mirror of
https://github.com/wolfpld/tracy.git
synced 2024-11-26 16:04:34 +00:00
527 lines
15 KiB
C++
527 lines
15 KiB
C++
#include <inttypes.h>
|
|
#include <stdio.h>
|
|
|
|
#include <capstone/capstone.h>
|
|
|
|
#include "../imgui/imgui.h"
|
|
#include "TracyFilesystem.hpp"
|
|
#include "TracyImGui.hpp"
|
|
#include "TracyPrint.hpp"
|
|
#include "TracySourceView.hpp"
|
|
#include "TracyWorker.hpp"
|
|
|
|
#include "IconsFontAwesome5.h"
|
|
|
|
namespace tracy
|
|
{
|
|
|
|
SourceView::SourceView( ImFont* font )
|
|
: m_font( font )
|
|
, m_file( nullptr )
|
|
, m_symAddr( 0 )
|
|
, m_currentAddr( 0 )
|
|
, m_targetAddr( 0 )
|
|
, m_data( nullptr )
|
|
, m_dataSize( 0 )
|
|
, m_targetLine( 0 )
|
|
, m_selectedLine( 0 )
|
|
, m_showAsm( false )
|
|
, m_codeLen( 0 )
|
|
, m_highlightAddr( 0 )
|
|
, m_asmRelative( false )
|
|
{
|
|
}
|
|
|
|
SourceView::~SourceView()
|
|
{
|
|
delete[] m_data;
|
|
}
|
|
|
|
void SourceView::Open( const char* fileName, int line, uint64_t baseAddr, uint64_t symAddr, const Worker& worker )
|
|
{
|
|
m_targetLine = line;
|
|
m_selectedLine = line;
|
|
m_targetAddr = symAddr;
|
|
m_baseAddr = baseAddr;
|
|
m_symAddr = symAddr;
|
|
m_currentAddr = symAddr;
|
|
|
|
if( m_file != fileName )
|
|
{
|
|
m_file = fileName;
|
|
m_lines.clear();
|
|
if( fileName )
|
|
{
|
|
FILE* f = fopen( fileName, "rb" );
|
|
fseek( f, 0, SEEK_END );
|
|
const auto sz = ftell( f );
|
|
fseek( f, 0, SEEK_SET );
|
|
if( sz > m_dataSize )
|
|
{
|
|
delete[] m_data;
|
|
m_data = new char[sz+1];
|
|
m_dataSize = sz;
|
|
}
|
|
fread( m_data, 1, sz, f );
|
|
m_data[sz] = '\0';
|
|
fclose( f );
|
|
|
|
auto txt = m_data;
|
|
for(;;)
|
|
{
|
|
auto end = txt;
|
|
while( *end != '\n' && *end != '\r' && end - m_data < sz ) end++;
|
|
m_lines.emplace_back( Line { txt, end } );
|
|
if( *end == '\n' )
|
|
{
|
|
end++;
|
|
if( *end == '\r' ) end++;
|
|
}
|
|
else if( *end == '\r' )
|
|
{
|
|
end++;
|
|
if( *end == '\n' ) end++;
|
|
}
|
|
if( *end == '\0' ) break;
|
|
txt = end;
|
|
}
|
|
}
|
|
}
|
|
|
|
if( m_lines.empty() ) m_showAsm = true;
|
|
if( !Disassemble( baseAddr, worker ) ) m_showAsm = false;
|
|
assert( m_showAsm || !m_lines.empty() );
|
|
}
|
|
|
|
bool SourceView::Disassemble( uint64_t symAddr, const Worker& worker )
|
|
{
|
|
m_asm.clear();
|
|
if( symAddr == 0 ) return false;
|
|
const auto arch = worker.GetCpuArch();
|
|
if( arch == CpuArchUnknown ) return false;
|
|
uint32_t len;
|
|
auto code = worker.GetSymbolCode( symAddr, len );
|
|
if( !code ) return false;
|
|
csh handle;
|
|
cs_err rval = CS_ERR_ARCH;
|
|
switch( arch )
|
|
{
|
|
case CpuArchX86:
|
|
rval = cs_open( CS_ARCH_X86, CS_MODE_32, &handle );
|
|
break;
|
|
case CpuArchX64:
|
|
rval = cs_open( CS_ARCH_X86, CS_MODE_64, &handle );
|
|
break;
|
|
case CpuArchArm32:
|
|
rval = cs_open( CS_ARCH_ARM, CS_MODE_ARM, &handle );
|
|
break;
|
|
case CpuArchArm64:
|
|
rval = cs_open( CS_ARCH_ARM64, CS_MODE_ARM, &handle );
|
|
break;
|
|
default:
|
|
assert( false );
|
|
break;
|
|
}
|
|
if( rval != CS_ERR_OK ) return false;
|
|
cs_option( handle, CS_OPT_DETAIL, CS_OPT_ON );
|
|
cs_insn* insn;
|
|
size_t cnt = cs_disasm( handle, (const uint8_t*)code, len, symAddr, 0, &insn );
|
|
if( cnt > 0 )
|
|
{
|
|
m_asm.reserve( cnt );
|
|
for( size_t i=0; i<cnt; i++ )
|
|
{
|
|
const auto& op = insn[i];
|
|
const auto& detail = *op.detail;
|
|
bool hasJump = false;
|
|
for( auto j=0; j<detail.groups_count; j++ )
|
|
{
|
|
if( detail.groups[j] == CS_GRP_JUMP || detail.groups[j] == CS_GRP_CALL )
|
|
{
|
|
hasJump = true;
|
|
break;
|
|
}
|
|
}
|
|
uint64_t jumpAddr = 0;
|
|
if( hasJump )
|
|
{
|
|
switch( arch )
|
|
{
|
|
case CpuArchX86:
|
|
case CpuArchX64:
|
|
if( detail.x86.op_count == 1 && detail.x86.operands[0].type == X86_OP_IMM )
|
|
{
|
|
jumpAddr = (uint64_t)detail.x86.operands[0].imm;
|
|
}
|
|
break;
|
|
case CpuArchArm32:
|
|
if( detail.arm.op_count == 1 && detail.arm.operands[0].type == ARM_OP_IMM )
|
|
{
|
|
jumpAddr = (uint64_t)detail.arm.operands[0].imm;
|
|
}
|
|
break;
|
|
case CpuArchArm64:
|
|
if( detail.arm64.op_count == 1 && detail.arm64.operands[0].type == ARM64_OP_IMM )
|
|
{
|
|
jumpAddr = (uint64_t)detail.arm64.operands[0].imm;
|
|
}
|
|
break;
|
|
default:
|
|
assert( false );
|
|
break;
|
|
}
|
|
}
|
|
m_asm.emplace_back( AsmLine { op.address, jumpAddr, op.mnemonic, op.op_str } );
|
|
}
|
|
cs_free( insn, cnt );
|
|
}
|
|
cs_close( &handle );
|
|
m_codeLen = len;
|
|
return true;
|
|
}
|
|
|
|
void SourceView::Render( const Worker& worker )
|
|
{
|
|
m_highlightAddr.Decay( 0 );
|
|
|
|
if( m_file ) TextFocused( "File:", m_file );
|
|
|
|
if( !m_asm.empty() && !m_lines.empty() )
|
|
{
|
|
if( SmallCheckbox( ICON_FA_MICROCHIP " Show assembly", &m_showAsm ) )
|
|
{
|
|
if( m_showAsm )
|
|
{
|
|
m_targetAddr = m_symAddr;
|
|
}
|
|
else
|
|
{
|
|
m_targetLine = m_selectedLine;
|
|
}
|
|
}
|
|
}
|
|
if( !m_asm.empty() )
|
|
{
|
|
if( !m_lines.empty() )
|
|
{
|
|
ImGui::SameLine();
|
|
ImGui::Spacing();
|
|
ImGui::SameLine();
|
|
}
|
|
TextFocused( "Code size:", MemSizeToString( m_codeLen ) );
|
|
}
|
|
|
|
uint32_t iptotal = 0;
|
|
unordered_flat_map<uint64_t, uint32_t> ipcount;
|
|
auto ipmap = m_symAddr != 0 ? worker.GetSymbolInstructionPointers( m_symAddr ) : nullptr;
|
|
if( ipmap )
|
|
{
|
|
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 )
|
|
{
|
|
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;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if( iptotal > 0 )
|
|
{
|
|
ImGui::SameLine();
|
|
ImGui::Spacing();
|
|
ImGui::SameLine();
|
|
TextFocused( "Samples:", RealToString( iptotal ) );
|
|
}
|
|
}
|
|
|
|
auto sym = worker.GetSymbolData( m_symAddr );
|
|
if( sym )
|
|
{
|
|
ImGui::SameLine();
|
|
ImGui::Spacing();
|
|
ImGui::SameLine();
|
|
TextFocused( "Symbol:", worker.GetString( sym->name ) );
|
|
}
|
|
|
|
if( !m_showAsm )
|
|
{
|
|
TextColoredUnformatted( ImVec4( 1.f, 1.f, 0.2f, 1.f ), ICON_FA_EXCLAMATION_TRIANGLE );
|
|
ImGui::SameLine();
|
|
TextColoredUnformatted( ImVec4( 1.f, 0.3f, 0.3f, 1.f ), "The source file contents might not reflect the actual profiled code!" );
|
|
ImGui::SameLine();
|
|
TextColoredUnformatted( ImVec4( 1.f, 1.f, 0.2f, 1.f ), ICON_FA_EXCLAMATION_TRIANGLE );
|
|
}
|
|
else
|
|
{
|
|
SmallCheckbox( ICON_FA_SEARCH_LOCATION " Relative locations", &m_asmRelative );
|
|
}
|
|
|
|
uint64_t jumpOut = 0;
|
|
ImGui::BeginChild( "##sourceView", ImVec2( 0, 0 ), true );
|
|
if( m_font ) ImGui::PushFont( m_font );
|
|
if( m_showAsm )
|
|
{
|
|
if( m_targetAddr != 0 )
|
|
{
|
|
for( auto& line : m_asm )
|
|
{
|
|
if( m_targetAddr == line.addr )
|
|
{
|
|
m_targetAddr = 0;
|
|
ImGui::SetScrollHereY();
|
|
}
|
|
RenderAsmLine( line, 0, iptotal, worker, jumpOut );
|
|
}
|
|
}
|
|
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, worker, jumpOut );
|
|
}
|
|
}
|
|
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, worker, jumpOut );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if( m_targetLine != 0 )
|
|
{
|
|
int lineNum = 1;
|
|
for( auto& line : m_lines )
|
|
{
|
|
if( m_targetLine == lineNum )
|
|
{
|
|
m_targetLine = 0;
|
|
ImGui::SetScrollHereY();
|
|
}
|
|
RenderLine( line, lineNum++, 0, iptotal );
|
|
}
|
|
}
|
|
else
|
|
{
|
|
ImGuiListClipper clipper( (int)m_lines.size() );
|
|
while( clipper.Step() )
|
|
{
|
|
if( iptotal == 0 )
|
|
{
|
|
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 );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if( m_font ) ImGui::PopFont();
|
|
ImGui::EndChild();
|
|
|
|
if( jumpOut != 0 )
|
|
{
|
|
auto sym = worker.GetSymbolData( jumpOut );
|
|
if( sym )
|
|
{
|
|
auto line = sym->line;
|
|
auto file = line == 0 ? nullptr : worker.GetString( sym->file );
|
|
if( file && !SourceFileValid( file, worker.GetCaptureTime() ) )
|
|
{
|
|
file = nullptr;
|
|
line = 0;
|
|
}
|
|
if( line > 0 || sym->size.Val() > 0 )
|
|
{
|
|
Open( file, line, jumpOut, jumpOut, worker );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void SourceView::RenderLine( const Line& line, int lineNum, 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( lineNum == m_selectedLine )
|
|
{
|
|
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 );
|
|
}
|
|
|
|
const auto lineString = RealToString( lineNum );
|
|
const auto linesz = strlen( lineString );
|
|
char buf[16];
|
|
memset( buf, ' ', 7 - linesz );
|
|
memcpy( buf + 7 - linesz, lineString, linesz+1 );
|
|
TextDisabledUnformatted( buf );
|
|
ImGui::SameLine( 0, ty );
|
|
ImGui::TextUnformatted( line.begin, line.end );
|
|
|
|
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 Worker& worker, uint64_t& jumpOut )
|
|
{
|
|
const auto ty = ImGui::GetFontSize();
|
|
auto draw = ImGui::GetWindowDrawList();
|
|
const auto w = ImGui::GetWindowWidth();
|
|
const auto wpos = ImGui::GetCursorScreenPos();
|
|
if( line.addr == m_currentAddr )
|
|
{
|
|
draw->AddRectFilled( wpos, wpos + ImVec2( w, ty+1 ), 0xFF333322 );
|
|
}
|
|
if( line.addr == m_highlightAddr )
|
|
{
|
|
draw->AddRectFilled( wpos, wpos + ImVec2( w, ty+1 ), 0xFF222233 );
|
|
}
|
|
|
|
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];
|
|
if( m_asmRelative )
|
|
{
|
|
sprintf( buf, "+%" PRIu64, line.addr - m_baseAddr );
|
|
}
|
|
else
|
|
{
|
|
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 );
|
|
|
|
if( line.jumpAddr != 0 )
|
|
{
|
|
uint32_t offset = 0;
|
|
const auto base = worker.GetSymbolForAddress( line.jumpAddr, offset );
|
|
auto sym = base == 0 ? worker.GetSymbolData( line.jumpAddr ) : worker.GetSymbolData( base );
|
|
if( sym )
|
|
{
|
|
ImGui::SameLine();
|
|
ImGui::Spacing();
|
|
ImGui::SameLine();
|
|
if( base == m_baseAddr )
|
|
{
|
|
ImGui::TextDisabled( "-> [%s+%" PRIu32"]", worker.GetString( sym->name ), offset );
|
|
if( ImGui::IsItemHovered() )
|
|
{
|
|
m_highlightAddr = line.jumpAddr;
|
|
if( ImGui::IsItemClicked() )
|
|
{
|
|
m_targetAddr = line.jumpAddr;
|
|
m_currentAddr = line.jumpAddr;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
ImGui::TextDisabled( "[%s+%" PRIu32"]", worker.GetString( sym->name ), offset );
|
|
if( ImGui::IsItemClicked() ) jumpOut = line.jumpAddr;
|
|
}
|
|
}
|
|
}
|
|
|
|
draw->AddLine( wpos + ImVec2( 0, ty+2 ), wpos + ImVec2( w, ty+2 ), 0x08FFFFFF );
|
|
}
|
|
|
|
|
|
}
|