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Nested function test in compiler-rt should not be run under Clang. 

llvm-svn: 85456
This commit is contained in:
Edward O'Callaghan 2009-10-29 00:27:08 +00:00
parent a8eceedb82
commit 07d6005bdc
1 changed files with 28 additions and 19 deletions
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47
compiler-rt/test/Unit/trampoline_setup_test.c
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@ -1,11 +1,12 @@
//===-- trampoline_setup_test.c - Test __trampoline_setup -----------------===// /* ===-- trampoline_setup_test.c - Test __trampoline_setup -----------------===
// *
// The LLVM Compiler Infrastructure * The LLVM Compiler Infrastructure
// *
// This file is distributed under the University of Illinois Open Source * This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details. * License. See LICENSE.TXT for details.
// *
//===----------------------------------------------------------------------===// * ===----------------------------------------------------------------------===
*/
#include <stdio.h> #include <stdio.h>
@ -13,11 +14,17 @@
#include <stdint.h> #include <stdint.h>
#include <sys/mman.h> #include <sys/mman.h>
// /*
// Tests nested functions * Tests nested functions
// The ppc compiler generates a call to __trampoline_setup * The ppc compiler generates a call to __trampoline_setup
// The i386 and x86_64 compilers generate a call to ___enable_execute_stack * The i386 and x86_64 compilers generate a call to ___enable_execute_stack
// */
/*
* Note that, nested functions are not ISO C and are not supported in Clang.
*/
#ifdef __gcc__ && !__clang__
typedef int (*nested_func_t)(int x); typedef int (*nested_func_t)(int x);
@ -25,18 +32,18 @@ nested_func_t proc;
int main() int main()
{ {
// some locals /* Some locals */
int c = 10; int c = 10;
int d = 7; int d = 7;
// define a nested function /* Define a nested function: */
int bar(int x) { return x*5 + c*d; }; int bar(int x) { return x*5 + c*d; };
// assign global to point to nested function /* Assign global to point to nested function
// (really points to trampoline) * (really points to trampoline). */
proc = bar; proc = bar;
// invoke nested function /* Invoke nested function: */
c = 4; c = 4;
if ( (*proc)(3) != 43 ) if ( (*proc)(3) != 43 )
return 1; return 1;
@ -44,6 +51,8 @@ int main()
if ( (*proc)(4) != 40 ) if ( (*proc)(4) != 40 )
return 1; return 1;
// success /* Success. */
return 0; return 0;
} }
#endif /* __clang__ */