From b157d4c161fc8ccce07769ac0ecb9e399aab7647 Mon Sep 17 00:00:00 2001
From: Bartosz Taudul <wolf.pld@gmail.com>
Date: Sun, 19 Apr 2020 14:40:36 +0200
Subject: [PATCH] Detect disassembly failures.

---
 server/TracySourceView.cpp | 2 ++
 server/TracySourceView.hpp | 1 +
 2 files changed, 3 insertions(+)

diff --git a/server/TracySourceView.cpp b/server/TracySourceView.cpp
index ba7cd2ff..c329f8fe 100644
--- a/server/TracySourceView.cpp
+++ b/server/TracySourceView.cpp
@@ -150,6 +150,7 @@ bool SourceView::Disassemble( uint64_t symAddr, const Worker& worker )
     uint32_t len;
     auto code = worker.GetSymbolCode( symAddr, len );
     if( !code ) return false;
+    m_disasmFail = -1;
     csh handle;
     cs_err rval = CS_ERR_ARCH;
     switch( arch )
@@ -176,6 +177,7 @@ bool SourceView::Disassemble( uint64_t symAddr, const Worker& worker )
     size_t cnt = cs_disasm( handle, (const uint8_t*)code, len, symAddr, 0, &insn );
     if( cnt > 0 )
     {
+        if( insn[cnt-1].address - symAddr + insn[cnt-1].size < len ) m_disasmFail = insn[cnt-1].address - symAddr;
         int mLenMax = 0;
         m_asm.reserve( cnt );
         for( size_t i=0; i<cnt; i++ )
diff --git a/server/TracySourceView.hpp b/server/TracySourceView.hpp
index cb2edb21..f0f4e0a8 100644
--- a/server/TracySourceView.hpp
+++ b/server/TracySourceView.hpp
@@ -89,6 +89,7 @@ private:
     DecayValue<uint32_t> m_hoveredSource;
     int m_displayMode;
     uint32_t m_codeLen;
+    int32_t m_disasmFail;
     DecayValue<uint64_t> m_highlightAddr;
     bool m_asmRelative;
     bool m_asmShowSourceLocation;