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Symbol retrieval may fail.

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This commit is contained in:
Bartosz Taudul 2018-06-20 01:05:44 +02:00
parent 203744cdd9
commit 359feae7ef
1 changed files with 15 additions and 5 deletions
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20
client/TracyCallstack.cpp
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@ -61,7 +61,11 @@ CallstackEntry DecodeCallstackPtr( uint64_t ptr )
si->SizeOfStruct = sizeof( SYMBOL_INFO );
si->MaxNameLen = 255;
SymFromAddr( proc, ptr, nullptr, si );
if( SymFromAddr( proc, ptr, nullptr, si ) == 0 )
{
memcpy( si->Name, "[unknown]", 10 );
si->NameLen = 9;
}
auto name = (char*)tracy_malloc( si->NameLen + 1 );
memcpy( name, si->Name, si->NameLen );
@ -72,10 +76,16 @@ CallstackEntry DecodeCallstackPtr( uint64_t ptr )
IMAGEHLP_LINE64 line;
unsigned long displacement = 0;
line.SizeOfStruct = sizeof( IMAGEHLP_LINE64 );
SymGetLineFromAddr64( proc, ptr, &displacement, &line );
ret.file = line.FileName;
ret.line = line.LineNumber;
if( SymGetLineFromAddr64( proc, ptr, &displacement, &line ) == 0 )
{
ret.file = "[unknown]";
ret.line = 0;
}
else
{
ret.file = line.FileName;
ret.line = line.LineNumber;
}
return ret;
}