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https://github.com/wolfpld/tracy.git
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Display disassembly.
This commit is contained in:
Bartosz Taudul
parent
b091c0d4a8
commit
4f417854e5
@ -9,17 +9,23 @@
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#include "TracySourceView.hpp"
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#include "TracyWorker.hpp"
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#ifdef TRACY_EXTENDED_FONT
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# include "IconsFontAwesome5.h"
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#endif
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namespace tracy
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{
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SourceView::SourceView( ImFont* font )
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: m_font( font )
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, m_file( nullptr )
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, m_targetAddr( 0 )
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, m_symAddr( 0 )
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, m_data( nullptr )
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, m_dataSize( 0 )
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, m_targetLine( 0 )
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, m_selectedLine( 0 )
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, m_showAsm( false )
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{
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}
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@ -32,6 +38,7 @@ void SourceView::Open( const char* fileName, int line, uint64_t symAddr, const W
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{
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m_targetLine = line;
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m_selectedLine = line;
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m_targetAddr = symAddr;
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m_symAddr = symAddr;
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if( m_file != fileName )
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@ -71,15 +78,20 @@ void SourceView::Open( const char* fileName, int line, uint64_t symAddr, const W
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if( *end == '\0' ) break;
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txt = end;
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}
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}
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if( !Disassemble( symAddr, worker ) ) m_showAsm = false;
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}
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}
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bool SourceView::Disassemble( uint64_t symAddr, const Worker& worker )
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{
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m_asm.clear();
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if( symAddr == 0 ) return;
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if( symAddr == 0 ) return false;
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const auto arch = worker.GetCpuArch();
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if( arch == CpuArchUnknown ) return;
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if( arch == CpuArchUnknown ) return false;
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uint32_t len;
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auto code = worker.GetSymbolCode( symAddr, len );
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if( !code ) return;
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if( !code ) return false;
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csh handle;
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cs_err rval;
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switch( arch )
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@ -100,7 +112,7 @@ void SourceView::Open( const char* fileName, int line, uint64_t symAddr, const W
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assert( false );
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break;
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}
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if( rval != CS_ERR_OK ) return;
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if( rval != CS_ERR_OK ) return false;
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cs_insn* insn;
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size_t cnt = cs_disasm( handle, (const uint8_t*)code, len, symAddr, 0, &insn );
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if( cnt > 0 )
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@ -113,14 +125,45 @@ void SourceView::Open( const char* fileName, int line, uint64_t symAddr, const W
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cs_free( insn, cnt );
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}
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cs_close( &handle );
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return true;
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}
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void SourceView::Render( const Worker& worker )
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{
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uint32_t iptotal = 0;
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unordered_flat_map<uint32_t, uint32_t> ipcount;
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unordered_flat_map<uint64_t, uint32_t> ipcount;
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auto ipmap = m_symAddr != 0 ? worker.GetSymbolInstructionPointers( m_symAddr ) : nullptr;
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if( ipmap )
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{
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if( !m_asm.empty() )
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{
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#ifdef TRACY_EXTENDED_FONT
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if( SmallCheckbox( ICON_FA_MICROCHIP " Show assembly", &m_showAsm ) )
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#else
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if( SmallCheckbox( "Show assembly", &m_showAsm ) )
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#endif
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{
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if( m_showAsm )
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{
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m_targetAddr = m_symAddr;
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}
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else
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{
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m_targetLine = m_selectedLine;
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}
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}
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}
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if( m_showAsm )
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{
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for( auto& ip : *ipmap )
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{
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auto addr = worker.GetCanonicalPointer( ip.first );
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assert( ipcount.find( addr ) == ipcount.end() );
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ipcount.emplace( addr, ip.second );
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iptotal += ip.second;
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}
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}
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else
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{
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for( auto& ip : *ipmap )
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{
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@ -144,18 +187,68 @@ void SourceView::Render( const Worker& worker )
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}
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}
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}
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}
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auto sym = worker.GetSymbolData( m_symAddr );
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if( sym )
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{
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TextFocused( "Showing profiling data for:", worker.GetString( sym->name ) );
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if( !m_asm.empty() )
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{
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ImGui::SameLine();
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ImGui::TextDisabled( "(%" PRIu32 " samples)", iptotal );
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ImGui::Spacing();
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ImGui::SameLine();
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}
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TextFocused( "Samples:", RealToString( iptotal ) );
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ImGui::SameLine();
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ImGui::Spacing();
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ImGui::SameLine();
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TextFocused( "Symbol:", worker.GetString( sym->name ) );
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}
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}
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ImGui::BeginChild( "##sourceView", ImVec2( 0, 0 ), true );
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if( m_font ) ImGui::PushFont( m_font );
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const auto nw = ImGui::CalcTextSize( "123,345" ).x;
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if( m_showAsm )
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{
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if( m_targetAddr != 0 )
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{
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for( auto& line : m_asm )
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{
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if( m_targetAddr == line.addr )
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{
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m_targetAddr = 0;
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ImGui::SetScrollHereY();
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}
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RenderAsmLine( line, 0, iptotal );
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}
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}
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else
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{
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ImGuiListClipper clipper( (int)m_asm.size() );
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while( clipper.Step() )
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{
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if( iptotal == 0 )
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{
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for( auto i=clipper.DisplayStart; i<clipper.DisplayEnd; i++ )
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{
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RenderAsmLine( m_asm[i], 0, 0 );
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}
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}
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else
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{
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for( auto i=clipper.DisplayStart; i<clipper.DisplayEnd; i++ )
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{
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auto& line = m_asm[i];
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auto it = ipcount.find( line.addr );
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const auto ipcnt = it == ipcount.end() ? 0 : it->second;
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RenderAsmLine( line, ipcnt, iptotal );
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}
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}
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}
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}
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}
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else
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{
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if( m_targetLine != 0 )
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{
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int lineNum = 1;
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@ -171,7 +264,7 @@ void SourceView::Render( const Worker& worker )
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}
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else
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{
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ImGuiListClipper clipper( m_lines.size() );
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ImGuiListClipper clipper( (int)m_lines.size() );
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while( clipper.Step() )
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{
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if( iptotal == 0 )
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@ -192,6 +285,7 @@ void SourceView::Render( const Worker& worker )
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}
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}
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}
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}
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if( m_font ) ImGui::PopFont();
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ImGui::EndChild();
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}
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@ -240,4 +334,54 @@ void SourceView::RenderLine( const Line& line, int lineNum, uint32_t ipcnt, uint
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draw->AddLine( wpos + ImVec2( 0, ty+2 ), wpos + ImVec2( w, ty+2 ), 0x08FFFFFF );
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}
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void SourceView::RenderAsmLine( const AsmLine& line, uint32_t ipcnt, uint32_t iptotal )
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{
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const auto ty = ImGui::GetFontSize();
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auto draw = ImGui::GetWindowDrawList();
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const auto w = ImGui::GetWindowWidth();
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const auto wpos = ImGui::GetCursorScreenPos();
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if( line.addr == m_symAddr )
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{
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draw->AddRectFilled( wpos, wpos + ImVec2( w, ty+1 ), 0xFF333322 );
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}
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if( iptotal != 0 )
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{
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if( ipcnt == 0 )
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{
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ImGui::TextUnformatted( " " );
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}
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else
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{
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char tmp[16];
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auto end = PrintFloat( tmp, tmp+16, 100.f * ipcnt / iptotal, 2 );
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memcpy( end, "%", 2 );
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end++;
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const auto sz = end - tmp;
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char buf[16];
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memset( buf, ' ', 7-sz );
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memcpy( buf + 7 - sz, tmp, sz+1 );
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ImGui::TextUnformatted( buf );
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}
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ImGui::SameLine( 0, ty );
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}
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char buf[256];
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sprintf( buf, "%" PRIx64, line.addr );
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const auto asz = strlen( buf );
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memset( buf+asz, ' ', 16-asz );
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buf[16] = '\0';
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TextDisabledUnformatted( buf );
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ImGui::SameLine( 0, ty );
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const auto msz = line.mnemonic.size();
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memcpy( buf, line.mnemonic.c_str(), msz );
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memset( buf+msz, ' ', 16-msz );
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memcpy( buf+16, line.operands.c_str(), line.operands.size() + 1 );
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ImGui::TextUnformatted( buf );
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draw->AddLine( wpos + ImVec2( 0, ty+2 ), wpos + ImVec2( w, ty+2 ), 0x08FFFFFF );
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}
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}
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@ -32,14 +32,19 @@ public:
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private:
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void RenderLine( const Line& line, int lineNum, uint32_t ipcnt, uint32_t iptotal );
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void RenderAsmLine( const AsmLine& line, uint32_t ipcnt, uint32_t iptotal );
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bool Disassemble( uint64_t symAddr, const Worker& worker );
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ImFont* m_font;
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const char* m_file;
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uint64_t m_symAddr;
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uint64_t m_targetAddr;
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char* m_data;
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size_t m_dataSize;
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int m_targetLine;
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int m_selectedLine;
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bool m_showAsm;
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std::vector<Line> m_lines;
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std::vector<AsmLine> m_asm;
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