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Fix reproducibility of unicorn context

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momo5502
2024-10-26 08:40:19 +02:00
parent b5de610dc1
commit b6a8f9793e
3 changed files with 8 additions and 11 deletions
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2
deps/unicorn vendored

Submodule deps/unicorn updated: 35c15efcb4...62caeb2dce

6
src/unicorn-emulator/unicorn_x64_emulator.cpp
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@@ -112,6 +112,12 @@ namespace unicorn
uc_context_serializer(uc_engine* uc, const bool in_place)
: uc_(uc)
{
if (in_place)
{
// Unicorn stores pointers in the struct. The serialization here is broken
throw std::runtime_error("Memory saving not supported atm");
}
uc_ctl_context_mode(uc, UC_CTL_CONTEXT_CPU | (in_place ? UC_CTL_CONTEXT_MEMORY : 0));
this->size_ = uc_context_size(uc);

11
src/windows-emulator-test/serialization_test.cpp
View File

@@ -24,16 +24,7 @@ namespace test
auto buffer1 = serializer1.move_buffer();
auto buffer2 = serializer2.move_buffer();
// Unicorn context contains unpredictable data
constexpr auto unicorn_offset = 30;
ASSERT_GT(buffer1.size(), unicorn_offset);
ASSERT_EQ(buffer1.size(), buffer2.size());
buffer1.erase(buffer1.begin(), buffer1.begin() + unicorn_offset);
buffer2.erase(buffer2.begin(), buffer2.begin() + unicorn_offset);
ASSERT_EQ(buffer1, buffer2);
ASSERT_EQ(serializer1.get_buffer(), serializer2.get_buffer());
}
TEST(SerializationTest, DISABLED_EmulationIsReproducible)