|
public abstract GetGlobalRVA ( String symbolName, SymType symType ) : |
||
| symbolName | String | |
| symType | SymType | |
| return | ||
private static void ScanDacFile(String file,
SymbolProvider sf,
List <UInt32> rvaArray,
out UInt32 numGlobals)
{
StreamReader strm =
new StreamReader(file, System.Text.Encoding.ASCII);
String line;
Hashtable vtables = new Hashtable(); // hashtable to guarantee uniqueness of entries
//
// Scan through the data access header file looking
// for the globals structure.
//
for (;;)
{
line = strm.ReadLine();
if (line == null)
{
throw new
InvalidOperationException("Invalid dac header format");
}
else if (line == "typedef struct _DacGlobals")
{
break;
}
}
if (strm.ReadLine() != "{")
{
throw new InvalidOperationException("Invalid dac header format");
}
//
// All the globals come first so pick up each line that
// begins with ULONG.
//
bool fFoundVptrs = false;
numGlobals = 0;
for (;;)
{
line = strm.ReadLine().Trim();
if (line.Equals("union {") ||
line.Equals("struct {") ||
line.Equals("};") ||
line.StartsWith("#line ") ||
line.StartsWith("# "))
{
// Ignore.
}
else if (line.StartsWith("ULONG "))
{
UInt32 rva = 0;
line = line.Remove(0, 6);
line = line.TrimEnd(";".ToCharArray());
string vptrSuffixSingle = "__vtAddr";
string vptrSuffixMulti = "__mvtAddr";
string vptrSuffix = null;
if (line.EndsWith(vptrSuffixSingle))
{
vptrSuffix = vptrSuffixSingle;
}
else if (line.EndsWith(vptrSuffixMulti))
{
vptrSuffix = vptrSuffixMulti;
}
if (vptrSuffix != null)
{
if (!fFoundVptrs)
{
numGlobals = (UInt32)rvaArray.Count;
fFoundVptrs = true;
}
line = line.Remove(line.Length - vptrSuffix.Length,
vptrSuffix.Length);
string keyBaseName = null;
string descTail = null;
if (vptrSuffix == vptrSuffixMulti)
{
// line now has the form <class>__<base>, so
// split off the base.
int basePrefix = line.LastIndexOf("__");
if (basePrefix < 0)
{
throw new InvalidOperationException("VPTR_MULTI_CLASS has no keyBase.");
}
keyBaseName = line.Substring(basePrefix + 2);
line = line.Remove(basePrefix);
descTail = " for " + keyBaseName;
}
rva = sf.GetVTableRVA(line, keyBaseName);
if (rva == UInt32.MaxValue)
{
Console.WriteLine(" " + ToHexNB(rva));
Shell.Error("Invalid vtable " + line + descTail);
}
else
{
String existing = (String)vtables[rva];
if (existing != null)
{
throw new InvalidOperationException(existing + " and " + line + " are at the same offsets." +
" Add VPTR_UNIQUE(<a random unique number here>) to the offending classes to make their vtables unique.");
}
vtables[rva] = line;
Console.WriteLine(" " + ToHexNB(rva) +
", // vtable " + line + descTail);
}
}
else
{
SymbolProvider.SymType symType;
if (fFoundVptrs)
{
throw new InvalidOperationException("Invalid dac header format. Vtable pointers must be last.");
}
if (line.StartsWith("dac__"))
{
// Global variables, use the prefix.
line = line.Remove(0, 5);
symType = SymbolProvider.SymType.GlobalData;
}
else if (line.StartsWith("fn__"))
{
// Global or static functions, use the prefix.
line = line.Remove(0, 4);
line = line.Replace("__", "::");
symType = SymbolProvider.SymType.GlobalFunction;
}
else
{
// Static member variable, use the full name with
// namespace replacement.
line = line.Replace("__", "::");
symType = SymbolProvider.SymType.GlobalData;
}
if (0 == rva)
{
rva = sf.GetGlobalRVA(line, symType);
if (rva == UInt32.MaxValue)
{
Console.WriteLine(" " + ToHexNB(rva));
Shell.Error("Invalid symbol " + line);
}
else
{
Console.WriteLine(" " + ToHexNB(rva) + ", // " +
line);
}
}
}
rvaArray.Add(rva);
}
else if (line == "")
{
// Skip blanks.
}
else
{
// We hit a non-global so we're done.
if (!line.Equals("} DacGlobals;"))
{
throw new
InvalidOperationException("Invalid dac header format at \"" + line + "\"");
}
break;
}
}
if (!fFoundVptrs)
{
throw new InvalidOperationException("Invalid dac header format. Vtable pointers not found.");
}
}
private static void ScanDacFile(String file,
SymbolProvider sf,
List<UInt32> rvaArray,
out UInt32 numGlobals)
{
StreamReader strm =
new StreamReader(file, System.Text.Encoding.ASCII);
String line;
Hashtable vtables = new Hashtable(); // hashtable to guarantee uniqueness of entries
//
// Scan through the data access header file looking
// for the globals structure.
//
for (;;)
{
line = strm.ReadLine();
if (line == null)
{
throw new
InvalidOperationException("Invalid dac header format");
}
else if (line == "typedef struct _DacGlobals")
{
break;
}
}
if (strm.ReadLine() != "{")
{
throw new InvalidOperationException("Invalid dac header format");
}
//
// All the globals come first so pick up each line that
// begins with ULONG.
//
bool fFoundVptrs = false;
numGlobals = 0;
for (;;)
{
line = strm.ReadLine().Trim();
if ( line.Equals("union {")
|| line.Equals("struct {")
|| line.Equals("};")
|| line.StartsWith("#line ")
|| line.StartsWith("# "))
{
// Ignore.
}
else if (line.StartsWith("ULONG "))
{
UInt32 rva = 0;
line = line.Remove(0, 6);
line = line.TrimEnd(";".ToCharArray());
string vptrSuffixSingle = "__vtAddr";
string vptrSuffixMulti = "__mvtAddr";
string vptrSuffix = null;
if (line.EndsWith(vptrSuffixSingle))
{
vptrSuffix = vptrSuffixSingle;
}
else if (line.EndsWith(vptrSuffixMulti))
{
vptrSuffix = vptrSuffixMulti;
}
if (vptrSuffix != null)
{
if (!fFoundVptrs)
{
numGlobals = (UInt32)rvaArray.Count;
fFoundVptrs = true;
}
line = line.Remove(line.Length - vptrSuffix.Length,
vptrSuffix.Length);
string keyBaseName = null;
string descTail = null;
if (vptrSuffix == vptrSuffixMulti)
{
// line now has the form <class>__<base>, so
// split off the base.
int basePrefix = line.LastIndexOf("__");
if (basePrefix < 0)
{
throw new InvalidOperationException("VPTR_MULTI_CLASS has no keyBase.");
}
keyBaseName = line.Substring(basePrefix + 2);
line = line.Remove(basePrefix);
descTail = " for " + keyBaseName;
}
rva = sf.GetVTableRVA(line, keyBaseName);
if (rva == UInt32.MaxValue)
{
Console.WriteLine(" " + ToHexNB(rva));
Shell.Error("Invalid vtable " + line + descTail);
}
else
{
String existing = (String)vtables[rva];
if (existing != null)
{
throw new InvalidOperationException(existing + " and " + line + " are at the same offsets." +
" Add VPTR_UNIQUE(<a random unique number here>) to the offending classes to make their vtables unique.");
}
vtables[rva] = line;
Console.WriteLine(" " + ToHexNB(rva) +
", // vtable " + line + descTail);
}
}
else
{
SymbolProvider.SymType symType;
if (fFoundVptrs)
throw new InvalidOperationException("Invalid dac header format. Vtable pointers must be last.");
if (line.StartsWith("dac__"))
{
// Global variables, use the prefix.
line = line.Remove(0, 5);
symType = SymbolProvider.SymType.GlobalData;
}
else if (line.StartsWith("fn__"))
{
// Global or static functions, use the prefix.
line = line.Remove(0, 4);
line = line.Replace("__", "::");
symType = SymbolProvider.SymType.GlobalFunction;
}
else
{
// Static member variable, use the full name with
// namespace replacement.
line = line.Replace("__", "::");
symType = SymbolProvider.SymType.GlobalData;
}
if (0 == rva)
{
rva = sf.GetGlobalRVA(line, symType);
if (rva == UInt32.MaxValue)
{
Console.WriteLine(" " + ToHexNB(rva));
Shell.Error("Invalid symbol " + line);
}
else
{
Console.WriteLine(" " + ToHexNB(rva) + ", // " +
line);
}
}
}
rvaArray.Add(rva);
}
else if (line == "")
{
// Skip blanks.
}
else
{
// We hit a non-global so we're done.
if (!line.Equals("} DacGlobals;"))
{
throw new
InvalidOperationException("Invalid dac header format at \"" + line + "\"");
}
break;
}
}
if (!fFoundVptrs)
throw new InvalidOperationException("Invalid dac header format. Vtable pointers not found.");
}
