Changeset 106735 in vbox for trunk/src/VBox/Disassembler

Timestamp:

Oct 28, 2024 8:05:43 AM (4 months ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

165618

Message:

Disassembler: Decode pacga instruction, bugref:10394

Location:

trunk/src/VBox/Disassembler

Files:

• DisasmTables-armv8-a64.cpp (modified) (2 diffs)
• testcase/tstDisasmArmv8-1-asm.S (modified) (1 diff)

trunk/src/VBox/Disassembler/DisasmTables-armv8-a64.cpp

@@ -692 +692 @@
     DIS_ARMV8_INSN_DECODE(kDisParmParseGprSp,          5,  5, 1 /*idxParam*/),
     DIS_ARMV8_INSN_DECODE(kDisParmParseGprZr,         16,  5, 2 /*idxParam*/),
+DIS_ARMV8_DECODE_INSN_CLASS_DEFINE_DECODER_ALTERNATIVE(Reg2SrcPacga)
+    DIS_ARMV8_INSN_DECODE(kDisParmParseGprZr64,        0,  5, 0 /*idxParam*/),
+    DIS_ARMV8_INSN_DECODE(kDisParmParseGprZr64,        5,  5, 1 /*idxParam*/),
+    DIS_ARMV8_INSN_DECODE(kDisParmParseGprSp,         16,  5, 2 /*idxParam*/),
 DIS_ARMV8_DECODE_INSN_CLASS_DEFINE_BEGIN(Reg2Src64Bit)
     DIS_ARMV8_OP_ALT_DECODE(0x9ac00000, "subp",            OP_ARMV8_A64_SUBP,      DISOPTYPE_HARMLESS, Reg2SrcSubp),
@@ -705 +709 @@
     DIS_ARMV8_OP(           0x9ac02800, "asrv",            OP_ARMV8_A64_ASRV,      DISOPTYPE_HARMLESS),
     DIS_ARMV8_OP(           0x9ac02c00, "rorv",            OP_ARMV8_A64_RORV,      DISOPTYPE_HARMLESS),
-    INVALID_OPCODE,                                                                             /** @todo PACGA (FEAT_PAuth). */
+    DIS_ARMV8_OP_ALT_DECODE(0x9ac03000, "pacga",           OP_ARMV8_A64_PACGA,     DISOPTYPE_HARMLESS, Reg2SrcPacga),
     INVALID_OPCODE,
     INVALID_OPCODE,

trunk/src/VBox/Disassembler/testcase/tstDisasmArmv8-1-asm.S

@@ -1774 +1774 @@
         ;irg   sp, sp, xzr - Requires FEAT_MTE
 
+        pacga  xzr, x0, x1
+        pacga  x28, x0, sp
+
+
         udiv w0, w1, wzr
         udiv x0, x1, xzr