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ensure executable path is inspected when looking for pdb files

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This commit is contained in:
Marcos Slomp
2026-02-17 14:27:07 -08:00
parent 6de054002d
commit 12da626fd1
1 changed files with 33 additions and 2 deletions
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35
public/client/TracyCallstack.cpp
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@@ -378,6 +378,22 @@ void InitCallstackCritical()
___tracy_RtlWalkFrameChainPtr = (___tracy_t_RtlWalkFrameChain)GetProcAddress( GetModuleHandleA( "ntdll.dll" ), "RtlWalkFrameChain" );
}
static void SymError( const char* function, DWORD code ) {
char message[1024] = {};
int written = snprintf( message, sizeof( message ), "ERROR: %s FAILED with code %u (0x%x) | ", function, code, code );
written += FormatMessageA(
FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
NULL,
code,
MAKELANGID(LANG_ENGLISH, SUBLANG_ENGLISH_US),
(LPSTR)&message[written],
sizeof(message) - written,
NULL
);
fprintf( stderr, "%s\n", message );
OutputDebugStringA( message );
}
void DbgHelpInit()
{
if( s_shouldResolveSymbolsOffline ) return;
@@ -392,8 +408,23 @@ void DbgHelpInit()
DBGHELP_LOCK;
#endif
SymInitialize( GetCurrentProcess(), nullptr, true );
SymSetOptions( SYMOPT_LOAD_LINES );
// append executable path to the _NT_SYMBOL_PATH environment variable
char buffer [32767]; // max env var length on Windows (including null-terminator)
DWORD length = GetEnvironmentVariableA( "_NT_SYMBOL_PATH", buffer, sizeof( buffer ) );
buffer[length] = ';';
buffer[++length] = '\0';
length += GetModuleFileNameA( NULL, &buffer[length], sizeof( buffer ) - length );
while( length > 0 && buffer[--length] != '\\ ')
buffer[length] = '\0';
assert( length < sizeof( buffer ) );
if( SetEnvironmentVariableA( "_NT_SYMBOL_PATH", buffer ) == FALSE ) {
SymError( "SetEnvironmentVariableA", GetLastError() );
}
SymSetOptions( SymGetOptions() | SYMOPT_LOAD_LINES );
if( SymInitialize( GetCurrentProcess(), NULL, TRUE ) == FALSE ) {
SymError( "SymInitialize", GetLastError() );
}
#ifdef TRACY_DBGHELP_LOCK
DBGHELP_UNLOCK;