#include "syscall.h" #include #include long syscall_invoke(uint64_t syscall_id, uint64_t arg0, uint64_t arg1, uint64_t arg2, uint64_t arg3, uint64_t arg4, uint64_t arg5) { uint64_t __err_code; __asm__ __volatile__( "movq %2, %%rdi \n\t" "movq %3, %%rsi \n\t" "movq %4, %%rdx \n\t" "movq %5, %%r10 \n\t" "movq %6, %%r8 \n\t" "movq %7, %%r9 \n\t" "int $0x80 \n\t" "movq %%rax, %0 \n\t" :"=a"(__err_code) : "a"(syscall_id), "m"(arg0), "m"(arg1), "m"(arg2), "m"(arg3), "m"(arg4), "m"(arg5) : "memory", "r8", "r9", "r10", "r11", "rcx", "rdx", "rdi", "rsi"); // printf("errcode = %#018lx\n", __err_code); errno = __err_code; return __err_code; }