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// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <windows.h>
#include <ImageHlp.h>
#include <psapi.h>
#include "base/image_util.h"
#include "base/process_util.h"
// imagehlp.dll appears to ship in all win versions after Win95.
// nsylvain verified it is present in win2k.
// Using #pragma comment for dependency, instead of LoadLibrary/GetProcAddress.
#pragma comment(lib, "imagehlp.lib")
namespace image_util {
// ImageMetrics
ImageMetrics::ImageMetrics(HANDLE process) : process_(process) {
}
ImageMetrics::~ImageMetrics() {
}
bool ImageMetrics::GetDllImageSectionData(const std::string& loaded_dll_name,
ImageSectionsData* section_sizes) {
// Get a handle to the loaded DLL
HMODULE the_dll = GetModuleHandleA(loaded_dll_name.c_str());
char full_filename[MAX_PATH];
// Get image path
if (GetModuleFileNameExA(process_, the_dll, full_filename, MAX_PATH)) {
return GetImageSectionSizes(full_filename, section_sizes);
}
return false;
}
bool ImageMetrics::GetProcessImageSectionData(ImageSectionsData*
section_sizes) {
char exe_path[MAX_PATH];
// Get image path
if (GetModuleFileNameExA(process_, NULL, exe_path, MAX_PATH)) {
return GetImageSectionSizes(exe_path, section_sizes);
}
return false;
}
// private
bool ImageMetrics::GetImageSectionSizes(char* qualified_path,
ImageSectionsData* result) {
LOADED_IMAGE li;
// TODO (timsteele): There is no unicode version for MapAndLoad, hence
// why ansi functions are used in this class. Should we try and rewrite
// this call ourselves to be safe?
if (MapAndLoad(qualified_path, 0, &li, FALSE, TRUE)) {
IMAGE_SECTION_HEADER* section_header = li.Sections;
for (unsigned i = 0; i < li.NumberOfSections; i++, section_header++) {
std::string name(reinterpret_cast<char*>(section_header->Name));
ImageSectionData data(name, section_header->Misc.VirtualSize ?
section_header->Misc.VirtualSize :
section_header->SizeOfRawData);
// copy into result
result->push_back(data);
}
} else {
// map and load failed
return false;
}
UnMapAndLoad(&li);
return true;
}
} // namespace image_util
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