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[asan] Properly handle exceptions. 

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

llvm-svn: 293954
This commit is contained in:
Marcos Pividori 2017-02-02 23:01:46 +00:00
parent b88e87d4b2
commit 387210c6c8
1 changed files with 32 additions and 10 deletions
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42
compiler-rt/lib/asan/asan_win.cc
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@ -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;
}