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-rw-r--r--src/lib.rs230
1 files changed, 21 insertions, 209 deletions
diff --git a/src/lib.rs b/src/lib.rs
index 288aaae..97c679d 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -763,41 +763,35 @@ const BITWISE_OPCODE_MAP: [Opcode; 8] = [
Opcode::SAL,
Opcode::SAR
];
-fn read_opcode_660f_map<T: Iterator<Item=u8>>(_bytes_iter: &mut T, _instruction: &mut Instruction, _prefixes: Prefixes, _length: &mut u8) -> Result<OperandCode, String> {
+fn read_opcode_660f_map<T: Iterator<Item=u8>>(_bytes_iter: &mut T, _instruction: &mut Instruction, _length: &mut u8) -> Result<OperandCode, String> {
Err("660f opcode map unsupported".to_string())
}
-fn read_opcode_f20f_map<T: Iterator<Item=u8>>(bytes_iter: &mut T, instruction: &mut Instruction, prefixes: Prefixes, length: &mut u8) -> Result<OperandCode, String> {
+fn read_opcode_f20f_map<T: Iterator<Item=u8>>(bytes_iter: &mut T, instruction: &mut Instruction, length: &mut u8) -> Result<OperandCode, String> {
match bytes_iter.next() {
Some(b) => {
*length += 1;
match b {
0x10 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::MOVSD;
Ok(OperandCode::G_E_xmm)
},
0x11 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::MOVSD;
Ok(OperandCode::E_G_xmm)
},
0x12 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::MOVDDUP;
Ok(OperandCode::G_E_xmm)
},
0x2a => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::CVTSI2SD;
Ok(OperandCode::G_E_xmm)
},
0x2c => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::CVTTSD2SI;
Ok(OperandCode::G_E_xmm)
},
0x2d => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::CVTSD2SI;
Ok(OperandCode::G_E_xmm)
},
@@ -809,62 +803,50 @@ fn read_opcode_f20f_map<T: Iterator<Item=u8>>(bytes_iter: &mut T, instruction: &
Err("x86_64 CRC32 not currently supported".to_string())
}
0x51 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::SQRTSD;
Ok(OperandCode::G_E_xmm)
},
0x58 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::ADDSD;
Ok(OperandCode::G_E_xmm)
},
0x59 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::MULSD;
Ok(OperandCode::G_E_xmm)
},
0x5a => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::CVTSD2SS;
Ok(OperandCode::G_E_xmm)
},
0x5c => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::SUBSD;
Ok(OperandCode::G_E_xmm)
},
0x5d => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::MINSD;
Ok(OperandCode::G_E_xmm)
},
0x5e => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::DIVSD;
Ok(OperandCode::G_E_xmm)
},
0x5f => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::MAXSD;
Ok(OperandCode::G_E_xmm)
},
0x7c => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::HADDPS;
Ok(OperandCode::G_E_xmm)
},
0x7d => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::HSUBPS;
Ok(OperandCode::G_E_xmm)
},
0xD0 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::ADDSUBPS;
Ok(OperandCode::G_E_xmm)
},
0xf0 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::LDDQU;
Ok(OperandCode::G_E_xmm)
},
@@ -875,7 +857,6 @@ fn read_opcode_f20f_map<T: Iterator<Item=u8>>(bytes_iter: &mut T, instruction: &
0xe6 CVTPD2DQ
*/
_ => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::Invalid;
Err("Invalid opcode".to_string())
}
@@ -886,83 +867,68 @@ fn read_opcode_f20f_map<T: Iterator<Item=u8>>(bytes_iter: &mut T, instruction: &
}
}
}
-fn read_opcode_f30f_map<T: Iterator<Item=u8>>(bytes_iter: &mut T, instruction: &mut Instruction, prefixes: Prefixes, length: &mut u8) -> Result<OperandCode, String> {
+fn read_opcode_f30f_map<T: Iterator<Item=u8>>(bytes_iter: &mut T, instruction: &mut Instruction, length: &mut u8) -> Result<OperandCode, String> {
match bytes_iter.next() {
Some(b) => {
*length += 1;
match b {
0x10 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::MOVSS;
Ok(OperandCode::G_E_xmm)
},
0x11 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::MOVSS;
Ok(OperandCode::E_G_xmm)
},
0x12 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::MOVSLDUP;
Ok(OperandCode::G_E_xmm)
},
0x2a => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::CVTSI2SS;
Ok(OperandCode::G_E_xmm)
},
0x2c => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::CVTTSS2SI;
Ok(OperandCode::G_E_xmm)
},
0x2d => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::CVTSS2SI;
Ok(OperandCode::G_E_xmm)
},
0x51 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::SQRTSS;
Ok(OperandCode::G_E_xmm)
},
0x58 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::ADDSS;
Ok(OperandCode::G_E_xmm)
},
0x59 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::MULSS;
Ok(OperandCode::G_E_xmm)
},
0x5a => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::CVTSS2SD;
Ok(OperandCode::G_E_xmm)
},
0x5c => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::SUBSS;
Ok(OperandCode::G_E_xmm)
},
0x5d => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::MINSS;
Ok(OperandCode::G_E_xmm)
},
0x5e => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::DIVSS;
Ok(OperandCode::G_E_xmm)
},
0x5f => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::MAXSS;
Ok(OperandCode::G_E_xmm)
},
_ => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::Invalid;
Err("Invalid opcode".to_string())
}
@@ -973,271 +939,218 @@ fn read_opcode_f30f_map<T: Iterator<Item=u8>>(bytes_iter: &mut T, instruction: &
}
}
}
-fn read_opcode_0f_map<T: Iterator<Item=u8>>(bytes_iter: &mut T, instruction: &mut Instruction, prefixes: Prefixes, length: &mut u8) -> Result<OperandCode, String> {
+fn read_opcode_0f_map<T: Iterator<Item=u8>>(bytes_iter: &mut T, instruction: &mut Instruction, length: &mut u8) -> Result<OperandCode, String> {
match bytes_iter.next() {
Some(b) => {
*length += 1;
match b {
0x00 => {
- instruction.prefixes = prefixes;
Ok(OperandCode::ModRM_0x0f00)
}
0x01 => {
- instruction.prefixes = prefixes;
Ok(OperandCode::ModRM_0x0f01)
}
0x02 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::LAR;
Ok(OperandCode::Gv_M)
}
0x03 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::LSL;
Ok(OperandCode::Gv_M)
}
0x05 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::SYSCALL;
Ok(OperandCode::Nothing)
}
0x06 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::CLTS;
Ok(OperandCode::Nothing)
}
0x07 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::SYSRET;
Ok(OperandCode::Nothing)
}
0x08 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::INVD;
Ok(OperandCode::Nothing)
}
0x09 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::WBINVD;
Ok(OperandCode::Nothing)
}
0x0b => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::UD2;
Ok(OperandCode::Nothing)
}
0x0d => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::NOP;
Ok(OperandCode::Ev)
}
0x1f => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::NOP;
Ok(OperandCode::Ev)
},
0x20 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::MOV;
Ok(OperandCode::Rq_Cq_0)
},
0x21 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::MOV;
Ok(OperandCode::Rq_Dq_0)
},
0x22 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::MOV;
Ok(OperandCode::Cq_Rq_0)
},
0x23 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::MOV;
Ok(OperandCode::Dq_Rq_0)
},
0x30 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::WRMSR;
Ok(OperandCode::Nothing)
},
0x31 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::RDTSC;
Ok(OperandCode::Nothing)
},
0x32 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::RDMSR;
Ok(OperandCode::Nothing)
},
0x33 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::RDPMC;
Ok(OperandCode::Nothing)
},
0x40 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::CMOVO;
Ok(OperandCode::Gv_Ev)
},
0x41 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::CMOVNO;
Ok(OperandCode::Gv_Ev)
},
0x42 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::CMOVB;
Ok(OperandCode::Gv_Ev)
},
0x43 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::CMOVNB;
Ok(OperandCode::Gv_Ev)
},
0x44 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::CMOVZ;
Ok(OperandCode::Gv_Ev)
},
0x45 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::CMOVNZ;
Ok(OperandCode::Gv_Ev)
},
0x46 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::CMOVNA;
Ok(OperandCode::Gv_Ev)
},
0x47 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::CMOVA;
Ok(OperandCode::Gv_Ev)
},
0x48 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::CMOVS;
Ok(OperandCode::Gv_Ev)
},
0x49 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::CMOVNS;
Ok(OperandCode::Gv_Ev)
},
0x4a => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::CMOVP;
Ok(OperandCode::Gv_Ev)
},
0x4b => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::CMOVNP;
Ok(OperandCode::Gv_Ev)
},
0x4c => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::CMOVL;
Ok(OperandCode::Gv_Ev)
},
0x4d => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::CMOVGE;
Ok(OperandCode::Gv_Ev)
},
0x4e => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::CMOVLE;
Ok(OperandCode::Gv_Ev)
},
0x4f => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::CMOVG;
Ok(OperandCode::Gv_Ev)
},
0x80 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::JO;
Ok(OperandCode::Jvds)
},
0x81 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::JNO;
Ok(OperandCode::Jvds)
},
0x82 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::JB;
Ok(OperandCode::Jvds)
},
0x83 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::JNB;
Ok(OperandCode::Jvds)
},
0x84 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::JZ;
Ok(OperandCode::Jvds)
},
0x85 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::JNZ;
Ok(OperandCode::Jvds)
},
0x86 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::JNA;
Ok(OperandCode::Jvds)
},
0x87 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::JA;
Ok(OperandCode::Jvds)
},
0x88 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::JS;
Ok(OperandCode::Jvds)
},
0x89 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::JNS;
Ok(OperandCode::Jvds)
},
0x8a => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::JP;
Ok(OperandCode::Jvds)
},
0x8b => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::JNP;
Ok(OperandCode::Jvds)
},
0x8c => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::JL;
Ok(OperandCode::Jvds)
},
0x8d => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::JGE;
Ok(OperandCode::Jvds)
},
0x8e => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::JLE;
Ok(OperandCode::Jvds)
},
0x8f => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::JG;
Ok(OperandCode::Jvds)
},
x if x < 0xa0 => {
- instruction.prefixes = prefixes;
instruction.opcode = [
Opcode::SETO,
Opcode::SETNO,
@@ -1259,100 +1172,80 @@ fn read_opcode_0f_map<T: Iterator<Item=u8>>(bytes_iter: &mut T, instruction: &mu
Ok(OperandCode::Eb_R0)
}
0xa0 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::PUSH;
Ok(OperandCode::FS)
}
0xa1 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::POP;
Ok(OperandCode::GS)
}
0xa2 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::CPUID;
Ok(OperandCode::Nothing)
}
0xa3 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::BT;
Ok(OperandCode::Gv_Ev)
}
0xa8 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::PUSH;
Ok(OperandCode::Nothing)
}
0xa9 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::PUSH;
Ok(OperandCode::GS)
}
0xae => {
- instruction.prefixes = prefixes;
Ok(OperandCode::ModRM_0x0fae)
}
0xaf => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::IMUL;
Ok(OperandCode::Gv_Ev)
}
0xb0 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::CMPXCHG;
Ok(OperandCode::Eb_Gb)
},
0xb1 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::CMPXCHG;
Ok(OperandCode::Ev_Gv)
}
0xb6 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::MOVZX_b;
Ok(OperandCode::Gv_Eb)
},
0xb7 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::MOVZX_w;
Ok(OperandCode::Gv_Ew)
}
0xba => {
- instruction.prefixes = prefixes;
Ok(OperandCode::ModRM_0x0fba)
}
0xbb => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::BTC;
Ok(OperandCode::Gv_Ev)
}
0xbc => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::BSF;
Ok(OperandCode::Gv_Ev)
}
0xbd => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::BSR;
Ok(OperandCode::Gv_Ev)
}
0xbe => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::MOVSX_b;
Ok(OperandCode::Gv_Eb)
}
0xbf => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::MOVSX_w;
Ok(OperandCode::Gv_Ew)
}
0xc0 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::XADD;
Ok(OperandCode::Eb_Gb)
}
0xc1 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::XADD;
Ok(OperandCode::Ev_Gv)
}
@@ -1371,7 +1264,7 @@ fn read_opcode<T: Iterator<Item=u8>>(bytes_iter: &mut T, instruction: &mut Instr
let mut alternate_opcode_map: Option<OpcodeMap> = None;
use std::hint::unreachable_unchecked;
// use std::intrinsics::unlikely;
- let mut prefixes = Prefixes::new(0);
+ instruction.prefixes = Prefixes::new(0);
loop {
match bytes_iter.next() {
Some(b) => {
@@ -1385,33 +1278,33 @@ fn read_opcode<T: Iterator<Item=u8>>(bytes_iter: &mut T, instruction: &mut Instr
0x0f => {
return match alternate_opcode_map {
Some(OpcodeMap::Map66) => {
- read_opcode_660f_map(bytes_iter, instruction, prefixes, length)
+ read_opcode_660f_map(bytes_iter, instruction, length)
},
Some(OpcodeMap::MapF2) => {
- read_opcode_f20f_map(bytes_iter, instruction, prefixes, length)
+ read_opcode_f20f_map(bytes_iter, instruction, length)
},
Some(OpcodeMap::MapF3) => {
- read_opcode_f30f_map(bytes_iter, instruction, prefixes, length)
+ read_opcode_f30f_map(bytes_iter, instruction, length)
},
None => {
- read_opcode_0f_map(bytes_iter, instruction, prefixes, length)
+ read_opcode_0f_map(bytes_iter, instruction, length)
}
};
},
0x26 => {
- prefixes.set_es();
+ instruction.prefixes.set_es();
alternate_opcode_map = None;
},
0x2e => {
- prefixes.set_cs();
+ instruction.prefixes.set_cs();
alternate_opcode_map = None;
},
0x36 => {
- prefixes.set_ss();
+ instruction.prefixes.set_ss();
alternate_opcode_map = None;
},
0x3e => {
- prefixes.set_ds();
+ instruction.prefixes.set_ds();
alternate_opcode_map = None;
},
0x06
@@ -1425,7 +1318,6 @@ fn read_opcode<T: Iterator<Item=u8>>(bytes_iter: &mut T, instruction: &mut Instr
| 0x2f
| 0x37
| 0x3f => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::Invalid;
return Ok(OperandCode::Nothing);
},
@@ -1443,79 +1335,68 @@ fn read_opcode<T: Iterator<Item=u8>>(bytes_iter: &mut T, instruction: &mut Instr
OperandCode::AX_Ivd
][(x % 8) as usize].clone();
- instruction.prefixes = prefixes;
instruction.opcode = op;
return Ok(operand_code);
},
x if x < 0x50 => {
// x86_32 inc/dec
// x86_64 rex
- prefixes.rex_mut().from(x);
+ instruction.prefixes.rex_mut().from(x);
},
x if x < 0x60 => {
let op = if x < 0x58 { Opcode::PUSH } else { Opcode::POP };
- instruction.prefixes = prefixes;
instruction.opcode = op;
return Ok(OperandCode::Zv(x));
},
0x63 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::MOVSXD;
return Ok(OperandCode::Gv_Ed);
},
0x64 => {
- prefixes.set_fs();
+ instruction.prefixes.set_fs();
alternate_opcode_map = None;
},
0x65 => {
- prefixes.set_gs();
+ instruction.prefixes.set_gs();
alternate_opcode_map = None;
},
0x66 => {
- prefixes.set_operand_size();
+ instruction.prefixes.set_operand_size();
alternate_opcode_map = Some(OpcodeMap::Map66);
},
0x67 => {
- prefixes.set_address_size();
+ instruction.prefixes.set_address_size();
alternate_opcode_map = None;
},
0x68 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::PUSH;
return Ok(OperandCode::Ivs);
},
0x69 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::IMUL;
return Ok(OperandCode::Gv_Ev_Iv);
},
0x6a => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::PUSH;
return Ok(OperandCode::Ibs);
},
0x6b => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::IMUL;
return Ok(OperandCode::Gb_Eb_Ib);
},
0x6c => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::INS;
return Ok(OperandCode::Yb_DX);
},
0x6d => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::INS;
return Ok(OperandCode::Yv_DX);
},
0x6e => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::OUTS;
return Ok(OperandCode::DX_Xb);
},
0x6f => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::OUTS;
return Ok(OperandCode::DX_Xv);
},
@@ -1538,7 +1419,6 @@ fn read_opcode<T: Iterator<Item=u8>>(bytes_iter: &mut T, instruction: &mut Instr
Opcode::JLE,
Opcode::JG
][(x & 0xf) as usize].clone();
- instruction.prefixes = prefixes;
instruction.opcode = op;
return Ok(OperandCode::Jbs);
}
@@ -1555,194 +1435,156 @@ fn read_opcode<T: Iterator<Item=u8>>(bytes_iter: &mut T, instruction: &mut Instr
} else {
OperandCode::ModRM_0x83_Ev_Ibs
};
- instruction.prefixes = prefixes;
instruction.opcode = op;
return Ok(operand);
}
},
0x84 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::TEST;
return Ok(OperandCode::Eb_Gb);
},
0x85 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::TEST;
return Ok(OperandCode::Ev_Gv);
},
0x86 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::XCHG;
return Ok(OperandCode::Gb_Eb);
},
0x87 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::XCHG;
return Ok(OperandCode::Gv_Ev);
},
0x88 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::MOV;
return Ok(OperandCode::Eb_Gb);
}
0x89 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::MOV;
return Ok(OperandCode::Ev_Gv);
}
0x8a => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::MOV;
return Ok(OperandCode::Gb_Eb);
}
0x8b => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::MOV;
return Ok(OperandCode::Gv_Ev);
}
0x8c => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::MOV;
return Ok(OperandCode::Ew_Sw);
}
0x8d => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::LEA;
return Ok(OperandCode::Gv_M);
}
0x8e => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::MOV;
return Ok(OperandCode::Sw_Ew);
},
0x8f => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::Invalid;
return Ok(OperandCode::ModRM_0x8f_Ev);
},
0x90 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::NOP;
return Ok(OperandCode::Nothing);
},
x if x < 0x98 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::XCHG;
return Ok(OperandCode::Zv_AX(x));
},
0x98 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::CBW;
return Ok(OperandCode::AX_AL);
},
0x99 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::CBW;
return Ok(OperandCode::DX_AX);
},
0x9a => { return Err("invalid opcode".to_owned()); },
0x9b => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::WAIT;
return Ok(OperandCode::Nothing);
}
0x9c => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::PUSHF;
return Ok(OperandCode::Nothing);
},
0x9d => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::POPF;
return Ok(OperandCode::Nothing);
},
0x9e => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::SAHF;
return Ok(OperandCode::AH);
},
0x9f => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::LAHF;
return Ok(OperandCode::AH);
},
0xa0 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::MOV;
return Ok(OperandCode::AL_Ob);
},
0xa1 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::MOV;
return Ok(OperandCode::AX_Ov);
},
0xa2 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::MOV;
return Ok(OperandCode::Ob_AL);
},
0xa3 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::MOV;
return Ok(OperandCode::Ov_AX);
},
0xa4 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::MOVS;
return Ok(OperandCode::Yb_Xb);
},
0xa5 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::MOVS;
return Ok(OperandCode::Yv_Xv);
},
0xa6 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::CMPS;
return Ok(OperandCode::Yb_Xb);
},
0xa7 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::CMPS;
return Ok(OperandCode::Yv_Xv);
},
0xa8 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::TEST;
return Ok(OperandCode::AL_Ib);
},
0xa9 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::TEST;
return Ok(OperandCode::AX_Ivd);
},
0xaa => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::STOS;
return Ok(OperandCode::Yb_AL);
},
0xab => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::STOS;
return Ok(OperandCode::Yv_AX);
},
0xac => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::LODS;
return Ok(OperandCode::AL_Xb);
},
0xad => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::LODS;
return Ok(OperandCode::AX_Xv);
},
0xae => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::SCAS;
return Ok(OperandCode::Yb_AL);
},
0xaf => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::SCAS;
return Ok(OperandCode::Yv_AX);
},
@@ -1752,27 +1594,22 @@ fn read_opcode<T: Iterator<Item=u8>>(bytes_iter: &mut T, instruction: &mut Instr
} else {
OperandCode::Zv_Ivq(x)
};
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::MOV;
return Ok(operand);
},
0xc0 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::Invalid;
return Ok(OperandCode::ModRM_0xc0_Eb_Ib);
},
0xc1 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::Invalid;
return Ok(OperandCode::ModRM_0xc1_Ev_Ib);
},
0xc2 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::RETURN;
return Ok(OperandCode::Iw);
},
0xc3 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::RETURN;
return Ok(OperandCode::Nothing);
},
@@ -1780,52 +1617,42 @@ fn read_opcode<T: Iterator<Item=u8>>(bytes_iter: &mut T, instruction: &mut Instr
return Err("invalid opcode".to_owned());
},
0xc6 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::MOV;
return Ok(OperandCode::ModRM_0xc6_Eb_Ib);
},
0xc7 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::MOV;
return Ok(OperandCode::ModRM_0xc7_Ev_Iv);
},
0xc8 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::ENTER;
return Ok(OperandCode::Iw_Ib);
},
0xc9 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::LEAVE;
return Ok(OperandCode::Nothing);
},
0xca => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::RETF;
return Ok(OperandCode::Iw);
}
0xcb => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::RETF;
return Ok(OperandCode::Nothing);
}
0xcc => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::INT;
return Ok(OperandCode::I_3);
},
0xcd => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::INT;
return Ok(OperandCode::Ib);
},
0xce => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::INTO;
return Ok(OperandCode::Fw);
},
0xcf => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::IRET;
return Ok(OperandCode::Fw);
},
@@ -1836,7 +1663,6 @@ fn read_opcode<T: Iterator<Item=u8>>(bytes_iter: &mut T, instruction: &mut Instr
OperandCode::ModRM_0xd2_Eb_CL,
OperandCode::ModRM_0xd3_Ev_CL
][(x & 0x3) as usize].clone();
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::Invalid;
return Ok(operand);
},
@@ -1856,84 +1682,70 @@ fn read_opcode<T: Iterator<Item=u8>>(bytes_iter: &mut T, instruction: &mut Instr
}
// TODO: GAP
0xe8 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::CALL;
return Ok(OperandCode::Jvds);
},
0xe9 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::JMP;
return Ok(OperandCode::Jvds);
},
0xeb => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::JMP;
return Ok(OperandCode::Jbs);
},
0xf0 => {
- prefixes.set_lock();
+ instruction.prefixes.set_lock();
},
0xf2 => {
- prefixes.set_repnz();
+ instruction.prefixes.set_repnz();
alternate_opcode_map = Some(OpcodeMap::MapF2);
},
0xf3 => {
- prefixes.set_rep();
+ instruction.prefixes.set_rep();
alternate_opcode_map = Some(OpcodeMap::MapF3);
},
0xf4 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::HLT;
return Ok(OperandCode::Nothing);
},
0xf6 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::Invalid;
return Ok(OperandCode::ModRM_0xf6);
},
0xf7 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::Invalid;
return Ok(OperandCode::ModRM_0xf7);
},
0xf8 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::CLC;
return Ok(OperandCode::Nothing);
}
0xf9 => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::STC;
return Ok(OperandCode::Nothing);
}
0xfa => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::CLI;
return Ok(OperandCode::Nothing);
}
0xfb => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::STI;
return Ok(OperandCode::Nothing);
}
0xfc => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::CLD;
return Ok(OperandCode::Nothing);
}
0xfd => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::STD;
return Ok(OperandCode::Nothing);
}
0xfe => {
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::Invalid;
return Ok(OperandCode::ModRM_0xfe_Eb);
},
0xff => {
// TODO: test 0xff /3
- instruction.prefixes = prefixes;
instruction.opcode = Opcode::Invalid;
return Ok(OperandCode::ModRM_0xff_Ev);
},
generated by cgit v1.1 at 2025-10-31 22:25:04 +0000