main.c

/*
 * This work is released under the Creative Commons CC0 1.0 Universal License.
 *
 * Must compile with GCC for x86_64 target:
 * gcc -fno-pie -fno-stack-protector -o hello hello.c && ./hello
 *
 * Last tested: 2023-10-27, on gcc-13.2
 * https://godbolt.org/z/o8o97Pjca
 */

__attribute__((section(".text")))
const char main[] =
"\xb8\x01\0\0\0"
"\xbf\x01\0\0\0"
"\x67\x8d\x35\x0a\0\0\0"
"\xba\x13\0\0\0"
"\x0f\x05"
"\x31\xc0"
"\xc3"
"\xf0\x9f\x92\xa9 "
"Hello, world!\n"
"Who says main() has to be a function?";