From 6f290d8f9e9d7faac295cb51fc96884a18f4ded4 Mon Sep 17 00:00:00 2001 From: Daniel Dunbar Date: Thu, 21 May 2009 04:36:41 +0000 Subject: Initial KLEE checkin. - Lots more tweaks, documentation, and web page content is needed, but this should compile & work on OS X & Linux. git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@72205 91177308-0d34-0410-b5e6-96231b3b80d8 --- test/Feature/FunctionPointer.c | 36 ++++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 test/Feature/FunctionPointer.c (limited to 'test/Feature/FunctionPointer.c') diff --git a/test/Feature/FunctionPointer.c b/test/Feature/FunctionPointer.c new file mode 100644 index 00000000..e1ae1e37 --- /dev/null +++ b/test/Feature/FunctionPointer.c @@ -0,0 +1,36 @@ +// RUN: %llvmgcc %s -emit-llvm -g -c -o %t1.bc +// RUN: %klee --no-output --exit-on-error %t1.bc + +#include + +void foo(const char *msg) { printf("foo: %s\n", msg); } +void baz(const char *msg) { printf("baz: %s\n", msg); } + +void (*xx)(const char *) = foo; + +void bar(void (*fp)(const char *)) { fp("called via bar"); } + +int main(int argc, char **argv) { + void (*fp)(const char *) = foo; + + printf("going to call through fp\n"); + fp("called via fp"); + + printf("calling via pass through\n"); + bar(foo); + + fp = baz; + fp("called via fp"); + + xx("called via xx"); + +#if 0 + klee_make_symbolic(&fp, sizeof fp); + if(fp == baz) { + printf("fp = %p, baz = %p\n", fp, baz); + fp("calling via symbolic!"); + } +#endif + + return 0; +} -- cgit 1.4.1