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-rw-r--r--test/test.rs67
1 files changed, 64 insertions, 3 deletions
diff --git a/test/test.rs b/test/test.rs
index b8c14a7..e2c52fe 100644
--- a/test/test.rs
+++ b/test/test.rs
@@ -28,7 +28,7 @@ fn test_invalid(data: &[u8]) {
fn test_invalid_under(decoder: &InstDecoder, data: &[u8]) {
if let Some(inst) = decoder.decode(data.into_iter().cloned()) {
- assert_eq!(inst.opcode, yaxpeax_x86::Opcode::Invalid);
+ assert_eq!(inst.opcode, yaxpeax_x86::Opcode::Invalid, "decoded {:?} from {:02x?} under decoder {}", inst.opcode, data, decoder);
} else {
// this is fine
}
@@ -48,15 +48,16 @@ fn test_display_under(decoder: &InstDecoder, data: &[u8], expected: &'static str
let text = format!("{}", instr);
assert!(
text == expected,
- "display error for {}:\n decoded: {:?}\n displayed: {}\n expected: {}\n",
+ "display error for {}:\n decoded: {:?} under decoder {}\n displayed: {}\n expected: {}\n",
hex,
instr,
+ decoder,
text,
expected
);
},
None => {
- assert!(false, "decode error for {}:\n expected: {}\n", hex, expected);
+ assert!(false, "decode error for {} under decoder {}:\n expected: {}\n", hex, decoder, expected);
}
}
}
@@ -97,6 +98,66 @@ fn test_cvt() {
}
#[test]
+fn test_sse3() {
+ fn test_instr(bytes: &[u8], text: &'static str) {
+ test_display_under(&InstDecoder::minimal().with_sse3(), bytes, text);
+ test_invalid_under(&InstDecoder::minimal(), bytes);
+ // avx doesn't imply older instructions are necessarily valid
+ test_invalid_under(&InstDecoder::minimal().with_avx(), bytes);
+ // sse4 doesn't imply older instructions are necessarily valid
+ test_invalid_under(&InstDecoder::minimal().with_sse4_1(), bytes);
+ test_invalid_under(&InstDecoder::minimal().with_sse4_2(), bytes);
+ }
+
+ fn test_instr_invalid(bytes: &[u8]) {
+ test_invalid_under(&InstDecoder::minimal().with_sse3(), bytes);
+ test_invalid_under(&InstDecoder::default(), bytes);
+ }
+
+ test_instr(&[0xf2, 0x0f, 0xf0, 0x0f], "lddqu xmm1, [rdi]");
+ test_instr_invalid(&[0xf2, 0x0f, 0xf0, 0xcf]);
+ test_instr(&[0xf2, 0x0f, 0xd0, 0x0f], "addsubps xmm1, [rdi]");
+ test_instr(&[0xf2, 0x0f, 0xd0, 0xcf], "addsubps xmm1, xmm7");
+ test_instr(&[0xf2, 0x4f, 0x0f, 0xd0, 0xcf], "addsubps xmm9, xmm15");
+ test_instr(&[0x66, 0x0f, 0xd0, 0x0f], "addsubpd xmm1, [rdi]");
+ test_instr(&[0x66, 0x0f, 0xd0, 0xcf], "addsubpd xmm1, xmm7");
+ test_instr(&[0x66, 0x4f, 0x0f, 0xd0, 0xcf], "addsubpd xmm9, xmm15");
+
+ test_instr(&[0xf2, 0x0f, 0x7c, 0x0f], "haddps xmm1, [rdi]");
+ test_instr(&[0xf2, 0x0f, 0x7c, 0xcf], "haddps xmm1, xmm7");
+ test_instr(&[0xf2, 0x4f, 0x0f, 0x7c, 0xcf], "haddps xmm9, xmm15");
+ test_instr(&[0x66, 0x0f, 0x7c, 0x0f], "haddpd xmm1, [rdi]");
+ test_instr(&[0x66, 0x0f, 0x7c, 0xcf], "haddpd xmm1, xmm7");
+ test_instr(&[0x66, 0x4f, 0x0f, 0x7c, 0xcf], "haddpd xmm9, xmm15");
+
+ test_instr(&[0xf2, 0x0f, 0x7d, 0x0f], "hsubps xmm1, [rdi]");
+ test_instr(&[0xf2, 0x0f, 0x7d, 0xcf], "hsubps xmm1, xmm7");
+ test_instr(&[0xf2, 0x4f, 0x0f, 0x7d, 0xcf], "hsubps xmm9, xmm15");
+ test_instr(&[0x66, 0x0f, 0x7d, 0x0f], "hsubpd xmm1, [rdi]");
+ test_instr(&[0x66, 0x0f, 0x7d, 0xcf], "hsubpd xmm1, xmm7");
+ test_instr(&[0x66, 0x4f, 0x0f, 0x7d, 0xcf], "hsubpd xmm9, xmm15");
+
+ test_instr(&[0xf3, 0x0f, 0x12, 0x0f], "movsldup xmm1, [rdi]");
+ test_instr(&[0xf3, 0x0f, 0x12, 0xcf], "movsldup xmm1, xmm7");
+ test_instr(&[0xf3, 0x4f, 0x0f, 0x12, 0xcf], "movsldup xmm9, xmm15");
+ test_instr(&[0xf3, 0x0f, 0x16, 0x0f], "movshdup xmm1, [rdi]");
+ test_instr(&[0xf3, 0x0f, 0x16, 0xcf], "movshdup xmm1, xmm7");
+ test_instr(&[0xf3, 0x4f, 0x0f, 0x16, 0xcf], "movshdup xmm9, xmm15");
+
+ test_instr(&[0xf2, 0x0f, 0x12, 0x0f], "movddup xmm1, [rdi]");
+ test_instr(&[0xf2, 0x0f, 0x12, 0xcf], "movddup xmm1, xmm7");
+ test_instr(&[0xf2, 0x4f, 0x0f, 0x12, 0xcf], "movddup xmm9, xmm15");
+
+ test_instr(&[0x66, 0x0f, 0x01, 0xc8], "monitor");
+ test_instr(&[0xf2, 0x0f, 0x01, 0xc8], "monitor");
+ test_instr(&[0xf3, 0x0f, 0x01, 0xc8], "monitor");
+
+ test_instr(&[0x66, 0x0f, 0x01, 0xc9], "mwait");
+ test_instr(&[0xf2, 0x0f, 0x01, 0xc9], "mwait");
+ test_instr(&[0xf3, 0x0f, 0x01, 0xc9], "mwait");
+}
+
+#[test]
fn test_0f01() {
// drawn heavily from "Table A-6. Opcode Extensions for One- and Two-byte Opcodes by Group
// Number"