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PPCSymbolDB: Split SaveMap function

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Rewrite the code map file generation
This commit is contained in:
Sepalani
2017-05-21 01:00:36 +01:00
parent 643b218c1d
commit 56f2d523dd
3 changed files with 68 additions and 87 deletions
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133
Source/Core/Core/PowerPC/PPCSymbolDB.cpp
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@ -394,90 +394,65 @@ bool PPCSymbolDB::LoadMap(const std::string& filename, bool bad)
return true;
}
// ===================================================
/* Save the map file and save a code file */
// ----------------
bool PPCSymbolDB::SaveMap(const std::string& filename, bool WithCodes) const
// Save symbol map similar to CodeWarrior's map file
bool PPCSymbolDB::SaveSymbolMap(const std::string& filename) const
{
// Format the name for the codes version
std::string mapFile = filename;
if (WithCodes)
mapFile = mapFile.substr(0, mapFile.find_last_of(".")) + "_code.map";
// Check size
const int wxYES_NO = 0x00000002 | 0x00000008;
if (functions.size() == 0)
{
if (!AskYesNo(
StringFromFormat(
"No symbol names are generated. Do you want to replace '%s' with a blank file?",
mapFile.c_str())
.c_str(),
"Confirm", wxYES_NO))
return false;
}
// Make a file
File::IOFile f(mapFile, "w");
File::IOFile f(filename, "w");
if (!f)
return false;
// --------------------------------------------------------------------
// Walk through every code row
// -------------------------
fprintf(f.GetHandle(), ".text\n"); // Write ".text" at the top
XFuncMap::const_iterator itr = functions.begin();
u32 LastAddress = 0x80004000;
std::string LastSymbolName;
while (itr != functions.end())
// Write ".text" at the top
fprintf(f.GetHandle(), ".text\n");
// Write symbol address, size, virtual address, alignment, name
for (const auto& function : functions)
{
// Save a map file
const Symbol& rSymbol = itr->second;
if (!WithCodes)
{
fprintf(f.GetHandle(), "%08x %08x %08x %i %s\n", rSymbol.address, rSymbol.size,
rSymbol.address, 0, rSymbol.name.c_str());
++itr;
}
// Save a code file
else
{
// Get the current and next address
LastAddress = rSymbol.address;
LastSymbolName = rSymbol.name;
++itr;
/* To make nice straight lines we fill out the name with spaces, we also cut off
all names longer than 25 letters */
std::string TempSym;
for (u32 i = 0; i < 25; i++)
{
if (i < LastSymbolName.size())
TempSym += LastSymbolName[i];
else
TempSym += " ";
}
// We currently skip the last block because we don't know how long it goes
int space;
if (itr != functions.end())
space = itr->second.address - LastAddress;
else
space = 0;
for (int i = 0; i < space; i += 4)
{
int Address = LastAddress + i;
std::string disasm = debugger->Disassemble(Address);
fprintf(f.GetHandle(), "%08x %i %20s %s\n", Address, 0, TempSym.c_str(), disasm.c_str());
}
// Write a blank line after each block
fprintf(f.GetHandle(), "\n");
}
const Symbol& symbol = function.second;
fprintf(f.GetHandle(), "%08x %08x %08x %i %s\n", symbol.address, symbol.size, symbol.address, 0,
symbol.name.c_str());
}
return true;
}
// Save code map (won't work if Core is running)
//
// Notes:
// - Dolphin doesn't load back code maps
// - It's a custom code map format
bool PPCSymbolDB::SaveCodeMap(const std::string& filename) const
{
constexpr int SYMBOL_NAME_LIMIT = 30;
File::IOFile f(filename, "w");
if (!f)
return false;
// Write ".text" at the top
fprintf(f.GetHandle(), ".text\n");
u32 next_address = 0;
for (const auto& function : functions)
{
const Symbol& symbol = function.second;
// Skip functions which are inside bigger functions
if (symbol.address + symbol.size <= next_address)
{
// At least write the symbol name and address
fprintf(f.GetHandle(), "// %08x beginning of %s\n", symbol.address, symbol.name.c_str());
continue;
}
// Write the symbol full name
fprintf(f.GetHandle(), "\n%s:\n", symbol.name.c_str());
next_address = symbol.address + symbol.size;
// Write the code
for (u32 address = symbol.address; address < next_address; address += 4)
{
const std::string disasm = debugger->Disassemble(address);
fprintf(f.GetHandle(), "%08x %-*.*s %s\n", address, SYMBOL_NAME_LIMIT, SYMBOL_NAME_LIMIT,
symbol.name.c_str(), disasm.c_str());
}
}
return true;
}
// ===========