__CONTEXT_OFFSET_X27 42 uspace/lib/c/arch/arm64/include/libarch/fibril_context.h #define __CONTEXT_OFFSET_X27 0x50 __CONTEXT_OFFSET_X27 60 uspace/lib/c/arch/riscv64/include/libarch/fibril_context.h #define __CONTEXT_OFFSET_X27 0xe0HelenOS homepage, sources at GitHub