Changeset 73762 in vbox for trunk/src/VBox/Runtime/common/misc

Timestamp:

Aug 19, 2018 1:43:17 PM (7 years ago)

Author:

vboxsync

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

124445

Message:

IPRT/assert: Provide call stack dump on 64-bit windows (ring-3). Experimental.

File:

• trunk/src/VBox/Runtime/common/misc/assert.cpp (modified) (6 diffs)

trunk/src/VBox/Runtime/common/misc/assert.cpp

@@ -33 +33 @@
 
 #include <iprt/asm.h>
+#ifdef IPRT_WITH_ASSERT_STACK
+# ifndef IN_RING3
+#  error "IPRT_WITH_ASSERT_STACK is only for ring-3 at present."
+# endif
+# include <iprt/dbg.h>
+#endif
 #include <iprt/err.h>
 #include <iprt/log.h>
@@ -46 +52 @@
 *   Global Variables                                                                                                             *
 *********************************************************************************************************************************/
-/** The last assert message, 1st part. */
+/** The last assertion message, 1st part. */
 RTDATADECL(char)                    g_szRTAssertMsg1[1024];
 RT_EXPORT_SYMBOL(g_szRTAssertMsg1);
-/** The last assert message, 2nd part. */
+/** The last assertion message, 2nd part. */
 RTDATADECL(char)                    g_szRTAssertMsg2[4096];
 RT_EXPORT_SYMBOL(g_szRTAssertMsg2);
+#ifdef IPRT_WITH_ASSERT_STACK
+/** The last assertion message, stack part. */
+RTDATADECL(char)                    g_szRTAssertStack[4096];
+RT_EXPORT_SYMBOL(g_szRTAssertStack);
+#endif
 /** The length of the g_szRTAssertMsg2 content.
  * @remarks Race.  */
 static uint32_t volatile            g_cchRTAssertMsg2;
-/** The last assert message, expression. */
+/** The last assertion message, expression. */
 RTDATADECL(const char * volatile)   g_pszRTAssertExpr;
 RT_EXPORT_SYMBOL(g_pszRTAssertExpr);
-/** The last assert message, function name. */
+/** The last assertion message, function name. */
 RTDATADECL(const char *  volatile)  g_pszRTAssertFunction;
 RT_EXPORT_SYMBOL(g_pszRTAssertFunction);
-/** The last assert message, file name. */
+/** The last assertion message, file name. */
 RTDATADECL(const char * volatile)   g_pszRTAssertFile;
 RT_EXPORT_SYMBOL(g_pszRTAssertFile);
-/** The last assert message, line number. */
+/** The last assertion message, line number. */
 RTDATADECL(uint32_t volatile)       g_u32RTAssertLine;
 RT_EXPORT_SYMBOL(g_u32RTAssertLine);
@@ -126 +137 @@
         RTErrVarsSave(&SavedErrVars);
 
+#ifdef IPRT_WITH_ASSERT_STACK
+        /* The stack dump. */
+        char szStack[sizeof(g_szRTAssertStack)];
+        size_t cchStack = RTDbgStackDumpSelf(szStack, sizeof(szStack), 0);
+        memcpy(g_szRTAssertStack, szStack, cchStack + 1);
+#endif
+
 #ifdef IN_RING0
 # ifdef IN_GUEST_R0
@@ -153 +171 @@
                            "Location  : %s(%d) %s\n",
                            pszExpr, pszFile, uLine, pszFunction);
+# ifdef IPRT_WITH_ASSERT_STACK
+            RTLogRelPrintf("Stack     :\n%s\n", szStack);
+# endif
 # ifndef IN_RC /* flushing is done automatically in RC */
             RTLogFlush(pLog);
@@ -169 +190 @@
                             "Location  : %s(%d) %s\n",
                             pszExpr, pszFile, uLine, pszFunction);
+# ifdef IPRT_WITH_ASSERT_STACK
+                RTLogPrintf("Stack     :\n%s\n", szStack);
+# endif
 # ifndef IN_RC /* flushing is done automatically in RC */
                 RTLogFlush(pLog);
@@ -185 +209 @@
                 uLine,
                 VALID_PTR(pszFunction) ? pszFunction : "");
+# ifdef IPRT_WITH_ASSERT_STACK
+        fprintf(stderr, "Stack     :\n%s\n", szStack);
+# endif
         fflush(stderr);
 # endif