u32 SymbolMap::GetDataModuleAddress(u32 startAddress) const {
lock_guard guard(lock_);
auto it = activeData.find(startAddress);
if (it == activeData.end())
return INVALID_ADDRESS;
return GetModuleAbsoluteAddr(0, it->second.module);
}
u32 SymbolMap::GetDataModuleAddress(u32 startAddress) {
if (activeNeedUpdate_)
UpdateActiveSymbols();
std::lock_guard<std::recursive_mutex> guard(lock_);
auto it = activeData.find(startAddress);
if (it == activeData.end())
return INVALID_ADDRESS;
return GetModuleAbsoluteAddr(0, it->second.module);
}
void SymbolMap::SaveNocashSym(const char *filename) const {
lock_guard guard(lock_);
// Don't bother writing a blank file.
if (!File::Exists(filename) && functions.empty() && data.empty()) {
return;
}
FILE* f = fopen(filename, "w");
if (f == NULL)
return;
// only write functions, the rest isn't really interesting
for (auto it = functions.begin(), end = functions.end(); it != end; ++it) {
const FunctionEntry& e = it->second;
fprintf(f, "%08X %s,%04X\n", GetModuleAbsoluteAddr(e.start,e.module),GetLabelNameRel(e.start, e.module), e.size);
}
fclose(f);
}
bool SymbolMap::LoadSymbolMap(const char *filename) {
Clear(); // let's not recurse the lock
lock_guard guard(lock_);
#if defined(_WIN32) && defined(UNICODE)
gzFile f = gzopen_w(ConvertUTF8ToWString(filename).c_str(), "r");
#else
gzFile f = gzopen(filename, "r");
#endif
if (f == Z_NULL)
return false;
//char temp[256];
//fgets(temp,255,f); //.text section layout
//fgets(temp,255,f); // Starting Virtual
//fgets(temp,255,f); // address Size address
//fgets(temp,255,f); // -----------------------
bool started = false;
bool hasModules = false;
while (!gzeof(f)) {
char line[512], temp[256] = {0};
char *p = gzgets(f, line, 512);
if (p == NULL)
break;
// Chop any newlines off.
for (size_t i = strlen(line) - 1; i > 0; i--) {
if (line[i] == '\r' || line[i] == '\n') {
line[i] = '\0';
}
}
if (strlen(line) < 4 || sscanf(line, "%s", temp) != 1)
continue;
if (strcmp(temp,"UNUSED")==0) continue;
if (strcmp(temp,".text")==0) {started=true;continue;};
if (strcmp(temp,".init")==0) {started=true;continue;};
if (strcmp(temp,"Starting")==0) continue;
if (strcmp(temp,"extab")==0) continue;
if (strcmp(temp,".ctors")==0) break;
if (strcmp(temp,".dtors")==0) break;
if (strcmp(temp,".rodata")==0) continue;
if (strcmp(temp,".data")==0) continue;
if (strcmp(temp,".sbss")==0) continue;
if (strcmp(temp,".sdata")==0) continue;
if (strcmp(temp,".sdata2")==0) continue;
if (strcmp(temp,"address")==0) continue;
if (strcmp(temp,"-----------------------")==0) continue;
if (strcmp(temp,".sbss2")==0) break;
if (temp[1]==']') continue;
if (!started) continue;
u32 address = -1, size, vaddress = -1;
int moduleIndex = 0;
int typeInt;
SymbolType type;
char name[128] = {0};
if (sscanf(line, ".module %x %08x %08x %127c", &moduleIndex, &address, &size, name) == 4) {
// Found a module definition.
ModuleEntry mod;
mod.index = moduleIndex;
strcpy(mod.name, name);
mod.start = address;
mod.size = size;
modules.push_back(mod);
hasModules = true;
continue;
}
sscanf(line, "%08x %08x %x %i %127c", &address, &size, &vaddress, &typeInt, name);
type = (SymbolType) typeInt;
if (!hasModules) {
if (!Memory::IsValidAddress(vaddress)) {
ERROR_LOG(LOADER, "Invalid address in symbol file: %08x (%s)", vaddress, name);
continue;
}
} else {
// The 3rd field is now used for the module index.
moduleIndex = vaddress;
vaddress = GetModuleAbsoluteAddr(address, moduleIndex);
if (!Memory::IsValidAddress(vaddress)) {
ERROR_LOG(LOADER, "Invalid address in symbol file: %08x (%s)", vaddress, name);
continue;
}
}
if (type == ST_DATA && size == 0)
size = 4;
if (!strcmp(name, ".text") || !strcmp(name, ".init") || strlen(name) <= 1) {
} else {
switch (type)
{
case ST_FUNCTION:
AddFunction(name, vaddress, size, moduleIndex);
break;
case ST_DATA:
AddData(vaddress,size,DATATYPE_BYTE, moduleIndex);
if (name[0] != 0)
AddLabel(name, vaddress, moduleIndex);
break;
case ST_NONE:
case ST_ALL:
// Shouldn't be possible.
break;
}
}
}
gzclose(f);
SortSymbols();
return started;
}
