diff options
Diffstat (limited to 'disas.c')
| -rw-r--r-- | disas.c | 43 |
1 files changed, 25 insertions, 18 deletions
@@ -83,18 +83,18 @@ 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); + g_autofree uint8_t *buf = g_malloc(n); + + if (info->read_memory_func(pc, buf, n, info) == 0) { + 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]); } - info->fprintf_func(info->stream, "%02x", buf[i]); + } else { + info->fprintf_func(info->stream, "unable to read memory"); } - - g_free(buf); return n; } @@ -239,7 +239,7 @@ void target_disas(FILE *out, CPUState *cpu, target_ulong code, } } -static int plugin_printf(FILE *stream, const char *fmt, ...) +static int gstring_printf(FILE *stream, const char *fmt, ...) { /* We abuse the FILE parameter to pass a GString. */ GString *s = (GString *)stream; @@ -270,7 +270,7 @@ char *plugin_disas(CPUState *cpu, uint64_t addr, size_t size) GString *ds = g_string_new(NULL); initialize_debug_target(&s, cpu); - s.info.fprintf_func = plugin_printf; + s.info.fprintf_func = gstring_printf; s.info.stream = (FILE *)ds; /* abuse this slot */ s.info.buffer_vma = addr; s.info.buffer_length = size; @@ -358,15 +358,19 @@ void monitor_disas(Monitor *mon, CPUState *cpu, { int count, i; CPUDebug s; + g_autoptr(GString) ds = g_string_new(""); initialize_debug_target(&s, cpu); - s.info.fprintf_func = qemu_fprintf; + s.info.fprintf_func = gstring_printf; + s.info.stream = (FILE *)ds; /* abuse this slot */ + if (is_physical) { s.info.read_memory_func = physical_read_memory; } s.info.buffer_vma = pc; if (s.info.cap_arch >= 0 && cap_disas_monitor(&s.info, pc, nb_insn)) { + monitor_puts(mon, ds->str); return; } @@ -376,13 +380,16 @@ void monitor_disas(Monitor *mon, CPUState *cpu, return; } - for(i = 0; i < nb_insn; i++) { - monitor_printf(mon, "0x" TARGET_FMT_lx ": ", pc); + for (i = 0; i < nb_insn; i++) { + g_string_append_printf(ds, "0x" TARGET_FMT_lx ": ", pc); count = s.info.print_insn(pc, &s.info); - monitor_printf(mon, "\n"); - if (count < 0) - break; + g_string_append_c(ds, '\n'); + if (count < 0) { + break; + } pc += count; } + + monitor_puts(mon, ds->str); } #endif |