Mercurial > hg > truffle
view agent/src/os/win32/libInfo.cpp @ 1257:7b4415a18c8a
Merge
author | kvn |
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date | Fri, 12 Feb 2010 15:27:36 -0800 |
parents | a61af66fc99e |
children | c18cbe5936b8 |
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/* * Copyright 2001 Sun Microsystems, Inc. All Rights Reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code 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 * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, * CA 95054 USA or visit www.sun.com if you need additional information or * have any questions. * */ // Disable too-long symbol warnings #pragma warning ( disable : 4786 ) #include "libInfo.hpp" #include "nt4internals.hpp" #include "isNT4.hpp" #include "toolHelp.hpp" #include <assert.h> using namespace std; typedef void LibInfoImplFunc(DWORD pid, vector<LibInfo>& info); static void libInfoImplNT4(DWORD pid, vector<LibInfo>& info); static void libInfoImplToolHelp(DWORD pid, vector<LibInfo>& info); void libInfo(DWORD pid, vector<LibInfo>& info) { static LibInfoImplFunc* impl = NULL; if (impl == NULL) { // See which operating system we're on impl = (isNT4() ? &libInfoImplNT4 : &libInfoImplToolHelp); } assert(impl != NULL); (*impl)(pid, info); } static ULONG ModuleCount(NT4::PDEBUG_BUFFER db) { return db->ModuleInformation ? *PULONG(db->ModuleInformation) : 0; } #define MAX2(a, b) (((a) < (b)) ? (b) : (a)) static void libInfoImplNT4(DWORD pid, vector<LibInfo>& info) { static EnumProcessModulesFunc* enumFunc = NULL; static GetModuleFileNameExFunc* fnFunc = NULL; static GetModuleInformationFunc* infoFunc = NULL; if (enumFunc == NULL) { HMODULE dll = loadPSAPIDLL(); enumFunc = (EnumProcessModulesFunc*) GetProcAddress(dll, "EnumProcessModules"); fnFunc = (GetModuleFileNameExFunc*) GetProcAddress(dll, "GetModuleFileNameExA"); infoFunc = (GetModuleInformationFunc*) GetProcAddress(dll, "GetModuleInformation"); assert(enumFunc != NULL); assert(fnFunc != NULL); assert(infoFunc != NULL); } static HMODULE* mods = new HMODULE[256]; static int numMods = 256; if (mods == NULL) { mods = new HMODULE[numMods]; if (mods == NULL) { return; } } bool done = false; HANDLE proc = OpenProcess(PROCESS_ALL_ACCESS, FALSE, pid); if (proc == NULL) { return; } do { DWORD bufSize = numMods * sizeof(HMODULE); DWORD neededSize; if (!(*enumFunc)(proc, mods, bufSize, &neededSize)) { // Enum failed CloseHandle(proc); return; } int numFetched = neededSize / sizeof(HMODULE); if (numMods < numFetched) { // Grow buffer numMods = MAX2(numFetched, 2 * numMods); delete[] mods; mods = new HMODULE[numMods]; if (mods == NULL) { CloseHandle(proc); return; } } else { char filename[MAX_PATH]; MODULEINFO modInfo; // Iterate through and fetch each one's info for (int i = 0; i < numFetched; i++) { if (!(*fnFunc)(proc, mods[i], filename, MAX_PATH)) { CloseHandle(proc); return; } if (!(*infoFunc)(proc, mods[i], &modInfo, sizeof(MODULEINFO))) { CloseHandle(proc); return; } info.push_back(LibInfo(string(filename), (void*) modInfo.lpBaseOfDll)); } done = true; } } while (!done); CloseHandle(proc); return; } void libInfoImplToolHelp(DWORD pid, vector<LibInfo>& info) { using namespace ToolHelp; static CreateToolhelp32SnapshotFunc* snapshotFunc = NULL; static Module32FirstFunc* firstFunc = NULL; static Module32NextFunc* nextFunc = NULL; if (snapshotFunc == NULL) { HMODULE dll = loadDLL(); snapshotFunc = (CreateToolhelp32SnapshotFunc*) GetProcAddress(dll, "CreateToolhelp32Snapshot"); firstFunc = (Module32FirstFunc*) GetProcAddress(dll, "Module32First"); nextFunc = (Module32NextFunc*) GetProcAddress(dll, "Module32Next"); assert(snapshotFunc != NULL); assert(firstFunc != NULL); assert(nextFunc != NULL); } HANDLE snapshot = (*snapshotFunc)(TH32CS_SNAPMODULE, pid); if (snapshot == (HANDLE) -1) { // Error occurred during snapshot return; } // Iterate MODULEENTRY32 module; if ((*firstFunc)(snapshot, &module)) { do { info.push_back(LibInfo(string(module.szExePath), (void*) module.modBaseAddr)); } while ((*nextFunc)(snapshot, &module)); } CloseHandle(snapshot); }