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authorMark Palange <palange@lindenlab.com>2008-12-23 19:39:58 +0000
committerMark Palange <palange@lindenlab.com>2008-12-23 19:39:58 +0000
commitfb793870fe95f1951d7c30ea6068e187b9dededd (patch)
tree6d11632353ff4fb07133625ec5031b135b1e2882 /indra/newview/llwindebug.cpp
parentd182b9fb82b9c63f41d81bc80dbbfe627475facf (diff)
QAR-1142 merging 1.22 RC0-RC4 changes.
svn merge -c 106471 svn+ssh://svn.lindenlab.com/svn/linden/qa/viewer_1-22-106055_merge
Diffstat (limited to 'indra/newview/llwindebug.cpp')
-rw-r--r--indra/newview/llwindebug.cpp66
1 files changed, 65 insertions, 1 deletions
diff --git a/indra/newview/llwindebug.cpp b/indra/newview/llwindebug.cpp
index a1a3b1cf1a..08e30d81df 100644
--- a/indra/newview/llwindebug.cpp
+++ b/indra/newview/llwindebug.cpp
@@ -42,6 +42,7 @@
#pragma warning(disable: 4200) //nonstandard extension used : zero-sized array in struct/union
#pragma warning(disable: 4100) //unreferenced formal parameter
+
/*
LLSD Block for Windows Dump Information
<llsd>
@@ -429,7 +430,7 @@ LLSD WINAPI Get_Exception_Info(PEXCEPTION_POINTERS pException)
FILETIME Last_Write_Time;
FILETIME Local_File_Time;
SYSTEMTIME T;
-
+
Str = new WCHAR[DUMP_SIZE_MAX];
Str_Len = 0;
if (!Str)
@@ -439,6 +440,7 @@ LLSD WINAPI Get_Exception_Info(PEXCEPTION_POINTERS pException)
GetModuleFileName(NULL, Str, MAX_PATH);
info["Process"] = ll_convert_wide_to_string(Str);
+ info["ThreadID"] = (S32)GetCurrentThreadId();
// If exception occurred.
if (pException)
@@ -552,6 +554,58 @@ void LLMemoryReserve::release()
static LLMemoryReserve gEmergencyMemoryReserve;
+#ifndef _M_IX86
+ #error "The following code only works for x86!"
+#endif
+LPTOP_LEVEL_EXCEPTION_FILTER WINAPI MyDummySetUnhandledExceptionFilter(
+ LPTOP_LEVEL_EXCEPTION_FILTER lpTopLevelExceptionFilter)
+{
+ if(lpTopLevelExceptionFilter == gFilterFunc)
+ return gFilterFunc;
+
+ llinfos << "Someone tried to set the exception filter. Listing call stack modules" << llendl;
+ LLSD cs_info;
+ GetCallStackData(NULL, cs_info);
+
+ if(cs_info.has("CallStack") && cs_info["CallStack"].isArray())
+ {
+ LLSD cs = cs_info["CallStack"];
+ for(LLSD::array_iterator i = cs.beginArray();
+ i != cs.endArray();
+ ++i)
+ {
+ llinfos << "Module: " << (*i)["ModuleName"] << llendl;
+ }
+ }
+
+ return gFilterFunc;
+}
+
+BOOL PreventSetUnhandledExceptionFilter()
+{
+ HMODULE hKernel32 = LoadLibrary(_T("kernel32.dll"));
+ if (hKernel32 == NULL)
+ return FALSE;
+
+ void *pOrgEntry = GetProcAddress(hKernel32, "SetUnhandledExceptionFilter");
+ if(pOrgEntry == NULL)
+ return FALSE;
+
+ unsigned char newJump[ 100 ];
+ DWORD dwOrgEntryAddr = (DWORD)pOrgEntry;
+ dwOrgEntryAddr += 5; // add 5 for 5 op-codes for jmp far
+ void *pNewFunc = &MyDummySetUnhandledExceptionFilter;
+ DWORD dwNewEntryAddr = (DWORD) pNewFunc;
+ DWORD dwRelativeAddr = dwNewEntryAddr - dwOrgEntryAddr;
+
+ newJump[ 0 ] = 0xE9; // JMP absolute
+ memcpy(&newJump[ 1 ], &dwRelativeAddr, sizeof(pNewFunc));
+ SIZE_T bytesWritten;
+ BOOL bRet = WriteProcessMemory(GetCurrentProcess(),
+ pOrgEntry, newJump, sizeof(pNewFunc) + 1, &bytesWritten);
+ return bRet;
+}
+
// static
void LLWinDebug::initExceptionHandler(LPTOP_LEVEL_EXCEPTION_FILTER filter_func)
{
@@ -602,6 +656,9 @@ void LLWinDebug::initExceptionHandler(LPTOP_LEVEL_EXCEPTION_FILTER filter_func)
LPTOP_LEVEL_EXCEPTION_FILTER prev_filter;
prev_filter = SetUnhandledExceptionFilter(filter_func);
+ // *REMOVE:Mani
+ //PreventSetUnhandledExceptionFilter();
+
if(prev_filter != gFilterFunc)
{
LL_WARNS("AppInit")
@@ -737,3 +794,10 @@ void LLWinDebug::generateCrashStacks(struct _EXCEPTION_POINTERS *exception_infop
LLSDSerialize::toPrettyXML(info, out_file);
out_file.close();
}
+
+void LLWinDebug::clearCrashStacks()
+{
+ LLSD info;
+ std::string dump_path = gDirUtilp->getExpandedFilename(LL_PATH_LOGS, "SecondLifeException.log");
+ LLFile::remove(dump_path);
+}