summary refs log tree commit diff
path: root/.bin/jrp.c
blob: 615f8a978963330d3e8ca7ba7a541de5930549a0 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
#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;
}