Changeset 97466 in vbox for trunk/src/VBox/VMM/include

Timestamp:

Nov 8, 2022 10:32:34 PM (2 years ago)

Author:

vboxsync

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

154476

Message:

VMM/IEM: Wrap the the longjmp calls in a macro both to shorten the code and also make it possbile to replace it with a throw if we desire. bugref:9898

File:

• trunk/src/VBox/VMM/include/IEMInternal.h (modified) (2 diffs)

trunk/src/VBox/VMM/include/IEMInternal.h

@@ -65 +65 @@
 #if defined(DOXYGEN_RUNNING) || defined(RT_OS_WINDOWS) || 1
 # define IEM_WITH_SETJMP
+#endif
+
+/** @def IEM_DO_LONGJMP
+ *
+ * Wrapper around longjmp / throw.
+ *
+ * @param   a_pVCpu     The CPU handle.
+ * @param   a_rc        The status code jump back with / throw.
+ */
+#if defined(IEM_WITH_SETJMP) || defined(DOXYGEN_RUNNING)
+# define IEM_DO_LONGJMP(a_pVCpu, a_rc)  longjmp(*(a_pVCpu)->iem.s.CTX_SUFF(pJmpBuf), (a_rc))
 #endif
 
@@ -866 +877 @@
         { \
             int rcCtxImport = CPUMImportGuestStateOnDemand(a_pVCpu, a_fExtrnImport); \
-            AssertRCStmt(rcCtxImport, longjmp(*pVCpu->iem.s.CTX_SUFF(pJmpBuf), rcCtxImport)); \
+            AssertRCStmt(rcCtxImport, IEM_DO_LONGJMP(pVCpu, rcCtxImport)); \
         } \
     } while (0)