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/*
Copyright 2011-2013, 2015, 2017 David Malcolm <dmalcolm@redhat.com>
Copyright 2011-2013, 2015, 2017 Red Hat, Inc.
This is free software: you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see
<http://www.gnu.org/licenses/>.
*/
#ifndef INCLUDED__GCC_PYTHON_H
#define INCLUDED__GCC_PYTHON_H
#include <gcc-plugin.h>
#include "autogenerated-config.h"
#if 1
#include "tree.h"
#if (GCC_VERSION >= 4009)
#include "basic-block.h" /* needed by gimple.h in 4.9 */
#include "function.h" /* needed by gimple.h in 4.9 */
#include "tree-ssa-alias.h" /* needed by gimple.h in 4.9 */
#include "internal-fn.h" /* needed by gimple.h in 4.9 */
#include "is-a.h" /* needed by gimple.h in 4.9 */
#include "predict.h" /* needed by gimple.h in 4.9 */
#include "gimple-expr.h" /* needed by gimple.h in 4.9 */
#endif
#include "gimple.h"
#include "params.h"
#endif
#include "gcc-c-api/gcc-cfg.h"
/* GCC doesn't seem to give us an ID for "invalid event", so invent one: */
#define GCC_PYTHON_PLUGIN_BAD_EVENT (0xffff)
/*
Define some macros to allow us to use cpychecker's custom attributes when
compiling the plugin using itself (gcc-with-cpychecker), but also to turn
them off when compiling with vanilla gcc (and other compilers).
*/
#if defined(WITH_CPYCHECKER_RETURNS_BORROWED_REF_ATTRIBUTE)
#define CPYCHECKER_RETURNS_BORROWED_REF \
__attribute__((cpychecker_returns_borrowed_ref))
#else
#define CPYCHECKER_RETURNS_BORROWED_REF
#endif
#if defined(WITH_CPYCHECKER_STEALS_REFERENCE_TO_ARG_ATTRIBUTE)
#define CPYCHECKER_STEALS_REFERENCE_TO_ARG(n) \
__attribute__((cpychecker_steals_reference_to_arg(n)))
#else
#define CPYCHECKER_STEALS_REFERENCE_TO_ARG(n)
#endif
#if defined(WITH_CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF_ATTRIBUTE)
#define CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF(typename) \
__attribute__((cpychecker_type_object_for_typedef(typename)))
#else
#define CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF(typename)
#endif
/*
PyObject shared header for wrapping GCC objects, for integration
with GCC's garbage collector (so that things we wrap don't get collected
from under us)
*/
typedef struct PyGccWrapper
{
PyObject_HEAD
/*
Keep track of a linked list of all live wrapper objects,
so that we can mark the wrapped objects for GCC's garbage
collector:
*/
struct PyGccWrapper *wr_prev;
struct PyGccWrapper *wr_next;
} PyGccWrapper;
/*
PyTypeObject subclass for PyGccWrapper, adding a GC-marking callback:
*/
typedef void (*wrtp_marker) (PyGccWrapper *wrapper);
typedef struct PyGccWrapperTypeObject
{
PyHeapTypeObject wrtp_base;
/* Callback for marking the wrapped objects when GCC's garbage
collector runs: */
wrtp_marker wrtp_mark;
} PyGccWrapperTypeObject;
/* gcc-python-wrapper.c */
/*
Allocate a new PyGccWrapper of the given type, setting up:
- ob_refcnt
- ob_type
and calling PyGccWrapper_Track() on it:
*/
#define PyGccWrapper_New(ARG_structname, ARG_typeobj) \
( (ARG_structname*) _PyGccWrapper_New(ARG_typeobj) )
extern PyGccWrapper *
_PyGccWrapper_New(PyGccWrapperTypeObject *typeobj);
extern void
PyGccWrapper_Track(PyGccWrapper *obj);
extern void
PyGccWrapper_Dealloc(PyObject *obj);
extern PyTypeObject PyGccWrapperMeta_TypeObj;
/*
Macro DECLARE_SIMPLE_WRAPPER():
ARG_structname:
the struct tag for the resulting python wrapper class,
e.g. "PyGccPass"
ARG_typeobj:
the singleton PyTypeObject for the resulting python wrapper class
e.g. "PyGccPass_TypeObj"
ARG_typename:
a C identifier to use when referring to instances of the underlying
type e.g. "pass"
ARG_wrappedtype:
the GCC type being wrapped e.g. "struct opt_pass *"
ARG_fieldname:
the name of the field within the CPython struct, containing the pointer
to the GCC data
*/
#define DECLARE_SIMPLE_WRAPPER(ARG_structname, ARG_typeobj, ARG_typename, ARG_wrappedtype, ARG_fieldname) \
struct ARG_structname { \
struct PyGccWrapper head; \
ARG_wrappedtype ARG_fieldname; \
}; \
\
typedef struct ARG_structname ARG_structname; \
\
extern PyObject * \
ARG_structname##_New(ARG_wrappedtype ARG_fieldname); \
\
extern PyObject * \
ARG_structname##_NewUnique(ARG_wrappedtype ARG_fieldname); \
\
extern PyGccWrapperTypeObject ARG_typeobj \
CPYCHECKER_TYPE_OBJECT_FOR_TYPEDEF(#ARG_structname); \
\
extern void \
PyGcc_WrtpMarkFor##ARG_structname(ARG_structname *wrapper); \
/* end of macro */
DECLARE_SIMPLE_WRAPPER(PyGccCallgraphEdge,
PyGccCallgraphEdge_TypeObj,
cgraph_edge,
gcc_cgraph_edge, edge)
DECLARE_SIMPLE_WRAPPER(PyGccCallgraphNode,
PyGccCallgraphNode_TypeObj,
cgraph_node,
gcc_cgraph_node, node)
DECLARE_SIMPLE_WRAPPER(PyGccPass,
PyGccPass_TypeObj,
pass,
struct opt_pass *, pass)
DECLARE_SIMPLE_WRAPPER(PyGccLocation,
PyGccLocation_TypeObj,
location,
gcc_location, loc)
/* class rich_location was added to libcpp in gcc 6. */
#if (GCC_VERSION >= 6000)
DECLARE_SIMPLE_WRAPPER(PyGccRichLocation,
PyGccRichLocation_TypeObj,
rich_location,
rich_location, richloc)
#endif
DECLARE_SIMPLE_WRAPPER(PyGccGimple,
PyGccGimple_TypeObj,
gimple,
gcc_gimple, stmt);
DECLARE_SIMPLE_WRAPPER(PyGccEdge,
PyGccEdge_TypeObj,
edge,
gcc_cfg_edge, e)
DECLARE_SIMPLE_WRAPPER(PyGccBasicBlock,
PyGccBasicBlock_TypeObj,
basic_block,
gcc_cfg_block, bb)
DECLARE_SIMPLE_WRAPPER(PyGccCfg,
PyGccCfg_TypeObj,
cfg,
gcc_cfg, cfg)
DECLARE_SIMPLE_WRAPPER(PyGccFunction,
PyGccFunction_TypeObj,
function,
gcc_function, fun)
DECLARE_SIMPLE_WRAPPER(PyGccOption,
PyGccOption_TypeObj,
option,
gcc_option, opt)
DECLARE_SIMPLE_WRAPPER(PyGccParameter,
PyGccParameter_TypeObj,
param_num,
compiler_param, param_num)
DECLARE_SIMPLE_WRAPPER(PyGccRtl,
PyGccRtl_TypeObj,
#if (GCC_VERSION >= 5000)
rtl_insn *,
#else
rtl,
#endif
gcc_rtl_insn, insn)
DECLARE_SIMPLE_WRAPPER(PyGccTree,
PyGccTree_TypeObj,
tree,
gcc_tree, t)
DECLARE_SIMPLE_WRAPPER(PyGccVariable,
PyGccVariable_TypeObj,
variable,
gcc_variable, var)
/* autogenerated-callgraph.c */
int autogenerated_callgraph_init_types(void);
void autogenerated_callgraph_add_types(PyObject *m);
/* autogenerated-cfg.c */
int autogenerated_cfg_init_types(void);
void autogenerated_cfg_add_types(PyObject *m);
/* autogenerated-function.c */
int autogenerated_function_init_types(void);
void autogenerated_function_add_types(PyObject *m);
/* autogenerated-gimple.c */
int autogenerated_gimple_init_types(void);
void autogenerated_gimple_add_types(PyObject *m);
PyGccWrapperTypeObject*
PyGcc_autogenerated_gimple_type_for_stmt(gcc_gimple stmt);
/* autogenerated-location.c */
int autogenerated_location_init_types(void);
void autogenerated_location_add_types(PyObject *m);
/* autogenerated-option.c */
int autogenerated_option_init_types(void);
void autogenerated_option_add_types(PyObject *m);
/* autogenerated-parameter.c */
int autogenerated_parameter_init_types(void);
void autogenerated_parameter_add_types(PyObject *m);
/* autogenerated-pass.c */
int autogenerated_pass_init_types(void);
void autogenerated_pass_add_types(PyObject *m);
extern PyGccWrapperTypeObject PyGccGimplePass_TypeObj;
extern PyGccWrapperTypeObject PyGccRtlPass_TypeObj;
extern PyGccWrapperTypeObject PyGccSimpleIpaPass_TypeObj;
extern PyGccWrapperTypeObject PyGccIpaPass_TypeObj;
/* autogenerated-pretty-printer.c */
int autogenerated_pretty_printer_init_types(void);
void autogenerated_pretty_printer_add_types(PyObject *m);
/* autogenerated-rtl.c */
int autogenerated_rtl_init_types(void);
void autogenerated_rtl_add_types(PyObject *m);
PyGccWrapperTypeObject *
PyGcc_autogenerated_rtl_type_for_stmt(gcc_rtl_insn insn);
/* autogenerated-tree.c */
int autogenerated_tree_init_types(void);
void autogenerated_tree_add_types(PyObject *m);
PyGccWrapperTypeObject*
PyGcc_autogenerated_tree_type_for_tree(gcc_tree t, int borrow_ref);
PyGccWrapperTypeObject*
PyGcc_autogenerated_tree_type_for_tree_code(enum tree_code code, int borrow_ref);
extern PyGccWrapperTypeObject PyGccComponentRef_TypeObj;
/* autogenerated-variable.c */
int autogenerated_variable_init_types(void);
void autogenerated_variable_add_types(PyObject *m);
PyObject *
PyGccStringOrNone(const char *str_or_null);
#if (GCC_VERSION >= 4008)
PyObject *
VEC_tree_as_PyList(vec<tree, va_gc> *vec_nodes);
#else
PyObject *
VEC_tree_as_PyList(VEC(tree,gc) *vec_nodes);
#endif
PyObject *
PyGcc_int_from_int_cst(tree int_cst);
PyObject *
PyGcc_int_from_decimal_string_buffer(const char *buf);
void
PyGcc_DoubleIntAsText(double_int di, bool is_unsigned,
char *out, int bufsize) __attribute__((nonnull));
#if (GCC_VERSION >= 5000)
PyObject *
PyGcc_int_from_wide_int();
#else
PyObject *
PyGcc_int_from_double_int(double_int di, bool is_unsigned);
#endif
PyObject *
PyGcc_LazilyCreateWrapper(PyObject **cache,
void *ptr,
PyObject *(*ctor)(void *ptr));
int
PyGcc_insert_new_wrapper_into_cache(PyObject **cache,
void *ptr,
PyObject *obj);
/* gcc-python.c */
int PyGcc_IsWithinEvent(enum plugin_event *out_event);
char * PyGcc_strdup(const char *str) __attribute__((nonnull));
void PyGcc_PrintException(const char *msg);
/*
Shorthand for: repr(getattr(obj, attrname))
*/
PyObject *
PyGcc_GetReprOfAttribute(PyObject *obj, const char *attrname);
/* Python 2 vs Python 3 compat: */
#if PY_MAJOR_VERSION == 3
/* Python 3: use PyUnicode for "str" and PyLong for "int": */
#define PyGccString_FromFormat PyUnicode_FromFormat
#define PyGccString_FromString PyUnicode_FromString
#define PyGccString_FromString_and_size PyUnicode_FromStringAndSize
#define PyGccString_AsString _PyUnicode_AsString
#define PyGccInt_FromLong PyLong_FromLong
#define PyGccInt_Check PyLong_Check
#define PyGccInt_AsLong PyLong_AsLong
#else
/* Python 2: use PyString for "str" and PyInt for "int": */
#define PyGccString_FromFormat PyString_FromFormat
#define PyGccString_FromString PyString_FromString
#define PyGccString_FromString_and_size PyString_FromStringAndSize
#define PyGccString_AsString PyString_AsString
#define PyGccInt_FromLong PyInt_FromLong
#define PyGccInt_Check PyInt_Check
#define PyGccInt_AsLong PyInt_AsLong
#endif
/*
PEP-7
Local variables:
c-basic-offset: 4
indent-tabs-mode: nil
End:
*/
#endif /* INCLUDED__GCC_PYTHON_H */
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