diff options
Diffstat (limited to 'indra/llcommon/llstacktrace.cpp')
-rw-r--r-- | indra/llcommon/llstacktrace.cpp | 194 |
1 files changed, 97 insertions, 97 deletions
diff --git a/indra/llcommon/llstacktrace.cpp b/indra/llcommon/llstacktrace.cpp index 80057bf0f2..1fe7f0f25f 100644 --- a/indra/llcommon/llstacktrace.cpp +++ b/indra/llcommon/llstacktrace.cpp @@ -1,25 +1,25 @@ -/** +/** * @file llstacktrace.cpp * @brief stack tracing functionality * * $LicenseInfo:firstyear=2001&license=viewerlgpl$ * Second Life Viewer Source Code * Copyright (C) 2010, Linden Research, Inc. - * + * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; * version 2.1 of the License only. - * + * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. - * + * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * + * * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA * $/LicenseInfo$ */ @@ -50,113 +50,113 @@ static RtlCaptureStackBackTrace_Function* const RtlCaptureStackBackTrace_fn = 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; + 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; } void ll_get_stack_trace_internal(std::vector<std::string>& lines) { - const S32 MAX_STACK_DEPTH = 100; - const S32 STRING_NAME_LENGTH = 256; + const S32 MAX_STACK_DEPTH = 100; + const S32 STRING_NAME_LENGTH = 256; - HANDLE process = GetCurrentProcess(); - SymInitialize( process, NULL, TRUE ); + HANDLE process = GetCurrentProcess(); + SymInitialize( process, NULL, TRUE ); - void *stack[MAX_STACK_DEPTH]; + void *stack[MAX_STACK_DEPTH]; - unsigned short frames = RtlCaptureStackBackTrace_fn( 0, MAX_STACK_DEPTH, stack, NULL ); - SYMBOL_INFO *symbol = (SYMBOL_INFO*)calloc(sizeof(SYMBOL_INFO) + STRING_NAME_LENGTH * sizeof(char), 1); - symbol->MaxNameLen = STRING_NAME_LENGTH-1; - symbol->SizeOfStruct = sizeof(SYMBOL_INFO); + unsigned short frames = RtlCaptureStackBackTrace_fn( 0, MAX_STACK_DEPTH, stack, NULL ); + SYMBOL_INFO *symbol = (SYMBOL_INFO*)calloc(sizeof(SYMBOL_INFO) + STRING_NAME_LENGTH * sizeof(char), 1); + symbol->MaxNameLen = STRING_NAME_LENGTH-1; + symbol->SizeOfStruct = sizeof(SYMBOL_INFO); - for(unsigned int i = 0; i < frames; i++) - { - SymFromAddr(process, (DWORD64)(stack[i]), 0, symbol); - lines.push_back(symbol->Name); - } + for(unsigned int i = 0; i < frames; i++) + { + SymFromAddr(process, (DWORD64)(stack[i]), 0, symbol); + lines.push_back(symbol->Name); + } - free( symbol ); + free( symbol ); } #else bool ll_get_stack_trace(std::vector<std::string>& lines) { - return false; + return false; } void ll_get_stack_trace_internal(std::vector<std::string>& lines) |