Changeset 105655 in vbox for trunk/src/VBox/VMM/VMMAll

Timestamp:

Aug 13, 2024 7:06:03 AM (9 months ago)

Author:

vboxsync

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

164348

Message:

VMM/IEM: Fix adjusting the stack pointer when recompiling a pop instruction, in 64-bit code a 0x66 prefix indicates a 16-bit pop and the stack pointer should only increase by 2, bugref:10741

File:

• trunk/src/VBox/VMM/VMMAll/IEMAllN8veRecompFuncs.h (modified) (2 diffs)

trunk/src/VBox/VMM/VMMAll/IEMAllN8veRecompFuncs.h

@@ -8045 +8045 @@
         {
             if (cBitsFlat == 64)
-                off = iemNativeEmitAddGprImm8(pReNative, off, idxRegRsp, sizeof(uint64_t));
+                off = iemNativeEmitAddGprImm8(pReNative, off, idxRegRsp, cbMem);
             else
-                off = iemNativeEmitAddGpr32Imm8(pReNative, off, idxRegRsp, sizeof(uint32_t));
+                off = iemNativeEmitAddGpr32Imm8(pReNative, off, idxRegRsp, cbMem);
         }
     }
@@ -8062 +8062 @@
             {
                 if (cBitsFlat == 64)
-                    off = iemNativeEmitAddGprImm8(pReNative, off, idxRegRsp, sizeof(uint64_t));
+                    off = iemNativeEmitAddGprImm8(pReNative, off, idxRegRsp, cbMem);
                 else
-                    off = iemNativeEmitAddGpr32Imm8(pReNative, off, idxRegRsp, sizeof(uint32_t));
+                    off = iemNativeEmitAddGpr32Imm8(pReNative, off, idxRegRsp, cbMem);
             }
             off = iemNativeEmitGprMergeInGpr16(pReNative, off, idxRegRsp, idxRegMemResult);