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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"
{
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
extern "C" {
// Actual required API_VERSION_NUMBER is unknown because it is undocumented. These functions are not present in at least v11.
DWORD IMAGEAPI SymAddrIncludeInlineTrace(HANDLE hProcess, DWORD64 Address);
BOOL IMAGEAPI SymQueryInlineTrace(HANDLE hProcess, DWORD64 StartAddress, DWORD StartContext, DWORD64 StartRetAddress,
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
t_RtlWalkFrameChain RtlWalkFrameChain = 0;
t_SymAddrIncludeInlineTrace _SymAddrIncludeInlineTrace = 0;
t_SymQueryInlineTrace _SymQueryInlineTrace = 0;
t_SymFromInlineContext _SymFromInlineContext = 0;
t_SymGetLineFromInlineContext _SymGetLineFromInlineContext = 0;
}
#ifndef __CYGWIN__
struct ModuleCache
@ -108,6 +104,10 @@ static FastVector<ModuleCache>* s_modCache;
void InitCallstack()
{
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
DBGHELP_INIT;
@ -292,21 +292,24 @@ CallstackSymbolData DecodeCodeAddress( uint64_t ptr )
#ifdef TRACY_DBGHELP_LOCK
DBGHELP_LOCK;
#endif
#if !defined __CYGWIN__ && !defined TRACY_NO_CALLSTACK_INLINES
DWORD inlineNum = SymAddrIncludeInlineTrace( proc, ptr );
#if !defined TRACY_NO_CALLSTACK_INLINES
if( _SymAddrIncludeInlineTrace )
{
DWORD inlineNum = _SymAddrIncludeInlineTrace( proc, ptr );
DWORD ctx = 0;
DWORD idx;
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( SymGetLineFromInlineContext( proc, ptr, ctx, 0, &displacement, &line ) != 0 )
if( _SymGetLineFromInlineContext( proc, ptr, ctx, 0, &displacement, &line ) != 0 )
{
sym.file = line.FileName;
sym.line = line.LineNumber;
done = true;
}
}
}
#endif
if( !done )
{
@ -335,13 +338,17 @@ CallstackEntryData DecodeCallstackPtr( uint64_t ptr )
#ifdef TRACY_DBGHELP_LOCK
DBGHELP_LOCK;
#endif
#if !defined __CYGWIN__ && !defined TRACY_NO_CALLSTACK_INLINES
DWORD inlineNum = SymAddrIncludeInlineTrace( proc, ptr );
if( inlineNum > MaxCbTrace - 1 ) inlineNum = MaxCbTrace - 1;
DWORD ctx = 0;
DWORD idx;
#if !defined TRACY_NO_CALLSTACK_INLINES
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 )
{
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 )
{
for( DWORD i=0; i<inlineNum; 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;
if( SymGetLineFromInlineContext( proc, ptr, ctx, 0, &displacement, &line ) == 0 )
if( _SymGetLineFromInlineContext( proc, ptr, ctx, 0, &displacement, &line ) == 0 )
{
filename = "[unknown]";
cb.line = 0;