mirror of
https://github.com/qemu/qemu.git
synced 2024-12-12 05:03:42 +08:00
13af3af196
Fixes: 83b4613ba8 ("disas: introduce show_opcodes")
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
67 lines
1.7 KiB
C
67 lines
1.7 KiB
C
/*
|
|
* Functions related to disassembly from the monitor
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0-or-later
|
|
*/
|
|
|
|
#include "qemu/osdep.h"
|
|
#include "disas-internal.h"
|
|
#include "disas/disas.h"
|
|
#include "exec/memory.h"
|
|
#include "hw/core/cpu.h"
|
|
#include "monitor/monitor.h"
|
|
|
|
static int
|
|
physical_read_memory(bfd_vma memaddr, bfd_byte *myaddr, int length,
|
|
struct disassemble_info *info)
|
|
{
|
|
CPUDebug *s = container_of(info, CPUDebug, info);
|
|
MemTxResult res;
|
|
|
|
res = address_space_read(s->cpu->as, memaddr, MEMTXATTRS_UNSPECIFIED,
|
|
myaddr, length);
|
|
return res == MEMTX_OK ? 0 : EIO;
|
|
}
|
|
|
|
/* Disassembler for the monitor. */
|
|
void monitor_disas(Monitor *mon, CPUState *cpu, uint64_t pc,
|
|
int nb_insn, bool is_physical)
|
|
{
|
|
int count, i;
|
|
CPUDebug s;
|
|
g_autoptr(GString) ds = g_string_new("");
|
|
|
|
disas_initialize_debug_target(&s, cpu);
|
|
s.info.fprintf_func = disas_gstring_printf;
|
|
s.info.stream = (FILE *)ds; /* abuse this slot */
|
|
s.info.show_opcodes = true;
|
|
|
|
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;
|
|
}
|
|
|
|
if (!s.info.print_insn) {
|
|
monitor_printf(mon, "0x%08" PRIx64
|
|
": Asm output not supported on this arch\n", pc);
|
|
return;
|
|
}
|
|
|
|
for (i = 0; i < nb_insn; i++) {
|
|
g_string_append_printf(ds, "0x%08" PRIx64 ": ", pc);
|
|
count = s.info.print_insn(pc, &s.info);
|
|
g_string_append_c(ds, '\n');
|
|
if (count < 0) {
|
|
break;
|
|
}
|
|
pc += count;
|
|
}
|
|
|
|
monitor_puts(mon, ds->str);
|
|
}
|