__CONTEXT_OFFSET_X26 41 uspace/lib/c/arch/arm64/include/libarch/fibril_context.h #define __CONTEXT_OFFSET_X26 0x48 __CONTEXT_OFFSET_X26 59 uspace/lib/c/arch/riscv64/include/libarch/fibril_context.h #define __CONTEXT_OFFSET_X26 0xd8HelenOS homepage, sources at GitHub