[llvm-commits] CVS: llvm/tools/lli/JIT/Callback.cpp

Chris Lattner lattner at cs.uiuc.edu
Sun Jan 12 19:01:09 PST 2003


Changes in directory llvm/tools/lli/JIT:

Callback.cpp updated: 1.1 -> 1.2

---
Log message:

Bad segvs actually cause a segv now


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Diffs of the changes:

Index: llvm/tools/lli/JIT/Callback.cpp
diff -u llvm/tools/lli/JIT/Callback.cpp:1.1 llvm/tools/lli/JIT/Callback.cpp:1.2
--- llvm/tools/lli/JIT/Callback.cpp:1.1	Mon Dec 23 18:01:04 2002
+++ llvm/tools/lli/JIT/Callback.cpp	Sun Jan 12 19:00:02 2003
@@ -19,8 +19,15 @@
 #ifdef REG_EIP   /* this code does not compile on Sparc! */
   if (SI->si_code != SEGV_MAPERR || SI->si_addr != 0 ||
       ucp->uc_mcontext.gregs[REG_EIP] != 0) {
-    std::cerr << "Bad SEGV encountered!\n";
-    abort();
+    std::cerr << "Bad SEGV encountered EIP = 0x" << std::hex
+	      << ucp->uc_mcontext.gregs[REG_EIP] << " addr = "
+	      << SI->si_addr << "!\n";
+
+    struct sigaction SA;              // Restore old SEGV handler...
+    SA.sa_handler = SIG_DFL;
+    SA.sa_flags = SA_NOMASK;
+    sigaction(SIGSEGV, &SA, 0);
+    return;  // Should core dump now...
   }
 
   // The call instruction should have pushed the return value onto the stack...





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