STACK_END        1093 gc.c           # define STACK_LENGTH  (STACK_START - STACK_END)
STACK_END        1095 gc.c           # define STACK_LENGTH  (STACK_END - STACK_START + 1)
STACK_END        1097 gc.c           # define STACK_LENGTH  ((STACK_END < STACK_START) ? STACK_START - STACK_END\
STACK_END        1098 gc.c                                                      : STACK_END - STACK_START + 1)
STACK_END        1108 gc.c               if (STACK_END > addr) return ruby_stack_grow_direction = 1;
STACK_END        1120 gc.c               if (p) *p = STACK_UPPER(STACK_END, STACK_START, STACK_END);
STACK_END        1984 gc.c               mark_locations_array((VALUE*)((char*)STACK_END + 2),
STACK_END        1985 gc.c           			 (STACK_START - STACK_END));