Changeset 73494 in vbox for trunk/src/VBox/Runtime/common/ldr/ldrEx.cpp

Timestamp:

Aug 4, 2018 7:41:30 PM (6 years ago)

Author:

vboxsync

Message:

IPRT: Added single stack frame unwind function to RTDbgMod and RTLdr, copying over the PoC from DBGFRStack.cpp. bugref:3897

File:

• trunk/src/VBox/Runtime/common/ldr/ldrEx.cpp (modified) (2 diffs)

trunk/src/VBox/Runtime/common/ldr/ldrEx.cpp

@@ -34 +34 @@
 
 #include <iprt/assert.h>
+#include <iprt/dbg.h>
 #include <iprt/err.h>
 #include <iprt/log.h>
@@ -708 +709 @@
 
 
+RTDECL(int) RTLdrUnwindFrame(RTLDRMOD hLdrMod, void const *pvBits, uint32_t iSeg, RTLDRADDR off, PRTDBGUNWINDSTATE pState)
+{
+    /*
+     * Validate.
+     */
+    AssertMsgReturn(rtldrIsValid(hLdrMod), ("hLdrMod=%p\n", hLdrMod), VERR_INVALID_HANDLE);
+    PRTLDRMODINTERNAL pMod = (PRTLDRMODINTERNAL)hLdrMod;
+    AssertPtr(pState);
+    AssertReturn(pState->u32Magic == RTDBGUNWINDSTATE_MAGIC, VERR_INVALID_MAGIC);
+
+    /*
+     * Pass on the work.
+     */
+    if (pMod->pOps->pfnUnwindFrame)
+        return pMod->pOps->pfnUnwindFrame(pMod, pvBits, iSeg, off, pState);
+    return VERR_DBG_NO_UNWIND_INFO;
+}
+RT_EXPORT_SYMBOL(RTLdrUnwindFrame);
+
+
 /**
  * Internal method used by the IPRT debug bits.