C++ (Cpp) find_probe_by_pc示例

示例#1

文件： break-catch-throw.c 项目： heiher/binutils-mips

static void
fetch_probe_arguments (struct value **arg0, struct value **arg1)
{
  struct frame_info *frame = get_selected_frame (_("No frame selected"));
  CORE_ADDR pc = get_frame_pc (frame);
  struct bound_probe pc_probe;
  const struct sym_probe_fns *pc_probe_fns;
  unsigned n_args;

  pc_probe = find_probe_by_pc (pc);
  if (pc_probe.probe == NULL
      || strcmp (pc_probe.probe->provider, "libstdcxx") != 0
      || (strcmp (pc_probe.probe->name, "catch") != 0
	  && strcmp (pc_probe.probe->name, "throw") != 0
	  && strcmp (pc_probe.probe->name, "rethrow") != 0))
    error (_("not stopped at a C++ exception catchpoint"));

  n_args = get_probe_argument_count (pc_probe.probe, frame);
  if (n_args < 2)
    error (_("C++ exception catchpoint has too few arguments"));

  if (arg0 != NULL)
    *arg0 = evaluate_probe_argument (pc_probe.probe, 0, frame);
  *arg1 = evaluate_probe_argument (pc_probe.probe, 1, frame);

  if ((arg0 != NULL && *arg0 == NULL) || *arg1 == NULL)
    error (_("error computing probe argument at c++ exception catchpoint"));
}

示例#2

文件： break-catch-throw.c 项目： sifive/riscv-binutils-gdb

static void
fetch_probe_arguments (struct value **arg0, struct value **arg1)
{
  struct frame_info *frame = get_selected_frame (_("No frame selected"));
  CORE_ADDR pc = get_frame_pc (frame);
  struct bound_probe pc_probe;
  unsigned n_args;

  pc_probe = find_probe_by_pc (pc);
  if (pc_probe.prob == NULL
      || pc_probe.prob->get_provider () != "libstdcxx"
      || (pc_probe.prob->get_name () != "catch"
	  && pc_probe.prob->get_name () != "throw"
	  && pc_probe.prob->get_name () != "rethrow"))
    error (_("not stopped at a C++ exception catchpoint"));

  n_args = pc_probe.prob->get_argument_count (frame);
  if (n_args < 2)
    error (_("C++ exception catchpoint has too few arguments"));

  if (arg0 != NULL)
    *arg0 = pc_probe.prob->evaluate_argument (0, frame);
  *arg1 = pc_probe.prob->evaluate_argument (1, frame);

  if ((arg0 != NULL && *arg0 == NULL) || *arg1 == NULL)
    error (_("error computing probe argument at c++ exception catchpoint"));
}