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authoriximeow <me@iximeow.net>2021-07-03 09:40:56 -0700
committeriximeow <me@iximeow.net>2021-07-03 09:40:56 -0700
commit8b4de9092947380e8602766f64af4081c89b29d7 (patch)
tree83b959959f29fbe6684705b032a1718e6da76d27 /src
parent312591aabadc6d43a80699e2a6da611932a643c7 (diff)
fix incorrect rex prefix selection
Diffstat (limited to 'src')
-rw-r--r--src/long_mode/mod.rs3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/long_mode/mod.rs b/src/long_mode/mod.rs
index 40e7fb2..769706f 100644
--- a/src/long_mode/mod.rs
+++ b/src/long_mode/mod.rs
@@ -7000,6 +7000,7 @@ fn read_instr<T: Reader<<Arch as yaxpeax_arch::Arch>::Address, <Arch as yaxpeax_
let record: OpcodeRecord = loop {
let record = next_rec;
if nextb >= 0x40 && nextb < 0x50 {
+ let b = nextb;
if words.offset() >= 15 {
return Err(DecodeError::TooLong);
}
@@ -7007,7 +7008,7 @@ fn read_instr<T: Reader<<Arch as yaxpeax_arch::Arch>::Address, <Arch as yaxpeax_
next_rec = unsafe {
core::ptr::read_volatile(&OPCODES[nextb as usize])
};
- prefixes.rex_from(nextb);
+ prefixes.rex_from(b);
} else if let Interpretation::Instruction(_) = record.0 {
break record;
} else {