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update executable diff action

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This commit is contained in:
Martin Michelsen
2025-02-16 22:36:58 -08:00
parent 7570c3ce34
commit 984d8f0f31
3 changed files with 58 additions and 3 deletions
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src/AddressTranslator.cc
+43
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@@ -661,3 +661,46 @@ vector<DiffEntry> diff_dol_files(const string& a_filename, const string& b_filen
}
return ret;
}
vector<DiffEntry> diff_xbe_files(const string& a_filename, const string& b_filename) {
ResourceDASM::XBEFile a(a_filename.c_str());
ResourceDASM::XBEFile b(b_filename.c_str());
auto a_mem = make_shared<ResourceDASM::MemoryContext>();
auto b_mem = make_shared<ResourceDASM::MemoryContext>();
a.load_into(a_mem);
b.load_into(b_mem);
uint32_t min_addr = 0xFFFFFFFF;
uint32_t max_addr = 0x00000000;
for (const auto& sec : a.sections) {
min_addr = min<uint32_t>(min_addr, sec.addr);
max_addr = max<uint32_t>(max_addr, sec.addr + sec.size);
}
for (const auto& sec : b.sections) {
min_addr = min<uint32_t>(min_addr, sec.addr);
max_addr = max<uint32_t>(max_addr, sec.addr + sec.size);
}
vector<DiffEntry> ret;
for (uint32_t addr = min_addr; addr < max_addr; addr++) {
bool a_exists = a_mem->exists(addr, 1);
bool b_exists = b_mem->exists(addr, 1);
if (a_exists && b_exists) {
uint8_t a_value = a_mem->read_u8(addr);
uint8_t b_value = b_mem->read_u8(addr);
if (a_value != b_value) {
if (!ret.empty() && (ret.back().address + ret.back().b_data.size() == addr)) {
auto& entry = ret.back();
entry.a_data.push_back(a_value);
entry.b_data.push_back(b_value);
} else {
auto& entry = ret.emplace_back();
entry.address = addr;
entry.a_data.push_back(a_value);
entry.b_data.push_back(b_value);
}
}
}
}
return ret;
}