HelenOS sources

ISTATE_OFFSET_R15   46 kernel/arch/amd64/include/arch/istate_struct.h #define ISTATE_OFFSET_R15         0x70
ISTATE_OFFSET_R15   47 kernel/arch/ppc32/include/arch/istate_struct.h #define ISTATE_OFFSET_R15       0x3c
ISTATE_OFFSET_R15   46 uspace/lib/c/arch/amd64/include/libarch/istate_struct.h #define ISTATE_OFFSET_R15         0x70
ISTATE_OFFSET_R15   47 uspace/lib/c/arch/ppc32/include/libarch/istate_struct.h #define ISTATE_OFFSET_R15       0x3c