1 ##########################################################################
3 # Copyright 2008-2010 VMware, Inc.
6 # Permission is hereby granted, free of charge, to any person obtaining a copy
7 # of this software and associated documentation files (the "Software"), to deal
8 # in the Software without restriction, including without limitation the rights
9 # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 # copies of the Software, and to permit persons to whom the Software is
11 # furnished to do so, subject to the following conditions:
13 # The above copyright notice and this permission notice shall be included in
14 # all copies or substantial portions of the Software.
16 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
24 ##########################################################################/
26 """Trace code generation for Windows DLLs."""
31 from trace import Tracer
32 from dispatch import Dispatcher
33 from specs.stdapi import API
36 class DllDispatcher(Dispatcher):
38 def dispatchModule(self, module):
39 tag = module.name.upper()
40 print r'HMODULE g_h%sModule = NULL;' % (tag,)
43 print r'_get%sProcAddress(LPCSTR lpProcName) {' % tag
44 print r' if (!g_h%sModule) {' % tag
45 print r' char szDll[MAX_PATH] = {0};'
46 print r' if (!GetSystemDirectoryA(szDll, MAX_PATH)) {'
47 print r' return NULL;'
49 print r' strcat(szDll, "\\\\%s.dll");' % module.name
50 print r' g_h%sModule = LoadLibraryA(szDll);' % tag
51 print r' if (!g_h%sModule) {' % tag
52 print r' return NULL;'
55 print r' return GetProcAddress(g_h%sModule, lpProcName);' % tag
59 Dispatcher.dispatchModule(self, module)
61 def getProcAddressName(self, module, function):
62 assert self.isFunctionPublic(module, function)
63 return '_get%sProcAddress' % (module.name.upper())
66 class DllTracer(Tracer):
68 def header(self, api):
70 for module in api.modules:
71 dispatcher = DllDispatcher()
72 dispatcher.dispatchModule(module)
74 Tracer.header(self, api)