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disas: generalise plugin_printf and use for monitor_disas

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Rather than assembling our output piecemeal lets use the same approach
as the plugin disas interface to build the disassembly string before
printing it.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220929114231.583801-34-alex.bennee@linaro.org>
This commit is contained in:
Alex Bennée 2022-09-29 12:42:13 +01:00
parent bf0c50d4aa
commit 4332099f0e
1 changed files with 15 additions and 8 deletions
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23
disas.c
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@ -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