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Store current process id in a static variable.

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This commit is contained in:
Bartosz Taudul
2019-10-27 14:01:51 +01:00
parent 106411e1f6
commit 394ad35eb2
1 changed files with 11 additions and 10 deletions
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21
client/TracyCallstack.cpp
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@@ -51,28 +51,30 @@ BOOL IMAGEAPI SymGetLineFromInlineContext(HANDLE hProcess, DWORD64 qwAddr, ULONG
};
#endif
static HANDLE currentProcess;
void InitCallstack()
{
currentProcess = GetCurrentProcess();
#ifdef UNICODE
RtlWalkFrameChain = (t_RtlWalkFrameChain)GetProcAddress( GetModuleHandle( L"ntdll.dll" ), "RtlWalkFrameChain" );
#else
RtlWalkFrameChain = (t_RtlWalkFrameChain)GetProcAddress( GetModuleHandle( "ntdll.dll" ), "RtlWalkFrameChain" );
#endif
SymInitialize( GetCurrentProcess(), nullptr, true );
SymInitialize( currentProcess, nullptr, true );
SymSetOptions( SYMOPT_LOAD_LINES );
}
const char* DecodeCallstackPtrFast( uint64_t ptr )
{
static char ret[1024];
const auto proc = GetCurrentProcess();
char buf[sizeof( SYMBOL_INFO ) + 1024];
auto si = (SYMBOL_INFO*)buf;
si->SizeOfStruct = sizeof( SYMBOL_INFO );
si->MaxNameLen = 1024;
if( SymFromAddr( proc, ptr, nullptr, si ) == 0 )
if( SymFromAddr( currentProcess, ptr, nullptr, si ) == 0 )
{
*ret = '\0';
}
@@ -87,13 +89,12 @@ const char* DecodeCallstackPtrFast( uint64_t ptr )
CallstackEntryData DecodeCallstackPtr( uint64_t ptr )
{
int write;
const auto proc = GetCurrentProcess();
#ifndef __CYGWIN__
const auto inlineNum = std::min<DWORD>( MaxCbTrace - 1, SymAddrIncludeInlineTrace( proc, ptr ) );
const auto inlineNum = std::min<DWORD>( MaxCbTrace - 1, SymAddrIncludeInlineTrace( currentProcess, 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( currentProcess, ptr, 0, ptr, ptr, &ctx, &idx );
if( doInline )
{
write = inlineNum;
@@ -111,7 +112,7 @@ CallstackEntryData DecodeCallstackPtr( uint64_t ptr )
si->SizeOfStruct = sizeof( SYMBOL_INFO );
si->MaxNameLen = 1024;
if( SymFromAddr( proc, ptr, nullptr, si ) == 0 )
if( SymFromAddr( currentProcess, ptr, nullptr, si ) == 0 )
{
memcpy( si->Name, "[unknown]", 10 );
si->NameLen = 9;
@@ -129,7 +130,7 @@ CallstackEntryData DecodeCallstackPtr( uint64_t ptr )
cb_data[write].name = name;
const char* filename;
if (SymGetLineFromAddr64(proc, ptr, &displacement, &line) == 0)
if( SymGetLineFromAddr64( currentProcess, ptr, &displacement, &line ) == 0 )
{
filename = "[unknown]";
cb_data[write].line = 0;
@@ -155,7 +156,7 @@ CallstackEntryData DecodeCallstackPtr( uint64_t ptr )
{
auto& cb = cb_data[i];
if( SymFromInlineContext( proc, ptr, ctx, nullptr, si ) == 0 )
if( SymFromInlineContext( currentProcess, ptr, ctx, nullptr, si ) == 0 )
{
memcpy( si->Name, "[unknown]", 10 );
si->NameLen = 9;
@@ -167,7 +168,7 @@ CallstackEntryData DecodeCallstackPtr( uint64_t ptr )
cb.name = name;
const char* filename;
if( SymGetLineFromInlineContext( proc, ptr, ctx, 0, &displacement, &line ) == 0 )
if( SymGetLineFromInlineContext( currentProcess, ptr, ctx, 0, &displacement, &line ) == 0 )
{
filename = "[unknown]";
cb.line = 0;