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Dynamically load some dbghelp functions.

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Bartosz Taudul 2021-06-17 01:34:45 +02:00
parent c41a5b0df0
commit fde62b4e6e
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GPG Key ID: B7FE2008B7575DF3
1 changed files with 41 additions and 34 deletions
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61
client/TracyCallstack.cpp
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@ -78,21 +78,17 @@ CallstackEntry cb_data[MaxCbTrace];
extern "C" extern "C"
{ {
typedef unsigned long (__stdcall *t_RtlWalkFrameChain)( void**, unsigned long, unsigned long ); typedef unsigned long (__stdcall *t_RtlWalkFrameChain)( void**, unsigned long, unsigned long );
t_RtlWalkFrameChain RtlWalkFrameChain = 0; typedef DWORD (__stdcall *t_SymAddrIncludeInlineTrace)( HANDLE hProcess, DWORD64 Address );
} typedef BOOL (__stdcall *t_SymQueryInlineTrace)( HANDLE hProcess, DWORD64 StartAddress, DWORD StartContext, DWORD64 StartRetAddress, DWORD64 CurAddress, LPDWORD CurContext, LPDWORD CurFrameIndex );
typedef BOOL (__stdcall *t_SymFromInlineContext)( HANDLE hProcess, DWORD64 Address, ULONG InlineContext, PDWORD64 Displacement, PSYMBOL_INFO Symbol );
typedef BOOL (__stdcall *t_SymGetLineFromInlineContext)( HANDLE hProcess, DWORD64 qwAddr, ULONG InlineContext, DWORD64 qwModuleBaseAddress, PDWORD pdwDisplacement, PIMAGEHLP_LINE64 Line64 );
#if defined __MINGW32__ && API_VERSION_NUMBER < 12 t_RtlWalkFrameChain RtlWalkFrameChain = 0;
extern "C" { t_SymAddrIncludeInlineTrace _SymAddrIncludeInlineTrace = 0;
// Actual required API_VERSION_NUMBER is unknown because it is undocumented. These functions are not present in at least v11. t_SymQueryInlineTrace _SymQueryInlineTrace = 0;
DWORD IMAGEAPI SymAddrIncludeInlineTrace(HANDLE hProcess, DWORD64 Address); t_SymFromInlineContext _SymFromInlineContext = 0;
BOOL IMAGEAPI SymQueryInlineTrace(HANDLE hProcess, DWORD64 StartAddress, DWORD StartContext, DWORD64 StartRetAddress, t_SymGetLineFromInlineContext _SymGetLineFromInlineContext = 0;
DWORD64 CurAddress, LPDWORD CurContext, LPDWORD CurFrameIndex); }
BOOL IMAGEAPI SymFromInlineContext(HANDLE hProcess, DWORD64 Address, ULONG InlineContext, PDWORD64 Displacement,
PSYMBOL_INFO Symbol);
BOOL IMAGEAPI SymGetLineFromInlineContext(HANDLE hProcess, DWORD64 qwAddr, ULONG InlineContext,
DWORD64 qwModuleBaseAddress, PDWORD pdwDisplacement, PIMAGEHLP_LINE64 Line64);
};
#endif
#ifndef __CYGWIN__ #ifndef __CYGWIN__
struct ModuleCache struct ModuleCache
@ -108,6 +104,10 @@ static FastVector<ModuleCache>* s_modCache;
void InitCallstack() void InitCallstack()
{ {
RtlWalkFrameChain = (t_RtlWalkFrameChain)GetProcAddress( GetModuleHandleA( "ntdll.dll" ), "RtlWalkFrameChain" ); RtlWalkFrameChain = (t_RtlWalkFrameChain)GetProcAddress( GetModuleHandleA( "ntdll.dll" ), "RtlWalkFrameChain" );
_SymAddrIncludeInlineTrace = (t_SymAddrIncludeInlineTrace)GetProcAddress( GetModuleHandleA( "dbghelp.dll" ), "SymAddrIncludeInlineTrace" );
_SymQueryInlineTrace = (t_SymQueryInlineTrace)GetProcAddress( GetModuleHandleA( "dbghelp.dll" ), "SymQueryInlineTrace" );
_SymFromInlineContext = (t_SymFromInlineContext)GetProcAddress( GetModuleHandleA( "dbghelp.dll" ), "SymFromInlineContext" );
_SymGetLineFromInlineContext = (t_SymGetLineFromInlineContext)GetProcAddress( GetModuleHandleA( "dbghelp.dll" ), "SymGetLineFromInlineContext" );
#ifdef TRACY_DBGHELP_LOCK #ifdef TRACY_DBGHELP_LOCK
DBGHELP_INIT; DBGHELP_INIT;
@ -292,21 +292,24 @@ CallstackSymbolData DecodeCodeAddress( uint64_t ptr )
#ifdef TRACY_DBGHELP_LOCK #ifdef TRACY_DBGHELP_LOCK
DBGHELP_LOCK; DBGHELP_LOCK;
#endif #endif
#if !defined __CYGWIN__ && !defined TRACY_NO_CALLSTACK_INLINES #if !defined TRACY_NO_CALLSTACK_INLINES
DWORD inlineNum = SymAddrIncludeInlineTrace( proc, ptr ); if( _SymAddrIncludeInlineTrace )
{
DWORD inlineNum = _SymAddrIncludeInlineTrace( proc, ptr );
DWORD ctx = 0; DWORD ctx = 0;
DWORD idx; DWORD idx;
BOOL doInline = FALSE; BOOL doInline = FALSE;
if( inlineNum != 0 ) doInline = SymQueryInlineTrace( proc, ptr, 0, ptr, ptr, &ctx, &idx ); if( inlineNum != 0 ) doInline = _SymQueryInlineTrace( proc, ptr, 0, ptr, ptr, &ctx, &idx );
if( doInline ) if( doInline )
{ {
if( SymGetLineFromInlineContext( proc, ptr, ctx, 0, &displacement, &line ) != 0 ) if( _SymGetLineFromInlineContext( proc, ptr, ctx, 0, &displacement, &line ) != 0 )
{ {
sym.file = line.FileName; sym.file = line.FileName;
sym.line = line.LineNumber; sym.line = line.LineNumber;
done = true; done = true;
} }
} }
}
#endif #endif
if( !done ) if( !done )
{ {
@ -335,13 +338,17 @@ CallstackEntryData DecodeCallstackPtr( uint64_t ptr )
#ifdef TRACY_DBGHELP_LOCK #ifdef TRACY_DBGHELP_LOCK
DBGHELP_LOCK; DBGHELP_LOCK;
#endif #endif
#if !defined __CYGWIN__ && !defined TRACY_NO_CALLSTACK_INLINES #if !defined TRACY_NO_CALLSTACK_INLINES
DWORD inlineNum = SymAddrIncludeInlineTrace( proc, ptr );
if( inlineNum > MaxCbTrace - 1 ) inlineNum = MaxCbTrace - 1;
DWORD ctx = 0;
DWORD idx;
BOOL doInline = FALSE; BOOL doInline = FALSE;
if( inlineNum != 0 ) doInline = SymQueryInlineTrace( proc, ptr, 0, ptr, ptr, &ctx, &idx ); DWORD ctx = 0;
DWORD inlineNum;
if( _SymAddrIncludeInlineTrace )
{
inlineNum = _SymAddrIncludeInlineTrace( proc, ptr );
if( inlineNum > MaxCbTrace - 1 ) inlineNum = MaxCbTrace - 1;
DWORD idx;
if( inlineNum != 0 ) doInline = _SymQueryInlineTrace( proc, ptr, 0, ptr, ptr, &ctx, &idx );
}
if( doInline ) if( doInline )
{ {
write = inlineNum; write = inlineNum;
@ -393,15 +400,15 @@ CallstackEntryData DecodeCallstackPtr( uint64_t ptr )
} }
} }
#if !defined __CYGWIN__ && !defined TRACY_NO_CALLSTACK_INLINES #if !defined TRACY_NO_CALLSTACK_INLINES
if( doInline ) if( doInline )
{ {
for( DWORD i=0; i<inlineNum; i++ ) for( DWORD i=0; i<inlineNum; i++ )
{ {
auto& cb = cb_data[i]; auto& cb = cb_data[i];
const auto symInlineValid = SymFromInlineContext( proc, ptr, ctx, nullptr, si ) != 0; const auto symInlineValid = _SymFromInlineContext( proc, ptr, ctx, nullptr, si ) != 0;
const char* filename; const char* filename;
if( SymGetLineFromInlineContext( proc, ptr, ctx, 0, &displacement, &line ) == 0 ) if( _SymGetLineFromInlineContext( proc, ptr, ctx, 0, &displacement, &line ) == 0 )
{ {
filename = "[unknown]"; filename = "[unknown]";
cb.line = 0; cb.line = 0;