summaryrefslogtreecommitdiff
path: root/indra/llcommon/llstacktrace.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'indra/llcommon/llstacktrace.cpp')
-rw-r--r--indra/llcommon/llstacktrace.cpp194
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)
generated by cgit v1.2.3 (git 2.25.1) at 2025-11-04 16:23:54 +0000