Changeset 106401 in vbox for trunk/src/VBox/VMM/VMMAll

Timestamp:

Oct 16, 2024 8:56:01 PM (7 months ago)

Author:

vboxsync

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

165219

Message:

VMM/IEM: Disable control flow guard for the core IEM jump table call loops. bugref:10720

Location:

trunk/src/VBox/VMM/VMMAll

Files:

• IEMAllN8veRecompiler.cpp (modified) (2 diffs)
• IEMAllThrdRecompiler.cpp (modified) (2 diffs)
• IEMAllThrdTables.h (modified) (1 diff)

trunk/src/VBox/VMM/VMMAll/IEMAllN8veRecompiler.cpp

@@ -157 +157 @@
  * Used by TB code when encountering a non-zero status or rcPassUp after a call.
  */
-template <bool const a_fWithIrqCheck>
+template<bool const a_fWithIrqCheck>
 IEM_DECL_NATIVE_HLP_DEF(uintptr_t, iemNativeHlpReturnBreakViaLookup,(PVMCPUCC pVCpu, uint8_t idxTbLookup,
                                                                      uint32_t fFlags, RTGCPHYS GCPhysPc))
@@ -10067 +10067 @@
  * @param   pTb     The threaded translation to recompile to native.
  */
-DECLHIDDEN(PIEMTB) iemNativeRecompile(PVMCPUCC pVCpu, PIEMTB pTb) RT_NOEXCEPT
+IEM_DECL_MSC_GUARD_IGNORE DECLHIDDEN(PIEMTB) iemNativeRecompile(PVMCPUCC pVCpu, PIEMTB pTb) RT_NOEXCEPT
 {
 #if 0 /* For profiling the native recompiler code. */

trunk/src/VBox/VMM/VMMAll/IEMAllThrdRecompiler.cpp

@@ -2853 +2853 @@
  *                      IEMTB_F_INHIBIT_NMI, IEMTB_F_CS_LIM_CHECKS.
  */
-static VBOXSTRICTRC iemThreadedCompile(PVMCC pVM, PVMCPUCC pVCpu, RTGCPHYS GCPhysPc, uint32_t fExtraFlags) IEM_NOEXCEPT_MAY_LONGJMP
+static IEM_DECL_MSC_GUARD_IGNORE VBOXSTRICTRC
+iemThreadedCompile(PVMCC pVM, PVMCPUCC pVCpu, RTGCPHYS GCPhysPc, uint32_t fExtraFlags) IEM_NOEXCEPT_MAY_LONGJMP
 {
     IEMTLBTRACE_TB_COMPILE(pVCpu, GCPhysPc);
@@ -3573 +3574 @@
  * @param   pTb     The translation block to execute.
  */
-static VBOXSTRICTRC iemTbExec(PVMCPUCC pVCpu, PIEMTB pTb) IEM_NOEXCEPT_MAY_LONGJMP
+static IEM_DECL_MSC_GUARD_IGNORE VBOXSTRICTRC iemTbExec(PVMCPUCC pVCpu, PIEMTB pTb) IEM_NOEXCEPT_MAY_LONGJMP
 {
     Assert(!(pVCpu->iem.s.GCPhysInstrBuf & (RTGCPHYS)GUEST_PAGE_OFFSET_MASK));

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

@@ -403 +403 @@
     return iemThreadedRecompilerMcDeferToCImpl0(pVCpu, a_fFlags, a_fGstShwFlush, a_pfnCImpl)
 
-DECLINLINE(VBOXSTRICTRC)
+IEM_DECL_MSC_GUARD_IGNORE  DECLINLINE(VBOXSTRICTRC)
 iemThreadedRecompilerMcDeferToCImpl0(PVMCPUCC pVCpu, uint32_t fFlags, uint64_t fGstShwFlush, PFNIEMCIMPL0 pfnCImpl)
 {