/* General "disassemble this chunk" code. Used for debugging. */
-#include "config.h"
+#include "qemu/osdep.h"
+#include "qemu-common.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;
+ CPUState *cpu;
} CPUDebug;
/* Filled in by elfload.c. Simplistic, but will do for now. */
{
CPUDebug *s = container_of(info, CPUDebug, info);
- cpu_memory_rw_debug(s->env, memaddr, myaddr, length, 0);
+ cpu_memory_rw_debug(s->cpu, memaddr, myaddr, length, 0);
return 0;
}
(*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)
return (bfd_vma) v;
}
-#ifdef TARGET_ARM
-static int
-print_insn_thumb1(bfd_vma pc, disassemble_info *info)
+static int print_insn_objdump(bfd_vma pc, disassemble_info *info,
+ const char *prefix)
+{
+ int i, n = info->buffer_length;
+ uint8_t *buf = g_malloc(n);
+
+ info->read_memory_func(pc, buf, n, info);
+
+ for (i = 0; i < n; ++i) {
+ if (i % 32 == 0) {
+ info->fprintf_func(info->stream, "\n%s: ", prefix);
+ }
+ info->fprintf_func(info->stream, "%02x", buf[i]);
+ }
+
+ g_free(buf);
+ return n;
+}
+
+static int print_insn_od_host(bfd_vma pc, disassemble_info *info)
{
- return print_insn_arm(pc | 1, info);
+ return print_insn_objdump(pc, info, "OBJD-H");
+}
+
+static int print_insn_od_target(bfd_vma pc, disassemble_info *info)
+{
+ return print_insn_objdump(pc, info, "OBJD-T");
}
-#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
+ ppc - bits 0:15 specify (optionally) the machine instruction set;
+ bit 16 indicates little endian.
other targets - unused
*/
-void target_disas(FILE *out, CPUArchState *env, target_ulong code,
+void target_disas(FILE *out, CPUState *cpu, target_ulong code,
target_ulong size, int flags)
{
+ CPUClass *cc = CPU_GET_CLASS(cpu);
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.cpu = cpu;
s.info.read_memory_func = target_read_memory;
+ s.info.read_memory_inner_func = NULL;
s.info.buffer_vma = code;
s.info.buffer_length = size;
- s.info.print_address_func = generic_print_target_address;
+ s.info.print_address_func = generic_print_address;
#ifdef TARGET_WORDS_BIGENDIAN
s.info.endian = BFD_ENDIAN_BIG;
#else
s.info.endian = BFD_ENDIAN_LITTLE;
#endif
+
+ if (cc->disas_set_info) {
+ cc->disas_set_info(cpu, &s.info);
+ }
+
#if defined(TARGET_I386)
if (flags == 2) {
s.info.mach = bfd_mach_x86_64;
} 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
+ s.info.print_insn = print_insn_i386;
#elif defined(TARGET_PPC)
- if (flags >> 16) {
+ if ((flags >> 16) & 1) {
s.info.endian = BFD_ENDIAN_LITTLE;
}
if (flags & 0xFFFF) {
- /* If we have a precise definitions of the instructions set, use it */
+ /* If we have a precise definition of the instruction set, use it. */
s.info.mach = flags & 0xFFFF;
} else {
#ifdef TARGET_PPC64
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;
+ s.info.disassembler_options = (char *)"any";
+ s.info.print_insn = print_insn_ppc;
#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;
+ if (s.info.print_insn == NULL) {
+ s.info.print_insn = print_insn_od_target;
}
-#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_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);
+ count = s.info.print_insn(pc, &s.info);
#if 0
{
int i;
uintptr_t pc;
int count;
CPUDebug s;
- int (*print_insn)(bfd_vma pc, disassemble_info *info);
+ int (*print_insn)(bfd_vma pc, disassemble_info *info) = NULL;
INIT_DISASSEMBLE_INFO(s.info, out, fprintf);
s.info.print_address_func = generic_print_host_address;
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(__aarch64__) && defined(CONFIG_ARM_A64_DIS)
+ print_insn = print_insn_arm_a64;
#elif defined(__alpha__)
print_insn = print_insn_alpha;
#elif defined(__sparc__)
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
+ if (print_insn == NULL) {
+ print_insn = print_insn_od_host;
+ }
for (pc = (uintptr_t)code; size > 0; pc += count, size -= count) {
fprintf(out, "0x%08" PRIxPTR ": ", pc);
count = print_insn(pc, &s.info);
if (monitor_disas_is_physical) {
cpu_physical_memory_read(memaddr, myaddr, length);
} else {
- cpu_memory_rw_debug(s->env, memaddr,myaddr, length, 0);
+ cpu_memory_rw_debug(s->cpu, 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,
+/* Disassembler for the monitor.
+ See target_disas for a description of flags. */
+void monitor_disas(Monitor *mon, CPUState *cpu,
target_ulong pc, int nb_insn, int is_physical, int flags)
{
+ CPUClass *cc = CPU_GET_CLASS(cpu);
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;
+ s.cpu = cpu;
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.print_address_func = generic_print_address;
s.info.buffer_vma = pc;
#else
s.info.endian = BFD_ENDIAN_LITTLE;
#endif
+
+ if (cc->disas_set_info) {
+ cc->disas_set_info(cpu, &s.info);
+ }
+
#if defined(TARGET_I386)
if (flags == 2) {
s.info.mach = bfd_mach_x86_64;
} 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
+ s.info.print_insn = print_insn_i386;
#elif defined(TARGET_PPC)
+ if (flags & 0xFFFF) {
+ /* If we have a precise definition of the instruction 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
- 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;
+ s.info.mach = bfd_mach_ppc64;
#else
- print_insn = print_insn_little_mips;
+ s.info.mach = bfd_mach_ppc;
#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_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;
+ }
+ if ((flags >> 16) & 1) {
+ s.info.endian = BFD_ENDIAN_LITTLE;
+ }
+ s.info.print_insn = print_insn_ppc;
#endif
+ if (!s.info.print_insn) {
+ monitor_printf(mon, "0x" TARGET_FMT_lx
+ ": Asm output not supported on this arch\n", pc);
+ return;
+ }
for(i = 0; i < nb_insn; i++) {
monitor_printf(mon, "0x" TARGET_FMT_lx ": ", pc);
- count = print_insn(pc, &s.info);
+ count = s.info.print_insn(pc, &s.info);
monitor_printf(mon, "\n");
if (count < 0)
break;
projects / mirror_qemu.git / blobdiff