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Ryan Houdek
492dac719f
This test is trying to execute "invalid" code from the last two pages of the address space to the first two pages of the address space. But failed to noticed that the last two pages of the 32-bit x86 address space are actually valid, usually containing VDSO things.
FEX Unit tests
FEX has its own test suite for x86-64 emulation, and we also use gcc's target tests, posixtest, and gvisor's tests. We use a combination of CMake/CTest and python runner scripts.
We also regularly run and pass qemu's and valgrind's tests for validation, but those aren't in CI right now.
x86/64 testing
- A lot of handwritten assembly unit tests in 32Bit_ASM and ASM folders, run via our TestHarnessHelper
- A few handwritten IR tests in IR, run via our IRLoader
- gcc-target-tests-32 and gcc-target-tests-64, run via FEX. The tests binaries are in External/fex-gcc-target-tests-bins
Syscall testing
- 64-bit posixtest from http://posixtest.sourceforge.net/, run via FEX. The tests binaries are in External/fex-posixtest-bins
- 64-bit gvisor tests from https://github.com/google/gvisor, run via FEX. The tests binaries are in External/fex-gvisor-tests-bins