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Display disassembly.

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This commit is contained in:
Bartosz Taudul 2020-03-25 22:53:05 +01:00
parent b091c0d4a8
commit 4f417854e5
2 changed files with 188 additions and 39 deletions
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222
server/TracySourceView.cpp
View File

@ -9,17 +9,23 @@
#include "TracySourceView.hpp"
#include "TracyWorker.hpp"
#ifdef TRACY_EXTENDED_FONT
# include "IconsFontAwesome5.h"
#endif
namespace tracy
{
SourceView::SourceView( ImFont* font )
: m_font( font )
, m_file( nullptr )
, m_targetAddr( 0 )
, m_symAddr( 0 )
, m_data( nullptr )
, m_dataSize( 0 )
, m_targetLine( 0 )
, m_selectedLine( 0 )
, m_showAsm( false )
{
}
@ -32,6 +38,7 @@ void SourceView::Open( const char* fileName, int line, uint64_t symAddr, const W
{
m_targetLine = line;
m_selectedLine = line;
m_targetAddr = symAddr;
m_symAddr = symAddr;
if( m_file != fileName )
@ -71,15 +78,20 @@ void SourceView::Open( const char* fileName, int line, uint64_t symAddr, const W
if( *end == '\0' ) break;
txt = end;
}
}
if( !Disassemble( symAddr, worker ) ) m_showAsm = false;
}
}
bool SourceView::Disassemble( uint64_t symAddr, const Worker& worker )
{
m_asm.clear();
if( symAddr == 0 ) return;
if( symAddr == 0 ) return false;
const auto arch = worker.GetCpuArch();
if( arch == CpuArchUnknown ) return;
if( arch == CpuArchUnknown ) return false;
uint32_t len;
auto code = worker.GetSymbolCode( symAddr, len );
if( !code ) return;
if( !code ) return false;
csh handle;
cs_err rval;
switch( arch )
@ -100,7 +112,7 @@ void SourceView::Open( const char* fileName, int line, uint64_t symAddr, const W
assert( false );
break;
}
if( rval != CS_ERR_OK ) return;
if( rval != CS_ERR_OK ) return false;
cs_insn* insn;
size_t cnt = cs_disasm( handle, (const uint8_t*)code, len, symAddr, 0, &insn );
if( cnt > 0 )
@ -113,81 +125,163 @@ void SourceView::Open( const char* fileName, int line, uint64_t symAddr, const W
cs_free( insn, cnt );
}
cs_close( &handle );
return true;
}
void SourceView::Render( const Worker& worker )
{
uint32_t iptotal = 0;
unordered_flat_map<uint32_t, uint32_t> ipcount;
unordered_flat_map<uint64_t, uint32_t> ipcount;
auto ipmap = m_symAddr != 0 ? worker.GetSymbolInstructionPointers( m_symAddr ) : nullptr;
if( ipmap )
{
for( auto& ip : *ipmap )
if( !m_asm.empty() )
{
auto frame = worker.GetCallstackFrame( ip.first );
if( frame )
#ifdef TRACY_EXTENDED_FONT
if( SmallCheckbox( ICON_FA_MICROCHIP " Show assembly", &m_showAsm ) )
#else
if( SmallCheckbox( "Show assembly", &m_showAsm ) )
#endif
{
auto ffn = worker.GetString( frame->data[0].file );
if( strcmp( ffn, m_file ) == 0 )
if( m_showAsm )
{
const auto line = frame->data[0].line;
auto it = ipcount.find( line );
if( it == ipcount.end() )
m_targetAddr = m_symAddr;
}
else
{
m_targetLine = m_selectedLine;
}
}
}
if( m_showAsm )
{
for( auto& ip : *ipmap )
{
auto addr = worker.GetCanonicalPointer( ip.first );
assert( ipcount.find( addr ) == ipcount.end() );
ipcount.emplace( addr, ip.second );
iptotal += ip.second;
}
}
else
{
for( auto& ip : *ipmap )
{
auto frame = worker.GetCallstackFrame( ip.first );
if( frame )
{
auto ffn = worker.GetString( frame->data[0].file );
if( strcmp( ffn, m_file ) == 0 )
{
ipcount.emplace( line, ip.second );
const auto line = frame->data[0].line;
auto it = ipcount.find( line );
if( it == ipcount.end() )
{
ipcount.emplace( line, ip.second );
}
else
{
it->second += ip.second;
}
iptotal += ip.second;
}
else
{
it->second += ip.second;
}
iptotal += ip.second;
}
}
}
auto sym = worker.GetSymbolData( m_symAddr );
if( sym )
{
TextFocused( "Showing profiling data for:", worker.GetString( sym->name ) );
if( !m_asm.empty() )
{
ImGui::SameLine();
ImGui::Spacing();
ImGui::SameLine();
}
TextFocused( "Samples:", RealToString( iptotal ) );
ImGui::SameLine();
ImGui::TextDisabled( "(%" PRIu32 " samples)", iptotal );
ImGui::Spacing();
ImGui::SameLine();
TextFocused( "Symbol:", worker.GetString( sym->name ) );
}
}
ImGui::BeginChild( "##sourceView", ImVec2( 0, 0 ), true );
if( m_font ) ImGui::PushFont( m_font );
const auto nw = ImGui::CalcTextSize( "123,345" ).x;
if( m_targetLine != 0 )
if( m_showAsm )
{
int lineNum = 1;
for( auto& line : m_lines )
if( m_targetAddr != 0 )
{
if( m_targetLine == lineNum )
for( auto& line : m_asm )
{
m_targetLine = 0;
ImGui::SetScrollHereY();
if( m_targetAddr == line.addr )
{
m_targetAddr = 0;
ImGui::SetScrollHereY();
}
RenderAsmLine( line, 0, iptotal );
}
}
else
{
ImGuiListClipper clipper( (int)m_asm.size() );
while( clipper.Step() )
{
if( iptotal == 0 )
{
for( auto i=clipper.DisplayStart; i<clipper.DisplayEnd; i++ )
{
RenderAsmLine( m_asm[i], 0, 0 );
}
}
else
{
for( auto i=clipper.DisplayStart; i<clipper.DisplayEnd; i++ )
{
auto& line = m_asm[i];
auto it = ipcount.find( line.addr );
const auto ipcnt = it == ipcount.end() ? 0 : it->second;
RenderAsmLine( line, ipcnt, iptotal );
}
}
}
RenderLine( line, lineNum++, 0, iptotal );
}
}
else
{
ImGuiListClipper clipper( m_lines.size() );
while( clipper.Step() )
if( m_targetLine != 0 )
{
if( iptotal == 0 )
int lineNum = 1;
for( auto& line : m_lines )
{
for( auto i=clipper.DisplayStart; i<clipper.DisplayEnd; i++ )
if( m_targetLine == lineNum )
{
RenderLine( m_lines[i], i+1, 0, 0 );
m_targetLine = 0;
ImGui::SetScrollHereY();
}
RenderLine( line, lineNum++, 0, iptotal );
}
else
}
else
{
ImGuiListClipper clipper( (int)m_lines.size() );
while( clipper.Step() )
{
for( auto i=clipper.DisplayStart; i<clipper.DisplayEnd; i++ )
if( iptotal == 0 )
{
auto it = ipcount.find( i+1 );
const auto ipcnt = it == ipcount.end() ? 0 : it->second;
RenderLine( m_lines[i], i+1, ipcnt, iptotal );
for( auto i=clipper.DisplayStart; i<clipper.DisplayEnd; i++ )
{
RenderLine( m_lines[i], i+1, 0, 0 );
}
}
else
{
for( auto i=clipper.DisplayStart; i<clipper.DisplayEnd; i++ )
{
auto it = ipcount.find( i+1 );
const auto ipcnt = it == ipcount.end() ? 0 : it->second;
RenderLine( m_lines[i], i+1, ipcnt, iptotal );
}
}
}
}
@ -240,4 +334,54 @@ void SourceView::RenderLine( const Line& line, int lineNum, uint32_t ipcnt, uint
draw->AddLine( wpos + ImVec2( 0, ty+2 ), wpos + ImVec2( w, ty+2 ), 0x08FFFFFF );
}
void SourceView::RenderAsmLine( const AsmLine& line, uint32_t ipcnt, uint32_t iptotal )
{
const auto ty = ImGui::GetFontSize();
auto draw = ImGui::GetWindowDrawList();
const auto w = ImGui::GetWindowWidth();
const auto wpos = ImGui::GetCursorScreenPos();
if( line.addr == m_symAddr )
{
draw->AddRectFilled( wpos, wpos + ImVec2( w, ty+1 ), 0xFF333322 );
}
if( iptotal != 0 )
{
if( ipcnt == 0 )
{
ImGui::TextUnformatted( " " );
}
else
{
char tmp[16];
auto end = PrintFloat( tmp, tmp+16, 100.f * ipcnt / iptotal, 2 );
memcpy( end, "%", 2 );
end++;
const auto sz = end - tmp;
char buf[16];
memset( buf, ' ', 7-sz );
memcpy( buf + 7 - sz, tmp, sz+1 );
ImGui::TextUnformatted( buf );
}
ImGui::SameLine( 0, ty );
}
char buf[256];
sprintf( buf, "%" PRIx64, line.addr );
const auto asz = strlen( buf );
memset( buf+asz, ' ', 16-asz );
buf[16] = '\0';
TextDisabledUnformatted( buf );
ImGui::SameLine( 0, ty );
const auto msz = line.mnemonic.size();
memcpy( buf, line.mnemonic.c_str(), msz );
memset( buf+msz, ' ', 16-msz );
memcpy( buf+16, line.operands.c_str(), line.operands.size() + 1 );
ImGui::TextUnformatted( buf );
draw->AddLine( wpos + ImVec2( 0, ty+2 ), wpos + ImVec2( w, ty+2 ), 0x08FFFFFF );
}
}

5
server/TracySourceView.hpp
View File

@ -32,14 +32,19 @@ public:
private:
void RenderLine( const Line& line, int lineNum, uint32_t ipcnt, uint32_t iptotal );
void RenderAsmLine( const AsmLine& line, uint32_t ipcnt, uint32_t iptotal );
bool Disassemble( uint64_t symAddr, const Worker& worker );
ImFont* m_font;
const char* m_file;
uint64_t m_symAddr;
uint64_t m_targetAddr;
char* m_data;
size_t m_dataSize;
int m_targetLine;
int m_selectedLine;
bool m_showAsm;
std::vector<Line> m_lines;
std::vector<AsmLine> m_asm;