#if 0 exec cc -Wall -Wextra $@ -o $(dirname $0)/jrp $0 #endif enum op { OP_PROL = 0xfc8948e789495741, // push r15; mov r15, rsp; mov rsp, rdi OP_EPIL = 0x5f41fc894ce08948, // mov rax, rsp; mov rsp, r15; pop r15 OP_RET = 0x90666690666666c3, // ret OP_CALL = 0x90666666d0ff5f58, // pop rax; pop rdi; call rax OP_PUSH = 0x9066660000000068, // push strict dword 0 OP_DROP = 0x9066666608c48348, // add rsp, 8 OP_DUP = 0x90906666662434ff, // push qword [rsp] OP_SWAP = 0x9066666650515859, // pop rcx; pop rax; push rcx; push rax OP_NEG = 0x90666666241cf748, // neg qword [rsp] OP_ADD = 0x906666240c014859, // pop rcx; add [rsp], rcx OP_SUB = 0x906666240c294859, // pop rcx; sub [rsp], rcx OP_MUL = 0x9050c1af0f485859, // pop rcx; pop rax; imul rax, rcx; push rax OP_DIV = 0x50f9f74899485859, // pop rcx; pop rax; cqo; idiv rcx; push rax OP_REM = 0x52f9f74899485859, // pop rcx; pop rax; cqo; idiv rcx; push rdx OP_NOT = 0x906666662414f748, // not qword [rsp] OP_AND = 0x906666240c214859, // pop rcx; and [rsp], rcx OP_OR = 0x906666240c904859, // pop rcx; or [rsp], rcx OP_XOR = 0x906666240c314859, // pop rcx; xor [rsp], rcx OP_SHL = 0x9066662424d34859, // pop rcx; shl qword [rsp], cl OP_SHR = 0x906666242cd34859, // pop rcx; shr qword [rsp], cl }; int main() { return 0; }