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author | Cristian Cadar <c.cadar@imperial.ac.uk> | 2017-07-25 13:40:03 +0100 |
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committer | Dan Liew <delcypher@gmail.com> | 2017-07-29 12:54:14 +0100 |
commit | fa4d6690d0413b354afe155f9e3f67f7069a6891 (patch) | |
tree | 7bfdbeb90c68085be91bebf6b03aa51396afbd0c /test/Feature | |
parent | 1af37be2fb7b874620a1f748e715ba4e75029ca0 (diff) | |
download | klee-fa4d6690d0413b354afe155f9e3f67f7069a6891.tar.gz |
Added an optional KInstruction* argument to evalConstant and evalConstantExpr which allows us to print the location associated with the constant in any error messages. Added a test case for the unsupported features for taking the address of a label, which exercises the patch.
Diffstat (limited to 'test/Feature')
-rw-r--r-- | test/Feature/AddressOfLabels.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/test/Feature/AddressOfLabels.c b/test/Feature/AddressOfLabels.c new file mode 100644 index 00000000..84493fd8 --- /dev/null +++ b/test/Feature/AddressOfLabels.c @@ -0,0 +1,36 @@ +// RUN: %llvmgcc -emit-llvm -g -c %s -o %t.bc +// RUN: rm -rf %t.klee-out +// RUN: not %klee --output-dir=%t.klee-out %t.bc 2> %t.log +// RUN: FileCheck --input-file %t.log %s + +/* + This currently tests that KLEE clearly reports that it doesn't + support taking the address of the labels, in particular + blockaddress constants. + + The test would need to be changes once support for this feature is + added. +*/ + +#include <stdio.h> + +int main (int argc, char** argv) +{ + int i = 1; + // CHECK: Cannot handle constant 'i8* blockaddress + // CHECK: AddressOfLabels.c:[[@LINE+1]] + void * lptr = &&one; + + if (argc > 1) + lptr = &&two; + + goto *lptr; + + one: + printf("argc is 1\n"); + return 0; + + two: + printf("argc is >1\n"); + return 0; +} |