Module: Peep

Defined in:
lib/peep/peep.rb,
ext/ptrace.c

Defined Under Namespace

Classes: Analysis

Constant Summary collapse

SIZES = 
sizes()
ITEM_OFFSETS = 
item_offsets()
STATS_OFFSETS = 
stats_offsets()
SETTINGS_OFFSETS = 
settings_offsets()

Class Method Summary collapse

Class Method Details

.attach ⇒ Object 



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# File 'ext/ptrace.c', line 100

static VALUE attach (VALUE self, VALUE pid_)
{
  pid_t pid = NUM2INT(pid_);
  if (ptrace (PTRACE_ATTACH, pid, 0, 0))
    fail(pid);
  return Qtrue;
}

.detach ⇒ Object 



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# File 'ext/ptrace.c', line 108

static VALUE detach (VALUE self, VALUE pid_)
{
  pid_t pid = NUM2INT(pid_);
  if (ptrace (PTRACE_DETACH, pid, 0, 0))
    fail(pid);
  return Qtrue;
}

.peek ⇒ Object 



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# File 'ext/ptrace.c', line 116

static VALUE peek (VALUE self, VALUE pid_, VALUE address)
{
  pid_t pid = NUM2INT(pid_);
  long byte = ptrace (PTRACE_PEEKDATA, pid, (void *) NUM2ULONG(address), 0);
  if (byte == -1 && errno)
    fail(pid);
  return ULONG2NUM((unsigned long) byte);
}