The ‘org.gnu.gdb.i386.core’ feature is required for i386/amd64 targets. It should describe the following registers:
The register sets may be different, depending on the target.
The ‘org.gnu.gdb.i386.sse’ feature is optional. It should describe registers:
The ‘org.gnu.gdb.i386.avx’ feature is optional and requires the ‘org.gnu.gdb.i386.sse’ feature. It should describe the upper 128 bits of ymm registers:
The ‘org.gnu.gdb.i386.linux’ feature is optional. It should describe a single register, ‘orig_eax’.