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authoriximeow <me@iximeow.net>2021-09-26 00:40:03 -0700
committeriximeow <me@iximeow.net>2021-09-26 00:40:03 -0700
commit23bd0b37482a127c8f954ce7e068a507b9c1e09e (patch)
tree634a991f40463f9a1c50b75f5cf4b5ba6e4ef7c0 /test/armv8
parent7fee2c5dafb84ee93ddb6a8f582e99d445c82677 (diff)
fix unimplemented code paths panicking as unreachable
only in a64 decoding really; there wasn't an "Incomplete" error at the time, but now there is.
Diffstat (limited to 'test/armv8')
-rw-r--r--test/armv8/a64.rs19
1 files changed, 19 insertions, 0 deletions
diff --git a/test/armv8/a64.rs b/test/armv8/a64.rs
index 35a255d..6dd9d9b 100644
--- a/test/armv8/a64.rs
+++ b/test/armv8/a64.rs
@@ -1,5 +1,6 @@
use yaxpeax_arch::{Arch, Decoder, LengthedInstruction};
use yaxpeax_arm::armv8::a64::{ARMv8, Instruction, Operand, Opcode, SizeCode, ShiftStyle};
+use yaxpeax_arm::armv8::a64::DecodeError;
fn test_decode(data: [u8; 4], expected: Instruction) {
let mut reader = yaxpeax_arch::U8Reader::new(&data[..]);
@@ -12,6 +13,17 @@ fn test_decode(data: [u8; 4], expected: Instruction) {
);
}
+fn test_err(data: [u8; 4], err: DecodeError) {
+ let mut reader = yaxpeax_arch::U8Reader::new(&data[..]);
+ let result = <ARMv8 as Arch>::Decoder::default().decode(&mut reader);
+ assert_eq!(
+ result, Err(err),
+ "expected IncompleteDecoder error for {:02x}{:02x}{:02x}{:02x}:\n decoded: {:?}\n",
+ data[0], data[1], data[2], data[3],
+ result,
+ );
+}
+
fn test_display(data: [u8; 4], expected: &'static str) {
let mut reader = yaxpeax_arch::U8Reader::new(&data[..]);
let instr = <ARMv8 as Arch>::Decoder::default().decode(&mut reader).unwrap();
@@ -26,6 +38,13 @@ fn test_display(data: [u8; 4], expected: &'static str) {
}
#[test]
+fn test_neon() {
+ // currently, NEON is incompletely implemented in yaxpeax-arm.
+ test_err([0x00, 0x01, 0x27, 0x1e], DecodeError::IncompleteDecoder);
+ test_display([0xe0, 0x03, 0x13, 0xaa], "mov x0, x19");
+}
+
+#[test]
fn test_display_misc() {
test_display(
[0xc0, 0x03, 0x5f, 0xd6],