diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/torture/builtin-noret-2.c')
-rw-r--r-- | gcc/testsuite/gcc.dg/torture/builtin-noret-2.c | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/torture/builtin-noret-2.c b/gcc/testsuite/gcc.dg/torture/builtin-noret-2.c new file mode 100644 index 000000000..1103e3d81 --- /dev/null +++ b/gcc/testsuite/gcc.dg/torture/builtin-noret-2.c @@ -0,0 +1,89 @@ +/* Test for builtin noreturn attributes when the visible declarations + are function-local. Modified from builtin-noret-1.c by Zack Weinberg + <zack@codesourcery.com>. */ +/* { dg-options "-multiply_defined suppress" { target powerpc-*-darwin* } } */ +/* { dg-do link } */ +/* { dg-require-weak "" } */ + +extern void tabort (void); +extern void texit (void); +extern void t_exit (void); +extern void t_Exit (void); + +extern void link_failure (void); + +int +main (void) +{ + volatile int i = 0; + extern void exit (int); + if (i) + tabort (); + if (i) + texit (); + if (i) + t_exit (); + if (i) + t_Exit (); + exit (0); +} + +void +tabort (void) +{ + extern void abort (void); + abort (); + link_failure (); +} + +void +texit (void) +{ + extern void exit (int); + exit (1); + link_failure (); +} + +void +t_exit (void) +{ + extern void _exit (int); + /* Some non-Unix libcs have _exit, and won't allow it to be re-defined, + so make it weak. */ +#pragma weak _exit + _exit (1); + link_failure (); +} + +/* Some non-Unix libcs might not have _exit. */ +/* Some non-Unix libcs have _exit, and won't allow it to be re-defined, + so make it weak. */ +#pragma weak _exit +void +_exit (int i) +{ + extern void abort (void); + abort (); +} + +void +t_Exit (void) +{ + extern void _Exit (int); + /* Some libcs have _Exit, and won't allow it to be re-defined, + so make it weak. */ +#pragma weak _Exit + _Exit (1); + link_failure (); +} + +/* Some libcs might not have _Exit. */ +/* Some libcs have _Exit, and won't allow it to be re-defined, + so make it weak. */ +#pragma weak _Exit +void +_Exit (int i) +{ + extern void abort (void); + abort (); +} |