merge

1 files changed, 142 insertions, 141 deletions

diff --git a/indra/llcommon/llstacktrace.cpp b/indra/llcommon/llstacktrace.cpp
index 4be91b5b11..3cb074257b 100644
--- a/indra/llcommon/llstacktrace.cpp
+++ b/indra/llcommon/llstacktrace.cpp
@@ -1,141 +1,142 @@
-/** 
- * @file llstacktrace.cpp
- * @brief stack tracing functionality
- *
- * $LicenseInfo:firstyear=2001&license=viewergpl$
- * 
- * Copyright (c) 2001-2009, Linden Research, Inc.
- * 
- * Second Life Viewer Source Code
- * The source code in this file ("Source Code") is provided by Linden Lab
- * to you under the terms of the GNU General Public License, version 2.0
- * ("GPL"), unless you have obtained a separate licensing agreement
- * ("Other License"), formally executed by you and Linden Lab.  Terms of
- * the GPL can be found in doc/GPL-license.txt in this distribution, or
- * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
- * 
- * There are special exceptions to the terms and conditions of the GPL as
- * it is applied to this Source Code. View the full text of the exception
- * in the file doc/FLOSS-exception.txt in this software distribution, or
- * online at
- * http://secondlifegrid.net/programs/open_source/licensing/flossexception
- * 
- * By copying, modifying or distributing this software, you acknowledge
- * that you have read and understood your obligations described above,
- * and agree to abide by those obligations.
- * 
- * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
- * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
- * COMPLETENESS OR PERFORMANCE.
- * $/LicenseInfo$
- */
-
-#include "llstacktrace.h"
-
-#ifdef LL_WINDOWS
-
-#include <iostream>
-#include <sstream>
-
-#include "windows.h"
-#include "Dbghelp.h"
-
-typedef USHORT NTAPI RtlCaptureStackBackTrace_Function(
-    IN ULONG frames_to_skip,
-    IN ULONG frames_to_capture,
-    OUT PVOID *backtrace,
-    OUT PULONG backtrace_hash);
-
-static RtlCaptureStackBackTrace_Function* const RtlCaptureStackBackTrace_fn =
-   (RtlCaptureStackBackTrace_Function*)
-   GetProcAddress(GetModuleHandleA("ntdll.dll"), "RtlCaptureStackBackTrace");
-
-bool ll_get_stack_trace(std::vector<std::string>& lines)
-{
-	const S32 MAX_STACK_DEPTH = 32;
-	const S32 STRING_NAME_LENGTH = 200;
-	const S32 FRAME_SKIP = 2;
-	static BOOL symbolsLoaded = false;
-	static BOOL firstCall = true;
-
-	HANDLE hProc = GetCurrentProcess();
-
-	// load the symbols if they're not loaded
-	if(!symbolsLoaded && firstCall)
-	{
-		symbolsLoaded = SymInitialize(hProc, NULL, true);
-		firstCall = false;
-	}
-
-	// if loaded, get the call stack
-	if(symbolsLoaded)
-	{
-		// create the frames to hold the addresses
-		void* frames[MAX_STACK_DEPTH];
-		memset(frames, 0, sizeof(void*)*MAX_STACK_DEPTH);
-		S32 depth = 0;
-
-		// get the addresses
-		depth = RtlCaptureStackBackTrace_fn(FRAME_SKIP, MAX_STACK_DEPTH, frames, NULL);
-
-		IMAGEHLP_LINE64 line;
-		memset(&line, 0, sizeof(IMAGEHLP_LINE64));
-		line.SizeOfStruct = sizeof(IMAGEHLP_LINE64);
-
-		// create something to hold address info
-		PIMAGEHLP_SYMBOL64 pSym;
-		pSym = (PIMAGEHLP_SYMBOL64)malloc(sizeof(IMAGEHLP_SYMBOL64) + STRING_NAME_LENGTH);
-		memset(pSym, 0, sizeof(IMAGEHLP_SYMBOL64) + STRING_NAME_LENGTH);
-		pSym->MaxNameLength = STRING_NAME_LENGTH;
-		pSym->SizeOfStruct = sizeof(IMAGEHLP_SYMBOL64);
-
-		// get address info for each address frame
-		// and store
-		for(S32 i=0; i < depth; i++)
-		{
-			std::stringstream stack_line;
-			BOOL ret;
-
-			DWORD64 addr = (DWORD64)frames[i];
-			ret = SymGetSymFromAddr64(hProc, addr, 0, pSym);
-			if(ret)
-			{
-				stack_line << pSym->Name << " ";
-			}
-
-			DWORD dummy;
-			ret = SymGetLineFromAddr64(hProc, addr, &dummy, &line);
-			if(ret)
-			{
-				std::string file_name = line.FileName;
-				std::string::size_type index = file_name.rfind("\\");
-				stack_line << file_name.substr(index + 1, file_name.size()) << ":" << line.LineNumber; 
-			}
-
-			lines.push_back(stack_line.str());
-		}
-		
-		free(pSym);
-
-		// TODO: figure out a way to cleanup symbol loading
-		// Not hugely necessary, however.
-		//SymCleanup(hProc);
-		return true;
-	}
-	else
-	{
-		lines.push_back("Stack Trace Failed.  PDB symbol info not loaded");
-	}
-
-	return false;
-}
-
-#else
-
-bool ll_get_stack_trace(std::vector<std::string>& lines)
-{
-	return false;
-}
-
-#endif
-
+/** 

+ * @file llstacktrace.cpp

+ * @brief stack tracing functionality

+ *

+ * $LicenseInfo:firstyear=2001&license=viewergpl$

+ * 

+ * Copyright (c) 2001-2009, Linden Research, Inc.

+ * 

+ * Second Life Viewer Source Code

+ * The source code in this file ("Source Code") is provided by Linden Lab

+ * to you under the terms of the GNU General Public License, version 2.0

+ * ("GPL"), unless you have obtained a separate licensing agreement

+ * ("Other License"), formally executed by you and Linden Lab.  Terms of

+ * the GPL can be found in doc/GPL-license.txt in this distribution, or

+ * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2

+ * 

+ * There are special exceptions to the terms and conditions of the GPL as

+ * it is applied to this Source Code. View the full text of the exception

+ * in the file doc/FLOSS-exception.txt in this software distribution, or

+ * online at

+ * http://secondlifegrid.net/programs/open_source/licensing/flossexception

+ * 

+ * By copying, modifying or distributing this software, you acknowledge

+ * that you have read and understood your obligations described above,

+ * and agree to abide by those obligations.

+ * 

+ * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO

+ * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,

+ * COMPLETENESS OR PERFORMANCE.

+ * $/LicenseInfo$

+ */

+

+#include "linden_common.h"

+#include "llstacktrace.h"

+

+#ifdef LL_WINDOWS

+

+#include <iostream>

+#include <sstream>

+

+#include "windows.h"

+#include "Dbghelp.h"

+

+typedef USHORT NTAPI RtlCaptureStackBackTrace_Function(

+    IN ULONG frames_to_skip,

+    IN ULONG frames_to_capture,

+    OUT PVOID *backtrace,

+    OUT PULONG backtrace_hash);

+

+static RtlCaptureStackBackTrace_Function* const RtlCaptureStackBackTrace_fn =

+   (RtlCaptureStackBackTrace_Function*)

+   GetProcAddress(GetModuleHandleA("ntdll.dll"), "RtlCaptureStackBackTrace");

+

+bool ll_get_stack_trace(std::vector<std::string>& lines)

+{

+	const S32 MAX_STACK_DEPTH = 32;

+	const S32 STRING_NAME_LENGTH = 200;

+	const S32 FRAME_SKIP = 2;

+	static BOOL symbolsLoaded = false;

+	static BOOL firstCall = true;

+

+	HANDLE hProc = GetCurrentProcess();

+

+	// load the symbols if they're not loaded

+	if(!symbolsLoaded && firstCall)

+	{

+		symbolsLoaded = SymInitialize(hProc, NULL, true);

+		firstCall = false;

+	}

+

+	// if loaded, get the call stack

+	if(symbolsLoaded)

+	{

+		// create the frames to hold the addresses

+		void* frames[MAX_STACK_DEPTH];

+		memset(frames, 0, sizeof(void*)*MAX_STACK_DEPTH);

+		S32 depth = 0;

+

+		// get the addresses

+		depth = RtlCaptureStackBackTrace_fn(FRAME_SKIP, MAX_STACK_DEPTH, frames, NULL);

+

+		IMAGEHLP_LINE64 line;

+		memset(&line, 0, sizeof(IMAGEHLP_LINE64));

+		line.SizeOfStruct = sizeof(IMAGEHLP_LINE64);

+

+		// create something to hold address info

+		PIMAGEHLP_SYMBOL64 pSym;

+		pSym = (PIMAGEHLP_SYMBOL64)malloc(sizeof(IMAGEHLP_SYMBOL64) + STRING_NAME_LENGTH);

+		memset(pSym, 0, sizeof(IMAGEHLP_SYMBOL64) + STRING_NAME_LENGTH);

+		pSym->MaxNameLength = STRING_NAME_LENGTH;

+		pSym->SizeOfStruct = sizeof(IMAGEHLP_SYMBOL64);

+

+		// get address info for each address frame

+		// and store

+		for(S32 i=0; i < depth; i++)

+		{

+			std::stringstream stack_line;

+			BOOL ret;

+

+			DWORD64 addr = (DWORD64)frames[i];

+			ret = SymGetSymFromAddr64(hProc, addr, 0, pSym);

+			if(ret)

+			{

+				stack_line << pSym->Name << " ";

+			}

+

+			DWORD dummy;

+			ret = SymGetLineFromAddr64(hProc, addr, &dummy, &line);

+			if(ret)

+			{

+				std::string file_name = line.FileName;

+				std::string::size_type index = file_name.rfind("\\");

+				stack_line << file_name.substr(index + 1, file_name.size()) << ":" << line.LineNumber; 

+			}

+

+			lines.push_back(stack_line.str());

+		}

+		

+		free(pSym);

+

+		// TODO: figure out a way to cleanup symbol loading

+		// Not hugely necessary, however.

+		//SymCleanup(hProc);

+		return true;

+	}

+	else

+	{

+		lines.push_back("Stack Trace Failed.  PDB symbol info not loaded");

+	}

+

+	return false;

+}

+

+#else

+

+bool ll_get_stack_trace(std::vector<std::string>& lines)

+{

+	return false;

+}

+

+#endif

+