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2010-02-24 Phil Muldoon <pmuldoon@redhat.com>

Browse source 
Tom Tromey  <tromey@redhat.com>
	    Thiago Jung Bauermann  <bauerman@br.ibm.com>

	* python/python.c (_initialize_python): Call
	gdbpy_initialize_symtabs, gdbpy_initialize_symbols and
	gdbpy_initialize_blocks.
	* python/python-internal.h: Declare struct symbol, block and
	symtab_and_line.  Declare block_object_type and
	symbol_object_type
	(gdbpy_lookup_symbol gdbpy_block_for_pc)
	(symtab_and_line_to_sal_object, symtab_to_symtab_object)
	(symbol_to_symbol_object,  block_to_block_object)
	(gdbpy_initialize_symtabs,gdbpy_initialize_symbols)
	(gdbpy_initialize_blocks ): Declare.
	* python/py-frame.c (frapy_block, frapy_function, frapy_find_sal)
	(frapy_select): Add methods.
	(frapy_read_var): Add symbol branch.
	* Makefile.in (SUBDIR_PYTHON_OBS): Add py-symbol, py-symtab,
	py-block.
	(SUBDIR_PYTHON_SRCS): Likewise.
	(py-symbol.o): New rule.
	(py-symtab.o): Likewise.
	(py-block.o): Likewise.
	* python/py-symbol.c: New file.
	* python/py-symtab.c: Likewise.
	* python/py-block.c: Likewise.


2010-02-24  Phil Muldoon  <pmuldoon@redhat.com>

	* Makefile.in: Add py-block and py-symbol.
	* gdb.python/py-symbol.exp: New File.
	* gdb.python/py-symtab.exp: New File.
	* gdb.python/py-block.exp: New File.
	* gdb.python/py-symbol.c: New File.
	* gdb.python/py-block.c: New File.


2010-02-24  Phil Muldoon  <pmuldoon@redhat.com>

	* gdb.texinfo (Frames In Python): Add block, find_sal, function
	and select method descriptions.
	(Python API): Add Blocks In Python, Symbols in Python and Symbol
	Tables in Python to menu.
	(Blocks In Python): New node.
	(Symbols In Python): New node.
	(Symbol Tables in Python): New node.
This commit is contained in:
Phil Muldoon 2010-02-24 21:18:28 +00:00
parent 101654612f
commit f3e9a8177c
18 changed files with 2279 additions and 5 deletions
Download patch file Download diff file Expand all files Collapse all files

119
gdb/python/py-frame.c
View file

@ -26,6 +26,8 @@
#include "stack.h"
#include "value.h"
#include "python-internal.h"
#include "symfile.h"
#include "objfiles.h"
typedef struct {
PyObject_HEAD
@ -202,6 +204,64 @@ frapy_pc (PyObject *self, PyObject *args)
return PyLong_FromUnsignedLongLong (pc);
}
/* Implementation of gdb.Frame.block (self) -> gdb.Block.
Returns the frame's code block. */
static PyObject *
frapy_block (PyObject *self, PyObject *args)
{
struct frame_info *frame;
struct block *block = NULL;
volatile struct gdb_exception except;
struct symtab_and_line sal;
TRY_CATCH (except, RETURN_MASK_ALL)
{
FRAPY_REQUIRE_VALID ((frame_object *) self, frame);
find_frame_sal (frame, &sal);
block = block_for_pc (get_frame_address_in_block (frame));
}
GDB_PY_HANDLE_EXCEPTION (except);
if (!sal.symtab || !sal.symtab->objfile)
{
PyErr_SetString (PyExc_RuntimeError,
"Cannot locate object file for block.");
return NULL;
}
if (block)
return block_to_block_object (block, sal.symtab->objfile);
Py_RETURN_NONE;
}
/* Implementation of gdb.Frame.function (self) -> gdb.Symbol.
Returns the symbol for the function corresponding to this frame. */
static PyObject *
frapy_function (PyObject *self, PyObject *args)
{
struct symbol *sym = NULL;
struct frame_info *frame;
volatile struct gdb_exception except;
TRY_CATCH (except, RETURN_MASK_ALL)
{
FRAPY_REQUIRE_VALID ((frame_object *) self, frame);
sym = find_pc_function (get_frame_address_in_block (frame));
}
GDB_PY_HANDLE_EXCEPTION (except);
if (sym)
return symbol_to_symbol_object (sym);
Py_RETURN_NONE;
}
/* Convert a frame_info struct to a Python Frame object.
Sets a Python exception and returns NULL on error. */
@ -296,6 +356,30 @@ frapy_newer (PyObject *self, PyObject *args)
return next_obj;
}
/* Implementation of gdb.Frame.find_sal (self) -> gdb.Symtab_and_line.
Returns the frame's symtab and line. */
static PyObject *
frapy_find_sal (PyObject *self, PyObject *args)
{
struct frame_info *frame;
struct symtab_and_line sal;
struct objfile *objfile = NULL;
volatile struct gdb_exception except;
PyObject *sal_obj = NULL; /* Initialize to appease gcc warning. */
TRY_CATCH (except, RETURN_MASK_ALL)
{
FRAPY_REQUIRE_VALID ((frame_object *) self, frame);
find_frame_sal (frame, &sal);
sal_obj = symtab_and_line_to_sal_object (sal);
}
GDB_PY_HANDLE_EXCEPTION (except);
return sal_obj;
}
/* Implementation of gdb.Frame.read_var_value (self, variable) -> gdb.Value.
Returns the value of the given variable in this frame. The argument must be
a string. Returns None if GDB can't find the specified variable. */
@ -312,7 +396,9 @@ frapy_read_var (PyObject *self, PyObject *args)
if (!PyArg_ParseTuple (args, "O", &sym_obj))
return NULL;
if (gdbpy_is_string (sym_obj))
if (PyObject_TypeCheck (sym_obj, &symbol_object_type))
var = symbol_object_to_symbol (sym_obj);
else if (gdbpy_is_string (sym_obj))
{
char *var_name;
struct block *block = NULL;
@ -365,6 +451,26 @@ frapy_read_var (PyObject *self, PyObject *args)
Py_RETURN_NONE;
}
/* Select this frame. */
static PyObject *
frapy_select (PyObject *self, PyObject *args)
{
struct frame_info *fi;
frame_object *frame = (frame_object *) self;
volatile struct gdb_exception except;
TRY_CATCH (except, RETURN_MASK_ALL)
{
FRAPY_REQUIRE_VALID (frame, fi);
select_frame (fi);
}
GDB_PY_HANDLE_EXCEPTION (except);
Py_RETURN_NONE;
}
/* Implementation of gdb.selected_frame () -> gdb.Frame.
Returns the selected frame object. */
@ -484,15 +590,26 @@ Return the reason why it's not possible to find frames older than this." },
{ "pc", frapy_pc, METH_NOARGS,
"pc () -> Long.\n\
Return the frame's resume address." },
{ "block", frapy_block, METH_NOARGS,
"block () -> gdb.Block.\n\
Return the frame's code block." },
{ "function", frapy_function, METH_NOARGS,
"function () -> gdb.Symbol.\n\
Returns the symbol for the function corresponding to this frame." },
{ "older", frapy_older, METH_NOARGS,
"older () -> gdb.Frame.\n\
Return the frame that called this frame." },
{ "newer", frapy_newer, METH_NOARGS,
"newer () -> gdb.Frame.\n\
Return the frame called by this frame." },
{ "find_sal", frapy_find_sal, METH_NOARGS,
"find_sal () -> gdb.Symtab_and_line.\n\
Return the frame's symtab and line." },
{ "read_var", frapy_read_var, METH_VARARGS,
"read_var (variable) -> gdb.Value.\n\
Return the value of the variable in this frame." },
{ "select", frapy_select, METH_NOARGS,
"Select this frame as the user's current frame." },
{NULL} /* Sentinel */
};