#include "defs.h"
#include "arch-utils.h"
#include "frame-unwind.h"
#include "gdb_obstack.h"
#include "gdbcmd.h"
#include "language.h"
#include "observer.h"
#include "python-internal.h"
#include "regcache.h"
#include "valprint.h"
#include "user-regs.h"
#include "py-ref.h"

Classes
struct	pending_frame_object

struct	saved_reg

struct	unwind_info_object

struct	cached_frame_info

struct	pyuw_gdbarch_data_type

Macros
#define	TRACE_PY_UNWIND(level, args...)

Functions
	DEF_VEC_O (saved_reg)

PyTypeObject pending_frame_object_type	CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF ("pending_frame_object")

PyTypeObject unwind_info_object_type	CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF ("unwind_info_object")

static int	pyuw_parse_register_id (struct gdbarch gdbarch, PyObject pyo_reg_id, int *reg_num)

static int	pyuw_value_obj_to_pointer (PyObject pyo_value, CORE_ADDR addr)

static int	pyuw_object_attribute_to_pointer (PyObject pyo, const char attr_name, CORE_ADDR *addr)

static PyObject *	unwind_infopy_str (PyObject *self)

static PyObject *	pyuw_create_unwind_info (PyObject *pyo_pending_frame, struct frame_id frame_id)

static PyObject *	unwind_infopy_add_saved_register (PyObject self, PyObject args)

static void	unwind_infopy_dealloc (PyObject *self)

static PyObject *	pending_framepy_str (PyObject *self)

static PyObject *	pending_framepy_read_register (PyObject self, PyObject args)

static PyObject *	pending_framepy_create_unwind_info (PyObject self, PyObject args)

static void	pyuw_this_id (struct frame_info this_frame, void cache_ptr, struct frame_id this_id)

static struct value *	pyuw_prev_register (struct frame_info this_frame, void *cache_ptr, int regnum)

static int	pyuw_sniffer (const struct frame_unwind self, struct frame_info this_frame, void **cache_ptr)

static void	pyuw_dealloc_cache (struct frame_info this_frame, void cache)

static void *	pyuw_gdbarch_data_init (struct gdbarch *gdbarch)

static void	pyuw_on_new_gdbarch (struct gdbarch *newarch)

int	gdbpy_initialize_unwind (void)

Variables
static unsigned int	pyuw_debug = 0

static struct gdbarch_data *	pyuw_gdbarch_data

static PyMethodDef	pending_frame_object_methods []

PyTypeObject	pending_frame_object_type

static PyMethodDef	unwind_info_object_methods []

PyTypeObject	unwind_info_object_type

Macro Definition Documentation

◆ TRACE_PY_UNWIND

#define TRACE_PY_UNWIND	(	level,
		args...
	)

Value:

if (pyuw_debug >= level) \

{ fprintf_unfiltered (gdb_stdlog, args); }

pyuw_debug

static unsigned int pyuw_debug

Definition: py-unwind.c:96

fprintf_unfiltered

void fprintf_unfiltered(struct ui_file *stream, const char *format,...)

Definition: utils.c:2018

gdb_stdlog

#define gdb_stdlog

Definition: utils.h:349

Definition at line 33 of file py-unwind.c.

Referenced by pyuw_dealloc_cache(), pyuw_prev_register(), and pyuw_sniffer().

Function Documentation

◆ CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF() [1/2]

PyTypeObject pending_frame_object_type CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF ( "pending_frame_object" )

◆ CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF() [2/2]

PyTypeObject unwind_info_object_type CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF ( "unwind_info_object" )

◆ DEF_VEC_O()

DEF_VEC_O ( saved_reg )

◆ gdbpy_initialize_unwind()

int gdbpy_initialize_unwind ( void )

Definition at line 653 of file py-unwind.c.

References _, add_setshow_zuinteger_cmd(), class_maintenance, gdb_module, gdb_pymodule_addobject(), gdbarch_data_register_post_init(), observer_attach_architecture_changed(), pending_frame_object_type, pyuw_debug, pyuw_gdbarch_data, pyuw_gdbarch_data_init(), pyuw_on_new_gdbarch(), setdebuglist, showdebuglist, and unwind_info_object_type.

Referenced by do_start_initialization().

◆ pending_framepy_create_unwind_info()

static PyObject* pending_framepy_create_unwind_info	(	PyObject *	self,
		PyObject *	args
	)

static

Definition at line 421 of file py-unwind.c.

References _, frame_id_build(), frame_id_build_special(), frame_id_build_wild(), pyuw_create_unwind_info(), and pyuw_object_attribute_to_pointer().

◆ pending_framepy_read_register()

static PyObject* pending_framepy_read_register	(	PyObject *	self,
		PyObject *	args
	)

static

Definition at line 374 of file py-unwind.c.

References CATCH, END_CATCH, pending_frame_object::frame_info, GDB_PY_HANDLE_EXCEPTION, pending_frame_object::gdbarch, pyuw_parse_register_id(), regnum, RETURN_MASK_ALL, TRY, value_of_register(), and value_to_value_object().

◆ pending_framepy_str()

static PyObject* pending_framepy_str ( PyObject * self )

static

Definition at line 348 of file py-unwind.c.

References CATCH, core_addr_to_string_nz(), END_CATCH, GDB_PY_HANDLE_EXCEPTION, get_frame_pc(), get_frame_sp(), RETURN_MASK_ALL, and TRY.

◆ pyuw_create_unwind_info()

static PyObject* pyuw_create_unwind_info	(	PyObject *	pyo_pending_frame,
		struct frame_id	frame_id
	)

static

Definition at line 237 of file py-unwind.c.

References unwind_info_object::frame_id, unwind_info_object::pending_frame, unwind_info_object_type, and VEC_alloc.

Referenced by pending_framepy_create_unwind_info().

◆ pyuw_dealloc_cache()

static void pyuw_dealloc_cache	(	struct frame_info *	this_frame,
		void *	cache
	)

static

Definition at line 600 of file py-unwind.c.

References cached_reg::data, cached_frame_info::reg, cached_frame_info::reg_count, TRACE_PY_UNWIND, and xfree().

Referenced by pyuw_on_new_gdbarch().

◆ pyuw_gdbarch_data_init()

static void* pyuw_gdbarch_data_init ( struct gdbarch * gdbarch )

static

Definition at line 618 of file py-unwind.c.

References GDBARCH_OBSTACK_ZALLOC.

Referenced by gdbpy_initialize_unwind().

◆ pyuw_object_attribute_to_pointer()

static int pyuw_object_attribute_to_pointer	(	PyObject *	pyo,
		const char *	attr_name,
		CORE_ADDR *	addr
	)

static

Definition at line 164 of file py-unwind.c.

References _, gdb::ref_ptr< T, Policy >::get(), PyObject_GetAttrString, PyObject_HasAttrString, and pyuw_value_obj_to_pointer().

Referenced by pending_framepy_create_unwind_info().

◆ pyuw_on_new_gdbarch()

static void pyuw_on_new_gdbarch ( struct gdbarch * newarch )

static

◆ pyuw_parse_register_id()

static int pyuw_parse_register_id	(	struct gdbarch *	gdbarch,
		PyObject *	pyo_reg_id,
		int *	reg_num
	)

static

Definition at line 104 of file py-unwind.c.

References gdb_py_int_as_long(), gdbpy_is_string(), gdbpy_obj_to_string(), user_reg_map_name_to_regnum(), and user_reg_map_regnum_to_name().

Referenced by pending_framepy_read_register(), and unwind_infopy_add_saved_register().

◆ pyuw_prev_register()

static struct value* pyuw_prev_register	(	struct frame_info *	this_frame,
		void **	cache_ptr,
		int	regnum
	)

static

Definition at line 473 of file py-unwind.c.

References cached_reg::data, frame_unwind_got_bytes(), frame_unwind_got_optimized(), cached_reg::num, cached_frame_info::reg, cached_frame_info::reg_count, regnum, and TRACE_PY_UNWIND.

Referenced by pyuw_on_new_gdbarch().

◆ pyuw_sniffer()

static int pyuw_sniffer	(	const struct frame_unwind *	self,
		struct frame_info *	this_frame,
		void **	cache_ptr
	)

static

◆ pyuw_this_id()

static void pyuw_this_id	(	struct frame_info *	this_frame,
		void **	cache_ptr,
		struct frame_id *	this_id
	)

static

Definition at line 458 of file py-unwind.c.

References fprint_frame_id(), fprintf_unfiltered(), gdb_stdlog, and pyuw_debug.

Referenced by pyuw_on_new_gdbarch().

◆ pyuw_value_obj_to_pointer()

static int pyuw_value_obj_to_pointer	(	PyObject *	pyo_value,
		CORE_ADDR *	addr
	)

static

Definition at line 135 of file py-unwind.c.

References CATCH, END_CATCH, gdbpy_convert_exception(), RETURN_MASK_ALL, TRY, unpack_pointer(), value_contents(), value_object_to_value(), and value_type().

Referenced by pyuw_object_attribute_to_pointer().

◆ unwind_infopy_add_saved_register()

static PyObject* unwind_infopy_add_saved_register	(	PyObject *	self,
		PyObject *	args
	)

static

Definition at line 260 of file py-unwind.c.

References pending_frame_object::frame_info, pending_frame_object::gdbarch, unwind_info_object::pending_frame, Py_DECREF, pyuw_parse_register_id(), value::reg, register_size(), regnum, TYPE_LENGTH, value_object_to_value(), value_type(), VEC_iterate, and VEC_safe_push.

◆ unwind_infopy_dealloc()

static void unwind_infopy_dealloc ( PyObject * self )

static

Definition at line 331 of file py-unwind.c.

References unwind_info_object::pending_frame, Py_DECREF, Py_TYPE, value::reg, VEC_free, and VEC_iterate.

◆ unwind_infopy_str()

static PyObject* unwind_infopy_str ( PyObject * self )

static

Definition at line 190 of file py-unwind.c.

References string_file::c_str(), CATCH, END_CATCH, fprint_frame_id(), unwind_info_object::frame_id, GDB_PY_HANDLE_EXCEPTION, get_user_print_options(), ui_file::printf(), ui_file::puts(), RETURN_MASK_ALL, TRY, value_object_to_value(), value_print(), and VEC_iterate.

Variable Documentation

◆ pending_frame_object_methods

PyMethodDef pending_frame_object_methods[]

static

Initial value:

=
{
  { "read_register", pending_framepy_read_register, METH_VARARGS,
    "read_register (REG) -> gdb.Value\n"
    "Return the value of the REG in the frame." },
  { "create_unwind_info",
    pending_framepy_create_unwind_info, METH_VARARGS,
    "create_unwind_info (FRAME_ID) -> gdb.UnwindInfo\n"
    "Construct UnwindInfo for this PendingFrame, using FRAME_ID\n"
    "to identify it." },
  {NULL}  
}

Definition at line 681 of file py-unwind.c.

◆ pending_frame_object_type

PyTypeObject pending_frame_object_type

Definition at line 694 of file py-unwind.c.

Referenced by gdbpy_initialize_unwind(), and pyuw_sniffer().

◆ pyuw_debug

unsigned int pyuw_debug = 0

static

Definition at line 96 of file py-unwind.c.

Referenced by gdbpy_initialize_unwind(), and pyuw_this_id().

◆ pyuw_gdbarch_data

struct gdbarch_data* pyuw_gdbarch_data

static

Definition at line 98 of file py-unwind.c.

Referenced by gdbpy_initialize_unwind(), and pyuw_on_new_gdbarch().

◆ unwind_info_object_methods

PyMethodDef unwind_info_object_methods[]

static

Initial value:

=
{
  { "add_saved_register",
    unwind_infopy_add_saved_register, METH_VARARGS,
    "add_saved_register (REG, VALUE) -> None\n"
    "Set the value of the REG in the previous frame to VALUE." },
  { NULL }  
}

Definition at line 735 of file py-unwind.c.

◆ unwind_info_object_type

PyTypeObject unwind_info_object_type

Definition at line 744 of file py-unwind.c.

Referenced by gdbpy_initialize_unwind(), pyuw_create_unwind_info(), and pyuw_sniffer().

Classes

Macros

Functions

Variables

Macro Definition Documentation

◆ TRACE_PY_UNWIND

Function Documentation

◆ CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF() [1/2]

◆ CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF() [2/2]

◆ DEF_VEC_O()

◆ gdbpy_initialize_unwind()

◆ pending_framepy_create_unwind_info()

◆ pending_framepy_read_register()

◆ pending_framepy_str()

◆ pyuw_create_unwind_info()

◆ pyuw_dealloc_cache()

◆ pyuw_gdbarch_data_init()

◆ pyuw_object_attribute_to_pointer()

◆ pyuw_on_new_gdbarch()

◆ pyuw_parse_register_id()

◆ pyuw_prev_register()

◆ pyuw_sniffer()

◆ pyuw_this_id()

◆ pyuw_value_obj_to_pointer()

◆ unwind_infopy_add_saved_register()

◆ unwind_infopy_dealloc()

◆ unwind_infopy_str()

Variable Documentation

◆ pending_frame_object_methods

◆ pending_frame_object_type

◆ pyuw_debug

◆ pyuw_gdbarch_data

◆ unwind_info_object_methods

◆ unwind_info_object_type