HelenOS sources

__CONTEXT_OFFSET_X22   37 uspace/lib/c/arch/arm64/include/libarch/fibril_context.h #define __CONTEXT_OFFSET_X22    0x28
__CONTEXT_OFFSET_X22   55 uspace/lib/c/arch/riscv64/include/libarch/fibril_context.h #define __CONTEXT_OFFSET_X22  0xb8