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Python: Move and rename gdb.BtraceInstruction

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Remove gdb.BtraceInstruction and replace by gdb.RecordInstruction.
This commit is contained in:
Tim Wiederhake 2017-05-02 11:35:54 +02:00
parent 913aeadd9d
commit 0ed5da759e
7 changed files with 388 additions and 166 deletions
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37
gdb/ChangeLog
View file

@ -1,3 +1,40 @@
2017-05-01 Tim Wiederhake <tim.wiederhake@intel.com>
* python/py-record-btrace.c (BTPY_REQUIRE_VALID_INSN): Remove.
(btpy_object, btpy_insn_type, btpy_new): Remove.
(btpy_list_object): Use gdb.RecordInstruction type instead of
gdb.BtraceInstruction type.
(btrace_insn_from_recpy_insn): New function.
(btpy_insn_or_gap_new): Adjust comment. Use recpy_insn_new instead of
btpy_new.
(btpy_call_new, btpy_list_item): Do not use btpy_new anymore.
(btpy_number, btpy_hash, btpy_call_level, btpy_call_symbol,
btpy_call_instructions, btpy_call_up, btpy_call_prev_sibling,
btpy_call_next_sibling, btpy_richcompare): Use recpy_element_object
instead of btpy_object.
(btpy_insn_sal, btpy_insn_pc, btpy_insn_size, btpy_insn_is_speculative,
btpy_insn_data, btpy_insn_decode): Rename to ...
(recpy_bt_insn_sal, recpy_bt_insn_pc, recpy_bt_insn_size,
recpy_bt_insn_is_speculative, recpy_bt_insn_data,
recpy_bt_insn_decode): This. Also, use new helper functions.
(btpy_list_position, recpy_bt_goto): Use recpy_element_object and
recpy_insn_type.
(btpy_insn_getset): Remove.
(gdbpy_initialize_btrace): Remove code to initialize
gdb.BtraceInstruction. Use recpy_element_object.
* python/py-record-btrace.h (recpy_bt_insn_number, recpy_bt_insn_sal,
recpy_bt_insn_pc, recpy_bt_insn_data, recpy_bt_insn_decoded,
recpy_bt_insn_size, recpy_bt_insn_is_speculative): New export.
* python/py-record.c (recpy_insn_type): New static object.
(recpy_insn_new, recpy_insn_sal, recpy_insn_pc, recpy_insn_data,
recpy_insn_decoded, recpy_insn_size, recpy_insn_is_speculative,
recpy_element_number, recpy_element_hash, recpy_element_richcompare):
New function.
(recpy_insn_getset): New static object.
(gdbpy_initialize_record): Initialize gdb.RecordInstruction.
* python/py-record.h (recpy_element_object): New typedef.
(recpy_insn_type, recpy_insn_new): New export.
2017-05-01 Tim Wiederhake <tim.wiederhake@intel.com>
* py-record-btrace.c (btpy_insn_new): Removed.

5
gdb/doc/ChangeLog
View file

@ -1,3 +1,8 @@
2017-05-01 Tim Wiederhake <tim.wiederhake@intel.com>
* python.texi (Recording in Python): Replace gdb.BtraceInstruction with
gdb.RecordInstruction
2017-05-01 Tim Wiederhake <tim.wiederhake@intel.com>
* python.texi (Recording in Python): Add documentation for

21
gdb/doc/python.texi
View file

@ -3149,41 +3149,38 @@ A @code{gdb.Record} object has the following methods:
Move the replay position to the given @var{instruction}.
@end defun
The attributes and methods of instruction objects depend on the current
recording method. Currently, only btrace instructions are supported.
A @code{gdb.RecordInstruction} object has the following attributes:
A @code{gdb.BtraceInstruction} object has the following attributes:
@defvar BtraceInstruction.number
@defvar RecordInstruction.number
An integer identifying this instruction. @var{number} corresponds to
the numbers seen in @code{record instruction-history}
(@pxref{Process Record and Replay}).
@end defvar
@defvar BtraceInstruction.sal
@defvar RecordInstruction.sal
A @code{gdb.Symtab_and_line} object representing the associated symtab
and line of this instruction. May be @code{None} if no debug information is
available.
@end defvar
@defvar BtraceInstruction.pc
@defvar RecordInstruction.pc
An integer representing this instruction's address.
@end defvar
@defvar BtraceInstruction.data
@defvar RecordInstruction.data
A buffer with the raw instruction data. In Python 3, the return value is a
@code{memoryview} object.
@end defvar
@defvar BtraceInstruction.decoded
@defvar RecordInstruction.decoded
A human readable string with the disassembled instruction.
@end defvar
@defvar BtraceInstruction.size
@defvar RecordInstruction.size
The size of the instruction in bytes.
@end defvar
@defvar BtraceInstruction.is_speculative
@defvar RecordInstruction.is_speculative
A boolean indicating whether the instruction was executed
speculatively.
@end defvar
@ -3230,7 +3227,7 @@ An integer representing the function call's stack level. May be
@end defvar
@defvar BtraceFunctionCall.instructions
A list of @code{gdb.BtraceInstruction} or @code{gdb.RecordGap} objects
A list of @code{gdb.RecordInstruction} or @code{gdb.RecordGap} objects
associated with this function call.
@end defvar

260
gdb/python/py-record-btrace.c
View file

@ -36,16 +36,6 @@
#endif
#define BTPY_REQUIRE_VALID_INSN(obj, iter) \
do { \
struct thread_info *tinfo = find_thread_ptid (obj->ptid); \
if (tinfo == NULL || btrace_is_empty (tinfo)) \
return PyErr_Format (gdbpy_gdb_error, _("Empty branch trace.")); \
if (0 == btrace_find_insn_by_number (&iter, &tinfo->btrace, \
obj->number)) \
return PyErr_Format (gdbpy_gdb_error, _("No such instruction.")); \
} while (0)
#define BTPY_REQUIRE_VALID_CALL(obj, iter) \
do { \
struct thread_info *tinfo = find_thread_ptid (obj->ptid); \
@ -56,20 +46,6 @@
return PyErr_Format (gdbpy_gdb_error, _("No such call segment."));\
} while (0)
/* This can either be a btrace instruction or a function call segment,
depending on the chosen type. */
typedef struct {
PyObject_HEAD
/* The thread this object belongs to. */
ptid_t ptid;
/* Instruction number or function call segment number, depending on the type
of this object. */
Py_ssize_t number;
} btpy_object;
/* Python object for btrace record lists. */
typedef struct {
@ -87,16 +63,10 @@ typedef struct {
/* Stride size. */
Py_ssize_t step;
/* Either &BTPY_CALL_TYPE or &BTPY_INSN_TYPE. */
/* Either &BTPY_CALL_TYPE or &RECPY_INSN_TYPE. */
PyTypeObject* element_type;
} btpy_list_object;
/* Python type for btrace instructions. */
static PyTypeObject btpy_insn_type = {
PyVarObject_HEAD_INIT (NULL, 0)
};
/* Python type for btrace function-calls. */
static PyTypeObject btpy_call_type = {
@ -109,25 +79,50 @@ static PyTypeObject btpy_list_type = {
PyVarObject_HEAD_INIT (NULL, 0)
};
/* Create a new gdb.BtraceInstruction or gdb.BtraceFunctionCall object,
depending on TYPE. */
/* Returns either a btrace_insn for the given Python gdb.RecordInstruction
object or sets an appropriate Python exception and returns NULL. */
static PyObject *
btpy_new (ptid_t ptid, Py_ssize_t number, PyTypeObject* type)
static const btrace_insn *
btrace_insn_from_recpy_insn (const PyObject * const pyobject)
{
btpy_object * const obj = PyObject_New (btpy_object, type);
const btrace_insn *insn;
const recpy_element_object *obj;
thread_info *tinfo;
btrace_insn_iterator iter;
if (obj == NULL)
return NULL;
if (Py_TYPE (pyobject) != &recpy_insn_type)
{
PyErr_Format (gdbpy_gdb_error, _("Must be gdb.RecordInstruction"));
return NULL;
}
obj->ptid = ptid;
obj->number = number;
obj = (const recpy_element_object *) pyobject;
tinfo = find_thread_ptid (obj->ptid);
return (PyObject *) obj;
if (tinfo == NULL || btrace_is_empty (tinfo))
{
PyErr_Format (gdbpy_gdb_error, _("No such instruction."));
return NULL;
}
if (btrace_find_insn_by_number (&iter, &tinfo->btrace, obj->number) == 0)
{
PyErr_Format (gdbpy_gdb_error, _("No such instruction."));
return NULL;
}
insn = btrace_insn_get (&iter);
if (insn == NULL)
{
PyErr_Format (gdbpy_gdb_error, _("Not a valid instruction."));
return NULL;
}
return insn;
}
/* Looks at the recorded item with the number NUMBER and create a
gdb.BtraceInstruction or gdb.RecordGap object for it accordingly. */
gdb.RecordInstruction or gdb.RecordGap object for it accordingly. */
static PyObject *
btpy_insn_or_gap_new (const thread_info *tinfo, Py_ssize_t number)
@ -149,7 +144,7 @@ btpy_insn_or_gap_new (const thread_info *tinfo, Py_ssize_t number)
return recpy_gap_new (err_code, err_string, number);
}
return btpy_new (tinfo->ptid, number, &btpy_insn_type);
return recpy_insn_new (tinfo->ptid, RECORD_METHOD_BTRACE, number);
}
/* Create a new gdb.BtraceFunctionCall object. */
@ -157,7 +152,17 @@ btpy_insn_or_gap_new (const thread_info *tinfo, Py_ssize_t number)
static PyObject *
btpy_call_new (ptid_t ptid, Py_ssize_t number)
{
return btpy_new (ptid, number, &btpy_call_type);
recpy_element_object * const obj = PyObject_New (recpy_element_object,
&btpy_call_type);
if (obj == NULL)
return NULL;
obj->ptid = ptid;
obj->method = RECORD_METHOD_BTRACE;
obj->number = number;
return (PyObject *) obj;
}
/* Create a new gdb.BtraceList object. */
@ -187,7 +192,7 @@ btpy_list_new (ptid_t ptid, Py_ssize_t first, Py_ssize_t last, Py_ssize_t step,
static PyObject *
btpy_number (PyObject *self, void *closure)
{
const btpy_object * const obj = (btpy_object *) self;
const recpy_element_object * const obj = (const recpy_element_object *) self;
return PyInt_FromSsize_t (obj->number);
}
@ -198,27 +203,22 @@ btpy_number (PyObject *self, void *closure)
static Py_hash_t
btpy_hash (PyObject *self)
{
const btpy_object * const obj = (btpy_object *) self;
const recpy_element_object * const obj = (const recpy_element_object *) self;
return obj->number;
}
/* Implementation of BtraceInstruction.sal [gdb.Symtab_and_line].
Return the SAL associated with this instruction. */
/* Implementation of RecordInstruction.sal [gdb.Symtab_and_line] for btrace.
Returns the SAL associated with this instruction. */
static PyObject *
btpy_insn_sal (PyObject *self, void *closure)
PyObject *
recpy_bt_insn_sal (PyObject *self, void *closure)
{
const btpy_object * const obj = (btpy_object *) self;
const struct btrace_insn *insn;
struct btrace_insn_iterator iter;
const btrace_insn * const insn = btrace_insn_from_recpy_insn (self);
PyObject *result = NULL;
BTPY_REQUIRE_VALID_INSN (obj, iter);
insn = btrace_insn_get (&iter);
if (insn == NULL)
return PyErr_Format (gdbpy_gdb_error, _("No such instruction."));
return NULL;
TRY
{
@ -233,59 +233,44 @@ btpy_insn_sal (PyObject *self, void *closure)
return result;
}
/* Implementation of BtraceInstruction.pc [int]. Returns
the instruction address. */
/* Implementation of RecordInstruction.pc [int] for btrace.
Returns the instruction address. */
static PyObject *
btpy_insn_pc (PyObject *self, void *closure)
PyObject *
recpy_bt_insn_pc (PyObject *self, void *closure)
{
const btpy_object * const obj = (btpy_object *) self;
const struct btrace_insn *insn;
struct btrace_insn_iterator iter;
const btrace_insn * const insn = btrace_insn_from_recpy_insn (self);
BTPY_REQUIRE_VALID_INSN (obj, iter);
insn = btrace_insn_get (&iter);
if (insn == NULL)
return PyErr_Format (gdbpy_gdb_error, _("No such instruction."));
return NULL;
return gdb_py_long_from_ulongest (insn->pc);
}
/* Implementation of BtraceInstruction.size [int]. Returns
the instruction size. */
/* Implementation of RecordInstruction.size [int] for btrace.
Returns the instruction size. */
static PyObject *
btpy_insn_size (PyObject *self, void *closure)
PyObject *
recpy_bt_insn_size (PyObject *self, void *closure)
{
const btpy_object * const obj = (btpy_object *) self;
const struct btrace_insn *insn;
struct btrace_insn_iterator iter;
const btrace_insn * const insn = btrace_insn_from_recpy_insn (self);
BTPY_REQUIRE_VALID_INSN (obj, iter);
insn = btrace_insn_get (&iter);
if (insn == NULL)
return PyErr_Format (gdbpy_gdb_error, _("No such instruction."));
return NULL;
return PyInt_FromLong (insn->size);
}
/* Implementation of BtraceInstruction.is_speculative [bool].
/* Implementation of RecordInstruction.is_speculative [bool] for btrace.
Returns if this instruction was executed speculatively. */
static PyObject *
btpy_insn_is_speculative (PyObject *self, void *closure)
PyObject *
recpy_bt_insn_is_speculative (PyObject *self, void *closure)
{
const btpy_object * const obj = (btpy_object *) self;
const struct btrace_insn *insn;
struct btrace_insn_iterator iter;
const btrace_insn * const insn = btrace_insn_from_recpy_insn (self);
BTPY_REQUIRE_VALID_INSN (obj, iter);
insn = btrace_insn_get (&iter);
if (insn == NULL)
return PyErr_Format (gdbpy_gdb_error, _("No such instruction."));
return NULL;
if (insn->flags & BTRACE_INSN_FLAG_SPECULATIVE)
Py_RETURN_TRUE;
@ -293,23 +278,18 @@ btpy_insn_is_speculative (PyObject *self, void *closure)
Py_RETURN_FALSE;
}
/* Implementation of BtraceInstruction.data [buffer].
/* Implementation of RecordInstruction.data [buffer] for btrace.
Returns raw instruction data. */
static PyObject *
btpy_insn_data (PyObject *self, void *closure)
PyObject *
recpy_bt_insn_data (PyObject *self, void *closure)
{
const btpy_object * const obj = (btpy_object *) self;
const struct btrace_insn *insn;
struct btrace_insn_iterator iter;
const btrace_insn * const insn = btrace_insn_from_recpy_insn (self);
gdb_byte *buffer = NULL;
PyObject *object;
BTPY_REQUIRE_VALID_INSN (obj, iter);
insn = btrace_insn_get (&iter);
if (insn == NULL)
return PyErr_Format (gdbpy_gdb_error, _("No such instruction."));
return NULL;
TRY
{
@ -337,22 +317,17 @@ btpy_insn_data (PyObject *self, void *closure)
}
/* Implementation of BtraceInstruction.decode [str]. Returns
the instruction as human readable string. */
/* Implementation of RecordInstruction.decoded [str] for btrace.
Returns the instruction as human readable string. */
static PyObject *
btpy_insn_decode (PyObject *self, void *closure)
PyObject *
recpy_bt_insn_decoded (PyObject *self, void *closure)
{
const btpy_object * const obj = (btpy_object *) self;
const struct btrace_insn *insn;
struct btrace_insn_iterator iter;
const btrace_insn * const insn = btrace_insn_from_recpy_insn (self);
string_file strfile;
BTPY_REQUIRE_VALID_INSN (obj, iter);
insn = btrace_insn_get (&iter);
if (insn == NULL)
return PyErr_Format (gdbpy_gdb_error, _("No such instruction."));
return NULL;
TRY
{
@ -375,7 +350,7 @@ btpy_insn_decode (PyObject *self, void *closure)
static PyObject *
btpy_call_level (PyObject *self, void *closure)
{
const btpy_object * const obj = (btpy_object *) self;
const recpy_element_object * const obj = (const recpy_element_object *) self;
const struct btrace_function *func;
struct btrace_call_iterator iter;
@ -394,7 +369,7 @@ btpy_call_level (PyObject *self, void *closure)
static PyObject *
btpy_call_symbol (PyObject *self, void *closure)
{
const btpy_object * const obj = (btpy_object *) self;
const recpy_element_object * const obj = (const recpy_element_object *) self;
const struct btrace_function *func;
struct btrace_call_iterator iter;
@ -416,7 +391,7 @@ btpy_call_symbol (PyObject *self, void *closure)
static PyObject *
btpy_call_instructions (PyObject *self, void *closure)
{
const btpy_object * const obj = (btpy_object *) self;
const recpy_element_object * const obj = (const recpy_element_object *) self;
const struct btrace_function *func;
struct btrace_call_iterator iter;
unsigned int len;
@ -434,7 +409,7 @@ btpy_call_instructions (PyObject *self, void *closure)
len = 1;
return btpy_list_new (obj->ptid, func->insn_offset, func->insn_offset + len,
1, &btpy_insn_type);
1, &recpy_insn_type);
}
/* Implementation of BtraceFunctionCall.up [gdb.BtraceRecordCall].
@ -443,7 +418,7 @@ btpy_call_instructions (PyObject *self, void *closure)
static PyObject *
btpy_call_up (PyObject *self, void *closure)
{
const btpy_object * const obj = (btpy_object *) self;
const recpy_element_object * const obj = (const recpy_element_object *) self;
const struct btrace_function *func;
struct btrace_call_iterator iter;
@ -465,7 +440,7 @@ btpy_call_up (PyObject *self, void *closure)
static PyObject *
btpy_call_prev_sibling (PyObject *self, void *closure)
{
const btpy_object * const obj = (btpy_object *) self;
const recpy_element_object * const obj = (const recpy_element_object *) self;
const struct btrace_function *func;
struct btrace_call_iterator iter;
@ -487,7 +462,7 @@ btpy_call_prev_sibling (PyObject *self, void *closure)
static PyObject *
btpy_call_next_sibling (PyObject *self, void *closure)
{
const btpy_object * const obj = (btpy_object *) self;
const recpy_element_object * const obj = (const recpy_element_object *) self;
const struct btrace_function *func;
struct btrace_call_iterator iter;
@ -509,8 +484,8 @@ btpy_call_next_sibling (PyObject *self, void *closure)
static PyObject *
btpy_richcompare (PyObject *self, PyObject *other, int op)
{
const btpy_object * const obj1 = (btpy_object *) self;
const btpy_object * const obj2 = (btpy_object *) other;
const recpy_element_object * const obj1 = (recpy_element_object *) self;
const recpy_element_object * const obj2 = (recpy_element_object *) other;
if (Py_TYPE (self) != Py_TYPE (other))
{
@ -564,13 +539,18 @@ btpy_list_item (PyObject *self, Py_ssize_t index)
{
const btpy_list_object * const obj = (btpy_list_object *) self;
struct thread_info * const tinfo = find_thread_ptid (obj->ptid);
Py_ssize_t number;
if (index < 0 || index >= btpy_list_length (self))
return PyErr_Format (PyExc_IndexError, _("Index out of range: %zd."),
index);
return btpy_new (obj->ptid, obj->first + (obj->step * index),
obj->element_type);
number = obj->first + (obj->step * index);
if (obj->element_type == &recpy_insn_type)
return recpy_insn_new (obj->ptid, RECORD_METHOD_BTRACE, number);
else
return btpy_call_new (obj->ptid, number);
}
/* Implementation of BtraceList.__getitem__ (self, slice) -> BtraceList. */
@ -612,7 +592,7 @@ static LONGEST
btpy_list_position (PyObject *self, PyObject *value)
{
const btpy_list_object * const list_obj = (btpy_list_object *) self;
const btpy_object * const obj = (btpy_object *) value;
const recpy_element_object * const obj = (const recpy_element_object *) value;
Py_ssize_t index = obj->number;
if (list_obj->element_type != Py_TYPE (value))
@ -830,7 +810,7 @@ recpy_bt_instruction_history (PyObject *self, void *closure)
btrace_insn_end (&iterator, &tinfo->btrace);
last = btrace_insn_number (&iterator);
return btpy_list_new (record->ptid, first, last, 1, &btpy_insn_type);
return btpy_list_new (record->ptid, first, last, 1, &recpy_insn_type);
}
/* Implementation of
@ -869,7 +849,7 @@ recpy_bt_goto (PyObject *self, PyObject *args)
{
const recpy_record_object * const record = (recpy_record_object *) self;
struct thread_info * const tinfo = find_thread_ptid (record->ptid);
const btpy_object *obj;
const recpy_element_object *obj;
if (tinfo == NULL || btrace_is_empty (tinfo))
return PyErr_Format (gdbpy_gdb_error, _("Empty branch trace."));
@ -877,7 +857,7 @@ recpy_bt_goto (PyObject *self, PyObject *args)
if (!PyArg_ParseTuple (args, "O", &obj))
return NULL;
if (Py_TYPE (obj) != &btpy_insn_type)
if (Py_TYPE (obj) != &recpy_insn_type)
return PyErr_Format (PyExc_TypeError, _("Argument must be instruction."));
TRY
@ -900,22 +880,6 @@ recpy_bt_goto (PyObject *self, PyObject *args)
Py_RETURN_NONE;
}
/* BtraceInstruction members. */
struct gdb_PyGetSetDef btpy_insn_getset[] =
{
{ "number", btpy_number, NULL, "instruction number", NULL},
{ "sal", btpy_insn_sal, NULL, "associated symbol and line", NULL},
{ "pc", btpy_insn_pc, NULL, "instruction address", NULL},
{ "data", btpy_insn_data, NULL, "raw instruction data", NULL},
{ "decoded", btpy_insn_decode, NULL, "decoded instruction or error message \
if the instruction is a gap", NULL},
{ "size", btpy_insn_size, NULL, "instruction size in byte", NULL},
{ "is_speculative", btpy_insn_is_speculative, NULL, "if the instruction was \
executed speculatively", NULL},
{NULL}
};
/* BtraceFunctionCall members. */
static gdb_PyGetSetDef btpy_call_getset[] =
@ -961,18 +925,9 @@ static PyMappingMethods btpy_list_mapping_methods =
int
gdbpy_initialize_btrace (void)
{
btpy_insn_type.tp_new = PyType_GenericNew;
btpy_insn_type.tp_flags = Py_TPFLAGS_DEFAULT;
btpy_insn_type.tp_basicsize = sizeof (btpy_object);
btpy_insn_type.tp_name = "gdb.BtraceInstruction";
btpy_insn_type.tp_doc = "GDB btrace instruction object";
btpy_insn_type.tp_getset = btpy_insn_getset;
btpy_insn_type.tp_richcompare = btpy_richcompare;
btpy_insn_type.tp_hash = btpy_hash;
btpy_call_type.tp_new = PyType_GenericNew;
btpy_call_type.tp_flags = Py_TPFLAGS_DEFAULT;
btpy_call_type.tp_basicsize = sizeof (btpy_object);
btpy_call_type.tp_basicsize = sizeof (recpy_element_object);
btpy_call_type.tp_name = "gdb.BtraceFunctionCall";
btpy_call_type.tp_doc = "GDB btrace call object";
btpy_call_type.tp_getset = btpy_call_getset;
@ -995,8 +950,7 @@ gdbpy_initialize_btrace (void)
btpy_list_mapping_methods.mp_subscript = btpy_list_slice;
if (PyType_Ready (&btpy_insn_type) < 0
|| PyType_Ready (&btpy_call_type) < 0
if (PyType_Ready (&btpy_call_type) < 0
|| PyType_Ready (&btpy_list_type) < 0)
return -1;
else

21
gdb/python/py-record-btrace.h
View file

@ -46,4 +46,25 @@ extern PyObject *recpy_bt_begin (PyObject *self, void *closure);
/* Implementation of record.end [instruction]. */
extern PyObject *recpy_bt_end (PyObject *self, void *closure);
/* Implementation of RecordInstruction.number [int]. */
extern PyObject *recpy_bt_insn_number (PyObject *self, void *closure);
/* Implementation of RecordInstruction.sal [gdb.Symtab_and_line]. */
extern PyObject *recpy_bt_insn_sal (PyObject *self, void *closure);
/* Implementation of RecordInstruction.pc [int]. */
extern PyObject *recpy_bt_insn_pc (PyObject *self, void *closure);
/* Implementation of RecordInstruction.data [buffer]. */
extern PyObject *recpy_bt_insn_data (PyObject *self, void *closure);
/* Implementation of RecordInstruction.decoded [str]. */
extern PyObject *recpy_bt_insn_decoded (PyObject *self, void *closure);
/* Implementation of RecordInstruction.size [int]. */
extern PyObject *recpy_bt_insn_size (PyObject *self, void *closure);
/* Implementation of RecordInstruction.is_speculative [bool]. */
extern PyObject *recpy_bt_insn_is_speculative (PyObject *self, void *closure);
#endif /* GDB_PY_RECORD_BTRACE_H */

185
gdb/python/py-record.c
View file

@ -29,6 +29,12 @@ static PyTypeObject recpy_record_type = {
PyVarObject_HEAD_INIT (NULL, 0)
};
/* Python RecordInstruction type. */
PyTypeObject recpy_insn_type = {
PyVarObject_HEAD_INIT (NULL, 0)
};
/* Python RecordGap type. */
PyTypeObject recpy_gap_type = {
@ -160,6 +166,161 @@ recpy_end (PyObject *self, void* closure)
return PyErr_Format (PyExc_NotImplementedError, _("Not implemented."));
}
/* Create a new gdb.RecordInstruction object. */
PyObject *
recpy_insn_new (ptid_t ptid, enum record_method method, Py_ssize_t number)
{
recpy_element_object * const obj = PyObject_New (recpy_element_object,
&recpy_insn_type);
if (obj == NULL)
return NULL;
obj->ptid = ptid;
obj->method = method;
obj->number = number;
return (PyObject *) obj;
}
/* Implementation of RecordInstruction.sal [gdb.Symtab_and_line]. */
static PyObject *
recpy_insn_sal (PyObject *self, void *closure)
{
const recpy_element_object * const obj = (recpy_element_object *) self;
if (obj->method == RECORD_METHOD_BTRACE)
return recpy_bt_insn_sal (self, closure);
return PyErr_Format (PyExc_NotImplementedError, _("Not implemented."));
}
/* Implementation of RecordInstruction.pc [int]. */
static PyObject *
recpy_insn_pc (PyObject *self, void *closure)
{
const recpy_element_object * const obj = (recpy_element_object *) self;
if (obj->method == RECORD_METHOD_BTRACE)
return recpy_bt_insn_pc (self, closure);
return PyErr_Format (PyExc_NotImplementedError, _("Not implemented."));
}
/* Implementation of RecordInstruction.data [buffer]. */
static PyObject *
recpy_insn_data (PyObject *self, void *closure)
{
const recpy_element_object * const obj = (recpy_element_object *) self;
if (obj->method == RECORD_METHOD_BTRACE)
return recpy_bt_insn_data (self, closure);
return PyErr_Format (PyExc_NotImplementedError, _("Not implemented."));
}
/* Implementation of RecordInstruction.decoded [str]. */
static PyObject *
recpy_insn_decoded (PyObject *self, void *closure)
{
const recpy_element_object * const obj = (recpy_element_object *) self;
if (obj->method == RECORD_METHOD_BTRACE)
return recpy_bt_insn_decoded (self, closure);
return PyErr_Format (PyExc_NotImplementedError, _("Not implemented."));
}
/* Implementation of RecordInstruction.size [int]. */
static PyObject *
recpy_insn_size (PyObject *self, void *closure)
{
const recpy_element_object * const obj = (recpy_element_object *) self;
if (obj->method == RECORD_METHOD_BTRACE)
return recpy_bt_insn_size (self, closure);
return PyErr_Format (PyExc_NotImplementedError, _("Not implemented."));
}
/* Implementation of RecordInstruction.is_speculative [bool]. */
static PyObject *
recpy_insn_is_speculative (PyObject *self, void *closure)
{
const recpy_element_object * const obj = (recpy_element_object *) self;
if (obj->method == RECORD_METHOD_BTRACE)
return recpy_bt_insn_is_speculative (self, closure);
return PyErr_Format (PyExc_NotImplementedError, _("Not implemented."));
}
/* Implementation of RecordInstruction.number [int]. */
static PyObject *
recpy_element_number (PyObject *self, void* closure)
{
const recpy_element_object * const obj = (recpy_element_object *) self;
return PyInt_FromSsize_t (obj->number);
}
/* Implementation of RecordInstruction.__hash__ [int]. */
static Py_hash_t
recpy_element_hash (PyObject *self)
{
const recpy_element_object * const obj = (recpy_element_object *) self;
return obj->number;
}
/* Implementation of operator == and != of RecordInstruction. */
static PyObject *
recpy_element_richcompare (PyObject *self, PyObject *other, int op)
{
const recpy_element_object * const obj1 = (recpy_element_object *) self;
const recpy_element_object * const obj2 = (recpy_element_object *) other;
if (Py_TYPE (self) != Py_TYPE (other))
{
Py_INCREF (Py_NotImplemented);
return Py_NotImplemented;
}
switch (op)
{
case Py_EQ:
if (ptid_equal (obj1->ptid, obj2->ptid)
&& obj1->method == obj2->method
&& obj1->number == obj2->number)
Py_RETURN_TRUE;
else
Py_RETURN_FALSE;
case Py_NE:
if (!ptid_equal (obj1->ptid, obj2->ptid)
|| obj1->method != obj2->method
|| obj1->number != obj2->number)
Py_RETURN_TRUE;
else
Py_RETURN_FALSE;
default:
break;
}
Py_INCREF (Py_NotImplemented);
return Py_NotImplemented;
}
/* Create a new gdb.RecordGap object. */
PyObject *
@ -236,6 +397,20 @@ the current instruction and is used for e.g. record.goto (record.end).", NULL },
{ NULL }
};
/* RecordInstruction member list. */
static gdb_PyGetSetDef recpy_insn_getset[] = {
{ "number", recpy_element_number, NULL, "instruction number", NULL},
{ "sal", recpy_insn_sal, NULL, "associated symbol and line", NULL},
{ "pc", recpy_insn_pc, NULL, "instruction address", NULL},
{ "data", recpy_insn_data, NULL, "raw instruction data", NULL},
{ "decoded", recpy_insn_decoded, NULL, "decoded instruction", NULL},
{ "size", recpy_insn_size, NULL, "instruction size in byte", NULL},
{ "is_speculative", recpy_insn_is_speculative, NULL, "if the instruction was \
executed speculatively", NULL},
{ NULL }
};
/* RecordGap member list. */
static gdb_PyGetSetDef recpy_gap_getset[] = {
@ -258,6 +433,15 @@ gdbpy_initialize_record (void)
recpy_record_type.tp_methods = recpy_record_methods;
recpy_record_type.tp_getset = recpy_record_getset;
recpy_insn_type.tp_new = PyType_GenericNew;
recpy_insn_type.tp_flags = Py_TPFLAGS_DEFAULT;
recpy_insn_type.tp_basicsize = sizeof (recpy_element_object);
recpy_insn_type.tp_name = "gdb.RecordInstruction";
recpy_insn_type.tp_doc = "GDB recorded instruction object";
recpy_insn_type.tp_getset = recpy_insn_getset;
recpy_insn_type.tp_richcompare = recpy_element_richcompare;
recpy_insn_type.tp_hash = recpy_element_hash;
recpy_gap_type.tp_new = PyType_GenericNew;
recpy_gap_type.tp_flags = Py_TPFLAGS_DEFAULT;
recpy_gap_type.tp_basicsize = sizeof (recpy_gap_object);
@ -266,6 +450,7 @@ gdbpy_initialize_record (void)
recpy_gap_type.tp_getset = recpy_gap_getset;
if (PyType_Ready (&recpy_record_type) < 0
|| PyType_Ready (&recpy_insn_type) < 0
|| PyType_Ready (&recpy_gap_type) < 0)
return -1;
else

25
gdb/python/py-record.h
View file

@ -25,7 +25,6 @@
#include "record.h"
/* Python Record object. */
typedef struct
{
PyObject_HEAD
@ -37,6 +36,30 @@ typedef struct
enum record_method method;
} recpy_record_object;
/* Python recorded element object. This is generic enough to represent
recorded instructions as well as recorded function call segments, hence the
generic name. */
typedef struct
{
PyObject_HEAD
/* The ptid this object refers to. */
ptid_t ptid;
/* The current recording method. */
enum record_method method;
/* Element number. */
Py_ssize_t number;
} recpy_element_object;
/* Python RecordInstruction type. */
extern PyTypeObject recpy_insn_type;
/* Create a new gdb.RecordInstruction object. */
extern PyObject *recpy_insn_new (ptid_t ptid, enum record_method method,
Py_ssize_t number);
/* Create a new gdb.RecordGap object. */
extern PyObject *recpy_gap_new (int reason_code, const char *reason_string,
Py_ssize_t number);