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Trace inline function calls on MSVC call stacks.

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This commit is contained in:
Bartosz Taudul 2019-01-26 23:50:58 +01:00
parent d86e36cc62
commit 01bddf95a6
1 changed files with 64 additions and 7 deletions
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71
client/TracyCallstack.cpp
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@ -1,3 +1,4 @@
#include <algorithm>
#include <stdio.h> #include <stdio.h>
#include "TracyCallstack.hpp" #include "TracyCallstack.hpp"
@ -24,6 +25,11 @@ namespace tracy
#if TRACY_HAS_CALLSTACK == 1 #if TRACY_HAS_CALLSTACK == 1
enum { MaxCbTrace = 16 };
int cb_num;
CallstackEntry cb_data[MaxCbTrace];
extern "C" { t_RtlWalkFrameChain RtlWalkFrameChain = 0; } extern "C" { t_RtlWalkFrameChain RtlWalkFrameChain = 0; }
void InitCallstack() void InitCallstack()
@ -39,9 +45,22 @@ void InitCallstack()
CallstackEntryData DecodeCallstackPtr( uint64_t ptr ) CallstackEntryData DecodeCallstackPtr( uint64_t ptr )
{ {
static CallstackEntry ret;
const auto proc = GetCurrentProcess(); const auto proc = GetCurrentProcess();
const auto inlineNum = std::min<DWORD>( MaxCbTrace - 1, SymAddrIncludeInlineTrace( proc, ptr ) );
DWORD ctx, idx;
int write;
BOOL doInline = FALSE;
if( inlineNum != 0 ) doInline = SymQueryInlineTrace( proc, ptr, 0, ptr, ptr, &ctx, &idx );
if( doInline )
{
write = inlineNum;
cb_num = 1 + inlineNum;
}
else
{
write = 0;
cb_num = 1;
}
char buf[sizeof( SYMBOL_INFO ) + 1024]; char buf[sizeof( SYMBOL_INFO ) + 1024];
auto si = (SYMBOL_INFO*)buf; auto si = (SYMBOL_INFO*)buf;
@ -58,7 +77,7 @@ CallstackEntryData DecodeCallstackPtr( uint64_t ptr )
memcpy( name, si->Name, si->NameLen ); memcpy( name, si->Name, si->NameLen );
name[si->NameLen] = '\0'; name[si->NameLen] = '\0';
ret.name = name; cb_data[write].name = name;
const char* filename; const char* filename;
IMAGEHLP_LINE64 line; IMAGEHLP_LINE64 line;
@ -67,12 +86,12 @@ CallstackEntryData DecodeCallstackPtr( uint64_t ptr )
if( SymGetLineFromAddr64( proc, ptr, &displacement, &line ) == 0 ) if( SymGetLineFromAddr64( proc, ptr, &displacement, &line ) == 0 )
{ {
filename = "[unknown]"; filename = "[unknown]";
ret.line = 0; cb_data[write].line = 0;
} }
else else
{ {
filename = line.FileName; filename = line.FileName;
ret.line = line.LineNumber; cb_data[write].line = line.LineNumber;
} }
const auto fsz = strlen( filename ); const auto fsz = strlen( filename );
@ -80,9 +99,47 @@ CallstackEntryData DecodeCallstackPtr( uint64_t ptr )
memcpy( file, filename, fsz ); memcpy( file, filename, fsz );
file[fsz] = '\0'; file[fsz] = '\0';
ret.file = file; cb_data[write].file = file;
return { &ret, 1 }; if( doInline )
{
for( DWORD i=0; i<inlineNum; i++ )
{
auto& cb = cb_data[i];
if( SymFromInlineContext( proc, ptr, ctx, 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 );
name[si->NameLen] = '\0';
cb.name = name;
if( SymGetLineFromInlineContext( proc, ptr, ctx, 0, &displacement, &line ) == 0 )
{
filename = "[unknown]";
cb.line = 0;
}
else
{
filename = line.FileName;
cb.line = line.LineNumber;
}
const auto fsz = strlen( filename );
auto file = (char*)tracy_malloc( fsz + 1 );
memcpy( file, filename, fsz );
file[fsz] = '\0';
cb.file = file;
ctx++;
}
}
return { cb_data, uint8_t( cb_num ) };
} }
#elif TRACY_HAS_CALLSTACK >= 2 #elif TRACY_HAS_CALLSTACK >= 2