Changeset 106770 in vbox for trunk/src/VBox/Disassembler/DisasmCore-armv8.cpp

Timestamp:

Oct 29, 2024 1:09:50 PM (3 months ago)

Author:

vboxsync

Message:

Disassembler: Decode load/store memory tags instructions, bugref:10394

File:

• trunk/src/VBox/Disassembler/DisasmCore-armv8.cpp (modified) (3 diffs)

trunk/src/VBox/Disassembler/DisasmCore-armv8.cpp

@@ -114 +114 @@
 static FNDISPARSEARMV8 disArmV8ParseSf;
 static FNDISPARSEARMV8 disArmV8ParseImmX16;
+static FNDISPARSEARMV8 disArmV8ParseSImmTags;
 static FNDISPARSEARMV8 disArmV8ParseLdrPacImm;
 static FNDISPARSEARMV8 disArmV8ParseLdrPacW;
@@ -175 +176 @@
     disArmV8ParseSf,
     disArmV8ParseImmX16,
+    disArmV8ParseSImmTags,
     disArmV8ParseLdrPacImm,
     disArmV8ParseLdrPacW
@@ -1039 +1041 @@
 
 
+static int disArmV8ParseSImmTags(PDISSTATE pDis, uint32_t u32Insn, PCDISARMV8OPCODE pOp, PCDISARMV8INSNCLASS pInsnClass, PDISOPPARAM pParam, PCDISARMV8INSNPARAM pInsnParm, bool *pf64Bit)
+{
+    RT_NOREF(pDis, pOp, pInsnClass, pf64Bit);
+
+    AssertReturn(pInsnParm->cBits <= 9, VERR_INTERNAL_ERROR_2);
+    Assert(pParam->armv8.enmType != kDisArmv8OpParmNone);
+
+    pParam->armv8.cb = sizeof(int16_t);
+    pParam->armv8.u.offBase = disArmV8ExtractBitVecFromInsnSignExtend(u32Insn, pInsnParm->idxBitStart, pInsnParm->cBits) << 4;
+    return VINF_SUCCESS;
+}
+
+
 static int disArmV8ParseLdrPacImm(PDISSTATE pDis, uint32_t u32Insn, PCDISARMV8OPCODE pOp, PCDISARMV8INSNCLASS pInsnClass, PDISOPPARAM pParam, PCDISARMV8INSNPARAM pInsnParm, bool *pf64Bit)
 {