#include <errno.h>
#include "cpu.h"
-#include "exec-all.h"
#include "disas.h"
/* Filled in by elfload.c. Simplistic, but will do for now. */
/* Get LENGTH bytes from info's buffer, at target address memaddr.
Transfer them to myaddr. */
int
-buffer_read_memory (memaddr, myaddr, length, info)
- bfd_vma memaddr;
- bfd_byte *myaddr;
- int length;
- struct disassemble_info *info;
+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)
int length,
struct disassemble_info *info)
{
- int i;
- for(i = 0; i < length; i++) {
- myaddr[i] = ldub_code(memaddr + i);
- }
+ 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 (status, memaddr, info)
- int status;
- bfd_vma memaddr;
- struct disassemble_info *info;
+perror_memory (int status, bfd_vma memaddr, struct disassemble_info *info)
{
if (status != EIO)
/* Can't happen. */
"Address 0x%" PRIx64 " is out of bounds.\n", memaddr);
}
-/* This could be in a separate file, to save miniscule amounts of space
+/* 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
addresses). */
void
-generic_print_address (addr, info)
- bfd_vma addr;
- struct disassemble_info *info;
+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 (addr, info)
- bfd_vma addr;
- struct disassemble_info * info;
+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;
}
#endif
-/* Disassemble this for me please... (debugging). 'flags' has teh following
+/* Disassemble this for me please... (debugging). 'flags' has the following
values:
- i386 - nonzero means 16 bit code
- arm - nonzero means thumb code
+ 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
*/
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;
#if defined(TARGET_I386)
if (flags == 2)
disasm_info.mach = bfd_mach_x86_64;
- else if (flags == 1)
+ 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;
+ 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
+#endif
#elif defined(TARGET_PPC)
- if (flags)
+ 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;
+ disasm_info.mach = bfd_mach_ppc64;
#else
- disasm_info.mach = bfd_mach_ppc;
+ disasm_info.mach = bfd_mach_ppc;
#endif
+ }
print_insn = print_insn_ppc;
#elif defined(TARGET_M68K)
print_insn = print_insn_m68k;
disasm_info.mach = bfd_mach_sh4;
print_insn = print_insn_sh;
#elif defined(TARGET_ALPHA)
- disasm_info.mach = bfd_mach_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; pc < code + size; pc += count) {
+ for (pc = code; size > 0; pc += count, size -= count) {
fprintf(out, "0x" TARGET_FMT_lx ": ", pc);
count = print_insn(pc, &disasm_info);
#if 0
fprintf(out, "\n");
if (count < 0)
break;
+ if (size < count) {
+ fprintf(out,
+ "Disassembler disagrees with translator over instruction "
+ "decoding\n"
+ break;
+ }
}
}
/* Disassemble this for me please... (debugging). */
void disas(FILE *out, void *code, unsigned long size)
{
- unsigned long pc;
+ 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 = (unsigned long)code;
+ disasm_info.buffer_vma = (uintptr_t)code;
disasm_info.buffer_length = size;
-#ifdef WORDS_BIGENDIAN
+#ifdef HOST_WORDS_BIGENDIAN
disasm_info.endian = BFD_ENDIAN_BIG;
#else
disasm_info.endian = BFD_ENDIAN_LITTLE;
#endif
-#if defined(__i386__)
+#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(__powerpc__)
+#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__)
+#elif defined(__arm__)
print_insn = print_insn_arm;
#elif defined(__MIPSEB__)
print_insn = print_insn_big_mips;
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 = (unsigned long)code; pc < (unsigned long)code + size; pc += 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
+ 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)
/* Look up symbol for debugging purpose. Returns "" if unknown. */
const char *lookup_symbol(target_ulong orig_addr)
{
- unsigned int i;
- /* Hack, because we know this is x86. */
- Elf32_Sym *sym;
+ const char *symbol = "";
struct syminfo *s;
- target_ulong addr;
-
- for (s = syminfos; s; s = s->next) {
- sym = s->disas_symtab;
- for (i = 0; i < s->disas_num_syms; i++) {
- if (sym[i].st_shndx == SHN_UNDEF
- || sym[i].st_shndx >= SHN_LORESERVE)
- continue;
-
- if (ELF_ST_TYPE(sym[i].st_info) != STT_FUNC)
- continue;
- addr = sym[i].st_value;
-#ifdef TARGET_ARM
- /* The bottom address bit marks a Thumb symbol. */
- addr &= ~(target_ulong)1;
-#endif
- if (orig_addr >= addr
- && orig_addr < addr + sym[i].st_size)
- return s->disas_strtab + sym[i].st_name;
- }
+ for (s = syminfos; s; s = s->next) {
+ symbol = s->lookup_symbol(s, orig_addr);
+ if (symbol[0] != '\0') {
+ break;
+ }
}
- return "";
+
+ return symbol;
}
#if !defined(CONFIG_USER_ONLY)
-void term_vprintf(const char *fmt, va_list ap);
-void term_printf(const char *fmt, ...);
+#include "monitor.h"
static int monitor_disas_is_physical;
-static CPUState *monitor_disas_env;
+static CPUArchState *monitor_disas_env;
static int
-monitor_read_memory (memaddr, myaddr, length, info)
- bfd_vma memaddr;
- bfd_byte *myaddr;
- int length;
- struct disassemble_info *info;
+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);
+ cpu_physical_memory_read(memaddr, myaddr, length);
} else {
cpu_memory_rw_debug(monitor_disas_env, memaddr,myaddr, length, 0);
}
return 0;
}
-static int monitor_fprintf(FILE *stream, const char *fmt, ...)
+static int GCC_FMT_ATTR(2, 3)
+monitor_fprintf(FILE *stream, const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
- term_vprintf(fmt, ap);
+ monitor_vprintf((Monitor *)stream, fmt, ap);
va_end(ap);
return 0;
}
-void monitor_disas(CPUState *env,
+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, NULL, monitor_fprintf);
+ 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;
#if defined(TARGET_I386)
if (flags == 2)
disasm_info.mach = bfd_mach_x86_64;
- else if (flags == 1)
+ 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
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
- term_printf("0x" TARGET_FMT_lx
- ": Asm output not supported on this arch\n", pc);
+ 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++) {
- term_printf("0x" TARGET_FMT_lx ": ", pc);
+ monitor_printf(mon, "0x" TARGET_FMT_lx ": ", pc);
count = print_insn(pc, &disasm_info);
- term_printf("\n");
+ monitor_printf(mon, "\n");
if (count < 0)
break;
pc += count;
projects / qemu.git / blobdiff