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Expose frames to Python.
	* Makefile.in (SUBDIR_PYTHON_OBS): Add python-frame.o.
	(SUBDIR_PYTHON_SRCS): Add python-frame.c.
	(python-frame.o): New target.
	* python/python-frame.c: New file.
	* python/python-internal.h (gdbpy_frames, gdbpy_newest_frame,
	gdbpy_frame_stop_reason_string, gdbpy_selected_frame,
	gdbpy_initialize_frames): New prototypes.
	* python/python.c (_initialize_python): Call gdbpy_initialize_frames.
	(GdbMethods): Add `selected_frame' and `frame_stop_reason_string'
	entries.
	* stack.c (find_frame_funname): New function, factored out of
	print_frame.
	(print_frame): Call find_frame_funname.
	* stack.h (find_frame_funname): Add prototype.

gdb/doc/
	* gdb.texinfo (Frames in Python): New node.
	(Python API): Update.

gdb/testsuite/
	* gdb.python/python-frame.c: New file.
	* gdb.python/python-frame.exp: New file.
This commit is contained in:
Thiago Jung Bauermann
2009-03-30 19:54:33 +00:00
parent d460e92e41
commit f8f6f20b6e
12 changed files with 801 additions and 21 deletions
Download Patch File Download Diff File Expand all files Collapse all files

55
gdb/stack.c
View File

@ -644,20 +644,16 @@ print_frame_info (struct frame_info *frame, int print_level,
gdb_flush (gdb_stdout);
}
static void
print_frame (struct frame_info *frame, int print_level,
enum print_what print_what, int print_args,
struct symtab_and_line sal)
/* Attempt to obtain the FUNNAME and FUNLANG of the function corresponding
to FRAME. */
void
find_frame_funname (struct frame_info *frame, char **funname,
enum language *funlang)
{
struct symbol *func;
char *funname = NULL;
enum language funlang = language_unknown;
struct ui_stream *stb;
struct cleanup *old_chain, *list_chain;
struct value_print_options opts;
stb = ui_out_stream_new (uiout);
old_chain = make_cleanup_ui_out_stream_delete (stb);
*funname = NULL;
*funlang = language_unknown;
func = find_pc_function (get_frame_address_in_block (frame));
if (func)
@ -690,24 +686,24 @@ print_frame (struct frame_info *frame, int print_level,
/* We also don't know anything about the function besides
its address and name. */
func = 0;
funname = SYMBOL_PRINT_NAME (msymbol);
funlang = SYMBOL_LANGUAGE (msymbol);
*funname = SYMBOL_PRINT_NAME (msymbol);
*funlang = SYMBOL_LANGUAGE (msymbol);
}
else
{
funname = SYMBOL_PRINT_NAME (func);
funlang = SYMBOL_LANGUAGE (func);
if (funlang == language_cplus)
*funname = SYMBOL_PRINT_NAME (func);
*funlang = SYMBOL_LANGUAGE (func);
if (*funlang == language_cplus)
{
/* It seems appropriate to use SYMBOL_PRINT_NAME() here,
to display the demangled name that we already have
stored in the symbol table, but we stored a version
with DMGL_PARAMS turned on, and here we don't want to
display parameters. So remove the parameters. */
char *func_only = cp_remove_params (funname);
char *func_only = cp_remove_params (*funname);
if (func_only)
{
funname = func_only;
*funname = func_only;
make_cleanup (xfree, func_only);
}
}
@ -720,10 +716,27 @@ print_frame (struct frame_info *frame, int print_level,
if (msymbol != NULL)
{
funname = SYMBOL_PRINT_NAME (msymbol);
funlang = SYMBOL_LANGUAGE (msymbol);
*funname = SYMBOL_PRINT_NAME (msymbol);
*funlang = SYMBOL_LANGUAGE (msymbol);
}
}
}
static void
print_frame (struct frame_info *frame, int print_level,
enum print_what print_what, int print_args,
struct symtab_and_line sal)
{
char *funname = NULL;
enum language funlang = language_unknown;
struct ui_stream *stb;
struct cleanup *old_chain, *list_chain;
struct value_print_options opts;
stb = ui_out_stream_new (uiout);
old_chain = make_cleanup_ui_out_stream_delete (stb);
find_frame_funname (frame, &funname, &funlang);
annotate_frame_begin (print_level ? frame_relative_level (frame) : 0,
get_frame_pc (frame));
@ -759,7 +772,7 @@ print_frame (struct frame_info *frame, int print_level,
struct print_args_args args;
struct cleanup *args_list_chain;
args.frame = frame;
args.func = func;
args.func = find_pc_function (get_frame_address_in_block (frame));
args.stream = gdb_stdout;
args_list_chain = make_cleanup_ui_out_list_begin_end (uiout, "args");
catch_errors (print_args_stub, &args, "", RETURN_MASK_ERROR);