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authorPhil Muldoon <pmuldoon@redhat.com>2011-10-20 12:31:30 +0000
committerPhil Muldoon <pmuldoon@redhat.com>2011-10-20 12:31:30 +0000
commit9df2fbc4c1a6c94711bc9393b8f5ff8f77dcd8f5 (patch)
tree5a792741ff5c031147b8d3b26cd24beaac8e5c48
parent5468810dda30d115069fc8fa41e68ed2caa34fc1 (diff)
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2011-10-20 Phil Muldoon <pmuldoon@redhat.com>
PR python/12656 * python/py-frame.c (frapy_read_var): Use const struct *block. * python/py-type.c (typy_lookup_typename): Likewise. (typy_lookup_type): Likewise. (typy_legacy_template_argument): Likewise. (typy_template_argument): Likewise. (gdbpy_lookup_type): Likewise. * python/py-symbol.c (gdbpy_lookup_symbol): Likewise. * python/py-block.c (blpy_block_object): Likewise. (blpy_iter): Likewise. (blpy_get_start): Likewise. (blpy_get_end): Likewise. (blpy_get_function): Likewise. (blpy_get_superblock): Likewise. (set_block): Likewise. (block_to_block_object): Likewise. (block_object_to_block): Likewise. (blpy_is_valid): Likewise. (blpy_get_global_block): New function. (blpy_get_static_block): New function. (blpy_is_global): New function. (blpy_is_static): New function. * blockframe.c (block_innermost_frame): Likewise. * valops.c (value_of_variable): Likewise. * frame.h: Update prototypes. * python/python-internal.h: Likewise. * value.h: Likewise. 2011-10-20 Phil Muldoon <pmuldoon@redhat.com> PR python/12656 * gdb.texinfo (Blocks In Python): Document is_static, is_global, global_block, static_block function. 2011-10-20 Phil Muldoon <pmuldoon@redhat.com> PR python/12656 * gdb.python/py-block.exp: Add is_global, is_static, static_block, global_block tests.
-rw-r--r--gdb/ChangeLog31
-rw-r--r--gdb/NEWS5
-rw-r--r--gdb/blockframe.c2
-rw-r--r--gdb/doc/ChangeLog7
-rw-r--r--gdb/doc/gdb.texinfo21
-rw-r--r--gdb/frame.h2
-rw-r--r--gdb/python/py-block.c101
-rw-r--r--gdb/python/py-frame.c2
-rw-r--r--gdb/python/py-symbol.c2
-rw-r--r--gdb/python/py-type.c10
-rw-r--r--gdb/python/python-internal.h5
-rw-r--r--gdb/testsuite/ChangeLog7
-rw-r--r--gdb/testsuite/gdb.python/py-block.exp10
-rw-r--r--gdb/valops.c2
-rw-r--r--gdb/value.h3
15 files changed, 186 insertions, 24 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 215bbdd..154aee5 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,34 @@
+2011-10-20 Phil Muldoon <pmuldoon@redhat.com>
+
+ PR python/12656
+
+ * python/py-frame.c (frapy_read_var): Use const struct *block.
+ * python/py-type.c (typy_lookup_typename): Likewise.
+ (typy_lookup_type): Likewise.
+ (typy_legacy_template_argument): Likewise.
+ (typy_template_argument): Likewise.
+ (gdbpy_lookup_type): Likewise.
+ * python/py-symbol.c (gdbpy_lookup_symbol): Likewise.
+ * python/py-block.c (blpy_block_object): Likewise.
+ (blpy_iter): Likewise.
+ (blpy_get_start): Likewise.
+ (blpy_get_end): Likewise.
+ (blpy_get_function): Likewise.
+ (blpy_get_superblock): Likewise.
+ (set_block): Likewise.
+ (block_to_block_object): Likewise.
+ (block_object_to_block): Likewise.
+ (blpy_is_valid): Likewise.
+ (blpy_get_global_block): New function.
+ (blpy_get_static_block): New function.
+ (blpy_is_global): New function.
+ (blpy_is_static): New function.
+ * blockframe.c (block_innermost_frame): Likewise.
+ * valops.c (value_of_variable): Likewise.
+ * frame.h: Update prototypes.
+ * python/python-internal.h: Likewise.
+ * value.h: Likewise.
+
2011-10-19 Cary Coutant <ccoutant@google.com>
* dwarf2read.c (create_debug_types_hash_table): Fix size of
diff --git a/gdb/NEWS b/gdb/NEWS
index df9b6b4..80c59f6 100644
--- a/gdb/NEWS
+++ b/gdb/NEWS
@@ -40,6 +40,11 @@
'data-directory'/python/gdb/function are now automatically loaded
on GDB start-up.
+ ** Blocks now provide four new attributes. global_block and
+ static_block will return the global and static blocks
+ respectively. is_static and is_global are boolean attributes
+ that indicate if the block is one of those two types.
+
** Symbols now provide the "type" attribute, the type of the symbol.
** The "gdb.breakpoint" function has been deprecated in favor of
diff --git a/gdb/blockframe.c b/gdb/blockframe.c
index 3b546a7..ef53a3d 100644
--- a/gdb/blockframe.c
+++ b/gdb/blockframe.c
@@ -358,7 +358,7 @@ find_pc_partial_function (CORE_ADDR pc, char **name, CORE_ADDR *address,
if there is no such frame. If BLOCK is NULL, just return NULL. */
struct frame_info *
-block_innermost_frame (struct block *block)
+block_innermost_frame (const struct block *block)
{
struct frame_info *frame;
CORE_ADDR start;
diff --git a/gdb/doc/ChangeLog b/gdb/doc/ChangeLog
index 83fa22f..9169d8e 100644
--- a/gdb/doc/ChangeLog
+++ b/gdb/doc/ChangeLog
@@ -1,3 +1,10 @@
+2011-10-20 Phil Muldoon <pmuldoon@redhat.com>
+
+ PR python/12656
+
+ * gdb.texinfo (Blocks In Python): Document is_static, is_global,
+ global_block, static_block function.
+
2011-10-19 Tom Tromey <tromey@redhat.com>
* gdb.texinfo (Commands In Python): Add missing "@"s.
diff --git a/gdb/doc/gdb.texinfo b/gdb/doc/gdb.texinfo
index c69bddb..69e2bda 100644
--- a/gdb/doc/gdb.texinfo
+++ b/gdb/doc/gdb.texinfo
@@ -23549,6 +23549,27 @@ attribute is not writable.
The block containing this block. If this parent block does not exist,
this attribute holds @code{None}. This attribute is not writable.
@end defvar
+
+@defvar Block.global_block
+The global block associated with this block. This attribute is not
+writable.
+@end defvar
+
+@defvar Block.static_block
+The static block associated with this block. This attribute is not
+writable.
+@end defvar
+
+@defvar Block.is_global
+@code{True} if the @code{gdb.Block} object is a global block,
+@code{False} if not. This attribute is not
+writable.
+@end defvar
+
+@defvar Block.is_static
+@code{True} if the @code{gdb.Block} object is a static block,
+@code{False} if not. This attribute is not writable.
+@end defvar
@end table
@node Symbols In Python
diff --git a/gdb/frame.h b/gdb/frame.h
index f5866bd..a261a91 100644
--- a/gdb/frame.h
+++ b/gdb/frame.h
@@ -691,7 +691,7 @@ extern void print_stack_frame (struct frame_info *, int print_level,
extern void print_frame_info (struct frame_info *, int print_level,
enum print_what print_what, int args);
-extern struct frame_info *block_innermost_frame (struct block *);
+extern struct frame_info *block_innermost_frame (const struct block *);
extern int deprecated_pc_in_call_dummy (struct gdbarch *gdbarch, CORE_ADDR pc);
diff --git a/gdb/python/py-block.c b/gdb/python/py-block.c
index 08d4455..3f4467a 100644
--- a/gdb/python/py-block.c
+++ b/gdb/python/py-block.c
@@ -28,7 +28,7 @@
typedef struct blpy_block_object {
PyObject_HEAD
/* The GDB block structure that represents a frame's code block. */
- struct block *block;
+ const struct block *block;
/* The backing object file. There is no direct relationship in GDB
between a block and an object file. When a block is created also
store a pointer to the object file for later use. */
@@ -85,7 +85,7 @@ static PyObject *
blpy_iter (PyObject *self)
{
block_syms_iterator_object *block_iter_obj;
- struct block *block = NULL;
+ const struct block *block = NULL;
BLPY_REQUIRE_VALID (self, block);
@@ -105,7 +105,7 @@ blpy_iter (PyObject *self)
static PyObject *
blpy_get_start (PyObject *self, void *closure)
{
- struct block *block = NULL;
+ const struct block *block = NULL;
BLPY_REQUIRE_VALID (self, block);
@@ -115,7 +115,7 @@ blpy_get_start (PyObject *self, void *closure)
static PyObject *
blpy_get_end (PyObject *self, void *closure)
{
- struct block *block = NULL;
+ const struct block *block = NULL;
BLPY_REQUIRE_VALID (self, block);
@@ -126,7 +126,7 @@ static PyObject *
blpy_get_function (PyObject *self, void *closure)
{
struct symbol *sym;
- struct block *block = NULL;
+ const struct block *block;
BLPY_REQUIRE_VALID (self, block);
@@ -140,8 +140,8 @@ blpy_get_function (PyObject *self, void *closure)
static PyObject *
blpy_get_superblock (PyObject *self, void *closure)
{
- struct block *block = NULL;
- struct block *super_block = NULL;
+ const struct block *block;
+ const struct block *super_block;
block_object *self_obj = (block_object *) self;
BLPY_REQUIRE_VALID (self, block);
@@ -153,6 +153,77 @@ blpy_get_superblock (PyObject *self, void *closure)
Py_RETURN_NONE;
}
+/* Return the global block associated to this block. */
+
+static PyObject *
+blpy_get_global_block (PyObject *self, void *closure)
+{
+ const struct block *block;
+ const struct block *global_block;
+ block_object *self_obj = (block_object *) self;
+
+ BLPY_REQUIRE_VALID (self, block);
+
+ global_block = block_global_block (block);
+
+ return block_to_block_object (global_block,
+ self_obj->objfile);
+
+}
+
+/* Return the static block associated to this block. Return None
+ if we cannot get the static block (this is the global block). */
+
+static PyObject *
+blpy_get_static_block (PyObject *self, void *closure)
+{
+ const struct block *block;
+ const struct block *static_block;
+ block_object *self_obj = (block_object *) self;
+
+ BLPY_REQUIRE_VALID (self, block);
+
+ if (BLOCK_SUPERBLOCK (block) == NULL)
+ Py_RETURN_NONE;
+
+ static_block = block_static_block (block);
+
+ return block_to_block_object (static_block, self_obj->objfile);
+}
+
+/* Implementation of gdb.Block.is_global (self) -> Boolean.
+ Returns True if this block object is a global block. */
+
+static PyObject *
+blpy_is_global (PyObject *self, void *closure)
+{
+ const struct block *block;
+
+ BLPY_REQUIRE_VALID (self, block);
+
+ if (BLOCK_SUPERBLOCK (block))
+ Py_RETURN_FALSE;
+
+ Py_RETURN_TRUE;
+}
+
+/* Implementation of gdb.Block.is_static (self) -> Boolean.
+ Returns True if this block object is a static block. */
+
+static PyObject *
+blpy_is_static (PyObject *self, void *closure)
+{
+ const struct block *block;
+
+ BLPY_REQUIRE_VALID (self, block);
+
+ if (BLOCK_SUPERBLOCK (block) != NULL
+ && BLOCK_SUPERBLOCK (BLOCK_SUPERBLOCK (block)) == NULL)
+ Py_RETURN_TRUE;
+
+ Py_RETURN_FALSE;
+}
+
static void
blpy_dealloc (PyObject *obj)
{
@@ -176,7 +247,7 @@ blpy_dealloc (PyObject *obj)
with the life-cycle of the object file associated with this
block, if needed. */
static void
-set_block (block_object *obj, struct block *block,
+set_block (block_object *obj, const struct block *block,
struct objfile *objfile)
{
obj->block = block;
@@ -196,7 +267,7 @@ set_block (block_object *obj, struct block *block,
/* Create a new block object (gdb.Block) that encapsulates the struct
block object from GDB. */
PyObject *
-block_to_block_object (struct block *block, struct objfile *objfile)
+block_to_block_object (const struct block *block, struct objfile *objfile)
{
block_object *block_obj;
@@ -208,7 +279,7 @@ block_to_block_object (struct block *block, struct objfile *objfile)
}
/* Return struct block reference that is wrapped by this object. */
-struct block *
+const struct block *
block_object_to_block (PyObject *obj)
{
if (! PyObject_TypeCheck (obj, &block_object_type))
@@ -269,7 +340,7 @@ blpy_block_syms_dealloc (PyObject *obj)
static PyObject *
blpy_is_valid (PyObject *self, PyObject *args)
{
- struct block *block;
+ const struct block *block;
block = block_object_to_block (self);
if (block == NULL)
@@ -386,6 +457,14 @@ static PyGetSetDef block_object_getset[] = {
"Symbol that names the block, or None.", NULL },
{ "superblock", blpy_get_superblock, NULL,
"Block containing the block, or None.", NULL },
+ { "global_block", blpy_get_global_block, NULL,
+ "Block containing the global block.", NULL },
+ { "static_block", blpy_get_static_block, NULL,
+ "Block containing the static block.", NULL },
+ { "is_static", blpy_is_static, NULL,
+ "Whether this block is a static block.", NULL },
+ { "is_global", blpy_is_global, NULL,
+ "Whether this block is a global block.", NULL },
{ NULL } /* Sentinel */
};
diff --git a/gdb/python/py-frame.c b/gdb/python/py-frame.c
index 75aa44e..398ce84 100644
--- a/gdb/python/py-frame.c
+++ b/gdb/python/py-frame.c
@@ -411,7 +411,7 @@ frapy_read_var (PyObject *self, PyObject *args)
else if (gdbpy_is_string (sym_obj))
{
char *var_name;
- struct block *block = NULL;
+ const struct block *block = NULL;
struct cleanup *cleanup;
volatile struct gdb_exception except;
diff --git a/gdb/python/py-symbol.c b/gdb/python/py-symbol.c
index 8a8510e..3fdbe48 100644
--- a/gdb/python/py-symbol.c
+++ b/gdb/python/py-symbol.c
@@ -276,7 +276,7 @@ gdbpy_lookup_symbol (PyObject *self, PyObject *args, PyObject *kw)
static char *keywords[] = { "name", "block", "domain", NULL };
struct symbol *symbol;
PyObject *block_obj = NULL, *ret_tuple, *sym_obj, *bool_obj;
- struct block *block = NULL;
+ const struct block *block = NULL;
if (! PyArg_ParseTupleAndKeywords (args, kw, "s|O!i", keywords, &name,
&block_object_type, &block_obj, &domain))
diff --git a/gdb/python/py-type.c b/gdb/python/py-type.c
index 875f7aa..f155d63 100644
--- a/gdb/python/py-type.c
+++ b/gdb/python/py-type.c
@@ -576,7 +576,7 @@ typy_get_sizeof (PyObject *self, void *closure)
}
static struct type *
-typy_lookup_typename (const char *type_name, struct block *block)
+typy_lookup_typename (const char *type_name, const struct block *block)
{
struct type *type = NULL;
volatile struct gdb_exception except;
@@ -606,7 +606,7 @@ typy_lookup_typename (const char *type_name, struct block *block)
static struct type *
typy_lookup_type (struct demangle_component *demangled,
- struct block *block)
+ const struct block *block)
{
struct type *type;
char *type_name;
@@ -651,7 +651,7 @@ typy_lookup_type (struct demangle_component *demangled,
versions of GCC, that do not emit DW_TAG_template_*. */
static PyObject *
-typy_legacy_template_argument (struct type *type, struct block *block,
+typy_legacy_template_argument (struct type *type, const struct block *block,
int argno)
{
int i;
@@ -716,7 +716,7 @@ typy_template_argument (PyObject *self, PyObject *args)
{
int argno;
struct type *type = ((type_object *) self)->type;
- struct block *block = NULL;
+ const struct block *block = NULL;
PyObject *block_obj = NULL;
struct symbol *sym;
struct value *val = NULL;
@@ -1328,7 +1328,7 @@ gdbpy_lookup_type (PyObject *self, PyObject *args, PyObject *kw)
const char *type_name = NULL;
struct type *type = NULL;
PyObject *block_obj = NULL;
- struct block *block = NULL;
+ const struct block *block = NULL;
if (! PyArg_ParseTupleAndKeywords (args, kw, "s|O", keywords,
&type_name, &block_obj))
diff --git a/gdb/python/python-internal.h b/gdb/python/python-internal.h
index 71325e2..e593612 100644
--- a/gdb/python/python-internal.h
+++ b/gdb/python/python-internal.h
@@ -164,7 +164,8 @@ char *gdbpy_parse_command_name (const char *name,
PyObject *symtab_and_line_to_sal_object (struct symtab_and_line sal);
PyObject *symtab_to_symtab_object (struct symtab *symtab);
PyObject *symbol_to_symbol_object (struct symbol *sym);
-PyObject *block_to_block_object (struct block *block, struct objfile *objfile);
+PyObject *block_to_block_object (const struct block *block,
+ struct objfile *objfile);
PyObject *value_to_value_object (struct value *v);
PyObject *type_to_type_object (struct type *);
PyObject *frame_info_to_frame_object (struct frame_info *frame);
@@ -180,7 +181,7 @@ thread_object *find_thread_object (ptid_t ptid);
PyObject *find_inferior_object (int pid);
PyObject *inferior_to_inferior_object (struct inferior *inferior);
-struct block *block_object_to_block (PyObject *obj);
+const struct block *block_object_to_block (PyObject *obj);
struct symbol *symbol_object_to_symbol (PyObject *obj);
struct value *value_object_to_value (PyObject *self);
struct value *convert_value_from_python (PyObject *obj);
diff --git a/gdb/testsuite/ChangeLog b/gdb/testsuite/ChangeLog
index c4d300e..97e0d1c 100644
--- a/gdb/testsuite/ChangeLog
+++ b/gdb/testsuite/ChangeLog
@@ -1,3 +1,10 @@
+2011-10-20 Phil Muldoon <pmuldoon@redhat.com>
+
+ PR python/12656
+
+ * gdb.python/py-block.exp: Add is_global, is_static, static_block,
+ global_block tests.
+
2011-10-18 Tom Tromey <tromey@redhat.com>
* gdb.base/jit-so.exp (one_jit_test): Remove spurious backslash.
diff --git a/gdb/testsuite/gdb.python/py-block.exp b/gdb/testsuite/gdb.python/py-block.exp
index 98b89d9..6a4edf0 100644
--- a/gdb/testsuite/gdb.python/py-block.exp
+++ b/gdb/testsuite/gdb.python/py-block.exp
@@ -48,6 +48,16 @@ gdb_test "python print block.function" "None" "First anonymous block"
gdb_test "python print block.start" "${decimal}" "Check start not None"
gdb_test "python print block.end" "${decimal}" "Check end not None"
+# Test global/static blocks
+gdb_py_test_silent_cmd "python frame = gdb.selected_frame()" "Get Frame" 0
+gdb_py_test_silent_cmd "python block = frame.block()" "Get block" 0
+gdb_test "python print block.is_global" "False" "Not a global block"
+gdb_test "python print block.is_static" "False" "Not a static block"
+gdb_py_test_silent_cmd "python gblock = block.global_block" "Get block" 1
+gdb_py_test_silent_cmd "python sblock = block.static_block" "Get block" 1
+gdb_test "python print gblock.is_global" "True" "Is the global block"
+gdb_test "python print sblock.is_static" "True" "Is the static block"
+
# Move up superblock(s) until we reach function block_func.
gdb_test_no_output "python block = block.superblock" "Get superblock"
gdb_test "python print block.function" "None" "Second anonymous block"
diff --git a/gdb/valops.c b/gdb/valops.c
index 4fe1712..cb39677 100644
--- a/gdb/valops.c
+++ b/gdb/valops.c
@@ -1491,7 +1491,7 @@ value_repeat (struct value *arg1, int count)
}
struct value *
-value_of_variable (struct symbol *var, struct block *b)
+value_of_variable (struct symbol *var, const struct block *b)
{
struct frame_info *frame;
diff --git a/gdb/value.h b/gdb/value.h
index 1376f95..f18390e 100644
--- a/gdb/value.h
+++ b/gdb/value.h
@@ -508,7 +508,8 @@ extern struct value *value_from_register (struct type *type, int regnum,
extern CORE_ADDR address_from_register (struct type *type, int regnum,
struct frame_info *frame);
-extern struct value *value_of_variable (struct symbol *var, struct block *b);
+extern struct value *value_of_variable (struct symbol *var,
+ const struct block *b);
extern struct value *address_of_variable (struct symbol *var, struct block *b);