forked from jasonxmueller/gcc-python-plugin
/
generate-callgraph-c.py
133 lines (115 loc) · 5.1 KB
/
generate-callgraph-c.py
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# Copyright 2011, 2012 David Malcolm <dmalcolm@redhat.com>
# Copyright 2011, 2012 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/>.
from cpybuilder import *
from wrapperbuilder import PyGccWrapperTypeObject
cu = CompilationUnit()
cu.add_include('gcc-python.h')
cu.add_include('gcc-python-wrappers.h')
cu.add_include('gcc-plugin.h')
cu.add_include("cgraph.h")
modinit_preinit = ''
modinit_postinit = ''
def generate_callgraph_edge():
#
# Generate the gcc.CallgraphEdge class:
#
global modinit_preinit
global modinit_postinit
getsettable = PyGetSetDefTable('gcc_CallgraphEdge_getset_table', [],
identifier_prefix='gcc_CallgraphEdge',
typename='PyGccCallgraphEdge')
getsettable.add_simple_getter(cu,
'caller',
'gcc_python_make_wrapper_cgraph_node(self->edge->caller)',
'The function that makes this call, as a gcc.CallgraphNode')
getsettable.add_simple_getter(cu,
'callee',
'gcc_python_make_wrapper_cgraph_node(self->edge->callee)',
'The function that is called here, as a gcc.CallgraphNode')
getsettable.add_simple_getter(cu,
'call_stmt',
'gcc_python_make_wrapper_gimple(self->edge->call_stmt)',
'The gcc.GimpleCall statememt for the function call')
cu.add_defn(getsettable.c_defn())
pytype = PyGccWrapperTypeObject(identifier = 'gcc_CallgraphEdgeType',
localname = 'CallgraphEdge',
tp_name = 'gcc.CallgraphEdge',
struct_name = 'PyGccCallgraphEdge',
tp_new = 'PyType_GenericNew',
tp_getset = getsettable.identifier,
tp_repr = '(reprfunc)gcc_CallgraphEdge_repr',
tp_str = '(reprfunc)gcc_CallgraphEdge_str',
tp_dealloc = 'gcc_python_wrapper_dealloc',
)
cu.add_defn(pytype.c_defn())
modinit_preinit += pytype.c_invoke_type_ready()
modinit_postinit += pytype.c_invoke_add_to_module()
generate_callgraph_edge()
def generate_callgraph_node():
#
# Generate the gcc.CallgraphNode class:
#
global modinit_preinit
global modinit_postinit
getsettable = PyGetSetDefTable('gcc_CallgraphNode_getset_table', [],
identifier_prefix='gcc_CallgraphNode',
typename='PyGccCallgraphNode')
# FIXME: add getters
getsettable.add_simple_getter(cu,
'decl',
'gcc_python_make_wrapper_tree(self->node->decl)',
'The gcc.FunctionDecl for this node')
getsettable.add_gsdef('callees',
'gcc_CallgraphNode_get_callees',
None,
'The function calls made by this function, as a list of gcc.CallgraphEdge')
getsettable.add_gsdef('callers',
'gcc_CallgraphNode_get_callers',
None,
'The places that call this function, as a list of gcc.CallgraphEdge')
cu.add_defn(getsettable.c_defn())
# see gcc/cgraph.c: dump_cgraph_node (FILE *f, struct cgraph_node *node)
pytype = PyGccWrapperTypeObject(identifier = 'gcc_CallgraphNodeType',
localname = 'CallgraphNode',
tp_name = 'gcc.CallgraphNode',
struct_name = 'PyGccCallgraphNode',
tp_new = 'PyType_GenericNew',
tp_getset = getsettable.identifier,
tp_repr = '(reprfunc)gcc_CallgraphNode_repr',
tp_str = '(reprfunc)gcc_CallgraphNode_str',
tp_dealloc = 'gcc_python_wrapper_dealloc',
)
cu.add_defn(pytype.c_defn())
modinit_preinit += pytype.c_invoke_type_ready()
modinit_postinit += pytype.c_invoke_add_to_module()
generate_callgraph_node()
cu.add_defn("""
int autogenerated_callgraph_init_types(void)
{
""" + modinit_preinit + """
return 1;
error:
return 0;
}
""")
cu.add_defn("""
void autogenerated_callgraph_add_types(PyObject *m)
{
""" + modinit_postinit + """
}
""")
print(cu.as_str())