1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
|
# Copyright 2011 David Malcolm <dmalcolm@redhat.com>
# Copyright 2011 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/>.
# Sample python script, to be run by our gcc plugin (see "make test")
#print "hello world"
import gcc
import sys
print('sys.version: %s' % sys.version)
#print 'sys.path:', sys.path
#help(gcc)
print(help(gcc.AddrExpr))
print(gcc.Type)
print(gcc.Type.char)
print(help(gcc.Type))
from gccutils import get_src_for_loc, cfg_to_dot, invoke_dot
def my_pass_execution_callback(*args, **kwargs):
print('my_pass_execution_callback was called: args=%r kwargs=%r' % (args, kwargs))
print('gcc.get_translation_units(): %s' % gcc.get_translation_units())
for u in gcc.get_translation_units():
print('u: %s %r' % (u, u))
u.debug()
print('u.block: %s' % u.block)
#help(args[0])
(optpass, fun) = args
print('optpass: %r' % optpass)
print('dir(optpass): %r' % dir(optpass))
print('optpass.name: %r' % optpass.name)
print('fun: %r' % fun)
if fun:
print('fun.cfg: %r' % fun.cfg)
if fun.cfg:
#print help(fun.cfg)
print('fun.cfg.basic_blocks: %r' % fun.cfg.basic_blocks)
print('fun.cfg.entry: %r' % fun.cfg.entry)
print('fun.cfg.exit: %r' % fun.cfg.exit)
print('fun.cfg.entry.succs: %r' % fun.cfg.entry.succs)
print('fun.cfg.exit.preds: %r' % fun.cfg.exit.preds)
dot = cfg_to_dot(fun.cfg)
print(dot)
invoke_dot(dot)
for bb in fun.cfg.basic_blocks:
print('bb: %r' % bb)
print('bb.gimple: %r' % bb.gimple)
if isinstance(bb.gimple, list):
for stmt in bb.gimple:
print(' %r: %r : %s column: %i block: %r' % (stmt, repr(str(stmt)), stmt.loc, stmt.loc.column, stmt.block))
print(get_src_for_loc(stmt.loc))
print(' ' * (stmt.loc.column-1) + '^')
if hasattr(stmt, 'loc'):
print(' stmt.loc: %r' % stmt.loc)
if hasattr(stmt, 'lhs'):
print(' stmt.lhs: %r' % stmt.lhs)
if hasattr(stmt, 'exprtype'):
print(' stmt.exprtype: %r' % stmt.exprtype)
if hasattr(stmt, 'exprcode'):
print(' stmt.exprcode: %r' % stmt.exprcode)
if hasattr(stmt, 'fn'):
print(' stmt.fn: %r %s' % (stmt.fn, stmt.fn))
if hasattr(stmt, 'retval'):
print(' stmt.retval: %r' % stmt.retval)
if hasattr(stmt, 'rhs'):
print(' stmt.rhs: %r' % stmt.rhs)
def my_pre_genericize_callback(*args, **kwargs):
print('my_pre_genericize_callback was called: args=%r kwargs=%r' % (args, kwargs))
#help(args[0])
t = args[0]
print(t)
print(dir(t))
print(type(t))
print(repr(t))
print(str(t))
#print(help(t))
print('t.name: %r' % t.name)
print('t.addr: %s' % hex(t.addr))
print('t.type: %r' % t.type)
print('t.function: %r' % t.function)
#print(help(t.function))
print('t.type.type: %r' % t.type.type)
loc = t.location
print(loc)
print(dir(loc))
print(type(loc))
print(repr(loc))
#print(help(loc))
print('loc.file: %r' % loc.file)
print('loc.line: %r' % loc.line)
# raise RuntimeError('what happens if we get an error here?')
gcc.register_callback(gcc.PLUGIN_PASS_EXECUTION,
my_pass_execution_callback)
gcc.register_callback(gcc.PLUGIN_PRE_GENERICIZE,
my_pre_genericize_callback)
# Try some insane values:
#gcc.register_callback(-1, my_callback)
# Stupid hack idea: a UI for gcc:
#import gtk
#w = gtk.Window(gtk.WINDOW_TOPLEVEL)
#w.show()
#gtk.main()
#from pprint import pprint
#pprint(tree.subclass_for_code)
|
