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cCdbWrapper_ftxSplitSymbolOrAddress.py
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cCdbWrapper_ftxSplitSymbolOrAddress.py
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import re;
def cCdbWrapper_ftxSplitSymbolOrAddress(oCdbWrapper, sSymbolOrAddress, doModules_by_sCdbId):
oMatch = re.match(r"^\s*%s\s*$" % (
r"(?:" # either {
r"(0x[0-9A-F`]+)" # ("0x" address)
r"|" # } or {
r"<Unloaded_(.*)>" # "<Unloaded_" module_file_name ">"
r"(\+0x[0-9A-F]+)?" # optional{ ("+0x" offset_in_unloaded_module) }
"|" # } or {
r"(\w+)" # (cdb_module_id)
r"(?:" # either {
r"(\+0x[0-9A-F]+)" # ("+0x" offset_in_module)
r"|" # } or {
r"!(.+?)([\+\-]0x[0-9A-F]+)?" # "!" (function_name) optional{ (["+" || "-"] "0x" offset) }
r")?" # } or { nothing }
r")" # }
), sSymbolOrAddress, re.I);
assert oMatch, "Unknown symbol or address format: %s" % repr(sSymbolOrAddress);
(
sAddress,
sUnloadedModuleFileName,
sUnloadedModuleOffset,
sModuleCdbId,
sModuleOffset,
sSymbol, sSymbolOffset
) = oMatch.groups();
uAddress = None;
oModule = None;
uModuleOffset = None;
oFunction = None;
uFunctionOffset = None;
if sAddress:
uAddress = long(sAddress.replace("`", ""), 16);
elif sUnloadedModuleFileName:
# sUnloadedModuleFileName is returned without modification
uModuleOffset = sUnloadedModuleOffset and long(sUnloadedModuleOffset.replace("`", ""), 16) or 0;
elif sModuleCdbId == "SharedUserData":
# "ShareUserData" is a symbol outside of any module that gets used as a module name in cdb.
# Any value referencing it will be converted to an address:
sAddress = "SharedUserData";
if sSymbol: sAddress += "!%s" % sSymbol;
uAddress = oCdbWrapper.fuGetValueForSymbol(sAddress);
if uModuleOffset: uAddress += uModuleOffset;
if uSymbolOffset: uAddress += uSymbolOffset;
else:
oModule = doModules_by_sCdbId[sModuleCdbId];
if sSymbol:
oFunction = oModule.foGetOrCreateFunction(sSymbol);
uFunctionOffset = sSymbolOffset and long(sSymbolOffset.replace("`", ""), 16) or 0;
elif sModuleOffset:
uModuleOffset = long(sModuleOffset.replace("`", ""), 16);
else:
uModuleOffset = 0;
return (
uAddress,
sUnloadedModuleFileName, oModule, uModuleOffset,
oFunction, uFunctionOffset
);