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loader: emulate immediate SSE4a instructions on macOS (#635)

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* loader: emulate immediate SSE4a instructions on macOS

* tests: simplify macOS SSE4a test integration

Keep the Darwin target, CTest registration, and aggregate dependency in
one conditional block without a separate target list. Preserve the
standalone target when BUILD_TESTING is disabled.

Lowercase the test filename and diagnostic prefix, and drop unrelated
formatting changes from the instruction emulator.

Credit Brandon Strong's related SSE4a work in
https://github.com/KytyPS5/KytyPS5/pull/467.

Co-authored-by: Brandon Strong <brandostrong@gmail.com>

---------

Co-authored-by: nmzik <Nmzik@mail.ru>
Co-authored-by: Brandon Strong <brandostrong@gmail.com>
This commit is contained in:
Jean-Philippe
2026-09-17 09:23:50 +02:00
committed by GitHub
parent f30afc184e
commit 4e6f4f99d3
3 changed files with 283 additions and 6 deletions
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CMakeLists.txt
+15
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@@ -601,6 +601,21 @@ if(BUILD_TESTING)
)
endif()
# Test Darwin signal-context restoration for SSE4a instructions.
if(APPLE AND (CMAKE_OSX_ARCHITECTURES STREQUAL "x86_64" OR
(NOT CMAKE_OSX_ARCHITECTURES AND CMAKE_SYSTEM_PROCESSOR MATCHES "^(x86_64|AMD64)$")))
add_executable(macos_sse4a_tests EXCLUDE_FROM_ALL
"${KYTY_TESTS_DIR}/macosSse4aTests.cpp"
"${KYTY_SOURCE_DIR}/loader/x64InstructionEmulator.cpp"
)
target_link_libraries(macos_sse4a_tests common fmt::fmt Zydis::Zydis)
target_include_directories(macos_sse4a_tests PRIVATE ${inc_headers})
if(BUILD_TESTING)
add_test(NAME macos_sse4a COMMAND $<TARGET_FILE:macos_sse4a_tests>)
set_tests_properties(macos_sse4a PROPERTIES TIMEOUT 15)
add_dependencies(kyty_tests macos_sse4a_tests)
endif()
endif()
add_executable(kyty_emulator "${KYTY_SOURCE_DIR}/main.cpp" ${kyty_emulator_src})
configure_macos_guest_address_space(kyty_emulator)