_insn = print_insn_crisv10;
    } else {
        disasm_info.mach = bfd_mach_cris_v32;
        print_insn = print_insn_crisv32;
    }
#elif defined(TARGET_S390X)
    disasm_info.mach = bfd_mach_s390_64;
    print_insn = print_insn_s390;
#elif defined(TARGET_MICROBLAZE)
    disasm_info.mach = bfd_arch_microblaze;
    print_insn = print_insn_microblaze;
#elif defined(TARGET_LM32)
    disasm_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, &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)
{
    uintptr_t 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.print_address_func = generic_print_host_address;

    disasm_info.buffer = code;
    disasm_info.buffer_vma = (uintptr_t)code;
    disasm_info.buffer_length = size;

#ifdef HOST_WORDS_BIGENDIAN
    disasm_info.endian = BFD_ENDIAN_BIG;
#else
    disasm_info.endian = BFD_ENDIAN_LITTLE;
#endif
#if defined(CONFIG_TCG_INTERPRETER)
    print_insn = print_insn_tci;
#elif 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;
#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, &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 CPUArchState *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_read(memaddr, myaddr, length);
    } else {
        cpu_memory_rw_debug(monitor_disas_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;
    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.print_address_func = generic_print_target_address;

    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
#elif defined(TARGET_SH4)
    disasm_info.mach = bfd_mach_sh4;
    print_insn = print_insn_sh;
#elif defined(TARGET_S390X)
    disasm_info.mach = bfd_mach_s390_64;
    print_insn = print_insn_s390;
#elif defined(TARGET_LM32)
    disasm_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, &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	7	#include "cpu.h"
9307c4c1	8	#include "disas.h"
c6105c0a	9
b9adb4a6	10	/* Filled in by elfload.c. Simplistic, but will do for now. */
e80cfcfc	11	struct syminfo *syminfos = NULL;
b9adb4a6	12
aa0aa4fa FB	13	/* Get LENGTH bytes from info's buffer, at target address memaddr.
	14	Transfer them to myaddr. */
	15	int
3a742b76 PB	16	buffer_read_memory(bfd_vma memaddr, bfd_byte *myaddr, int length,
3a742b76 PB	17	struct disassemble_info *info)
aa0aa4fa	18	{
c6105c0a FB	19	if (memaddr < info->buffer_vma
	20	\|\| memaddr + length > info->buffer_vma + info->buffer_length)
	21	/* Out of bounds. Use EIO because GDB uses it. */
	22	return EIO;
	23	memcpy (myaddr, info->buffer + (memaddr - info->buffer_vma), length);
	24	return 0;
aa0aa4fa FB	25	}
aa0aa4fa FB	26
c6105c0a FB	27	/* Get LENGTH bytes from info's buffer, at target address memaddr.
	28	Transfer them to myaddr. */
	29	static int
c27004ec FB	30	target_read_memory (bfd_vma memaddr,
	31	bfd_byte *myaddr,
	32	int length,
	33	struct disassemble_info *info)
c6105c0a	34	{
e612a1f7	35	cpu_memory_rw_debug(cpu_single_env, memaddr, myaddr, length, 0);
c6105c0a FB	36	return 0;
c6105c0a FB	37	}
c6105c0a	38
aa0aa4fa FB	39	/* Print an error message. We can assume that this is in response to
	40	an error return from buffer_read_memory. */
	41	void
3a742b76	42	perror_memory (int status, bfd_vma memaddr, struct disassemble_info *info)
aa0aa4fa FB	43	{
	44	if (status != EIO)
	45	/* Can't happen. */
	46	(*info->fprintf_func) (info->stream, "Unknown error %d\n", status);
	47	else
	48	/* Actually, address between memaddr and memaddr + len was
	49	out of bounds. */
	50	(*info->fprintf_func) (info->stream,
26a76461	51	"Address 0x%" PRIx64 " is out of bounds.\n", memaddr);
aa0aa4fa FB	52	}
aa0aa4fa FB	53
a31f0531	54	/* This could be in a separate file, to save minuscule amounts of space
aa0aa4fa FB	55	in statically linked executables. */
	56
	57	/* Just print the address is hex. This is included for completeness even
	58	though both GDB and objdump provide their own (to print symbolic
	59	addresses). */
	60
	61	void
3a742b76	62	generic_print_address (bfd_vma addr, struct disassemble_info *info)
aa0aa4fa	63	{
26a76461	64	(*info->fprintf_func) (info->stream, "0x%" PRIx64, addr);
aa0aa4fa FB	65	}
aa0aa4fa FB	66
636bd289 PM	67	/* Print address in hex, truncated to the width of a target virtual address. */
	68	static void
	69	generic_print_target_address(bfd_vma addr, struct disassemble_info *info)
	70	{
	71	uint64_t mask = ~0ULL >> (64 - TARGET_VIRT_ADDR_SPACE_BITS);
	72	generic_print_address(addr & mask, info);
	73	}
	74
	75	/* Print address in hex, truncated to the width of a host virtual address. */
	76	static void
	77	generic_print_host_address(bfd_vma addr, struct disassemble_info *info)
	78	{
	79	uint64_t mask = ~0ULL >> (64 - (sizeof(void ) 8));
	80	generic_print_address(addr & mask, info);
	81	}
	82
aa0aa4fa FB	83	/* Just return the given address. */
	84
	85	int
3a742b76	86	generic_symbol_at_address (bfd_vma addr, struct disassemble_info *info)
aa0aa4fa FB	87	{
	88	return 1;
	89	}
	90
903ec55c AJ	91	bfd_vma bfd_getl64 (const bfd_byte *addr)
	92	{
	93	unsigned long long v;
	94
	95	v = (unsigned long long) addr[0];
	96	v \|= (unsigned long long) addr[1] << 8;
	97	v \|= (unsigned long long) addr[2] << 16;
	98	v \|= (unsigned long long) addr[3] << 24;
	99	v \|= (unsigned long long) addr[4] << 32;
	100	v \|= (unsigned long long) addr[5] << 40;
	101	v \|= (unsigned long long) addr[6] << 48;
	102	v \|= (unsigned long long) addr[7] << 56;
	103	return (bfd_vma) v;
	104	}
	105
aa0aa4fa FB	106	bfd_vma bfd_getl32 (const bfd_byte *addr)
	107	{
	108	unsigned long v;
	109
	110	v = (unsigned long) addr[0];
	111	v \|= (unsigned long) addr[1] << 8;
	112	v \|= (unsigned long) addr[2] << 16;
	113	v \|= (unsigned long) addr[3] << 24;
	114	return (bfd_vma) v;
	115	}
	116
	117	bfd_vma bfd_getb32 (const bfd_byte *addr)
	118	{
	119	unsigned long v;
	120
	121	v = (unsigned long) addr[0] << 24;
	122	v \|= (unsigned long) addr[1] << 16;
	123	v \|= (unsigned long) addr[2] << 8;
	124	v \|= (unsigned long) addr[3];
	125	return (bfd_vma) v;
	126	}
	127
6af0bf9c FB	128	bfd_vma bfd_getl16 (const bfd_byte *addr)
	129	{
	130	unsigned long v;
	131
	132	v = (unsigned long) addr[0];
	133	v \|= (unsigned long) addr[1] << 8;
	134	return (bfd_vma) v;
	135	}
	136
	137	bfd_vma bfd_getb16 (const bfd_byte *addr)
	138	{
	139	unsigned long v;
	140
	141	v = (unsigned long) addr[0] << 24;
	142	v \|= (unsigned long) addr[1] << 16;
	143	return (bfd_vma) v;
	144	}
	145
c2d551ff FB	146	#ifdef TARGET_ARM
	147	static int
	148	print_insn_thumb1(bfd_vma pc, disassemble_info *info)
	149	{
	150	return print_insn_arm(pc \| 1, info);
	151	}
	152	#endif
	153
e91c8a77	154	/* Disassemble this for me please... (debugging). 'flags' has the following
c2d551ff	155	values:
e99722f6	156	i386 - 1 means 16 bit code, 2 means 64 bit code
d8fd2954	157	arm - bit 0 = thumb, bit 1 = reverse endian
6a00d601	158	ppc - nonzero means little endian
c2d551ff FB	159	other targets - unused
c2d551ff FB	160	*/
83b34f8b	161	void target_disas(FILE *out, target_ulong code, target_ulong size, int flags)
b9adb4a6	162	{
c27004ec	163	target_ulong pc;
b9adb4a6 FB	164	int count;
	165	struct disassemble_info disasm_info;
	166	int (print_insn)(bfd_vma pc, disassemble_info info);
	167
	168	INIT_DISASSEMBLE_INFO(disasm_info, out, fprintf);
	169
c27004ec FB	170	disasm_info.read_memory_func = target_read_memory;
	171	disasm_info.buffer_vma = code;
	172	disasm_info.buffer_length = size;
636bd289	173	disasm_info.print_address_func = generic_print_target_address;
c27004ec FB	174
	175	#ifdef TARGET_WORDS_BIGENDIAN
	176	disasm_info.endian = BFD_ENDIAN_BIG;
	177	#else
	178	disasm_info.endian = BFD_ENDIAN_LITTLE;
	179	#endif
	180	#if defined(TARGET_I386)
	181	if (flags == 2)
	182	disasm_info.mach = bfd_mach_x86_64;
5fafdf24	183	else if (flags == 1)
c27004ec FB	184	disasm_info.mach = bfd_mach_i386_i8086;
	185	else
	186	disasm_info.mach = bfd_mach_i386_i386;
	187	print_insn = print_insn_i386;
	188	#elif defined(TARGET_ARM)
d8fd2954 PB	189	if (flags & 1) {
	190	print_insn = print_insn_thumb1;
	191	} else {
	192	print_insn = print_insn_arm;
	193	}
	194	if (flags & 2) {
	195	#ifdef TARGET_WORDS_BIGENDIAN
	196	disasm_info.endian = BFD_ENDIAN_LITTLE;
	197	#else
	198	disasm_info.endian = BFD_ENDIAN_BIG;
	199	#endif
	200	}
c27004ec FB	201	#elif defined(TARGET_SPARC)
c27004ec FB	202	print_insn = print_insn_sparc;
3475187d FB	203	#ifdef TARGET_SPARC64
3475187d FB	204	disasm_info.mach = bfd_mach_sparc_v9b;
3b46e624	205	#endif
c27004ec	206	#elif defined(TARGET_PPC)
237c0af0	207	if (flags >> 16)
111bfab3	208	disasm_info.endian = BFD_ENDIAN_LITTLE;
237c0af0 JM	209	if (flags & 0xFFFF) {
	210	/* If we have a precise definitions of the instructions set, use it */
	211	disasm_info.mach = flags & 0xFFFF;
	212	} else {
a2458627	213	#ifdef TARGET_PPC64
237c0af0	214	disasm_info.mach = bfd_mach_ppc64;
a2458627	215	#else
237c0af0	216	disasm_info.mach = bfd_mach_ppc;
a2458627	217	#endif
237c0af0	218	}
c27004ec	219	print_insn = print_insn_ppc;
e6e5906b PB	220	#elif defined(TARGET_M68K)
e6e5906b PB	221	print_insn = print_insn_m68k;
6af0bf9c	222	#elif defined(TARGET_MIPS)
76b3030c	223	#ifdef TARGET_WORDS_BIGENDIAN
6af0bf9c	224	print_insn = print_insn_big_mips;
76b3030c FB	225	#else
	226	print_insn = print_insn_little_mips;
	227	#endif
fdf9b3e8 FB	228	#elif defined(TARGET_SH4)
	229	disasm_info.mach = bfd_mach_sh4;
	230	print_insn = print_insn_sh;
eddf68a6	231	#elif defined(TARGET_ALPHA)
b9bec751	232	disasm_info.mach = bfd_mach_alpha_ev6;
eddf68a6	233	print_insn = print_insn_alpha;
a25fd137	234	#elif defined(TARGET_CRIS)
b09cd072 EI	235	if (flags != 32) {
	236	disasm_info.mach = bfd_mach_cris_v0_v10;
	237	print_insn = print_insn_crisv10;
	238	} else {
	239	disasm_info.mach = bfd_mach_cris_v32;
	240	print_insn = print_insn_crisv32;
	241	}
db500609 UH	242	#elif defined(TARGET_S390X)
	243	disasm_info.mach = bfd_mach_s390_64;
	244	print_insn = print_insn_s390;
e90e390c EI	245	#elif defined(TARGET_MICROBLAZE)
	246	disasm_info.mach = bfd_arch_microblaze;
	247	print_insn = print_insn_microblaze;
79368f49 MW	248	#elif defined(TARGET_LM32)
	249	disasm_info.mach = bfd_mach_lm32;
	250	print_insn = print_insn_lm32;
c27004ec	251	#else
b8076a74 FB	252	fprintf(out, "0x" TARGET_FMT_lx
b8076a74 FB	253	": Asm output not supported on this arch\n", code);
c27004ec	254	return;
c6105c0a FB	255	#endif
c6105c0a FB	256
7e000c2e	257	for (pc = code; size > 0; pc += count, size -= count) {
fa15e030	258	fprintf(out, "0x" TARGET_FMT_lx ": ", pc);
c27004ec FB	259	count = print_insn(pc, &disasm_info);
	260	#if 0
	261	{
	262	int i;
	263	uint8_t b;
	264	fprintf(out, " {");
	265	for(i = 0; i < count; i++) {
	266	target_read_memory(pc + i, &b, 1, &disasm_info);
	267	fprintf(out, " %02x", b);
	268	}
	269	fprintf(out, " }");
	270	}
	271	#endif
	272	fprintf(out, "\n");
	273	if (count < 0)
	274	break;
754d00ae	275	if (size < count) {
	276	fprintf(out,
	277	"Disassembler disagrees with translator over instruction "
	278	"decoding\n"
	279	"Please report this to [email protected]\n");
	280	break;
	281	}
c27004ec FB	282	}
	283	}
	284
	285	/* Disassemble this for me please... (debugging). */
	286	void disas(FILE out, void code, unsigned long size)
	287	{
b0b0f1c9	288	uintptr_t pc;
c27004ec FB	289	int count;
	290	struct disassemble_info disasm_info;
	291	int (print_insn)(bfd_vma pc, disassemble_info info);
	292
	293	INIT_DISASSEMBLE_INFO(disasm_info, out, fprintf);
636bd289	294	disasm_info.print_address_func = generic_print_host_address;
c27004ec	295
b9adb4a6	296	disasm_info.buffer = code;
b0b0f1c9	297	disasm_info.buffer_vma = (uintptr_t)code;
b9adb4a6 FB	298	disasm_info.buffer_length = size;
b9adb4a6 FB	299
e2542fe2	300	#ifdef HOST_WORDS_BIGENDIAN
c27004ec	301	disasm_info.endian = BFD_ENDIAN_BIG;
b9adb4a6	302	#else
c27004ec	303	disasm_info.endian = BFD_ENDIAN_LITTLE;
b9adb4a6	304	#endif
5826e519 SW	305	#if defined(CONFIG_TCG_INTERPRETER)
	306	print_insn = print_insn_tci;
	307	#elif defined(__i386__)
c27004ec FB	308	disasm_info.mach = bfd_mach_i386_i386;
c27004ec FB	309	print_insn = print_insn_i386;
bc51c5c9	310	#elif defined(__x86_64__)
c27004ec FB	311	disasm_info.mach = bfd_mach_x86_64;
c27004ec FB	312	print_insn = print_insn_i386;
e58ffeb3	313	#elif defined(_ARCH_PPC)
c27004ec	314	print_insn = print_insn_ppc;
a993ba85	315	#elif defined(__alpha__)
c27004ec	316	print_insn = print_insn_alpha;
aa0aa4fa	317	#elif defined(__sparc__)
c27004ec	318	print_insn = print_insn_sparc;
6ecd4534 BS	319	#if defined(__sparc_v8plus__) \|\| defined(__sparc_v8plusa__) \|\| defined(__sparc_v9__)
	320	disasm_info.mach = bfd_mach_sparc_v9b;
	321	#endif
5fafdf24	322	#elif defined(__arm__)
c27004ec	323	print_insn = print_insn_arm;
6af0bf9c FB	324	#elif defined(__MIPSEB__)
	325	print_insn = print_insn_big_mips;
	326	#elif defined(__MIPSEL__)
	327	print_insn = print_insn_little_mips;
48024e4a FB	328	#elif defined(__m68k__)
48024e4a FB	329	print_insn = print_insn_m68k;
8f860bb8 TS	330	#elif defined(__s390__)
8f860bb8 TS	331	print_insn = print_insn_s390;
f54b3f92 AJ	332	#elif defined(__hppa__)
f54b3f92 AJ	333	print_insn = print_insn_hppa;
903ec55c AJ	334	#elif defined(__ia64__)
903ec55c AJ	335	print_insn = print_insn_ia64;
b9adb4a6	336	#else
b8076a74 FB	337	fprintf(out, "0x%lx: Asm output not supported on this arch\n",
b8076a74 FB	338	(long) code);
c27004ec	339	return;
b9adb4a6	340	#endif
b0b0f1c9 SW	341	for (pc = (uintptr_t)code; size > 0; pc += count, size -= count) {
b0b0f1c9 SW	342	fprintf(out, "0x%08" PRIxPTR ": ", pc);
c27004ec	343	count = print_insn(pc, &disasm_info);
b9adb4a6 FB	344	fprintf(out, "\n");
	345	if (count < 0)
	346	break;
	347	}
	348	}
	349
	350	/* Look up symbol for debugging purpose. Returns "" if unknown. */
c27004ec	351	const char *lookup_symbol(target_ulong orig_addr)
b9adb4a6	352	{
49918a75	353	const char *symbol = "";
e80cfcfc	354	struct syminfo *s;
3b46e624	355
e80cfcfc	356	for (s = syminfos; s; s = s->next) {
49918a75 PB	357	symbol = s->lookup_symbol(s, orig_addr);
	358	if (symbol[0] != '\0') {
	359	break;
	360	}
b9adb4a6	361	}
49918a75 PB	362
49918a75 PB	363	return symbol;
b9adb4a6	364	}
9307c4c1 FB	365
	366	#if !defined(CONFIG_USER_ONLY)
	367
376253ec	368	#include "monitor.h"
3d2cfdf1	369
9307c4c1	370	static int monitor_disas_is_physical;
9349b4f9	371	static CPUArchState *monitor_disas_env;
9307c4c1 FB	372
9307c4c1 FB	373	static int
a5f1b965 BS	374	monitor_read_memory (bfd_vma memaddr, bfd_byte *myaddr, int length,
a5f1b965 BS	375	struct disassemble_info *info)
9307c4c1 FB	376	{
9307c4c1 FB	377	if (monitor_disas_is_physical) {
54f7b4a3	378	cpu_physical_memory_read(memaddr, myaddr, length);
9307c4c1	379	} else {
6a00d601	380	cpu_memory_rw_debug(monitor_disas_env, memaddr,myaddr, length, 0);
9307c4c1 FB	381	}
	382	return 0;
	383	}
	384
8b7968f7 SW	385	static int GCC_FMT_ATTR(2, 3)
8b7968f7 SW	386	monitor_fprintf(FILE stream, const char fmt, ...)
3d2cfdf1 FB	387	{
	388	va_list ap;
	389	va_start(ap, fmt);
376253ec	390	monitor_vprintf((Monitor *)stream, fmt, ap);
3d2cfdf1 FB	391	va_end(ap);
	392	return 0;
	393	}
	394
9349b4f9	395	void monitor_disas(Monitor mon, CPUArchState env,
6a00d601	396	target_ulong pc, int nb_insn, int is_physical, int flags)
9307c4c1	397	{
9307c4c1 FB	398	int count, i;
	399	struct disassemble_info disasm_info;
	400	int (print_insn)(bfd_vma pc, disassemble_info info);
	401
376253ec	402	INIT_DISASSEMBLE_INFO(disasm_info, (FILE *)mon, monitor_fprintf);
9307c4c1	403
6a00d601	404	monitor_disas_env = env;
9307c4c1 FB	405	monitor_disas_is_physical = is_physical;
9307c4c1 FB	406	disasm_info.read_memory_func = monitor_read_memory;
636bd289	407	disasm_info.print_address_func = generic_print_target_address;
9307c4c1 FB	408
	409	disasm_info.buffer_vma = pc;
	410
	411	#ifdef TARGET_WORDS_BIGENDIAN
	412	disasm_info.endian = BFD_ENDIAN_BIG;
	413	#else
	414	disasm_info.endian = BFD_ENDIAN_LITTLE;
	415	#endif
	416	#if defined(TARGET_I386)
fa15e030 FB	417	if (flags == 2)
fa15e030 FB	418	disasm_info.mach = bfd_mach_x86_64;
5fafdf24	419	else if (flags == 1)
9307c4c1	420	disasm_info.mach = bfd_mach_i386_i8086;
fa15e030 FB	421	else
fa15e030 FB	422	disasm_info.mach = bfd_mach_i386_i386;
9307c4c1 FB	423	print_insn = print_insn_i386;
	424	#elif defined(TARGET_ARM)
	425	print_insn = print_insn_arm;
cbd669da TS	426	#elif defined(TARGET_ALPHA)
cbd669da TS	427	print_insn = print_insn_alpha;
9307c4c1 FB	428	#elif defined(TARGET_SPARC)
9307c4c1 FB	429	print_insn = print_insn_sparc;
682c4f15 BS	430	#ifdef TARGET_SPARC64
	431	disasm_info.mach = bfd_mach_sparc_v9b;
	432	#endif
9307c4c1	433	#elif defined(TARGET_PPC)
a2458627 FB	434	#ifdef TARGET_PPC64
	435	disasm_info.mach = bfd_mach_ppc64;
	436	#else
	437	disasm_info.mach = bfd_mach_ppc;
	438	#endif
9307c4c1	439	print_insn = print_insn_ppc;
e6e5906b PB	440	#elif defined(TARGET_M68K)
e6e5906b PB	441	print_insn = print_insn_m68k;
6af0bf9c	442	#elif defined(TARGET_MIPS)
76b3030c	443	#ifdef TARGET_WORDS_BIGENDIAN
6af0bf9c	444	print_insn = print_insn_big_mips;
76b3030c FB	445	#else
	446	print_insn = print_insn_little_mips;
	447	#endif
b4e1f077 MD	448	#elif defined(TARGET_SH4)
	449	disasm_info.mach = bfd_mach_sh4;
	450	print_insn = print_insn_sh;
db500609 UH	451	#elif defined(TARGET_S390X)
	452	disasm_info.mach = bfd_mach_s390_64;
	453	print_insn = print_insn_s390;
79368f49 MW	454	#elif defined(TARGET_LM32)
	455	disasm_info.mach = bfd_mach_lm32;
	456	print_insn = print_insn_lm32;
9307c4c1	457	#else
376253ec AL	458	monitor_printf(mon, "0x" TARGET_FMT_lx
376253ec AL	459	": Asm output not supported on this arch\n", pc);
9307c4c1 FB	460	return;
	461	#endif
	462
	463	for(i = 0; i < nb_insn; i++) {
376253ec	464	monitor_printf(mon, "0x" TARGET_FMT_lx ": ", pc);
9307c4c1	465	count = print_insn(pc, &disasm_info);
376253ec	466	monitor_printf(mon, "\n");
9307c4c1 FB	467	if (count < 0)
	468	break;
	469	pc += count;
	470	}
	471	}
	472	#endif