private void MapAndLoad(FileHandle fileHandle, bool readOnly)
{
using (Section section = new Section(
fileHandle,
false,
readOnly ? MemoryProtection.ExecuteRead : MemoryProtection.ExecuteReadWrite
))
{
_size = (int)fileHandle.GetSize();
_view = section.MapView(_size);
_memory = _view;
byte *start = (byte *)_memory;
if (start[0] != 'M' || start[1] != 'Z')
{
throw new Exception("The file is not a valid executable image.");
}
_ntHeaders = this.GetNtHeaders();
_sections = (ImageSectionHeader *)((byte *)&_ntHeaders->OptionalHeader + _ntHeaders->FileHeader.SizeOfOptionalHeader);
_magic = _ntHeaders->OptionalHeader.Magic;
if (_magic != Win32.Pe32Magic && _magic != Win32.Pe32PlusMagic)
{
throw new Exception("The file is not a PE32 or PE32+ image.");
}
}
}
private void MapAndLoad(FileHandle fileHandle, bool readOnly)
{
using (Section section = new Section(
fileHandle,
false,
readOnly ? MemoryProtection.ExecuteRead : MemoryProtection.ExecuteReadWrite
))
{
_size = (int)fileHandle.GetSize();
_view = section.MapView(_size);
this.Load(_view);
}
}
/// <summary>
/// Creates a section backed by a file.
/// </summary>
/// <param name="name">The name of the section.</param>
/// <param name="fileHandle">A file handle.</param>
/// <param name="image">Whether to treat the file as an executable image.</param>
/// <param name="protection">The page protection to apply to mappings.</param>
public Section(string name, FileHandle fileHandle, bool image, MemoryProtection protection)
{
_originalProtection = protection;
this.Handle = SectionHandle.Create(
SectionAccess.All,
name,
ObjectFlags.OpenIf,
null,
fileHandle.GetSize(),
image ? SectionAttributes.Image : SectionAttributes.Commit,
protection,
fileHandle
);
}
private void MapAndLoad(FileHandle fileHandle, bool readOnly)
{
using (Section section = new Section(
fileHandle,
false,
readOnly ? MemoryProtection.ExecuteRead : MemoryProtection.ExecuteReadWrite
))
{
_size = (int)fileHandle.GetSize();
_view = section.MapView(_size);
_memory = _view;
byte* start = (byte*)_memory;
if (start[0] != 'M' || start[1] != 'Z')
throw new Exception("The file is not a valid executable image.");
_ntHeaders = this.GetNtHeaders();
_sections = (ImageSectionHeader*)((byte*)&_ntHeaders->OptionalHeader + _ntHeaders->FileHeader.SizeOfOptionalHeader);
_magic = _ntHeaders->OptionalHeader.Magic;
if (_magic != Win32.Pe32Magic && _magic != Win32.Pe32PlusMagic)
throw new Exception("The file is not a PE32 or PE32+ image.");
}
}
private void MapAndLoad(FileHandle fileHandle, bool readOnly)
{
using (Section section = new Section(
fileHandle,
false,
readOnly ? MemoryProtection.ExecuteRead : MemoryProtection.ExecuteReadWrite
))
{
_size = (int)fileHandle.GetSize();
_view = section.MapView(_size);
this.Load(_view);
}
}