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Update README.md, showcasing more zig way of using it #4

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Merged
SoraTenshi merged 3 commits into from
Jun 1, 2025
Merged

Update README.md, showcasing more zig way of using it #4

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d1b5ba3
Update README.md, showcasing more "zig" way of using it
IamSanjid Jun 1, 2025
e343899
Update README.md
IamSanjid Jun 1, 2025
b6905df
Update README.md
IamSanjid Jun 1, 2025
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36 changes: 17 additions & 19 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -25,31 +25,29 @@ const cs = @import("capstone-z");
const CODE = "\x55\x48\x8b\x05\xb8\x13\x00\x00\xe9\xea\xbe\xad\xde\xff\x25\x23\x01\x00\x00\xe8\xdf\xbe\xad\xde\x74\xff";

pub fn main() !void {
try cs.setup.initCapstone(std.heap.page_allocator);

var handle = try cs.open(cs.Arch.X86, cs.Mode.@"64");
defer cs.close(&handle) catch |e| {
std.debug.print("handle not closed cuz: {any}\n", .{e});
unreachable;
};

const disass = try cs.disasm(handle, CODE, 0x1000, 0);
defer cs.free(disass);

for (disass, 0..) |insn, i| {
std.debug.print("{d}: {*}: 0x{x}\t{s}\t{s}\n", .{ i, &disass.ptr[i], insn.address, insn.mnemonic, insn.op_str });
var handle = try cs.ManagedHandle.init(cs.Arch.X86, cs.Mode.@"64", .{
.syntax = .INTEL,
.detail = true,
.mnemonic = &.{.{ .id = cs.c.X86_INS_JMP, .mnemonic = "our_jmp" }},
});
defer handle.deinit();

var iter = handle.disasmIter(CODE, 0x1000);
var index: usize = 0;
while (iter.next()) |insn| : (index += 1) {
std.debug.print("{d}: 0x{x}\t{s}\t{s}\n", .{ index, insn.address, insn.mnemonic, insn.op_str });
}
}
```

that gives the following output:
```
0: src.insn.Insn@7feca4d0b000: 0x1000 push rbp
1: src.insn.Insn@7feca4d0b0f8: 0x1001 mov rax, qword ptr [rip + 0x13b8]
2: src.insn.Insn@7feca4d0b1f0: 0x1008 jmp 0xffffffffdeadcef7
3: src.insn.Insn@7feca4d0b2e8: 0x100d jmp qword ptr [rip + 0x123]
4: src.insn.Insn@7feca4d0b3e0: 0x1013 call 0xffffffffdeadcef7
5: src.insn.Insn@7feca4d0b4d8: 0x1018 je 0x1019
0: 0x1000 push rbp
1: 0x1001 mov rax, qword ptr [rip + 0x13b8]
2: 0x1008 our_jmp 0xffffffffdeadcef7
3: 0x100d our_jmp qword ptr [rip + 0x123]
4: 0x1013 call 0xffffffffdeadcef7
5: 0x1018 je 0x1019
```

## License
Expand Down