[asan] Properly handle exceptions.

Differential Revision: https://reviews.llvm.org/D29457

llvm-svn: 293954

1 files changed, 32 insertions, 10 deletions

diff --git a/compiler-rt/lib/asan/asan_win.cc b/compiler-rt/lib/asan/asan_win.cc
index e728d300af9..a41620ed3ce 100644
--- a/compiler-rt/lib/asan/asan_win.cc
+++ b/compiler-rt/lib/asan/asan_win.cc
@@ -240,12 +240,25 @@ static LPTOP_LEVEL_EXCEPTION_FILTER default_seh_handler;
 static bool ShouldReportDeadlyException(unsigned code) {
   switch (code) {
     case EXCEPTION_ACCESS_VIOLATION:
+    case EXCEPTION_ARRAY_BOUNDS_EXCEEDED:
+    case EXCEPTION_STACK_OVERFLOW:
+    case EXCEPTION_DATATYPE_MISALIGNMENT:
     case EXCEPTION_IN_PAGE_ERROR:
       return common_flags()->handle_segv;
+    case EXCEPTION_ILLEGAL_INSTRUCTION:
+    case EXCEPTION_PRIV_INSTRUCTION:
     case EXCEPTION_BREAKPOINT:
-    case EXCEPTION_ILLEGAL_INSTRUCTION: {
       return common_flags()->handle_sigill;
-    }
+    case EXCEPTION_FLT_DENORMAL_OPERAND:
+    case EXCEPTION_FLT_DIVIDE_BY_ZERO:
+    case EXCEPTION_FLT_INEXACT_RESULT:
+    case EXCEPTION_FLT_INVALID_OPERATION:
+    case EXCEPTION_FLT_OVERFLOW:
+    case EXCEPTION_FLT_STACK_CHECK:
+    case EXCEPTION_FLT_UNDERFLOW:
+    case EXCEPTION_INT_DIVIDE_BY_ZERO:
+    case EXCEPTION_INT_OVERFLOW:
+      return common_flags()->handle_sigfpe;
   }
   return false;
 }
@@ -256,14 +269,23 @@ const char *DescribeSignalOrException(int signo) {
   // Get the string description of the exception if this is a known deadly
   // exception.
   switch (code) {
-    case EXCEPTION_ACCESS_VIOLATION:
-      return "access-violation";
-    case EXCEPTION_IN_PAGE_ERROR:
-      return "in-page-error";
-    case EXCEPTION_BREAKPOINT:
-      return "breakpoint";
-    case EXCEPTION_ILLEGAL_INSTRUCTION:
-      return "illegal-instruction";
+    case EXCEPTION_ACCESS_VIOLATION: return "access-violation";
+    case EXCEPTION_ARRAY_BOUNDS_EXCEEDED: return "array-bounds-exceeded";
+    case EXCEPTION_STACK_OVERFLOW: return "stack-overflow";
+    case EXCEPTION_DATATYPE_MISALIGNMENT: return "datatype-misalignment";
+    case EXCEPTION_IN_PAGE_ERROR: return "in-page-error";
+    case EXCEPTION_ILLEGAL_INSTRUCTION: return "illegal-instruction";
+    case EXCEPTION_PRIV_INSTRUCTION: return "priv-instruction";
+    case EXCEPTION_BREAKPOINT: return "breakpoint";
+    case EXCEPTION_FLT_DENORMAL_OPERAND: return "flt-denormal-operand";
+    case EXCEPTION_FLT_DIVIDE_BY_ZERO: return "flt-divide-by-zero";
+    case EXCEPTION_FLT_INEXACT_RESULT: return "flt-inexact-result";
+    case EXCEPTION_FLT_INVALID_OPERATION: return "flt-invalid-operation";
+    case EXCEPTION_FLT_OVERFLOW: return "flt-overflow";
+    case EXCEPTION_FLT_STACK_CHECK: return "flt-stack-check";
+    case EXCEPTION_FLT_UNDERFLOW: return "flt-underflow";
+    case EXCEPTION_INT_DIVIDE_BY_ZERO: return "int-divide-by-zero";
+    case EXCEPTION_INT_OVERFLOW: return "int-overflow";
   }
   return nullptr;
 }