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Disassemble symbol code fragments.

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This commit is contained in:
Bartosz Taudul 2020-03-25 22:37:34 +01:00
parent 79db7f4457
commit 3e134cdce5
3 changed files with 55 additions and 3 deletions
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45
server/TracySourceView.cpp
View File

@ -1,6 +1,8 @@
#include <inttypes.h>
#include <stdio.h>
#include <capstone/capstone.h>
#include "../imgui/imgui.h"
#include "TracyImGui.hpp"
#include "TracyPrint.hpp"
@ -26,7 +28,7 @@ SourceView::~SourceView()
delete[] m_data;
}
void SourceView::Open( const char* fileName, int line, uint64_t symAddr )
void SourceView::Open( const char* fileName, int line, uint64_t symAddr, const Worker& worker )
{
m_targetLine = line;
m_selectedLine = line;
@ -70,6 +72,47 @@ void SourceView::Open( const char* fileName, int line, uint64_t symAddr )
txt = end;
}
}
m_asm.clear();
if( symAddr == 0 ) return;
const auto arch = worker.GetCpuArch();
if( arch == CpuArchUnknown ) return;
uint32_t len;
auto code = worker.GetSymbolCode( symAddr, len );
if( !code ) return;
csh handle;
cs_err rval;
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;
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++ )
{
m_asm.emplace_back( AsmLine { insn[i].address, insn[i].mnemonic, insn[i].op_str } );
}
cs_free( insn, cnt );
}
cs_close( &handle );
}
void SourceView::Render( const Worker& worker )

11
server/TracySourceView.hpp
View File

@ -1,3 +1,4 @@
#include <string>
#include <vector>
struct ImFont;
@ -15,11 +16,18 @@ class SourceView
const char* end;
};
struct AsmLine
{
uint64_t addr;
std::string mnemonic;
std::string operands;
};
public:
SourceView( ImFont* font );
~SourceView();
void Open( const char* fileName, int line, uint64_t symAddr );
void Open( const char* fileName, int line, uint64_t symAddr, const Worker& worker );
void Render( const Worker& worker );
private:
@ -34,6 +42,7 @@ private:
int m_selectedLine;
std::vector<Line> m_lines;
std::vector<AsmLine> m_asm;
};
}

2
server/TracyView.cpp
View File

@ -196,7 +196,7 @@ void View::InitTextEditor( ImFont* font )
void View::SetTextEditorFile( const char* fileName, int line, uint64_t symAddr )
{
m_sourceViewFile = fileName;
m_sourceView->Open( fileName, line, symAddr );
m_sourceView->Open( fileName, line, symAddr, m_worker );
}
const char* View::ShortenNamespace( const char* name ) const