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testsuite: Disable strub on AIX.

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AIX does not support stack scrubbing. Set strub as unsupported on AIX
and ensure that testcases check for strub support.

gcc/testsuite/ChangeLog:
	* c-c++-common/strub-unsupported-2.c: Require strub.
	* c-c++-common/strub-unsupported-3.c: Same.
	* c-c++-common/strub-unsupported.c: Same.
	* lib/target-supports.exp (check_effective_target_strub): Return 0
	for AIX.

Signed-off-by: David Edelsohn <dje.gcc@gmail.com>
This commit is contained in:
David Edelsohn 2023-12-26 11:34:11 -05:00
parent 87dfd70723
commit 9773ca5198
4 changed files with 7 additions and 0 deletions
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1
gcc/testsuite/c-c++-common/strub-unsupported-2.c
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@ -1,4 +1,5 @@
/* { dg-do compile } */
/* { dg-require-effective-target strub } */
/* Check that, when strub is not supported (so no dg-required-effective-target
strub above), we report when pointers to strub functions are called. This

1
gcc/testsuite/c-c++-common/strub-unsupported-3.c
View file

@ -1,4 +1,5 @@
/* { dg-do compile } */
/* { dg-require-effective-target strub } */
/* Check that, when strub is not supported (so no dg-required-effective-target
strub above), we report when strub functions that are not defined are

1
gcc/testsuite/c-c++-common/strub-unsupported.c
View file

@ -1,4 +1,5 @@
/* { dg-do compile } */
/* { dg-require-effective-target strub } */
/* Check that, when strub is not supported (so no dg-required-effective-target
strub above), we report when strub functions are defined, and when they're

4
gcc/testsuite/lib/target-supports.exp
View file

@ -1304,6 +1304,10 @@ proc check_stack_check_available { stack_kind } {
# Return 1 if the target supports stack scrubbing.
proc check_effective_target_strub {} {
# strub is not supported on AIX.
if { [istarget powerpc*-*-aix*] } {
return 0
}
return [check_no_compiler_messages strub assembly {
void __attribute__ ((__strub__)) fn (void) {}
} ""]