代码

#include <sys/auxv.h>
#include <stdlib.h>
#include <string.h>
struct DuckInfo { unsigned long abi; const char *stdin_ptr; unsigned long stdin_size; char *stdout_ptr; unsigned long stdout_limit; unsigned long stdout_size; char *stderr_ptr; unsigned long stderr_limit; unsigned long stderr_size; const char *IB_ptr; unsigned long IB_limit; char *OB_ptr; unsigned long OB_limit; unsigned long tsc; } __attribute__((packed));
static struct DuckInfo *D;
static char big[64 * 4096] __attribute__((aligned(4096)));
static void fin(void) { (void)D; (void)big; }
__attribute__((constructor)) static void setup(void) { D = (struct DuckInfo*)getauxval(0x6b637564); atexit(fin); }
double plus(double a, double b) { return a + b; }

评测结果