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Classes | Defines | Functions | Variables
/home/stan/gdb/src/gdb/python/py-inferior.c File Reference
#include "defs.h"
#include "exceptions.h"
#include "gdbcore.h"
#include "gdbthread.h"
#include "inferior.h"
#include "objfiles.h"
#include "observer.h"
#include "python-internal.h"
#include "arch-utils.h"
#include "language.h"
#include "gdb_signals.h"
#include "py-event.h"
#include "py-stopevent.h"

Go to the source code of this file.

Classes

struct  threadlist_entry
struct  inferior_object
struct  membuf_object

Defines

#define INFPY_REQUIRE_VALID(Inferior)
#define CHARBUFFERPROC_NAME   charbufferproc

Functions

static PyTypeObject
inferior_object_type 		CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF ("inferior_object")
static PyTypeObject
membuf_object_type 		CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF ("membuf_object")
static void python_on_normal_stop (struct bpstats *bs, int print_frame)
static void python_on_resume (ptid_t ptid)
static void python_inferior_exit (struct inferior *inf)
static void python_new_objfile (struct objfile *objfile)
PyObject * inferior_to_inferior_object (struct inferior *inferior)
PyObject * find_inferior_object (int pid)
thread_object * find_thread_object (ptid_t ptid)
static void add_thread_object (struct thread_info *tp)
static void delete_thread_object (struct thread_info *tp, int ignore)
static PyObject * infpy_threads (PyObject *self, PyObject *args)
static PyObject * infpy_get_num (PyObject *self, void *closure)
static PyObject * infpy_get_pid (PyObject *self, void *closure)
static PyObject * infpy_get_was_attached (PyObject *self, void *closure)
static int build_inferior_list (struct inferior *inf, void *arg)
PyObject * gdbpy_inferiors (PyObject *unused, PyObject *unused2)
static PyObject * infpy_read_memory (PyObject *self, PyObject *args, PyObject *kw)
static PyObject * infpy_write_memory (PyObject *self, PyObject *args, PyObject *kw)
static void mbpy_dealloc (PyObject *self)
static PyObject * mbpy_str (PyObject *self)
static Py_ssize_t get_read_buffer (PyObject *self, Py_ssize_t segment, void **ptrptr)
static Py_ssize_t get_write_buffer (PyObject *self, Py_ssize_t segment, void **ptrptr)
static Py_ssize_t get_seg_count (PyObject *self, Py_ssize_t *lenp)
static Py_ssize_t get_char_buffer (PyObject *self, Py_ssize_t segment, char **ptrptr)
static PyObject * infpy_search_memory (PyObject *self, PyObject *args, PyObject *kw)
static PyObject * infpy_is_valid (PyObject *self, PyObject *args)
static void infpy_dealloc (PyObject *obj)
static void py_free_inferior (struct inferior *inf, void *datum)
PyObject * gdbpy_selected_inferior (PyObject *self, PyObject *args)
int gdbpy_initialize_inferior (void)

Variables

static struct inferior_data * infpy_inf_data_key
static PyGetSetDef inferior_object_getset []
static PyMethodDef inferior_object_methods []
static PyTypeObject inferior_object_type
static PyBufferProcs buffer_procs
static PyTypeObject membuf_object_type

Define Documentation

#define CHARBUFFERPROC_NAME   charbufferproc

Definition at line 894 of file py-inferior.c.

#define INFPY_REQUIRE_VALID (   Inferior)
Value:
do {                                                            \
    if (!Inferior->inferior)                                    \
      {                                                         \
        PyErr_SetString (PyExc_RuntimeError,                    \
                         _("Inferior no longer exists."));      \
        return NULL;                                            \
      }                                                         \
  } while (0)

Definition at line 72 of file py-inferior.c.

Referenced by infpy_get_num(), infpy_get_pid(), infpy_get_was_attached(), and infpy_threads().

Function Documentation

static void add_thread_object ( struct thread_info *  tp) [static]

Definition at line 239 of file py-inferior.c.

References create_thread_object(), do_cleanups(), ensure_python_env(), gdb_python_initialized, gdbpy_print_stack(), thread_object::inf_obj, threadlist_entry::next, inferior_object::nthreads, python_gdbarch, python_language, threadlist_entry::thread_obj, inferior_object::threads, and xmalloc().

Referenced by gdbpy_initialize_inferior().

static int build_inferior_list ( struct inferior *  inf,
void *  arg 
) [static]

Definition at line 378 of file py-inferior.c.

References inferior_to_inferior_object(), and Py_DECREF.

Referenced by gdbpy_inferiors().

static PyTypeObject inferior_object_type CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF ( "inferior_object"  ) [static]
static PyTypeObject membuf_object_type CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF ( "membuf_object"  ) [static]
static void delete_thread_object ( struct thread_info *  tp,
int  ignore 
) [static]

Definition at line 272 of file py-inferior.c.

References do_cleanups(), ensure_python_env(), find_inferior_object(), gdb_python_initialized, threadlist_entry::next, inferior_object::nthreads, thread_info::ptid, ptid_get_pid(), Py_DECREF, python_gdbarch, python_language, thread_object::thread, threadlist_entry::thread_obj, inferior_object::threads, and xfree().

Referenced by gdbpy_initialize_inferior().

PyObject* find_inferior_object ( int  pid)

Definition at line 195 of file py-inferior.c.

References find_inferior_pid(), and inferior_to_inferior_object().

Referenced by create_thread_object(), delete_thread_object(), and find_thread_object().

thread_object* find_thread_object ( ptid_t  ptid)

Definition at line 206 of file py-inferior.c.

References find_inferior_object(), threadlist_entry::next, inferior::pid, thread_info::ptid, ptid_equal(), ptid_get_pid(), Py_DECREF, thread_object::thread, and threadlist_entry::thread_obj.

Referenced by gdbpy_selected_thread(), and get_event_thread().

PyObject* gdbpy_inferiors ( PyObject *  unused,
PyObject *  unused2 
)

Definition at line 399 of file py-inferior.c.

References build_inferior_list(), iterate_over_inferiors(), and Py_DECREF.

int gdbpy_initialize_inferior ( void  )

Definition at line 781 of file py-inferior.c.

References add_thread_object(), delete_thread_object(), gdb_module, gdb_pymodule_addobject(), inferior_object_type, infpy_inf_data_key, membuf_object_type, observer_attach_inferior_exit(), observer_attach_new_objfile(), observer_attach_new_thread(), observer_attach_normal_stop(), observer_attach_target_resumed(), observer_attach_thread_exit(), py_free_inferior(), python_inferior_exit(), python_new_objfile(), python_on_normal_stop(), and python_on_resume().

Referenced by _initialize_python().

PyObject* gdbpy_selected_inferior ( PyObject *  self,
PyObject *  args 
)

Definition at line 775 of file py-inferior.c.

References current_inferior(), and inferior_to_inferior_object().

static Py_ssize_t get_char_buffer ( PyObject *  self,
Py_ssize_t  segment,
char **  ptrptr 
) [static]

Definition at line 606 of file py-inferior.c.

References get_read_buffer().

static Py_ssize_t get_read_buffer ( PyObject *  self,
Py_ssize_t  segment,
void **  ptrptr 
) [static]

Definition at line 574 of file py-inferior.c.

References _, membuf_object::buffer, and membuf_object::length.

Referenced by get_char_buffer(), and get_write_buffer().

static Py_ssize_t get_seg_count ( PyObject *  self,
Py_ssize_t *  lenp 
) [static]

Definition at line 597 of file py-inferior.c.

static Py_ssize_t get_write_buffer ( PyObject *  self,
Py_ssize_t  segment,
void **  ptrptr 
) [static]

Definition at line 591 of file py-inferior.c.

References get_read_buffer().

PyObject* inferior_to_inferior_object ( struct inferior *  inferior)

Definition at line 167 of file py-inferior.c.

References inferior_object::inferior, inferior_object_type, infpy_inf_data_key, inferior_object::nthreads, and inferior_object::threads.

Referenced by build_inferior_list(), create_exited_event_object(), find_inferior_object(), and gdbpy_selected_inferior().

static void infpy_dealloc ( PyObject *  obj) [static]

Definition at line 727 of file py-inferior.c.

References inferior_object::inferior, and infpy_inf_data_key.

static PyObject* infpy_get_num ( PyObject *  self,
void *  closure 
) [static]

Definition at line 347 of file py-inferior.c.

References inferior_object::inferior, INFPY_REQUIRE_VALID, and inferior::num.

static PyObject* infpy_get_pid ( PyObject *  self,
void *  closure 
) [static]

Definition at line 357 of file py-inferior.c.

References inferior_object::inferior, INFPY_REQUIRE_VALID, and inferior::pid.

static PyObject* infpy_get_was_attached ( PyObject *  self,
void *  closure 
) [static]

Definition at line 367 of file py-inferior.c.

References inferior::attach_flag, inferior_object::inferior, and INFPY_REQUIRE_VALID.

static PyObject* infpy_is_valid ( PyObject *  self,
PyObject *  args 
) [static]

Definition at line 716 of file py-inferior.c.

References inferior_object::inferior.

static PyObject* infpy_read_memory ( PyObject *  self,
PyObject *  args,
PyObject *  kw 
) [static]

Definition at line 426 of file py-inferior.c.

References membuf_object::addr, membuf_object::buffer, GDB_PY_HANDLE_EXCEPTION, get_addr_from_python(), membuf_object::length, membuf_object_type, Py_DECREF, read_memory(), gdb_exception::reason, RETURN_MASK_ALL, TRY_CATCH, xfree(), and xmalloc().

static PyObject* infpy_search_memory ( PyObject *  self,
PyObject *  args,
PyObject *  kw 
) [static]

Definition at line 628 of file py-inferior.c.

References _, CORE_ADDR_MAX, GDB_PY_HANDLE_EXCEPTION, get_addr_from_python(), RETURN_MASK_ALL, target_search_memory(), and TRY_CATCH.

static PyObject* infpy_threads ( PyObject *  self,
PyObject *  args 
) [static]

Definition at line 318 of file py-inferior.c.

References GDB_PY_HANDLE_EXCEPTION, INFPY_REQUIRE_VALID, threadlist_entry::next, inferior_object::nthreads, RETURN_MASK_ALL, threadlist_entry::thread_obj, inferior_object::threads, TRY_CATCH, and update_thread_list().

static PyObject* infpy_write_memory ( PyObject *  self,
PyObject *  args,
PyObject *  kw 
) [static]

Definition at line 484 of file py-inferior.c.

References GDB_PY_HANDLE_EXCEPTION, get_addr_from_python(), RETURN_MASK_ALL, TRY_CATCH, and write_memory_with_notification().

static void mbpy_dealloc ( PyObject *  self) [static]

Definition at line 537 of file py-inferior.c.

References xfree().

static PyObject* mbpy_str ( PyObject *  self) [static]

Definition at line 545 of file py-inferior.c.

References _, membuf_object::addr, membuf_object::length, paddress(), pulongest(), and python_gdbarch.

static void py_free_inferior ( struct inferior *  inf,
void *  datum 
) [static]

Definition at line 741 of file py-inferior.c.

References do_cleanups(), ensure_python_env(), gdb_python_initialized, inferior_object::inferior, threadlist_entry::next, inferior_object::nthreads, Py_DECREF, python_gdbarch, python_language, threadlist_entry::thread_obj, inferior_object::threads, and xfree().

Referenced by gdbpy_initialize_inferior().

static void python_inferior_exit ( struct inferior *  inf) [static]

Definition at line 121 of file py-inferior.c.

References current_language, do_cleanups(), emit_exited_event(), ensure_python_env(), inferior::exit_code, gdb_python_initialized, gdbpy_print_stack(), inferior::has_exit_code, LONGEST, and target_gdbarch().

Referenced by gdbpy_initialize_inferior().

static void python_new_objfile ( struct objfile *  objfile) [static]

Definition at line 144 of file py-inferior.c.

References current_language, do_cleanups(), emit_new_objfile_event(), ensure_python_env(), gdb_python_initialized, gdbpy_print_stack(), and get_objfile_arch().

Referenced by gdbpy_initialize_inferior().

static void python_on_normal_stop ( struct bpstats *  bs,
int  print_frame 
) [static]

Definition at line 83 of file py-inferior.c.

References current_language, do_cleanups(), emit_stop_event(), ensure_python_env(), find_thread_ptid(), gdb_python_initialized, gdbpy_print_stack(), get_current_arch(), inferior_ptid, inferior_thread(), thread_suspend_state::stop_signal, and thread_info::suspend.

Referenced by gdbpy_initialize_inferior().

static void python_on_resume ( ptid_t  ptid) [static]

Definition at line 105 of file py-inferior.c.

References current_language, do_cleanups(), emit_continue_event(), ensure_python_env(), gdb_python_initialized, gdbpy_print_stack(), and target_gdbarch().

Referenced by gdbpy_initialize_inferior().

Variable Documentation

PyBufferProcs buffer_procs [static]
Initial value:
 {
  get_read_buffer,
  get_write_buffer,
  get_seg_count,
  
  (CHARBUFFERPROC_NAME) get_char_buffer
}

Definition at line 897 of file py-inferior.c.

PyGetSetDef inferior_object_getset[] [static]
Initial value:
{
  { "num", infpy_get_num, NULL, "ID of inferior, as assigned by GDB.", NULL },
  { "pid", infpy_get_pid, NULL, "PID of inferior, as assigned by the OS.",
    NULL },
  { "was_attached", infpy_get_was_attached, NULL,
    "True if the inferior was created using 'attach'.", NULL },
  { NULL }
}

Definition at line 808 of file py-inferior.c.

PyMethodDef inferior_object_methods[] [static]
Initial value:
{
  { "is_valid", infpy_is_valid, METH_NOARGS,
    "is_valid () -> Boolean.\n\
Return true if this inferior is valid, false if not." },
  { "threads", infpy_threads, METH_NOARGS,
    "Return all the threads of this inferior." },
  { "read_memory", (PyCFunction) infpy_read_memory,
    METH_VARARGS | METH_KEYWORDS,
    "read_memory (address, length) -> buffer\n\
Return a buffer object for reading from the inferior's memory." },
  { "write_memory", (PyCFunction) infpy_write_memory,
    METH_VARARGS | METH_KEYWORDS,
    "write_memory (address, buffer [, length])\n\
Write the given buffer object to the inferior's memory." },
  { "search_memory", (PyCFunction) infpy_search_memory,
    METH_VARARGS | METH_KEYWORDS,
    "search_memory (address, length, pattern) -> long\n\
Return a long with the address of a match, or None." },
  { NULL }
}

Definition at line 818 of file py-inferior.c.

PyTypeObject inferior_object_type [static]

Definition at line 840 of file py-inferior.c.

Referenced by gdbpy_initialize_inferior(), and inferior_to_inferior_object().

struct inferior_data* infpy_inf_data_key [static]

Definition at line 57 of file py-inferior.c.

Referenced by gdbpy_initialize_inferior(), inferior_to_inferior_object(), and infpy_dealloc().

PyTypeObject membuf_object_type [static]

Definition at line 907 of file py-inferior.c.

Referenced by gdbpy_initialize_inferior(), and infpy_read_memory().

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